ah_internal.h revision 217624
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 217624 2011-01-20 07:56:09Z 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
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
47typedef struct {
48	uint16_t	start;		/* first register */
49	uint16_t	end;		/* ending register or zero */
50} HAL_REGRANGE;
51
52typedef 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 */
63typedef 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
71typedef 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 */
79struct 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, uint16_t *eepromdata,
84			    HAL_STATUS *error);
85};
86#ifndef AH_CHIP
87#define	AH_CHIP(_name, _probe, _attach)				\
88static struct ath_hal_chip _name##_chip = {			\
89	.name		= #_name,				\
90	.probe		= _probe,				\
91	.attach		= _attach				\
92};								\
93OS_DATA_SET(ah_chips, _name##_chip)
94#endif
95
96/*
97 * Each RF backend registers to offer support; this is mostly
98 * used by multi-chip 5212 solutions.  Single-chip solutions
99 * have a fixed idea about which RF to use.
100 */
101struct ath_hal_rf {
102	const char	*name;
103	HAL_BOOL	(*probe)(struct ath_hal *ah);
104	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
105};
106#ifndef AH_RF
107#define	AH_RF(_name, _probe, _attach)				\
108static struct ath_hal_rf _name##_rf = {				\
109	.name		= __STRING(_name),			\
110	.probe		= _probe,				\
111	.attach		= _attach				\
112};								\
113OS_DATA_SET(ah_rfs, _name##_rf)
114#endif
115
116struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
117
118/*
119 * Maximum number of internal channels.  Entries are per unique
120 * frequency so this might be need to be increased to handle all
121 * usage cases; typically no more than 32 are really needed but
122 * dynamically allocating the data structures is a bit painful
123 * right now.
124 */
125#ifndef AH_MAXCHAN
126#define	AH_MAXCHAN	96
127#endif
128
129/*
130 * Internal per-channel state.  These are found
131 * using ic_devdata in the ieee80211_channel.
132 */
133typedef struct {
134	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
135	uint8_t		privFlags;
136#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
137#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
138#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
139	uint8_t		calValid;	/* bitmask of cal types */
140	int8_t		iCoff;
141	int8_t		qCoff;
142	int16_t		rawNoiseFloor;
143	int16_t		noiseFloorAdjust;
144	uint16_t	mainSpur;	/* cached spur value for this channel */
145} HAL_CHANNEL_INTERNAL;
146
147/* channel requires noise floor check */
148#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
149
150/* all full-width channels */
151#define	IEEE80211_CHAN_ALLFULL \
152	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
153#define	IEEE80211_CHAN_ALLTURBOFULL \
154	(IEEE80211_CHAN_ALLTURBO - \
155	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
156
157typedef struct {
158	uint32_t	halChanSpreadSupport 		: 1,
159			halSleepAfterBeaconBroken	: 1,
160			halCompressSupport		: 1,
161			halBurstSupport			: 1,
162			halFastFramesSupport		: 1,
163			halChapTuningSupport		: 1,
164			halTurboGSupport		: 1,
165			halTurboPrimeSupport		: 1,
166			halMicAesCcmSupport		: 1,
167			halMicCkipSupport		: 1,
168			halMicTkipSupport		: 1,
169			halTkipMicTxRxKeySupport	: 1,
170			halCipherAesCcmSupport		: 1,
171			halCipherCkipSupport		: 1,
172			halCipherTkipSupport		: 1,
173			halPSPollBroken			: 1,
174			halVEOLSupport			: 1,
175			halBssIdMaskSupport		: 1,
176			halMcastKeySrchSupport		: 1,
177			halTsfAddSupport		: 1,
178			halChanHalfRate			: 1,
179			halChanQuarterRate		: 1,
180			halHTSupport			: 1,
181			halRfSilentSupport		: 1,
182			halHwPhyCounterSupport		: 1,
183			halWowSupport			: 1,
184			halWowMatchPatternExact		: 1,
185			halAutoSleepSupport		: 1,
186			halFastCCSupport		: 1,
187			halBtCoexSupport		: 1;
188	uint32_t	halRxStbcSupport		: 1,
189			halTxStbcSupport		: 1,
190			halGTTSupport			: 1,
191			halCSTSupport			: 1,
192			halRifsRxSupport		: 1,
193			halRifsTxSupport		: 1,
194			halExtChanDfsSupport		: 1,
195			halForcePpmSupport		: 1,
196			halEnhancedPmSupport		: 1,
197			halMbssidAggrSupport		: 1,
198			halBssidMatchSupport		: 1;
199	uint32_t	halWirelessModes;
200	uint16_t	halTotalQueues;
201	uint16_t	halKeyCacheSize;
202	uint16_t	halLow5GhzChan, halHigh5GhzChan;
203	uint16_t	halLow2GhzChan, halHigh2GhzChan;
204	int		halTstampPrecision;
205	int		halRtsAggrLimit;
206	uint8_t		halTxChainMask;
207	uint8_t		halRxChainMask;
208	uint8_t		halNumGpioPins;
209	uint8_t		halNumAntCfg2GHz;
210	uint8_t		halNumAntCfg5GHz;
211	uint32_t	halIntrMask;
212} HAL_CAPABILITIES;
213
214struct regDomain;
215
216/*
217 * The ``private area'' follows immediately after the ``public area''
218 * in the data structure returned by ath_hal_attach.  Private data are
219 * used by device-independent code such as the regulatory domain support.
220 * In general, code within the HAL should never depend on data in the
221 * public area.  Instead any public data needed internally should be
222 * shadowed here.
223 *
224 * When declaring a device-specific ath_hal data structure this structure
225 * is assumed to at the front; e.g.
226 *
227 *	struct ath_hal_5212 {
228 *		struct ath_hal_private	ah_priv;
229 *		...
230 *	};
231 *
232 * It might be better to manage the method pointers in this structure
233 * using an indirect pointer to a read-only data structure but this would
234 * disallow class-style method overriding.
235 */
236struct ath_hal_private {
237	struct ath_hal	h;			/* public area */
238
239	/* NB: all methods go first to simplify initialization */
240	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
241				uint16_t channelFlags,
242				uint16_t *lowChannel, uint16_t *highChannel);
243	u_int		(*ah_getWirelessModes)(struct ath_hal*);
244	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
245				uint16_t *data);
246	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
247				uint16_t data);
248	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
249				struct ieee80211_channel *);
250	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
251				const HAL_CHANNEL_INTERNAL*);
252	void		(*ah_getNoiseFloor)(struct ath_hal *,
253				int16_t nfarray[]);
254
255	void		*ah_eeprom;		/* opaque EEPROM state */
256	uint16_t	ah_eeversion;		/* EEPROM version */
257	void		(*ah_eepromDetach)(struct ath_hal *);
258	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
259	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
260	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
261	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
262			    const void *args, uint32_t argsize,
263			    void **result, uint32_t *resultsize);
264
265	/*
266	 * Device revision information.
267	 */
268	uint16_t	ah_devid;		/* PCI device ID */
269	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
270	uint32_t	ah_macVersion;		/* MAC version id */
271	uint16_t	ah_macRev;		/* MAC revision */
272	uint16_t	ah_phyRev;		/* PHY revision */
273	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
274	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
275	uint8_t		ah_ispcie;		/* PCIE, special treatment */
276
277	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
278	const struct ieee80211_channel *ah_curchan;/* operating channel */
279	HAL_CAPABILITIES ah_caps;		/* device capabilities */
280	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
281	int16_t		ah_powerLimit;		/* tx power cap */
282	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
283	u_int		ah_tpScale;		/* tx power scale factor */
284	uint32_t	ah_11nCompat;		/* 11n compat controls */
285
286	/*
287	 * State for regulatory domain handling.
288	 */
289	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
290	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
291	u_int		ah_nchan;		/* valid items in ah_channels */
292	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
293	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
294
295	uint8_t    	ah_coverageClass;   	/* coverage class */
296	/*
297	 * RF Silent handling; setup according to the EEPROM.
298	 */
299	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
300	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
301	/*
302	 * Diagnostic support for discriminating HIUERR reports.
303	 */
304	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
305	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
306};
307
308#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
309
310#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
311	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
312#define	ath_hal_getWirelessModes(_ah) \
313	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
314#define	ath_hal_eepromRead(_ah, _off, _data) \
315	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
316#define	ath_hal_eepromWrite(_ah, _off, _data) \
317	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
318#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
319	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
320#define	ath_hal_gpioCfgInput(_ah, _gpio) \
321	(_ah)->ah_gpioCfgInput(_ah, _gpio)
322#define	ath_hal_gpioGet(_ah, _gpio) \
323	(_ah)->ah_gpioGet(_ah, _gpio)
324#define	ath_hal_gpioSet(_ah, _gpio, _val) \
325	(_ah)->ah_gpioSet(_ah, _gpio, _val)
326#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
327	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
328#define	ath_hal_getpowerlimits(_ah, _chan) \
329	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
330#define ath_hal_getNfAdjust(_ah, _c) \
331	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
332#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
333	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
334#define	ath_hal_configPCIE(_ah, _reset) \
335	(_ah)->ah_configPCIE(_ah, _reset)
336#define	ath_hal_disablePCIE(_ah) \
337	(_ah)->ah_disablePCIE(_ah)
338#define	ath_hal_setInterrupts(_ah, _mask) \
339	(_ah)->ah_setInterrupts(_ah, _mask)
340
341#define	ath_hal_eepromDetach(_ah) do {				\
342	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
343		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
344} while (0)
345#define	ath_hal_eepromGet(_ah, _param, _val) \
346	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
347#define	ath_hal_eepromSet(_ah, _param, _val) \
348	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
349#define	ath_hal_eepromGetFlag(_ah, _param) \
350	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
351#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
352	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
353#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
354	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
355
356#ifndef _NET_IF_IEEE80211_H_
357/*
358 * Stuff that would naturally come from _ieee80211.h
359 */
360#define	IEEE80211_ADDR_LEN		6
361
362#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
363#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
364#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
365
366#define	IEEE80211_CRC_LEN			4
367
368#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
369    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
370#endif /* _NET_IF_IEEE80211_H_ */
371
372#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
373
374#define INIT_AIFS		2
375#define INIT_CWMIN		15
376#define INIT_CWMIN_11B		31
377#define INIT_CWMAX		1023
378#define INIT_SH_RETRY		10
379#define INIT_LG_RETRY		10
380#define INIT_SSH_RETRY		32
381#define INIT_SLG_RETRY		32
382
383typedef struct {
384	uint32_t	tqi_ver;		/* HAL TXQ verson */
385	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
386	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
387	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
388	uint32_t	tqi_priority;
389	uint32_t	tqi_aifs;		/* aifs */
390	uint32_t	tqi_cwmin;		/* cwMin */
391	uint32_t	tqi_cwmax;		/* cwMax */
392	uint16_t	tqi_shretry;		/* frame short retry limit */
393	uint16_t	tqi_lgretry;		/* frame long retry limit */
394	uint32_t	tqi_cbrPeriod;
395	uint32_t	tqi_cbrOverflowLimit;
396	uint32_t	tqi_burstTime;
397	uint32_t	tqi_readyTime;
398	uint32_t	tqi_physCompBuf;
399	uint32_t	tqi_intFlags;		/* flags for internal use */
400} HAL_TX_QUEUE_INFO;
401
402extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
403		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
404extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
405		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
406
407typedef enum {
408	HAL_ANI_PRESENT,			/* is ANI support present */
409	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
410	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
411	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
412	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
413	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
414	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
415	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
416} HAL_ANI_CMD;
417
418#define	HAL_SPUR_VAL_MASK		0x3FFF
419#define	HAL_SPUR_CHAN_WIDTH		87
420#define	HAL_BIN_WIDTH_BASE_100HZ	3125
421#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
422#define	HAL_MAX_BINS_ALLOWED		28
423
424#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
425#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
426
427#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
428
429/*
430 * Deduce if the host cpu has big- or litt-endian byte order.
431 */
432static __inline__ int
433isBigEndian(void)
434{
435	union {
436		int32_t i;
437		char c[4];
438	} u;
439	u.i = 1;
440	return (u.c[0] == 0);
441}
442
443/* unalligned little endian access */
444#define LE_READ_2(p)							\
445	((uint16_t)							\
446	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
447#define LE_READ_4(p)							\
448	((uint32_t)							\
449	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
450	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
451
452/*
453 * Register manipulation macros that expect bit field defines
454 * to follow the convention that an _S suffix is appended for
455 * a shift count, while the field mask has no suffix.
456 */
457#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
458#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
459#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
460	OS_REG_WRITE(_a, _r, \
461		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
462#define	OS_REG_SET_BIT(_a, _r, _f) \
463	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
464#define	OS_REG_CLR_BIT(_a, _r, _f) \
465	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
466
467/* system-configurable parameters */
468extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
469extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
470extern	int ath_hal_additional_swba_backoff;	/* in TU's */
471
472/* wait for the register contents to have the specified value */
473extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
474		uint32_t mask, uint32_t val);
475extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
476		uint32_t mask, uint32_t val, uint32_t timeout);
477
478/* return the first n bits in val reversed */
479extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
480
481/* printf interfaces */
482extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
483		__printflike(2,3);
484extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
485		__printflike(2, 0);
486extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
487
488/* allocate and free memory */
489extern	void *ath_hal_malloc(size_t);
490extern	void ath_hal_free(void *);
491
492/* common debugging interfaces */
493#ifdef AH_DEBUG
494#include "ah_debug.h"
495extern	int ath_hal_debug;
496extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
497	__printflike(3,4);
498#else
499#define HALDEBUG(_ah, __m, _fmt, ...)
500#endif /* AH_DEBUG */
501
502/*
503 * Register logging definitions shared with ardecode.
504 */
505#include "ah_decode.h"
506
507/*
508 * Common assertion interface.  Note: it is a bad idea to generate
509 * an assertion failure for any recoverable event.  Instead catch
510 * the violation and, if possible, fix it up or recover from it; either
511 * with an error return value or a diagnostic messages.  System software
512 * does not panic unless the situation is hopeless.
513 */
514#ifdef AH_ASSERT
515extern	void ath_hal_assert_failed(const char* filename,
516		int lineno, const char* msg);
517
518#define	HALASSERT(_x) do {					\
519	if (!(_x)) {						\
520		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
521	}							\
522} while (0)
523#else
524#define	HALASSERT(_x)
525#endif /* AH_ASSERT */
526
527/*
528 * Regulatory domain support.
529 */
530
531/*
532 * Return the max allowed antenna gain and apply any regulatory
533 * domain specific changes.
534 */
535u_int	ath_hal_getantennareduction(struct ath_hal *ah,
536	    const struct ieee80211_channel *chan, u_int twiceGain);
537
538/*
539 * Return the test group for the specific channel based on
540 * the current regulatory setup.
541 */
542u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
543
544/*
545 * Map a public channel definition to the corresponding
546 * internal data structure.  This implicitly specifies
547 * whether or not the specified channel is ok to use
548 * based on the current regulatory domain constraints.
549 */
550#ifndef AH_DEBUG
551static OS_INLINE HAL_CHANNEL_INTERNAL *
552ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
553{
554	HAL_CHANNEL_INTERNAL *cc;
555
556	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
557	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
558	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
559	return cc;
560}
561#else
562/* NB: non-inline version that checks state */
563HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
564		const struct ieee80211_channel *);
565#endif /* AH_DEBUG */
566
567/*
568 * Return the h/w frequency for a channel.  This may be
569 * different from ic_freq if this is a GSM device that
570 * takes 2.4GHz frequencies and down-converts them.
571 */
572static OS_INLINE uint16_t
573ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
574{
575	return ath_hal_checkchannel(ah, c)->channel;
576}
577
578/*
579 * Convert between microseconds and core system clocks.
580 */
581extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
582extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
583
584/*
585 * Generic get/set capability support.  Each chip overrides
586 * this routine to support chip-specific capabilities.
587 */
588extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
589		HAL_CAPABILITY_TYPE type, uint32_t capability,
590		uint32_t *result);
591extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
592		HAL_CAPABILITY_TYPE type, uint32_t capability,
593		uint32_t setting, HAL_STATUS *status);
594
595/* The diagnostic codes used to be internally defined here -adrian */
596#include "ah_diagcodes.h"
597
598enum {
599    HAL_BB_HANG_DFS		= 0x0001,
600    HAL_BB_HANG_RIFS		= 0x0002,
601    HAL_BB_HANG_RX_CLEAR	= 0x0004,
602    HAL_BB_HANG_UNKNOWN		= 0x0080,
603
604    HAL_MAC_HANG_SIG1		= 0x0100,
605    HAL_MAC_HANG_SIG2		= 0x0200,
606    HAL_MAC_HANG_UNKNOWN	= 0x8000,
607
608    HAL_BB_HANGS = HAL_BB_HANG_DFS
609		 | HAL_BB_HANG_RIFS
610		 | HAL_BB_HANG_RX_CLEAR
611		 | HAL_BB_HANG_UNKNOWN,
612    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
613		 | HAL_MAC_HANG_SIG2
614		 | HAL_MAC_HANG_UNKNOWN,
615};
616
617/*
618 * Device revision information.
619 */
620typedef struct {
621	uint16_t	ah_devid;		/* PCI device ID */
622	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
623	uint32_t	ah_macVersion;		/* MAC version id */
624	uint16_t	ah_macRev;		/* MAC revision */
625	uint16_t	ah_phyRev;		/* PHY revision */
626	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
627	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
628} HAL_REVS;
629
630/*
631 * Argument payload for HAL_DIAG_SETKEY.
632 */
633typedef struct {
634	HAL_KEYVAL	dk_keyval;
635	uint16_t	dk_keyix;	/* key index */
636	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
637	int		dk_xor;		/* XOR key data */
638} HAL_DIAG_KEYVAL;
639
640/*
641 * Argument payload for HAL_DIAG_EEWRITE.
642 */
643typedef struct {
644	uint16_t	ee_off;		/* eeprom offset */
645	uint16_t	ee_data;	/* write data */
646} HAL_DIAG_EEVAL;
647
648
649typedef struct {
650	u_int offset;		/* reg offset */
651	uint32_t val;		/* reg value  */
652} HAL_DIAG_REGVAL;
653
654/*
655 * 11n compatibility tweaks.
656 */
657#define	HAL_DIAG_11N_SERVICES	0x00000003
658#define	HAL_DIAG_11N_SERVICES_S	0
659#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
660#define	HAL_DIAG_11N_TXSTOMP_S	2
661
662typedef struct {
663	int		maxNoiseImmunityLevel;	/* [0..4] */
664	int		totalSizeDesired[5];
665	int		coarseHigh[5];
666	int		coarseLow[5];
667	int		firpwr[5];
668
669	int		maxSpurImmunityLevel;	/* [0..7] */
670	int		cycPwrThr1[8];
671
672	int		maxFirstepLevel;	/* [0..2] */
673	int		firstep[3];
674
675	uint32_t	ofdmTrigHigh;
676	uint32_t	ofdmTrigLow;
677	int32_t		cckTrigHigh;
678	int32_t		cckTrigLow;
679	int32_t		rssiThrLow;
680	int32_t		rssiThrHigh;
681
682	int		period;			/* update listen period */
683} HAL_ANI_PARAMS;
684
685extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
686			const void *args, uint32_t argsize,
687			void **result, uint32_t *resultsize);
688
689/*
690 * Setup a h/w rate table for use.
691 */
692extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
693
694/*
695 * Common routine for implementing getChanNoise api.
696 */
697int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
698
699/*
700 * Initialization support.
701 */
702typedef struct {
703	const uint32_t	*data;
704	int		rows, cols;
705} HAL_INI_ARRAY;
706
707#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
708	(_ia)->data = (const uint32_t *)(_data);		\
709	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
710	(_ia)->cols = (_cols);					\
711} while (0)
712#define	HAL_INI_VAL(_ia, _r, _c) \
713	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
714
715/*
716 * OS_DELAY() does a PIO READ on the PCI bus which allows
717 * other cards' DMA reads to complete in the middle of our reset.
718 */
719#define DMA_YIELD(x) do {		\
720	if ((++(x) % 64) == 0)		\
721		OS_DELAY(1);		\
722} while (0)
723
724#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
725	int r;								\
726	for (r = 0; r < N(regArray); r++) {				\
727		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
728		DMA_YIELD(regWr);					\
729	}								\
730} while (0)
731
732#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
733	int r;								\
734	for (r = 0; r < N(regArray); r++) {				\
735		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
736		DMA_YIELD(regWr);					\
737	}								\
738} while (0)
739
740extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
741		int col, int regWr);
742extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
743		int col);
744extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
745		const uint32_t data[], int regWr);
746
747#define	CCK_SIFS_TIME		10
748#define	CCK_PREAMBLE_BITS	144
749#define	CCK_PLCP_BITS		48
750
751#define	OFDM_SIFS_TIME		16
752#define	OFDM_PREAMBLE_TIME	20
753#define	OFDM_PLCP_BITS		22
754#define	OFDM_SYMBOL_TIME	4
755
756#define	OFDM_HALF_SIFS_TIME	32
757#define	OFDM_HALF_PREAMBLE_TIME	40
758#define	OFDM_HALF_PLCP_BITS	22
759#define	OFDM_HALF_SYMBOL_TIME	8
760
761#define	OFDM_QUARTER_SIFS_TIME 		64
762#define	OFDM_QUARTER_PREAMBLE_TIME	80
763#define	OFDM_QUARTER_PLCP_BITS		22
764#define	OFDM_QUARTER_SYMBOL_TIME	16
765
766#define	TURBO_SIFS_TIME		8
767#define	TURBO_PREAMBLE_TIME	14
768#define	TURBO_PLCP_BITS		22
769#define	TURBO_SYMBOL_TIME	4
770
771#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
772#endif /* _ATH_AH_INTERAL_H_ */
773