ah_internal.h revision 192396
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 192396 2009-05-19 17:30:13Z sam $
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
32#ifndef NBBY
33#define	NBBY	8			/* number of bits/byte */
34#endif
35
36#ifndef roundup
37#define	roundup(x, y)	((((x)+((y)-1))/(y))*(y))  /* to any y */
38#endif
39#ifndef howmany
40#define	howmany(x, y)	(((x)+((y)-1))/(y))
41#endif
42
43#ifndef offsetof
44#define	offsetof(type, field)	((size_t)(&((type *)0)->field))
45#endif
46
47typedef struct {
48	uint16_t	start;		/* first register */
49	uint16_t	end;		/* ending register or zero */
50} HAL_REGRANGE;
51
52typedef struct {
53	uint32_t	addr;		/* regiser address/offset */
54	uint32_t	value;		/* value to write */
55} HAL_REGWRITE;
56
57/*
58 * Transmit power scale factor.
59 *
60 * NB: This is not public because we want to discourage the use of
61 *     scaling; folks should use the tx power limit interface.
62 */
63typedef enum {
64	HAL_TP_SCALE_MAX	= 0,		/* no scaling (default) */
65	HAL_TP_SCALE_50		= 1,		/* 50% of max (-3 dBm) */
66	HAL_TP_SCALE_25		= 2,		/* 25% of max (-6 dBm) */
67	HAL_TP_SCALE_12		= 3,		/* 12% of max (-9 dBm) */
68	HAL_TP_SCALE_MIN	= 4,		/* min, but still on */
69} HAL_TP_SCALE;
70
71typedef enum {
72 	HAL_CAP_RADAR		= 0,		/* Radar capability */
73 	HAL_CAP_AR		= 1,		/* AR capability */
74} HAL_PHYDIAG_CAPS;
75
76/*
77 * Each chip or class of chips registers to offer support.
78 */
79struct ath_hal_chip {
80	const char	*name;
81	const char	*(*probe)(uint16_t vendorid, uint16_t devid);
82	struct ath_hal	*(*attach)(uint16_t devid, HAL_SOFTC,
83			    HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *error);
84};
85#ifndef AH_CHIP
86#define	AH_CHIP(_name, _probe, _attach)				\
87static struct ath_hal_chip _name##_chip = {			\
88	.name		= #_name,				\
89	.probe		= _probe,				\
90	.attach		= _attach				\
91};								\
92OS_DATA_SET(ah_chips, _name##_chip)
93#endif
94
95/*
96 * Each RF backend registers to offer support; this is mostly
97 * used by multi-chip 5212 solutions.  Single-chip solutions
98 * have a fixed idea about which RF to use.
99 */
100struct ath_hal_rf {
101	const char	*name;
102	HAL_BOOL	(*probe)(struct ath_hal *ah);
103	HAL_BOOL	(*attach)(struct ath_hal *ah, HAL_STATUS *ecode);
104};
105#ifndef AH_RF
106#define	AH_RF(_name, _probe, _attach)				\
107static struct ath_hal_rf _name##_rf = {				\
108	.name		= __STRING(_name),			\
109	.probe		= _probe,				\
110	.attach		= _attach				\
111};								\
112OS_DATA_SET(ah_rfs, _name##_rf)
113#endif
114
115struct ath_hal_rf *ath_hal_rfprobe(struct ath_hal *ah, HAL_STATUS *ecode);
116
117/*
118 * Maximum number of internal channels.  Entries are per unique
119 * frequency so this might be need to be increased to handle all
120 * usage cases; typically no more than 32 are really needed but
121 * dynamically allocating the data structures is a bit painful
122 * right now.
123 */
124#ifndef AH_MAXCHAN
125#define	AH_MAXCHAN	96
126#endif
127
128/*
129 * Internal per-channel state.  These are found
130 * using ic_devdata in the ieee80211_channel.
131 */
132typedef struct {
133	uint16_t	channel;	/* h/w frequency, NB: may be mapped */
134	uint8_t		privFlags;
135#define	CHANNEL_IQVALID		0x01	/* IQ calibration valid */
136#define	CHANNEL_ANI_INIT	0x02	/* ANI state initialized */
137#define	CHANNEL_ANI_SETUP	0x04	/* ANI state setup */
138	uint8_t		calValid;	/* bitmask of cal types */
139	int8_t		iCoff;
140	int8_t		qCoff;
141	int16_t		rawNoiseFloor;
142	int16_t		noiseFloorAdjust;
143	uint16_t	mainSpur;	/* cached spur value for this channel */
144} HAL_CHANNEL_INTERNAL;
145
146/* channel requires noise floor check */
147#define	CHANNEL_NFCREQUIRED	IEEE80211_CHAN_PRIV0
148
149/* all full-width channels */
150#define	IEEE80211_CHAN_ALLFULL \
151	(IEEE80211_CHAN_ALL - (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
152#define	IEEE80211_CHAN_ALLTURBOFULL \
153	(IEEE80211_CHAN_ALLTURBO - \
154	 (IEEE80211_CHAN_HALF | IEEE80211_CHAN_QUARTER))
155
156typedef struct {
157	uint32_t	halChanSpreadSupport 		: 1,
158			halSleepAfterBeaconBroken	: 1,
159			halCompressSupport		: 1,
160			halBurstSupport			: 1,
161			halFastFramesSupport		: 1,
162			halChapTuningSupport		: 1,
163			halTurboGSupport		: 1,
164			halTurboPrimeSupport		: 1,
165			halMicAesCcmSupport		: 1,
166			halMicCkipSupport		: 1,
167			halMicTkipSupport		: 1,
168			halTkipMicTxRxKeySupport	: 1,
169			halCipherAesCcmSupport		: 1,
170			halCipherCkipSupport		: 1,
171			halCipherTkipSupport		: 1,
172			halPSPollBroken			: 1,
173			halVEOLSupport			: 1,
174			halBssIdMaskSupport		: 1,
175			halMcastKeySrchSupport		: 1,
176			halTsfAddSupport		: 1,
177			halChanHalfRate			: 1,
178			halChanQuarterRate		: 1,
179			halHTSupport			: 1,
180			halRfSilentSupport		: 1,
181			halHwPhyCounterSupport		: 1,
182			halWowSupport			: 1,
183			halWowMatchPatternExact		: 1,
184			halAutoSleepSupport		: 1,
185			halFastCCSupport		: 1,
186			halBtCoexSupport		: 1;
187	uint32_t	halRxStbcSupport		: 1,
188			halTxStbcSupport		: 1,
189			halGTTSupport			: 1,
190			halCSTSupport			: 1,
191			halRifsRxSupport		: 1,
192			halRifsTxSupport		: 1,
193			halExtChanDfsSupport		: 1,
194			halForcePpmSupport		: 1,
195			halEnhancedPmSupport		: 1,
196			halMbssidAggrSupport		: 1;
197	uint32_t	halWirelessModes;
198	uint16_t	halTotalQueues;
199	uint16_t	halKeyCacheSize;
200	uint16_t	halLow5GhzChan, halHigh5GhzChan;
201	uint16_t	halLow2GhzChan, halHigh2GhzChan;
202	int		halTstampPrecision;
203	int		halRtsAggrLimit;
204	uint8_t		halTxChainMask;
205	uint8_t		halRxChainMask;
206	uint8_t		halNumGpioPins;
207	uint8_t		halNumAntCfg2GHz;
208	uint8_t		halNumAntCfg5GHz;
209	uint32_t	halIntrMask;
210} HAL_CAPABILITIES;
211
212struct regDomain;
213
214/*
215 * The ``private area'' follows immediately after the ``public area''
216 * in the data structure returned by ath_hal_attach.  Private data are
217 * used by device-independent code such as the regulatory domain support.
218 * In general, code within the HAL should never depend on data in the
219 * public area.  Instead any public data needed internally should be
220 * shadowed here.
221 *
222 * When declaring a device-specific ath_hal data structure this structure
223 * is assumed to at the front; e.g.
224 *
225 *	struct ath_hal_5212 {
226 *		struct ath_hal_private	ah_priv;
227 *		...
228 *	};
229 *
230 * It might be better to manage the method pointers in this structure
231 * using an indirect pointer to a read-only data structure but this would
232 * disallow class-style method overriding.
233 */
234struct ath_hal_private {
235	struct ath_hal	h;			/* public area */
236
237	/* NB: all methods go first to simplify initialization */
238	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
239				uint16_t channelFlags,
240				uint16_t *lowChannel, uint16_t *highChannel);
241	u_int		(*ah_getWirelessModes)(struct ath_hal*);
242	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
243				uint16_t *data);
244	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
245				uint16_t data);
246	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
247				struct ieee80211_channel *);
248	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
249				const HAL_CHANNEL_INTERNAL*);
250	void		(*ah_getNoiseFloor)(struct ath_hal *,
251				int16_t nfarray[]);
252
253	void		*ah_eeprom;		/* opaque EEPROM state */
254	uint16_t	ah_eeversion;		/* EEPROM version */
255	void		(*ah_eepromDetach)(struct ath_hal *);
256	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
257	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
258	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
259	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
260			    const void *args, uint32_t argsize,
261			    void **result, uint32_t *resultsize);
262
263	/*
264	 * Device revision information.
265	 */
266	uint16_t	ah_devid;		/* PCI device ID */
267	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
268	uint32_t	ah_macVersion;		/* MAC version id */
269	uint16_t	ah_macRev;		/* MAC revision */
270	uint16_t	ah_phyRev;		/* PHY revision */
271	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
272	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
273	uint8_t		ah_ispcie;		/* PCIE, special treatment */
274
275	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
276	const struct ieee80211_channel *ah_curchan;/* operating channel */
277	HAL_CAPABILITIES ah_caps;		/* device capabilities */
278	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
279	int16_t		ah_powerLimit;		/* tx power cap */
280	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
281	u_int		ah_tpScale;		/* tx power scale factor */
282	uint32_t	ah_11nCompat;		/* 11n compat controls */
283
284	/*
285	 * State for regulatory domain handling.
286	 */
287	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
288	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
289	u_int		ah_nchan;		/* valid items in ah_channels */
290	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
291	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
292
293	uint8_t    	ah_coverageClass;   	/* coverage class */
294	/*
295	 * RF Silent handling; setup according to the EEPROM.
296	 */
297	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
298	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
299	/*
300	 * Diagnostic support for discriminating HIUERR reports.
301	 */
302	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
303	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
304};
305
306#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
307
308#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
309	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
310#define	ath_hal_getWirelessModes(_ah) \
311	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
312#define	ath_hal_eepromRead(_ah, _off, _data) \
313	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
314#define	ath_hal_eepromWrite(_ah, _off, _data) \
315	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
316#define	ath_hal_gpioCfgOutput(_ah, _gpio, _type) \
317	(_ah)->ah_gpioCfgOutput(_ah, _gpio, _type)
318#define	ath_hal_gpioCfgInput(_ah, _gpio) \
319	(_ah)->ah_gpioCfgInput(_ah, _gpio)
320#define	ath_hal_gpioGet(_ah, _gpio) \
321	(_ah)->ah_gpioGet(_ah, _gpio)
322#define	ath_hal_gpioSet(_ah, _gpio, _val) \
323	(_ah)->ah_gpioSet(_ah, _gpio, _val)
324#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
325	(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
326#define	ath_hal_getpowerlimits(_ah, _chan) \
327	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
328#define ath_hal_getNfAdjust(_ah, _c) \
329	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
330#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
331	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
332#define	ath_hal_configPCIE(_ah, _reset) \
333	(_ah)->ah_configPCIE(_ah, _reset)
334#define	ath_hal_disablePCIE(_ah) \
335	(_ah)->ah_disablePCIE(_ah)
336
337#define	ath_hal_eepromDetach(_ah) do {				\
338	if (AH_PRIVATE(_ah)->ah_eepromDetach != AH_NULL)	\
339		AH_PRIVATE(_ah)->ah_eepromDetach(_ah);		\
340} while (0)
341#define	ath_hal_eepromGet(_ah, _param, _val) \
342	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
343#define	ath_hal_eepromSet(_ah, _param, _val) \
344	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
345#define	ath_hal_eepromGetFlag(_ah, _param) \
346	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
347#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
348	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
349#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
350	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
351
352#ifndef _NET_IF_IEEE80211_H_
353/*
354 * Stuff that would naturally come from _ieee80211.h
355 */
356#define	IEEE80211_ADDR_LEN		6
357
358#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
359#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
360#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
361
362#define	IEEE80211_CRC_LEN			4
363
364#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
365    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
366#endif /* _NET_IF_IEEE80211_H_ */
367
368#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
369
370#define INIT_AIFS		2
371#define INIT_CWMIN		15
372#define INIT_CWMIN_11B		31
373#define INIT_CWMAX		1023
374#define INIT_SH_RETRY		10
375#define INIT_LG_RETRY		10
376#define INIT_SSH_RETRY		32
377#define INIT_SLG_RETRY		32
378
379typedef struct {
380	uint32_t	tqi_ver;		/* HAL TXQ verson */
381	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
382	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
383	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
384	uint32_t	tqi_priority;
385	uint32_t	tqi_aifs;		/* aifs */
386	uint32_t	tqi_cwmin;		/* cwMin */
387	uint32_t	tqi_cwmax;		/* cwMax */
388	uint16_t	tqi_shretry;		/* frame short retry limit */
389	uint16_t	tqi_lgretry;		/* frame long retry limit */
390	uint32_t	tqi_cbrPeriod;
391	uint32_t	tqi_cbrOverflowLimit;
392	uint32_t	tqi_burstTime;
393	uint32_t	tqi_readyTime;
394	uint32_t	tqi_physCompBuf;
395	uint32_t	tqi_intFlags;		/* flags for internal use */
396} HAL_TX_QUEUE_INFO;
397
398extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
399		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
400extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
401		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
402
403typedef enum {
404	HAL_ANI_PRESENT,			/* is ANI support present */
405	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
406	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
407	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
408	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
409	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
410	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
411	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
412} HAL_ANI_CMD;
413
414#define	HAL_SPUR_VAL_MASK		0x3FFF
415#define	HAL_SPUR_CHAN_WIDTH		87
416#define	HAL_BIN_WIDTH_BASE_100HZ	3125
417#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
418#define	HAL_MAX_BINS_ALLOWED		28
419
420#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
421#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
422
423#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
424
425/*
426 * Deduce if the host cpu has big- or litt-endian byte order.
427 */
428static __inline__ int
429isBigEndian(void)
430{
431	union {
432		int32_t i;
433		char c[4];
434	} u;
435	u.i = 1;
436	return (u.c[0] == 0);
437}
438
439/* unalligned little endian access */
440#define LE_READ_2(p)							\
441	((uint16_t)							\
442	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
443#define LE_READ_4(p)							\
444	((uint32_t)							\
445	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
446	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
447
448/*
449 * Register manipulation macros that expect bit field defines
450 * to follow the convention that an _S suffix is appended for
451 * a shift count, while the field mask has no suffix.
452 */
453#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
454#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
455#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
456	OS_REG_WRITE(_a, _r, \
457		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
458#define	OS_REG_SET_BIT(_a, _r, _f) \
459	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
460#define	OS_REG_CLR_BIT(_a, _r, _f) \
461	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
462
463/* system-configurable parameters */
464extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
465extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
466extern	int ath_hal_additional_swba_backoff;	/* in TU's */
467
468/* wait for the register contents to have the specified value */
469extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
470		uint32_t mask, uint32_t val);
471
472/* return the first n bits in val reversed */
473extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
474
475/* printf interfaces */
476extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
477		__printflike(2,3);
478extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
479		__printflike(2, 0);
480extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
481
482/* allocate and free memory */
483extern	void *ath_hal_malloc(size_t);
484extern	void ath_hal_free(void *);
485
486/* common debugging interfaces */
487#ifdef AH_DEBUG
488#include "ah_debug.h"
489extern	int ath_hal_debug;
490extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
491	__printflike(3,4);
492#else
493#define HALDEBUG(_ah, __m, _fmt, ...)
494#endif /* AH_DEBUG */
495
496/*
497 * Register logging definitions shared with ardecode.
498 */
499#include "ah_decode.h"
500
501/*
502 * Common assertion interface.  Note: it is a bad idea to generate
503 * an assertion failure for any recoverable event.  Instead catch
504 * the violation and, if possible, fix it up or recover from it; either
505 * with an error return value or a diagnostic messages.  System software
506 * does not panic unless the situation is hopeless.
507 */
508#ifdef AH_ASSERT
509extern	void ath_hal_assert_failed(const char* filename,
510		int lineno, const char* msg);
511
512#define	HALASSERT(_x) do {					\
513	if (!(_x)) {						\
514		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
515	}							\
516} while (0)
517#else
518#define	HALASSERT(_x)
519#endif /* AH_ASSERT */
520
521/*
522 * Regulatory domain support.
523 */
524
525/*
526 * Return the max allowed antenna gain and apply any regulatory
527 * domain specific changes.
528 */
529u_int	ath_hal_getantennareduction(struct ath_hal *ah,
530	    const struct ieee80211_channel *chan, u_int twiceGain);
531
532/*
533 * Return the test group for the specific channel based on
534 * the current regulatory setup.
535 */
536u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
537
538/*
539 * Map a public channel definition to the corresponding
540 * internal data structure.  This implicitly specifies
541 * whether or not the specified channel is ok to use
542 * based on the current regulatory domain constraints.
543 */
544#ifndef AH_DEBUG
545static OS_INLINE HAL_CHANNEL_INTERNAL *
546ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
547{
548	HAL_CHANNEL_INTERNAL *cc;
549
550	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
551	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
552	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
553	return cc;
554}
555#else
556/* NB: non-inline version that checks state */
557HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
558		const struct ieee80211_channel *);
559#endif /* AH_DEBUG */
560
561/*
562 * Return the h/w frequency for a channel.  This may be
563 * different from ic_freq if this is a GSM device that
564 * takes 2.4GHz frequencies and down-converts them.
565 */
566static OS_INLINE uint16_t
567ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
568{
569	return ath_hal_checkchannel(ah, c)->channel;
570}
571
572/*
573 * Convert between microseconds and core system clocks.
574 */
575extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
576extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
577
578/*
579 * Generic get/set capability support.  Each chip overrides
580 * this routine to support chip-specific capabilities.
581 */
582extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
583		HAL_CAPABILITY_TYPE type, uint32_t capability,
584		uint32_t *result);
585extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
586		HAL_CAPABILITY_TYPE type, uint32_t capability,
587		uint32_t setting, HAL_STATUS *status);
588
589/*
590 * Diagnostic interface.  This is an open-ended interface that
591 * is opaque to applications.  Diagnostic programs use this to
592 * retrieve internal data structures, etc.  There is no guarantee
593 * that calling conventions for calls other than HAL_DIAG_REVS
594 * are stable between HAL releases; a diagnostic application must
595 * use the HAL revision information to deal with ABI/API differences.
596 *
597 * NB: do not renumber these, certain codes are publicly used.
598 */
599enum {
600	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
601	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
602	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
603	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
604	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
605	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
606	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
607	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
608	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
609	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
610	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
611	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
612	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
613	HAL_DIAG_REGS		= 13,	/* Registers */
614	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
615	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
616	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
617	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
618	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
619	/* 19-26 removed, do not reuse */
620	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
621	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
622	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
623	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
624	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
625	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
626	HAL_DIAG_SETREGS	= 33,	/* write registers */
627};
628
629enum {
630    HAL_BB_HANG_DFS		= 0x0001,
631    HAL_BB_HANG_RIFS		= 0x0002,
632    HAL_BB_HANG_RX_CLEAR	= 0x0004,
633    HAL_BB_HANG_UNKNOWN		= 0x0080,
634
635    HAL_MAC_HANG_SIG1		= 0x0100,
636    HAL_MAC_HANG_SIG2		= 0x0200,
637    HAL_MAC_HANG_UNKNOWN	= 0x8000,
638
639    HAL_BB_HANGS = HAL_BB_HANG_DFS
640		 | HAL_BB_HANG_RIFS
641		 | HAL_BB_HANG_RX_CLEAR
642		 | HAL_BB_HANG_UNKNOWN,
643    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
644		 | HAL_MAC_HANG_SIG2
645		 | HAL_MAC_HANG_UNKNOWN,
646};
647
648/*
649 * Device revision information.
650 */
651typedef struct {
652	uint16_t	ah_devid;		/* PCI device ID */
653	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
654	uint32_t	ah_macVersion;		/* MAC version id */
655	uint16_t	ah_macRev;		/* MAC revision */
656	uint16_t	ah_phyRev;		/* PHY revision */
657	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
658	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
659} HAL_REVS;
660
661/*
662 * Argument payload for HAL_DIAG_SETKEY.
663 */
664typedef struct {
665	HAL_KEYVAL	dk_keyval;
666	uint16_t	dk_keyix;	/* key index */
667	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
668	int		dk_xor;		/* XOR key data */
669} HAL_DIAG_KEYVAL;
670
671/*
672 * Argument payload for HAL_DIAG_EEWRITE.
673 */
674typedef struct {
675	uint16_t	ee_off;		/* eeprom offset */
676	uint16_t	ee_data;	/* write data */
677} HAL_DIAG_EEVAL;
678
679
680typedef struct {
681	u_int offset;		/* reg offset */
682	uint32_t val;		/* reg value  */
683} HAL_DIAG_REGVAL;
684
685/*
686 * 11n compatibility tweaks.
687 */
688#define	HAL_DIAG_11N_SERVICES	0x00000003
689#define	HAL_DIAG_11N_SERVICES_S	0
690#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
691#define	HAL_DIAG_11N_TXSTOMP_S	2
692
693typedef struct {
694	int		maxNoiseImmunityLevel;	/* [0..4] */
695	int		totalSizeDesired[5];
696	int		coarseHigh[5];
697	int		coarseLow[5];
698	int		firpwr[5];
699
700	int		maxSpurImmunityLevel;	/* [0..7] */
701	int		cycPwrThr1[8];
702
703	int		maxFirstepLevel;	/* [0..2] */
704	int		firstep[3];
705
706	uint32_t	ofdmTrigHigh;
707	uint32_t	ofdmTrigLow;
708	int32_t		cckTrigHigh;
709	int32_t		cckTrigLow;
710	int32_t		rssiThrLow;
711	int32_t		rssiThrHigh;
712
713	int		period;			/* update listen period */
714} HAL_ANI_PARAMS;
715
716extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
717			const void *args, uint32_t argsize,
718			void **result, uint32_t *resultsize);
719
720/*
721 * Setup a h/w rate table for use.
722 */
723extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
724
725/*
726 * Common routine for implementing getChanNoise api.
727 */
728int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
729
730/*
731 * Initialization support.
732 */
733typedef struct {
734	const uint32_t	*data;
735	int		rows, cols;
736} HAL_INI_ARRAY;
737
738#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
739	(_ia)->data = (const uint32_t *)(_data);		\
740	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
741	(_ia)->cols = (_cols);					\
742} while (0)
743#define	HAL_INI_VAL(_ia, _r, _c) \
744	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
745
746/*
747 * OS_DELAY() does a PIO READ on the PCI bus which allows
748 * other cards' DMA reads to complete in the middle of our reset.
749 */
750#define DMA_YIELD(x) do {		\
751	if ((++(x) % 64) == 0)		\
752		OS_DELAY(1);		\
753} while (0)
754
755#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
756	int r;								\
757	for (r = 0; r < N(regArray); r++) {				\
758		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
759		DMA_YIELD(regWr);					\
760	}								\
761} while (0)
762
763#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
764	int r;								\
765	for (r = 0; r < N(regArray); r++) {				\
766		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
767		DMA_YIELD(regWr);					\
768	}								\
769} while (0)
770
771extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
772		int col, int regWr);
773extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
774		int col);
775extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
776		const uint32_t data[], int regWr);
777
778#define	CCK_SIFS_TIME		10
779#define	CCK_PREAMBLE_BITS	144
780#define	CCK_PLCP_BITS		48
781
782#define	OFDM_SIFS_TIME		16
783#define	OFDM_PREAMBLE_TIME	20
784#define	OFDM_PLCP_BITS		22
785#define	OFDM_SYMBOL_TIME	4
786
787#define	OFDM_HALF_SIFS_TIME	32
788#define	OFDM_HALF_PREAMBLE_TIME	40
789#define	OFDM_HALF_PLCP_BITS	22
790#define	OFDM_HALF_SYMBOL_TIME	8
791
792#define	OFDM_QUARTER_SIFS_TIME 		64
793#define	OFDM_QUARTER_PREAMBLE_TIME	80
794#define	OFDM_QUARTER_PLCP_BITS		22
795#define	OFDM_QUARTER_SYMBOL_TIME	16
796
797#define	TURBO_SIFS_TIME		8
798#define	TURBO_PREAMBLE_TIME	14
799#define	TURBO_PLCP_BITS		22
800#define	TURBO_SYMBOL_TIME	4
801
802#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
803#endif /* _ATH_AH_INTERAL_H_ */
804