ah_internal.h revision 242407
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 242407 2012-10-31 21:00:01Z 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	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	uint16_t	start;		/* first register */
54	uint16_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_STATUS *error);
95};
96#ifndef AH_CHIP
97#define	AH_CHIP(_name, _probe, _attach)				\
98static struct ath_hal_chip _name##_chip = {			\
99	.name		= #_name,				\
100	.probe		= _probe,				\
101	.attach		= _attach				\
102};								\
103OS_DATA_SET(ah_chips, _name##_chip)
104#endif
105
106/*
107 * Each RF backend registers to offer support; this is mostly
108 * used by multi-chip 5212 solutions.  Single-chip solutions
109 * have a fixed idea about which RF to use.
110 */
111struct ath_hal_rf {
112	const char	*name;
113	HAL_BOOL	(*probe)(struct ath_hal *ah);
114	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
115};
116#ifndef AH_RF
117#define	AH_RF(_name, _probe, _attach)				\
118static struct ath_hal_rf _name##_rf = {				\
119	.name		= __STRING(_name),			\
120	.probe		= _probe,				\
121	.attach		= _attach				\
122};								\
123OS_DATA_SET(ah_rfs, _name##_rf)
124#endif
125
126struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
127
128/*
129 * Maximum number of internal channels.  Entries are per unique
130 * frequency so this might be need to be increased to handle all
131 * usage cases; typically no more than 32 are really needed but
132 * dynamically allocating the data structures is a bit painful
133 * right now.
134 */
135#ifndef AH_MAXCHAN
136#define	AH_MAXCHAN	96
137#endif
138
139#define	HAL_NF_CAL_HIST_LEN_FULL	5
140#define	HAL_NF_CAL_HIST_LEN_SMALL	1
141#define	HAL_NUM_NF_READINGS		6	/* 3 chains * (ctl + ext) */
142#define	HAL_NF_LOAD_DELAY		1000
143
144/*
145 * PER_CHAN doesn't work for now, as it looks like the device layer
146 * has to pre-populate the per-channel list with nominal values.
147 */
148//#define	ATH_NF_PER_CHAN		1
149
150typedef struct {
151    u_int8_t    curr_index;
152    int8_t      invalidNFcount; /* TO DO: REMOVE THIS! */
153    int16_t     priv_nf[HAL_NUM_NF_READINGS];
154} HAL_NFCAL_BASE;
155
156typedef struct {
157    HAL_NFCAL_BASE base;
158    int16_t     nf_cal_buffer[HAL_NF_CAL_HIST_LEN_FULL][HAL_NUM_NF_READINGS];
159} HAL_NFCAL_HIST_FULL;
160
161typedef struct {
162    HAL_NFCAL_BASE base;
163    int16_t     nf_cal_buffer[HAL_NF_CAL_HIST_LEN_SMALL][HAL_NUM_NF_READINGS];
164} HAL_NFCAL_HIST_SMALL;
165
166#ifdef	ATH_NF_PER_CHAN
167typedef HAL_NFCAL_HIST_FULL HAL_CHAN_NFCAL_HIST;
168#define	AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (ichan ? &ichan->nf_cal_hist: NULL)
169#else
170typedef HAL_NFCAL_HIST_SMALL HAL_CHAN_NFCAL_HIST;
171#define	AH_HOME_CHAN_NFCAL_HIST(ah, ichan) (&AH_PRIVATE(ah)->nf_cal_hist)
172#endif	/* ATH_NF_PER_CHAN */
173
174/*
175 * Internal per-channel state.  These are found
176 * using ic_devdata in the ieee80211_channel.
177 */
178typedef struct {
179	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
180	uint8_t		privFlags;
181#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
182#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
183#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
184#define	CHANNEL_MIMO_NF_VALID	0x04	/* Mimo NF values are valid */
185	uint8_t		calValid;	/* bitmask of cal types */
186	int8_t		iCoff;
187	int8_t		qCoff;
188	int16_t		rawNoiseFloor;
189	int16_t		noiseFloorAdjust;
190#ifdef	AH_SUPPORT_AR5416
191	int16_t		noiseFloorCtl[AH_MAX_CHAINS];
192	int16_t		noiseFloorExt[AH_MAX_CHAINS];
193#endif	/* AH_SUPPORT_AR5416 */
194	uint16_t	mainSpur;	/* cached spur value for this channel */
195
196	/*XXX TODO: make these part of privFlags */
197	uint8_t  paprd_done:1,           /* 1: PAPRD DONE, 0: PAPRD Cal not done */
198	       paprd_table_write_done:1; /* 1: DONE, 0: Cal data write not done */
199	int		one_time_cals_done;
200	HAL_CHAN_NFCAL_HIST nf_cal_hist;
201} HAL_CHANNEL_INTERNAL;
202
203/* channel requires noise floor check */
204#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
205
206/* all full-width channels */
207#define	IEEE80211_CHAN_ALLFULL \
208	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
209#define	IEEE80211_CHAN_ALLTURBOFULL \
210	(IEEE80211_CHAN_ALLTURBO - \
211	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
212
213typedef struct {
214	uint32_t	halChanSpreadSupport 		: 1,
215			halSleepAfterBeaconBroken	: 1,
216			halCompressSupport		: 1,
217			halBurstSupport			: 1,
218			halFastFramesSupport		: 1,
219			halChapTuningSupport		: 1,
220			halTurboGSupport		: 1,
221			halTurboPrimeSupport		: 1,
222			halMicAesCcmSupport		: 1,
223			halMicCkipSupport		: 1,
224			halMicTkipSupport		: 1,
225			halTkipMicTxRxKeySupport	: 1,
226			halCipherAesCcmSupport		: 1,
227			halCipherCkipSupport		: 1,
228			halCipherTkipSupport		: 1,
229			halPSPollBroken			: 1,
230			halVEOLSupport			: 1,
231			halBssIdMaskSupport		: 1,
232			halMcastKeySrchSupport		: 1,
233			halTsfAddSupport		: 1,
234			halChanHalfRate			: 1,
235			halChanQuarterRate		: 1,
236			halHTSupport			: 1,
237			halHTSGI20Support		: 1,
238			halRfSilentSupport		: 1,
239			halHwPhyCounterSupport		: 1,
240			halWowSupport			: 1,
241			halWowMatchPatternExact		: 1,
242			halAutoSleepSupport		: 1,
243			halFastCCSupport		: 1,
244			halBtCoexSupport		: 1;
245	uint32_t	halRxStbcSupport		: 1,
246			halTxStbcSupport		: 1,
247			halGTTSupport			: 1,
248			halCSTSupport			: 1,
249			halRifsRxSupport		: 1,
250			halRifsTxSupport		: 1,
251			hal4AddrAggrSupport		: 1,
252			halExtChanDfsSupport		: 1,
253			halUseCombinedRadarRssi		: 1,
254			halForcePpmSupport		: 1,
255			halEnhancedPmSupport		: 1,
256			halEnhancedDfsSupport		: 1,
257			halMbssidAggrSupport		: 1,
258			halBssidMatchSupport		: 1,
259			hal4kbSplitTransSupport		: 1,
260			halHasRxSelfLinkedTail		: 1,
261			halSupportsFastClock5GHz	: 1,
262			halHasLongRxDescTsf		: 1,
263			halHasBBReadWar			: 1,
264			halSerialiseRegWar		: 1,
265			halMciSupport			: 1,
266			halRxTxAbortSupport		: 1,
267			halPaprdEnabled			: 1,
268			halHasUapsdSupport		: 1,
269			halWpsPushButtonSupport		: 1,
270			halBtCoexApsmWar		: 1,
271			halGenTimerSupport		: 1,
272			halLDPCSupport			: 1,
273			halHwBeaconProcSupport		: 1,
274			halEnhancedDmaSupport		: 1;
275	uint32_t	halIsrRacSupport		: 1,
276			halApmEnable			: 1,
277			halIntrMitigation		: 1,
278			hal49GhzSupport			: 1,
279			halAntDivCombSupport		: 1;
280
281	uint32_t	halWirelessModes;
282	uint16_t	halTotalQueues;
283	uint16_t	halKeyCacheSize;
284	uint16_t	halLow5GhzChan, halHigh5GhzChan;
285	uint16_t	halLow2GhzChan, halHigh2GhzChan;
286	int		halTstampPrecision;
287	int		halRtsAggrLimit;
288	uint8_t		halTxChainMask;
289	uint8_t		halRxChainMask;
290	uint8_t		halNumGpioPins;
291	uint8_t		halNumAntCfg2GHz;
292	uint8_t		halNumAntCfg5GHz;
293	uint32_t	halIntrMask;
294	uint8_t		halTxStreams;
295	uint8_t		halRxStreams;
296	HAL_MFP_OPT_T	halMfpSupport;
297
298	/* AR9300 HAL porting capabilities */
299	int		hal_paprd_enabled;
300	int		hal_pcie_lcr_offset;
301	int		hal_pcie_lcr_extsync_en;
302	int		halNumTxMaps;
303	int		halTxDescLen;
304	int		halTxStatusLen;
305	int		halRxStatusLen;
306	int		halRxHpFifoDepth;
307	int		halRxLpFifoDepth;
308	uint32_t	halRegCap;		/* XXX needed? */
309	int		halNumMRRetries;
310	int		hal_ani_poll_interval;
311	int		hal_channel_switch_time_usec;
312} HAL_CAPABILITIES;
313
314struct regDomain;
315
316/*
317 * Definitions for ah_flags in ath_hal_private
318 */
319#define		AH_USE_EEPROM	0x1
320#define		AH_IS_HB63	0x2
321
322/*
323 * The ``private area'' follows immediately after the ``public area''
324 * in the data structure returned by ath_hal_attach.  Private data are
325 * used by device-independent code such as the regulatory domain support.
326 * In general, code within the HAL should never depend on data in the
327 * public area.  Instead any public data needed internally should be
328 * shadowed here.
329 *
330 * When declaring a device-specific ath_hal data structure this structure
331 * is assumed to at the front; e.g.
332 *
333 *	struct ath_hal_5212 {
334 *		struct ath_hal_private	ah_priv;
335 *		...
336 *	};
337 *
338 * It might be better to manage the method pointers in this structure
339 * using an indirect pointer to a read-only data structure but this would
340 * disallow class-style method overriding.
341 */
342struct ath_hal_private {
343	struct ath_hal	h;			/* public area */
344
345	/* NB: all methods go first to simplify initialization */
346	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
347				uint16_t channelFlags,
348				uint16_t *lowChannel, uint16_t *highChannel);
349	u_int		(*ah_getWirelessModes)(struct ath_hal*);
350	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
351				uint16_t *data);
352	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
353				uint16_t data);
354	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
355				struct ieee80211_channel *);
356	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
357				const HAL_CHANNEL_INTERNAL*);
358	void		(*ah_getNoiseFloor)(struct ath_hal *,
359				int16_t nfarray[]);
360
361	void		*ah_eeprom;		/* opaque EEPROM state */
362	uint16_t	ah_eeversion;		/* EEPROM version */
363	void		(*ah_eepromDetach)(struct ath_hal *);
364	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
365	HAL_STATUS	(*ah_eepromSet)(struct ath_hal *, int, int);
366	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
367	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
368			    const void *args, uint32_t argsize,
369			    void **result, uint32_t *resultsize);
370
371	/*
372	 * Device revision information.
373	 */
374	uint16_t	ah_devid;		/* PCI device ID */
375	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
376	uint32_t	ah_macVersion;		/* MAC version id */
377	uint16_t	ah_macRev;		/* MAC revision */
378	uint16_t	ah_phyRev;		/* PHY revision */
379	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
380	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
381	uint32_t	ah_flags;		/* misc flags */
382	uint8_t		ah_ispcie;		/* PCIE, special treatment */
383	uint8_t		ah_devType;		/* card type - CB, PCI, PCIe */
384
385	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
386	const struct ieee80211_channel *ah_curchan;/* operating channel */
387	HAL_CAPABILITIES ah_caps;		/* device capabilities */
388	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
389	int16_t		ah_powerLimit;		/* tx power cap */
390	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
391	u_int		ah_tpScale;		/* tx power scale factor */
392	uint32_t	ah_11nCompat;		/* 11n compat controls */
393
394	/*
395	 * State for regulatory domain handling.
396	 */
397	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
398	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
399	HAL_DFS_DOMAIN	ah_dfsDomain;		/* current DFS domain */
400	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
401	u_int		ah_nchan;		/* valid items in ah_channels */
402	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
403	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
404
405	uint8_t    	ah_coverageClass;   	/* coverage class */
406	/*
407	 * RF Silent handling; setup according to the EEPROM.
408	 */
409	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
410	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
411	/*
412	 * Diagnostic support for discriminating HIUERR reports.
413	 */
414	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
415	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
416
417#ifndef	ATH_NF_PER_CHAN
418	HAL_NFCAL_HIST_FULL	nf_cal_hist;
419#endif	/* ! ATH_NF_PER_CHAN */
420};
421
422#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
423
424#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
425	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
426#define	ath_hal_getWirelessModes(_ah) \
427	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
428#define	ath_hal_eepromRead(_ah, _off, _data) \
429	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
430#define	ath_hal_eepromWrite(_ah, _off, _data) \
431	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
432#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
433	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
434#define	ath_hal_gpioCfgInput(_ah, _gpio) \
435	(_ah)->ah_gpioCfgInput(_ah, _gpio)
436#define	ath_hal_gpioGet(_ah, _gpio) \
437	(_ah)->ah_gpioGet(_ah, _gpio)
438#define	ath_hal_gpioSet(_ah, _gpio, _val) \
439	(_ah)->ah_gpioSet(_ah, _gpio, _val)
440#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
441	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
442#define	ath_hal_getpowerlimits(_ah, _chan) \
443	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
444#define ath_hal_getNfAdjust(_ah, _c) \
445	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
446#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
447	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
448#define	ath_hal_configPCIE(_ah, _reset, _poweroff) \
449	(_ah)->ah_configPCIE(_ah, _reset, _poweroff)
450#define	ath_hal_disablePCIE(_ah) \
451	(_ah)->ah_disablePCIE(_ah)
452#define	ath_hal_setInterrupts(_ah, _mask) \
453	(_ah)->ah_setInterrupts(_ah, _mask)
454
455#define ath_hal_isrfkillenabled(_ah)  \
456    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, AH_NULL) == HAL_OK)
457#define ath_hal_enable_rfkill(_ah, _v) \
458    ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _v, AH_NULL)
459#define ath_hal_hasrfkill_int(_ah)  \
460    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 3, AH_NULL) == HAL_OK)
461
462#define	ath_hal_eepromDetach(_ah) do {				\
463	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
464		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
465} while (0)
466#define	ath_hal_eepromGet(_ah, _param, _val) \
467	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
468#define	ath_hal_eepromSet(_ah, _param, _val) \
469	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
470#define	ath_hal_eepromGetFlag(_ah, _param) \
471	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
472#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
473	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
474#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
475	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
476
477#ifndef _NET_IF_IEEE80211_H_
478/*
479 * Stuff that would naturally come from _ieee80211.h
480 */
481#define	IEEE80211_ADDR_LEN		6
482
483#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
484#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
485#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
486
487#define	IEEE80211_CRC_LEN			4
488
489#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
490    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
491#endif /* _NET_IF_IEEE80211_H_ */
492
493#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
494
495#define INIT_AIFS		2
496#define INIT_CWMIN		15
497#define INIT_CWMIN_11B		31
498#define INIT_CWMAX		1023
499#define INIT_SH_RETRY		10
500#define INIT_LG_RETRY		10
501#define INIT_SSH_RETRY		32
502#define INIT_SLG_RETRY		32
503
504typedef struct {
505	uint32_t	tqi_ver;		/* HAL TXQ verson */
506	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
507	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
508	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
509	uint32_t	tqi_priority;
510	uint32_t	tqi_aifs;		/* aifs */
511	uint32_t	tqi_cwmin;		/* cwMin */
512	uint32_t	tqi_cwmax;		/* cwMax */
513	uint16_t	tqi_shretry;		/* frame short retry limit */
514	uint16_t	tqi_lgretry;		/* frame long retry limit */
515	uint32_t	tqi_cbrPeriod;
516	uint32_t	tqi_cbrOverflowLimit;
517	uint32_t	tqi_burstTime;
518	uint32_t	tqi_readyTime;
519	uint32_t	tqi_physCompBuf;
520	uint32_t	tqi_intFlags;		/* flags for internal use */
521} HAL_TX_QUEUE_INFO;
522
523extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
524		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
525extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
526		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
527
528#define	HAL_SPUR_VAL_MASK		0x3FFF
529#define	HAL_SPUR_CHAN_WIDTH		87
530#define	HAL_BIN_WIDTH_BASE_100HZ	3125
531#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
532#define	HAL_MAX_BINS_ALLOWED		28
533
534#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
535#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
536
537#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
538
539/*
540 * Deduce if the host cpu has big- or litt-endian byte order.
541 */
542static __inline__ int
543isBigEndian(void)
544{
545	union {
546		int32_t i;
547		char c[4];
548	} u;
549	u.i = 1;
550	return (u.c[0] == 0);
551}
552
553/* unalligned little endian access */
554#define LE_READ_2(p)							\
555	((uint16_t)							\
556	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
557#define LE_READ_4(p)							\
558	((uint32_t)							\
559	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
560	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
561
562/*
563 * Register manipulation macros that expect bit field defines
564 * to follow the convention that an _S suffix is appended for
565 * a shift count, while the field mask has no suffix.
566 */
567#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
568#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
569#define OS_REG_RMW(_a, _r, _set, _clr)    \
570	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
571#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
572	OS_REG_WRITE(_a, _r, \
573		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
574#define	OS_REG_SET_BIT(_a, _r, _f) \
575	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
576#define	OS_REG_CLR_BIT(_a, _r, _f) \
577	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
578#define OS_REG_IS_BIT_SET(_a, _r, _f) \
579	    ((OS_REG_READ(_a, _r) & (_f)) != 0)
580#define	OS_REG_RMW_FIELD_ALT(_a, _r, _f, _v) \
581	    OS_REG_WRITE(_a, _r, \
582	    (OS_REG_READ(_a, _r) &~(_f<<_f##_S)) | \
583	    (((_v) << _f##_S) & (_f<<_f##_S)))
584#define	OS_REG_READ_FIELD(_a, _r, _f) \
585	    (((OS_REG_READ(_a, _r) & _f) >> _f##_S))
586#define	OS_REG_READ_FIELD_ALT(_a, _r, _f) \
587	    ((OS_REG_READ(_a, _r) >> (_f##_S))&(_f))
588
589/* Analog register writes may require a delay between each one (eg Merlin?) */
590#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
591	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | \
592	    (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
593#define	OS_A_REG_WRITE(_a, _r, _v) \
594	do { OS_REG_WRITE(_a, _r, _v); OS_DELAY(100); } while (0)
595
596/* wait for the register contents to have the specified value */
597extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
598		uint32_t mask, uint32_t val);
599extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
600		uint32_t mask, uint32_t val, uint32_t timeout);
601
602/* return the first n bits in val reversed */
603extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
604
605/* printf interfaces */
606extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
607		__printflike(2,3);
608extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
609		__printflike(2, 0);
610extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
611
612/* allocate and free memory */
613extern	void *ath_hal_malloc(size_t);
614extern	void ath_hal_free(void *);
615
616/* common debugging interfaces */
617#ifdef AH_DEBUG
618#include "ah_debug.h"
619extern	int ath_hal_debug;	/* Global debug flags */
620
621/*
622 * The typecast is purely because some callers will pass in
623 * AH_NULL directly rather than using a NULL ath_hal pointer.
624 */
625#define	HALDEBUG(_ah, __m, ...) \
626	do {							\
627		if ((__m) == HAL_DEBUG_UNMASKABLE ||		\
628		    ath_hal_debug & (__m) ||			\
629		    ((_ah) != NULL &&				\
630		      ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) {	\
631			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
632		}						\
633	} while(0);
634
635extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
636	__printflike(3,4);
637#else
638#define HALDEBUG(_ah, __m, ...)
639#endif /* AH_DEBUG */
640
641/*
642 * Register logging definitions shared with ardecode.
643 */
644#include "ah_decode.h"
645
646/*
647 * Common assertion interface.  Note: it is a bad idea to generate
648 * an assertion failure for any recoverable event.  Instead catch
649 * the violation and, if possible, fix it up or recover from it; either
650 * with an error return value or a diagnostic messages.  System software
651 * does not panic unless the situation is hopeless.
652 */
653#ifdef AH_ASSERT
654extern	void ath_hal_assert_failed(const char* filename,
655		int lineno, const char* msg);
656
657#define	HALASSERT(_x) do {					\
658	if (!(_x)) {						\
659		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
660	}							\
661} while (0)
662#else
663#define	HALASSERT(_x)
664#endif /* AH_ASSERT */
665
666/*
667 * Regulatory domain support.
668 */
669
670/*
671 * Return the max allowed antenna gain and apply any regulatory
672 * domain specific changes.
673 */
674u_int	ath_hal_getantennareduction(struct ath_hal *ah,
675	    const struct ieee80211_channel *chan, u_int twiceGain);
676
677/*
678 * Return the test group for the specific channel based on
679 * the current regulatory setup.
680 */
681u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
682
683/*
684 * Map a public channel definition to the corresponding
685 * internal data structure.  This implicitly specifies
686 * whether or not the specified channel is ok to use
687 * based on the current regulatory domain constraints.
688 */
689#ifndef AH_DEBUG
690static OS_INLINE HAL_CHANNEL_INTERNAL *
691ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
692{
693	HAL_CHANNEL_INTERNAL *cc;
694
695	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
696	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
697	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
698	return cc;
699}
700#else
701/* NB: non-inline version that checks state */
702HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
703		const struct ieee80211_channel *);
704#endif /* AH_DEBUG */
705
706/*
707 * Return the h/w frequency for a channel.  This may be
708 * different from ic_freq if this is a GSM device that
709 * takes 2.4GHz frequencies and down-converts them.
710 */
711static OS_INLINE uint16_t
712ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
713{
714	return ath_hal_checkchannel(ah, c)->channel;
715}
716
717/*
718 * Convert between microseconds and core system clocks.
719 */
720extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
721extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
722
723/*
724 * Generic get/set capability support.  Each chip overrides
725 * this routine to support chip-specific capabilities.
726 */
727extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
728		HAL_CAPABILITY_TYPE type, uint32_t capability,
729		uint32_t *result);
730extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
731		HAL_CAPABILITY_TYPE type, uint32_t capability,
732		uint32_t setting, HAL_STATUS *status);
733
734/* The diagnostic codes used to be internally defined here -adrian */
735#include "ah_diagcodes.h"
736
737/*
738 * The AR5416 and later HALs have MAC and baseband hang checking.
739 */
740typedef struct {
741	uint32_t hang_reg_offset;
742	uint32_t hang_val;
743	uint32_t hang_mask;
744	uint32_t hang_offset;
745} hal_hw_hang_check_t;
746
747typedef struct {
748	uint32_t dma_dbg_3;
749	uint32_t dma_dbg_4;
750	uint32_t dma_dbg_5;
751	uint32_t dma_dbg_6;
752} mac_dbg_regs_t;
753
754typedef enum {
755	dcu_chain_state		= 0x1,
756	dcu_complete_state	= 0x2,
757	qcu_state		= 0x4,
758	qcu_fsp_ok		= 0x8,
759	qcu_fsp_state		= 0x10,
760	qcu_stitch_state	= 0x20,
761	qcu_fetch_state		= 0x40,
762	qcu_complete_state	= 0x80
763} hal_mac_hangs_t;
764
765typedef struct {
766	int states;
767	uint8_t dcu_chain_state;
768	uint8_t dcu_complete_state;
769	uint8_t qcu_state;
770	uint8_t qcu_fsp_ok;
771	uint8_t qcu_fsp_state;
772	uint8_t qcu_stitch_state;
773	uint8_t qcu_fetch_state;
774	uint8_t qcu_complete_state;
775} hal_mac_hang_check_t;
776
777enum {
778    HAL_BB_HANG_DFS		= 0x0001,
779    HAL_BB_HANG_RIFS		= 0x0002,
780    HAL_BB_HANG_RX_CLEAR	= 0x0004,
781    HAL_BB_HANG_UNKNOWN		= 0x0080,
782
783    HAL_MAC_HANG_SIG1		= 0x0100,
784    HAL_MAC_HANG_SIG2		= 0x0200,
785    HAL_MAC_HANG_UNKNOWN	= 0x8000,
786
787    HAL_BB_HANGS = HAL_BB_HANG_DFS
788		 | HAL_BB_HANG_RIFS
789		 | HAL_BB_HANG_RX_CLEAR
790		 | HAL_BB_HANG_UNKNOWN,
791    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
792		 | HAL_MAC_HANG_SIG2
793		 | HAL_MAC_HANG_UNKNOWN,
794};
795
796/* Merge these with above */
797typedef enum hal_hw_hangs {
798    HAL_DFS_BB_HANG_WAR          = 0x1,
799    HAL_RIFS_BB_HANG_WAR         = 0x2,
800    HAL_RX_STUCK_LOW_BB_HANG_WAR = 0x4,
801    HAL_MAC_HANG_WAR             = 0x8,
802    HAL_PHYRESTART_CLR_WAR       = 0x10,
803    HAL_MAC_HANG_DETECTED        = 0x40000000,
804    HAL_BB_HANG_DETECTED         = 0x80000000
805} hal_hw_hangs_t;
806
807/*
808 * Device revision information.
809 */
810typedef struct {
811	uint16_t	ah_devid;		/* PCI device ID */
812	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
813	uint32_t	ah_macVersion;		/* MAC version id */
814	uint16_t	ah_macRev;		/* MAC revision */
815	uint16_t	ah_phyRev;		/* PHY revision */
816	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
817	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
818} HAL_REVS;
819
820/*
821 * Argument payload for HAL_DIAG_SETKEY.
822 */
823typedef struct {
824	HAL_KEYVAL	dk_keyval;
825	uint16_t	dk_keyix;	/* key index */
826	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
827	int		dk_xor;		/* XOR key data */
828} HAL_DIAG_KEYVAL;
829
830/*
831 * Argument payload for HAL_DIAG_EEWRITE.
832 */
833typedef struct {
834	uint16_t	ee_off;		/* eeprom offset */
835	uint16_t	ee_data;	/* write data */
836} HAL_DIAG_EEVAL;
837
838
839typedef struct {
840	u_int offset;		/* reg offset */
841	uint32_t val;		/* reg value  */
842} HAL_DIAG_REGVAL;
843
844/*
845 * 11n compatibility tweaks.
846 */
847#define	HAL_DIAG_11N_SERVICES	0x00000003
848#define	HAL_DIAG_11N_SERVICES_S	0
849#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
850#define	HAL_DIAG_11N_TXSTOMP_S	2
851
852typedef struct {
853	int		maxNoiseImmunityLevel;	/* [0..4] */
854	int		totalSizeDesired[5];
855	int		coarseHigh[5];
856	int		coarseLow[5];
857	int		firpwr[5];
858
859	int		maxSpurImmunityLevel;	/* [0..7] */
860	int		cycPwrThr1[8];
861
862	int		maxFirstepLevel;	/* [0..2] */
863	int		firstep[3];
864
865	uint32_t	ofdmTrigHigh;
866	uint32_t	ofdmTrigLow;
867	int32_t		cckTrigHigh;
868	int32_t		cckTrigLow;
869	int32_t		rssiThrLow;
870	int32_t		rssiThrHigh;
871
872	int		period;			/* update listen period */
873} HAL_ANI_PARAMS;
874
875extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
876			const void *args, uint32_t argsize,
877			void **result, uint32_t *resultsize);
878
879/*
880 * Setup a h/w rate table for use.
881 */
882extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
883
884/*
885 * Common routine for implementing getChanNoise api.
886 */
887int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
888
889/*
890 * Initialization support.
891 */
892typedef struct {
893	const uint32_t	*data;
894	int		rows, cols;
895} HAL_INI_ARRAY;
896
897#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
898	(_ia)->data = (const uint32_t *)(_data);		\
899	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
900	(_ia)->cols = (_cols);					\
901} while (0)
902#define	HAL_INI_VAL(_ia, _r, _c) \
903	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
904
905/*
906 * OS_DELAY() does a PIO READ on the PCI bus which allows
907 * other cards' DMA reads to complete in the middle of our reset.
908 */
909#define DMA_YIELD(x) do {		\
910	if ((++(x) % 64) == 0)		\
911		OS_DELAY(1);		\
912} while (0)
913
914#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
915	int r;								\
916	for (r = 0; r < N(regArray); r++) {				\
917		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
918		DMA_YIELD(regWr);					\
919	}								\
920} while (0)
921
922#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
923	int r;								\
924	for (r = 0; r < N(regArray); r++) {				\
925		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
926		DMA_YIELD(regWr);					\
927	}								\
928} while (0)
929
930extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
931		int col, int regWr);
932extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
933		int col);
934extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
935		const uint32_t data[], int regWr);
936
937#define	CCK_SIFS_TIME		10
938#define	CCK_PREAMBLE_BITS	144
939#define	CCK_PLCP_BITS		48
940
941#define	OFDM_SIFS_TIME		16
942#define	OFDM_PREAMBLE_TIME	20
943#define	OFDM_PLCP_BITS		22
944#define	OFDM_SYMBOL_TIME	4
945
946#define	OFDM_HALF_SIFS_TIME	32
947#define	OFDM_HALF_PREAMBLE_TIME	40
948#define	OFDM_HALF_PLCP_BITS	22
949#define	OFDM_HALF_SYMBOL_TIME	8
950
951#define	OFDM_QUARTER_SIFS_TIME 		64
952#define	OFDM_QUARTER_PREAMBLE_TIME	80
953#define	OFDM_QUARTER_PLCP_BITS		22
954#define	OFDM_QUARTER_SYMBOL_TIME	16
955
956#define	TURBO_SIFS_TIME		8
957#define	TURBO_PREAMBLE_TIME	14
958#define	TURBO_PLCP_BITS		22
959#define	TURBO_SYMBOL_TIME	4
960
961#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
962
963/* Generic EEPROM board value functions */
964extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
965	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
966extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
967	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
968	uint8_t *pRetVpdList);
969extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
970	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
971
972/* Whether 5ghz fast clock is needed */
973/*
974 * The chipset (Merlin, AR9300/later) should set the capability flag below;
975 * this flag simply says that the hardware can do it, not that the EEPROM
976 * says it can.
977 *
978 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock
979 *   if the relevant eeprom flag is set.
980 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock
981 *   by default.
982 */
983#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
984	(IEEE80211_IS_CHAN_5GHZ(_c) && \
985	 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \
986	ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G))
987
988/*
989 * Fetch the maximum regulatory domain power for the given channel
990 * in 1/2dBm steps.
991 */
992static inline int
993ath_hal_get_twice_max_regpower(struct ath_hal_private *ahp,
994    const HAL_CHANNEL_INTERNAL *ichan, const struct ieee80211_channel *chan)
995{
996	struct ath_hal *ah = &ahp->h;
997
998	if (! chan) {
999		ath_hal_printf(ah, "%s: called with chan=NULL!\n", __func__);
1000		return (0);
1001	}
1002	return (chan->ic_maxpower);
1003}
1004
1005/*
1006 * Get the maximum antenna gain allowed, in 1/2dBm steps.
1007 */
1008static inline int
1009ath_hal_getantennaallowed(struct ath_hal *ah,
1010    const struct ieee80211_channel *chan)
1011{
1012
1013	if (! chan)
1014		return (0);
1015
1016	return (chan->ic_maxantgain);
1017}
1018
1019
1020#endif /* _ATH_AH_INTERAL_H_ */
1021