ah_internal.h revision 269760
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 269760 2014-08-09 18:15:28Z 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	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_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			halAntDivCombSupportOrg		: 1,
281			halRadioRetentionSupport	: 1,
282			halSpectralScanSupport		: 1,
283			halRxUsingLnaMixing		: 1,
284			halRxDoMyBeacon			: 1;
285
286	uint32_t	halWirelessModes;
287	uint16_t	halTotalQueues;
288	uint16_t	halKeyCacheSize;
289	uint16_t	halLow5GhzChan, halHigh5GhzChan;
290	uint16_t	halLow2GhzChan, halHigh2GhzChan;
291	int		halTstampPrecision;
292	int		halRtsAggrLimit;
293	uint8_t		halTxChainMask;
294	uint8_t		halRxChainMask;
295	uint8_t		halNumGpioPins;
296	uint8_t		halNumAntCfg2GHz;
297	uint8_t		halNumAntCfg5GHz;
298	uint32_t	halIntrMask;
299	uint8_t		halTxStreams;
300	uint8_t		halRxStreams;
301	HAL_MFP_OPT_T	halMfpSupport;
302
303	/* AR9300 HAL porting capabilities */
304	int		hal_paprd_enabled;
305	int		hal_pcie_lcr_offset;
306	int		hal_pcie_lcr_extsync_en;
307	int		halNumTxMaps;
308	int		halTxDescLen;
309	int		halTxStatusLen;
310	int		halRxStatusLen;
311	int		halRxHpFifoDepth;
312	int		halRxLpFifoDepth;
313	uint32_t	halRegCap;		/* XXX needed? */
314	int		halNumMRRetries;
315	int		hal_ani_poll_interval;
316	int		hal_channel_switch_time_usec;
317} HAL_CAPABILITIES;
318
319struct regDomain;
320
321/*
322 * Definitions for ah_flags in ath_hal_private
323 */
324#define		AH_USE_EEPROM	0x1
325#define		AH_IS_HB63	0x2
326
327/*
328 * The ``private area'' follows immediately after the ``public area''
329 * in the data structure returned by ath_hal_attach.  Private data are
330 * used by device-independent code such as the regulatory domain support.
331 * In general, code within the HAL should never depend on data in the
332 * public area.  Instead any public data needed internally should be
333 * shadowed here.
334 *
335 * When declaring a device-specific ath_hal data structure this structure
336 * is assumed to at the front; e.g.
337 *
338 *	struct ath_hal_5212 {
339 *		struct ath_hal_private	ah_priv;
340 *		...
341 *	};
342 *
343 * It might be better to manage the method pointers in this structure
344 * using an indirect pointer to a read-only data structure but this would
345 * disallow class-style method overriding.
346 */
347struct ath_hal_private {
348	struct ath_hal	h;			/* public area */
349
350	/* NB: all methods go first to simplify initialization */
351	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
352				uint16_t channelFlags,
353				uint16_t *lowChannel, uint16_t *highChannel);
354	u_int		(*ah_getWirelessModes)(struct ath_hal*);
355	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
356				uint16_t *data);
357	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
358				uint16_t data);
359	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
360				struct ieee80211_channel *);
361	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
362				const HAL_CHANNEL_INTERNAL*);
363	void		(*ah_getNoiseFloor)(struct ath_hal *,
364				int16_t nfarray[]);
365
366	void		*ah_eeprom;		/* opaque EEPROM state */
367	uint16_t	ah_eeversion;		/* EEPROM version */
368	void		(*ah_eepromDetach)(struct ath_hal *);
369	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
370	HAL_STATUS	(*ah_eepromSet)(struct ath_hal *, int, int);
371	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
372	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
373			    const void *args, uint32_t argsize,
374			    void **result, uint32_t *resultsize);
375
376	/*
377	 * Device revision information.
378	 */
379	uint16_t	ah_devid;		/* PCI device ID */
380	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
381	uint32_t	ah_macVersion;		/* MAC version id */
382	uint16_t	ah_macRev;		/* MAC revision */
383	uint16_t	ah_phyRev;		/* PHY revision */
384	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
385	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
386	uint32_t	ah_flags;		/* misc flags */
387	uint8_t		ah_ispcie;		/* PCIE, special treatment */
388	uint8_t		ah_devType;		/* card type - CB, PCI, PCIe */
389
390	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
391	const struct ieee80211_channel *ah_curchan;/* operating channel */
392	HAL_CAPABILITIES ah_caps;		/* device capabilities */
393	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
394	int16_t		ah_powerLimit;		/* tx power cap */
395	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
396	u_int		ah_tpScale;		/* tx power scale factor */
397	u_int16_t	ah_extraTxPow;		/* low rates extra-txpower */
398	uint32_t	ah_11nCompat;		/* 11n compat controls */
399
400	/*
401	 * State for regulatory domain handling.
402	 */
403	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
404	HAL_REG_DOMAIN	ah_currentRDext;	/* EEPROM extended regdomain flags */
405	HAL_DFS_DOMAIN	ah_dfsDomain;		/* current DFS domain */
406	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
407	u_int		ah_nchan;		/* valid items in ah_channels */
408	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
409	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
410
411	uint8_t    	ah_coverageClass;   	/* coverage class */
412	/*
413	 * RF Silent handling; setup according to the EEPROM.
414	 */
415	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
416	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
417	/*
418	 * Diagnostic support for discriminating HIUERR reports.
419	 */
420	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
421	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
422
423#ifndef	ATH_NF_PER_CHAN
424	HAL_NFCAL_HIST_FULL	nf_cal_hist;
425#endif	/* ! ATH_NF_PER_CHAN */
426};
427
428#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
429
430#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
431	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
432#define	ath_hal_getWirelessModes(_ah) \
433	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
434#define	ath_hal_eepromRead(_ah, _off, _data) \
435	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
436#define	ath_hal_eepromWrite(_ah, _off, _data) \
437	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
438#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
439	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
440#define	ath_hal_gpioCfgInput(_ah, _gpio) \
441	(_ah)->ah_gpioCfgInput(_ah, _gpio)
442#define	ath_hal_gpioGet(_ah, _gpio) \
443	(_ah)->ah_gpioGet(_ah, _gpio)
444#define	ath_hal_gpioSet(_ah, _gpio, _val) \
445	(_ah)->ah_gpioSet(_ah, _gpio, _val)
446#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
447	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
448#define	ath_hal_getpowerlimits(_ah, _chan) \
449	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
450#define ath_hal_getNfAdjust(_ah, _c) \
451	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
452#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
453	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
454#define	ath_hal_configPCIE(_ah, _reset, _poweroff) \
455	(_ah)->ah_configPCIE(_ah, _reset, _poweroff)
456#define	ath_hal_disablePCIE(_ah) \
457	(_ah)->ah_disablePCIE(_ah)
458#define	ath_hal_setInterrupts(_ah, _mask) \
459	(_ah)->ah_setInterrupts(_ah, _mask)
460
461#define ath_hal_isrfkillenabled(_ah)  \
462    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 1, AH_NULL) == HAL_OK)
463#define ath_hal_enable_rfkill(_ah, _v) \
464    ath_hal_setcapability(_ah, HAL_CAP_RFSILENT, 1, _v, AH_NULL)
465#define ath_hal_hasrfkill_int(_ah)  \
466    (ath_hal_getcapability(_ah, HAL_CAP_RFSILENT, 3, AH_NULL) == HAL_OK)
467
468#define	ath_hal_eepromDetach(_ah) do {				\
469	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
470		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
471} while (0)
472#define	ath_hal_eepromGet(_ah, _param, _val) \
473	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
474#define	ath_hal_eepromSet(_ah, _param, _val) \
475	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
476#define	ath_hal_eepromGetFlag(_ah, _param) \
477	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
478#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
479	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
480#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
481	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
482
483#ifndef _NET_IF_IEEE80211_H_
484/*
485 * Stuff that would naturally come from _ieee80211.h
486 */
487#define	IEEE80211_ADDR_LEN		6
488
489#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
490#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
491#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
492
493#define	IEEE80211_CRC_LEN			4
494
495#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
496    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
497#endif /* _NET_IF_IEEE80211_H_ */
498
499#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
500
501#define INIT_AIFS		2
502#define INIT_CWMIN		15
503#define INIT_CWMIN_11B		31
504#define INIT_CWMAX		1023
505#define INIT_SH_RETRY		10
506#define INIT_LG_RETRY		10
507#define INIT_SSH_RETRY		32
508#define INIT_SLG_RETRY		32
509
510typedef struct {
511	uint32_t	tqi_ver;		/* HAL TXQ verson */
512	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
513	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
514	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
515	uint32_t	tqi_priority;
516	uint32_t	tqi_aifs;		/* aifs */
517	uint32_t	tqi_cwmin;		/* cwMin */
518	uint32_t	tqi_cwmax;		/* cwMax */
519	uint16_t	tqi_shretry;		/* frame short retry limit */
520	uint16_t	tqi_lgretry;		/* frame long retry limit */
521	uint32_t	tqi_cbrPeriod;
522	uint32_t	tqi_cbrOverflowLimit;
523	uint32_t	tqi_burstTime;
524	uint32_t	tqi_readyTime;
525	uint32_t	tqi_physCompBuf;
526	uint32_t	tqi_intFlags;		/* flags for internal use */
527} HAL_TX_QUEUE_INFO;
528
529extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
530		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
531extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
532		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
533
534#define	HAL_SPUR_VAL_MASK		0x3FFF
535#define	HAL_SPUR_CHAN_WIDTH		87
536#define	HAL_BIN_WIDTH_BASE_100HZ	3125
537#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
538#define	HAL_MAX_BINS_ALLOWED		28
539
540#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
541#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
542
543#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
544
545/*
546 * Deduce if the host cpu has big- or litt-endian byte order.
547 */
548static __inline__ int
549isBigEndian(void)
550{
551	union {
552		int32_t i;
553		char c[4];
554	} u;
555	u.i = 1;
556	return (u.c[0] == 0);
557}
558
559/* unalligned little endian access */
560#define LE_READ_2(p)							\
561	((uint16_t)							\
562	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
563#define LE_READ_4(p)							\
564	((uint32_t)							\
565	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
566	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
567
568/*
569 * Register manipulation macros that expect bit field defines
570 * to follow the convention that an _S suffix is appended for
571 * a shift count, while the field mask has no suffix.
572 */
573#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
574#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
575#define OS_REG_RMW(_a, _r, _set, _clr)    \
576	OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) & ~(_clr)) | (_set))
577#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
578	OS_REG_WRITE(_a, _r, \
579		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
580#define	OS_REG_SET_BIT(_a, _r, _f) \
581	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
582#define	OS_REG_CLR_BIT(_a, _r, _f) \
583	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
584#define OS_REG_IS_BIT_SET(_a, _r, _f) \
585	    ((OS_REG_READ(_a, _r) & (_f)) != 0)
586#define	OS_REG_RMW_FIELD_ALT(_a, _r, _f, _v) \
587	    OS_REG_WRITE(_a, _r, \
588	    (OS_REG_READ(_a, _r) &~(_f<<_f##_S)) | \
589	    (((_v) << _f##_S) & (_f<<_f##_S)))
590#define	OS_REG_READ_FIELD(_a, _r, _f) \
591	    (((OS_REG_READ(_a, _r) & _f) >> _f##_S))
592#define	OS_REG_READ_FIELD_ALT(_a, _r, _f) \
593	    ((OS_REG_READ(_a, _r) >> (_f##_S))&(_f))
594
595/* Analog register writes may require a delay between each one (eg Merlin?) */
596#define	OS_A_REG_RMW_FIELD(_a, _r, _f, _v) \
597	do { OS_REG_WRITE(_a, _r, (OS_REG_READ(_a, _r) &~ (_f)) | \
598	    (((_v) << _f##_S) & (_f))) ; OS_DELAY(100); } while (0)
599#define	OS_A_REG_WRITE(_a, _r, _v) \
600	do { OS_REG_WRITE(_a, _r, _v); OS_DELAY(100); } while (0)
601
602/* wait for the register contents to have the specified value */
603extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
604		uint32_t mask, uint32_t val);
605extern	HAL_BOOL ath_hal_waitfor(struct ath_hal *, u_int reg,
606		uint32_t mask, uint32_t val, uint32_t timeout);
607
608/* return the first n bits in val reversed */
609extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
610
611/* printf interfaces */
612extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
613		__printflike(2,3);
614extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
615		__printflike(2, 0);
616extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
617
618/* allocate and free memory */
619extern	void *ath_hal_malloc(size_t);
620extern	void ath_hal_free(void *);
621
622/* common debugging interfaces */
623#ifdef AH_DEBUG
624#include "ah_debug.h"
625extern	int ath_hal_debug;	/* Global debug flags */
626
627/*
628 * The typecast is purely because some callers will pass in
629 * AH_NULL directly rather than using a NULL ath_hal pointer.
630 */
631#define	HALDEBUG(_ah, __m, ...) \
632	do {							\
633		if ((__m) == HAL_DEBUG_UNMASKABLE ||		\
634		    ath_hal_debug & (__m) ||			\
635		    ((_ah) != NULL &&				\
636		      ((struct ath_hal *) (_ah))->ah_config.ah_debug & (__m))) {	\
637			DO_HALDEBUG((_ah), (__m), __VA_ARGS__);	\
638		}						\
639	} while(0);
640
641extern	void DO_HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
642	__printflike(3,4);
643#else
644#define HALDEBUG(_ah, __m, ...)
645#endif /* AH_DEBUG */
646
647/*
648 * Register logging definitions shared with ardecode.
649 */
650#include "ah_decode.h"
651
652/*
653 * Common assertion interface.  Note: it is a bad idea to generate
654 * an assertion failure for any recoverable event.  Instead catch
655 * the violation and, if possible, fix it up or recover from it; either
656 * with an error return value or a diagnostic messages.  System software
657 * does not panic unless the situation is hopeless.
658 */
659#ifdef AH_ASSERT
660extern	void ath_hal_assert_failed(const char* filename,
661		int lineno, const char* msg);
662
663#define	HALASSERT(_x) do {					\
664	if (!(_x)) {						\
665		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
666	}							\
667} while (0)
668#else
669#define	HALASSERT(_x)
670#endif /* AH_ASSERT */
671
672/*
673 * Regulatory domain support.
674 */
675
676/*
677 * Return the max allowed antenna gain and apply any regulatory
678 * domain specific changes.
679 */
680u_int	ath_hal_getantennareduction(struct ath_hal *ah,
681	    const struct ieee80211_channel *chan, u_int twiceGain);
682
683/*
684 * Return the test group for the specific channel based on
685 * the current regulatory setup.
686 */
687u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
688
689/*
690 * Map a public channel definition to the corresponding
691 * internal data structure.  This implicitly specifies
692 * whether or not the specified channel is ok to use
693 * based on the current regulatory domain constraints.
694 */
695#ifndef AH_DEBUG
696static OS_INLINE HAL_CHANNEL_INTERNAL *
697ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
698{
699	HAL_CHANNEL_INTERNAL *cc;
700
701	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
702	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
703	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
704	return cc;
705}
706#else
707/* NB: non-inline version that checks state */
708HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
709		const struct ieee80211_channel *);
710#endif /* AH_DEBUG */
711
712/*
713 * Return the h/w frequency for a channel.  This may be
714 * different from ic_freq if this is a GSM device that
715 * takes 2.4GHz frequencies and down-converts them.
716 */
717static OS_INLINE uint16_t
718ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
719{
720	return ath_hal_checkchannel(ah, c)->channel;
721}
722
723/*
724 * Convert between microseconds and core system clocks.
725 */
726extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
727extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
728
729/*
730 * Generic get/set capability support.  Each chip overrides
731 * this routine to support chip-specific capabilities.
732 */
733extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
734		HAL_CAPABILITY_TYPE type, uint32_t capability,
735		uint32_t *result);
736extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
737		HAL_CAPABILITY_TYPE type, uint32_t capability,
738		uint32_t setting, HAL_STATUS *status);
739
740/* The diagnostic codes used to be internally defined here -adrian */
741#include "ah_diagcodes.h"
742
743/*
744 * The AR5416 and later HALs have MAC and baseband hang checking.
745 */
746typedef struct {
747	uint32_t hang_reg_offset;
748	uint32_t hang_val;
749	uint32_t hang_mask;
750	uint32_t hang_offset;
751} hal_hw_hang_check_t;
752
753typedef struct {
754	uint32_t dma_dbg_3;
755	uint32_t dma_dbg_4;
756	uint32_t dma_dbg_5;
757	uint32_t dma_dbg_6;
758} mac_dbg_regs_t;
759
760typedef enum {
761	dcu_chain_state		= 0x1,
762	dcu_complete_state	= 0x2,
763	qcu_state		= 0x4,
764	qcu_fsp_ok		= 0x8,
765	qcu_fsp_state		= 0x10,
766	qcu_stitch_state	= 0x20,
767	qcu_fetch_state		= 0x40,
768	qcu_complete_state	= 0x80
769} hal_mac_hangs_t;
770
771typedef struct {
772	int states;
773	uint8_t dcu_chain_state;
774	uint8_t dcu_complete_state;
775	uint8_t qcu_state;
776	uint8_t qcu_fsp_ok;
777	uint8_t qcu_fsp_state;
778	uint8_t qcu_stitch_state;
779	uint8_t qcu_fetch_state;
780	uint8_t qcu_complete_state;
781} hal_mac_hang_check_t;
782
783enum {
784    HAL_BB_HANG_DFS		= 0x0001,
785    HAL_BB_HANG_RIFS		= 0x0002,
786    HAL_BB_HANG_RX_CLEAR	= 0x0004,
787    HAL_BB_HANG_UNKNOWN		= 0x0080,
788
789    HAL_MAC_HANG_SIG1		= 0x0100,
790    HAL_MAC_HANG_SIG2		= 0x0200,
791    HAL_MAC_HANG_UNKNOWN	= 0x8000,
792
793    HAL_BB_HANGS = HAL_BB_HANG_DFS
794		 | HAL_BB_HANG_RIFS
795		 | HAL_BB_HANG_RX_CLEAR
796		 | HAL_BB_HANG_UNKNOWN,
797    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
798		 | HAL_MAC_HANG_SIG2
799		 | HAL_MAC_HANG_UNKNOWN,
800};
801
802/* Merge these with above */
803typedef enum hal_hw_hangs {
804    HAL_DFS_BB_HANG_WAR          = 0x1,
805    HAL_RIFS_BB_HANG_WAR         = 0x2,
806    HAL_RX_STUCK_LOW_BB_HANG_WAR = 0x4,
807    HAL_MAC_HANG_WAR             = 0x8,
808    HAL_PHYRESTART_CLR_WAR       = 0x10,
809    HAL_MAC_HANG_DETECTED        = 0x40000000,
810    HAL_BB_HANG_DETECTED         = 0x80000000
811} hal_hw_hangs_t;
812
813/*
814 * Device revision information.
815 */
816typedef struct {
817	uint16_t	ah_devid;		/* PCI device ID */
818	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
819	uint32_t	ah_macVersion;		/* MAC version id */
820	uint16_t	ah_macRev;		/* MAC revision */
821	uint16_t	ah_phyRev;		/* PHY revision */
822	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
823	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
824} HAL_REVS;
825
826/*
827 * Argument payload for HAL_DIAG_SETKEY.
828 */
829typedef struct {
830	HAL_KEYVAL	dk_keyval;
831	uint16_t	dk_keyix;	/* key index */
832	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
833	int		dk_xor;		/* XOR key data */
834} HAL_DIAG_KEYVAL;
835
836/*
837 * Argument payload for HAL_DIAG_EEWRITE.
838 */
839typedef struct {
840	uint16_t	ee_off;		/* eeprom offset */
841	uint16_t	ee_data;	/* write data */
842} HAL_DIAG_EEVAL;
843
844
845typedef struct {
846	u_int offset;		/* reg offset */
847	uint32_t val;		/* reg value  */
848} HAL_DIAG_REGVAL;
849
850/*
851 * 11n compatibility tweaks.
852 */
853#define	HAL_DIAG_11N_SERVICES	0x00000003
854#define	HAL_DIAG_11N_SERVICES_S	0
855#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
856#define	HAL_DIAG_11N_TXSTOMP_S	2
857
858typedef struct {
859	int		maxNoiseImmunityLevel;	/* [0..4] */
860	int		totalSizeDesired[5];
861	int		coarseHigh[5];
862	int		coarseLow[5];
863	int		firpwr[5];
864
865	int		maxSpurImmunityLevel;	/* [0..7] */
866	int		cycPwrThr1[8];
867
868	int		maxFirstepLevel;	/* [0..2] */
869	int		firstep[3];
870
871	uint32_t	ofdmTrigHigh;
872	uint32_t	ofdmTrigLow;
873	int32_t		cckTrigHigh;
874	int32_t		cckTrigLow;
875	int32_t		rssiThrLow;
876	int32_t		rssiThrHigh;
877
878	int		period;			/* update listen period */
879} HAL_ANI_PARAMS;
880
881extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
882			const void *args, uint32_t argsize,
883			void **result, uint32_t *resultsize);
884
885/*
886 * Setup a h/w rate table for use.
887 */
888extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
889
890/*
891 * Common routine for implementing getChanNoise api.
892 */
893int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
894
895/*
896 * Initialization support.
897 */
898typedef struct {
899	const uint32_t	*data;
900	int		rows, cols;
901} HAL_INI_ARRAY;
902
903#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
904	(_ia)->data = (const uint32_t *)(_data);		\
905	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
906	(_ia)->cols = (_cols);					\
907} while (0)
908#define	HAL_INI_VAL(_ia, _r, _c) \
909	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
910
911/*
912 * OS_DELAY() does a PIO READ on the PCI bus which allows
913 * other cards' DMA reads to complete in the middle of our reset.
914 */
915#define DMA_YIELD(x) do {		\
916	if ((++(x) % 64) == 0)		\
917		OS_DELAY(1);		\
918} while (0)
919
920#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
921	int r;								\
922	for (r = 0; r < N(regArray); r++) {				\
923		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
924		DMA_YIELD(regWr);					\
925	}								\
926} while (0)
927
928#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
929	int r;								\
930	for (r = 0; r < N(regArray); r++) {				\
931		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
932		DMA_YIELD(regWr);					\
933	}								\
934} while (0)
935
936extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
937		int col, int regWr);
938extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
939		int col);
940extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
941		const uint32_t data[], int regWr);
942
943#define	CCK_SIFS_TIME		10
944#define	CCK_PREAMBLE_BITS	144
945#define	CCK_PLCP_BITS		48
946
947#define	OFDM_SIFS_TIME		16
948#define	OFDM_PREAMBLE_TIME	20
949#define	OFDM_PLCP_BITS		22
950#define	OFDM_SYMBOL_TIME	4
951
952#define	OFDM_HALF_SIFS_TIME	32
953#define	OFDM_HALF_PREAMBLE_TIME	40
954#define	OFDM_HALF_PLCP_BITS	22
955#define	OFDM_HALF_SYMBOL_TIME	8
956
957#define	OFDM_QUARTER_SIFS_TIME 		64
958#define	OFDM_QUARTER_PREAMBLE_TIME	80
959#define	OFDM_QUARTER_PLCP_BITS		22
960#define	OFDM_QUARTER_SYMBOL_TIME	16
961
962#define	TURBO_SIFS_TIME		8
963#define	TURBO_PREAMBLE_TIME	14
964#define	TURBO_PLCP_BITS		22
965#define	TURBO_SYMBOL_TIME	4
966
967#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
968
969/* Generic EEPROM board value functions */
970extern	HAL_BOOL ath_ee_getLowerUpperIndex(uint8_t target, uint8_t *pList,
971	uint16_t listSize, uint16_t *indexL, uint16_t *indexR);
972extern	HAL_BOOL ath_ee_FillVpdTable(uint8_t pwrMin, uint8_t pwrMax,
973	uint8_t *pPwrList, uint8_t *pVpdList, uint16_t numIntercepts,
974	uint8_t *pRetVpdList);
975extern	int16_t ath_ee_interpolate(uint16_t target, uint16_t srcLeft,
976	uint16_t srcRight, int16_t targetLeft, int16_t targetRight);
977
978/* Whether 5ghz fast clock is needed */
979/*
980 * The chipset (Merlin, AR9300/later) should set the capability flag below;
981 * this flag simply says that the hardware can do it, not that the EEPROM
982 * says it can.
983 *
984 * Merlin 2.0/2.1 chips with an EEPROM version > 16 do 5ghz fast clock
985 *   if the relevant eeprom flag is set.
986 * Merlin 2.0/2.1 chips with an EEPROM version <= 16 do 5ghz fast clock
987 *   by default.
988 */
989#define	IS_5GHZ_FAST_CLOCK_EN(_ah, _c) \
990	(IEEE80211_IS_CHAN_5GHZ(_c) && \
991	 AH_PRIVATE((_ah))->ah_caps.halSupportsFastClock5GHz && \
992	ath_hal_eepromGetFlag((_ah), AR_EEP_FSTCLK_5G))
993
994/*
995 * Fetch the maximum regulatory domain power for the given channel
996 * in 1/2dBm steps.
997 */
998static inline int
999ath_hal_get_twice_max_regpower(struct ath_hal_private *ahp,
1000    const HAL_CHANNEL_INTERNAL *ichan, const struct ieee80211_channel *chan)
1001{
1002	struct ath_hal *ah = &ahp->h;
1003
1004	if (! chan) {
1005		ath_hal_printf(ah, "%s: called with chan=NULL!\n", __func__);
1006		return (0);
1007	}
1008	return (chan->ic_maxpower);
1009}
1010
1011/*
1012 * Get the maximum antenna gain allowed, in 1/2dBm steps.
1013 */
1014static inline int
1015ath_hal_getantennaallowed(struct ath_hal *ah,
1016    const struct ieee80211_channel *chan)
1017{
1018
1019	if (! chan)
1020		return (0);
1021
1022	return (chan->ic_maxantgain);
1023}
1024
1025/*
1026 * Map the given 2GHz channel to an IEEE number.
1027 */
1028extern	int ath_hal_mhz2ieee_2ghz(struct ath_hal *, HAL_CHANNEL_INTERNAL *);
1029
1030#endif /* _ATH_AH_INTERAL_H_ */
1031