xref: /freebsd/sys/dev/ath/ath_hal/ah_internal.h (revision 39beb93c)
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  * $FreeBSD$
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 
32 #ifndef NBBY
33 #define	NBBY	8			/* number of bits/byte */
34 #endif
35 
36 #ifndef roundup
37 #define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))  /* to any y */
38 #endif
39 #ifndef howmany
40 #define	howmany(x, y)	(((x)+((y)-1))/(y))
41 #endif
42 
43 #ifndef offsetof
44 #define	offsetof(type, field)	((size_t)(&((type *)0)->field))
45 #endif
46 
47 typedef struct {
48 	uint16_t	start;		/* first register */
49 	uint16_t	end;		/* ending register or zero */
50 } HAL_REGRANGE;
51 
52 typedef struct {
53 	uint32_t	addr;		/* regiser address/offset */
54 	uint32_t	value;		/* value to write */
55 } HAL_REGWRITE;
56 
57 /*
58  * Transmit power scale factor.
59  *
60  * NB: This is not public because we want to discourage the use of
61  *     scaling; folks should use the tx power limit interface.
62  */
63 typedef enum {
64 	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
65 	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
66 	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
67 	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
68 	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
69 } HAL_TP_SCALE;
70 
71 typedef enum {
72  	HAL_CAP_RADAR		= 0,		/* Radar capability */
73  	HAL_CAP_AR		= 1,		/* AR capability */
74 } HAL_PHYDIAG_CAPS;
75 
76 /*
77  * Each chip or class of chips registers to offer support.
78  */
79 struct ath_hal_chip {
80 	const char	*name;
81 	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
82 	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
83 			    HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *error);
84 };
85 #ifndef AH_CHIP
86 #define	AH_CHIP(_name, _probe, _attach)				\
87 static struct ath_hal_chip _name##_chip = {			\
88 	.name		= #_name,				\
89 	.probe		= _probe,				\
90 	.attach		= _attach				\
91 };								\
92 OS_DATA_SET(ah_chips, _name##_chip)
93 #endif
94 
95 /*
96  * Each RF backend registers to offer support; this is mostly
97  * used by multi-chip 5212 solutions.  Single-chip solutions
98  * have a fixed idea about which RF to use.
99  */
100 struct ath_hal_rf {
101 	const char	*name;
102 	HAL_BOOL	(*probe)(struct ath_hal *ah);
103 	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
104 };
105 #ifndef AH_RF
106 #define	AH_RF(_name, _probe, _attach)				\
107 static struct ath_hal_rf _name##_rf = {				\
108 	.name		= __STRING(_name),			\
109 	.probe		= _probe,				\
110 	.attach		= _attach				\
111 };								\
112 OS_DATA_SET(ah_rfs, _name##_rf)
113 #endif
114 
115 struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
116 
117 /*
118  * Maximum number of internal channels.  Entries are per unique
119  * frequency so this might be need to be increased to handle all
120  * usage cases; typically no more than 32 are really needed but
121  * dynamically allocating the data structures is a bit painful
122  * right now.
123  */
124 #ifndef AH_MAXCHAN
125 #define	AH_MAXCHAN	96
126 #endif
127 
128 /*
129  * Internal per-channel state.  These are found
130  * using ic_devdata in the ieee80211_channel.
131  */
132 typedef struct {
133 	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
134 	uint8_t		privFlags;
135 #define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
136 #define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
137 #define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
138 	uint8_t		calValid;	/* bitmask of cal types */
139 	int8_t		iCoff;
140 	int8_t		qCoff;
141 	int16_t		rawNoiseFloor;
142 	int16_t		noiseFloorAdjust;
143 	uint16_t	mainSpur;	/* cached spur value for this channel */
144 } HAL_CHANNEL_INTERNAL;
145 
146 /* channel requires noise floor check */
147 #define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
148 
149 /* all full-width channels */
150 #define	IEEE80211_CHAN_ALLFULL \
151 	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
152 #define	IEEE80211_CHAN_ALLTURBOFULL \
153 	(IEEE80211_CHAN_ALLTURBO - \
154 	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
155 
156 typedef struct {
157 	uint32_t	halChanSpreadSupport 		: 1,
158 			halSleepAfterBeaconBroken	: 1,
159 			halCompressSupport		: 1,
160 			halBurstSupport			: 1,
161 			halFastFramesSupport		: 1,
162 			halChapTuningSupport		: 1,
163 			halTurboGSupport		: 1,
164 			halTurboPrimeSupport		: 1,
165 			halMicAesCcmSupport		: 1,
166 			halMicCkipSupport		: 1,
167 			halMicTkipSupport		: 1,
168 			halTkipMicTxRxKeySupport	: 1,
169 			halCipherAesCcmSupport		: 1,
170 			halCipherCkipSupport		: 1,
171 			halCipherTkipSupport		: 1,
172 			halPSPollBroken			: 1,
173 			halVEOLSupport			: 1,
174 			halBssIdMaskSupport		: 1,
175 			halMcastKeySrchSupport		: 1,
176 			halTsfAddSupport		: 1,
177 			halChanHalfRate			: 1,
178 			halChanQuarterRate		: 1,
179 			halHTSupport			: 1,
180 			halRfSilentSupport		: 1,
181 			halHwPhyCounterSupport		: 1,
182 			halWowSupport			: 1,
183 			halWowMatchPatternExact		: 1,
184 			halAutoSleepSupport		: 1,
185 			halFastCCSupport		: 1,
186 			halBtCoexSupport		: 1;
187 	uint32_t	halRxStbcSupport		: 1,
188 			halTxStbcSupport		: 1,
189 			halGTTSupport			: 1,
190 			halCSTSupport			: 1,
191 			halRifsRxSupport		: 1,
192 			halRifsTxSupport		: 1,
193 			halExtChanDfsSupport		: 1,
194 			halForcePpmSupport		: 1,
195 			halEnhancedPmSupport		: 1,
196 			halMbssidAggrSupport		: 1;
197 	uint32_t	halWirelessModes;
198 	uint16_t	halTotalQueues;
199 	uint16_t	halKeyCacheSize;
200 	uint16_t	halLow5GhzChan, halHigh5GhzChan;
201 	uint16_t	halLow2GhzChan, halHigh2GhzChan;
202 	int		halTstampPrecision;
203 	int		halRtsAggrLimit;
204 	uint8_t		halTxChainMask;
205 	uint8_t		halRxChainMask;
206 	uint8_t		halNumGpioPins;
207 	uint8_t		halNumAntCfg2GHz;
208 	uint8_t		halNumAntCfg5GHz;
209 } HAL_CAPABILITIES;
210 
211 struct regDomain;
212 
213 /*
214  * The ``private area'' follows immediately after the ``public area''
215  * in the data structure returned by ath_hal_attach.  Private data are
216  * used by device-independent code such as the regulatory domain support.
217  * In general, code within the HAL should never depend on data in the
218  * public area.  Instead any public data needed internally should be
219  * shadowed here.
220  *
221  * When declaring a device-specific ath_hal data structure this structure
222  * is assumed to at the front; e.g.
223  *
224  *	struct ath_hal_5212 {
225  *		struct ath_hal_private	ah_priv;
226  *		...
227  *	};
228  *
229  * It might be better to manage the method pointers in this structure
230  * using an indirect pointer to a read-only data structure but this would
231  * disallow class-style method overriding.
232  */
233 struct ath_hal_private {
234 	struct ath_hal	h;			/* public area */
235 
236 	/* NB: all methods go first to simplify initialization */
237 	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
238 				uint16_t channelFlags,
239 				uint16_t *lowChannel, uint16_t *highChannel);
240 	u_int		(*ah_getWirelessModes)(struct ath_hal*);
241 	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
242 				uint16_t *data);
243 	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
244 				uint16_t data);
245 	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
246 				struct ieee80211_channel *);
247 	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
248 				const HAL_CHANNEL_INTERNAL*);
249 	void		(*ah_getNoiseFloor)(struct ath_hal *,
250 				int16_t nfarray[]);
251 
252 	void		*ah_eeprom;		/* opaque EEPROM state */
253 	uint16_t	ah_eeversion;		/* EEPROM version */
254 	void		(*ah_eepromDetach)(struct ath_hal *);
255 	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
256 	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
257 	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
258 	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
259 			    const void *args, uint32_t argsize,
260 			    void **result, uint32_t *resultsize);
261 
262 	/*
263 	 * Device revision information.
264 	 */
265 	uint16_t	ah_devid;		/* PCI device ID */
266 	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
267 	uint32_t	ah_macVersion;		/* MAC version id */
268 	uint16_t	ah_macRev;		/* MAC revision */
269 	uint16_t	ah_phyRev;		/* PHY revision */
270 	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
271 	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
272 	uint8_t		ah_ispcie;		/* PCIE, special treatment */
273 
274 	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
275 	const struct ieee80211_channel *ah_curchan;/* operating channel */
276 	HAL_CAPABILITIES ah_caps;		/* device capabilities */
277 	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
278 	int16_t		ah_powerLimit;		/* tx power cap */
279 	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
280 	u_int		ah_tpScale;		/* tx power scale factor */
281 	uint32_t	ah_11nCompat;		/* 11n compat controls */
282 
283 	/*
284 	 * State for regulatory domain handling.
285 	 */
286 	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
287 	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
288 	u_int		ah_nchan;		/* valid items in ah_channels */
289 	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
290 	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
291 
292 	uint8_t    	ah_coverageClass;   	/* coverage class */
293 	/*
294 	 * RF Silent handling; setup according to the EEPROM.
295 	 */
296 	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
297 	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
298 	/*
299 	 * Diagnostic support for discriminating HIUERR reports.
300 	 */
301 	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
302 	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
303 };
304 
305 #define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
306 
307 #define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
308 	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
309 #define	ath_hal_getWirelessModes(_ah) \
310 	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
311 #define	ath_hal_eepromRead(_ah, _off, _data) \
312 	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
313 #define	ath_hal_eepromWrite(_ah, _off, _data) \
314 	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
315 #define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
316 	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
317 #define	ath_hal_gpioCfgInput(_ah, _gpio) \
318 	(_ah)->ah_gpioCfgInput(_ah, _gpio)
319 #define	ath_hal_gpioGet(_ah, _gpio) \
320 	(_ah)->ah_gpioGet(_ah, _gpio)
321 #define	ath_hal_gpioSet(_ah, _gpio, _val) \
322 	(_ah)->ah_gpioSet(_ah, _gpio, _val)
323 #define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
324 	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
325 #define	ath_hal_getpowerlimits(_ah, _chan) \
326 	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
327 #define ath_hal_getNfAdjust(_ah, _c) \
328 	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
329 #define	ath_hal_getNoiseFloor(_ah, _nfArray) \
330 	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
331 #define	ath_hal_configPCIE(_ah, _reset) \
332 	(_ah)->ah_configPCIE(_ah, _reset)
333 #define	ath_hal_disablePCIE(_ah) \
334 	(_ah)->ah_disablePCIE(_ah)
335 
336 #define	ath_hal_eepromDetach(_ah) \
337 	AH_PRIVATE(_ah)->ah_eepromDetach(_ah)
338 #define	ath_hal_eepromGet(_ah, _param, _val) \
339 	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
340 #define	ath_hal_eepromSet(_ah, _param, _val) \
341 	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
342 #define	ath_hal_eepromGetFlag(_ah, _param) \
343 	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
344 #define ath_hal_getSpurChan(_ah, _ix, _is2G) \
345 	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
346 #define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
347 	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
348 
349 #ifndef _NET_IF_IEEE80211_H_
350 /*
351  * Stuff that would naturally come from _ieee80211.h
352  */
353 #define	IEEE80211_ADDR_LEN		6
354 
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_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
362     (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
363 #endif /* _NET_IF_IEEE80211_H_ */
364 
365 #define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
366 
367 #define INIT_AIFS		2
368 #define INIT_CWMIN		15
369 #define INIT_CWMIN_11B		31
370 #define INIT_CWMAX		1023
371 #define INIT_SH_RETRY		10
372 #define INIT_LG_RETRY		10
373 #define INIT_SSH_RETRY		32
374 #define INIT_SLG_RETRY		32
375 
376 typedef struct {
377 	uint32_t	tqi_ver;		/* HAL TXQ verson */
378 	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
379 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
380 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
381 	uint32_t	tqi_priority;
382 	uint32_t	tqi_aifs;		/* aifs */
383 	uint32_t	tqi_cwmin;		/* cwMin */
384 	uint32_t	tqi_cwmax;		/* cwMax */
385 	uint16_t	tqi_shretry;		/* frame short retry limit */
386 	uint16_t	tqi_lgretry;		/* frame long retry limit */
387 	uint32_t	tqi_cbrPeriod;
388 	uint32_t	tqi_cbrOverflowLimit;
389 	uint32_t	tqi_burstTime;
390 	uint32_t	tqi_readyTime;
391 	uint32_t	tqi_physCompBuf;
392 	uint32_t	tqi_intFlags;		/* flags for internal use */
393 } HAL_TX_QUEUE_INFO;
394 
395 extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
396 		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
397 extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
398 		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
399 
400 typedef enum {
401 	HAL_ANI_PRESENT,			/* is ANI support present */
402 	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
403 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
404 	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
405 	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
406 	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
407 	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
408 	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
409 } HAL_ANI_CMD;
410 
411 #define	HAL_SPUR_VAL_MASK		0x3FFF
412 #define	HAL_SPUR_CHAN_WIDTH		87
413 #define	HAL_BIN_WIDTH_BASE_100HZ	3125
414 #define	HAL_BIN_WIDTH_TURBO_100HZ	6250
415 #define	HAL_MAX_BINS_ALLOWED		28
416 
417 #define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
418 #define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
419 
420 #define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
421 
422 /*
423  * Deduce if the host cpu has big- or litt-endian byte order.
424  */
425 static __inline__ int
426 isBigEndian(void)
427 {
428 	union {
429 		int32_t i;
430 		char c[4];
431 	} u;
432 	u.i = 1;
433 	return (u.c[0] == 0);
434 }
435 
436 /* unalligned little endian access */
437 #define LE_READ_2(p)							\
438 	((uint16_t)							\
439 	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
440 #define LE_READ_4(p)							\
441 	((uint32_t)							\
442 	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
443 	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
444 
445 /*
446  * Register manipulation macros that expect bit field defines
447  * to follow the convention that an _S suffix is appended for
448  * a shift count, while the field mask has no suffix.
449  */
450 #define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
451 #define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
452 #define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
453 	OS_REG_WRITE(_a, _r, \
454 		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
455 #define	OS_REG_SET_BIT(_a, _r, _f) \
456 	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
457 #define	OS_REG_CLR_BIT(_a, _r, _f) \
458 	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
459 
460 /* system-configurable parameters */
461 extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
462 extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
463 extern	int ath_hal_additional_swba_backoff;	/* in TU's */
464 
465 /* wait for the register contents to have the specified value */
466 extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
467 		uint32_t mask, uint32_t val);
468 
469 /* return the first n bits in val reversed */
470 extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
471 
472 /* printf interfaces */
473 extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
474 		__printflike(2,3);
475 extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
476 		__printflike(2, 0);
477 extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
478 
479 /* allocate and free memory */
480 extern	void *ath_hal_malloc(size_t);
481 extern	void ath_hal_free(void *);
482 
483 /* common debugging interfaces */
484 #ifdef AH_DEBUG
485 #include "ah_debug.h"
486 extern	int ath_hal_debug;
487 extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
488 	__printflike(3,4);
489 #else
490 #define HALDEBUG(_ah, __m, _fmt, ...)
491 #endif /* AH_DEBUG */
492 
493 /*
494  * Register logging definitions shared with ardecode.
495  */
496 #include "ah_decode.h"
497 
498 /*
499  * Common assertion interface.  Note: it is a bad idea to generate
500  * an assertion failure for any recoverable event.  Instead catch
501  * the violation and, if possible, fix it up or recover from it; either
502  * with an error return value or a diagnostic messages.  System software
503  * does not panic unless the situation is hopeless.
504  */
505 #ifdef AH_ASSERT
506 extern	void ath_hal_assert_failed(const char* filename,
507 		int lineno, const char* msg);
508 
509 #define	HALASSERT(_x) do {					\
510 	if (!(_x)) {						\
511 		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
512 	}							\
513 } while (0)
514 #else
515 #define	HALASSERT(_x)
516 #endif /* AH_ASSERT */
517 
518 /*
519  * Regulatory domain support.
520  */
521 
522 /*
523  * Return the max allowed antenna gain and apply any regulatory
524  * domain specific changes.
525  */
526 u_int	ath_hal_getantennareduction(struct ath_hal *ah,
527 	    const struct ieee80211_channel *chan, u_int twiceGain);
528 
529 /*
530  * Return the test group for the specific channel based on
531  * the current regulatory setup.
532  */
533 u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
534 
535 /*
536  * Map a public channel definition to the corresponding
537  * internal data structure.  This implicitly specifies
538  * whether or not the specified channel is ok to use
539  * based on the current regulatory domain constraints.
540  */
541 #ifndef AH_DEBUG
542 static OS_INLINE HAL_CHANNEL_INTERNAL *
543 ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
544 {
545 	HAL_CHANNEL_INTERNAL *cc;
546 
547 	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
548 	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
549 	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
550 	return cc;
551 }
552 #else
553 /* NB: non-inline version that checks state */
554 HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
555 		const struct ieee80211_channel *);
556 #endif /* AH_DEBUG */
557 
558 /*
559  * Return the h/w frequency for a channel.  This may be
560  * different from ic_freq if this is a GSM device that
561  * takes 2.4GHz frequencies and down-converts them.
562  */
563 static OS_INLINE uint16_t
564 ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
565 {
566 	return ath_hal_checkchannel(ah, c)->channel;
567 }
568 
569 /*
570  * Convert between microseconds and core system clocks.
571  */
572 extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
573 extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
574 
575 /*
576  * Generic get/set capability support.  Each chip overrides
577  * this routine to support chip-specific capabilities.
578  */
579 extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
580 		HAL_CAPABILITY_TYPE type, uint32_t capability,
581 		uint32_t *result);
582 extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
583 		HAL_CAPABILITY_TYPE type, uint32_t capability,
584 		uint32_t setting, HAL_STATUS *status);
585 
586 /*
587  * Diagnostic interface.  This is an open-ended interface that
588  * is opaque to applications.  Diagnostic programs use this to
589  * retrieve internal data structures, etc.  There is no guarantee
590  * that calling conventions for calls other than HAL_DIAG_REVS
591  * are stable between HAL releases; a diagnostic application must
592  * use the HAL revision information to deal with ABI/API differences.
593  *
594  * NB: do not renumber these, certain codes are publicly used.
595  */
596 enum {
597 	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
598 	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
599 	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
600 	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
601 	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
602 	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
603 	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
604 	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
605 	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
606 	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
607 	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
608 	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
609 	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
610 	HAL_DIAG_REGS		= 13,	/* Registers */
611 	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
612 	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
613 	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
614 	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
615 	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
616 	/* 19-26 removed, do not reuse */
617 	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
618 	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
619 	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
620 	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
621 	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
622 	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
623 	HAL_DIAG_SETREGS	= 33,	/* write registers */
624 };
625 
626 enum {
627     HAL_BB_HANG_DFS		= 0x0001,
628     HAL_BB_HANG_RIFS		= 0x0002,
629     HAL_BB_HANG_RX_CLEAR	= 0x0004,
630     HAL_BB_HANG_UNKNOWN		= 0x0080,
631 
632     HAL_MAC_HANG_SIG1		= 0x0100,
633     HAL_MAC_HANG_SIG2		= 0x0200,
634     HAL_MAC_HANG_UNKNOWN	= 0x8000,
635 
636     HAL_BB_HANGS = HAL_BB_HANG_DFS
637 		 | HAL_BB_HANG_RIFS
638 		 | HAL_BB_HANG_RX_CLEAR
639 		 | HAL_BB_HANG_UNKNOWN,
640     HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
641 		 | HAL_MAC_HANG_SIG2
642 		 | HAL_MAC_HANG_UNKNOWN,
643 };
644 
645 /*
646  * Device revision information.
647  */
648 typedef struct {
649 	uint16_t	ah_devid;		/* PCI device ID */
650 	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
651 	uint32_t	ah_macVersion;		/* MAC version id */
652 	uint16_t	ah_macRev;		/* MAC revision */
653 	uint16_t	ah_phyRev;		/* PHY revision */
654 	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
655 	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
656 } HAL_REVS;
657 
658 /*
659  * Argument payload for HAL_DIAG_SETKEY.
660  */
661 typedef struct {
662 	HAL_KEYVAL	dk_keyval;
663 	uint16_t	dk_keyix;	/* key index */
664 	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
665 	int		dk_xor;		/* XOR key data */
666 } HAL_DIAG_KEYVAL;
667 
668 /*
669  * Argument payload for HAL_DIAG_EEWRITE.
670  */
671 typedef struct {
672 	uint16_t	ee_off;		/* eeprom offset */
673 	uint16_t	ee_data;	/* write data */
674 } HAL_DIAG_EEVAL;
675 
676 
677 typedef struct {
678 	u_int offset;		/* reg offset */
679 	uint32_t val;		/* reg value  */
680 } HAL_DIAG_REGVAL;
681 
682 /*
683  * 11n compatibility tweaks.
684  */
685 #define	HAL_DIAG_11N_SERVICES	0x00000003
686 #define	HAL_DIAG_11N_SERVICES_S	0
687 #define	HAL_DIAG_11N_TXSTOMP	0x0000000c
688 #define	HAL_DIAG_11N_TXSTOMP_S	2
689 
690 typedef struct {
691 	int		maxNoiseImmunityLevel;	/* [0..4] */
692 	int		totalSizeDesired[5];
693 	int		coarseHigh[5];
694 	int		coarseLow[5];
695 	int		firpwr[5];
696 
697 	int		maxSpurImmunityLevel;	/* [0..7] */
698 	int		cycPwrThr1[8];
699 
700 	int		maxFirstepLevel;	/* [0..2] */
701 	int		firstep[3];
702 
703 	uint32_t	ofdmTrigHigh;
704 	uint32_t	ofdmTrigLow;
705 	int32_t		cckTrigHigh;
706 	int32_t		cckTrigLow;
707 	int32_t		rssiThrLow;
708 	int32_t		rssiThrHigh;
709 
710 	int		period;			/* update listen period */
711 } HAL_ANI_PARAMS;
712 
713 extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
714 			const void *args, uint32_t argsize,
715 			void **result, uint32_t *resultsize);
716 
717 /*
718  * Setup a h/w rate table for use.
719  */
720 extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
721 
722 /*
723  * Common routine for implementing getChanNoise api.
724  */
725 int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
726 
727 /*
728  * Initialization support.
729  */
730 typedef struct {
731 	const uint32_t	*data;
732 	int		rows, cols;
733 } HAL_INI_ARRAY;
734 
735 #define	HAL_INI_INIT(_ia, _data, _cols) do {			\
736 	(_ia)->data = (const uint32_t *)(_data);		\
737 	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
738 	(_ia)->cols = (_cols);					\
739 } while (0)
740 #define	HAL_INI_VAL(_ia, _r, _c) \
741 	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
742 
743 /*
744  * OS_DELAY() does a PIO READ on the PCI bus which allows
745  * other cards' DMA reads to complete in the middle of our reset.
746  */
747 #define DMA_YIELD(x) do {		\
748 	if ((++(x) % 64) == 0)		\
749 		OS_DELAY(1);		\
750 } while (0)
751 
752 #define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
753 	int r;								\
754 	for (r = 0; r < N(regArray); r++) {				\
755 		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
756 		DMA_YIELD(regWr);					\
757 	}								\
758 } while (0)
759 
760 #define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
761 	int r;								\
762 	for (r = 0; r < N(regArray); r++) {				\
763 		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
764 		DMA_YIELD(regWr);					\
765 	}								\
766 } while (0)
767 
768 extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
769 		int col, int regWr);
770 extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
771 		int col);
772 extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
773 		const uint32_t data[], int regWr);
774 
775 #define	CCK_SIFS_TIME		10
776 #define	CCK_PREAMBLE_BITS	144
777 #define	CCK_PLCP_BITS		48
778 
779 #define	OFDM_SIFS_TIME		16
780 #define	OFDM_PREAMBLE_TIME	20
781 #define	OFDM_PLCP_BITS		22
782 #define	OFDM_SYMBOL_TIME	4
783 
784 #define	OFDM_HALF_SIFS_TIME	32
785 #define	OFDM_HALF_PREAMBLE_TIME	40
786 #define	OFDM_HALF_PLCP_BITS	22
787 #define	OFDM_HALF_SYMBOL_TIME	8
788 
789 #define	OFDM_QUARTER_SIFS_TIME 		64
790 #define	OFDM_QUARTER_PREAMBLE_TIME	80
791 #define	OFDM_QUARTER_PLCP_BITS		22
792 #define	OFDM_QUARTER_SYMBOL_TIME	16
793 
794 #define	TURBO_SIFS_TIME		8
795 #define	TURBO_PREAMBLE_TIME	14
796 #define	TURBO_PLCP_BITS		22
797 #define	TURBO_SYMBOL_TIME	4
798 
799 #define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
800 #endif /* _ATH_AH_INTERAL_H_ */
801