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ah_internal.h revision 1.5
      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 1.5 2011/02/20 11:21:02 jmcneill 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 
     55 typedef struct {
     56 	uint16_t	start;		/* first register */
     57 	uint16_t	end;		/* ending register or zero */
     58 } HAL_REGRANGE;
     59 
     60 /*
     61  * Transmit power scale factor.
     62  *
     63  * NB: This is not public because we want to discourage the use of
     64  *     scaling; folks should use the tx power limit interface.
     65  */
     66 typedef enum {
     67 	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
     68 	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
     69 	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
     70 	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
     71 	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
     72 } HAL_TP_SCALE;
     73 
     74 typedef enum {
     75  	HAL_CAP_RADAR		= 0,		/* Radar capability */
     76  	HAL_CAP_AR		= 1,		/* AR capability */
     77 } HAL_PHYDIAG_CAPS;
     78 
     79 /*
     80  * Each chip or class of chips registers to offer support.
     81  */
     82 struct ath_hal_chip {
     83 	const char	*name;
     84 	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
     85 	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
     86 			    HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *error);
     87 };
     88 #ifndef AH_CHIP
     89 #define	AH_CHIP(_name, _probe, _attach)				\
     90 static struct ath_hal_chip name##_chip = {			\
     91 	.name		= #_name,				\
     92 	.probe		= _probe,				\
     93 	.attach		= _attach				\
     94 };								\
     95 OS_DATA_SET(ah_chips, name##_chip)
     96 #endif
     97 
     98 /*
     99  * Each RF backend registers to offer support; this is mostly
    100  * used by multi-chip 5212 solutions.  Single-chip solutions
    101  * have a fixed idea about which RF to use.
    102  */
    103 struct ath_hal_rf {
    104 	const char	*name;
    105 	HAL_BOOL	(*probe)(struct ath_hal *ah);
    106 	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
    107 };
    108 #ifndef AH_RF
    109 #define	AH_RF(_name, _probe, _attach)				\
    110 static struct ath_hal_rf _name##_rf = {				\
    111 	.name		= __STRING(_name),			\
    112 	.probe		= _probe,				\
    113 	.attach		= _attach				\
    114 };								\
    115 OS_DATA_SET(ah_rfs, _name##_rf)
    116 #endif
    117 
    118 struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
    119 
    120 /*
    121  * Internal form of a HAL_CHANNEL.  Note that the structure
    122  * must be defined such that you can cast references to a
    123  * HAL_CHANNEL so don't shuffle the first two members.
    124  */
    125 typedef struct {
    126 	uint32_t	channelFlags;
    127 	uint16_t	channel;	/* NB: must be first for casting */
    128 	uint8_t		privFlags;
    129 	int8_t		maxRegTxPower;
    130 	int8_t		maxTxPower;
    131 	int8_t		minTxPower;	/* as above... */
    132 
    133 	HAL_BOOL	bssSendHere;
    134 	uint8_t		gainI;
    135 	HAL_BOOL	iqCalValid;
    136 	uint8_t		calValid;		/* bitmask of cal types */
    137 	int8_t		iCoff;
    138 	int8_t		qCoff;
    139 	int16_t		rawNoiseFloor;
    140 	int16_t		noiseFloorAdjust;
    141 	int8_t		antennaMax;
    142 	uint32_t	regDmnFlags;		/* Flags for channel use in reg */
    143 	uint32_t	conformanceTestLimit;	/* conformance test limit from reg domain */
    144 	uint16_t	mainSpur;		/* cached spur value for this cahnnel */
    145 } HAL_CHANNEL_INTERNAL;
    146 
    147 typedef struct {
    148 	uint32_t	halChanSpreadSupport 		: 1,
    149 			halSleepAfterBeaconBroken	: 1,
    150 			halCompressSupport		: 1,
    151 			halBurstSupport			: 1,
    152 			halFastFramesSupport		: 1,
    153 			halChapTuningSupport		: 1,
    154 			halTurboGSupport		: 1,
    155 			halTurboPrimeSupport		: 1,
    156 			halMicAesCcmSupport		: 1,
    157 			halMicCkipSupport		: 1,
    158 			halMicTkipSupport		: 1,
    159 			halTkipMicTxRxKeySupport	: 1,
    160 			halCipherAesCcmSupport		: 1,
    161 			halCipherCkipSupport		: 1,
    162 			halCipherTkipSupport		: 1,
    163 			halPSPollBroken			: 1,
    164 			halVEOLSupport			: 1,
    165 			halBssIdMaskSupport		: 1,
    166 			halMcastKeySrchSupport		: 1,
    167 			halTsfAddSupport		: 1,
    168 			halChanHalfRate			: 1,
    169 			halChanQuarterRate		: 1,
    170 			halHTSupport			: 1,
    171 			halRfSilentSupport		: 1,
    172 			halHwPhyCounterSupport		: 1,
    173 			halWowSupport			: 1,
    174 			halWowMatchPatternExact		: 1,
    175 			halAutoSleepSupport		: 1,
    176 			halFastCCSupport		: 1,
    177 			halBtCoexSupport		: 1;
    178 	uint32_t	halRxStbcSupport		: 1,
    179 			halTxStbcSupport		: 1,
    180 			halGTTSupport			: 1,
    181 			halCSTSupport			: 1,
    182 			halRifsRxSupport		: 1,
    183 			halRifsTxSupport		: 1,
    184 			halExtChanDfsSupport		: 1,
    185 			halForcePpmSupport		: 1,
    186 			halEnhancedPmSupport		: 1,
    187 			halMbssidAggrSupport		: 1;
    188 	uint32_t	halWirelessModes;
    189 	uint16_t	halTotalQueues;
    190 	uint16_t	halKeyCacheSize;
    191 	uint16_t	halLow5GhzChan, halHigh5GhzChan;
    192 	uint16_t	halLow2GhzChan, halHigh2GhzChan;
    193 	int		halTstampPrecision;
    194 	int		halRtsAggrLimit;
    195 	uint8_t		halTxChainMask;
    196 	uint8_t		halRxChainMask;
    197 	uint8_t		halNumGpioPins;
    198 	uint8_t		halNumAntCfg2GHz;
    199 	uint8_t		halNumAntCfg5GHz;
    200 } HAL_CAPABILITIES;
    201 
    202 /*
    203  * The ``private area'' follows immediately after the ``public area''
    204  * in the data structure returned by ath_hal_attach.  Private data are
    205  * used by device-independent code such as the regulatory domain support.
    206  * In general, code within the HAL should never depend on data in the
    207  * public area.  Instead any public data needed internally should be
    208  * shadowed here.
    209  *
    210  * When declaring a device-specific ath_hal data structure this structure
    211  * is assumed to at the front; e.g.
    212  *
    213  *	struct ath_hal_5212 {
    214  *		struct ath_hal_private	ah_priv;
    215  *		...
    216  *	};
    217  *
    218  * It might be better to manage the method pointers in this structure
    219  * using an indirect pointer to a read-only data structure but this would
    220  * disallow class-style method overriding.
    221  */
    222 struct ath_hal_private {
    223 	struct ath_hal	h;			/* public area */
    224 
    225 	/* NB: all methods go first to simplify initialization */
    226 	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
    227 				uint16_t channelFlags,
    228 				uint16_t *lowChannel, uint16_t *highChannel);
    229 	u_int		(*ah_getWirelessModes)(struct ath_hal*);
    230 	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
    231 				uint16_t *data);
    232 	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
    233 				uint16_t data);
    234 	HAL_BOOL	(*ah_gpioCfgOutput)(struct ath_hal *, uint32_t gpio);
    235 	HAL_BOOL	(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
    236 	uint32_t	(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
    237 	HAL_BOOL	(*ah_gpioSet)(struct ath_hal *,
    238 				uint32_t gpio, uint32_t val);
    239 	void		(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
    240 	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
    241 				HAL_CHANNEL *, uint32_t);
    242 	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
    243 				const HAL_CHANNEL_INTERNAL*);
    244 	void		(*ah_getNoiseFloor)(struct ath_hal *,
    245 				int16_t nfarray[]);
    246 
    247 	void		*ah_eeprom;		/* opaque EEPROM state */
    248 	uint16_t	ah_eeversion;		/* EEPROM version */
    249 	void		(*ah_eepromDetach)(struct ath_hal *);
    250 	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
    251 	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
    252 	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
    253 	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
    254 			    const void *args, uint32_t argsize,
    255 			    void **result, uint32_t *resultsize);
    256 
    257 	/*
    258 	 * Device revision information.
    259 	 */
    260 	uint16_t	ah_devid;		/* PCI device ID */
    261 	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
    262 	uint32_t	ah_macVersion;		/* MAC version id */
    263 	uint16_t	ah_macRev;		/* MAC revision */
    264 	uint16_t	ah_phyRev;		/* PHY revision */
    265 	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
    266 	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
    267 	uint8_t		ah_ispcie;		/* PCIE, special treatment */
    268 
    269 
    270 	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
    271 	HAL_CAPABILITIES ah_caps;		/* device capabilities */
    272 	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
    273 	int16_t		ah_powerLimit;		/* tx power cap */
    274 	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
    275 	u_int		ah_tpScale;		/* tx power scale factor */
    276 	uint32_t	ah_11nCompat;		/* 11n compat controls */
    277 
    278 	/*
    279 	 * State for regulatory domain handling.
    280 	 */
    281 	HAL_REG_DOMAIN	ah_currentRD;		/* Current regulatory domain */
    282 	HAL_CTRY_CODE	ah_countryCode;		/* current country code */
    283 	HAL_CHANNEL_INTERNAL ah_channels[256];	/* calculated channel list */
    284 	u_int		ah_nchan;		/* valid channels in list */
    285 	HAL_CHANNEL_INTERNAL *ah_curchan;	/* current channel */
    286 
    287 	uint8_t    	ah_coverageClass;   	/* coverage class */
    288 	HAL_BOOL    	ah_regdomainUpdate;     /* regdomain is updated? */
    289 	/*
    290 	 * RF Silent handling; setup according to the EEPROM.
    291 	 */
    292 	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
    293 	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
    294 	/*
    295 	 * Diagnostic support for discriminating HIUERR reports.
    296 	 */
    297 	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
    298 	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
    299 };
    300 
    301 #define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
    302 
    303 #define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
    304 	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
    305 #define	ath_hal_getWirelessModes(_ah) \
    306 	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
    307 #define	ath_hal_eepromRead(_ah, _off, _data) \
    308 	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
    309 #define	ath_hal_eepromWrite(_ah, _off, _data) \
    310 	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
    311 #define	ath_hal_gpioCfgOutput(_ah, _gpio) \
    312 	AH_PRIVATE(_ah)->ah_gpioCfgOutput(_ah, _gpio)
    313 #define	ath_hal_gpioCfgInput(_ah, _gpio) \
    314 	AH_PRIVATE(_ah)->ah_gpioCfgInput(_ah, _gpio)
    315 #define	ath_hal_gpioGet(_ah, _gpio) \
    316 	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio)
    317 #define	ath_hal_gpioSet(_ah, _gpio, _val) \
    318 	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio, _val)
    319 #define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
    320 	AH_PRIVATE(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
    321 #define	ath_hal_getpowerlimits(_ah, _chans, _nchan) \
    322 	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chans, _nchan)
    323 #define ath_hal_getNfAdjust(_ah, _c) \
    324 	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
    325 #define	ath_hal_getNoiseFloor(_ah, _nfArray) \
    326 	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
    327 #define	ath_hal_configPCIE(_ah, _reset) \
    328 	(_ah)->ah_configPCIE(_ah, _reset)
    329 #define	ath_hal_disablePCIE(_ah) \
    330 	(_ah)->ah_disablePCIE(_ah)
    331 
    332 #define	ath_hal_eepromDetach(_ah)			\
    333 do {							\
    334 	if (AH_PRIVATE(_ah)->ah_eepromDetach != NULL)	\
    335 		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);	\
    336 } while (/*CONSTCOND*/0)
    337 #define	ath_hal_eepromGet(_ah, _param, _val) \
    338 	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
    339 #define	ath_hal_eepromSet(_ah, _param, _val) \
    340 	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
    341 #define	ath_hal_eepromGetFlag(_ah, _param) \
    342 	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
    343 #define ath_hal_getSpurChan(_ah, _ix, _is2G) \
    344 	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
    345 #define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
    346 	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
    347 
    348 #if !defined(_NET_IF_IEEE80211_H_) && !defined(_NET80211__IEEE80211_H_)
    349 /*
    350  * Stuff that would naturally come from _ieee80211.h
    351  */
    352 #define	IEEE80211_ADDR_LEN		6
    353 
    354 #define	IEEE80211_WEP_KEYLEN			5	/* 40bit */
    355 #define	IEEE80211_WEP_IVLEN			3	/* 24bit */
    356 #define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
    357 #define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
    358 
    359 #define	IEEE80211_CRC_LEN			4
    360 
    361 #define	IEEE80211_MTU				1500
    362 #define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
    363     (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
    364 
    365 enum {
    366 	IEEE80211_T_DS,			/* direct sequence spread spectrum */
    367 	IEEE80211_T_FH,			/* frequency hopping */
    368 	IEEE80211_T_OFDM,		/* frequency division multiplexing */
    369 	IEEE80211_T_TURBO,		/* high rate DS */
    370 	IEEE80211_T_HT,			/* HT - full GI */
    371 };
    372 #define	IEEE80211_T_CCK	IEEE80211_T_DS	/* more common nomenclatur */
    373 #endif /* _NET_IF_IEEE80211_H_ */
    374 
    375 /* NB: these are defined privately until XR support is announced */
    376 enum {
    377 	ATHEROS_T_XR	= IEEE80211_T_HT+1,	/* extended range */
    378 };
    379 
    380 #define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
    381 
    382 #define INIT_AIFS		2
    383 #define INIT_CWMIN		15
    384 #define INIT_CWMIN_11B		31
    385 #define INIT_CWMAX		1023
    386 #define INIT_SH_RETRY		10
    387 #define INIT_LG_RETRY		10
    388 #define INIT_SSH_RETRY		32
    389 #define INIT_SLG_RETRY		32
    390 
    391 typedef struct {
    392 	uint32_t	tqi_ver;		/* HAL TXQ verson */
    393 	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
    394 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
    395 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
    396 	uint32_t	tqi_priority;
    397 	uint32_t	tqi_aifs;		/* aifs */
    398 	uint32_t	tqi_cwmin;		/* cwMin */
    399 	uint32_t	tqi_cwmax;		/* cwMax */
    400 	uint16_t	tqi_shretry;		/* frame short retry limit */
    401 	uint16_t	tqi_lgretry;		/* frame long retry limit */
    402 	uint32_t	tqi_cbrPeriod;
    403 	uint32_t	tqi_cbrOverflowLimit;
    404 	uint32_t	tqi_burstTime;
    405 	uint32_t	tqi_readyTime;
    406 	uint32_t	tqi_physCompBuf;
    407 	uint32_t	tqi_intFlags;		/* flags for internal use */
    408 } HAL_TX_QUEUE_INFO;
    409 
    410 extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
    411 		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
    412 extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
    413 		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
    414 
    415 typedef enum {
    416 	HAL_ANI_PRESENT,			/* is ANI support present */
    417 	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
    418 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
    419 	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
    420 	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
    421 	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
    422 	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
    423 	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
    424 } HAL_ANI_CMD;
    425 
    426 #define	HAL_SPUR_VAL_MASK		0x3FFF
    427 #define	HAL_SPUR_CHAN_WIDTH		87
    428 #define	HAL_BIN_WIDTH_BASE_100HZ	3125
    429 #define	HAL_BIN_WIDTH_TURBO_100HZ	6250
    430 #define	HAL_MAX_BINS_ALLOWED		28
    431 
    432 /*
    433  * A    = 5GHZ|OFDM
    434  * T    = 5GHZ|OFDM|TURBO
    435  *
    436  * IS_CHAN_A(T) will return TRUE.  This is probably
    437  * not the default behavior we want.  We should migrate to a better mask --
    438  * perhaps CHANNEL_ALL.
    439  *
    440  * For now, IS_CHAN_G() masks itself with CHANNEL_108G.
    441  *
    442  */
    443 
    444 #define	IS_CHAN_A(_c)	(((_c)->channelFlags & CHANNEL_A) == CHANNEL_A)
    445 #define	IS_CHAN_B(_c)	(((_c)->channelFlags & CHANNEL_B) == CHANNEL_B)
    446 #define	IS_CHAN_G(_c)	(((_c)->channelFlags & (CHANNEL_108G|CHANNEL_G)) == CHANNEL_G)
    447 #define	IS_CHAN_108G(_c)(((_c)->channelFlags & CHANNEL_108G) == CHANNEL_108G)
    448 #define	IS_CHAN_T(_c)	(((_c)->channelFlags & CHANNEL_T) == CHANNEL_T)
    449 #define	IS_CHAN_PUREG(_c) \
    450 	(((_c)->channelFlags & CHANNEL_PUREG) == CHANNEL_PUREG)
    451 
    452 #define	IS_CHAN_TURBO(_c)	(((_c)->channelFlags & CHANNEL_TURBO) != 0)
    453 #define	IS_CHAN_CCK(_c)		(((_c)->channelFlags & CHANNEL_CCK) != 0)
    454 #define	IS_CHAN_OFDM(_c)	(((_c)->channelFlags & CHANNEL_OFDM) != 0)
    455 #define	IS_CHAN_5GHZ(_c)	(((_c)->channelFlags & CHANNEL_5GHZ) != 0)
    456 #define	IS_CHAN_2GHZ(_c)	(((_c)->channelFlags & CHANNEL_2GHZ) != 0)
    457 #define	IS_CHAN_PASSIVE(_c)	(((_c)->channelFlags & CHANNEL_PASSIVE) != 0)
    458 #define	IS_CHAN_HALF_RATE(_c)	(((_c)->channelFlags & CHANNEL_HALF) != 0)
    459 #define	IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
    460 
    461 #define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
    462 
    463 #define	CHANNEL_HT40		(CHANNEL_HT40PLUS | CHANNEL_HT40MINUS)
    464 #define	CHANNEL_HT		(CHANNEL_HT20 | CHANNEL_HT40)
    465 #define	IS_CHAN_HT(_c)		(((_c)->channelFlags & CHANNEL_HT) != 0)
    466 #define	IS_CHAN_HT20(_c)	(((_c)->channelFlags & CHANNEL_HT) == CHANNEL_HT20)
    467 #define	IS_CHAN_HT40(_c)	(((_c)->channelFlags & CHANNEL_HT40) != 0)
    468 
    469 /*
    470  * Deduce if the host cpu has big- or litt-endian byte order.
    471  */
    472 static __inline__ int
    473 isBigEndian(void)
    474 {
    475 	union {
    476 		int32_t i;
    477 		char c[4];
    478 	} u;
    479 	u.i = 1;
    480 	return (u.c[0] == 0);
    481 }
    482 
    483 /* unalligned little endian access */
    484 #define LE_READ_2(p)							\
    485 	((uint16_t)							\
    486 	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
    487 #define LE_READ_4(p)							\
    488 	((uint32_t)							\
    489 	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
    490 	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
    491 
    492 /*
    493  * Register manipulation macros that expect bit field defines
    494  * to follow the convention that an _S suffix is appended for
    495  * a shift count, while the field mask has no suffix.
    496  */
    497 #define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
    498 #define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
    499 #define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
    500 	OS_REG_WRITE(_a, _r, \
    501 		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
    502 #define	OS_REG_SET_BIT(_a, _r, _f) \
    503 	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
    504 #define	OS_REG_CLR_BIT(_a, _r, _f) \
    505 	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
    506 
    507 /*
    508  * Regulatory domain support.
    509  */
    510 
    511 /*
    512  * Return the max allowed antenna gain based on the current
    513  * regulatory domain.
    514  */
    515 extern	u_int ath_hal_getantennareduction(struct ath_hal *,
    516 		HAL_CHANNEL *, u_int twiceGain);
    517 /*
    518  * Return the test group for the specific channel based on
    519  * the current regulator domain.
    520  */
    521 extern	u_int ath_hal_getctl(struct ath_hal *, HAL_CHANNEL *);
    522 /*
    523  * Return whether or not a noise floor check is required
    524  * based on the current regulatory domain for the specified
    525  * channel.
    526  */
    527 extern	HAL_BOOL ath_hal_getnfcheckrequired(struct ath_hal *, HAL_CHANNEL *);
    528 
    529 /*
    530  * Map a public channel definition to the corresponding
    531  * internal data structure.  This implicitly specifies
    532  * whether or not the specified channel is ok to use
    533  * based on the current regulatory domain constraints.
    534  */
    535 extern	HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
    536 		const HAL_CHANNEL *);
    537 
    538 /* system-configurable parameters */
    539 extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
    540 extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
    541 extern	int ath_hal_additional_swba_backoff;	/* in TU's */
    542 
    543 /* wait for the register contents to have the specified value */
    544 extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
    545 		uint32_t mask, uint32_t val);
    546 
    547 /* return the first n bits in val reversed */
    548 extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
    549 
    550 /* printf interfaces */
    551 extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
    552 		__printflike(2,3);
    553 extern	void ath_hal_vprintf(struct ath_hal *, const char*, va_list)
    554 		__printflike(2, 0);
    555 extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
    556 
    557 /* allocate and free memory */
    558 extern	void *ath_hal_malloc(size_t);
    559 extern	void ath_hal_free(void *);
    560 
    561 /* common debugging interfaces */
    562 #ifdef AH_DEBUG
    563 #include "ah_debug.h"
    564 extern	int ath_hal_debug;
    565 extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
    566 	__printflike(3,4);
    567 #else
    568 #define HALDEBUG(_ah, __m, _fmt, ...)
    569 #endif /* AH_DEBUG */
    570 
    571 /*
    572  * Register logging definitions shared with ardecode.
    573  */
    574 #include "ah_decode.h"
    575 
    576 /*
    577  * Common assertion interface.  Note: it is a bad idea to generate
    578  * an assertion failure for any recoverable event.  Instead catch
    579  * the violation and, if possible, fix it up or recover from it; either
    580  * with an error return value or a diagnostic messages.  System software
    581  * does not panic unless the situation is hopeless.
    582  */
    583 #ifdef AH_ASSERT
    584 extern	void ath_hal_assert_failed(const char* filename,
    585 		int lineno, const char* msg);
    586 
    587 #define	HALASSERT(_x) do {					\
    588 	if (!(_x)) {						\
    589 		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
    590 	}							\
    591 } while (0)
    592 #else
    593 #define	HALASSERT(_x)
    594 #endif /* AH_ASSERT */
    595 
    596 /*
    597  * Return the h/w frequency for a channel. This may be
    598  * different from ic_freq if this is a GSM device that
    599  * takes 2.4GHz frequencies and down-converts them.
    600  */
    601 static OS_INLINE uint16_t
    602 ath_hal_gethwchannel(struct ath_hal *ah, const HAL_CHANNEL_INTERNAL *c)
    603 {
    604 	return ath_hal_checkchannel(ah, (const HAL_CHANNEL *)c)->channel;
    605 }
    606 
    607 /*
    608  * Convert between microseconds and core system clocks.
    609  */
    610 extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
    611 extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
    612 
    613 /*
    614  * Generic get/set capability support.  Each chip overrides
    615  * this routine to support chip-specific capabilities.
    616  */
    617 extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
    618 		HAL_CAPABILITY_TYPE type, uint32_t capability,
    619 		uint32_t *result);
    620 extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
    621 		HAL_CAPABILITY_TYPE type, uint32_t capability,
    622 		uint32_t setting, HAL_STATUS *status);
    623 
    624 /*
    625  * Diagnostic interface.  This is an open-ended interface that
    626  * is opaque to applications.  Diagnostic programs use this to
    627  * retrieve internal data structures, etc.  There is no guarantee
    628  * that calling conventions for calls other than HAL_DIAG_REVS
    629  * are stable between HAL releases; a diagnostic application must
    630  * use the HAL revision information to deal with ABI/API differences.
    631  *
    632  * NB: do not renumber these, certain codes are publicly used.
    633  */
    634 enum {
    635 	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
    636 	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
    637 	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
    638 	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
    639 	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
    640 	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
    641 	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
    642 	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
    643 	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
    644 	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
    645 	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
    646 	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
    647 	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
    648 	HAL_DIAG_REGS		= 13,	/* Registers */
    649 	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
    650 	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
    651 	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
    652 	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
    653 	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
    654 	/* 19 was HAL_DIAG_TXCONT, 20-23 were for radar */
    655 	HAL_DIAG_REGREAD        = 24,   /* Reg reads */
    656 	HAL_DIAG_REGWRITE       = 25,   /* Reg writes */
    657 	HAL_DIAG_GET_REGBASE    = 26,   /* Get register base */
    658 	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
    659 	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
    660 	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
    661 	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
    662 	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
    663 	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
    664 };
    665 
    666 enum {
    667     HAL_BB_HANG_DFS		= 0x0001,
    668     HAL_BB_HANG_RIFS		= 0x0002,
    669     HAL_BB_HANG_RX_CLEAR	= 0x0004,
    670     HAL_BB_HANG_UNKNOWN		= 0x0080,
    671 
    672     HAL_MAC_HANG_SIG1		= 0x0100,
    673     HAL_MAC_HANG_SIG2		= 0x0200,
    674     HAL_MAC_HANG_UNKNOWN	= 0x8000,
    675 
    676     HAL_BB_HANGS = HAL_BB_HANG_DFS
    677 		 | HAL_BB_HANG_RIFS
    678 		 | HAL_BB_HANG_RX_CLEAR
    679 		 | HAL_BB_HANG_UNKNOWN,
    680     HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
    681 		 | HAL_MAC_HANG_SIG2
    682 		 | HAL_MAC_HANG_UNKNOWN,
    683 };
    684 
    685 /*
    686  * Device revision information.
    687  */
    688 typedef struct {
    689 	uint16_t	ah_devid;		/* PCI device ID */
    690 	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
    691 	uint32_t	ah_macVersion;		/* MAC version id */
    692 	uint16_t	ah_macRev;		/* MAC revision */
    693 	uint16_t	ah_phyRev;		/* PHY revision */
    694 	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
    695 	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
    696 } HAL_REVS;
    697 
    698 /*
    699  * Argument payload for HAL_DIAG_SETKEY.
    700  */
    701 typedef struct {
    702 	HAL_KEYVAL	dk_keyval;
    703 	uint16_t	dk_keyix;	/* key index */
    704 	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
    705 	int		dk_xor;		/* XOR key data */
    706 } HAL_DIAG_KEYVAL;
    707 
    708 /*
    709  * Argument payload for HAL_DIAG_EEWRITE.
    710  */
    711 typedef struct {
    712 	uint16_t	ee_off;		/* eeprom offset */
    713 	uint16_t	ee_data;	/* write data */
    714 } HAL_DIAG_EEVAL;
    715 
    716 
    717 typedef struct {
    718 	u_int offset;		/* reg offset */
    719 	uint32_t val;		/* reg value  */
    720 } HAL_DIAG_REGVAL;
    721 
    722 /*
    723  * 11n compatibility tweaks.
    724  */
    725 #define	HAL_DIAG_11N_SERVICES	0x00000003
    726 #define	HAL_DIAG_11N_SERVICES_S	0
    727 #define	HAL_DIAG_11N_TXSTOMP	0x0000000c
    728 #define	HAL_DIAG_11N_TXSTOMP_S	2
    729 
    730 typedef struct {
    731 	int		maxNoiseImmunityLevel;	/* [0..4] */
    732 	int		totalSizeDesired[5];
    733 	int		coarseHigh[5];
    734 	int		coarseLow[5];
    735 	int		firpwr[5];
    736 
    737 	int		maxSpurImmunityLevel;	/* [0..7] */
    738 	int		cycPwrThr1[8];
    739 
    740 	int		maxFirstepLevel;	/* [0..2] */
    741 	int		firstep[3];
    742 
    743 	uint32_t	ofdmTrigHigh;
    744 	uint32_t	ofdmTrigLow;
    745 	int32_t		cckTrigHigh;
    746 	int32_t		cckTrigLow;
    747 	int32_t		rssiThrLow;
    748 	int32_t		rssiThrHigh;
    749 
    750 	int		period;			/* update listen period */
    751 } HAL_ANI_PARAMS;
    752 
    753 extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
    754 			const void *args, uint32_t argsize,
    755 			void **result, uint32_t *resultsize);
    756 
    757 /*
    758  * Setup a h/w rate table for use.
    759  */
    760 extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
    761 
    762 /*
    763  * Common routine for implementing getChanNoise api.
    764  */
    765 extern	int16_t ath_hal_getChanNoise(struct ath_hal *ah, HAL_CHANNEL *chan);
    766 
    767 /*
    768  * Initialization support.
    769  */
    770 typedef struct {
    771 	const uint32_t	*data;
    772 	int		rows, cols;
    773 } HAL_INI_ARRAY;
    774 
    775 #define	HAL_INI_INIT(_ia, _data, _cols) do {			\
    776 	(_ia)->data = (const uint32_t *)(_data);		\
    777 	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
    778 	(_ia)->cols = (_cols);					\
    779 } while (0)
    780 #define	HAL_INI_VAL(_ia, _r, _c) \
    781 	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
    782 
    783 /*
    784  * OS_DELAY() does a PIO READ on the PCI bus which allows
    785  * other cards' DMA reads to complete in the middle of our reset.
    786  */
    787 #define DMA_YIELD(x) do {		\
    788 	if ((++(x) % 64) == 0)		\
    789 		OS_DELAY(1);		\
    790 } while (0)
    791 
    792 #define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
    793 	int r;								\
    794 	for (r = 0; r < N(regArray); r++) {				\
    795 		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
    796 		DMA_YIELD(regWr);					\
    797 	}								\
    798 } while (0)
    799 
    800 #define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
    801 	int r;								\
    802 	for (r = 0; r < N(regArray); r++) {				\
    803 		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
    804 		DMA_YIELD(regWr);					\
    805 	}								\
    806 } while (0)
    807 
    808 extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
    809 		int col, int regWr);
    810 extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
    811 		int col);
    812 extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
    813 		const uint32_t data[], int regWr);
    814 
    815 #define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
    816 #endif /* _ATH_AH_INTERAL_H_ */
    817