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: stable/11/sys/dev/ath/ath_hal/ah_internal.h 343493 2019-01-27 14:27:53Z avos $
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	AH_SUPPORT_AR5416
34#define	AH_SUPPORT_AR5416	1
35#endif
36
37#ifndef NBBY
38#define	NBBY	8			/* number of bits/byte */
39#endif
40
41#ifndef roundup
42#define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))  /* to any y */
43#endif
44#ifndef howmany
45#define	howmany(x, y)	(((x)+((y)-1))/(y))
46#endif
47
48#ifndef offsetof
49#define	offsetof(type, field)	((size_t)(&((type *)0)->field))
50#endif
51
52typedef struct {
53	uint32_t	start;		/* first register */
54	uint32_t	end;		/* ending register or zero */
55} HAL_REGRANGE;
56
57typedef struct {
58	uint32_t	addr;		/* regiser address/offset */
59	uint32_t	value;		/* value to write */
60} HAL_REGWRITE;
61
62/*
63 * Transmit power scale factor.
64 *
65 * NB: This is not public because we want to discourage the use of
66 *     scaling; folks should use the tx power limit interface.
67 */
68typedef enum {
69	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
70	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
71	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
72	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
73	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
74} HAL_TP_SCALE;
75
76typedef enum {
77 	HAL_CAP_RADAR		= 0,		/* Radar capability */
78 	HAL_CAP_AR		= 1,		/* AR capability */
79} HAL_PHYDIAG_CAPS;
80
81/*
82 * Enable/disable strong signal fast diversity
83 */
84#define	HAL_CAP_STRONG_DIV		2
85
86/*
87 * Each chip or class of chips registers to offer support.
88 */
89struct ath_hal_chip {
90	const char	*name;
91	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
92	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
93			    HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata,
94			    HAL_OPS_CONFIG *ah,
95			    HAL_STATUS *error);
96};
97#ifndef AH_CHIP
98#define	AH_CHIP(_name, _probe, _attach)				\
99static struct ath_hal_chip _name##_chip = {			\
100	.name		= #_name,				\
101	.probe		= _probe,				\
102	.attach		= _attach				\
103};								\
104OS_DATA_SET(ah_chips, _name##_chip)
105#endif
106
107/*
108 * Each RF backend registers to offer support; this is mostly
109 * used by multi-chip 5212 solutions.  Single-chip solutions
110 * have a fixed idea about which RF to use.
111 */
112struct ath_hal_rf {
113	const char	*name;
114	HAL_BOOL	(*probe)(struct ath_hal *ah);
115	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
116};
117#ifndef AH_RF
118#define	AH_RF(_name, _probe, _attach)				\
119static struct ath_hal_rf _name##_rf = {				\
120	.name		= __STRING(_name),			\
121	.probe		= _probe,				\
122	.attach		= _attach				\
123};								\
124OS_DATA_SET(ah_rfs, _name##_rf)
125#endif
126
127struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
128
129/*
130 * Maximum number of internal channels.  Entries are per unique
131 * frequency so this might be need to be increased to handle all
132 * usage cases; typically no more than 32 are really needed but
133 * dynamically allocating the data structures is a bit painful
134 * right now.
135 */
136#ifndef AH_MAXCHAN
137#define	AH_MAXCHAN	128
138#endif
139
140#define	HAL_NF_CAL_HIST_LEN_FULL	5
141#define	HAL_NF_CAL_HIST_LEN_SMALL	1
142#define	HAL_NUM_NF_READINGS		6	/* 3 chains * (ctl + ext) */
143#define	HAL_NF_LOAD_DELAY		1000
144
145/*
146 * PER_CHAN doesn't work for now, as it looks like the device layer
147 * has to pre-populate the per-channel list with nominal values.
148 */
149//#define	ATH_NF_PER_CHAN		1
150
151typedef struct {
152    u_int8_t    curr_index;
153    int8_t      invalidNFcount; /* TO DO: REMOVE THIS! */
154    int16_t     priv_nf[HAL_NUM_NF_READINGS];
155} HAL_NFCAL_BASE;
156
157typedef struct {
158    HAL_NFCAL_BASE base;
159    int16_t     nf_cal_buffer[HAL_NF_CAL_HIST_LEN_FULL][HAL_NUM_NF_READINGS];
160} HAL_NFCAL_HIST_FULL;
161
162typedef struct {
163    HAL_NFCAL_BASE base;
164    int16_t     nf_cal_buffer[HAL_NF_CAL_HIST_LEN_SMALL][HAL_NUM_NF_READINGS];
165} HAL_NFCAL_HIST_SMALL;
166
167#ifdef	ATH_NF_PER_CHAN
168typedef HAL_NFCAL_HIST_FULL HAL_CHAN_NFCAL_HIST;
169#define	AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (ichan ? &ichan->nf_cal_hist: NULL)
170#else
171typedef HAL_NFCAL_HIST_SMALL HAL_CHAN_NFCAL_HIST;
172#define	AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (&AH_PRIVATE(ah)->nf_cal_hist)
173#endif	/* ATH_NF_PER_CHAN */
174
175/*
176 * Internal per-channel state.  These are found
177 * using ic_devdata in the ieee80211_channel.
178 */
179typedef struct {
180	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
181	uint8_t		privFlags;
182#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
183#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
184#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
185#define	CHANNEL_MIMO_NF_VALID	0x04	/* Mimo NF values are valid */
186	uint8_t		calValid;	/* bitmask of cal types */
187	int8_t		iCoff;
188	int8_t		qCoff;
189	int16_t		rawNoiseFloor;
190	int16_t		noiseFloorAdjust;
191#ifdef	AH_SUPPORT_AR5416
192	int16_t		noiseFloorCtl[AH_MAX_CHAINS];
193	int16_t		noiseFloorExt[AH_MAX_CHAINS];
194#endif	/* AH_SUPPORT_AR5416 */
195	uint16_t	mainSpur;	/* cached spur value for this channel */
196
197	/*XXX TODO: make these part of privFlags */
198	uint8_t  paprd_done:1,           /* 1: PAPRD DONE, 0: PAPRD Cal not done */
199	       paprd_table_write_done:1; /* 1: DONE, 0: Cal data write not done */
200	int		one_time_cals_done;
201	HAL_CHAN_NFCAL_HIST nf_cal_hist;
202} HAL_CHANNEL_INTERNAL;
203
204/* channel requires noise floor check */
205#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
206
207/* all full-width channels */
208#define	IEEE80211_CHAN_ALLFULL \
209	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
210#define	IEEE80211_CHAN_ALLTURBOFULL \
211	(IEEE80211_CHAN_ALLTURBO - \
212	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
213
214typedef struct {
215	uint32_t	halChanSpreadSupport 		: 1,
216			halSleepAfterBeaconBroken	: 1,
217			halCompressSupport		: 1,
218			halBurstSupport			: 1,
219			halFastFramesSupport		: 1,
220			halChapTuningSupport		: 1,
221			halTurboGSupport		: 1,
222			halTurboPrimeSupport		: 1,
223			halMicAesCcmSupport		: 1,
224			halMicCkipSupport		: 1,
225			halMicTkipSupport		: 1,
226			halTkipMicTxRxKeySupport	: 1,
227			halCipherAesCcmSupport		: 1,
228			halCipherCkipSupport		: 1,
229			halCipherTkipSupport		: 1,
230			halPSPollBroken			: 1,
231			halVEOLSupport			: 1,
232			halBssIdMaskSupport		: 1,
233			halMcastKeySrchSupport		: 1,
234			halTsfAddSupport		: 1,
235			halChanHalfRate			: 1,
236			halChanQuarterRate		: 1,
237			halHTSupport			: 1,
238			halHTSGI20Support		: 1,
239			halRfSilentSupport		: 1,
240			halHwPhyCounterSupport		: 1,
241			halWowSupport			: 1,
242			halWowMatchPatternExact		: 1,
243			halAutoSleepSupport		: 1,
244			halFastCCSupport		: 1,
245			halBtCoexSupport		: 1;
246	uint32_t	halRxStbcSupport		: 1,
247			halTxStbcSupport		: 1,
248			halGTTSupport			: 1,
249			halCSTSupport			: 1,
250			halRifsRxSupport		: 1,
251			halRifsTxSupport		: 1,
252			hal4AddrAggrSupport		: 1,
253			halExtChanDfsSupport		: 1,
254			halUseCombinedRadarRssi		: 1,
255			halForcePpmSupport		: 1,
256			halEnhancedPmSupport		: 1,
257			halEnhancedDfsSupport		: 1,
258			halMbssidAggrSupport		: 1,
259			halBssidMatchSupport		: 1,
260			hal4kbSplitTransSupport		: 1,
261			halHasRxSelfLinkedTail		: 1,
262			halSupportsFastClock5GHz	: 1,
263			halHasLongRxDescTsf		: 1,
264			halHasBBReadWar			: 1,
265			halSerialiseRegWar		: 1,
266			halMciSupport			: 1,
267			halRxTxAbortSupport		: 1,
268			halPaprdEnabled			: 1,
269			halHasUapsdSupport		: 1,
270			halWpsPushButtonSupport		: 1,
271			halBtCoexApsmWar		: 1,
272			halGenTimerSupport		: 1,
273			halLDPCSupport			: 1,
274			halHwBeaconProcSupport		: 1,
275			halEnhancedDmaSupport		: 1;
276	uint32_t	halIsrRacSupport		: 1,
277			halApmEnable			: 1,
278			halIntrMitigation		: 1,
279			hal49GhzSupport			: 1,
280			halAntDivCombSupport		: 1,
281			halAntDivCombSupportOrg		: 1,
282			halRadioRetentionSupport	: 1,
283			halSpectralScanSupport		: 1,
284			halRxUsingLnaMixing		: 1,
285			halRxDoMyBeacon			: 1,
286			halHwUapsdTrig			: 1;
287
288	uint32_t	halWirelessModes;
289	uint16_t	halTotalQueues;
290	uint16_t	halKeyCacheSize;
291	uint16_t	halLow5GhzChan, halHigh5GhzChan;
292	uint16_t	halLow2GhzChan, halHigh2GhzChan;
293	int		halTstampPrecision;
294	int		halRtsAggrLimit;
295	uint8_t		halTxChainMask;
296	uint8_t		halRxChainMask;
297	uint8_t		halNumGpioPins;
298	uint8_t		halNumAntCfg2GHz;
299	uint8_t		halNumAntCfg5GHz;
300	uint32_t	halIntrMask;
301	uint8_t		halTxStreams;
302	uint8_t		halRxStreams;
303	HAL_MFP_OPT_T	halMfpSupport;
304
305	/* AR9300 HAL porting capabilities */
306	int		hal_paprd_enabled;
307	int		hal_pcie_lcr_offset;
308	int		hal_pcie_lcr_extsync_en;
309	int		halNumTxMaps;
310	int		halTxDescLen;
311	int		halTxStatusLen;
312	int		halRxStatusLen;
313	int		halRxHpFifoDepth;
314	int		halRxLpFifoDepth;
315	uint32_t	halRegCap;		/* XXX needed? */
316	int		halNumMRRetries;
317	int		hal_ani_poll_interval;
318	int		hal_channel_switch_time_usec;
319} HAL_CAPABILITIES;
320
321struct regDomain;
322
323/*
324 * Definitions for ah_flags in ath_hal_private
325 */
326#define		AH_USE_EEPROM	0x1
327#define		AH_IS_HB63	0x2
328
329/*
330 * The ``private area'' follows immediately after the ``public area''
331 * in the data structure returned by ath_hal_attach.  Private data are
332 * used by device-independent code such as the regulatory domain support.
333 * In general, code within the HAL should never depend on data in the
334 * public area.  Instead any public data needed internally should be
335 * shadowed here.
336 *
337 * When declaring a device-specific ath_hal data structure this structure
338 * is assumed to at the front; e.g.
339 *
340 *	struct ath_hal_5212 {
341 *		struct ath_hal_private	ah_priv;
342 *		...
343 *	};
344 *
345 * It might be better to manage the method pointers in this structure
346 * using an indirect pointer to a read-only data structure but this would
347 * disallow class-style method overriding.
348 */
349struct ath_hal_private {
350	struct ath_hal	h;			/* public area */
351
352	/* NB: all methods go first to simplify initialization */
353	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
354				uint16_t channelFlags,
355				uint16_t *lowChannel, uint16_t *highChannel);
356	u_int		(*ah_getWirelessModes)(struct ath_hal*);
357	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
358				uint16_t *data);
359	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
360				uint16_t data);
361	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
362				struct ieee80211_channel *);
363	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
364				const HAL_CHANNEL_INTERNAL*);
365	void		(*ah_getNoiseFloor)(struct ath_hal *,
366				int16_t nfarray[]);
367
368	void		*ah_eeprom;		/* opaque EEPROM state */
369	uint16_t	ah_eeversion;		/* EEPROM version */
370	void		(*ah_eepromDetach)(struct ath_hal *);
371	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
372	HAL_STATUS	(*ah_eepromSet)(struct ath_hal *, int, int);
373	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
374	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
375			    const void *args, uint32_t argsize,
376			    void **result, uint32_t *resultsize);
377
378	/*
379	 * Device revision information.
380	 */
381	uint16_t	ah_devid;		/* PCI device ID */
382	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
383	uint32_t	ah_macVersion;		/* MAC version id */
384	uint16_t	ah_macRev;		/* MAC revision */
385	uint16_t	ah_phyRev;		/* PHY revision */
386	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
387	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
388	uint32_t	ah_flags;		/* misc flags */
389	uint8_t		ah_ispcie;		/* PCIE, special treatment */
390	uint8_t		ah_devType;		/* card type - CB, PCI, PCIe */
391
392	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
393	const struct ieee80211_channel *ah_curchan;/* operating channel */
394	HAL_CAPABILITIES ah_caps;		/* device capabilities */
395	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
396	int16_t		ah_powerLimit;		/* tx power cap */
397	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
398	u_int		ah_tpScale;		/* tx power scale factor */
399	u_int16_t	ah_extraTxPow;		/* low rates extra-txpower */
400	uint32_t	ah_11nCompat;		/* 11n compat controls */
401
402	/*
403	 * State for regulatory domain handling.
404	 */
405	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
406	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
407	HAL_DFS_DOMAIN	ah_dfsDomain;		/* current DFS domain */
408	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
409	u_int		ah_nchan;		/* valid items in ah_channels */
410	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
411	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
412
413	uint8_t    	ah_coverageClass;   	/* coverage class */
414	/*
415	 * RF Silent handling; setup according to the EEPROM.
416	 */
417	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
418	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
419	/*
420	 * Diagnostic support for discriminating HIUERR reports.
421	 */
422	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
423	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
424
425	/* Only used if ATH_NF_PER_CHAN is defined */
426	HAL_NFCAL_HIST_FULL	nf_cal_hist;
427
428	/*
429	 * Channel survey history - current channel only.
430	 */
431	 HAL_CHANNEL_SURVEY	ah_chansurvey;	/* channel survey */
432};
433
434#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
435
436#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
437	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
438#define	ath_hal_getWirelessModes(_ah) \
439	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
440#define	ath_hal_eepromRead(_ah, _off, _data) \
441	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
442#define	ath_hal_eepromWrite(_ah, _off, _data) \
443	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
444#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
445	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
446#define	ath_hal_gpioCfgInput(_ah, _gpio) \
447	(_ah)->ah_gpioCfgInput(_ah, _gpio)
448#define	ath_hal_gpioGet(_ah, _gpio) \
449	(_ah)->ah_gpioGet(_ah, _gpio)
450#define	ath_hal_gpioSet(_ah, _gpio, _val) \
451	(_ah)->ah_gpioSet(_ah, _gpio, _val)
452#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
453	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
454#define	ath_hal_getpowerlimits(_ah, _chan) \
455	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
456#define ath_hal_getNfAdjust(_ah, _c) \
457	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
458#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
459	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
460#define	ath_hal_configPCIE(_ah, _reset, _poweroff) \
461	(_ah)->ah_configPCIE(_ah, _reset, _poweroff)
462#define	ath_hal_disablePCIE(_ah) \
463	(_ah)->ah_disablePCIE(_ah)
464#define	ath_hal_setInterrupts(_ah, _mask) \
465	(_ah)->ah_setInterrupts(_ah, _mask)
466
467#define ath_hal_isrfkillenabled(_ah)  \
468    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, AH_NULL) == HAL_OK)
469#define ath_hal_enable_rfkill(_ah, _v) \
470    ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _v, AH_NULL)
471#define ath_hal_hasrfkill_int(_ah)  \
472    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 3, AH_NULL) == HAL_OK)
473
474#define	ath_hal_eepromDetach(_ah) do {				\
475	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
476		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
477} while (0)
478#define	ath_hal_eepromGet(_ah, _param, _val) \
479	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
480#define	ath_hal_eepromSet(_ah, _param, _val) \
481	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
482#define	ath_hal_eepromGetFlag(_ah, _param) \
483	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
484#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
485	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
486#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
487	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
488
489#ifndef _NET_IF_IEEE80211_H_
490/*
491 * Stuff that would naturally come from _ieee80211.h
492 */
493#define	IEEE80211_ADDR_LEN		6
494
495#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
496#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
497#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
498
499#define	IEEE80211_CRC_LEN			4
500
501#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
502    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
503#endif /* _NET_IF_IEEE80211_H_ */
504
505#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
506
507#define INIT_AIFS		2
508#define INIT_CWMIN		15
509#define INIT_CWMIN_11B		31
510#define INIT_CWMAX		1023
511#define INIT_SH_RETRY		10
512#define INIT_LG_RETRY		10
513#define INIT_SSH_RETRY		32
514#define INIT_SLG_RETRY		32
515
516typedef struct {
517	uint32_t	tqi_ver;		/* HAL TXQ verson */
518	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
519	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
520	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
521	uint32_t	tqi_priority;
522	uint32_t	tqi_aifs;		/* aifs */
523	uint32_t	tqi_cwmin;		/* cwMin */
524	uint32_t	tqi_cwmax;		/* cwMax */
525	uint16_t	tqi_shretry;		/* frame short retry limit */
526	uint16_t	tqi_lgretry;		/* frame long retry limit */
527	uint32_t	tqi_cbrPeriod;
528	uint32_t	tqi_cbrOverflowLimit;
529	uint32_t	tqi_burstTime;
530	uint32_t	tqi_readyTime;
531	uint32_t	tqi_physCompBuf;
532	uint32_t	tqi_intFlags;		/* flags for internal use */
533} HAL_TX_QUEUE_INFO;
534
535extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
536		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
537extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
538		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
539
540#define	HAL_SPUR_VAL_MASK		0x3FFF
541#define	HAL_SPUR_CHAN_WIDTH		87
542#define	HAL_BIN_WIDTH_BASE_100HZ	3125
543#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
544#define	HAL_MAX_BINS_ALLOWED		28
545
546#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
547#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
548
549#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
550
551/*
552 * Deduce if the host cpu has big- or litt-endian byte order.
553 */
554static __inline__ int
555isBigEndian(void)
556{
557	union {
558		int32_t i;
559		char c[4];
560	} u;
561	u.i = 1;
562	return (u.c[0] == 0);
563}
564
565/* unalligned little endian access */
566#define LE_READ_2(p)							\
567	((uint16_t)							\
568	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
569#define LE_READ_4(p)							\
570	((uint32_t)							\
571	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
572	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
573
574/*
575 * Register manipulation macros that expect bit field defines
576 * to follow the convention that an _S suffix is appended for
577 * a shift count, while the field mask has no suffix.
578 */
579#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
580#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
581#define OS_REG_RMW(_a, _r, _set, _clr)    \
582	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
583#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
584	OS_REG_WRITE(_a, _r, \
585		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
586#define	OS_REG_SET_BIT(_a, _r, _f) \
587	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
588#define	OS_REG_CLR_BIT(_a, _r, _f) \
589	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
590#define OS_REG_IS_BIT_SET(_a, _r, _f) \
591	    ((OS_REG_READ(_a, _r) & (_f)) != 0)
592#define	OS_REG_RMW_FIELD_ALT(_a, _r, _f, _v) \
593	    OS_REG_WRITE(_a, _r, \
594	    (OS_REG_READ(_a, _r) &~(_f<<_f##_S)) | \
595	    (((_v) << _f##_S) & (_f<<_f##_S)))
596#define	OS_REG_READ_FIELD(_a, _r, _f) \
597	    (((OS_REG_READ(_a, _r) & _f) >> _f##_S))
598#define	OS_REG_READ_FIELD_ALT(_a, _r, _f) \
599	    ((OS_REG_READ(_a, _r) >> (_f##_S))&(_f))
600
601/* Analog register writes may require a delay between each one (eg Merlin?) */
602#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
603	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | \
604	    (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
605#define	OS_A_REG_WRITE(_a, _r, _v) \
606	do { OS_REG_WRITE(_a, _r, _v); OS_DELAY(100); } while (0)
607
608/* wait for the register contents to have the specified value */
609extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
610		uint32_t mask, uint32_t val);
611extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
612		uint32_t mask, uint32_t val, uint32_t timeout);
613
614/* return the first n bits in val reversed */
615extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
616
617/* printf interfaces */
618extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
619		__printflike(2,3);
620extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
621		__printflike(2, 0);
622extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
623
624/* allocate and free memory */
625extern	void *ath_hal_malloc(size_t);
626extern	void ath_hal_free(void *);
627
628/* common debugging interfaces */
629#ifdef AH_DEBUG
630#include "ah_debug.h"
631extern	int ath_hal_debug;	/* Global debug flags */
632
633/*
634 * The typecast is purely because some callers will pass in
635 * AH_NULL directly rather than using a NULL ath_hal pointer.
636 */
637#define	HALDEBUG(_ah, __m, ...) \
638	do {							\
639		if ((__m) == HAL_DEBUG_UNMASKABLE ||		\
640		    ath_hal_debug & (__m) ||			\
641		    ((_ah) != NULL &&				\
642		      ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) {	\
643			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
644		}						\
645	} while(0);
646
647extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
648	__printflike(3,4);
649#else
650#define HALDEBUG(_ah, __m, ...)
651#endif /* AH_DEBUG */
652
653/*
654 * Register logging definitions shared with ardecode.
655 */
656#include "ah_decode.h"
657
658/*
659 * Common assertion interface.  Note: it is a bad idea to generate
660 * an assertion failure for any recoverable event.  Instead catch
661 * the violation and, if possible, fix it up or recover from it; either
662 * with an error return value or a diagnostic messages.  System software
663 * does not panic unless the situation is hopeless.
664 */
665#ifdef AH_ASSERT
666extern	void ath_hal_assert_failed(const char* filename,
667		int lineno, const char* msg);
668
669#define	HALASSERT(_x) do {					\
670	if (!(_x)) {						\
671		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
672	}							\
673} while (0)
674#else
675#define	HALASSERT(_x)
676#endif /* AH_ASSERT */
677
678/*
679 * Regulatory domain support.
680 */
681
682/*
683 * Return the max allowed antenna gain and apply any regulatory
684 * domain specific changes.
685 */
686u_int	ath_hal_getantennareduction(struct ath_hal *ah,
687	    const struct ieee80211_channel *chan, u_int twiceGain);
688
689/*
690 * Return the test group for the specific channel based on
691 * the current regulatory setup.
692 */
693u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
694
695/*
696 * Map a public channel definition to the corresponding
697 * internal data structure.  This implicitly specifies
698 * whether or not the specified channel is ok to use
699 * based on the current regulatory domain constraints.
700 */
701#ifndef AH_DEBUG
702static OS_INLINE HAL_CHANNEL_INTERNAL *
703ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
704{
705	HAL_CHANNEL_INTERNAL *cc;
706
707	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
708	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
709	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
710	return cc;
711}
712#else
713/* NB: non-inline version that checks state */
714HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
715		const struct ieee80211_channel *);
716#endif /* AH_DEBUG */
717
718/*
719 * Return the h/w frequency for a channel.  This may be
720 * different from ic_freq if this is a GSM device that
721 * takes 2.4GHz frequencies and down-converts them.
722 */
723static OS_INLINE uint16_t
724ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
725{
726	return ath_hal_checkchannel(ah, c)->channel;
727}
728
729/*
730 * Convert between microseconds and core system clocks.
731 */
732extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
733extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
734
735/*
736 * Generic get/set capability support.  Each chip overrides
737 * this routine to support chip-specific capabilities.
738 */
739extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
740		HAL_CAPABILITY_TYPE type, uint32_t capability,
741		uint32_t *result);
742extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
743		HAL_CAPABILITY_TYPE type, uint32_t capability,
744		uint32_t setting, HAL_STATUS *status);
745
746/* The diagnostic codes used to be internally defined here -adrian */
747#include "ah_diagcodes.h"
748
749/*
750 * The AR5416 and later HALs have MAC and baseband hang checking.
751 */
752typedef struct {
753	uint32_t hang_reg_offset;
754	uint32_t hang_val;
755	uint32_t hang_mask;
756	uint32_t hang_offset;
757} hal_hw_hang_check_t;
758
759typedef struct {
760	uint32_t dma_dbg_3;
761	uint32_t dma_dbg_4;
762	uint32_t dma_dbg_5;
763	uint32_t dma_dbg_6;
764} mac_dbg_regs_t;
765
766typedef enum {
767	dcu_chain_state		= 0x1,
768	dcu_complete_state	= 0x2,
769	qcu_state		= 0x4,
770	qcu_fsp_ok		= 0x8,
771	qcu_fsp_state		= 0x10,
772	qcu_stitch_state	= 0x20,
773	qcu_fetch_state		= 0x40,
774	qcu_complete_state	= 0x80
775} hal_mac_hangs_t;
776
777typedef struct {
778	int states;
779	uint8_t dcu_chain_state;
780	uint8_t dcu_complete_state;
781	uint8_t qcu_state;
782	uint8_t qcu_fsp_ok;
783	uint8_t qcu_fsp_state;
784	uint8_t qcu_stitch_state;
785	uint8_t qcu_fetch_state;
786	uint8_t qcu_complete_state;
787} hal_mac_hang_check_t;
788
789enum {
790    HAL_BB_HANG_DFS		= 0x0001,
791    HAL_BB_HANG_RIFS		= 0x0002,
792    HAL_BB_HANG_RX_CLEAR	= 0x0004,
793    HAL_BB_HANG_UNKNOWN		= 0x0080,
794
795    HAL_MAC_HANG_SIG1		= 0x0100,
796    HAL_MAC_HANG_SIG2		= 0x0200,
797    HAL_MAC_HANG_UNKNOWN	= 0x8000,
798
799    HAL_BB_HANGS = HAL_BB_HANG_DFS
800		 | HAL_BB_HANG_RIFS
801		 | HAL_BB_HANG_RX_CLEAR
802		 | HAL_BB_HANG_UNKNOWN,
803    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
804		 | HAL_MAC_HANG_SIG2
805		 | HAL_MAC_HANG_UNKNOWN,
806};
807
808/* Merge these with above */
809typedef enum hal_hw_hangs {
810    HAL_DFS_BB_HANG_WAR          = 0x1,
811    HAL_RIFS_BB_HANG_WAR         = 0x2,
812    HAL_RX_STUCK_LOW_BB_HANG_WAR = 0x4,
813    HAL_MAC_HANG_WAR             = 0x8,
814    HAL_PHYRESTART_CLR_WAR       = 0x10,
815    HAL_MAC_HANG_DETECTED        = 0x40000000,
816    HAL_BB_HANG_DETECTED         = 0x80000000
817} hal_hw_hangs_t;
818
819/*
820 * Device revision information.
821 */
822typedef struct {
823	uint16_t	ah_devid;		/* PCI device ID */
824	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
825	uint32_t	ah_macVersion;		/* MAC version id */
826	uint16_t	ah_macRev;		/* MAC revision */
827	uint16_t	ah_phyRev;		/* PHY revision */
828	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
829	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
830} HAL_REVS;
831
832/*
833 * Argument payload for HAL_DIAG_SETKEY.
834 */
835typedef struct {
836	HAL_KEYVAL	dk_keyval;
837	uint16_t	dk_keyix;	/* key index */
838	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
839	int		dk_xor;		/* XOR key data */
840} HAL_DIAG_KEYVAL;
841
842/*
843 * Argument payload for HAL_DIAG_EEWRITE.
844 */
845typedef struct {
846	uint16_t	ee_off;		/* eeprom offset */
847	uint16_t	ee_data;	/* write data */
848} HAL_DIAG_EEVAL;
849
850
851typedef struct {
852	u_int offset;		/* reg offset */
853	uint32_t val;		/* reg value  */
854} HAL_DIAG_REGVAL;
855
856/*
857 * 11n compatibility tweaks.
858 */
859#define	HAL_DIAG_11N_SERVICES	0x00000003
860#define	HAL_DIAG_11N_SERVICES_S	0
861#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
862#define	HAL_DIAG_11N_TXSTOMP_S	2
863
864typedef struct {
865	int		maxNoiseImmunityLevel;	/* [0..4] */
866	int		totalSizeDesired[5];
867	int		coarseHigh[5];
868	int		coarseLow[5];
869	int		firpwr[5];
870
871	int		maxSpurImmunityLevel;	/* [0..7] */
872	int		cycPwrThr1[8];
873
874	int		maxFirstepLevel;	/* [0..2] */
875	int		firstep[3];
876
877	uint32_t	ofdmTrigHigh;
878	uint32_t	ofdmTrigLow;
879	int32_t		cckTrigHigh;
880	int32_t		cckTrigLow;
881	int32_t		rssiThrLow;
882	int32_t		rssiThrHigh;
883
884	int		period;			/* update listen period */
885} HAL_ANI_PARAMS;
886
887extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
888			const void *args, uint32_t argsize,
889			void **result, uint32_t *resultsize);
890
891/*
892 * Setup a h/w rate table for use.
893 */
894extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
895
896/*
897 * Common routine for implementing getChanNoise api.
898 */
899int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
900
901/*
902 * Initialization support.
903 */
904typedef struct {
905	const uint32_t	*data;
906	int		rows, cols;
907} HAL_INI_ARRAY;
908
909#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
910	(_ia)->data = (const uint32_t *)(_data);		\
911	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
912	(_ia)->cols = (_cols);					\
913} while (0)
914#define	HAL_INI_VAL(_ia, _r, _c) \
915	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
916
917/*
918 * OS_DELAY() does a PIO READ on the PCI bus which allows
919 * other cards' DMA reads to complete in the middle of our reset.
920 */
921#define DMA_YIELD(x) do {		\
922	if ((++(x) % 64) == 0)		\
923		OS_DELAY(1);		\
924} while (0)
925
926#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
927	int r;								\
928	for (r = 0; r < N(regArray); r++) {				\
929		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
930		DMA_YIELD(regWr);					\
931	}								\
932} while (0)
933
934#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
935	int r;								\
936	for (r = 0; r < N(regArray); r++) {				\
937		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
938		DMA_YIELD(regWr);					\
939	}								\
940} while (0)
941
942extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
943		int col, int regWr);
944extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
945		int col);
946extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
947		const uint32_t data[], int regWr);
948
949#define	CCK_SIFS_TIME		10
950#define	CCK_PREAMBLE_BITS	144
951#define	CCK_PLCP_BITS		48
952
953#define	OFDM_SIFS_TIME		16
954#define	OFDM_PREAMBLE_TIME	20
955#define	OFDM_PLCP_BITS		22
956#define	OFDM_SYMBOL_TIME	4
957
958#define	OFDM_HALF_SIFS_TIME	32
959#define	OFDM_HALF_PREAMBLE_TIME	40
960#define	OFDM_HALF_PLCP_BITS	22
961#define	OFDM_HALF_SYMBOL_TIME	8
962
963#define	OFDM_QUARTER_SIFS_TIME 		64
964#define	OFDM_QUARTER_PREAMBLE_TIME	80
965#define	OFDM_QUARTER_PLCP_BITS		22
966#define	OFDM_QUARTER_SYMBOL_TIME	16
967
968#define	TURBO_SIFS_TIME		8
969#define	TURBO_PREAMBLE_TIME	14
970#define	TURBO_PLCP_BITS		22
971#define	TURBO_SYMBOL_TIME	4
972
973#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
974
975/* Generic EEPROM board value functions */
976extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
977	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
978extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
979	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
980	uint8_t *pRetVpdList);
981extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
982	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
983
984/* Whether 5ghz fast clock is needed */
985/*
986 * The chipset (Merlin, AR9300/later) should set the capability flag below;
987 * this flag simply says that the hardware can do it, not that the EEPROM
988 * says it can.
989 *
990 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock
991 *   if the relevant eeprom flag is set.
992 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock
993 *   by default.
994 */
995#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
996	(IEEE80211_IS_CHAN_5GHZ(_c) && \
997	 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \
998	ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G))
999
1000/*
1001 * Fetch the maximum regulatory domain power for the given channel
1002 * in 1/2dBm steps.
1003 */
1004static inline int
1005ath_hal_get_twice_max_regpower(struct ath_hal_private *ahp,
1006    const HAL_CHANNEL_INTERNAL *ichan, const struct ieee80211_channel *chan)
1007{
1008	struct ath_hal *ah = &ahp->h;
1009
1010	if (! chan) {
1011		ath_hal_printf(ah, "%s: called with chan=NULL!\n", __func__);
1012		return (0);
1013	}
1014	return (chan->ic_maxpower);
1015}
1016
1017/*
1018 * Get the maximum antenna gain allowed, in 1/2dBm steps.
1019 */
1020static inline int
1021ath_hal_getantennaallowed(struct ath_hal *ah,
1022    const struct ieee80211_channel *chan)
1023{
1024
1025	if (! chan)
1026		return (0);
1027
1028	return (chan->ic_maxantgain);
1029}
1030
1031/*
1032 * Map the given 2GHz channel to an IEEE number.
1033 */
1034extern	int ath_hal_mhz2ieee_2ghz(struct ath_hal *, int freq);
1035
1036/*
1037 * Clear the channel survey data.
1038 */
1039extern	void ath_hal_survey_clear(struct ath_hal *ah);
1040
1041/*
1042 * Add a sample to the channel survey data.
1043 */
1044extern	void ath_hal_survey_add_sample(struct ath_hal *ah,
1045	    HAL_SURVEY_SAMPLE *hs);
1046
1047#endif /* _ATH_AH_INTERAL_H_ */
1048