ah_internal.h revision 188504
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 188504 2009-02-11 22:34:22Z sam $
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
52/*
53 * Transmit power scale factor.
54 *
55 * NB: This is not public because we want to discourage the use of
56 *     scaling; folks should use the tx power limit interface.
57 */
58typedef enum {
59	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
60	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
61	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
62	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
63	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
64} HAL_TP_SCALE;
65
66typedef enum {
67 	HAL_CAP_RADAR		= 0,		/* Radar capability */
68 	HAL_CAP_AR		= 1,		/* AR capability */
69} HAL_PHYDIAG_CAPS;
70
71/*
72 * Each chip or class of chips registers to offer support.
73 */
74struct ath_hal_chip {
75	const char	*name;
76	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
77	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
78			    HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *error);
79};
80#ifndef AH_CHIP
81#define	AH_CHIP(_name, _probe, _attach)				\
82static struct ath_hal_chip _name##_chip = {			\
83	.name		= #_name,				\
84	.probe		= _probe,				\
85	.attach		= _attach				\
86};								\
87OS_DATA_SET(ah_chips, _name##_chip)
88#endif
89
90/*
91 * Each RF backend registers to offer support; this is mostly
92 * used by multi-chip 5212 solutions.  Single-chip solutions
93 * have a fixed idea about which RF to use.
94 */
95struct ath_hal_rf {
96	const char	*name;
97	HAL_BOOL	(*probe)(struct ath_hal *ah);
98	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
99};
100#ifndef AH_RF
101#define	AH_RF(_name, _probe, _attach)				\
102static struct ath_hal_rf _name##_rf = {				\
103	.name		= __STRING(_name),			\
104	.probe		= _probe,				\
105	.attach		= _attach				\
106};								\
107OS_DATA_SET(ah_rfs, _name##_rf)
108#endif
109
110struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
111
112/*
113 * Maximum number of internal channels.  Entries are per unique
114 * frequency so this might be need to be increased to handle all
115 * usage cases; typically no more than 32 are really needed but
116 * dynamically allocating the data structures is a bit painful
117 * right now.
118 */
119#ifndef AH_MAXCHAN
120#define	AH_MAXCHAN	96
121#endif
122
123/*
124 * Internal per-channel state.  These are found
125 * using ic_devdata in the ieee80211_channel.
126 */
127typedef struct {
128	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
129	uint8_t		privFlags;
130#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
131#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
132#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
133	uint8_t		calValid;	/* bitmask of cal types */
134	int8_t		iCoff;
135	int8_t		qCoff;
136	int16_t		rawNoiseFloor;
137	int16_t		noiseFloorAdjust;
138	uint16_t	mainSpur;	/* cached spur value for this channel */
139} HAL_CHANNEL_INTERNAL;
140
141/* channel requires noise floor check */
142#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
143
144/* all full-width channels */
145#define	IEEE80211_CHAN_ALLFULL \
146	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
147#define	IEEE80211_CHAN_ALLTURBOFULL \
148	(IEEE80211_CHAN_ALLTURBO - \
149	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
150
151typedef struct {
152	uint32_t	halChanSpreadSupport 		: 1,
153			halSleepAfterBeaconBroken	: 1,
154			halCompressSupport		: 1,
155			halBurstSupport			: 1,
156			halFastFramesSupport		: 1,
157			halChapTuningSupport		: 1,
158			halTurboGSupport		: 1,
159			halTurboPrimeSupport		: 1,
160			halMicAesCcmSupport		: 1,
161			halMicCkipSupport		: 1,
162			halMicTkipSupport		: 1,
163			halTkipMicTxRxKeySupport	: 1,
164			halCipherAesCcmSupport		: 1,
165			halCipherCkipSupport		: 1,
166			halCipherTkipSupport		: 1,
167			halPSPollBroken			: 1,
168			halVEOLSupport			: 1,
169			halBssIdMaskSupport		: 1,
170			halMcastKeySrchSupport		: 1,
171			halTsfAddSupport		: 1,
172			halChanHalfRate			: 1,
173			halChanQuarterRate		: 1,
174			halHTSupport			: 1,
175			halRfSilentSupport		: 1,
176			halHwPhyCounterSupport		: 1,
177			halWowSupport			: 1,
178			halWowMatchPatternExact		: 1,
179			halAutoSleepSupport		: 1,
180			halFastCCSupport		: 1,
181			halBtCoexSupport		: 1;
182	uint32_t	halRxStbcSupport		: 1,
183			halTxStbcSupport		: 1,
184			halGTTSupport			: 1,
185			halCSTSupport			: 1,
186			halRifsRxSupport		: 1,
187			halRifsTxSupport		: 1,
188			halExtChanDfsSupport		: 1,
189			halForcePpmSupport		: 1,
190			halEnhancedPmSupport		: 1,
191			halMbssidAggrSupport		: 1;
192	uint32_t	halWirelessModes;
193	uint16_t	halTotalQueues;
194	uint16_t	halKeyCacheSize;
195	uint16_t	halLow5GhzChan, halHigh5GhzChan;
196	uint16_t	halLow2GhzChan, halHigh2GhzChan;
197	int		halTstampPrecision;
198	int		halRtsAggrLimit;
199	uint8_t		halTxChainMask;
200	uint8_t		halRxChainMask;
201	uint8_t		halNumGpioPins;
202	uint8_t		halNumAntCfg2GHz;
203	uint8_t		halNumAntCfg5GHz;
204} HAL_CAPABILITIES;
205
206struct regDomain;
207
208/*
209 * The ``private area'' follows immediately after the ``public area''
210 * in the data structure returned by ath_hal_attach.  Private data are
211 * used by device-independent code such as the regulatory domain support.
212 * In general, code within the HAL should never depend on data in the
213 * public area.  Instead any public data needed internally should be
214 * shadowed here.
215 *
216 * When declaring a device-specific ath_hal data structure this structure
217 * is assumed to at the front; e.g.
218 *
219 *	struct ath_hal_5212 {
220 *		struct ath_hal_private	ah_priv;
221 *		...
222 *	};
223 *
224 * It might be better to manage the method pointers in this structure
225 * using an indirect pointer to a read-only data structure but this would
226 * disallow class-style method overriding.
227 */
228struct ath_hal_private {
229	struct ath_hal	h;			/* public area */
230
231	/* NB: all methods go first to simplify initialization */
232	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
233				uint16_t channelFlags,
234				uint16_t *lowChannel, uint16_t *highChannel);
235	u_int		(*ah_getWirelessModes)(struct ath_hal*);
236	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
237				uint16_t *data);
238	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
239				uint16_t data);
240	HAL_BOOL	(*ah_gpioCfgOutput)(struct ath_hal *, uint32_t gpio);
241	HAL_BOOL	(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
242	uint32_t	(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
243	HAL_BOOL	(*ah_gpioSet)(struct ath_hal *,
244				uint32_t gpio, uint32_t val);
245	void		(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
246	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
247				struct ieee80211_channel *);
248	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
249				const HAL_CHANNEL_INTERNAL*);
250	void		(*ah_getNoiseFloor)(struct ath_hal *,
251				int16_t nfarray[]);
252
253	void		*ah_eeprom;		/* opaque EEPROM state */
254	uint16_t	ah_eeversion;		/* EEPROM version */
255	void		(*ah_eepromDetach)(struct ath_hal *);
256	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
257	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
258	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
259	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
260			    const void *args, uint32_t argsize,
261			    void **result, uint32_t *resultsize);
262
263	/*
264	 * Device revision information.
265	 */
266	uint16_t	ah_devid;		/* PCI device ID */
267	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
268	uint32_t	ah_macVersion;		/* MAC version id */
269	uint16_t	ah_macRev;		/* MAC revision */
270	uint16_t	ah_phyRev;		/* PHY revision */
271	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
272	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
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) \
316	AH_PRIVATE(_ah)->ah_gpioCfgOutput(_ah, _gpio)
317#define	ath_hal_gpioCfgInput(_ah, _gpio) \
318	AH_PRIVATE(_ah)->ah_gpioCfgInput(_ah, _gpio)
319#define	ath_hal_gpioGet(_ah, _gpio) \
320	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio)
321#define	ath_hal_gpioSet(_ah, _gpio, _val) \
322	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio, _val)
323#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
324	AH_PRIVATE(_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
332#define	ath_hal_eepromDetach(_ah) \
333	AH_PRIVATE(_ah)->ah_eepromDetach(_ah)
334#define	ath_hal_eepromGet(_ah, _param, _val) \
335	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
336#define	ath_hal_eepromSet(_ah, _param, _val) \
337	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
338#define	ath_hal_eepromGetFlag(_ah, _param) \
339	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
340#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
341	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
342#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
343	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
344
345#ifndef _NET_IF_IEEE80211_H_
346/*
347 * Stuff that would naturally come from _ieee80211.h
348 */
349#define	IEEE80211_ADDR_LEN		6
350
351#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
352#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
353#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
354
355#define	IEEE80211_CRC_LEN			4
356
357#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
358    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
359#endif /* _NET_IF_IEEE80211_H_ */
360
361#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
362
363#define INIT_AIFS		2
364#define INIT_CWMIN		15
365#define INIT_CWMIN_11B		31
366#define INIT_CWMAX		1023
367#define INIT_SH_RETRY		10
368#define INIT_LG_RETRY		10
369#define INIT_SSH_RETRY		32
370#define INIT_SLG_RETRY		32
371
372typedef struct {
373	uint32_t	tqi_ver;		/* HAL TXQ verson */
374	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
375	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
376	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
377	uint32_t	tqi_priority;
378	uint32_t	tqi_aifs;		/* aifs */
379	uint32_t	tqi_cwmin;		/* cwMin */
380	uint32_t	tqi_cwmax;		/* cwMax */
381	uint16_t	tqi_shretry;		/* frame short retry limit */
382	uint16_t	tqi_lgretry;		/* frame long retry limit */
383	uint32_t	tqi_cbrPeriod;
384	uint32_t	tqi_cbrOverflowLimit;
385	uint32_t	tqi_burstTime;
386	uint32_t	tqi_readyTime;
387	uint32_t	tqi_physCompBuf;
388	uint32_t	tqi_intFlags;		/* flags for internal use */
389} HAL_TX_QUEUE_INFO;
390
391extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
392		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
393extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
394		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
395
396typedef enum {
397	HAL_ANI_PRESENT,			/* is ANI support present */
398	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
399	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
400	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
401	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
402	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
403	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
404	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
405} HAL_ANI_CMD;
406
407#define	HAL_SPUR_VAL_MASK		0x3FFF
408#define	HAL_SPUR_CHAN_WIDTH		87
409#define	HAL_BIN_WIDTH_BASE_100HZ	3125
410#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
411#define	HAL_MAX_BINS_ALLOWED		28
412
413#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
414#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
415
416#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
417
418/*
419 * Deduce if the host cpu has big- or litt-endian byte order.
420 */
421static __inline__ int
422isBigEndian(void)
423{
424	union {
425		int32_t i;
426		char c[4];
427	} u;
428	u.i = 1;
429	return (u.c[0] == 0);
430}
431
432/* unalligned little endian access */
433#define LE_READ_2(p)							\
434	((uint16_t)							\
435	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
436#define LE_READ_4(p)							\
437	((uint32_t)							\
438	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
439	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
440
441/*
442 * Register manipulation macros that expect bit field defines
443 * to follow the convention that an _S suffix is appended for
444 * a shift count, while the field mask has no suffix.
445 */
446#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
447#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
448#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
449	OS_REG_WRITE(_a, _r, \
450		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
451#define	OS_REG_SET_BIT(_a, _r, _f) \
452	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
453#define	OS_REG_CLR_BIT(_a, _r, _f) \
454	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
455
456/* system-configurable parameters */
457extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
458extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
459extern	int ath_hal_additional_swba_backoff;	/* in TU's */
460
461/* wait for the register contents to have the specified value */
462extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
463		uint32_t mask, uint32_t val);
464
465/* return the first n bits in val reversed */
466extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
467
468/* printf interfaces */
469extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
470		__printflike(2,3);
471extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
472		__printflike(2, 0);
473extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
474
475/* allocate and free memory */
476extern	void *ath_hal_malloc(size_t);
477extern	void ath_hal_free(void *);
478
479/* common debugging interfaces */
480#ifdef AH_DEBUG
481#include "ah_debug.h"
482extern	int ath_hal_debug;
483extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
484	__printflike(3,4);
485#else
486#define HALDEBUG(_ah, __m, _fmt, ...)
487#endif /* AH_DEBUG */
488
489/*
490 * Register logging definitions shared with ardecode.
491 */
492#include "ah_decode.h"
493
494/*
495 * Common assertion interface.  Note: it is a bad idea to generate
496 * an assertion failure for any recoverable event.  Instead catch
497 * the violation and, if possible, fix it up or recover from it; either
498 * with an error return value or a diagnostic messages.  System software
499 * does not panic unless the situation is hopeless.
500 */
501#ifdef AH_ASSERT
502extern	void ath_hal_assert_failed(const char* filename,
503		int lineno, const char* msg);
504
505#define	HALASSERT(_x) do {					\
506	if (!(_x)) {						\
507		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
508	}							\
509} while (0)
510#else
511#define	HALASSERT(_x)
512#endif /* AH_ASSERT */
513
514/*
515 * Regulatory domain support.
516 */
517
518/*
519 * Return the max allowed antenna gain and apply any regulatory
520 * domain specific changes.
521 */
522u_int	ath_hal_getantennareduction(struct ath_hal *ah,
523	    const struct ieee80211_channel *chan, u_int twiceGain);
524
525/*
526 * Return the test group for the specific channel based on
527 * the current regulatory setup.
528 */
529u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
530
531/*
532 * Map a public channel definition to the corresponding
533 * internal data structure.  This implicitly specifies
534 * whether or not the specified channel is ok to use
535 * based on the current regulatory domain constraints.
536 */
537#ifndef AH_DEBUG
538static OS_INLINE HAL_CHANNEL_INTERNAL *
539ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
540{
541	HAL_CHANNEL_INTERNAL *cc;
542
543	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
544	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
545	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
546	return cc;
547}
548#else
549/* NB: non-inline version that checks state */
550HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
551		const struct ieee80211_channel *);
552#endif /* AH_DEBUG */
553
554/*
555 * Return the h/w frequency for a channel.  This may be
556 * different from ic_freq if this is a GSM device that
557 * takes 2.4GHz frequencies and down-converts them.
558 */
559static OS_INLINE uint16_t
560ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
561{
562	return ath_hal_checkchannel(ah, c)->channel;
563}
564
565/*
566 * Convert between microseconds and core system clocks.
567 */
568extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
569extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
570
571/*
572 * Generic get/set capability support.  Each chip overrides
573 * this routine to support chip-specific capabilities.
574 */
575extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
576		HAL_CAPABILITY_TYPE type, uint32_t capability,
577		uint32_t *result);
578extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
579		HAL_CAPABILITY_TYPE type, uint32_t capability,
580		uint32_t setting, HAL_STATUS *status);
581
582/*
583 * Diagnostic interface.  This is an open-ended interface that
584 * is opaque to applications.  Diagnostic programs use this to
585 * retrieve internal data structures, etc.  There is no guarantee
586 * that calling conventions for calls other than HAL_DIAG_REVS
587 * are stable between HAL releases; a diagnostic application must
588 * use the HAL revision information to deal with ABI/API differences.
589 *
590 * NB: do not renumber these, certain codes are publicly used.
591 */
592enum {
593	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
594	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
595	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
596	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
597	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
598	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
599	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
600	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
601	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
602	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
603	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
604	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
605	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
606	HAL_DIAG_REGS		= 13,	/* Registers */
607	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
608	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
609	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
610	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
611	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
612	/* 19 was HAL_DIAG_TXCONT, 20-23 were for radar */
613	HAL_DIAG_REGREAD        = 24,   /* Reg reads */
614	HAL_DIAG_REGWRITE       = 25,   /* Reg writes */
615	HAL_DIAG_GET_REGBASE    = 26,   /* Get register base */
616	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
617	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
618	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
619	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
620	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
621	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
622};
623
624enum {
625    HAL_BB_HANG_DFS		= 0x0001,
626    HAL_BB_HANG_RIFS		= 0x0002,
627    HAL_BB_HANG_RX_CLEAR	= 0x0004,
628    HAL_BB_HANG_UNKNOWN		= 0x0080,
629
630    HAL_MAC_HANG_SIG1		= 0x0100,
631    HAL_MAC_HANG_SIG2		= 0x0200,
632    HAL_MAC_HANG_UNKNOWN	= 0x8000,
633
634    HAL_BB_HANGS = HAL_BB_HANG_DFS
635		 | HAL_BB_HANG_RIFS
636		 | HAL_BB_HANG_RX_CLEAR
637		 | HAL_BB_HANG_UNKNOWN,
638    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
639		 | HAL_MAC_HANG_SIG2
640		 | HAL_MAC_HANG_UNKNOWN,
641};
642
643/*
644 * Device revision information.
645 */
646typedef struct {
647	uint16_t	ah_devid;		/* PCI device ID */
648	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
649	uint32_t	ah_macVersion;		/* MAC version id */
650	uint16_t	ah_macRev;		/* MAC revision */
651	uint16_t	ah_phyRev;		/* PHY revision */
652	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
653	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
654} HAL_REVS;
655
656/*
657 * Argument payload for HAL_DIAG_SETKEY.
658 */
659typedef struct {
660	HAL_KEYVAL	dk_keyval;
661	uint16_t	dk_keyix;	/* key index */
662	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
663	int		dk_xor;		/* XOR key data */
664} HAL_DIAG_KEYVAL;
665
666/*
667 * Argument payload for HAL_DIAG_EEWRITE.
668 */
669typedef struct {
670	uint16_t	ee_off;		/* eeprom offset */
671	uint16_t	ee_data;	/* write data */
672} HAL_DIAG_EEVAL;
673
674
675typedef struct {
676	u_int offset;		/* reg offset */
677	uint32_t val;		/* reg value  */
678} HAL_DIAG_REGVAL;
679
680/*
681 * 11n compatibility tweaks.
682 */
683#define	HAL_DIAG_11N_SERVICES	0x00000003
684#define	HAL_DIAG_11N_SERVICES_S	0
685#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
686#define	HAL_DIAG_11N_TXSTOMP_S	2
687
688typedef struct {
689	int		maxNoiseImmunityLevel;	/* [0..4] */
690	int		totalSizeDesired[5];
691	int		coarseHigh[5];
692	int		coarseLow[5];
693	int		firpwr[5];
694
695	int		maxSpurImmunityLevel;	/* [0..7] */
696	int		cycPwrThr1[8];
697
698	int		maxFirstepLevel;	/* [0..2] */
699	int		firstep[3];
700
701	uint32_t	ofdmTrigHigh;
702	uint32_t	ofdmTrigLow;
703	int32_t		cckTrigHigh;
704	int32_t		cckTrigLow;
705	int32_t		rssiThrLow;
706	int32_t		rssiThrHigh;
707
708	int		period;			/* update listen period */
709} HAL_ANI_PARAMS;
710
711extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
712			const void *args, uint32_t argsize,
713			void **result, uint32_t *resultsize);
714
715/*
716 * Setup a h/w rate table for use.
717 */
718extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
719
720/*
721 * Common routine for implementing getChanNoise api.
722 */
723int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
724
725/*
726 * Initialization support.
727 */
728typedef struct {
729	const uint32_t	*data;
730	int		rows, cols;
731} HAL_INI_ARRAY;
732
733#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
734	(_ia)->data = (const uint32_t *)(_data);		\
735	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
736	(_ia)->cols = (_cols);					\
737} while (0)
738#define	HAL_INI_VAL(_ia, _r, _c) \
739	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
740
741/*
742 * OS_DELAY() does a PIO READ on the PCI bus which allows
743 * other cards' DMA reads to complete in the middle of our reset.
744 */
745#define DMA_YIELD(x) do {		\
746	if ((++(x) % 64) == 0)		\
747		OS_DELAY(1);		\
748} while (0)
749
750#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
751	int r;								\
752	for (r = 0; r < N(regArray); r++) {				\
753		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
754		DMA_YIELD(regWr);					\
755	}								\
756} while (0)
757
758#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
759	int r;								\
760	for (r = 0; r < N(regArray); r++) {				\
761		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
762		DMA_YIELD(regWr);					\
763	}								\
764} while (0)
765
766extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
767		int col, int regWr);
768extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
769		int col);
770extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
771		const uint32_t data[], int regWr);
772
773#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
774#endif /* _ATH_AH_INTERAL_H_ */
775