1/*-
2 * SPDX-License-Identifier: ISC
3 *
4 * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5 * Copyright (c) 2002-2008 Atheros Communications, Inc.
6 *
7 * Permission to use, copy, modify, and/or distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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 <sys/queue.h>			/* XXX for reasons */
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	uint32_t	start;		/* first register */
50	uint32_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 * Enable/disable strong signal fast diversity
79 */
80#define	HAL_CAP_STRONG_DIV		2
81
82/*
83 * Each chip or class of chips registers to offer support.
84 *
85 * Compiled-in versions will include a linker set to iterate through the
86 * linked in code.
87 *
88 * Modules will have to register HAL backends separately.
89 */
90struct ath_hal_chip {
91	const char	*name;
92	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
93	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
94			    HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata,
95			    HAL_OPS_CONFIG *ah,
96			    HAL_STATUS *error);
97	TAILQ_ENTRY(ath_hal_chip) node;
98};
99#ifndef AH_CHIP
100#define	AH_CHIP(_name, _probe, _attach)				\
101struct ath_hal_chip _name##_chip = {				\
102	.name		= #_name,				\
103	.probe		= _probe,				\
104	.attach		= _attach,				\
105};								\
106OS_DATA_SET(ah_chips, _name##_chip)
107#endif
108
109/*
110 * Each RF backend registers to offer support; this is mostly
111 * used by multi-chip 5212 solutions.  Single-chip solutions
112 * have a fixed idea about which RF to use.
113 *
114 * Compiled in versions will include this linker set to iterate through
115 * the linked in code.
116 *
117 * Modules will have to register RF backends separately.
118 */
119struct ath_hal_rf {
120	const char	*name;
121	HAL_BOOL	(*probe)(struct ath_hal *ah);
122	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
123	TAILQ_ENTRY(ath_hal_rf) node;
124};
125#ifndef AH_RF
126#define	AH_RF(_name, _probe, _attach)				\
127struct ath_hal_rf _name##_rf = {				\
128	.name		= __STRING(_name),			\
129	.probe		= _probe,				\
130	.attach		= _attach,				\
131};								\
132OS_DATA_SET(ah_rfs, _name##_rf)
133#endif
134
135struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
136
137/*
138 * Maximum number of internal channels.  Entries are per unique
139 * frequency so this might be need to be increased to handle all
140 * usage cases; typically no more than 32 are really needed but
141 * dynamically allocating the data structures is a bit painful
142 * right now.
143 */
144#ifndef AH_MAXCHAN
145#define	AH_MAXCHAN	128
146#endif
147
148#define	HAL_NF_CAL_HIST_LEN_FULL	5
149#define	HAL_NF_CAL_HIST_LEN_SMALL	1
150#define	HAL_NUM_NF_READINGS		6	/* 3 chains * (ctl + ext) */
151#define	HAL_NF_LOAD_DELAY		1000
152
153/*
154 * PER_CHAN doesn't work for now, as it looks like the device layer
155 * has to pre-populate the per-channel list with nominal values.
156 */
157//#define	ATH_NF_PER_CHAN		1
158
159typedef struct {
160    u_int8_t    curr_index;
161    int8_t      invalidNFcount; /* TO DO: REMOVE THIS! */
162    int16_t     priv_nf[HAL_NUM_NF_READINGS];
163} HAL_NFCAL_BASE;
164
165typedef struct {
166    HAL_NFCAL_BASE base;
167    int16_t     nf_cal_buffer[HAL_NF_CAL_HIST_LEN_FULL][HAL_NUM_NF_READINGS];
168} HAL_NFCAL_HIST_FULL;
169
170typedef struct {
171    HAL_NFCAL_BASE base;
172    int16_t     nf_cal_buffer[HAL_NF_CAL_HIST_LEN_SMALL][HAL_NUM_NF_READINGS];
173} HAL_NFCAL_HIST_SMALL;
174
175#ifdef	ATH_NF_PER_CHAN
176typedef HAL_NFCAL_HIST_FULL HAL_CHAN_NFCAL_HIST;
177#define	AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (ichan ? &ichan->nf_cal_hist: NULL)
178#else
179typedef HAL_NFCAL_HIST_SMALL HAL_CHAN_NFCAL_HIST;
180#define	AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (&AH_PRIVATE(ah)->nf_cal_hist)
181#endif	/* ATH_NF_PER_CHAN */
182
183/*
184 * Internal per-channel state.  These are found
185 * using ic_devdata in the ieee80211_channel.
186 */
187typedef struct {
188	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
189	uint8_t		privFlags;
190#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
191#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
192#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
193#define	CHANNEL_MIMO_NF_VALID	0x04	/* Mimo NF values are valid */
194	uint8_t		calValid;	/* bitmask of cal types */
195	int8_t		iCoff;
196	int8_t		qCoff;
197	int16_t		rawNoiseFloor;
198	int16_t		noiseFloorAdjust;
199	int16_t		noiseFloorCtl[AH_MAX_CHAINS];
200	int16_t		noiseFloorExt[AH_MAX_CHAINS];
201	uint16_t	mainSpur;	/* cached spur value for this channel */
202
203	/*XXX TODO: make these part of privFlags */
204	uint8_t  paprd_done:1,           /* 1: PAPRD DONE, 0: PAPRD Cal not done */
205	       paprd_table_write_done:1; /* 1: DONE, 0: Cal data write not done */
206	int		one_time_cals_done;
207	HAL_CHAN_NFCAL_HIST nf_cal_hist;
208} HAL_CHANNEL_INTERNAL;
209
210/* channel requires noise floor check */
211#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
212
213/* all full-width channels */
214#define	IEEE80211_CHAN_ALLFULL \
215	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
216#define	IEEE80211_CHAN_ALLTURBOFULL \
217	(IEEE80211_CHAN_ALLTURBO - \
218	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
219
220typedef struct {
221	uint32_t	halChanSpreadSupport 		: 1,
222			halSleepAfterBeaconBroken	: 1,
223			halCompressSupport		: 1,
224			halBurstSupport			: 1,
225			halFastFramesSupport		: 1,
226			halChapTuningSupport		: 1,
227			halTurboGSupport		: 1,
228			halTurboPrimeSupport		: 1,
229			halMicAesCcmSupport		: 1,
230			halMicCkipSupport		: 1,
231			halMicTkipSupport		: 1,
232			halTkipMicTxRxKeySupport	: 1,
233			halCipherAesCcmSupport		: 1,
234			halCipherCkipSupport		: 1,
235			halCipherTkipSupport		: 1,
236			halPSPollBroken			: 1,
237			halVEOLSupport			: 1,
238			halBssIdMaskSupport		: 1,
239			halMcastKeySrchSupport		: 1,
240			halTsfAddSupport		: 1,
241			halChanHalfRate			: 1,
242			halChanQuarterRate		: 1,
243			halHTSupport			: 1,
244			halHTSGI20Support		: 1,
245			halRfSilentSupport		: 1,
246			halHwPhyCounterSupport		: 1,
247			halWowSupport			: 1,
248			halWowMatchPatternExact		: 1,
249			halAutoSleepSupport		: 1,
250			halFastCCSupport		: 1,
251			halBtCoexSupport		: 1;
252	uint32_t	halRxStbcSupport		: 1,
253			halTxStbcSupport		: 1,
254			halGTTSupport			: 1,
255			halCSTSupport			: 1,
256			halRifsRxSupport		: 1,
257			halRifsTxSupport		: 1,
258			hal4AddrAggrSupport		: 1,
259			halExtChanDfsSupport		: 1,
260			halUseCombinedRadarRssi		: 1,
261			halForcePpmSupport		: 1,
262			halEnhancedPmSupport		: 1,
263			halEnhancedDfsSupport		: 1,
264			halMbssidAggrSupport		: 1,
265			halBssidMatchSupport		: 1,
266			hal4kbSplitTransSupport		: 1,
267			halHasRxSelfLinkedTail		: 1,
268			halSupportsFastClock5GHz	: 1,
269			halHasBBReadWar			: 1,
270			halSerialiseRegWar		: 1,
271			halMciSupport			: 1,
272			halRxTxAbortSupport		: 1,
273			halPaprdEnabled			: 1,
274			halHasUapsdSupport		: 1,
275			halWpsPushButtonSupport		: 1,
276			halBtCoexApsmWar		: 1,
277			halGenTimerSupport		: 1,
278			halLDPCSupport			: 1,
279			halHwBeaconProcSupport		: 1,
280			halEnhancedDmaSupport		: 1;
281	uint32_t	halIsrRacSupport		: 1,
282			halApmEnable			: 1,
283			halIntrMitigation		: 1,
284			hal49GhzSupport			: 1,
285			halAntDivCombSupport		: 1,
286			halAntDivCombSupportOrg		: 1,
287			halRadioRetentionSupport	: 1,
288			halSpectralScanSupport		: 1,
289			halRxUsingLnaMixing		: 1,
290			halRxDoMyBeacon			: 1,
291			halHwUapsdTrig			: 1;
292
293	uint32_t	halWirelessModes;
294	uint16_t	halTotalQueues;
295	uint16_t	halKeyCacheSize;
296	uint16_t	halLow5GhzChan, halHigh5GhzChan;
297	uint16_t	halLow2GhzChan, halHigh2GhzChan;
298	int		halTxTstampPrecision;
299	int		halRxTstampPrecision;
300	int		halRtsAggrLimit;
301	uint8_t		halTxChainMask;
302	uint8_t		halRxChainMask;
303	uint8_t		halNumGpioPins;
304	uint8_t		halNumAntCfg2GHz;
305	uint8_t		halNumAntCfg5GHz;
306	uint32_t	halIntrMask;
307	uint8_t		halTxStreams;
308	uint8_t		halRxStreams;
309	HAL_MFP_OPT_T	halMfpSupport;
310
311	/* AR9300 HAL porting capabilities */
312	int		hal_paprd_enabled;
313	int		hal_pcie_lcr_offset;
314	int		hal_pcie_lcr_extsync_en;
315	int		halNumTxMaps;
316	int		halTxDescLen;
317	int		halTxStatusLen;
318	int		halRxStatusLen;
319	int		halRxHpFifoDepth;
320	int		halRxLpFifoDepth;
321	uint32_t	halRegCap;		/* XXX needed? */
322	int		halNumMRRetries;
323	int		hal_ani_poll_interval;
324	int		hal_channel_switch_time_usec;
325} HAL_CAPABILITIES;
326
327struct regDomain;
328
329/*
330 * Definitions for ah_flags in ath_hal_private
331 */
332#define		AH_USE_EEPROM	0x1
333#define		AH_IS_HB63	0x2
334
335/*
336 * The ``private area'' follows immediately after the ``public area''
337 * in the data structure returned by ath_hal_attach.  Private data are
338 * used by device-independent code such as the regulatory domain support.
339 * In general, code within the HAL should never depend on data in the
340 * public area.  Instead any public data needed internally should be
341 * shadowed here.
342 *
343 * When declaring a device-specific ath_hal data structure this structure
344 * is assumed to at the front; e.g.
345 *
346 *	struct ath_hal_5212 {
347 *		struct ath_hal_private	ah_priv;
348 *		...
349 *	};
350 *
351 * It might be better to manage the method pointers in this structure
352 * using an indirect pointer to a read-only data structure but this would
353 * disallow class-style method overriding.
354 */
355struct ath_hal_private {
356	struct ath_hal	h;			/* public area */
357
358	/* NB: all methods go first to simplify initialization */
359	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
360				uint16_t channelFlags,
361				uint16_t *lowChannel, uint16_t *highChannel);
362	u_int		(*ah_getWirelessModes)(struct ath_hal*);
363	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
364				uint16_t *data);
365	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
366				uint16_t data);
367	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
368				struct ieee80211_channel *);
369	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
370				const HAL_CHANNEL_INTERNAL*);
371	void		(*ah_getNoiseFloor)(struct ath_hal *,
372				int16_t nfarray[]);
373
374	void		*ah_eeprom;		/* opaque EEPROM state */
375	uint16_t	ah_eeversion;		/* EEPROM version */
376	void		(*ah_eepromDetach)(struct ath_hal *);
377	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
378	HAL_STATUS	(*ah_eepromSet)(struct ath_hal *, int, int);
379	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
380	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
381			    const void *args, uint32_t argsize,
382			    void **result, uint32_t *resultsize);
383
384	/*
385	 * Device revision information.
386	 */
387	uint16_t	ah_devid;		/* PCI device ID */
388	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
389	uint32_t	ah_macVersion;		/* MAC version id */
390	uint16_t	ah_macRev;		/* MAC revision */
391	uint16_t	ah_phyRev;		/* PHY revision */
392	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
393	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
394	uint32_t	ah_flags;		/* misc flags */
395	uint8_t		ah_ispcie;		/* PCIE, special treatment */
396	uint8_t		ah_devType;		/* card type - CB, PCI, PCIe */
397
398	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
399	const struct ieee80211_channel *ah_curchan;/* operating channel */
400	HAL_CAPABILITIES ah_caps;		/* device capabilities */
401	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
402	int16_t		ah_powerLimit;		/* tx power cap */
403	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
404	u_int		ah_tpScale;		/* tx power scale factor */
405	u_int16_t	ah_extraTxPow;		/* low rates extra-txpower */
406	uint32_t	ah_11nCompat;		/* 11n compat controls */
407
408	/*
409	 * State for regulatory domain handling.
410	 */
411	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
412	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
413	HAL_DFS_DOMAIN	ah_dfsDomain;		/* current DFS domain */
414	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
415	u_int		ah_nchan;		/* valid items in ah_channels */
416	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
417	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
418
419	uint8_t    	ah_coverageClass;   	/* coverage class */
420	/*
421	 * RF Silent handling; setup according to the EEPROM.
422	 */
423	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
424	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
425	/*
426	 * Diagnostic support for discriminating HIUERR reports.
427	 */
428	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
429	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
430
431	/* Only used if ATH_NF_PER_CHAN is defined */
432	HAL_NFCAL_HIST_FULL	nf_cal_hist;
433
434	/*
435	 * Channel survey history - current channel only.
436	 */
437	 HAL_CHANNEL_SURVEY	ah_chansurvey;	/* channel survey */
438};
439
440#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
441
442#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
443	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
444#define	ath_hal_getWirelessModes(_ah) \
445	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
446#define	ath_hal_eepromRead(_ah, _off, _data) \
447	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
448#define	ath_hal_eepromWrite(_ah, _off, _data) \
449	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
450#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
451	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
452#define	ath_hal_gpioCfgInput(_ah, _gpio) \
453	(_ah)->ah_gpioCfgInput(_ah, _gpio)
454#define	ath_hal_gpioGet(_ah, _gpio) \
455	(_ah)->ah_gpioGet(_ah, _gpio)
456#define	ath_hal_gpioSet(_ah, _gpio, _val) \
457	(_ah)->ah_gpioSet(_ah, _gpio, _val)
458#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
459	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
460#define	ath_hal_getpowerlimits(_ah, _chan) \
461	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
462#define ath_hal_getNfAdjust(_ah, _c) \
463	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
464#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
465	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
466#define	ath_hal_configPCIE(_ah, _reset, _poweroff) \
467	(_ah)->ah_configPCIE(_ah, _reset, _poweroff)
468#define	ath_hal_disablePCIE(_ah) \
469	(_ah)->ah_disablePCIE(_ah)
470#define	ath_hal_setInterrupts(_ah, _mask) \
471	(_ah)->ah_setInterrupts(_ah, _mask)
472
473#define ath_hal_isrfkillenabled(_ah)  \
474    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, AH_NULL) == HAL_OK)
475#define ath_hal_enable_rfkill(_ah, _v) \
476    ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _v, AH_NULL)
477#define ath_hal_hasrfkill_int(_ah)  \
478    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 3, AH_NULL) == HAL_OK)
479
480#define	ath_hal_eepromDetach(_ah) do {				\
481	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
482		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
483} while (0)
484#define	ath_hal_eepromGet(_ah, _param, _val) \
485	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
486#define	ath_hal_eepromSet(_ah, _param, _val) \
487	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
488#define	ath_hal_eepromGetFlag(_ah, _param) \
489	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
490#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
491	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
492#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
493	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
494
495#ifndef _NET_IF_IEEE80211_H_
496/*
497 * Stuff that would naturally come from _ieee80211.h
498 */
499#define	IEEE80211_ADDR_LEN		6
500
501#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
502#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
503#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
504
505#define	IEEE80211_CRC_LEN			4
506
507#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
508    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
509#endif /* _NET_IF_IEEE80211_H_ */
510
511#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
512
513#define INIT_AIFS		2
514#define INIT_CWMIN		15
515#define INIT_CWMIN_11B		31
516#define INIT_CWMAX		1023
517#define INIT_SH_RETRY		10
518#define INIT_LG_RETRY		10
519#define INIT_SSH_RETRY		32
520#define INIT_SLG_RETRY		32
521
522typedef struct {
523	uint32_t	tqi_ver;		/* HAL TXQ verson */
524	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
525	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
526	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
527	uint32_t	tqi_priority;
528	uint32_t	tqi_aifs;		/* aifs */
529	uint32_t	tqi_cwmin;		/* cwMin */
530	uint32_t	tqi_cwmax;		/* cwMax */
531	uint16_t	tqi_shretry;		/* frame short retry limit */
532	uint16_t	tqi_lgretry;		/* frame long retry limit */
533	uint32_t	tqi_cbrPeriod;
534	uint32_t	tqi_cbrOverflowLimit;
535	uint32_t	tqi_burstTime;
536	uint32_t	tqi_readyTime;
537	uint32_t	tqi_physCompBuf;
538	uint32_t	tqi_intFlags;		/* flags for internal use */
539} HAL_TX_QUEUE_INFO;
540
541extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
542		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
543extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
544		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
545
546#define	HAL_SPUR_VAL_MASK		0x3FFF
547#define	HAL_SPUR_CHAN_WIDTH		87
548#define	HAL_BIN_WIDTH_BASE_100HZ	3125
549#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
550#define	HAL_MAX_BINS_ALLOWED		28
551
552#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
553#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
554
555#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
556
557/*
558 * Deduce if the host cpu has big- or litt-endian byte order.
559 */
560static __inline__ int
561isBigEndian(void)
562{
563	union {
564		int32_t i;
565		char c[4];
566	} u;
567	u.i = 1;
568	return (u.c[0] == 0);
569}
570
571/* unalligned little endian access */
572#define LE_READ_2(p)							\
573	((uint16_t)							\
574	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
575#define LE_READ_4(p)							\
576	((uint32_t)							\
577	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
578	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
579
580/*
581 * Register manipulation macros that expect bit field defines
582 * to follow the convention that an _S suffix is appended for
583 * a shift count, while the field mask has no suffix.
584 */
585#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
586#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
587#define OS_REG_RMW(_a, _r, _set, _clr)    \
588	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
589#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
590	OS_REG_WRITE(_a, _r, \
591		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
592#define	OS_REG_SET_BIT(_a, _r, _f) \
593	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
594#define	OS_REG_CLR_BIT(_a, _r, _f) \
595	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
596#define OS_REG_IS_BIT_SET(_a, _r, _f) \
597	    ((OS_REG_READ(_a, _r) & (_f)) != 0)
598#define	OS_REG_RMW_FIELD_ALT(_a, _r, _f, _v) \
599	    OS_REG_WRITE(_a, _r, \
600	    (OS_REG_READ(_a, _r) &~(_f<<_f##_S)) | \
601	    (((_v) << _f##_S) & (_f<<_f##_S)))
602#define	OS_REG_READ_FIELD(_a, _r, _f) \
603	    (((OS_REG_READ(_a, _r) & _f) >> _f##_S))
604#define	OS_REG_READ_FIELD_ALT(_a, _r, _f) \
605	    ((OS_REG_READ(_a, _r) >> (_f##_S))&(_f))
606
607/* Analog register writes may require a delay between each one (eg Merlin?) */
608#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
609	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | \
610	    (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
611#define	OS_A_REG_WRITE(_a, _r, _v) \
612	do { OS_REG_WRITE(_a, _r, _v); OS_DELAY(100); } while (0)
613
614/* wait for the register contents to have the specified value */
615extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
616		uint32_t mask, uint32_t val);
617extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
618		uint32_t mask, uint32_t val, uint32_t timeout);
619
620/* return the first n bits in val reversed */
621extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
622
623/* printf interfaces */
624extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
625		__printflike(2,3);
626extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
627		__printflike(2, 0);
628extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
629
630/* allocate and free memory */
631extern	void *ath_hal_malloc(size_t);
632extern	void ath_hal_free(void *);
633
634/* common debugging interfaces */
635#ifdef AH_DEBUG
636#include "ah_debug.h"
637extern	int ath_hal_debug;	/* Global debug flags */
638
639/*
640 * The typecast is purely because some callers will pass in
641 * AH_NULL directly rather than using a NULL ath_hal pointer.
642 */
643#define	HALDEBUG(_ah, __m, ...) \
644	do {							\
645		if ((__m) == HAL_DEBUG_UNMASKABLE ||		\
646		    ath_hal_debug & (__m) ||			\
647		    ((_ah) != NULL &&				\
648		      ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) {	\
649			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
650		}						\
651	} while(0);
652
653extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
654	__printflike(3,4);
655#else
656#define HALDEBUG(_ah, __m, ...)
657#endif /* AH_DEBUG */
658
659/*
660 * Register logging definitions shared with ardecode.
661 */
662#include "ah_decode.h"
663
664/*
665 * Common assertion interface.  Note: it is a bad idea to generate
666 * an assertion failure for any recoverable event.  Instead catch
667 * the violation and, if possible, fix it up or recover from it; either
668 * with an error return value or a diagnostic messages.  System software
669 * does not panic unless the situation is hopeless.
670 */
671#ifdef AH_ASSERT
672extern	void ath_hal_assert_failed(const char* filename,
673		int lineno, const char* msg);
674
675#define	HALASSERT(_x) do {					\
676	if (!(_x)) {						\
677		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
678	}							\
679} while (0)
680#else
681#define	HALASSERT(_x)
682#endif /* AH_ASSERT */
683
684/*
685 * Regulatory domain support.
686 */
687
688/*
689 * Return the max allowed antenna gain and apply any regulatory
690 * domain specific changes.
691 */
692u_int	ath_hal_getantennareduction(struct ath_hal *ah,
693	    const struct ieee80211_channel *chan, u_int twiceGain);
694
695/*
696 * Return the test group for the specific channel based on
697 * the current regulatory setup.
698 */
699u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
700
701/*
702 * Map a public channel definition to the corresponding
703 * internal data structure.  This implicitly specifies
704 * whether or not the specified channel is ok to use
705 * based on the current regulatory domain constraints.
706 */
707#ifndef AH_DEBUG
708static OS_INLINE HAL_CHANNEL_INTERNAL *
709ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
710{
711	HAL_CHANNEL_INTERNAL *cc;
712
713	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
714	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
715	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
716	return cc;
717}
718#else
719/* NB: non-inline version that checks state */
720HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
721		const struct ieee80211_channel *);
722#endif /* AH_DEBUG */
723
724/*
725 * Return the h/w frequency for a channel.  This may be
726 * different from ic_freq if this is a GSM device that
727 * takes 2.4GHz frequencies and down-converts them.
728 */
729static OS_INLINE uint16_t
730ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
731{
732	return ath_hal_checkchannel(ah, c)->channel;
733}
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
850typedef struct {
851	u_int offset;		/* reg offset */
852	uint32_t val;		/* reg value  */
853} HAL_DIAG_REGVAL;
854
855/*
856 * 11n compatibility tweaks.
857 */
858#define	HAL_DIAG_11N_SERVICES	0x00000003
859#define	HAL_DIAG_11N_SERVICES_S	0
860#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
861#define	HAL_DIAG_11N_TXSTOMP_S	2
862
863typedef struct {
864	int		maxNoiseImmunityLevel;	/* [0..4] */
865	int		totalSizeDesired[5];
866	int		coarseHigh[5];
867	int		coarseLow[5];
868	int		firpwr[5];
869
870	int		maxSpurImmunityLevel;	/* [0..7] */
871	int		cycPwrThr1[8];
872
873	int		maxFirstepLevel;	/* [0..2] */
874	int		firstep[3];
875
876	uint32_t	ofdmTrigHigh;
877	uint32_t	ofdmTrigLow;
878	int32_t		cckTrigHigh;
879	int32_t		cckTrigLow;
880	int32_t		rssiThrLow;
881	int32_t		rssiThrHigh;
882
883	int		period;			/* update listen period */
884} HAL_ANI_PARAMS;
885
886extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
887			const void *args, uint32_t argsize,
888			void **result, uint32_t *resultsize);
889
890/*
891 * Setup a h/w rate table for use.
892 */
893extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
894
895/*
896 * Common routine for implementing getChanNoise api.
897 */
898int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
899
900/*
901 * Initialization support.
902 */
903typedef struct {
904	const uint32_t	*data;
905	int		rows, cols;
906} HAL_INI_ARRAY;
907
908#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
909	(_ia)->data = (const uint32_t *)(_data);		\
910	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
911	(_ia)->cols = (_cols);					\
912} while (0)
913#define	HAL_INI_VAL(_ia, _r, _c) \
914	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
915
916/*
917 * OS_DELAY() does a PIO READ on the PCI bus which allows
918 * other cards' DMA reads to complete in the middle of our reset.
919 */
920#define DMA_YIELD(x) do {		\
921	if ((++(x) % 64) == 0)		\
922		OS_DELAY(1);		\
923} while (0)
924
925#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
926	int r;								\
927	for (r = 0; r < N(regArray); r++) {				\
928		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
929		DMA_YIELD(regWr);					\
930	}								\
931} while (0)
932
933#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
934	int r;								\
935	for (r = 0; r < N(regArray); r++) {				\
936		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
937		DMA_YIELD(regWr);					\
938	}								\
939} while (0)
940
941extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
942		int col, int regWr);
943extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
944		int col);
945extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
946		const uint32_t data[], int regWr);
947
948#define	CCK_SIFS_TIME		10
949#define	CCK_PREAMBLE_BITS	144
950#define	CCK_PLCP_BITS		48
951
952#define	OFDM_SIFS_TIME		16
953#define	OFDM_PREAMBLE_TIME	20
954#define	OFDM_PLCP_BITS		22
955#define	OFDM_SYMBOL_TIME	4
956
957#define	OFDM_HALF_SIFS_TIME	32
958#define	OFDM_HALF_PREAMBLE_TIME	40
959#define	OFDM_HALF_PLCP_BITS	22
960#define	OFDM_HALF_SYMBOL_TIME	8
961
962#define	OFDM_QUARTER_SIFS_TIME 		64
963#define	OFDM_QUARTER_PREAMBLE_TIME	80
964#define	OFDM_QUARTER_PLCP_BITS		22
965#define	OFDM_QUARTER_SYMBOL_TIME	16
966
967#define	TURBO_SIFS_TIME		8
968#define	TURBO_PREAMBLE_TIME	14
969#define	TURBO_PLCP_BITS		22
970#define	TURBO_SYMBOL_TIME	4
971
972#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
973
974/* Generic EEPROM board value functions */
975extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
976	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
977extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
978	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
979	uint8_t *pRetVpdList);
980extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
981	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
982
983/* Whether 5ghz fast clock is needed */
984/*
985 * The chipset (Merlin, AR9300/later) should set the capability flag below;
986 * this flag simply says that the hardware can do it, not that the EEPROM
987 * says it can.
988 *
989 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock
990 *   if the relevant eeprom flag is set.
991 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock
992 *   by default.
993 */
994#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
995	(IEEE80211_IS_CHAN_5GHZ(_c) && \
996	 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \
997	ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G))
998
999/*
1000 * Fetch the maximum regulatory domain power for the given channel
1001 * in 1/2dBm steps.
1002 */
1003static inline int
1004ath_hal_get_twice_max_regpower(struct ath_hal_private *ahp,
1005    const HAL_CHANNEL_INTERNAL *ichan, const struct ieee80211_channel *chan)
1006{
1007	struct ath_hal *ah = &ahp->h;
1008
1009	if (! chan) {
1010		ath_hal_printf(ah, "%s: called with chan=NULL!\n", __func__);
1011		return (0);
1012	}
1013	return (chan->ic_maxpower);
1014}
1015
1016/*
1017 * Get the maximum antenna gain allowed, in 1/2dBm steps.
1018 */
1019static inline int
1020ath_hal_getantennaallowed(struct ath_hal *ah,
1021    const struct ieee80211_channel *chan)
1022{
1023
1024	if (! chan)
1025		return (0);
1026
1027	return (chan->ic_maxantgain);
1028}
1029
1030/*
1031 * Map the given 2GHz channel to an IEEE number.
1032 */
1033extern	int ath_hal_mhz2ieee_2ghz(struct ath_hal *, int freq);
1034
1035/*
1036 * Clear the channel survey data.
1037 */
1038extern	void ath_hal_survey_clear(struct ath_hal *ah);
1039
1040/*
1041 * Add a sample to the channel survey data.
1042 */
1043extern	void ath_hal_survey_add_sample(struct ath_hal *ah,
1044	    HAL_SURVEY_SAMPLE *hs);
1045
1046/*
1047 * Chip registration - for modules.
1048 */
1049extern	int ath_hal_add_chip(struct ath_hal_chip *ahc);
1050extern	int ath_hal_remove_chip(struct ath_hal_chip *ahc);
1051extern	int ath_hal_add_rf(struct ath_hal_rf *arf);
1052extern	int ath_hal_remove_rf(struct ath_hal_rf *arf);
1053
1054#endif /* _ATH_AH_INTERAL_H_ */
1055