ah_internal.h revision 238858
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: head/sys/dev/ath/ath_hal/ah_internal.h 238858 2012-07-28 07:28:08Z adrian $
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
52typedef struct {
53	uint16_t	start;		/* first register */
54	uint16_t	end;		/* ending register or zero */
55} HAL_REGRANGE;
56
57typedef 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 */
68typedef 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
76typedef enum {
77 	HAL_CAP_RADAR		= 0,		/* Radar capability */
78 	HAL_CAP_AR		= 1,		/* AR capability */
79} HAL_PHYDIAG_CAPS;
80
81/*
82 * Each chip or class of chips registers to offer support.
83 */
84struct ath_hal_chip {
85	const char	*name;
86	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
87	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
88			    HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata,
89			    HAL_STATUS *error);
90};
91#ifndef AH_CHIP
92#define	AH_CHIP(_name, _probe, _attach)				\
93static struct ath_hal_chip _name##_chip = {			\
94	.name		= #_name,				\
95	.probe		= _probe,				\
96	.attach		= _attach				\
97};								\
98OS_DATA_SET(ah_chips, _name##_chip)
99#endif
100
101/*
102 * Each RF backend registers to offer support; this is mostly
103 * used by multi-chip 5212 solutions.  Single-chip solutions
104 * have a fixed idea about which RF to use.
105 */
106struct ath_hal_rf {
107	const char	*name;
108	HAL_BOOL	(*probe)(struct ath_hal *ah);
109	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
110};
111#ifndef AH_RF
112#define	AH_RF(_name, _probe, _attach)				\
113static struct ath_hal_rf _name##_rf = {				\
114	.name		= __STRING(_name),			\
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 * Maximum number of internal channels.  Entries are per unique
125 * frequency so this might be need to be increased to handle all
126 * usage cases; typically no more than 32 are really needed but
127 * dynamically allocating the data structures is a bit painful
128 * right now.
129 */
130#ifndef AH_MAXCHAN
131#define	AH_MAXCHAN	96
132#endif
133
134/*
135 * Internal per-channel state.  These are found
136 * using ic_devdata in the ieee80211_channel.
137 */
138typedef struct {
139	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
140	uint8_t		privFlags;
141#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
142#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
143#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
144#define	CHANNEL_MIMO_NF_VALID	0x04	/* Mimo NF values are valid */
145	uint8_t		calValid;	/* bitmask of cal types */
146	int8_t		iCoff;
147	int8_t		qCoff;
148	int16_t		rawNoiseFloor;
149	int16_t		noiseFloorAdjust;
150#ifdef	AH_SUPPORT_AR5416
151	int16_t		noiseFloorCtl[AH_MIMO_MAX_CHAINS];
152	int16_t		noiseFloorExt[AH_MIMO_MAX_CHAINS];
153#endif	/* AH_SUPPORT_AR5416 */
154	uint16_t	mainSpur;	/* cached spur value for this channel */
155} HAL_CHANNEL_INTERNAL;
156
157/* channel requires noise floor check */
158#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
159
160/* all full-width channels */
161#define	IEEE80211_CHAN_ALLFULL \
162	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
163#define	IEEE80211_CHAN_ALLTURBOFULL \
164	(IEEE80211_CHAN_ALLTURBO - \
165	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
166
167typedef struct {
168	uint32_t	halChanSpreadSupport 		: 1,
169			halSleepAfterBeaconBroken	: 1,
170			halCompressSupport		: 1,
171			halBurstSupport			: 1,
172			halFastFramesSupport		: 1,
173			halChapTuningSupport		: 1,
174			halTurboGSupport		: 1,
175			halTurboPrimeSupport		: 1,
176			halMicAesCcmSupport		: 1,
177			halMicCkipSupport		: 1,
178			halMicTkipSupport		: 1,
179			halTkipMicTxRxKeySupport	: 1,
180			halCipherAesCcmSupport		: 1,
181			halCipherCkipSupport		: 1,
182			halCipherTkipSupport		: 1,
183			halPSPollBroken			: 1,
184			halVEOLSupport			: 1,
185			halBssIdMaskSupport		: 1,
186			halMcastKeySrchSupport		: 1,
187			halTsfAddSupport		: 1,
188			halChanHalfRate			: 1,
189			halChanQuarterRate		: 1,
190			halHTSupport			: 1,
191			halHTSGI20Support		: 1,
192			halRfSilentSupport		: 1,
193			halHwPhyCounterSupport		: 1,
194			halWowSupport			: 1,
195			halWowMatchPatternExact		: 1,
196			halAutoSleepSupport		: 1,
197			halFastCCSupport		: 1,
198			halBtCoexSupport		: 1;
199	uint32_t	halRxStbcSupport		: 1,
200			halTxStbcSupport		: 1,
201			halGTTSupport			: 1,
202			halCSTSupport			: 1,
203			halRifsRxSupport		: 1,
204			halRifsTxSupport		: 1,
205			hal4AddrAggrSupport		: 1,
206			halExtChanDfsSupport		: 1,
207			halUseCombinedRadarRssi		: 1,
208			halForcePpmSupport		: 1,
209			halEnhancedPmSupport		: 1,
210			halEnhancedDfsSupport		: 1,
211			halMbssidAggrSupport		: 1,
212			halBssidMatchSupport		: 1,
213			hal4kbSplitTransSupport		: 1,
214			halHasRxSelfLinkedTail		: 1,
215			halSupportsFastClock5GHz	: 1,
216			halHasLongRxDescTsf		: 1,
217			halHasBBReadWar			: 1,
218			halSerialiseRegWar		: 1,
219			halMciSupport			: 1,
220			halRxTxAbortSupport		: 1,
221			halPaprdEnabled			: 1,
222			halHasUapsdSupport		: 1,
223			halWpsPushButtonSupport		: 1,
224			halBtCoexApsmWar		: 1,
225			halGenTimerSupport		: 1,
226			halLDPCSupport			: 1,
227			halHwBeaconProcSupport		: 1,
228			halEnhancedDmaSupport		: 1;
229	uint32_t	halIsrRacSupport		: 1,
230			halApmEnable			: 1,
231			halIntrMitigation		: 1;
232
233	uint32_t	halWirelessModes;
234	uint16_t	halTotalQueues;
235	uint16_t	halKeyCacheSize;
236	uint16_t	halLow5GhzChan, halHigh5GhzChan;
237	uint16_t	halLow2GhzChan, halHigh2GhzChan;
238	int		halTstampPrecision;
239	int		halRtsAggrLimit;
240	uint8_t		halTxChainMask;
241	uint8_t		halRxChainMask;
242	uint8_t		halNumGpioPins;
243	uint8_t		halNumAntCfg2GHz;
244	uint8_t		halNumAntCfg5GHz;
245	uint32_t	halIntrMask;
246	uint8_t		halTxStreams;
247	uint8_t		halRxStreams;
248
249	int		halNumTxMaps;
250	int		halTxDescLen;
251	int		halTxStatusLen;
252	int		halRxStatusLen;
253	int		halRxHpFifoDepth;
254	int		halRxLpFifoDepth;
255	int		halNumMRRetries;
256} HAL_CAPABILITIES;
257
258struct regDomain;
259
260/*
261 * The ``private area'' follows immediately after the ``public area''
262 * in the data structure returned by ath_hal_attach.  Private data are
263 * used by device-independent code such as the regulatory domain support.
264 * In general, code within the HAL should never depend on data in the
265 * public area.  Instead any public data needed internally should be
266 * shadowed here.
267 *
268 * When declaring a device-specific ath_hal data structure this structure
269 * is assumed to at the front; e.g.
270 *
271 *	struct ath_hal_5212 {
272 *		struct ath_hal_private	ah_priv;
273 *		...
274 *	};
275 *
276 * It might be better to manage the method pointers in this structure
277 * using an indirect pointer to a read-only data structure but this would
278 * disallow class-style method overriding.
279 */
280struct ath_hal_private {
281	struct ath_hal	h;			/* public area */
282
283	/* NB: all methods go first to simplify initialization */
284	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
285				uint16_t channelFlags,
286				uint16_t *lowChannel, uint16_t *highChannel);
287	u_int		(*ah_getWirelessModes)(struct ath_hal*);
288	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
289				uint16_t *data);
290	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
291				uint16_t data);
292	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
293				struct ieee80211_channel *);
294	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
295				const HAL_CHANNEL_INTERNAL*);
296	void		(*ah_getNoiseFloor)(struct ath_hal *,
297				int16_t nfarray[]);
298
299	void		*ah_eeprom;		/* opaque EEPROM state */
300	uint16_t	ah_eeversion;		/* EEPROM version */
301	void		(*ah_eepromDetach)(struct ath_hal *);
302	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
303	HAL_STATUS	(*ah_eepromSet)(struct ath_hal *, int, int);
304	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
305	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
306			    const void *args, uint32_t argsize,
307			    void **result, uint32_t *resultsize);
308
309	/*
310	 * Device revision information.
311	 */
312	uint16_t	ah_devid;		/* PCI device ID */
313	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
314	uint32_t	ah_macVersion;		/* MAC version id */
315	uint16_t	ah_macRev;		/* MAC revision */
316	uint16_t	ah_phyRev;		/* PHY revision */
317	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
318	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
319	uint8_t		ah_ispcie;		/* PCIE, special treatment */
320
321	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
322	const struct ieee80211_channel *ah_curchan;/* operating channel */
323	HAL_CAPABILITIES ah_caps;		/* device capabilities */
324	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
325	int16_t		ah_powerLimit;		/* tx power cap */
326	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
327	u_int		ah_tpScale;		/* tx power scale factor */
328	uint32_t	ah_11nCompat;		/* 11n compat controls */
329
330	/*
331	 * State for regulatory domain handling.
332	 */
333	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
334	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
335	HAL_DFS_DOMAIN	ah_dfsDomain;		/* current DFS domain */
336	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
337	u_int		ah_nchan;		/* valid items in ah_channels */
338	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
339	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
340
341	uint8_t    	ah_coverageClass;   	/* coverage class */
342	/*
343	 * RF Silent handling; setup according to the EEPROM.
344	 */
345	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
346	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
347	/*
348	 * Diagnostic support for discriminating HIUERR reports.
349	 */
350	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
351	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
352};
353
354#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
355
356#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
357	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
358#define	ath_hal_getWirelessModes(_ah) \
359	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
360#define	ath_hal_eepromRead(_ah, _off, _data) \
361	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
362#define	ath_hal_eepromWrite(_ah, _off, _data) \
363	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
364#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
365	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
366#define	ath_hal_gpioCfgInput(_ah, _gpio) \
367	(_ah)->ah_gpioCfgInput(_ah, _gpio)
368#define	ath_hal_gpioGet(_ah, _gpio) \
369	(_ah)->ah_gpioGet(_ah, _gpio)
370#define	ath_hal_gpioSet(_ah, _gpio, _val) \
371	(_ah)->ah_gpioSet(_ah, _gpio, _val)
372#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
373	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
374#define	ath_hal_getpowerlimits(_ah, _chan) \
375	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
376#define ath_hal_getNfAdjust(_ah, _c) \
377	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
378#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
379	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
380#define	ath_hal_configPCIE(_ah, _reset, _poweroff) \
381	(_ah)->ah_configPCIE(_ah, _reset, _poweroff)
382#define	ath_hal_disablePCIE(_ah) \
383	(_ah)->ah_disablePCIE(_ah)
384#define	ath_hal_setInterrupts(_ah, _mask) \
385	(_ah)->ah_setInterrupts(_ah, _mask)
386
387#define	ath_hal_eepromDetach(_ah) do {				\
388	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
389		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
390} while (0)
391#define	ath_hal_eepromGet(_ah, _param, _val) \
392	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
393#define	ath_hal_eepromSet(_ah, _param, _val) \
394	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
395#define	ath_hal_eepromGetFlag(_ah, _param) \
396	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
397#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
398	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
399#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
400	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
401
402#ifndef _NET_IF_IEEE80211_H_
403/*
404 * Stuff that would naturally come from _ieee80211.h
405 */
406#define	IEEE80211_ADDR_LEN		6
407
408#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
409#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
410#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
411
412#define	IEEE80211_CRC_LEN			4
413
414#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
415    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
416#endif /* _NET_IF_IEEE80211_H_ */
417
418#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
419
420#define INIT_AIFS		2
421#define INIT_CWMIN		15
422#define INIT_CWMIN_11B		31
423#define INIT_CWMAX		1023
424#define INIT_SH_RETRY		10
425#define INIT_LG_RETRY		10
426#define INIT_SSH_RETRY		32
427#define INIT_SLG_RETRY		32
428
429typedef struct {
430	uint32_t	tqi_ver;		/* HAL TXQ verson */
431	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
432	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
433	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
434	uint32_t	tqi_priority;
435	uint32_t	tqi_aifs;		/* aifs */
436	uint32_t	tqi_cwmin;		/* cwMin */
437	uint32_t	tqi_cwmax;		/* cwMax */
438	uint16_t	tqi_shretry;		/* frame short retry limit */
439	uint16_t	tqi_lgretry;		/* frame long retry limit */
440	uint32_t	tqi_cbrPeriod;
441	uint32_t	tqi_cbrOverflowLimit;
442	uint32_t	tqi_burstTime;
443	uint32_t	tqi_readyTime;
444	uint32_t	tqi_physCompBuf;
445	uint32_t	tqi_intFlags;		/* flags for internal use */
446} HAL_TX_QUEUE_INFO;
447
448extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
449		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
450extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
451		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
452
453#define	HAL_SPUR_VAL_MASK		0x3FFF
454#define	HAL_SPUR_CHAN_WIDTH		87
455#define	HAL_BIN_WIDTH_BASE_100HZ	3125
456#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
457#define	HAL_MAX_BINS_ALLOWED		28
458
459#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
460#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
461
462#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
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(_a, _r, _set, _clr)    \
495	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
496#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
497	OS_REG_WRITE(_a, _r, \
498		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
499#define	OS_REG_SET_BIT(_a, _r, _f) \
500	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
501#define	OS_REG_CLR_BIT(_a, _r, _f) \
502	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
503#define OS_REG_IS_BIT_SET(_a, _r, _f) \
504	    ((OS_REG_READ(_a, _r) & (_f)) != 0)
505
506/* Analog register writes may require a delay between each one (eg Merlin?) */
507#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
508	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
509#define	OS_A_REG_WRITE(_a, _r, _v) \
510	do { OS_REG_WRITE(_a, _r, _v); OS_DELAY(100); } while (0)
511
512/* wait for the register contents to have the specified value */
513extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
514		uint32_t mask, uint32_t val);
515extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
516		uint32_t mask, uint32_t val, uint32_t timeout);
517
518/* return the first n bits in val reversed */
519extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
520
521/* printf interfaces */
522extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
523		__printflike(2,3);
524extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
525		__printflike(2, 0);
526extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
527
528/* allocate and free memory */
529extern	void *ath_hal_malloc(size_t);
530extern	void ath_hal_free(void *);
531
532/* common debugging interfaces */
533#ifdef AH_DEBUG
534#include "ah_debug.h"
535extern	int ath_hal_debug;	/* Global debug flags */
536
537/*
538 * The typecast is purely because some callers will pass in
539 * AH_NULL directly rather than using a NULL ath_hal pointer.
540 */
541#define	HALDEBUG(_ah, __m, ...) \
542	do {							\
543		if ((__m) == HAL_DEBUG_UNMASKABLE ||		\
544		    ath_hal_debug & (__m) ||			\
545		    ((_ah) != NULL &&				\
546		      ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) {	\
547			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
548		}						\
549	} while(0);
550
551extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
552	__printflike(3,4);
553#else
554#define HALDEBUG(_ah, __m, ...)
555#endif /* AH_DEBUG */
556
557/*
558 * Register logging definitions shared with ardecode.
559 */
560#include "ah_decode.h"
561
562/*
563 * Common assertion interface.  Note: it is a bad idea to generate
564 * an assertion failure for any recoverable event.  Instead catch
565 * the violation and, if possible, fix it up or recover from it; either
566 * with an error return value or a diagnostic messages.  System software
567 * does not panic unless the situation is hopeless.
568 */
569#ifdef AH_ASSERT
570extern	void ath_hal_assert_failed(const char* filename,
571		int lineno, const char* msg);
572
573#define	HALASSERT(_x) do {					\
574	if (!(_x)) {						\
575		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
576	}							\
577} while (0)
578#else
579#define	HALASSERT(_x)
580#endif /* AH_ASSERT */
581
582/*
583 * Regulatory domain support.
584 */
585
586/*
587 * Return the max allowed antenna gain and apply any regulatory
588 * domain specific changes.
589 */
590u_int	ath_hal_getantennareduction(struct ath_hal *ah,
591	    const struct ieee80211_channel *chan, u_int twiceGain);
592
593/*
594 * Return the test group for the specific channel based on
595 * the current regulatory setup.
596 */
597u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
598
599/*
600 * Map a public channel definition to the corresponding
601 * internal data structure.  This implicitly specifies
602 * whether or not the specified channel is ok to use
603 * based on the current regulatory domain constraints.
604 */
605#ifndef AH_DEBUG
606static OS_INLINE HAL_CHANNEL_INTERNAL *
607ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
608{
609	HAL_CHANNEL_INTERNAL *cc;
610
611	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
612	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
613	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
614	return cc;
615}
616#else
617/* NB: non-inline version that checks state */
618HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
619		const struct ieee80211_channel *);
620#endif /* AH_DEBUG */
621
622/*
623 * Return the h/w frequency for a channel.  This may be
624 * different from ic_freq if this is a GSM device that
625 * takes 2.4GHz frequencies and down-converts them.
626 */
627static OS_INLINE uint16_t
628ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
629{
630	return ath_hal_checkchannel(ah, c)->channel;
631}
632
633/*
634 * Convert between microseconds and core system clocks.
635 */
636extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
637extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
638
639/*
640 * Generic get/set capability support.  Each chip overrides
641 * this routine to support chip-specific capabilities.
642 */
643extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
644		HAL_CAPABILITY_TYPE type, uint32_t capability,
645		uint32_t *result);
646extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
647		HAL_CAPABILITY_TYPE type, uint32_t capability,
648		uint32_t setting, HAL_STATUS *status);
649
650/* The diagnostic codes used to be internally defined here -adrian */
651#include "ah_diagcodes.h"
652
653/*
654 * The AR5416 and later HALs have MAC and baseband hang checking.
655 */
656typedef struct {
657	uint32_t hang_reg_offset;
658	uint32_t hang_val;
659	uint32_t hang_mask;
660	uint32_t hang_offset;
661} hal_hw_hang_check_t;
662
663typedef struct {
664	uint32_t dma_dbg_3;
665	uint32_t dma_dbg_4;
666	uint32_t dma_dbg_5;
667	uint32_t dma_dbg_6;
668} mac_dbg_regs_t;
669
670typedef enum {
671	dcu_chain_state		= 0x1,
672	dcu_complete_state	= 0x2,
673	qcu_state		= 0x4,
674	qcu_fsp_ok		= 0x8,
675	qcu_fsp_state		= 0x10,
676	qcu_stitch_state	= 0x20,
677	qcu_fetch_state		= 0x40,
678	qcu_complete_state	= 0x80
679} hal_mac_hangs_t;
680
681typedef struct {
682	int states;
683	uint8_t dcu_chain_state;
684	uint8_t dcu_complete_state;
685	uint8_t qcu_state;
686	uint8_t qcu_fsp_ok;
687	uint8_t qcu_fsp_state;
688	uint8_t qcu_stitch_state;
689	uint8_t qcu_fetch_state;
690	uint8_t qcu_complete_state;
691} hal_mac_hang_check_t;
692
693enum {
694    HAL_BB_HANG_DFS		= 0x0001,
695    HAL_BB_HANG_RIFS		= 0x0002,
696    HAL_BB_HANG_RX_CLEAR	= 0x0004,
697    HAL_BB_HANG_UNKNOWN		= 0x0080,
698
699    HAL_MAC_HANG_SIG1		= 0x0100,
700    HAL_MAC_HANG_SIG2		= 0x0200,
701    HAL_MAC_HANG_UNKNOWN	= 0x8000,
702
703    HAL_BB_HANGS = HAL_BB_HANG_DFS
704		 | HAL_BB_HANG_RIFS
705		 | HAL_BB_HANG_RX_CLEAR
706		 | HAL_BB_HANG_UNKNOWN,
707    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
708		 | HAL_MAC_HANG_SIG2
709		 | HAL_MAC_HANG_UNKNOWN,
710};
711
712/*
713 * Device revision information.
714 */
715typedef struct {
716	uint16_t	ah_devid;		/* PCI device ID */
717	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
718	uint32_t	ah_macVersion;		/* MAC version id */
719	uint16_t	ah_macRev;		/* MAC revision */
720	uint16_t	ah_phyRev;		/* PHY revision */
721	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
722	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
723} HAL_REVS;
724
725/*
726 * Argument payload for HAL_DIAG_SETKEY.
727 */
728typedef struct {
729	HAL_KEYVAL	dk_keyval;
730	uint16_t	dk_keyix;	/* key index */
731	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
732	int		dk_xor;		/* XOR key data */
733} HAL_DIAG_KEYVAL;
734
735/*
736 * Argument payload for HAL_DIAG_EEWRITE.
737 */
738typedef struct {
739	uint16_t	ee_off;		/* eeprom offset */
740	uint16_t	ee_data;	/* write data */
741} HAL_DIAG_EEVAL;
742
743
744typedef struct {
745	u_int offset;		/* reg offset */
746	uint32_t val;		/* reg value  */
747} HAL_DIAG_REGVAL;
748
749/*
750 * 11n compatibility tweaks.
751 */
752#define	HAL_DIAG_11N_SERVICES	0x00000003
753#define	HAL_DIAG_11N_SERVICES_S	0
754#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
755#define	HAL_DIAG_11N_TXSTOMP_S	2
756
757typedef struct {
758	int		maxNoiseImmunityLevel;	/* [0..4] */
759	int		totalSizeDesired[5];
760	int		coarseHigh[5];
761	int		coarseLow[5];
762	int		firpwr[5];
763
764	int		maxSpurImmunityLevel;	/* [0..7] */
765	int		cycPwrThr1[8];
766
767	int		maxFirstepLevel;	/* [0..2] */
768	int		firstep[3];
769
770	uint32_t	ofdmTrigHigh;
771	uint32_t	ofdmTrigLow;
772	int32_t		cckTrigHigh;
773	int32_t		cckTrigLow;
774	int32_t		rssiThrLow;
775	int32_t		rssiThrHigh;
776
777	int		period;			/* update listen period */
778} HAL_ANI_PARAMS;
779
780extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
781			const void *args, uint32_t argsize,
782			void **result, uint32_t *resultsize);
783
784/*
785 * Setup a h/w rate table for use.
786 */
787extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
788
789/*
790 * Common routine for implementing getChanNoise api.
791 */
792int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
793
794/*
795 * Initialization support.
796 */
797typedef struct {
798	const uint32_t	*data;
799	int		rows, cols;
800} HAL_INI_ARRAY;
801
802#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
803	(_ia)->data = (const uint32_t *)(_data);		\
804	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
805	(_ia)->cols = (_cols);					\
806} while (0)
807#define	HAL_INI_VAL(_ia, _r, _c) \
808	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
809
810/*
811 * OS_DELAY() does a PIO READ on the PCI bus which allows
812 * other cards' DMA reads to complete in the middle of our reset.
813 */
814#define DMA_YIELD(x) do {		\
815	if ((++(x) % 64) == 0)		\
816		OS_DELAY(1);		\
817} while (0)
818
819#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
820	int r;								\
821	for (r = 0; r < N(regArray); r++) {				\
822		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
823		DMA_YIELD(regWr);					\
824	}								\
825} while (0)
826
827#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
828	int r;								\
829	for (r = 0; r < N(regArray); r++) {				\
830		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
831		DMA_YIELD(regWr);					\
832	}								\
833} while (0)
834
835extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
836		int col, int regWr);
837extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
838		int col);
839extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
840		const uint32_t data[], int regWr);
841
842#define	CCK_SIFS_TIME		10
843#define	CCK_PREAMBLE_BITS	144
844#define	CCK_PLCP_BITS		48
845
846#define	OFDM_SIFS_TIME		16
847#define	OFDM_PREAMBLE_TIME	20
848#define	OFDM_PLCP_BITS		22
849#define	OFDM_SYMBOL_TIME	4
850
851#define	OFDM_HALF_SIFS_TIME	32
852#define	OFDM_HALF_PREAMBLE_TIME	40
853#define	OFDM_HALF_PLCP_BITS	22
854#define	OFDM_HALF_SYMBOL_TIME	8
855
856#define	OFDM_QUARTER_SIFS_TIME 		64
857#define	OFDM_QUARTER_PREAMBLE_TIME	80
858#define	OFDM_QUARTER_PLCP_BITS		22
859#define	OFDM_QUARTER_SYMBOL_TIME	16
860
861#define	TURBO_SIFS_TIME		8
862#define	TURBO_PREAMBLE_TIME	14
863#define	TURBO_PLCP_BITS		22
864#define	TURBO_SYMBOL_TIME	4
865
866#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
867
868/* Generic EEPROM board value functions */
869extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
870	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
871extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
872	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
873	uint8_t *pRetVpdList);
874extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
875	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
876
877/* Whether 5ghz fast clock is needed */
878/*
879 * The chipset (Merlin, AR9300/later) should set the capability flag below;
880 * this flag simply says that the hardware can do it, not that the EEPROM
881 * says it can.
882 *
883 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock
884 *   if the relevant eeprom flag is set.
885 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock
886 *   by default.
887 */
888#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
889	(IEEE80211_IS_CHAN_5GHZ(_c) && \
890	 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \
891	ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G))
892
893
894#endif /* _ATH_AH_INTERAL_H_ */
895