ah_internal.h revision 229791
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 229791 2012-01-07 20:23:05Z 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,	/* Hardware supports 5ghz fast clock; check eeprom/channel before using */
216			halHasLongRxDescTsf		: 1,
217			halHasBBReadWar			: 1,
218			halSerialiseRegWar		: 1;
219	uint32_t	halWirelessModes;
220	uint16_t	halTotalQueues;
221	uint16_t	halKeyCacheSize;
222	uint16_t	halLow5GhzChan, halHigh5GhzChan;
223	uint16_t	halLow2GhzChan, halHigh2GhzChan;
224	int		halTstampPrecision;
225	int		halRtsAggrLimit;
226	uint8_t		halTxChainMask;
227	uint8_t		halRxChainMask;
228	uint8_t		halNumGpioPins;
229	uint8_t		halNumAntCfg2GHz;
230	uint8_t		halNumAntCfg5GHz;
231	uint32_t	halIntrMask;
232	uint8_t		halTxStreams;
233	uint8_t		halRxStreams;
234} HAL_CAPABILITIES;
235
236struct regDomain;
237
238/*
239 * The ``private area'' follows immediately after the ``public area''
240 * in the data structure returned by ath_hal_attach.  Private data are
241 * used by device-independent code such as the regulatory domain support.
242 * In general, code within the HAL should never depend on data in the
243 * public area.  Instead any public data needed internally should be
244 * shadowed here.
245 *
246 * When declaring a device-specific ath_hal data structure this structure
247 * is assumed to at the front; e.g.
248 *
249 *	struct ath_hal_5212 {
250 *		struct ath_hal_private	ah_priv;
251 *		...
252 *	};
253 *
254 * It might be better to manage the method pointers in this structure
255 * using an indirect pointer to a read-only data structure but this would
256 * disallow class-style method overriding.
257 */
258struct ath_hal_private {
259	struct ath_hal	h;			/* public area */
260
261	/* NB: all methods go first to simplify initialization */
262	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
263				uint16_t channelFlags,
264				uint16_t *lowChannel, uint16_t *highChannel);
265	u_int		(*ah_getWirelessModes)(struct ath_hal*);
266	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
267				uint16_t *data);
268	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
269				uint16_t data);
270	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
271				struct ieee80211_channel *);
272	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
273				const HAL_CHANNEL_INTERNAL*);
274	void		(*ah_getNoiseFloor)(struct ath_hal *,
275				int16_t nfarray[]);
276
277	void		*ah_eeprom;		/* opaque EEPROM state */
278	uint16_t	ah_eeversion;		/* EEPROM version */
279	void		(*ah_eepromDetach)(struct ath_hal *);
280	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
281	HAL_STATUS	(*ah_eepromSet)(struct ath_hal *, int, int);
282	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
283	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
284			    const void *args, uint32_t argsize,
285			    void **result, uint32_t *resultsize);
286
287	/*
288	 * Device revision information.
289	 */
290	uint16_t	ah_devid;		/* PCI device ID */
291	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
292	uint32_t	ah_macVersion;		/* MAC version id */
293	uint16_t	ah_macRev;		/* MAC revision */
294	uint16_t	ah_phyRev;		/* PHY revision */
295	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
296	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
297	uint8_t		ah_ispcie;		/* PCIE, special treatment */
298
299	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
300	const struct ieee80211_channel *ah_curchan;/* operating channel */
301	HAL_CAPABILITIES ah_caps;		/* device capabilities */
302	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
303	int16_t		ah_powerLimit;		/* tx power cap */
304	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
305	u_int		ah_tpScale;		/* tx power scale factor */
306	uint32_t	ah_11nCompat;		/* 11n compat controls */
307
308	/*
309	 * State for regulatory domain handling.
310	 */
311	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
312	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
313	HAL_DFS_DOMAIN	ah_dfsDomain;		/* current DFS domain */
314	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
315	u_int		ah_nchan;		/* valid items in ah_channels */
316	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
317	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
318
319	uint8_t    	ah_coverageClass;   	/* coverage class */
320	/*
321	 * RF Silent handling; setup according to the EEPROM.
322	 */
323	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
324	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
325	/*
326	 * Diagnostic support for discriminating HIUERR reports.
327	 */
328	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
329	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
330};
331
332#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
333
334#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
335	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
336#define	ath_hal_getWirelessModes(_ah) \
337	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
338#define	ath_hal_eepromRead(_ah, _off, _data) \
339	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
340#define	ath_hal_eepromWrite(_ah, _off, _data) \
341	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
342#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
343	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
344#define	ath_hal_gpioCfgInput(_ah, _gpio) \
345	(_ah)->ah_gpioCfgInput(_ah, _gpio)
346#define	ath_hal_gpioGet(_ah, _gpio) \
347	(_ah)->ah_gpioGet(_ah, _gpio)
348#define	ath_hal_gpioSet(_ah, _gpio, _val) \
349	(_ah)->ah_gpioSet(_ah, _gpio, _val)
350#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
351	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
352#define	ath_hal_getpowerlimits(_ah, _chan) \
353	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
354#define ath_hal_getNfAdjust(_ah, _c) \
355	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
356#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
357	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
358#define	ath_hal_configPCIE(_ah, _reset) \
359	(_ah)->ah_configPCIE(_ah, _reset)
360#define	ath_hal_disablePCIE(_ah) \
361	(_ah)->ah_disablePCIE(_ah)
362#define	ath_hal_setInterrupts(_ah, _mask) \
363	(_ah)->ah_setInterrupts(_ah, _mask)
364
365#define	ath_hal_eepromDetach(_ah) do {				\
366	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
367		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
368} while (0)
369#define	ath_hal_eepromGet(_ah, _param, _val) \
370	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
371#define	ath_hal_eepromSet(_ah, _param, _val) \
372	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
373#define	ath_hal_eepromGetFlag(_ah, _param) \
374	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
375#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
376	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
377#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
378	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
379
380#ifndef _NET_IF_IEEE80211_H_
381/*
382 * Stuff that would naturally come from _ieee80211.h
383 */
384#define	IEEE80211_ADDR_LEN		6
385
386#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
387#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
388#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
389
390#define	IEEE80211_CRC_LEN			4
391
392#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
393    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
394#endif /* _NET_IF_IEEE80211_H_ */
395
396#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
397
398#define INIT_AIFS		2
399#define INIT_CWMIN		15
400#define INIT_CWMIN_11B		31
401#define INIT_CWMAX		1023
402#define INIT_SH_RETRY		10
403#define INIT_LG_RETRY		10
404#define INIT_SSH_RETRY		32
405#define INIT_SLG_RETRY		32
406
407typedef struct {
408	uint32_t	tqi_ver;		/* HAL TXQ verson */
409	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
410	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
411	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
412	uint32_t	tqi_priority;
413	uint32_t	tqi_aifs;		/* aifs */
414	uint32_t	tqi_cwmin;		/* cwMin */
415	uint32_t	tqi_cwmax;		/* cwMax */
416	uint16_t	tqi_shretry;		/* frame short retry limit */
417	uint16_t	tqi_lgretry;		/* frame long retry limit */
418	uint32_t	tqi_cbrPeriod;
419	uint32_t	tqi_cbrOverflowLimit;
420	uint32_t	tqi_burstTime;
421	uint32_t	tqi_readyTime;
422	uint32_t	tqi_physCompBuf;
423	uint32_t	tqi_intFlags;		/* flags for internal use */
424} HAL_TX_QUEUE_INFO;
425
426extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
427		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
428extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
429		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
430
431#define	HAL_SPUR_VAL_MASK		0x3FFF
432#define	HAL_SPUR_CHAN_WIDTH		87
433#define	HAL_BIN_WIDTH_BASE_100HZ	3125
434#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
435#define	HAL_MAX_BINS_ALLOWED		28
436
437#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
438#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
439
440#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
441
442/*
443 * Deduce if the host cpu has big- or litt-endian byte order.
444 */
445static __inline__ int
446isBigEndian(void)
447{
448	union {
449		int32_t i;
450		char c[4];
451	} u;
452	u.i = 1;
453	return (u.c[0] == 0);
454}
455
456/* unalligned little endian access */
457#define LE_READ_2(p)							\
458	((uint16_t)							\
459	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
460#define LE_READ_4(p)							\
461	((uint32_t)							\
462	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
463	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
464
465/*
466 * Register manipulation macros that expect bit field defines
467 * to follow the convention that an _S suffix is appended for
468 * a shift count, while the field mask has no suffix.
469 */
470#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
471#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
472#define OS_REG_RMW(_a, _r, _set, _clr)    \
473	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
474#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
475	OS_REG_WRITE(_a, _r, \
476		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
477#define	OS_REG_SET_BIT(_a, _r, _f) \
478	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
479#define	OS_REG_CLR_BIT(_a, _r, _f) \
480	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
481#define OS_REG_IS_BIT_SET(_a, _r, _f) \
482	    ((OS_REG_READ(_a, _r) & (_f)) != 0)
483
484/* Analog register writes may require a delay between each one (eg Merlin?) */
485#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
486	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
487
488/* wait for the register contents to have the specified value */
489extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
490		uint32_t mask, uint32_t val);
491extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
492		uint32_t mask, uint32_t val, uint32_t timeout);
493
494/* return the first n bits in val reversed */
495extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
496
497/* printf interfaces */
498extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
499		__printflike(2,3);
500extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
501		__printflike(2, 0);
502extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
503
504/* allocate and free memory */
505extern	void *ath_hal_malloc(size_t);
506extern	void ath_hal_free(void *);
507
508/* common debugging interfaces */
509#ifdef AH_DEBUG
510#include "ah_debug.h"
511extern	int ath_hal_debug;	/* Global debug flags */
512
513/*
514 * The typecast is purely because some callers will pass in
515 * AH_NULL directly rather than using a NULL ath_hal pointer.
516 */
517#define	HALDEBUG(_ah, __m, ...) \
518	do {							\
519		if ((__m) == HAL_DEBUG_UNMASKABLE ||		\
520		    ath_hal_debug & (__m) ||			\
521		    ((_ah) != NULL &&				\
522		      ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) {	\
523			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
524		}						\
525	} while(0);
526
527extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
528	__printflike(3,4);
529#else
530#define HALDEBUG(_ah, __m, ...)
531#endif /* AH_DEBUG */
532
533/*
534 * Register logging definitions shared with ardecode.
535 */
536#include "ah_decode.h"
537
538/*
539 * Common assertion interface.  Note: it is a bad idea to generate
540 * an assertion failure for any recoverable event.  Instead catch
541 * the violation and, if possible, fix it up or recover from it; either
542 * with an error return value or a diagnostic messages.  System software
543 * does not panic unless the situation is hopeless.
544 */
545#ifdef AH_ASSERT
546extern	void ath_hal_assert_failed(const char* filename,
547		int lineno, const char* msg);
548
549#define	HALASSERT(_x) do {					\
550	if (!(_x)) {						\
551		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
552	}							\
553} while (0)
554#else
555#define	HALASSERT(_x)
556#endif /* AH_ASSERT */
557
558/*
559 * Regulatory domain support.
560 */
561
562/*
563 * Return the max allowed antenna gain and apply any regulatory
564 * domain specific changes.
565 */
566u_int	ath_hal_getantennareduction(struct ath_hal *ah,
567	    const struct ieee80211_channel *chan, u_int twiceGain);
568
569/*
570 * Return the test group for the specific channel based on
571 * the current regulatory setup.
572 */
573u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
574
575/*
576 * Map a public channel definition to the corresponding
577 * internal data structure.  This implicitly specifies
578 * whether or not the specified channel is ok to use
579 * based on the current regulatory domain constraints.
580 */
581#ifndef AH_DEBUG
582static OS_INLINE HAL_CHANNEL_INTERNAL *
583ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
584{
585	HAL_CHANNEL_INTERNAL *cc;
586
587	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
588	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
589	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
590	return cc;
591}
592#else
593/* NB: non-inline version that checks state */
594HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
595		const struct ieee80211_channel *);
596#endif /* AH_DEBUG */
597
598/*
599 * Return the h/w frequency for a channel.  This may be
600 * different from ic_freq if this is a GSM device that
601 * takes 2.4GHz frequencies and down-converts them.
602 */
603static OS_INLINE uint16_t
604ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
605{
606	return ath_hal_checkchannel(ah, c)->channel;
607}
608
609/*
610 * Convert between microseconds and core system clocks.
611 */
612extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
613extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
614
615/*
616 * Generic get/set capability support.  Each chip overrides
617 * this routine to support chip-specific capabilities.
618 */
619extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
620		HAL_CAPABILITY_TYPE type, uint32_t capability,
621		uint32_t *result);
622extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
623		HAL_CAPABILITY_TYPE type, uint32_t capability,
624		uint32_t setting, HAL_STATUS *status);
625
626/* The diagnostic codes used to be internally defined here -adrian */
627#include "ah_diagcodes.h"
628
629enum {
630    HAL_BB_HANG_DFS		= 0x0001,
631    HAL_BB_HANG_RIFS		= 0x0002,
632    HAL_BB_HANG_RX_CLEAR	= 0x0004,
633    HAL_BB_HANG_UNKNOWN		= 0x0080,
634
635    HAL_MAC_HANG_SIG1		= 0x0100,
636    HAL_MAC_HANG_SIG2		= 0x0200,
637    HAL_MAC_HANG_UNKNOWN	= 0x8000,
638
639    HAL_BB_HANGS = HAL_BB_HANG_DFS
640		 | HAL_BB_HANG_RIFS
641		 | HAL_BB_HANG_RX_CLEAR
642		 | HAL_BB_HANG_UNKNOWN,
643    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
644		 | HAL_MAC_HANG_SIG2
645		 | HAL_MAC_HANG_UNKNOWN,
646};
647
648/*
649 * Device revision information.
650 */
651typedef struct {
652	uint16_t	ah_devid;		/* PCI device ID */
653	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
654	uint32_t	ah_macVersion;		/* MAC version id */
655	uint16_t	ah_macRev;		/* MAC revision */
656	uint16_t	ah_phyRev;		/* PHY revision */
657	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
658	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
659} HAL_REVS;
660
661/*
662 * Argument payload for HAL_DIAG_SETKEY.
663 */
664typedef struct {
665	HAL_KEYVAL	dk_keyval;
666	uint16_t	dk_keyix;	/* key index */
667	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
668	int		dk_xor;		/* XOR key data */
669} HAL_DIAG_KEYVAL;
670
671/*
672 * Argument payload for HAL_DIAG_EEWRITE.
673 */
674typedef struct {
675	uint16_t	ee_off;		/* eeprom offset */
676	uint16_t	ee_data;	/* write data */
677} HAL_DIAG_EEVAL;
678
679
680typedef struct {
681	u_int offset;		/* reg offset */
682	uint32_t val;		/* reg value  */
683} HAL_DIAG_REGVAL;
684
685/*
686 * 11n compatibility tweaks.
687 */
688#define	HAL_DIAG_11N_SERVICES	0x00000003
689#define	HAL_DIAG_11N_SERVICES_S	0
690#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
691#define	HAL_DIAG_11N_TXSTOMP_S	2
692
693typedef struct {
694	int		maxNoiseImmunityLevel;	/* [0..4] */
695	int		totalSizeDesired[5];
696	int		coarseHigh[5];
697	int		coarseLow[5];
698	int		firpwr[5];
699
700	int		maxSpurImmunityLevel;	/* [0..7] */
701	int		cycPwrThr1[8];
702
703	int		maxFirstepLevel;	/* [0..2] */
704	int		firstep[3];
705
706	uint32_t	ofdmTrigHigh;
707	uint32_t	ofdmTrigLow;
708	int32_t		cckTrigHigh;
709	int32_t		cckTrigLow;
710	int32_t		rssiThrLow;
711	int32_t		rssiThrHigh;
712
713	int		period;			/* update listen period */
714} HAL_ANI_PARAMS;
715
716extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
717			const void *args, uint32_t argsize,
718			void **result, uint32_t *resultsize);
719
720/*
721 * Setup a h/w rate table for use.
722 */
723extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
724
725/*
726 * Common routine for implementing getChanNoise api.
727 */
728int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
729
730/*
731 * Initialization support.
732 */
733typedef struct {
734	const uint32_t	*data;
735	int		rows, cols;
736} HAL_INI_ARRAY;
737
738#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
739	(_ia)->data = (const uint32_t *)(_data);		\
740	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
741	(_ia)->cols = (_cols);					\
742} while (0)
743#define	HAL_INI_VAL(_ia, _r, _c) \
744	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
745
746/*
747 * OS_DELAY() does a PIO READ on the PCI bus which allows
748 * other cards' DMA reads to complete in the middle of our reset.
749 */
750#define DMA_YIELD(x) do {		\
751	if ((++(x) % 64) == 0)		\
752		OS_DELAY(1);		\
753} while (0)
754
755#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
756	int r;								\
757	for (r = 0; r < N(regArray); r++) {				\
758		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
759		DMA_YIELD(regWr);					\
760	}								\
761} while (0)
762
763#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
764	int r;								\
765	for (r = 0; r < N(regArray); r++) {				\
766		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
767		DMA_YIELD(regWr);					\
768	}								\
769} while (0)
770
771extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
772		int col, int regWr);
773extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
774		int col);
775extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
776		const uint32_t data[], int regWr);
777
778#define	CCK_SIFS_TIME		10
779#define	CCK_PREAMBLE_BITS	144
780#define	CCK_PLCP_BITS		48
781
782#define	OFDM_SIFS_TIME		16
783#define	OFDM_PREAMBLE_TIME	20
784#define	OFDM_PLCP_BITS		22
785#define	OFDM_SYMBOL_TIME	4
786
787#define	OFDM_HALF_SIFS_TIME	32
788#define	OFDM_HALF_PREAMBLE_TIME	40
789#define	OFDM_HALF_PLCP_BITS	22
790#define	OFDM_HALF_SYMBOL_TIME	8
791
792#define	OFDM_QUARTER_SIFS_TIME 		64
793#define	OFDM_QUARTER_PREAMBLE_TIME	80
794#define	OFDM_QUARTER_PLCP_BITS		22
795#define	OFDM_QUARTER_SYMBOL_TIME	16
796
797#define	TURBO_SIFS_TIME		8
798#define	TURBO_PREAMBLE_TIME	14
799#define	TURBO_PLCP_BITS		22
800#define	TURBO_SYMBOL_TIME	4
801
802#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
803
804/* Generic EEPROM board value functions */
805extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
806	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
807extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
808	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
809	uint8_t *pRetVpdList);
810extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
811	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
812
813/* Whether 5ghz fast clock is needed */
814/*
815 * The chipset (Merlin, AR9300/later) should set the capability flag below;
816 * this flag simply says that the hardware can do it, not that the EEPROM
817 * says it can.
818 *
819 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock
820 *   if the relevant eeprom flag is set.
821 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock
822 *   by default.
823 */
824#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
825	(IEEE80211_IS_CHAN_5GHZ(_c) && \
826	 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \
827	ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G))
828
829
830#endif /* _ATH_AH_INTERAL_H_ */
831