ah_internal.h revision 185406
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 1.21 2008/11/27 22:29:27 sam 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#ifndef _UINTPTR_T
53#if AH_WORDSIZE == 64
54typedef unsigned long int uintptr_t;
55#else
56typedef unsigned int uintptr_t;
57#endif
58#endif
59#define	__DECONST(type, var)	((type)(uintptr_t)(const void *)(var))
60#endif
61
62typedef struct {
63	uint16_t	start;		/* first register */
64	uint16_t	end;		/* ending register or zero */
65} HAL_REGRANGE;
66
67/*
68 * Transmit power scale factor.
69 *
70 * NB: This is not public because we want to discourage the use of
71 *     scaling; folks should use the tx power limit interface.
72 */
73typedef enum {
74	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
75	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
76	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
77	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
78	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
79} HAL_TP_SCALE;
80
81typedef enum {
82 	HAL_CAP_RADAR		= 0,		/* Radar capability */
83 	HAL_CAP_AR		= 1,		/* AR capability */
84} HAL_PHYDIAG_CAPS;
85
86/*
87 * Each chip or class of chips registers to offer support.
88 */
89struct ath_hal_chip {
90	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
91	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
92			    HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *error);
93};
94#ifndef AH_CHIP
95#define	AH_CHIP(name, _probe, _attach)				\
96static struct ath_hal_chip name##_chip = {			\
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	HAL_BOOL	(*probe)(struct ath_hal *ah);
110	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
111};
112#ifndef AH_RF
113#define	AH_RF(name, _probe, _attach)				\
114static struct ath_hal_rf name##_rf = {				\
115	.probe		= _probe,				\
116	.attach		= _attach				\
117};								\
118OS_DATA_SET(ah_rfs, name##_rf)
119#endif
120
121struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
122
123/*
124 * Internal form of a HAL_CHANNEL.  Note that the structure
125 * must be defined such that you can cast references to a
126 * HAL_CHANNEL so don't shuffle the first two members.
127 */
128typedef struct {
129	uint32_t	channelFlags;
130	uint16_t	channel;	/* NB: must be first for casting */
131	uint8_t		privFlags;
132	int8_t		maxRegTxPower;
133	int8_t		maxTxPower;
134	int8_t		minTxPower;	/* as above... */
135
136	HAL_BOOL	bssSendHere;
137	uint8_t		gainI;
138	HAL_BOOL	iqCalValid;
139	uint8_t		calValid;		/* bitmask of cal types */
140	int8_t		iCoff;
141	int8_t		qCoff;
142	int16_t		rawNoiseFloor;
143	int16_t		noiseFloorAdjust;
144	int8_t		antennaMax;
145	uint32_t	regDmnFlags;		/* Flags for channel use in reg */
146	uint32_t	conformanceTestLimit;	/* conformance test limit from reg domain */
147	uint16_t	mainSpur;		/* cached spur value for this cahnnel */
148} HAL_CHANNEL_INTERNAL;
149
150typedef struct {
151	uint32_t	halChanSpreadSupport 		: 1,
152			halSleepAfterBeaconBroken	: 1,
153			halCompressSupport		: 1,
154			halBurstSupport			: 1,
155			halFastFramesSupport		: 1,
156			halChapTuningSupport		: 1,
157			halTurboGSupport		: 1,
158			halTurboPrimeSupport		: 1,
159			halMicAesCcmSupport		: 1,
160			halMicCkipSupport		: 1,
161			halMicTkipSupport		: 1,
162			halTkipMicTxRxKeySupport	: 1,
163			halCipherAesCcmSupport		: 1,
164			halCipherCkipSupport		: 1,
165			halCipherTkipSupport		: 1,
166			halPSPollBroken			: 1,
167			halVEOLSupport			: 1,
168			halBssIdMaskSupport		: 1,
169			halMcastKeySrchSupport		: 1,
170			halTsfAddSupport		: 1,
171			halChanHalfRate			: 1,
172			halChanQuarterRate		: 1,
173			halHTSupport			: 1,
174			halRfSilentSupport		: 1,
175			halHwPhyCounterSupport		: 1,
176			halWowSupport			: 1,
177			halWowMatchPatternExact		: 1,
178			halAutoSleepSupport		: 1,
179			halFastCCSupport		: 1,
180			halBtCoexSupport		: 1;
181	uint32_t	halRxStbcSupport		: 1,
182			halTxStbcSupport		: 1,
183			halGTTSupport			: 1,
184			halCSTSupport			: 1,
185			halRifsRxSupport		: 1,
186			halRifsTxSupport		: 1,
187			halExtChanDfsSupport		: 1,
188			halForcePpmSupport		: 1,
189			halEnhancedPmSupport		: 1,
190			halMbssidAggrSupport		: 1;
191	uint32_t	halWirelessModes;
192	uint16_t	halTotalQueues;
193	uint16_t	halKeyCacheSize;
194	uint16_t	halLow5GhzChan, halHigh5GhzChan;
195	uint16_t	halLow2GhzChan, halHigh2GhzChan;
196	int		halTstampPrecision;
197	int		halRtsAggrLimit;
198	uint8_t		halTxChainMask;
199	uint8_t		halRxChainMask;
200	uint8_t		halNumGpioPins;
201	uint8_t		halNumAntCfg2GHz;
202	uint8_t		halNumAntCfg5GHz;
203} HAL_CAPABILITIES;
204
205/*
206 * The ``private area'' follows immediately after the ``public area''
207 * in the data structure returned by ath_hal_attach.  Private data are
208 * used by device-independent code such as the regulatory domain support.
209 * In general, code within the HAL should never depend on data in the
210 * public area.  Instead any public data needed internally should be
211 * shadowed here.
212 *
213 * When declaring a device-specific ath_hal data structure this structure
214 * is assumed to at the front; e.g.
215 *
216 *	struct ath_hal_5212 {
217 *		struct ath_hal_private	ah_priv;
218 *		...
219 *	};
220 *
221 * It might be better to manage the method pointers in this structure
222 * using an indirect pointer to a read-only data structure but this would
223 * disallow class-style method overriding.
224 */
225struct ath_hal_private {
226	struct ath_hal	h;			/* public area */
227
228	/* NB: all methods go first to simplify initialization */
229	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
230				uint16_t channelFlags,
231				uint16_t *lowChannel, uint16_t *highChannel);
232	u_int		(*ah_getWirelessModes)(struct ath_hal*);
233	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
234				uint16_t *data);
235	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
236				uint16_t data);
237	HAL_BOOL	(*ah_gpioCfgOutput)(struct ath_hal *, uint32_t gpio);
238	HAL_BOOL	(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
239	uint32_t	(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
240	HAL_BOOL	(*ah_gpioSet)(struct ath_hal *,
241				uint32_t gpio, uint32_t val);
242	void		(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
243	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
244				HAL_CHANNEL *, uint32_t);
245	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
246				const HAL_CHANNEL_INTERNAL*);
247	void		(*ah_getNoiseFloor)(struct ath_hal *,
248				int16_t nfarray[]);
249
250	void		*ah_eeprom;		/* opaque EEPROM state */
251	uint16_t	ah_eeversion;		/* EEPROM version */
252	void		(*ah_eepromDetach)(struct ath_hal *);
253	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
254	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
255	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
256	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
257			    const void *args, uint32_t argsize,
258			    void **result, uint32_t *resultsize);
259
260	/*
261	 * Device revision information.
262	 */
263	uint16_t	ah_devid;		/* PCI device ID */
264	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
265	uint32_t	ah_macVersion;		/* MAC version id */
266	uint16_t	ah_macRev;		/* MAC revision */
267	uint16_t	ah_phyRev;		/* PHY revision */
268	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
269	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
270
271
272	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
273	HAL_CAPABILITIES ah_caps;		/* device capabilities */
274	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
275	int16_t		ah_powerLimit;		/* tx power cap */
276	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
277	u_int		ah_tpScale;		/* tx power scale factor */
278	uint32_t	ah_11nCompat;		/* 11n compat controls */
279
280	/*
281	 * State for regulatory domain handling.
282	 */
283	HAL_REG_DOMAIN	ah_currentRD;		/* Current regulatory domain */
284	HAL_CTRY_CODE	ah_countryCode;		/* current country code */
285	HAL_CHANNEL_INTERNAL ah_channels[256];	/* calculated channel list */
286	u_int		ah_nchan;		/* valid channels in list */
287	HAL_CHANNEL_INTERNAL *ah_curchan;	/* current channel */
288
289	uint8_t    	ah_coverageClass;   	/* coverage class */
290	HAL_BOOL    	ah_regdomainUpdate;     /* regdomain is updated? */
291	/*
292	 * RF Silent handling; setup according to the EEPROM.
293	 */
294	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
295	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
296	/*
297	 * Diagnostic support for discriminating HIUERR reports.
298	 */
299	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
300	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
301};
302
303#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
304
305#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
306	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
307#define	ath_hal_getWirelessModes(_ah) \
308	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
309#define	ath_hal_eepromRead(_ah, _off, _data) \
310	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
311#define	ath_hal_eepromWrite(_ah, _off, _data) \
312	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
313#define	ath_hal_gpioCfgOutput(_ah, _gpio) \
314	AH_PRIVATE(_ah)->ah_gpioCfgOutput(_ah, _gpio)
315#define	ath_hal_gpioCfgInput(_ah, _gpio) \
316	AH_PRIVATE(_ah)->ah_gpioCfgInput(_ah, _gpio)
317#define	ath_hal_gpioGet(_ah, _gpio) \
318	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio)
319#define	ath_hal_gpioSet(_ah, _gpio, _val) \
320	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio, _val)
321#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
322	AH_PRIVATE(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
323#define	ath_hal_getpowerlimits(_ah, _chans, _nchan) \
324	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chans, _nchan)
325#define ath_hal_getNfAdjust(_ah, _c) \
326	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
327#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
328	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
329
330#define	ath_hal_eepromDetach(_ah) \
331	AH_PRIVATE(_ah)->ah_eepromDetach(_ah)
332#define	ath_hal_eepromGet(_ah, _param, _val) \
333	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
334#define	ath_hal_eepromSet(_ah, _param, _val) \
335	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
336#define	ath_hal_eepromGetFlag(_ah, _param) \
337	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
338#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
339	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
340#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
341	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
342
343#if !defined(_NET_IF_IEEE80211_H_) && !defined(_NET80211__IEEE80211_H_)
344/*
345 * Stuff that would naturally come from _ieee80211.h
346 */
347#define	IEEE80211_ADDR_LEN		6
348
349#define	IEEE80211_WEP_KEYLEN			5	/* 40bit */
350#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
351#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
352#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
353
354#define	IEEE80211_CRC_LEN			4
355
356#define	IEEE80211_MTU				1500
357#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
358    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
359
360enum {
361	IEEE80211_T_DS,			/* direct sequence spread spectrum */
362	IEEE80211_T_FH,			/* frequency hopping */
363	IEEE80211_T_OFDM,		/* frequency division multiplexing */
364	IEEE80211_T_TURBO,		/* high rate DS */
365	IEEE80211_T_HT,			/* HT - full GI */
366};
367#define	IEEE80211_T_CCK	IEEE80211_T_DS	/* more common nomenclatur */
368#endif /* _NET_IF_IEEE80211_H_ */
369
370/* NB: these are defined privately until XR support is announced */
371enum {
372	ATHEROS_T_XR	= IEEE80211_T_HT+1,	/* extended range */
373};
374
375#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
376
377#define INIT_AIFS		2
378#define INIT_CWMIN		15
379#define INIT_CWMIN_11B		31
380#define INIT_CWMAX		1023
381#define INIT_SH_RETRY		10
382#define INIT_LG_RETRY		10
383#define INIT_SSH_RETRY		32
384#define INIT_SLG_RETRY		32
385
386typedef struct {
387	uint32_t	tqi_ver;		/* HAL TXQ verson */
388	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
389	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
390	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
391	uint32_t	tqi_priority;
392	uint32_t	tqi_aifs;		/* aifs */
393	uint32_t	tqi_cwmin;		/* cwMin */
394	uint32_t	tqi_cwmax;		/* cwMax */
395	uint16_t	tqi_shretry;		/* frame short retry limit */
396	uint16_t	tqi_lgretry;		/* frame long retry limit */
397	uint32_t	tqi_cbrPeriod;
398	uint32_t	tqi_cbrOverflowLimit;
399	uint32_t	tqi_burstTime;
400	uint32_t	tqi_readyTime;
401	uint32_t	tqi_physCompBuf;
402	uint32_t	tqi_intFlags;		/* flags for internal use */
403} HAL_TX_QUEUE_INFO;
404
405extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
406		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
407extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
408		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
409
410typedef enum {
411	HAL_ANI_PRESENT,			/* is ANI support present */
412	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
413	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
414	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
415	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
416	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
417	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
418	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
419} HAL_ANI_CMD;
420
421#define	HAL_SPUR_VAL_MASK		0x3FFF
422#define	HAL_SPUR_CHAN_WIDTH		87
423#define	HAL_BIN_WIDTH_BASE_100HZ	3125
424#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
425#define	HAL_MAX_BINS_ALLOWED		28
426
427/*
428 * A    = 5GHZ|OFDM
429 * T    = 5GHZ|OFDM|TURBO
430 *
431 * IS_CHAN_A(T) will return TRUE.  This is probably
432 * not the default behavior we want.  We should migrate to a better mask --
433 * perhaps CHANNEL_ALL.
434 *
435 * For now, IS_CHAN_G() masks itself with CHANNEL_108G.
436 *
437 */
438
439#define	IS_CHAN_A(_c)	(((_c)->channelFlags & CHANNEL_A) == CHANNEL_A)
440#define	IS_CHAN_B(_c)	(((_c)->channelFlags & CHANNEL_B) == CHANNEL_B)
441#define	IS_CHAN_G(_c)	(((_c)->channelFlags & (CHANNEL_108G|CHANNEL_G)) == CHANNEL_G)
442#define	IS_CHAN_108G(_c)(((_c)->channelFlags & CHANNEL_108G) == CHANNEL_108G)
443#define	IS_CHAN_T(_c)	(((_c)->channelFlags & CHANNEL_T) == CHANNEL_T)
444#define	IS_CHAN_PUREG(_c) \
445	(((_c)->channelFlags & CHANNEL_PUREG) == CHANNEL_PUREG)
446
447#define	IS_CHAN_TURBO(_c)	(((_c)->channelFlags & CHANNEL_TURBO) != 0)
448#define	IS_CHAN_CCK(_c)		(((_c)->channelFlags & CHANNEL_CCK) != 0)
449#define	IS_CHAN_OFDM(_c)	(((_c)->channelFlags & CHANNEL_OFDM) != 0)
450#define	IS_CHAN_5GHZ(_c)	(((_c)->channelFlags & CHANNEL_5GHZ) != 0)
451#define	IS_CHAN_2GHZ(_c)	(((_c)->channelFlags & CHANNEL_2GHZ) != 0)
452#define	IS_CHAN_PASSIVE(_c)	(((_c)->channelFlags & CHANNEL_PASSIVE) != 0)
453#define	IS_CHAN_HALF_RATE(_c)	(((_c)->channelFlags & CHANNEL_HALF) != 0)
454#define	IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
455
456#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
457
458#define	CHANNEL_HT40		(CHANNEL_HT40PLUS | CHANNEL_HT40MINUS)
459#define	CHANNEL_HT		(CHANNEL_HT20 | CHANNEL_HT40)
460#define	IS_CHAN_HT(_c)		(((_c)->channelFlags & CHANNEL_HT) != 0)
461#define	IS_CHAN_HT20(_c)	(((_c)->channelFlags & CHANNEL_HT) == CHANNEL_HT20)
462#define	IS_CHAN_HT40(_c)	(((_c)->channelFlags & CHANNEL_HT40) != 0)
463
464/*
465 * Deduce if the host cpu has big- or litt-endian byte order.
466 */
467static __inline__ int
468isBigEndian(void)
469{
470	union {
471		int32_t i;
472		char c[4];
473	} u;
474	u.i = 1;
475	return (u.c[0] == 0);
476}
477
478/* unalligned little endian access */
479#define LE_READ_2(p)							\
480	((uint16_t)							\
481	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
482#define LE_READ_4(p)							\
483	((uint32_t)							\
484	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
485	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
486
487/*
488 * Register manipulation macros that expect bit field defines
489 * to follow the convention that an _S suffix is appended for
490 * a shift count, while the field mask has no suffix.
491 */
492#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
493#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
494#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
495	OS_REG_WRITE(_a, _r, \
496		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
497#define	OS_REG_SET_BIT(_a, _r, _f) \
498	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
499#define	OS_REG_CLR_BIT(_a, _r, _f) \
500	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
501
502/*
503 * Regulatory domain support.
504 */
505
506/*
507 * Return the max allowed antenna gain based on the current
508 * regulatory domain.
509 */
510extern	u_int ath_hal_getantennareduction(struct ath_hal *,
511		HAL_CHANNEL *, u_int twiceGain);
512/*
513 * Return the test group for the specific channel based on
514 * the current regulator domain.
515 */
516extern	u_int ath_hal_getctl(struct ath_hal *, HAL_CHANNEL *);
517/*
518 * Return whether or not a noise floor check is required
519 * based on the current regulatory domain for the specified
520 * channel.
521 */
522extern	u_int ath_hal_getnfcheckrequired(struct ath_hal *, HAL_CHANNEL *);
523
524/*
525 * Map a public channel definition to the corresponding
526 * internal data structure.  This implicitly specifies
527 * whether or not the specified channel is ok to use
528 * based on the current regulatory domain constraints.
529 */
530extern	HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
531		const HAL_CHANNEL *);
532
533/* system-configurable parameters */
534extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
535extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
536extern	int ath_hal_additional_swba_backoff;	/* in TU's */
537
538/* wait for the register contents to have the specified value */
539extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
540		uint32_t mask, uint32_t val);
541
542/* return the first n bits in val reversed */
543extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
544
545/* printf interfaces */
546extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
547		__printflike(2,3);
548extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
549		__printflike(2, 0);
550extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
551
552/* allocate and free memory */
553extern	void *ath_hal_malloc(size_t);
554extern	void ath_hal_free(void *);
555
556/* common debugging interfaces */
557#ifdef AH_DEBUG
558#include "ah_debug.h"
559extern	int ath_hal_debug;
560extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
561	__printflike(3,4);
562#else
563#define HALDEBUG(_ah, __m, _fmt, ...)
564#endif /* AH_DEBUG */
565
566/*
567 * Register logging definitions shared with ardecode.
568 */
569#include "ah_decode.h"
570
571/*
572 * Common assertion interface.  Note: it is a bad idea to generate
573 * an assertion failure for any recoverable event.  Instead catch
574 * the violation and, if possible, fix it up or recover from it; either
575 * with an error return value or a diagnostic messages.  System software
576 * does not panic unless the situation is hopeless.
577 */
578#ifdef AH_ASSERT
579extern	void ath_hal_assert_failed(const char* filename,
580		int lineno, const char* msg);
581
582#define	HALASSERT(_x) do {					\
583	if (!(_x)) {						\
584		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
585	}							\
586} while (0)
587#else
588#define	HALASSERT(_x)
589#endif /* AH_ASSERT */
590
591/*
592 * Convert between microseconds and core system clocks.
593 */
594extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
595extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
596
597/*
598 * Generic get/set capability support.  Each chip overrides
599 * this routine to support chip-specific capabilities.
600 */
601extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
602		HAL_CAPABILITY_TYPE type, uint32_t capability,
603		uint32_t *result);
604extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
605		HAL_CAPABILITY_TYPE type, uint32_t capability,
606		uint32_t setting, HAL_STATUS *status);
607
608/*
609 * Diagnostic interface.  This is an open-ended interface that
610 * is opaque to applications.  Diagnostic programs use this to
611 * retrieve internal data structures, etc.  There is no guarantee
612 * that calling conventions for calls other than HAL_DIAG_REVS
613 * are stable between HAL releases; a diagnostic application must
614 * use the HAL revision information to deal with ABI/API differences.
615 *
616 * NB: do not renumber these, certain codes are publicly used.
617 */
618enum {
619	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
620	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
621	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
622	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
623	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
624	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
625	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
626	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
627	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
628	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
629	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
630	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
631	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
632	HAL_DIAG_REGS		= 13,	/* Registers */
633	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
634	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
635	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
636	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
637	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
638	/* 19 was HAL_DIAG_TXCONT, 20-23 were for radar */
639	HAL_DIAG_REGREAD        = 24,   /* Reg reads */
640	HAL_DIAG_REGWRITE       = 25,   /* Reg writes */
641	HAL_DIAG_GET_REGBASE    = 26,   /* Get register base */
642	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
643	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
644	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
645	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
646	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
647	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
648};
649
650enum {
651    HAL_BB_HANG_DFS		= 0x0001,
652    HAL_BB_HANG_RIFS		= 0x0002,
653    HAL_BB_HANG_RX_CLEAR	= 0x0004,
654    HAL_BB_HANG_UNKNOWN		= 0x0080,
655
656    HAL_MAC_HANG_SIG1		= 0x0100,
657    HAL_MAC_HANG_SIG2		= 0x0200,
658    HAL_MAC_HANG_UNKNOWN	= 0x8000,
659
660    HAL_BB_HANGS = HAL_BB_HANG_DFS
661		 | HAL_BB_HANG_RIFS
662		 | HAL_BB_HANG_RX_CLEAR
663		 | HAL_BB_HANG_UNKNOWN,
664    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
665		 | HAL_MAC_HANG_SIG2
666		 | HAL_MAC_HANG_UNKNOWN,
667};
668
669/*
670 * Device revision information.
671 */
672typedef struct {
673	uint16_t	ah_devid;		/* PCI device ID */
674	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
675	uint32_t	ah_macVersion;		/* MAC version id */
676	uint16_t	ah_macRev;		/* MAC revision */
677	uint16_t	ah_phyRev;		/* PHY revision */
678	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
679	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
680} HAL_REVS;
681
682/*
683 * Argument payload for HAL_DIAG_SETKEY.
684 */
685typedef struct {
686	HAL_KEYVAL	dk_keyval;
687	uint16_t	dk_keyix;	/* key index */
688	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
689	int		dk_xor;		/* XOR key data */
690} HAL_DIAG_KEYVAL;
691
692/*
693 * Argument payload for HAL_DIAG_EEWRITE.
694 */
695typedef struct {
696	uint16_t	ee_off;		/* eeprom offset */
697	uint16_t	ee_data;	/* write data */
698} HAL_DIAG_EEVAL;
699
700
701typedef struct {
702	u_int offset;		/* reg offset */
703	uint32_t val;		/* reg value  */
704} HAL_DIAG_REGVAL;
705
706/*
707 * 11n compatibility tweaks.
708 */
709#define	HAL_DIAG_11N_SERVICES	0x00000003
710#define	HAL_DIAG_11N_SERVICES_S	0
711#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
712#define	HAL_DIAG_11N_TXSTOMP_S	2
713
714typedef struct {
715	int		maxNoiseImmunityLevel;	/* [0..4] */
716	int		totalSizeDesired[5];
717	int		coarseHigh[5];
718	int		coarseLow[5];
719	int		firpwr[5];
720
721	int		maxSpurImmunityLevel;	/* [0..7] */
722	int		cycPwrThr1[8];
723
724	int		maxFirstepLevel;	/* [0..2] */
725	int		firstep[3];
726
727	uint32_t	ofdmTrigHigh;
728	uint32_t	ofdmTrigLow;
729	int32_t		cckTrigHigh;
730	int32_t		cckTrigLow;
731	int32_t		rssiThrLow;
732	int32_t		rssiThrHigh;
733
734	int		period;			/* update listen period */
735} HAL_ANI_PARAMS;
736
737extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
738			const void *args, uint32_t argsize,
739			void **result, uint32_t *resultsize);
740
741/*
742 * Setup a h/w rate table for use.
743 */
744extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
745
746/*
747 * Common routine for implementing getChanNoise api.
748 */
749extern	int16_t ath_hal_getChanNoise(struct ath_hal *ah, HAL_CHANNEL *chan);
750
751/*
752 * Initialization support.
753 */
754typedef struct {
755	const uint32_t	*data;
756	int		rows, cols;
757} HAL_INI_ARRAY;
758
759#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
760	(_ia)->data = (const uint32_t *)(_data);		\
761	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
762	(_ia)->cols = (_cols);					\
763} while (0)
764#define	HAL_INI_VAL(_ia, _r, _c) \
765	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
766
767/*
768 * OS_DELAY() does a PIO READ on the PCI bus which allows
769 * other cards' DMA reads to complete in the middle of our reset.
770 */
771#define DMA_YIELD(x) do {		\
772	if ((++(x) % 64) == 0)		\
773		OS_DELAY(1);		\
774} while (0)
775
776#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
777	int r;								\
778	for (r = 0; r < N(regArray); r++) {				\
779		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
780		DMA_YIELD(regWr);					\
781	}								\
782} while (0)
783
784#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
785	int r;								\
786	for (r = 0; r < N(regArray); r++) {				\
787		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
788		DMA_YIELD(regWr);					\
789	}								\
790} while (0)
791
792extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
793		int col, int regWr);
794extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
795		int col);
796extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
797		const uint32_t data[], int regWr);
798
799#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
800#endif /* _ATH_AH_INTERAL_H_ */
801