ah_internal.h revision 219586
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 219586 2011-03-13 05:54:05Z 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
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			hal4kbSplitTransSupport		: 1;
200	uint32_t	halWirelessModes;
201	uint16_t	halTotalQueues;
202	uint16_t	halKeyCacheSize;
203	uint16_t	halLow5GhzChan, halHigh5GhzChan;
204	uint16_t	halLow2GhzChan, halHigh2GhzChan;
205	int		halTstampPrecision;
206	int		halRtsAggrLimit;
207	uint8_t		halTxChainMask;
208	uint8_t		halRxChainMask;
209	uint8_t		halNumGpioPins;
210	uint8_t		halNumAntCfg2GHz;
211	uint8_t		halNumAntCfg5GHz;
212	uint32_t	halIntrMask;
213	uint8_t		halTxStreams;
214	uint8_t		halRxStreams;
215} HAL_CAPABILITIES;
216
217struct regDomain;
218
219/*
220 * The ``private area'' follows immediately after the ``public area''
221 * in the data structure returned by ath_hal_attach.  Private data are
222 * used by device-independent code such as the regulatory domain support.
223 * In general, code within the HAL should never depend on data in the
224 * public area.  Instead any public data needed internally should be
225 * shadowed here.
226 *
227 * When declaring a device-specific ath_hal data structure this structure
228 * is assumed to at the front; e.g.
229 *
230 *	struct ath_hal_5212 {
231 *		struct ath_hal_private	ah_priv;
232 *		...
233 *	};
234 *
235 * It might be better to manage the method pointers in this structure
236 * using an indirect pointer to a read-only data structure but this would
237 * disallow class-style method overriding.
238 */
239struct ath_hal_private {
240	struct ath_hal	h;			/* public area */
241
242	/* NB: all methods go first to simplify initialization */
243	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
244				uint16_t channelFlags,
245				uint16_t *lowChannel, uint16_t *highChannel);
246	u_int		(*ah_getWirelessModes)(struct ath_hal*);
247	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
248				uint16_t *data);
249	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
250				uint16_t data);
251	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
252				struct ieee80211_channel *);
253	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
254				const HAL_CHANNEL_INTERNAL*);
255	void		(*ah_getNoiseFloor)(struct ath_hal *,
256				int16_t nfarray[]);
257
258	void		*ah_eeprom;		/* opaque EEPROM state */
259	uint16_t	ah_eeversion;		/* EEPROM version */
260	void		(*ah_eepromDetach)(struct ath_hal *);
261	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
262	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
263	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
264	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
265			    const void *args, uint32_t argsize,
266			    void **result, uint32_t *resultsize);
267
268	/*
269	 * Device revision information.
270	 */
271	uint16_t	ah_devid;		/* PCI device ID */
272	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
273	uint32_t	ah_macVersion;		/* MAC version id */
274	uint16_t	ah_macRev;		/* MAC revision */
275	uint16_t	ah_phyRev;		/* PHY revision */
276	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
277	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
278	uint8_t		ah_ispcie;		/* PCIE, special treatment */
279
280	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
281	const struct ieee80211_channel *ah_curchan;/* operating channel */
282	HAL_CAPABILITIES ah_caps;		/* device capabilities */
283	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
284	int16_t		ah_powerLimit;		/* tx power cap */
285	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
286	u_int		ah_tpScale;		/* tx power scale factor */
287	uint32_t	ah_11nCompat;		/* 11n compat controls */
288
289	/*
290	 * State for regulatory domain handling.
291	 */
292	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
293	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
294	u_int		ah_nchan;		/* valid items in ah_channels */
295	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
296	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
297
298	uint8_t    	ah_coverageClass;   	/* coverage class */
299	/*
300	 * RF Silent handling; setup according to the EEPROM.
301	 */
302	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
303	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
304	/*
305	 * Diagnostic support for discriminating HIUERR reports.
306	 */
307	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
308	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
309};
310
311#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
312
313#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
314	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
315#define	ath_hal_getWirelessModes(_ah) \
316	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
317#define	ath_hal_eepromRead(_ah, _off, _data) \
318	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
319#define	ath_hal_eepromWrite(_ah, _off, _data) \
320	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
321#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
322	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
323#define	ath_hal_gpioCfgInput(_ah, _gpio) \
324	(_ah)->ah_gpioCfgInput(_ah, _gpio)
325#define	ath_hal_gpioGet(_ah, _gpio) \
326	(_ah)->ah_gpioGet(_ah, _gpio)
327#define	ath_hal_gpioSet(_ah, _gpio, _val) \
328	(_ah)->ah_gpioSet(_ah, _gpio, _val)
329#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
330	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
331#define	ath_hal_getpowerlimits(_ah, _chan) \
332	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
333#define ath_hal_getNfAdjust(_ah, _c) \
334	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
335#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
336	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
337#define	ath_hal_configPCIE(_ah, _reset) \
338	(_ah)->ah_configPCIE(_ah, _reset)
339#define	ath_hal_disablePCIE(_ah) \
340	(_ah)->ah_disablePCIE(_ah)
341#define	ath_hal_setInterrupts(_ah, _mask) \
342	(_ah)->ah_setInterrupts(_ah, _mask)
343
344#define	ath_hal_eepromDetach(_ah) do {				\
345	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
346		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
347} while (0)
348#define	ath_hal_eepromGet(_ah, _param, _val) \
349	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
350#define	ath_hal_eepromSet(_ah, _param, _val) \
351	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
352#define	ath_hal_eepromGetFlag(_ah, _param) \
353	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
354#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
355	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
356#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
357	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
358
359#ifndef _NET_IF_IEEE80211_H_
360/*
361 * Stuff that would naturally come from _ieee80211.h
362 */
363#define	IEEE80211_ADDR_LEN		6
364
365#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
366#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
367#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
368
369#define	IEEE80211_CRC_LEN			4
370
371#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
372    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
373#endif /* _NET_IF_IEEE80211_H_ */
374
375#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
376
377#define INIT_AIFS		2
378#define INIT_CWMIN		15
379#define INIT_CWMIN_11B		31
380#define INIT_CWMAX		1023
381#define INIT_SH_RETRY		10
382#define INIT_LG_RETRY		10
383#define INIT_SSH_RETRY		32
384#define INIT_SLG_RETRY		32
385
386typedef struct {
387	uint32_t	tqi_ver;		/* HAL TXQ verson */
388	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
389	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
390	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
391	uint32_t	tqi_priority;
392	uint32_t	tqi_aifs;		/* aifs */
393	uint32_t	tqi_cwmin;		/* cwMin */
394	uint32_t	tqi_cwmax;		/* cwMax */
395	uint16_t	tqi_shretry;		/* frame short retry limit */
396	uint16_t	tqi_lgretry;		/* frame long retry limit */
397	uint32_t	tqi_cbrPeriod;
398	uint32_t	tqi_cbrOverflowLimit;
399	uint32_t	tqi_burstTime;
400	uint32_t	tqi_readyTime;
401	uint32_t	tqi_physCompBuf;
402	uint32_t	tqi_intFlags;		/* flags for internal use */
403} HAL_TX_QUEUE_INFO;
404
405extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
406		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
407extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
408		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
409
410typedef enum {
411	HAL_ANI_PRESENT = 0x1,			/* is ANI support present */
412	HAL_ANI_NOISE_IMMUNITY_LEVEL = 0x2,	/* set level */
413	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,	/* enable/disable */
414	HAL_ANI_CCK_WEAK_SIGNAL_THR = 0x8,		/* enable/disable */
415	HAL_ANI_FIRSTEP_LEVEL = 0x10,			/* set level */
416	HAL_ANI_SPUR_IMMUNITY_LEVEL = 0x20,		/* set level */
417	HAL_ANI_MODE = 0x40,	/* 0 => manual, 1 => auto (XXX do not change) */
418	HAL_ANI_PHYERR_RESET =0x80,			/* reset phy error stats */
419	HAL_ANI_ALL = 0xff
420} HAL_ANI_CMD;
421
422#define	HAL_SPUR_VAL_MASK		0x3FFF
423#define	HAL_SPUR_CHAN_WIDTH		87
424#define	HAL_BIN_WIDTH_BASE_100HZ	3125
425#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
426#define	HAL_MAX_BINS_ALLOWED		28
427
428#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
429#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
430
431#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
432
433/*
434 * Deduce if the host cpu has big- or litt-endian byte order.
435 */
436static __inline__ int
437isBigEndian(void)
438{
439	union {
440		int32_t i;
441		char c[4];
442	} u;
443	u.i = 1;
444	return (u.c[0] == 0);
445}
446
447/* unalligned little endian access */
448#define LE_READ_2(p)							\
449	((uint16_t)							\
450	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
451#define LE_READ_4(p)							\
452	((uint32_t)							\
453	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
454	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
455
456/*
457 * Register manipulation macros that expect bit field defines
458 * to follow the convention that an _S suffix is appended for
459 * a shift count, while the field mask has no suffix.
460 */
461#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
462#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
463#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
464	OS_REG_WRITE(_a, _r, \
465		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
466#define	OS_REG_SET_BIT(_a, _r, _f) \
467	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
468#define	OS_REG_CLR_BIT(_a, _r, _f) \
469	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
470
471/* Analog register writes may require a delay between each one (eg Merlin?) */
472#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
473	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
474
475/* system-configurable parameters */
476extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
477extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
478extern	int ath_hal_additional_swba_backoff;	/* in TU's */
479
480/* wait for the register contents to have the specified value */
481extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
482		uint32_t mask, uint32_t val);
483extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
484		uint32_t mask, uint32_t val, uint32_t timeout);
485
486/* return the first n bits in val reversed */
487extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
488
489/* printf interfaces */
490extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
491		__printflike(2,3);
492extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
493		__printflike(2, 0);
494extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
495
496/* allocate and free memory */
497extern	void *ath_hal_malloc(size_t);
498extern	void ath_hal_free(void *);
499
500/* common debugging interfaces */
501#ifdef AH_DEBUG
502#include "ah_debug.h"
503extern	int ath_hal_debug;
504#define	HALDEBUG(_ah, __m, ...) \
505	do {							\
506		if (ath_hal_debug & (__m)) {			\
507			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
508		}						\
509	} while(0);
510
511extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
512	__printflike(3,4);
513#else
514#define HALDEBUG(_ah, __m, _fmt, ...)
515#endif /* AH_DEBUG */
516
517/*
518 * Register logging definitions shared with ardecode.
519 */
520#include "ah_decode.h"
521
522/*
523 * Common assertion interface.  Note: it is a bad idea to generate
524 * an assertion failure for any recoverable event.  Instead catch
525 * the violation and, if possible, fix it up or recover from it; either
526 * with an error return value or a diagnostic messages.  System software
527 * does not panic unless the situation is hopeless.
528 */
529#ifdef AH_ASSERT
530extern	void ath_hal_assert_failed(const char* filename,
531		int lineno, const char* msg);
532
533#define	HALASSERT(_x) do {					\
534	if (!(_x)) {						\
535		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
536	}							\
537} while (0)
538#else
539#define	HALASSERT(_x)
540#endif /* AH_ASSERT */
541
542/*
543 * Regulatory domain support.
544 */
545
546/*
547 * Return the max allowed antenna gain and apply any regulatory
548 * domain specific changes.
549 */
550u_int	ath_hal_getantennareduction(struct ath_hal *ah,
551	    const struct ieee80211_channel *chan, u_int twiceGain);
552
553/*
554 * Return the test group for the specific channel based on
555 * the current regulatory setup.
556 */
557u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
558
559/*
560 * Map a public channel definition to the corresponding
561 * internal data structure.  This implicitly specifies
562 * whether or not the specified channel is ok to use
563 * based on the current regulatory domain constraints.
564 */
565#ifndef AH_DEBUG
566static OS_INLINE HAL_CHANNEL_INTERNAL *
567ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
568{
569	HAL_CHANNEL_INTERNAL *cc;
570
571	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
572	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
573	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
574	return cc;
575}
576#else
577/* NB: non-inline version that checks state */
578HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
579		const struct ieee80211_channel *);
580#endif /* AH_DEBUG */
581
582/*
583 * Return the h/w frequency for a channel.  This may be
584 * different from ic_freq if this is a GSM device that
585 * takes 2.4GHz frequencies and down-converts them.
586 */
587static OS_INLINE uint16_t
588ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
589{
590	return ath_hal_checkchannel(ah, c)->channel;
591}
592
593/*
594 * Convert between microseconds and core system clocks.
595 */
596extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
597extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
598
599/*
600 * Generic get/set capability support.  Each chip overrides
601 * this routine to support chip-specific capabilities.
602 */
603extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
604		HAL_CAPABILITY_TYPE type, uint32_t capability,
605		uint32_t *result);
606extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
607		HAL_CAPABILITY_TYPE type, uint32_t capability,
608		uint32_t setting, HAL_STATUS *status);
609
610/* The diagnostic codes used to be internally defined here -adrian */
611#include "ah_diagcodes.h"
612
613enum {
614    HAL_BB_HANG_DFS		= 0x0001,
615    HAL_BB_HANG_RIFS		= 0x0002,
616    HAL_BB_HANG_RX_CLEAR	= 0x0004,
617    HAL_BB_HANG_UNKNOWN		= 0x0080,
618
619    HAL_MAC_HANG_SIG1		= 0x0100,
620    HAL_MAC_HANG_SIG2		= 0x0200,
621    HAL_MAC_HANG_UNKNOWN	= 0x8000,
622
623    HAL_BB_HANGS = HAL_BB_HANG_DFS
624		 | HAL_BB_HANG_RIFS
625		 | HAL_BB_HANG_RX_CLEAR
626		 | HAL_BB_HANG_UNKNOWN,
627    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
628		 | HAL_MAC_HANG_SIG2
629		 | HAL_MAC_HANG_UNKNOWN,
630};
631
632/*
633 * Device revision information.
634 */
635typedef struct {
636	uint16_t	ah_devid;		/* PCI device ID */
637	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
638	uint32_t	ah_macVersion;		/* MAC version id */
639	uint16_t	ah_macRev;		/* MAC revision */
640	uint16_t	ah_phyRev;		/* PHY revision */
641	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
642	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
643} HAL_REVS;
644
645/*
646 * Argument payload for HAL_DIAG_SETKEY.
647 */
648typedef struct {
649	HAL_KEYVAL	dk_keyval;
650	uint16_t	dk_keyix;	/* key index */
651	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
652	int		dk_xor;		/* XOR key data */
653} HAL_DIAG_KEYVAL;
654
655/*
656 * Argument payload for HAL_DIAG_EEWRITE.
657 */
658typedef struct {
659	uint16_t	ee_off;		/* eeprom offset */
660	uint16_t	ee_data;	/* write data */
661} HAL_DIAG_EEVAL;
662
663
664typedef struct {
665	u_int offset;		/* reg offset */
666	uint32_t val;		/* reg value  */
667} HAL_DIAG_REGVAL;
668
669/*
670 * 11n compatibility tweaks.
671 */
672#define	HAL_DIAG_11N_SERVICES	0x00000003
673#define	HAL_DIAG_11N_SERVICES_S	0
674#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
675#define	HAL_DIAG_11N_TXSTOMP_S	2
676
677typedef struct {
678	int		maxNoiseImmunityLevel;	/* [0..4] */
679	int		totalSizeDesired[5];
680	int		coarseHigh[5];
681	int		coarseLow[5];
682	int		firpwr[5];
683
684	int		maxSpurImmunityLevel;	/* [0..7] */
685	int		cycPwrThr1[8];
686
687	int		maxFirstepLevel;	/* [0..2] */
688	int		firstep[3];
689
690	uint32_t	ofdmTrigHigh;
691	uint32_t	ofdmTrigLow;
692	int32_t		cckTrigHigh;
693	int32_t		cckTrigLow;
694	int32_t		rssiThrLow;
695	int32_t		rssiThrHigh;
696
697	int		period;			/* update listen period */
698} HAL_ANI_PARAMS;
699
700extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
701			const void *args, uint32_t argsize,
702			void **result, uint32_t *resultsize);
703
704/*
705 * Setup a h/w rate table for use.
706 */
707extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
708
709/*
710 * Common routine for implementing getChanNoise api.
711 */
712int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
713
714/*
715 * Initialization support.
716 */
717typedef struct {
718	const uint32_t	*data;
719	int		rows, cols;
720} HAL_INI_ARRAY;
721
722#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
723	(_ia)->data = (const uint32_t *)(_data);		\
724	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
725	(_ia)->cols = (_cols);					\
726} while (0)
727#define	HAL_INI_VAL(_ia, _r, _c) \
728	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
729
730/*
731 * OS_DELAY() does a PIO READ on the PCI bus which allows
732 * other cards' DMA reads to complete in the middle of our reset.
733 */
734#define DMA_YIELD(x) do {		\
735	if ((++(x) % 64) == 0)		\
736		OS_DELAY(1);		\
737} while (0)
738
739#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
740	int r;								\
741	for (r = 0; r < N(regArray); r++) {				\
742		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
743		DMA_YIELD(regWr);					\
744	}								\
745} while (0)
746
747#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
748	int r;								\
749	for (r = 0; r < N(regArray); r++) {				\
750		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
751		DMA_YIELD(regWr);					\
752	}								\
753} while (0)
754
755extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
756		int col, int regWr);
757extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
758		int col);
759extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
760		const uint32_t data[], int regWr);
761
762#define	CCK_SIFS_TIME		10
763#define	CCK_PREAMBLE_BITS	144
764#define	CCK_PLCP_BITS		48
765
766#define	OFDM_SIFS_TIME		16
767#define	OFDM_PREAMBLE_TIME	20
768#define	OFDM_PLCP_BITS		22
769#define	OFDM_SYMBOL_TIME	4
770
771#define	OFDM_HALF_SIFS_TIME	32
772#define	OFDM_HALF_PREAMBLE_TIME	40
773#define	OFDM_HALF_PLCP_BITS	22
774#define	OFDM_HALF_SYMBOL_TIME	8
775
776#define	OFDM_QUARTER_SIFS_TIME 		64
777#define	OFDM_QUARTER_PREAMBLE_TIME	80
778#define	OFDM_QUARTER_PLCP_BITS		22
779#define	OFDM_QUARTER_SYMBOL_TIME	16
780
781#define	TURBO_SIFS_TIME		8
782#define	TURBO_PREAMBLE_TIME	14
783#define	TURBO_PLCP_BITS		22
784#define	TURBO_SYMBOL_TIME	4
785
786#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
787
788/* Generic EEPROM board value functions */
789extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
790	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
791extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
792	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
793	uint8_t *pRetVpdList);
794extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
795	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
796
797#endif /* _ATH_AH_INTERAL_H_ */
798