ah_internal.h revision 185377
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 1.17 2008/11/10 04:08:00 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 */
70typedef enum {
71	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
72	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
73	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
74	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
75	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
76} HAL_TP_SCALE;
77
78typedef enum {
79 	HAL_CAP_RADAR		= 0,		/* Radar capability */
80 	HAL_CAP_AR		= 1,		/* AR capability */
81} HAL_PHYDIAG_CAPS;
82
83
84/*
85 * Internal form of a HAL_CHANNEL.  Note that the structure
86 * must be defined such that you can cast references to a
87 * HAL_CHANNEL so don't shuffle the first two members.
88 */
89typedef struct {
90	uint32_t	channelFlags;
91	uint16_t	channel;	/* NB: must be first for casting */
92	uint8_t		privFlags;
93	int8_t		maxRegTxPower;
94	int8_t		maxTxPower;
95	int8_t		minTxPower;	/* as above... */
96
97	HAL_BOOL	bssSendHere;
98	uint8_t		gainI;
99	HAL_BOOL	iqCalValid;
100	uint8_t		calValid;		/* bitmask of cal types */
101	int8_t		iCoff;
102	int8_t		qCoff;
103	int16_t		rawNoiseFloor;
104	int16_t		noiseFloorAdjust;
105	int8_t		antennaMax;
106	uint32_t	regDmnFlags;		/* Flags for channel use in reg */
107	uint32_t	conformanceTestLimit;	/* conformance test limit from reg domain */
108	uint16_t	mainSpur;		/* cached spur value for this cahnnel */
109} HAL_CHANNEL_INTERNAL;
110
111typedef struct {
112	uint32_t	halChanSpreadSupport 		: 1,
113			halSleepAfterBeaconBroken	: 1,
114			halCompressSupport		: 1,
115			halBurstSupport			: 1,
116			halFastFramesSupport		: 1,
117			halChapTuningSupport		: 1,
118			halTurboGSupport		: 1,
119			halTurboPrimeSupport		: 1,
120			halMicAesCcmSupport		: 1,
121			halMicCkipSupport		: 1,
122			halMicTkipSupport		: 1,
123			halTkipMicTxRxKeySupport	: 1,
124			halCipherAesCcmSupport		: 1,
125			halCipherCkipSupport		: 1,
126			halCipherTkipSupport		: 1,
127			halPSPollBroken			: 1,
128			halVEOLSupport			: 1,
129			halBssIdMaskSupport		: 1,
130			halMcastKeySrchSupport		: 1,
131			halTsfAddSupport		: 1,
132			halChanHalfRate			: 1,
133			halChanQuarterRate		: 1,
134			halHTSupport			: 1,
135			halRfSilentSupport		: 1,
136			halHwPhyCounterSupport		: 1,
137			halWowSupport			: 1,
138			halWowMatchPatternExact		: 1,
139			halAutoSleepSupport		: 1,
140			halFastCCSupport		: 1,
141			halBtCoexSupport		: 1;
142	uint32_t	halRxStbcSupport		: 1,
143			halTxStbcSupport		: 1,
144			halGTTSupport			: 1,
145			halCSTSupport			: 1,
146			halRifsRxSupport		: 1,
147			halRifsTxSupport		: 1,
148			halExtChanDfsSupport		: 1,
149			halForcePpmSupport		: 1,
150			halEnhancedPmSupport		: 1,
151			halMbssidAggrSupport		: 1;
152	uint32_t	halWirelessModes;
153	uint16_t	halTotalQueues;
154	uint16_t	halKeyCacheSize;
155	uint16_t	halLow5GhzChan, halHigh5GhzChan;
156	uint16_t	halLow2GhzChan, halHigh2GhzChan;
157	int		halTstampPrecision;
158	int		halRtsAggrLimit;
159	uint8_t		halTxChainMask;
160	uint8_t		halRxChainMask;
161	uint8_t		halNumGpioPins;
162	uint8_t		halNumAntCfg2GHz;
163	uint8_t		halNumAntCfg5GHz;
164} HAL_CAPABILITIES;
165
166/*
167 * The ``private area'' follows immediately after the ``public area''
168 * in the data structure returned by ath_hal_attach.
169 */
170struct ath_hal_private {
171	struct ath_hal	h;			/* public area */
172
173	/* NB: all methods go first to simplify initialization */
174	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
175				uint16_t channelFlags,
176				uint16_t *lowChannel, uint16_t *highChannel);
177	u_int		(*ah_getWirelessModes)(struct ath_hal*);
178	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
179				uint16_t *data);
180	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
181				uint16_t data);
182	HAL_BOOL	(*ah_gpioCfgOutput)(struct ath_hal *, uint32_t gpio);
183	HAL_BOOL	(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
184	uint32_t	(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
185	HAL_BOOL	(*ah_gpioSet)(struct ath_hal *,
186				uint32_t gpio, uint32_t val);
187	void		(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
188	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
189				HAL_CHANNEL *, uint32_t);
190	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
191				const HAL_CHANNEL_INTERNAL*);
192
193	void		*ah_eeprom;		/* opaque EEPROM state */
194	uint16_t	ah_eeversion;		/* EEPROM version */
195	void		(*ah_eepromDetach)(struct ath_hal *);
196	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
197	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
198	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
199	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
200			    const void *args, uint32_t argsize,
201			    void **result, uint32_t *resultsize);
202
203	/*
204	 * Device revision information.
205	 */
206	uint16_t	ah_devid;		/* PCI device ID */
207	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
208	uint32_t	ah_macVersion;		/* MAC version id */
209	uint16_t	ah_macRev;		/* MAC revision */
210	uint16_t	ah_phyRev;		/* PHY revision */
211	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
212	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
213
214
215	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
216	HAL_CAPABILITIES ah_caps;		/* device capabilities */
217	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
218	int16_t		ah_powerLimit;		/* tx power cap */
219	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
220	u_int		ah_tpScale;		/* tx power scale factor */
221	uint32_t	ah_11nCompat;		/* 11n compat controls */
222
223	/*
224	 * State for regulatory domain handling.
225	 */
226	HAL_REG_DOMAIN	ah_currentRD;		/* Current regulatory domain */
227	HAL_CTRY_CODE	ah_countryCode;		/* current country code */
228	HAL_CHANNEL_INTERNAL ah_channels[256];	/* calculated channel list */
229	u_int		ah_nchan;		/* valid channels in list */
230	HAL_CHANNEL_INTERNAL *ah_curchan;	/* current channel */
231
232	uint8_t    	ah_coverageClass;   	/* coverage class */
233	HAL_BOOL    	ah_regdomainUpdate;     /* regdomain is updated? */
234	/*
235	 * RF Silent handling; setup according to the EEPROM.
236	 */
237	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
238	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
239	/*
240	 * Diagnostic support for discriminating HIUERR reports.
241	 */
242	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
243	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
244};
245
246#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
247
248#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
249	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
250#define	ath_hal_getWirelessModes(_ah) \
251	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
252#define	ath_hal_eepromRead(_ah, _off, _data) \
253	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
254#define	ath_hal_eepromWrite(_ah, _off, _data) \
255	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
256#define	ath_hal_gpioCfgOutput(_ah, _gpio) \
257	AH_PRIVATE(_ah)->ah_gpioCfgOutput(_ah, _gpio)
258#define	ath_hal_gpioCfgInput(_ah, _gpio) \
259	AH_PRIVATE(_ah)->ah_gpioCfgInput(_ah, _gpio)
260#define	ath_hal_gpioGet(_ah, _gpio) \
261	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio)
262#define	ath_hal_gpioSet(_ah, _gpio, _val) \
263	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio, _val)
264#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
265	AH_PRIVATE(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
266#define	ath_hal_getpowerlimits(_ah, _chans, _nchan) \
267	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chans, _nchan)
268#define ath_hal_getNfAdjust(_ah, _c) \
269	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
270
271#define	ath_hal_eepromDetach(_ah) \
272	AH_PRIVATE(_ah)->ah_eepromDetach(_ah)
273#define	ath_hal_eepromGet(_ah, _param, _val) \
274	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
275#define	ath_hal_eepromSet(_ah, _param, _val) \
276	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
277#define	ath_hal_eepromGetFlag(_ah, _param) \
278	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
279#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
280	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
281#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
282	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
283
284#if !defined(_NET_IF_IEEE80211_H_) && !defined(_NET80211__IEEE80211_H_)
285/*
286 * Stuff that would naturally come from _ieee80211.h
287 */
288#define	IEEE80211_ADDR_LEN		6
289
290#define	IEEE80211_WEP_KEYLEN			5	/* 40bit */
291#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
292#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
293#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
294
295#define	IEEE80211_CRC_LEN			4
296
297#define	IEEE80211_MTU				1500
298#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
299    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
300
301enum {
302	IEEE80211_T_DS,			/* direct sequence spread spectrum */
303	IEEE80211_T_FH,			/* frequency hopping */
304	IEEE80211_T_OFDM,		/* frequency division multiplexing */
305	IEEE80211_T_TURBO,		/* high rate DS */
306	IEEE80211_T_HT,			/* HT - full GI */
307};
308#define	IEEE80211_T_CCK	IEEE80211_T_DS	/* more common nomenclatur */
309#endif /* _NET_IF_IEEE80211_H_ */
310
311/* NB: these are defined privately until XR support is announced */
312enum {
313	ATHEROS_T_XR	= IEEE80211_T_HT+1,	/* extended range */
314};
315
316#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
317
318#define INIT_AIFS		2
319#define INIT_CWMIN		15
320#define INIT_CWMIN_11B		31
321#define INIT_CWMAX		1023
322#define INIT_SH_RETRY		10
323#define INIT_LG_RETRY		10
324#define INIT_SSH_RETRY		32
325#define INIT_SLG_RETRY		32
326
327typedef struct {
328	uint32_t	tqi_ver;		/* HAL TXQ verson */
329	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
330	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
331	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
332	uint32_t	tqi_priority;
333	uint32_t	tqi_aifs;		/* aifs */
334	uint32_t	tqi_cwmin;		/* cwMin */
335	uint32_t	tqi_cwmax;		/* cwMax */
336	uint16_t	tqi_shretry;		/* frame short retry limit */
337	uint16_t	tqi_lgretry;		/* frame long retry limit */
338	uint32_t	tqi_cbrPeriod;
339	uint32_t	tqi_cbrOverflowLimit;
340	uint32_t	tqi_burstTime;
341	uint32_t	tqi_readyTime;
342	uint32_t	tqi_physCompBuf;
343	uint32_t	tqi_intFlags;		/* flags for internal use */
344} HAL_TX_QUEUE_INFO;
345
346extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
347		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
348extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
349		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
350
351typedef enum {
352	HAL_ANI_PRESENT,			/* is ANI support present */
353	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
354	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
355	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
356	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
357	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
358	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
359	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
360} HAL_ANI_CMD;
361
362#define	HAL_SPUR_VAL_MASK		0x3FFF
363#define	HAL_SPUR_CHAN_WIDTH		87
364#define	HAL_BIN_WIDTH_BASE_100HZ	3125
365#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
366#define	HAL_MAX_BINS_ALLOWED		28
367
368/*
369 * A    = 5GHZ|OFDM
370 * T    = 5GHZ|OFDM|TURBO
371 *
372 * IS_CHAN_A(T) will return TRUE.  This is probably
373 * not the default behavior we want.  We should migrate to a better mask --
374 * perhaps CHANNEL_ALL.
375 *
376 * For now, IS_CHAN_G() masks itself with CHANNEL_108G.
377 *
378 */
379
380#define	IS_CHAN_A(_c)	(((_c)->channelFlags & CHANNEL_A) == CHANNEL_A)
381#define	IS_CHAN_B(_c)	(((_c)->channelFlags & CHANNEL_B) == CHANNEL_B)
382#define	IS_CHAN_G(_c)	(((_c)->channelFlags & (CHANNEL_108G|CHANNEL_G)) == CHANNEL_G)
383#define	IS_CHAN_108G(_c)(((_c)->channelFlags & CHANNEL_108G) == CHANNEL_108G)
384#define	IS_CHAN_T(_c)	(((_c)->channelFlags & CHANNEL_T) == CHANNEL_T)
385#define	IS_CHAN_PUREG(_c) \
386	(((_c)->channelFlags & CHANNEL_PUREG) == CHANNEL_PUREG)
387
388#define	IS_CHAN_TURBO(_c)	(((_c)->channelFlags & CHANNEL_TURBO) != 0)
389#define	IS_CHAN_CCK(_c)		(((_c)->channelFlags & CHANNEL_CCK) != 0)
390#define	IS_CHAN_OFDM(_c)	(((_c)->channelFlags & CHANNEL_OFDM) != 0)
391#define	IS_CHAN_5GHZ(_c)	(((_c)->channelFlags & CHANNEL_5GHZ) != 0)
392#define	IS_CHAN_2GHZ(_c)	(((_c)->channelFlags & CHANNEL_2GHZ) != 0)
393#define	IS_CHAN_PASSIVE(_c)	(((_c)->channelFlags & CHANNEL_PASSIVE) != 0)
394#define	IS_CHAN_HALF_RATE(_c)	(((_c)->channelFlags & CHANNEL_HALF) != 0)
395#define	IS_CHAN_QUARTER_RATE(_c) (((_c)->channelFlags & CHANNEL_QUARTER) != 0)
396
397#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
398
399#define	CHANNEL_HT40		(CHANNEL_HT40PLUS | CHANNEL_HT40MINUS)
400#define	CHANNEL_HT		(CHANNEL_HT20 | CHANNEL_HT40)
401#define	IS_CHAN_HT(_c)		(((_c)->channelFlags & CHANNEL_HT) != 0)
402#define	IS_CHAN_HT20(_c)	(((_c)->channelFlags & CHANNEL_HT) == CHANNEL_HT20)
403#define	IS_CHAN_HT40(_c)	(((_c)->channelFlags & CHANNEL_HT40) != 0)
404
405/*
406 * Deduce if the host cpu has big- or litt-endian byte order.
407 */
408static __inline__ int
409isBigEndian(void)
410{
411	union {
412		int32_t i;
413		char c[4];
414	} u;
415	u.i = 1;
416	return (u.c[0] == 0);
417}
418
419/* unalligned little endian access */
420#define LE_READ_2(p)							\
421	((uint16_t)							\
422	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
423#define LE_READ_4(p)							\
424	((uint32_t)							\
425	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
426	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
427
428/*
429 * Register manipulation macros that expect bit field defines
430 * to follow the convention that an _S suffix is appended for
431 * a shift count, while the field mask has no suffix.
432 */
433#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
434#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
435#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
436	OS_REG_WRITE(_a, _r, \
437		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
438#define	OS_REG_SET_BIT(_a, _r, _f) \
439	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
440#define	OS_REG_CLR_BIT(_a, _r, _f) \
441	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
442
443/*
444 * Regulatory domain support.
445 */
446
447/*
448 * Return the max allowed antenna gain based on the current
449 * regulatory domain.
450 */
451extern	u_int ath_hal_getantennareduction(struct ath_hal *,
452		HAL_CHANNEL *, u_int twiceGain);
453/*
454 * Return the test group for the specific channel based on
455 * the current regulator domain.
456 */
457extern	u_int ath_hal_getctl(struct ath_hal *, HAL_CHANNEL *);
458/*
459 * Return whether or not a noise floor check is required
460 * based on the current regulatory domain for the specified
461 * channel.
462 */
463extern	u_int ath_hal_getnfcheckrequired(struct ath_hal *, HAL_CHANNEL *);
464
465/*
466 * Map a public channel definition to the corresponding
467 * internal data structure.  This implicitly specifies
468 * whether or not the specified channel is ok to use
469 * based on the current regulatory domain constraints.
470 */
471extern	HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
472		const HAL_CHANNEL *);
473
474/* system-configurable parameters */
475extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
476extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
477extern	int ath_hal_additional_swba_backoff;	/* in TU's */
478
479/* wait for the register contents to have the specified value */
480extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
481		uint32_t mask, uint32_t val);
482
483/* return the first n bits in val reversed */
484extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
485
486/* printf interfaces */
487extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
488		__printflike(2,3);
489extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
490		__printflike(2, 0);
491extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
492
493/* allocate and free memory */
494extern	void *ath_hal_malloc(size_t);
495extern	void ath_hal_free(void *);
496
497/* common debugging interfaces */
498#ifdef AH_DEBUG
499#include "ah_debug.h"
500extern	int ath_hal_debug;
501extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
502	__printflike(3,4);
503#else
504#define HALDEBUG(_ah, __m, _fmt, ...)
505#endif /* AH_DEBUG */
506
507/*
508 * Register logging definitions shared with ardecode.
509 */
510#include "ah_decode.h"
511
512/*
513 * Common assertion interface.  Note: it is a bad idea to generate
514 * an assertion failure for any recoverable event.  Instead catch
515 * the violation and, if possible, fix it up or recover from it; either
516 * with an error return value or a diagnostic messages.  System software
517 * does not panic unless the situation is hopeless.
518 */
519#ifdef AH_ASSERT
520extern	void ath_hal_assert_failed(const char* filename,
521		int lineno, const char* msg);
522
523#define	HALASSERT(_x) do {					\
524	if (!(_x)) {						\
525		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
526	}							\
527} while (0)
528#else
529#define	HALASSERT(_x)
530#endif /* AH_ASSERT */
531
532/*
533 * Convert between microseconds and core system clocks.
534 */
535extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
536extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
537
538/*
539 * Generic get/set capability support.  Each chip overrides
540 * this routine to support chip-specific capabilities.
541 */
542extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
543		HAL_CAPABILITY_TYPE type, uint32_t capability,
544		uint32_t *result);
545extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
546		HAL_CAPABILITY_TYPE type, uint32_t capability,
547		uint32_t setting, HAL_STATUS *status);
548
549/*
550 * Diagnostic interface.  This is an open-ended interface that
551 * is opaque to applications.  Diagnostic programs use this to
552 * retrieve internal data structures, etc.  There is no guarantee
553 * that calling conventions for calls other than HAL_DIAG_REVS
554 * are stable between HAL releases; a diagnostic application must
555 * use the HAL revision information to deal with ABI/API differences.
556 *
557 * NB: do not renumber these, certain codes are publicly used.
558 */
559enum {
560	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
561	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
562	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
563	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
564	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
565	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
566	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
567	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
568	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
569	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
570	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
571	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
572	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
573	HAL_DIAG_REGS		= 13,	/* Registers */
574	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
575	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
576	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
577	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
578	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
579	/* 19 was HAL_DIAG_TXCONT, 20-23 were for radar */
580	HAL_DIAG_REGREAD        = 24,   /* Reg reads */
581	HAL_DIAG_REGWRITE       = 25,   /* Reg writes */
582	HAL_DIAG_GET_REGBASE    = 26,   /* Get register base */
583	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
584	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
585	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
586	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
587	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
588	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
589};
590
591enum {
592    HAL_BB_HANG_DFS		= 0x0001,
593    HAL_BB_HANG_RIFS		= 0x0002,
594    HAL_BB_HANG_RX_CLEAR	= 0x0004,
595    HAL_BB_HANG_UNKNOWN		= 0x0080,
596
597    HAL_MAC_HANG_SIG1		= 0x0100,
598    HAL_MAC_HANG_SIG2		= 0x0200,
599    HAL_MAC_HANG_UNKNOWN	= 0x8000,
600
601    HAL_BB_HANGS = HAL_BB_HANG_DFS
602		 | HAL_BB_HANG_RIFS
603		 | HAL_BB_HANG_RX_CLEAR
604		 | HAL_BB_HANG_UNKNOWN,
605    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
606		 | HAL_MAC_HANG_SIG2
607		 | HAL_MAC_HANG_UNKNOWN,
608};
609
610/*
611 * Device revision information.
612 */
613typedef struct {
614	uint16_t	ah_devid;		/* PCI device ID */
615	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
616	uint32_t	ah_macVersion;		/* MAC version id */
617	uint16_t	ah_macRev;		/* MAC revision */
618	uint16_t	ah_phyRev;		/* PHY revision */
619	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
620	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
621} HAL_REVS;
622
623/*
624 * Argument payload for HAL_DIAG_SETKEY.
625 */
626typedef struct {
627	HAL_KEYVAL	dk_keyval;
628	uint16_t	dk_keyix;	/* key index */
629	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
630	int		dk_xor;		/* XOR key data */
631} HAL_DIAG_KEYVAL;
632
633/*
634 * Argument payload for HAL_DIAG_EEWRITE.
635 */
636typedef struct {
637	uint16_t	ee_off;		/* eeprom offset */
638	uint16_t	ee_data;	/* write data */
639} HAL_DIAG_EEVAL;
640
641
642typedef struct {
643	u_int offset;		/* reg offset */
644	uint32_t val;		/* reg value  */
645} HAL_DIAG_REGVAL;
646
647/*
648 * 11n compatibility tweaks.
649 */
650#define	HAL_DIAG_11N_SERVICES	0x00000003
651#define	HAL_DIAG_11N_SERVICES_S	0
652#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
653#define	HAL_DIAG_11N_TXSTOMP_S	2
654
655typedef struct {
656	int		maxNoiseImmunityLevel;	/* [0..4] */
657	int		totalSizeDesired[5];
658	int		coarseHigh[5];
659	int		coarseLow[5];
660	int		firpwr[5];
661
662	int		maxSpurImmunityLevel;	/* [0..7] */
663	int		cycPwrThr1[8];
664
665	int		maxFirstepLevel;	/* [0..2] */
666	int		firstep[3];
667
668	uint32_t	ofdmTrigHigh;
669	uint32_t	ofdmTrigLow;
670	int32_t		cckTrigHigh;
671	int32_t		cckTrigLow;
672	int32_t		rssiThrLow;
673	int32_t		rssiThrHigh;
674
675	int		period;			/* update listen period */
676} HAL_ANI_PARAMS;
677
678extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
679			const void *args, uint32_t argsize,
680			void **result, uint32_t *resultsize);
681
682/*
683 * Setup a h/w rate table for use.
684 */
685extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
686
687/*
688 * Common routine for implementing getChanNoise api.
689 */
690extern	int16_t ath_hal_getChanNoise(struct ath_hal *ah, HAL_CHANNEL *chan);
691
692/*
693 * Initialization support.
694 */
695typedef struct {
696	const uint32_t	*data;
697	int		rows, cols;
698} HAL_INI_ARRAY;
699
700#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
701	(_ia)->data = (const uint32_t *)(_data);		\
702	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
703	(_ia)->cols = (_cols);					\
704} while (0)
705#define	HAL_INI_VAL(_ia, _r, _c) \
706	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
707
708/*
709 * OS_DELAY() does a PIO READ on the PCI bus which allows
710 * other cards' DMA reads to complete in the middle of our reset.
711 */
712#define DMA_YIELD(x) do {		\
713	if ((++(x) % 64) == 0)		\
714		OS_DELAY(1);		\
715} while (0)
716
717#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
718	int r;								\
719	for (r = 0; r < N(regArray); r++) {				\
720		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
721		DMA_YIELD(regWr);					\
722	}								\
723} while (0)
724
725#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
726	int r;								\
727	for (r = 0; r < N(regArray); r++) {				\
728		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
729		DMA_YIELD(regWr);					\
730	}								\
731} while (0)
732
733extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
734		int col, int regWr);
735extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
736		int col);
737extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
738		const uint32_t data[], int regWr);
739
740#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
741#endif /* _ATH_AH_INTERAL_H_ */
742