ah_internal.h revision 221596
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 221596 2011-05-07 11:05:16Z 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#include "opt_ah.h"			/* needed for AH_SUPPORT_AR5416 */
32
33#ifndef NBBY
34#define	NBBY	8			/* number of bits/byte */
35#endif
36
37#ifndef roundup
38#define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))  /* to any y */
39#endif
40#ifndef howmany
41#define	howmany(x, y)	(((x)+((y)-1))/(y))
42#endif
43
44#ifndef offsetof
45#define	offsetof(type, field)	((size_t)(&((type *)0)->field))
46#endif
47
48typedef struct {
49	uint16_t	start;		/* first register */
50	uint16_t	end;		/* ending register or zero */
51} HAL_REGRANGE;
52
53typedef struct {
54	uint32_t	addr;		/* regiser address/offset */
55	uint32_t	value;		/* value to write */
56} HAL_REGWRITE;
57
58/*
59 * Transmit power scale factor.
60 *
61 * NB: This is not public because we want to discourage the use of
62 *     scaling; folks should use the tx power limit interface.
63 */
64typedef enum {
65	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
66	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
67	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
68	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
69	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
70} HAL_TP_SCALE;
71
72typedef enum {
73 	HAL_CAP_RADAR		= 0,		/* Radar capability */
74 	HAL_CAP_AR		= 1,		/* AR capability */
75} HAL_PHYDIAG_CAPS;
76
77/*
78 * Each chip or class of chips registers to offer support.
79 */
80struct ath_hal_chip {
81	const char	*name;
82	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
83	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
84			    HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata,
85			    HAL_STATUS *error);
86};
87#ifndef AH_CHIP
88#define	AH_CHIP(_name, _probe, _attach)				\
89static struct ath_hal_chip _name##_chip = {			\
90	.name		= #_name,				\
91	.probe		= _probe,				\
92	.attach		= _attach				\
93};								\
94OS_DATA_SET(ah_chips, _name##_chip)
95#endif
96
97/*
98 * Each RF backend registers to offer support; this is mostly
99 * used by multi-chip 5212 solutions.  Single-chip solutions
100 * have a fixed idea about which RF to use.
101 */
102struct ath_hal_rf {
103	const char	*name;
104	HAL_BOOL	(*probe)(struct ath_hal *ah);
105	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
106};
107#ifndef AH_RF
108#define	AH_RF(_name, _probe, _attach)				\
109static struct ath_hal_rf _name##_rf = {				\
110	.name		= __STRING(_name),			\
111	.probe		= _probe,				\
112	.attach		= _attach				\
113};								\
114OS_DATA_SET(ah_rfs, _name##_rf)
115#endif
116
117struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
118
119/*
120 * Maximum number of internal channels.  Entries are per unique
121 * frequency so this might be need to be increased to handle all
122 * usage cases; typically no more than 32 are really needed but
123 * dynamically allocating the data structures is a bit painful
124 * right now.
125 */
126#ifndef AH_MAXCHAN
127#define	AH_MAXCHAN	96
128#endif
129
130/*
131 * Internal per-channel state.  These are found
132 * using ic_devdata in the ieee80211_channel.
133 */
134typedef struct {
135	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
136	uint8_t		privFlags;
137#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
138#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
139#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
140#define	CHANNEL_MIMO_NF_VALID	0x04	/* Mimo NF values are valid */
141	uint8_t		calValid;	/* bitmask of cal types */
142	int8_t		iCoff;
143	int8_t		qCoff;
144	int16_t		rawNoiseFloor;
145	int16_t		noiseFloorAdjust;
146#ifdef	AH_SUPPORT_AR5416
147	int16_t		noiseFloorCtl[AH_MIMO_MAX_CHAINS];
148	int16_t		noiseFloorExt[AH_MIMO_MAX_CHAINS];
149#endif	/* AH_SUPPORT_AR5416 */
150	uint16_t	mainSpur;	/* cached spur value for this channel */
151} HAL_CHANNEL_INTERNAL;
152
153/* channel requires noise floor check */
154#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
155
156/* all full-width channels */
157#define	IEEE80211_CHAN_ALLFULL \
158	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
159#define	IEEE80211_CHAN_ALLTURBOFULL \
160	(IEEE80211_CHAN_ALLTURBO - \
161	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
162
163typedef struct {
164	uint32_t	halChanSpreadSupport 		: 1,
165			halSleepAfterBeaconBroken	: 1,
166			halCompressSupport		: 1,
167			halBurstSupport			: 1,
168			halFastFramesSupport		: 1,
169			halChapTuningSupport		: 1,
170			halTurboGSupport		: 1,
171			halTurboPrimeSupport		: 1,
172			halMicAesCcmSupport		: 1,
173			halMicCkipSupport		: 1,
174			halMicTkipSupport		: 1,
175			halTkipMicTxRxKeySupport	: 1,
176			halCipherAesCcmSupport		: 1,
177			halCipherCkipSupport		: 1,
178			halCipherTkipSupport		: 1,
179			halPSPollBroken			: 1,
180			halVEOLSupport			: 1,
181			halBssIdMaskSupport		: 1,
182			halMcastKeySrchSupport		: 1,
183			halTsfAddSupport		: 1,
184			halChanHalfRate			: 1,
185			halChanQuarterRate		: 1,
186			halHTSupport			: 1,
187			halRfSilentSupport		: 1,
188			halHwPhyCounterSupport		: 1,
189			halWowSupport			: 1,
190			halWowMatchPatternExact		: 1,
191			halAutoSleepSupport		: 1,
192			halFastCCSupport		: 1,
193			halBtCoexSupport		: 1;
194	uint32_t	halRxStbcSupport		: 1,
195			halTxStbcSupport		: 1,
196			halGTTSupport			: 1,
197			halCSTSupport			: 1,
198			halRifsRxSupport		: 1,
199			halRifsTxSupport		: 1,
200			halExtChanDfsSupport		: 1,
201			halForcePpmSupport		: 1,
202			halEnhancedPmSupport		: 1,
203			halMbssidAggrSupport		: 1,
204			halBssidMatchSupport		: 1,
205			hal4kbSplitTransSupport		: 1,
206			halHasPsPollSupport		: 1,
207			halHasRxSelfLinkedTail		: 1;
208	uint32_t	halWirelessModes;
209	uint16_t	halTotalQueues;
210	uint16_t	halKeyCacheSize;
211	uint16_t	halLow5GhzChan, halHigh5GhzChan;
212	uint16_t	halLow2GhzChan, halHigh2GhzChan;
213	int		halTstampPrecision;
214	int		halRtsAggrLimit;
215	uint8_t		halTxChainMask;
216	uint8_t		halRxChainMask;
217	uint8_t		halNumGpioPins;
218	uint8_t		halNumAntCfg2GHz;
219	uint8_t		halNumAntCfg5GHz;
220	uint32_t	halIntrMask;
221	uint8_t		halTxStreams;
222	uint8_t		halRxStreams;
223} HAL_CAPABILITIES;
224
225struct regDomain;
226
227/*
228 * The ``private area'' follows immediately after the ``public area''
229 * in the data structure returned by ath_hal_attach.  Private data are
230 * used by device-independent code such as the regulatory domain support.
231 * In general, code within the HAL should never depend on data in the
232 * public area.  Instead any public data needed internally should be
233 * shadowed here.
234 *
235 * When declaring a device-specific ath_hal data structure this structure
236 * is assumed to at the front; e.g.
237 *
238 *	struct ath_hal_5212 {
239 *		struct ath_hal_private	ah_priv;
240 *		...
241 *	};
242 *
243 * It might be better to manage the method pointers in this structure
244 * using an indirect pointer to a read-only data structure but this would
245 * disallow class-style method overriding.
246 */
247struct ath_hal_private {
248	struct ath_hal	h;			/* public area */
249
250	/* NB: all methods go first to simplify initialization */
251	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
252				uint16_t channelFlags,
253				uint16_t *lowChannel, uint16_t *highChannel);
254	u_int		(*ah_getWirelessModes)(struct ath_hal*);
255	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
256				uint16_t *data);
257	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
258				uint16_t data);
259	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
260				struct ieee80211_channel *);
261	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
262				const HAL_CHANNEL_INTERNAL*);
263	void		(*ah_getNoiseFloor)(struct ath_hal *,
264				int16_t nfarray[]);
265
266	void		*ah_eeprom;		/* opaque EEPROM state */
267	uint16_t	ah_eeversion;		/* EEPROM version */
268	void		(*ah_eepromDetach)(struct ath_hal *);
269	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
270	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
271	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
272	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
273			    const void *args, uint32_t argsize,
274			    void **result, uint32_t *resultsize);
275
276	/*
277	 * Device revision information.
278	 */
279	uint16_t	ah_devid;		/* PCI device ID */
280	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
281	uint32_t	ah_macVersion;		/* MAC version id */
282	uint16_t	ah_macRev;		/* MAC revision */
283	uint16_t	ah_phyRev;		/* PHY revision */
284	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
285	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
286	uint8_t		ah_ispcie;		/* PCIE, special treatment */
287
288	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
289	const struct ieee80211_channel *ah_curchan;/* operating channel */
290	HAL_CAPABILITIES ah_caps;		/* device capabilities */
291	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
292	int16_t		ah_powerLimit;		/* tx power cap */
293	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
294	u_int		ah_tpScale;		/* tx power scale factor */
295	uint32_t	ah_11nCompat;		/* 11n compat controls */
296
297	/*
298	 * State for regulatory domain handling.
299	 */
300	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
301	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
302	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
303	u_int		ah_nchan;		/* valid items in ah_channels */
304	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
305	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
306
307	uint8_t    	ah_coverageClass;   	/* coverage class */
308	/*
309	 * RF Silent handling; setup according to the EEPROM.
310	 */
311	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
312	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
313	/*
314	 * Diagnostic support for discriminating HIUERR reports.
315	 */
316	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
317	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
318};
319
320#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
321
322#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
323	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
324#define	ath_hal_getWirelessModes(_ah) \
325	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
326#define	ath_hal_eepromRead(_ah, _off, _data) \
327	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
328#define	ath_hal_eepromWrite(_ah, _off, _data) \
329	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
330#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
331	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
332#define	ath_hal_gpioCfgInput(_ah, _gpio) \
333	(_ah)->ah_gpioCfgInput(_ah, _gpio)
334#define	ath_hal_gpioGet(_ah, _gpio) \
335	(_ah)->ah_gpioGet(_ah, _gpio)
336#define	ath_hal_gpioSet(_ah, _gpio, _val) \
337	(_ah)->ah_gpioSet(_ah, _gpio, _val)
338#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
339	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
340#define	ath_hal_getpowerlimits(_ah, _chan) \
341	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
342#define ath_hal_getNfAdjust(_ah, _c) \
343	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
344#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
345	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
346#define	ath_hal_configPCIE(_ah, _reset) \
347	(_ah)->ah_configPCIE(_ah, _reset)
348#define	ath_hal_disablePCIE(_ah) \
349	(_ah)->ah_disablePCIE(_ah)
350#define	ath_hal_setInterrupts(_ah, _mask) \
351	(_ah)->ah_setInterrupts(_ah, _mask)
352
353#define	ath_hal_eepromDetach(_ah) do {				\
354	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
355		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
356} while (0)
357#define	ath_hal_eepromGet(_ah, _param, _val) \
358	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
359#define	ath_hal_eepromSet(_ah, _param, _val) \
360	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
361#define	ath_hal_eepromGetFlag(_ah, _param) \
362	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
363#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
364	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
365#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
366	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
367
368#ifndef _NET_IF_IEEE80211_H_
369/*
370 * Stuff that would naturally come from _ieee80211.h
371 */
372#define	IEEE80211_ADDR_LEN		6
373
374#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
375#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
376#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
377
378#define	IEEE80211_CRC_LEN			4
379
380#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
381    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
382#endif /* _NET_IF_IEEE80211_H_ */
383
384#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
385
386#define INIT_AIFS		2
387#define INIT_CWMIN		15
388#define INIT_CWMIN_11B		31
389#define INIT_CWMAX		1023
390#define INIT_SH_RETRY		10
391#define INIT_LG_RETRY		10
392#define INIT_SSH_RETRY		32
393#define INIT_SLG_RETRY		32
394
395typedef struct {
396	uint32_t	tqi_ver;		/* HAL TXQ verson */
397	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
398	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
399	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
400	uint32_t	tqi_priority;
401	uint32_t	tqi_aifs;		/* aifs */
402	uint32_t	tqi_cwmin;		/* cwMin */
403	uint32_t	tqi_cwmax;		/* cwMax */
404	uint16_t	tqi_shretry;		/* frame short retry limit */
405	uint16_t	tqi_lgretry;		/* frame long retry limit */
406	uint32_t	tqi_cbrPeriod;
407	uint32_t	tqi_cbrOverflowLimit;
408	uint32_t	tqi_burstTime;
409	uint32_t	tqi_readyTime;
410	uint32_t	tqi_physCompBuf;
411	uint32_t	tqi_intFlags;		/* flags for internal use */
412} HAL_TX_QUEUE_INFO;
413
414extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
415		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
416extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
417		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
418
419typedef enum {
420	HAL_ANI_PRESENT = 0x1,			/* is ANI support present */
421	HAL_ANI_NOISE_IMMUNITY_LEVEL = 0x2,	/* set level */
422	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 0x4,	/* enable/disable */
423	HAL_ANI_CCK_WEAK_SIGNAL_THR = 0x8,		/* enable/disable */
424	HAL_ANI_FIRSTEP_LEVEL = 0x10,			/* set level */
425	HAL_ANI_SPUR_IMMUNITY_LEVEL = 0x20,		/* set level */
426	HAL_ANI_MODE = 0x40,	/* 0 => manual, 1 => auto (XXX do not change) */
427	HAL_ANI_PHYERR_RESET =0x80,			/* reset phy error stats */
428	HAL_ANI_ALL = 0xff
429} HAL_ANI_CMD;
430
431#define	HAL_SPUR_VAL_MASK		0x3FFF
432#define	HAL_SPUR_CHAN_WIDTH		87
433#define	HAL_BIN_WIDTH_BASE_100HZ	3125
434#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
435#define	HAL_MAX_BINS_ALLOWED		28
436
437#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
438#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
439
440#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
441
442/*
443 * Deduce if the host cpu has big- or litt-endian byte order.
444 */
445static __inline__ int
446isBigEndian(void)
447{
448	union {
449		int32_t i;
450		char c[4];
451	} u;
452	u.i = 1;
453	return (u.c[0] == 0);
454}
455
456/* unalligned little endian access */
457#define LE_READ_2(p)							\
458	((uint16_t)							\
459	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
460#define LE_READ_4(p)							\
461	((uint32_t)							\
462	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
463	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
464
465/*
466 * Register manipulation macros that expect bit field defines
467 * to follow the convention that an _S suffix is appended for
468 * a shift count, while the field mask has no suffix.
469 */
470#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
471#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
472#define OS_REG_RMW(_a, _r, _set, _clr)    \
473	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
474#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
475	OS_REG_WRITE(_a, _r, \
476		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
477#define	OS_REG_SET_BIT(_a, _r, _f) \
478	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
479#define	OS_REG_CLR_BIT(_a, _r, _f) \
480	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
481
482/* Analog register writes may require a delay between each one (eg Merlin?) */
483#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
484	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
485
486/* system-configurable parameters */
487extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
488extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
489extern	int ath_hal_additional_swba_backoff;	/* in TU's */
490extern	int ath_hal_ar5416_biasadj;		/* 1 or 0 */
491
492/* wait for the register contents to have the specified value */
493extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
494		uint32_t mask, uint32_t val);
495extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
496		uint32_t mask, uint32_t val, uint32_t timeout);
497
498/* return the first n bits in val reversed */
499extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
500
501/* printf interfaces */
502extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
503		__printflike(2,3);
504extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
505		__printflike(2, 0);
506extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
507
508/* allocate and free memory */
509extern	void *ath_hal_malloc(size_t);
510extern	void ath_hal_free(void *);
511
512/* common debugging interfaces */
513#ifdef AH_DEBUG
514#include "ah_debug.h"
515extern	int ath_hal_debug;
516#define	HALDEBUG(_ah, __m, ...) \
517	do {							\
518		if (ath_hal_debug & (__m)) {			\
519			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
520		}						\
521	} while(0);
522
523extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
524	__printflike(3,4);
525#else
526#define HALDEBUG(_ah, __m, _fmt, ...)
527#endif /* AH_DEBUG */
528
529/*
530 * Register logging definitions shared with ardecode.
531 */
532#include "ah_decode.h"
533
534/*
535 * Common assertion interface.  Note: it is a bad idea to generate
536 * an assertion failure for any recoverable event.  Instead catch
537 * the violation and, if possible, fix it up or recover from it; either
538 * with an error return value or a diagnostic messages.  System software
539 * does not panic unless the situation is hopeless.
540 */
541#ifdef AH_ASSERT
542extern	void ath_hal_assert_failed(const char* filename,
543		int lineno, const char* msg);
544
545#define	HALASSERT(_x) do {					\
546	if (!(_x)) {						\
547		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
548	}							\
549} while (0)
550#else
551#define	HALASSERT(_x)
552#endif /* AH_ASSERT */
553
554/*
555 * Regulatory domain support.
556 */
557
558/*
559 * Return the max allowed antenna gain and apply any regulatory
560 * domain specific changes.
561 */
562u_int	ath_hal_getantennareduction(struct ath_hal *ah,
563	    const struct ieee80211_channel *chan, u_int twiceGain);
564
565/*
566 * Return the test group for the specific channel based on
567 * the current regulatory setup.
568 */
569u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
570
571/*
572 * Map a public channel definition to the corresponding
573 * internal data structure.  This implicitly specifies
574 * whether or not the specified channel is ok to use
575 * based on the current regulatory domain constraints.
576 */
577#ifndef AH_DEBUG
578static OS_INLINE HAL_CHANNEL_INTERNAL *
579ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
580{
581	HAL_CHANNEL_INTERNAL *cc;
582
583	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
584	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
585	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
586	return cc;
587}
588#else
589/* NB: non-inline version that checks state */
590HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
591		const struct ieee80211_channel *);
592#endif /* AH_DEBUG */
593
594/*
595 * Return the h/w frequency for a channel.  This may be
596 * different from ic_freq if this is a GSM device that
597 * takes 2.4GHz frequencies and down-converts them.
598 */
599static OS_INLINE uint16_t
600ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
601{
602	return ath_hal_checkchannel(ah, c)->channel;
603}
604
605/*
606 * Convert between microseconds and core system clocks.
607 */
608extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
609extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
610
611/*
612 * Generic get/set capability support.  Each chip overrides
613 * this routine to support chip-specific capabilities.
614 */
615extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
616		HAL_CAPABILITY_TYPE type, uint32_t capability,
617		uint32_t *result);
618extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
619		HAL_CAPABILITY_TYPE type, uint32_t capability,
620		uint32_t setting, HAL_STATUS *status);
621
622/* The diagnostic codes used to be internally defined here -adrian */
623#include "ah_diagcodes.h"
624
625enum {
626    HAL_BB_HANG_DFS		= 0x0001,
627    HAL_BB_HANG_RIFS		= 0x0002,
628    HAL_BB_HANG_RX_CLEAR	= 0x0004,
629    HAL_BB_HANG_UNKNOWN		= 0x0080,
630
631    HAL_MAC_HANG_SIG1		= 0x0100,
632    HAL_MAC_HANG_SIG2		= 0x0200,
633    HAL_MAC_HANG_UNKNOWN	= 0x8000,
634
635    HAL_BB_HANGS = HAL_BB_HANG_DFS
636		 | HAL_BB_HANG_RIFS
637		 | HAL_BB_HANG_RX_CLEAR
638		 | HAL_BB_HANG_UNKNOWN,
639    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
640		 | HAL_MAC_HANG_SIG2
641		 | HAL_MAC_HANG_UNKNOWN,
642};
643
644/*
645 * Device revision information.
646 */
647typedef struct {
648	uint16_t	ah_devid;		/* PCI device ID */
649	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
650	uint32_t	ah_macVersion;		/* MAC version id */
651	uint16_t	ah_macRev;		/* MAC revision */
652	uint16_t	ah_phyRev;		/* PHY revision */
653	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
654	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
655} HAL_REVS;
656
657/*
658 * Argument payload for HAL_DIAG_SETKEY.
659 */
660typedef struct {
661	HAL_KEYVAL	dk_keyval;
662	uint16_t	dk_keyix;	/* key index */
663	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
664	int		dk_xor;		/* XOR key data */
665} HAL_DIAG_KEYVAL;
666
667/*
668 * Argument payload for HAL_DIAG_EEWRITE.
669 */
670typedef struct {
671	uint16_t	ee_off;		/* eeprom offset */
672	uint16_t	ee_data;	/* write data */
673} HAL_DIAG_EEVAL;
674
675
676typedef struct {
677	u_int offset;		/* reg offset */
678	uint32_t val;		/* reg value  */
679} HAL_DIAG_REGVAL;
680
681/*
682 * 11n compatibility tweaks.
683 */
684#define	HAL_DIAG_11N_SERVICES	0x00000003
685#define	HAL_DIAG_11N_SERVICES_S	0
686#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
687#define	HAL_DIAG_11N_TXSTOMP_S	2
688
689typedef struct {
690	int		maxNoiseImmunityLevel;	/* [0..4] */
691	int		totalSizeDesired[5];
692	int		coarseHigh[5];
693	int		coarseLow[5];
694	int		firpwr[5];
695
696	int		maxSpurImmunityLevel;	/* [0..7] */
697	int		cycPwrThr1[8];
698
699	int		maxFirstepLevel;	/* [0..2] */
700	int		firstep[3];
701
702	uint32_t	ofdmTrigHigh;
703	uint32_t	ofdmTrigLow;
704	int32_t		cckTrigHigh;
705	int32_t		cckTrigLow;
706	int32_t		rssiThrLow;
707	int32_t		rssiThrHigh;
708
709	int		period;			/* update listen period */
710} HAL_ANI_PARAMS;
711
712extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
713			const void *args, uint32_t argsize,
714			void **result, uint32_t *resultsize);
715
716/*
717 * Setup a h/w rate table for use.
718 */
719extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
720
721/*
722 * Common routine for implementing getChanNoise api.
723 */
724int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
725
726/*
727 * Initialization support.
728 */
729typedef struct {
730	const uint32_t	*data;
731	int		rows, cols;
732} HAL_INI_ARRAY;
733
734#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
735	(_ia)->data = (const uint32_t *)(_data);		\
736	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
737	(_ia)->cols = (_cols);					\
738} while (0)
739#define	HAL_INI_VAL(_ia, _r, _c) \
740	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
741
742/*
743 * OS_DELAY() does a PIO READ on the PCI bus which allows
744 * other cards' DMA reads to complete in the middle of our reset.
745 */
746#define DMA_YIELD(x) do {		\
747	if ((++(x) % 64) == 0)		\
748		OS_DELAY(1);		\
749} while (0)
750
751#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
752	int r;								\
753	for (r = 0; r < N(regArray); r++) {				\
754		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
755		DMA_YIELD(regWr);					\
756	}								\
757} while (0)
758
759#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
760	int r;								\
761	for (r = 0; r < N(regArray); r++) {				\
762		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
763		DMA_YIELD(regWr);					\
764	}								\
765} while (0)
766
767extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
768		int col, int regWr);
769extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
770		int col);
771extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
772		const uint32_t data[], int regWr);
773
774#define	CCK_SIFS_TIME		10
775#define	CCK_PREAMBLE_BITS	144
776#define	CCK_PLCP_BITS		48
777
778#define	OFDM_SIFS_TIME		16
779#define	OFDM_PREAMBLE_TIME	20
780#define	OFDM_PLCP_BITS		22
781#define	OFDM_SYMBOL_TIME	4
782
783#define	OFDM_HALF_SIFS_TIME	32
784#define	OFDM_HALF_PREAMBLE_TIME	40
785#define	OFDM_HALF_PLCP_BITS	22
786#define	OFDM_HALF_SYMBOL_TIME	8
787
788#define	OFDM_QUARTER_SIFS_TIME 		64
789#define	OFDM_QUARTER_PREAMBLE_TIME	80
790#define	OFDM_QUARTER_PLCP_BITS		22
791#define	OFDM_QUARTER_SYMBOL_TIME	16
792
793#define	TURBO_SIFS_TIME		8
794#define	TURBO_PREAMBLE_TIME	14
795#define	TURBO_PLCP_BITS		22
796#define	TURBO_SYMBOL_TIME	4
797
798#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
799
800/* Generic EEPROM board value functions */
801extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
802	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
803extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
804	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
805	uint8_t *pRetVpdList);
806extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
807	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
808
809/* Whether 5ghz fast clock is needed for Merlin and later */
810#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
811	(IEEE80211_IS_CHAN_5GHZ(_c) && \
812	ath_hal_eepromGetFlag(ah, AR_EEP_FSTCLK_5G))
813
814
815#endif /* _ATH_AH_INTERAL_H_ */
816