1/* 2 * Copyright (c) 2002-2008 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 * $Id: ah_internal.h,v 1.6 2011/03/07 11:25:42 cegger Exp $ 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#ifndef NBBY 31#define NBBY 8 /* number of bits/byte */ 32#endif 33 34#ifndef roundup 35#define roundup(x, y) ((((x)+((y)-1))/(y))*(y)) /* to any y */ 36#endif 37#ifndef howmany 38#define howmany(x, y) (((x)+((y)-1))/(y)) 39#endif 40 41#ifndef offsetof 42#define offsetof(type, field) ((size_t)(&((type *)0)->field)) 43#endif 44 45/* 46 * Remove const in a way that keeps the compiler happy. 47 * This works for gcc but may require other magic for 48 * other compilers (not sure where this should reside). 49 * Note that uintptr_t is C99. 50 */ 51#ifndef __DECONST 52#define __DECONST(type, var) ((type)(unsigned long)(const void *)(var)) 53#endif 54 55typedef struct { 56 uint16_t start; /* first register */ 57 uint16_t end; /* ending register or zero */ 58} HAL_REGRANGE; 59 60typedef struct { 61 uint32_t addr; /* register address/offset */ 62 uint32_t value; /* value to write */ 63} HAL_REGWRITE; 64 65/* 66 * Transmit power scale factor. 67 * 68 * NB: This is not public because we want to discourage the use of 69 * scaling; folks should use the tx power limit interface. 70 */ 71typedef enum { 72 HAL_TP_SCALE_MAX = 0, /* no scaling (default) */ 73 HAL_TP_SCALE_50 = 1, /* 50% of max (-3 dBm) */ 74 HAL_TP_SCALE_25 = 2, /* 25% of max (-6 dBm) */ 75 HAL_TP_SCALE_12 = 3, /* 12% of max (-9 dBm) */ 76 HAL_TP_SCALE_MIN = 4, /* min, but still on */ 77} HAL_TP_SCALE; 78 79typedef enum { 80 HAL_CAP_RADAR = 0, /* Radar capability */ 81 HAL_CAP_AR = 1, /* AR capability */ 82} HAL_PHYDIAG_CAPS; 83 84/* 85 * Each chip or class of chips registers to offer support. 86 */ 87struct ath_hal_chip { 88 const char *name; 89 const char *(*probe)(uint16_t vendorid, uint16_t devid); 90 struct ath_hal *(*attach)(uint16_t devid, HAL_SOFTC, 91 HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *error); 92}; 93#ifndef AH_CHIP 94#define AH_CHIP(_name, _probe, _attach) \ 95static struct ath_hal_chip _name##_chip = { \ 96 .name = #_name, \ 97 .probe = _probe, \ 98 .attach = _attach \ 99}; \ 100OS_DATA_SET(ah_chips, _name##_chip) 101#endif 102 103/* 104 * Each RF backend registers to offer support; this is mostly 105 * used by multi-chip 5212 solutions. Single-chip solutions 106 * have a fixed idea about which RF to use. 107 */ 108struct ath_hal_rf { 109 const char *name; 110 HAL_BOOL (*probe)(struct ath_hal *ah); 111 HAL_BOOL (*attach)(struct ath_hal *ah, HAL_STATUS *ecode); 112}; 113#ifndef AH_RF 114#define AH_RF(_name, _probe, _attach) \ 115static struct ath_hal_rf _name##_rf = { \ 116 .name = __STRING(_name), \ 117 .probe = _probe, \ 118 .attach = _attach \ 119}; \ 120OS_DATA_SET(ah_rfs, _name##_rf) 121#endif 122 123struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode); 124 125/* 126 * Internal form of a HAL_CHANNEL. Note that the structure 127 * must be defined such that you can cast references to a 128 * HAL_CHANNEL so don't shuffle the first two members. 129 */ 130typedef struct { 131 uint32_t channelFlags; 132 uint16_t channel; /* NB: must be first for casting */ 133 uint8_t privFlags; 134 int8_t maxRegTxPower; 135 int8_t maxTxPower; 136 int8_t minTxPower; /* as above... */ 137 138 HAL_BOOL bssSendHere; 139 uint8_t gainI; 140 HAL_BOOL iqCalValid; 141 uint8_t calValid; /* bitmask of cal types */ 142 int8_t iCoff; 143 int8_t qCoff; 144 int16_t rawNoiseFloor; 145 int16_t noiseFloorAdjust; 146 int8_t antennaMax; 147 uint32_t regDmnFlags; /* Flags for channel use in reg */ 148 uint32_t conformanceTestLimit; /* conformance test limit from reg domain */ 149 uint16_t mainSpur; /* cached spur value for this cahnnel */ 150} HAL_CHANNEL_INTERNAL; 151 152typedef struct { 153 uint32_t halChanSpreadSupport : 1, 154 halSleepAfterBeaconBroken : 1, 155 halCompressSupport : 1, 156 halBurstSupport : 1, 157 halFastFramesSupport : 1, 158 halChapTuningSupport : 1, 159 halTurboGSupport : 1, 160 halTurboPrimeSupport : 1, 161 halMicAesCcmSupport : 1, 162 halMicCkipSupport : 1, 163 halMicTkipSupport : 1, 164 halTkipMicTxRxKeySupport : 1, 165 halCipherAesCcmSupport : 1, 166 halCipherCkipSupport : 1, 167 halCipherTkipSupport : 1, 168 halPSPollBroken : 1, 169 halVEOLSupport : 1, 170 halBssIdMaskSupport : 1, 171 halMcastKeySrchSupport : 1, 172 halTsfAddSupport : 1, 173 halChanHalfRate : 1, 174 halChanQuarterRate : 1, 175 halHTSupport : 1, 176 halRfSilentSupport : 1, 177 halHwPhyCounterSupport : 1, 178 halWowSupport : 1, 179 halWowMatchPatternExact : 1, 180 halAutoSleepSupport : 1, 181 halFastCCSupport : 1, 182 halBtCoexSupport : 1; 183 uint32_t halRxStbcSupport : 1, 184 halTxStbcSupport : 1, 185 halGTTSupport : 1, 186 halCSTSupport : 1, 187 halRifsRxSupport : 1, 188 halRifsTxSupport : 1, 189 halExtChanDfsSupport : 1, 190 halForcePpmSupport : 1, 191 halEnhancedPmSupport : 1, 192 halMbssidAggrSupport : 1, 193 halBssidMatchSupport : 1; 194 uint32_t halWirelessModes; 195 uint16_t halTotalQueues; 196 uint16_t halKeyCacheSize; 197 uint16_t halLow5GhzChan, halHigh5GhzChan; 198 uint16_t halLow2GhzChan, halHigh2GhzChan; 199 int halTstampPrecision; 200 int halRtsAggrLimit; 201 uint8_t halTxChainMask; 202 uint8_t halRxChainMask; 203 uint8_t halNumGpioPins; 204 uint8_t halNumAntCfg2GHz; 205 uint8_t halNumAntCfg5GHz; 206 uint32_t halIntrMask; 207} HAL_CAPABILITIES; 208 209/* 210 * The ``private area'' follows immediately after the ``public area'' 211 * in the data structure returned by ath_hal_attach. Private data are 212 * used by device-independent code such as the regulatory domain support. 213 * In general, code within the HAL should never depend on data in the 214 * public area. Instead any public data needed internally should be 215 * shadowed here. 216 * 217 * When declaring a device-specific ath_hal data structure this structure 218 * is assumed to at the front; e.g. 219 * 220 * struct ath_hal_5212 { 221 * struct ath_hal_private ah_priv; 222 * ... 223 * }; 224 * 225 * It might be better to manage the method pointers in this structure 226 * using an indirect pointer to a read-only data structure but this would 227 * disallow class-style method overriding. 228 */ 229struct ath_hal_private { 230 struct ath_hal h; /* public area */ 231 232 /* NB: all methods go first to simplify initialization */ 233 HAL_BOOL (*ah_getChannelEdges)(struct ath_hal*, 234 uint16_t channelFlags, 235 uint16_t *lowChannel, uint16_t *highChannel); 236 u_int (*ah_getWirelessModes)(struct ath_hal*); 237 HAL_BOOL (*ah_eepromRead)(struct ath_hal *, u_int off, 238 uint16_t *data); 239 HAL_BOOL (*ah_eepromWrite)(struct ath_hal *, u_int off, 240 uint16_t data); 241 HAL_BOOL (*ah_gpioCfgOutput)(struct ath_hal *, 242 uint32_t gpio, HAL_GPIO_MUX_TYPE); 243 HAL_BOOL (*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio); 244 uint32_t (*ah_gpioGet)(struct ath_hal *, uint32_t gpio); 245 HAL_BOOL (*ah_gpioSet)(struct ath_hal *, 246 uint32_t gpio, uint32_t val); 247 void (*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t); 248 HAL_BOOL (*ah_getChipPowerLimits)(struct ath_hal *, 249 HAL_CHANNEL *, uint32_t); 250 int16_t (*ah_getNfAdjust)(struct ath_hal *, 251 const HAL_CHANNEL_INTERNAL*); 252 void (*ah_getNoiseFloor)(struct ath_hal *, 253 int16_t nfarray[]); 254 255 void *ah_eeprom; /* opaque EEPROM state */ 256 uint16_t ah_eeversion; /* EEPROM version */ 257 void (*ah_eepromDetach)(struct ath_hal *); 258 HAL_STATUS (*ah_eepromGet)(struct ath_hal *, int, void *); 259 HAL_BOOL (*ah_eepromSet)(struct ath_hal *, int, int); 260 uint16_t (*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL); 261 HAL_BOOL (*ah_eepromDiag)(struct ath_hal *, int request, 262 const void *args, uint32_t argsize, 263 void **result, uint32_t *resultsize); 264 265 /* 266 * Device revision information. 267 */ 268 uint16_t ah_devid; /* PCI device ID */ 269 uint16_t ah_subvendorid; /* PCI subvendor ID */ 270 uint32_t ah_macVersion; /* MAC version id */ 271 uint16_t ah_macRev; /* MAC revision */ 272 uint16_t ah_phyRev; /* PHY revision */ 273 uint16_t ah_analog5GhzRev; /* 2GHz radio revision */ 274 uint16_t ah_analog2GhzRev; /* 5GHz radio revision */ 275 uint8_t ah_ispcie; /* PCIE, special treatment */ 276 277 278 HAL_OPMODE ah_opmode; /* operating mode from reset */ 279 HAL_CAPABILITIES ah_caps; /* device capabilities */ 280 uint32_t ah_diagreg; /* user-specified AR_DIAG_SW */ 281 int16_t ah_powerLimit; /* tx power cap */ 282 uint16_t ah_maxPowerLevel; /* calculated max tx power */ 283 u_int ah_tpScale; /* tx power scale factor */ 284 uint32_t ah_11nCompat; /* 11n compat controls */ 285 286 /* 287 * State for regulatory domain handling. 288 */ 289 HAL_REG_DOMAIN ah_currentRD; /* Current regulatory domain */ 290 HAL_CTRY_CODE ah_countryCode; /* current country code */ 291 HAL_CHANNEL_INTERNAL ah_channels[256]; /* calculated channel list */ 292 u_int ah_nchan; /* valid channels in list */ 293 HAL_CHANNEL_INTERNAL *ah_curchan; /* current channel */ 294 295 uint8_t ah_coverageClass; /* coverage class */ 296 HAL_BOOL ah_regdomainUpdate; /* regdomain is updated? */ 297 /* 298 * RF Silent handling; setup according to the EEPROM. 299 */ 300 uint16_t ah_rfsilent; /* GPIO pin + polarity */ 301 HAL_BOOL ah_rfkillEnabled; /* enable/disable RfKill */ 302 /* 303 * Diagnostic support for discriminating HIUERR reports. 304 */ 305 uint32_t ah_fatalState[6]; /* AR_ISR+shadow regs */ 306 int ah_rxornIsFatal; /* how to treat HAL_INT_RXORN */ 307}; 308 309#define AH_PRIVATE(_ah) ((struct ath_hal_private *)(_ah)) 310 311#define ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \ 312 AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc) 313#define ath_hal_getWirelessModes(_ah) \ 314 AH_PRIVATE(_ah)->ah_getWirelessModes(_ah) 315#define ath_hal_eepromRead(_ah, _off, _data) \ 316 AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data) 317#define ath_hal_eepromWrite(_ah, _off, _data) \ 318 AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data) 319#define ath_hal_gpioCfgOutput(_ah, _gpio, _type) \ 320 AH_PRIVATE(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type) 321#define ath_hal_gpioCfgInput(_ah, _gpio) \ 322 AH_PRIVATE(_ah)->ah_gpioCfgInput(_ah, _gpio) 323#define ath_hal_gpioGet(_ah, _gpio) \ 324 AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio) 325#define ath_hal_gpioSet(_ah, _gpio, _val) \ 326 AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio, _val) 327#define ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \ 328 AH_PRIVATE(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel) 329#define ath_hal_getpowerlimits(_ah, _chans, _nchan) \ 330 AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chans, _nchan) 331#define ath_hal_getNfAdjust(_ah, _c) \ 332 AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c) 333#define ath_hal_getNoiseFloor(_ah, _nfArray) \ 334 AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray) 335#define ath_hal_configPCIE(_ah, _reset) \ 336 (_ah)->ah_configPCIE(_ah, _reset) 337#define ath_hal_disablePCIE(_ah) \ 338 (_ah)->ah_disablePCIE(_ah) 339#define ath_hal_setInterrupts(_ah, _mask) \ 340 (_ah)->ah_setInterrupts(_ah, _mask) 341 342#define ath_hal_eepromDetach(_ah) \ 343do { \ 344 if (AH_PRIVATE(_ah)->ah_eepromDetach != NULL) \ 345 AH_PRIVATE(_ah)->ah_eepromDetach(_ah); \ 346} while (/*CONSTCOND*/0) 347#define ath_hal_eepromGet(_ah, _param, _val) \ 348 AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val) 349#define ath_hal_eepromSet(_ah, _param, _val) \ 350 AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val) 351#define ath_hal_eepromGetFlag(_ah, _param) \ 352 (AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK) 353#define ath_hal_getSpurChan(_ah, _ix, _is2G) \ 354 AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G) 355#define ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \ 356 AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) 357 358#if !defined(_NET_IF_IEEE80211_H_) && !defined(_NET80211__IEEE80211_H_) 359/* 360 * Stuff that would naturally come from _ieee80211.h 361 */ 362#define IEEE80211_ADDR_LEN 6 363 364#define IEEE80211_WEP_KEYLEN 5 /* 40bit */ 365#define IEEE80211_WEP_IVLEN 3 /* 24bit */ 366#define IEEE80211_WEP_KIDLEN 1 /* 1 octet */ 367#define IEEE80211_WEP_CRCLEN 4 /* CRC-32 */ 368 369#define IEEE80211_CRC_LEN 4 370 371#define IEEE80211_MTU 1500 372#define IEEE80211_MAX_LEN (2300 + IEEE80211_CRC_LEN + \ 373 (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN)) 374 375enum { 376 IEEE80211_T_DS, /* direct sequence spread spectrum */ 377 IEEE80211_T_FH, /* frequency hopping */ 378 IEEE80211_T_OFDM, /* frequency division multiplexing */ 379 IEEE80211_T_TURBO, /* high rate DS */ 380 IEEE80211_T_HT, /* HT - full GI */ 381}; 382#define IEEE80211_T_CCK IEEE80211_T_DS /* more common nomenclatur */ 383#endif /* _NET_IF_IEEE80211_H_ */ 384 385/* NB: these are defined privately until XR support is announced */ 386enum { 387 ATHEROS_T_XR = IEEE80211_T_HT+1, /* extended range */ 388}; 389 390#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS 0x00000001 391 392#define INIT_AIFS 2 393#define INIT_CWMIN 15 394#define INIT_CWMIN_11B 31 395#define INIT_CWMAX 1023 396#define INIT_SH_RETRY 10 397#define INIT_LG_RETRY 10 398#define INIT_SSH_RETRY 32 399#define INIT_SLG_RETRY 32 400 401typedef struct { 402 uint32_t tqi_ver; /* HAL TXQ verson */ 403 HAL_TX_QUEUE tqi_type; /* hw queue type*/ 404 HAL_TX_QUEUE_SUBTYPE tqi_subtype; /* queue subtype, if applicable */ 405 HAL_TX_QUEUE_FLAGS tqi_qflags; /* queue flags */ 406 uint32_t tqi_priority; 407 uint32_t tqi_aifs; /* aifs */ 408 uint32_t tqi_cwmin; /* cwMin */ 409 uint32_t tqi_cwmax; /* cwMax */ 410 uint16_t tqi_shretry; /* frame short retry limit */ 411 uint16_t tqi_lgretry; /* frame long retry limit */ 412 uint32_t tqi_cbrPeriod; 413 uint32_t tqi_cbrOverflowLimit; 414 uint32_t tqi_burstTime; 415 uint32_t tqi_readyTime; 416 uint32_t tqi_physCompBuf; 417 uint32_t tqi_intFlags; /* flags for internal use */ 418} HAL_TX_QUEUE_INFO; 419 420extern HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah, 421 HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo); 422extern HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah, 423 HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi); 424 425typedef enum { 426 HAL_ANI_PRESENT, /* is ANI support present */ 427 HAL_ANI_NOISE_IMMUNITY_LEVEL, /* set level */ 428 HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION, /* enable/disable */ 429 HAL_ANI_CCK_WEAK_SIGNAL_THR, /* enable/disable */ 430 HAL_ANI_FIRSTEP_LEVEL, /* set level */ 431 HAL_ANI_SPUR_IMMUNITY_LEVEL, /* set level */ 432 HAL_ANI_MODE = 6, /* 0 => manual, 1 => auto (XXX do not change) */ 433 HAL_ANI_PHYERR_RESET, /* reset phy error stats */ 434} HAL_ANI_CMD; 435 436#define HAL_SPUR_VAL_MASK 0x3FFF 437#define HAL_SPUR_CHAN_WIDTH 87 438#define HAL_BIN_WIDTH_BASE_100HZ 3125 439#define HAL_BIN_WIDTH_TURBO_100HZ 6250 440#define HAL_MAX_BINS_ALLOWED 28 441 442/* 443 * A = 5GHZ|OFDM 444 * T = 5GHZ|OFDM|TURBO 445 * 446 * IS_CHAN_A(T) will return TRUE. This is probably 447 * not the default behavior we want. We should migrate to a better mask -- 448 * perhaps CHANNEL_ALL. 449 * 450 * For now, IS_CHAN_G() masks itself with CHANNEL_108G. 451 * 452 */ 453 454#define IS_CHAN_A(_c) (((_c)->channelFlags & CHANNEL_A) == CHANNEL_A) 455#define IS_CHAN_B(_c) (((_c)->channelFlags & CHANNEL_B) == CHANNEL_B) 456#define IS_CHAN_G(_c) (((_c)->channelFlags & (CHANNEL_108G|CHANNEL_G)) == CHANNEL_G) 457#define IS_CHAN_108G(_c)(((_c)->channelFlags & CHANNEL_108G) == CHANNEL_108G) 458#define IS_CHAN_T(_c) (((_c)->channelFlags & CHANNEL_T) == CHANNEL_T) 459#define IS_CHAN_PUREG(_c) \ 460 (((_c)->channelFlags & CHANNEL_PUREG) == CHANNEL_PUREG) 461 462#define IS_CHAN_TURBO(_c) (((_c)->channelFlags & CHANNEL_TURBO) != 0) 463#define IS_CHAN_CCK(_c) (((_c)->channelFlags & CHANNEL_CCK) != 0) 464#define IS_CHAN_OFDM(_c) (((_c)->channelFlags & CHANNEL_OFDM) != 0) 465#define IS_CHAN_5GHZ(_c) (((_c)->channelFlags & CHANNEL_5GHZ) != 0) 466#define IS_CHAN_2GHZ(_c) (((_c)->channelFlags & CHANNEL_2GHZ) != 0) 467#define IS_CHAN_PASSIVE(_c) (((_c)->channelFlags & CHANNEL_PASSIVE) != 0) 468#define IS_CHAN_HALF_RATE(_c) (((_c)->channelFlags & CHANNEL_HALF) != 0) 469#define IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0) 470 471#define IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990) 472 473#define CHANNEL_HT40 (CHANNEL_HT40PLUS | CHANNEL_HT40MINUS) 474#define CHANNEL_HT (CHANNEL_HT20 | CHANNEL_HT40) 475#define IS_CHAN_HT(_c) (((_c)->channelFlags & CHANNEL_HT) != 0) 476#define IS_CHAN_HT20(_c) (((_c)->channelFlags & CHANNEL_HT) == CHANNEL_HT20) 477#define IS_CHAN_HT40(_c) (((_c)->channelFlags & CHANNEL_HT40) != 0) 478 479/* 480 * Deduce if the host cpu has big- or litt-endian byte order. 481 */ 482static __inline__ int 483isBigEndian(void) 484{ 485 union { 486 int32_t i; 487 char c[4]; 488 } u; 489 u.i = 1; 490 return (u.c[0] == 0); 491} 492 493/* unalligned little endian access */ 494#define LE_READ_2(p) \ 495 ((uint16_t) \ 496 ((((const uint8_t *)(p))[0] ) | (((const uint8_t *)(p))[1]<< 8))) 497#define LE_READ_4(p) \ 498 ((uint32_t) \ 499 ((((const uint8_t *)(p))[0] ) | (((const uint8_t *)(p))[1]<< 8) |\ 500 (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24))) 501 502/* 503 * Register manipulation macros that expect bit field defines 504 * to follow the convention that an _S suffix is appended for 505 * a shift count, while the field mask has no suffix. 506 */ 507#define SM(_v, _f) (((_v) << _f##_S) & (_f)) 508#define MS(_v, _f) (((_v) & (_f)) >> _f##_S) 509#define OS_REG_RMW_FIELD(_a, _r, _f, _v) \ 510 OS_REG_WRITE(_a, _r, \ 511 (OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f))) 512#define OS_REG_SET_BIT(_a, _r, _f) \ 513 OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f)) 514#define OS_REG_CLR_BIT(_a, _r, _f) \ 515 OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f)) 516 517/* 518 * Regulatory domain support. 519 */ 520 521/* 522 * Return the max allowed antenna gain based on the current 523 * regulatory domain. 524 */ 525extern u_int ath_hal_getantennareduction(struct ath_hal *, 526 HAL_CHANNEL *, u_int twiceGain); 527/* 528 * Return the test group for the specific channel based on 529 * the current regulator domain. 530 */ 531extern u_int ath_hal_getctl(struct ath_hal *, HAL_CHANNEL *); 532/* 533 * Return whether or not a noise floor check is required 534 * based on the current regulatory domain for the specified 535 * channel. 536 */ 537extern HAL_BOOL ath_hal_getnfcheckrequired(struct ath_hal *, HAL_CHANNEL *); 538 539/* 540 * Map a public channel definition to the corresponding 541 * internal data structure. This implicitly specifies 542 * whether or not the specified channel is ok to use 543 * based on the current regulatory domain constraints. 544 */ 545extern HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *, 546 const HAL_CHANNEL *); 547 548/* system-configurable parameters */ 549extern int ath_hal_dma_beacon_response_time; /* in TU's */ 550extern int ath_hal_sw_beacon_response_time; /* in TU's */ 551extern int ath_hal_additional_swba_backoff; /* in TU's */ 552 553/* wait for the register contents to have the specified value */ 554extern HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg, 555 uint32_t mask, uint32_t val); 556 557/* return the first n bits in val reversed */ 558extern uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n); 559 560/* printf interfaces */ 561extern void ath_hal_printf(struct ath_hal *, const char*, ...) 562 __printflike(2,3); 563extern void ath_hal_vprintf(struct ath_hal *, const char*, va_list) 564 __printflike(2, 0); 565extern const char* ath_hal_ether_sprintf(const uint8_t *mac); 566 567/* allocate and free memory */ 568extern void *ath_hal_malloc(size_t); 569extern void ath_hal_free(void *); 570 571/* common debugging interfaces */ 572#ifdef AH_DEBUG 573#include "ah_debug.h" 574extern int ath_hal_debug; 575extern void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...) 576 __printflike(3,4); 577#else 578#define HALDEBUG(_ah, __m, _fmt, ...) 579#endif /* AH_DEBUG */ 580 581/* 582 * Register logging definitions shared with ardecode. 583 */ 584#include "ah_decode.h" 585 586/* 587 * Common assertion interface. Note: it is a bad idea to generate 588 * an assertion failure for any recoverable event. Instead catch 589 * the violation and, if possible, fix it up or recover from it; either 590 * with an error return value or a diagnostic messages. System software 591 * does not panic unless the situation is hopeless. 592 */ 593#ifdef AH_ASSERT 594extern void ath_hal_assert_failed(const char* filename, 595 int lineno, const char* msg); 596 597#define HALASSERT(_x) do { \ 598 if (!(_x)) { \ 599 ath_hal_assert_failed(__FILE__, __LINE__, #_x); \ 600 } \ 601} while (0) 602#else 603#define HALASSERT(_x) 604#endif /* AH_ASSERT */ 605 606/* 607 * Return the h/w frequency for a channel. This may be 608 * different from ic_freq if this is a GSM device that 609 * takes 2.4GHz frequencies and down-converts them. 610 */ 611static OS_INLINE uint16_t 612ath_hal_gethwchannel(struct ath_hal *ah, const HAL_CHANNEL_INTERNAL *c) 613{ 614 return ath_hal_checkchannel(ah, (const HAL_CHANNEL *)c)->channel; 615} 616 617/* 618 * Convert between microseconds and core system clocks. 619 */ 620extern u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs); 621extern u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks); 622 623/* 624 * Generic get/set capability support. Each chip overrides 625 * this routine to support chip-specific capabilities. 626 */ 627extern HAL_STATUS ath_hal_getcapability(struct ath_hal *ah, 628 HAL_CAPABILITY_TYPE type, uint32_t capability, 629 uint32_t *result); 630extern HAL_BOOL ath_hal_setcapability(struct ath_hal *ah, 631 HAL_CAPABILITY_TYPE type, uint32_t capability, 632 uint32_t setting, HAL_STATUS *status); 633 634/* 635 * Diagnostic interface. This is an open-ended interface that 636 * is opaque to applications. Diagnostic programs use this to 637 * retrieve internal data structures, etc. There is no guarantee 638 * that calling conventions for calls other than HAL_DIAG_REVS 639 * are stable between HAL releases; a diagnostic application must 640 * use the HAL revision information to deal with ABI/API differences. 641 * 642 * NB: do not renumber these, certain codes are publicly used. 643 */ 644enum { 645 HAL_DIAG_REVS = 0, /* MAC/PHY/Radio revs */ 646 HAL_DIAG_EEPROM = 1, /* EEPROM contents */ 647 HAL_DIAG_EEPROM_EXP_11A = 2, /* EEPROM 5112 power exp for 11a */ 648 HAL_DIAG_EEPROM_EXP_11B = 3, /* EEPROM 5112 power exp for 11b */ 649 HAL_DIAG_EEPROM_EXP_11G = 4, /* EEPROM 5112 power exp for 11g */ 650 HAL_DIAG_ANI_CURRENT = 5, /* ANI current channel state */ 651 HAL_DIAG_ANI_OFDM = 6, /* ANI OFDM timing error stats */ 652 HAL_DIAG_ANI_CCK = 7, /* ANI CCK timing error stats */ 653 HAL_DIAG_ANI_STATS = 8, /* ANI statistics */ 654 HAL_DIAG_RFGAIN = 9, /* RfGain GAIN_VALUES */ 655 HAL_DIAG_RFGAIN_CURSTEP = 10, /* RfGain GAIN_OPTIMIZATION_STEP */ 656 HAL_DIAG_PCDAC = 11, /* PCDAC table */ 657 HAL_DIAG_TXRATES = 12, /* Transmit rate table */ 658 HAL_DIAG_REGS = 13, /* Registers */ 659 HAL_DIAG_ANI_CMD = 14, /* ANI issue command (XXX do not change!) */ 660 HAL_DIAG_SETKEY = 15, /* Set keycache backdoor */ 661 HAL_DIAG_RESETKEY = 16, /* Reset keycache backdoor */ 662 HAL_DIAG_EEREAD = 17, /* Read EEPROM word */ 663 HAL_DIAG_EEWRITE = 18, /* Write EEPROM word */ 664 /* 19 was HAL_DIAG_TXCONT, 20-23 were for radar */ 665 HAL_DIAG_REGREAD = 24, /* Reg reads */ 666 HAL_DIAG_REGWRITE = 25, /* Reg writes */ 667 HAL_DIAG_GET_REGBASE = 26, /* Get register base */ 668 HAL_DIAG_RDWRITE = 27, /* Write regulatory domain */ 669 HAL_DIAG_RDREAD = 28, /* Get regulatory domain */ 670 HAL_DIAG_FATALERR = 29, /* Read cached interrupt state */ 671 HAL_DIAG_11NCOMPAT = 30, /* 11n compatibility tweaks */ 672 HAL_DIAG_ANI_PARAMS = 31, /* ANI noise immunity parameters */ 673 HAL_DIAG_CHECK_HANGS = 32, /* check h/w hangs */ 674}; 675 676enum { 677 HAL_BB_HANG_DFS = 0x0001, 678 HAL_BB_HANG_RIFS = 0x0002, 679 HAL_BB_HANG_RX_CLEAR = 0x0004, 680 HAL_BB_HANG_UNKNOWN = 0x0080, 681 682 HAL_MAC_HANG_SIG1 = 0x0100, 683 HAL_MAC_HANG_SIG2 = 0x0200, 684 HAL_MAC_HANG_UNKNOWN = 0x8000, 685 686 HAL_BB_HANGS = HAL_BB_HANG_DFS 687 | HAL_BB_HANG_RIFS 688 | HAL_BB_HANG_RX_CLEAR 689 | HAL_BB_HANG_UNKNOWN, 690 HAL_MAC_HANGS = HAL_MAC_HANG_SIG1 691 | HAL_MAC_HANG_SIG2 692 | HAL_MAC_HANG_UNKNOWN, 693}; 694 695/* 696 * Device revision information. 697 */ 698typedef struct { 699 uint16_t ah_devid; /* PCI device ID */ 700 uint16_t ah_subvendorid; /* PCI subvendor ID */ 701 uint32_t ah_macVersion; /* MAC version id */ 702 uint16_t ah_macRev; /* MAC revision */ 703 uint16_t ah_phyRev; /* PHY revision */ 704 uint16_t ah_analog5GhzRev; /* 2GHz radio revision */ 705 uint16_t ah_analog2GhzRev; /* 5GHz radio revision */ 706} HAL_REVS; 707 708/* 709 * Argument payload for HAL_DIAG_SETKEY. 710 */ 711typedef struct { 712 HAL_KEYVAL dk_keyval; 713 uint16_t dk_keyix; /* key index */ 714 uint8_t dk_mac[IEEE80211_ADDR_LEN]; 715 int dk_xor; /* XOR key data */ 716} HAL_DIAG_KEYVAL; 717 718/* 719 * Argument payload for HAL_DIAG_EEWRITE. 720 */ 721typedef struct { 722 uint16_t ee_off; /* eeprom offset */ 723 uint16_t ee_data; /* write data */ 724} HAL_DIAG_EEVAL; 725 726 727typedef struct { 728 u_int offset; /* reg offset */ 729 uint32_t val; /* reg value */ 730} HAL_DIAG_REGVAL; 731 732/* 733 * 11n compatibility tweaks. 734 */ 735#define HAL_DIAG_11N_SERVICES 0x00000003 736#define HAL_DIAG_11N_SERVICES_S 0 737#define HAL_DIAG_11N_TXSTOMP 0x0000000c 738#define HAL_DIAG_11N_TXSTOMP_S 2 739 740typedef struct { 741 int maxNoiseImmunityLevel; /* [0..4] */ 742 int totalSizeDesired[5]; 743 int coarseHigh[5]; 744 int coarseLow[5]; 745 int firpwr[5]; 746 747 int maxSpurImmunityLevel; /* [0..7] */ 748 int cycPwrThr1[8]; 749 750 int maxFirstepLevel; /* [0..2] */ 751 int firstep[3]; 752 753 uint32_t ofdmTrigHigh; 754 uint32_t ofdmTrigLow; 755 int32_t cckTrigHigh; 756 int32_t cckTrigLow; 757 int32_t rssiThrLow; 758 int32_t rssiThrHigh; 759 760 int period; /* update listen period */ 761} HAL_ANI_PARAMS; 762 763extern HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request, 764 const void *args, uint32_t argsize, 765 void **result, uint32_t *resultsize); 766 767/* 768 * Setup a h/w rate table for use. 769 */ 770extern void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt); 771 772/* 773 * Common routine for implementing getChanNoise api. 774 */ 775extern int16_t ath_hal_getChanNoise(struct ath_hal *ah, HAL_CHANNEL *chan); 776 777/* 778 * Initialization support. 779 */ 780typedef struct { 781 const uint32_t *data; 782 int rows, cols; 783} HAL_INI_ARRAY; 784 785#define HAL_INI_INIT(_ia, _data, _cols) do { \ 786 (_ia)->data = (const uint32_t *)(_data); \ 787 (_ia)->rows = sizeof(_data) / sizeof((_data)[0]); \ 788 (_ia)->cols = (_cols); \ 789} while (0) 790#define HAL_INI_VAL(_ia, _r, _c) \ 791 ((_ia)->data[((_r)*(_ia)->cols) + (_c)]) 792 793/* 794 * OS_DELAY() does a PIO READ on the PCI bus which allows 795 * other cards' DMA reads to complete in the middle of our reset. 796 */ 797#define DMA_YIELD(x) do { \ 798 if ((++(x) % 64) == 0) \ 799 OS_DELAY(1); \ 800} while (0) 801 802#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do { \ 803 int r; \ 804 for (r = 0; r < N(regArray); r++) { \ 805 OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]); \ 806 DMA_YIELD(regWr); \ 807 } \ 808} while (0) 809 810#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do { \ 811 int r; \ 812 for (r = 0; r < N(regArray); r++) { \ 813 OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]); \ 814 DMA_YIELD(regWr); \ 815 } \ 816} while (0) 817 818extern int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia, 819 int col, int regWr); 820extern void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia, 821 int col); 822extern int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia, 823 const uint32_t data[], int regWr); 824 825#define WLAN_CTRL_FRAME_SIZE (2+2+6+4) /* ACK+FCS */ 826#endif /* _ATH_AH_INTERAL_H_ */ 827