ah_internal.h revision 188771
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 188771 2009-02-19 04:15:14Z 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} HAL_CAPABILITIES;
210
211struct regDomain;
212
213/*
214 * The ``private area'' follows immediately after the ``public area''
215 * in the data structure returned by ath_hal_attach.  Private data are
216 * used by device-independent code such as the regulatory domain support.
217 * In general, code within the HAL should never depend on data in the
218 * public area.  Instead any public data needed internally should be
219 * shadowed here.
220 *
221 * When declaring a device-specific ath_hal data structure this structure
222 * is assumed to at the front; e.g.
223 *
224 *	struct ath_hal_5212 {
225 *		struct ath_hal_private	ah_priv;
226 *		...
227 *	};
228 *
229 * It might be better to manage the method pointers in this structure
230 * using an indirect pointer to a read-only data structure but this would
231 * disallow class-style method overriding.
232 */
233struct ath_hal_private {
234	struct ath_hal	h;			/* public area */
235
236	/* NB: all methods go first to simplify initialization */
237	HAL_BOOL	(*ah_getChannelEdges)(struct ath_hal*,
238				uint16_t channelFlags,
239				uint16_t *lowChannel, uint16_t *highChannel);
240	u_int		(*ah_getWirelessModes)(struct ath_hal*);
241	HAL_BOOL	(*ah_eepromRead)(struct ath_hal *, u_int off,
242				uint16_t *data);
243	HAL_BOOL	(*ah_eepromWrite)(struct ath_hal *, u_int off,
244				uint16_t data);
245	HAL_BOOL	(*ah_gpioCfgOutput)(struct ath_hal *, uint32_t gpio);
246	HAL_BOOL	(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
247	uint32_t	(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
248	HAL_BOOL	(*ah_gpioSet)(struct ath_hal *,
249				uint32_t gpio, uint32_t val);
250	void		(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
251	HAL_BOOL	(*ah_getChipPowerLimits)(struct ath_hal *,
252				struct ieee80211_channel *);
253	int16_t		(*ah_getNfAdjust)(struct ath_hal *,
254				const HAL_CHANNEL_INTERNAL*);
255	void		(*ah_getNoiseFloor)(struct ath_hal *,
256				int16_t nfarray[]);
257
258	void		*ah_eeprom;		/* opaque EEPROM state */
259	uint16_t	ah_eeversion;		/* EEPROM version */
260	void		(*ah_eepromDetach)(struct ath_hal *);
261	HAL_STATUS	(*ah_eepromGet)(struct ath_hal *, int, void *);
262	HAL_BOOL	(*ah_eepromSet)(struct ath_hal *, int, int);
263	uint16_t	(*ah_getSpurChan)(struct ath_hal *, int, HAL_BOOL);
264	HAL_BOOL	(*ah_eepromDiag)(struct ath_hal *, int request,
265			    const void *args, uint32_t argsize,
266			    void **result, uint32_t *resultsize);
267
268	/*
269	 * Device revision information.
270	 */
271	uint16_t	ah_devid;		/* PCI device ID */
272	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
273	uint32_t	ah_macVersion;		/* MAC version id */
274	uint16_t	ah_macRev;		/* MAC revision */
275	uint16_t	ah_phyRev;		/* PHY revision */
276	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
277	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
278
279	HAL_OPMODE	ah_opmode;		/* operating mode from reset */
280	const struct ieee80211_channel *ah_curchan;/* operating channel */
281	HAL_CAPABILITIES ah_caps;		/* device capabilities */
282	uint32_t	ah_diagreg;		/* user-specified AR_DIAG_SW */
283	int16_t		ah_powerLimit;		/* tx power cap */
284	uint16_t	ah_maxPowerLevel;	/* calculated max tx power */
285	u_int		ah_tpScale;		/* tx power scale factor */
286	uint32_t	ah_11nCompat;		/* 11n compat controls */
287
288	/*
289	 * State for regulatory domain handling.
290	 */
291	HAL_REG_DOMAIN	ah_currentRD;		/* EEPROM regulatory domain */
292	HAL_CHANNEL_INTERNAL ah_channels[AH_MAXCHAN]; /* private chan state */
293	u_int		ah_nchan;		/* valid items in ah_channels */
294	const struct regDomain *ah_rd2GHz;	/* reg state for 2G band */
295	const struct regDomain *ah_rd5GHz;	/* reg state for 5G band */
296
297	uint8_t    	ah_coverageClass;   	/* coverage class */
298	/*
299	 * RF Silent handling; setup according to the EEPROM.
300	 */
301	uint16_t	ah_rfsilent;		/* GPIO pin + polarity */
302	HAL_BOOL	ah_rfkillEnabled;	/* enable/disable RfKill */
303	/*
304	 * Diagnostic support for discriminating HIUERR reports.
305	 */
306	uint32_t	ah_fatalState[6];	/* AR_ISR+shadow regs */
307	int		ah_rxornIsFatal;	/* how to treat HAL_INT_RXORN */
308};
309
310#define	AH_PRIVATE(_ah)	((struct ath_hal_private *)(_ah))
311
312#define	ath_hal_getChannelEdges(_ah, _cf, _lc, _hc) \
313	AH_PRIVATE(_ah)->ah_getChannelEdges(_ah, _cf, _lc, _hc)
314#define	ath_hal_getWirelessModes(_ah) \
315	AH_PRIVATE(_ah)->ah_getWirelessModes(_ah)
316#define	ath_hal_eepromRead(_ah, _off, _data) \
317	AH_PRIVATE(_ah)->ah_eepromRead(_ah, _off, _data)
318#define	ath_hal_eepromWrite(_ah, _off, _data) \
319	AH_PRIVATE(_ah)->ah_eepromWrite(_ah, _off, _data)
320#define	ath_hal_gpioCfgOutput(_ah, _gpio) \
321	AH_PRIVATE(_ah)->ah_gpioCfgOutput(_ah, _gpio)
322#define	ath_hal_gpioCfgInput(_ah, _gpio) \
323	AH_PRIVATE(_ah)->ah_gpioCfgInput(_ah, _gpio)
324#define	ath_hal_gpioGet(_ah, _gpio) \
325	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio)
326#define	ath_hal_gpioSet(_ah, _gpio, _val) \
327	AH_PRIVATE(_ah)->ah_gpioGet(_ah, _gpio, _val)
328#define	ath_hal_gpioSetIntr(_ah, _gpio, _ilevel) \
329	AH_PRIVATE(_ah)->ah_gpioSetIntr(_ah, _gpio, _ilevel)
330#define	ath_hal_getpowerlimits(_ah, _chan) \
331	AH_PRIVATE(_ah)->ah_getChipPowerLimits(_ah, _chan)
332#define ath_hal_getNfAdjust(_ah, _c) \
333	AH_PRIVATE(_ah)->ah_getNfAdjust(_ah, _c)
334#define	ath_hal_getNoiseFloor(_ah, _nfArray) \
335	AH_PRIVATE(_ah)->ah_getNoiseFloor(_ah, _nfArray)
336
337#define	ath_hal_eepromDetach(_ah) \
338	AH_PRIVATE(_ah)->ah_eepromDetach(_ah)
339#define	ath_hal_eepromGet(_ah, _param, _val) \
340	AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, _val)
341#define	ath_hal_eepromSet(_ah, _param, _val) \
342	AH_PRIVATE(_ah)->ah_eepromSet(_ah, _param, _val)
343#define	ath_hal_eepromGetFlag(_ah, _param) \
344	(AH_PRIVATE(_ah)->ah_eepromGet(_ah, _param, AH_NULL) == HAL_OK)
345#define ath_hal_getSpurChan(_ah, _ix, _is2G) \
346	AH_PRIVATE(_ah)->ah_getSpurChan(_ah, _ix, _is2G)
347#define	ath_hal_eepromDiag(_ah, _request, _a, _asize, _r, _rsize) \
348	AH_PRIVATE(_ah)->ah_eepromDiag(_ah, _request, _a, _asize,  _r, _rsize)
349
350#ifndef _NET_IF_IEEE80211_H_
351/*
352 * Stuff that would naturally come from _ieee80211.h
353 */
354#define	IEEE80211_ADDR_LEN		6
355
356#define	IEEE80211_WEP_IVLEN			3	/* 24bit */
357#define	IEEE80211_WEP_KIDLEN			1	/* 1 octet */
358#define	IEEE80211_WEP_CRCLEN			4	/* CRC-32 */
359
360#define	IEEE80211_CRC_LEN			4
361
362#define	IEEE80211_MAX_LEN			(2300 + IEEE80211_CRC_LEN + \
363    (IEEE80211_WEP_IVLEN + IEEE80211_WEP_KIDLEN + IEEE80211_WEP_CRCLEN))
364#endif /* _NET_IF_IEEE80211_H_ */
365
366#define HAL_TXQ_USE_LOCKOUT_BKOFF_DIS	0x00000001
367
368#define INIT_AIFS		2
369#define INIT_CWMIN		15
370#define INIT_CWMIN_11B		31
371#define INIT_CWMAX		1023
372#define INIT_SH_RETRY		10
373#define INIT_LG_RETRY		10
374#define INIT_SSH_RETRY		32
375#define INIT_SLG_RETRY		32
376
377typedef struct {
378	uint32_t	tqi_ver;		/* HAL TXQ verson */
379	HAL_TX_QUEUE	tqi_type;		/* hw queue type*/
380	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* queue subtype, if applicable */
381	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* queue flags */
382	uint32_t	tqi_priority;
383	uint32_t	tqi_aifs;		/* aifs */
384	uint32_t	tqi_cwmin;		/* cwMin */
385	uint32_t	tqi_cwmax;		/* cwMax */
386	uint16_t	tqi_shretry;		/* frame short retry limit */
387	uint16_t	tqi_lgretry;		/* frame long retry limit */
388	uint32_t	tqi_cbrPeriod;
389	uint32_t	tqi_cbrOverflowLimit;
390	uint32_t	tqi_burstTime;
391	uint32_t	tqi_readyTime;
392	uint32_t	tqi_physCompBuf;
393	uint32_t	tqi_intFlags;		/* flags for internal use */
394} HAL_TX_QUEUE_INFO;
395
396extern	HAL_BOOL ath_hal_setTxQProps(struct ath_hal *ah,
397		HAL_TX_QUEUE_INFO *qi, const HAL_TXQ_INFO *qInfo);
398extern	HAL_BOOL ath_hal_getTxQProps(struct ath_hal *ah,
399		HAL_TXQ_INFO *qInfo, const HAL_TX_QUEUE_INFO *qi);
400
401typedef enum {
402	HAL_ANI_PRESENT,			/* is ANI support present */
403	HAL_ANI_NOISE_IMMUNITY_LEVEL,		/* set level */
404	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION,	/* enable/disable */
405	HAL_ANI_CCK_WEAK_SIGNAL_THR,		/* enable/disable */
406	HAL_ANI_FIRSTEP_LEVEL,			/* set level */
407	HAL_ANI_SPUR_IMMUNITY_LEVEL,		/* set level */
408	HAL_ANI_MODE = 6,	/* 0 => manual, 1 => auto (XXX do not change) */
409	HAL_ANI_PHYERR_RESET,			/* reset phy error stats */
410} HAL_ANI_CMD;
411
412#define	HAL_SPUR_VAL_MASK		0x3FFF
413#define	HAL_SPUR_CHAN_WIDTH		87
414#define	HAL_BIN_WIDTH_BASE_100HZ	3125
415#define	HAL_BIN_WIDTH_TURBO_100HZ	6250
416#define	HAL_MAX_BINS_ALLOWED		28
417
418#define	IS_CHAN_5GHZ(_c)	((_c)->channel > 4900)
419#define	IS_CHAN_2GHZ(_c)	(!IS_CHAN_5GHZ(_c))
420
421#define	IS_CHAN_IN_PUBLIC_SAFETY_BAND(_c) ((_c) > 4940 && (_c) < 4990)
422
423/*
424 * Deduce if the host cpu has big- or litt-endian byte order.
425 */
426static __inline__ int
427isBigEndian(void)
428{
429	union {
430		int32_t i;
431		char c[4];
432	} u;
433	u.i = 1;
434	return (u.c[0] == 0);
435}
436
437/* unalligned little endian access */
438#define LE_READ_2(p)							\
439	((uint16_t)							\
440	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8)))
441#define LE_READ_4(p)							\
442	((uint32_t)							\
443	 ((((const uint8_t *)(p))[0]    ) | (((const uint8_t *)(p))[1]<< 8) |\
444	  (((const uint8_t *)(p))[2]<<16) | (((const uint8_t *)(p))[3]<<24)))
445
446/*
447 * Register manipulation macros that expect bit field defines
448 * to follow the convention that an _S suffix is appended for
449 * a shift count, while the field mask has no suffix.
450 */
451#define	SM(_v, _f)	(((_v) << _f##_S) & (_f))
452#define	MS(_v, _f)	(((_v) & (_f)) >> _f##_S)
453#define	OS_REG_RMW_FIELD(_a, _r, _f, _v) \
454	OS_REG_WRITE(_a, _r, \
455		(OS_REG_READ(_a, _r) &~ (_f)) | (((_v) << _f##_S) & (_f)))
456#define	OS_REG_SET_BIT(_a, _r, _f) \
457	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) | (_f))
458#define	OS_REG_CLR_BIT(_a, _r, _f) \
459	OS_REG_WRITE(_a, _r, OS_REG_READ(_a, _r) &~ (_f))
460
461/* system-configurable parameters */
462extern	int ath_hal_dma_beacon_response_time;	/* in TU's */
463extern	int ath_hal_sw_beacon_response_time;	/* in TU's */
464extern	int ath_hal_additional_swba_backoff;	/* in TU's */
465
466/* wait for the register contents to have the specified value */
467extern	HAL_BOOL ath_hal_wait(struct ath_hal *, u_int reg,
468		uint32_t mask, uint32_t val);
469
470/* return the first n bits in val reversed */
471extern	uint32_t ath_hal_reverseBits(uint32_t val, uint32_t n);
472
473/* printf interfaces */
474extern	void ath_hal_printf(struct ath_hal *, const char*, ...)
475		__printflike(2,3);
476extern	void ath_hal_vprintf(struct ath_hal *, const char*, __va_list)
477		__printflike(2, 0);
478extern	const char* ath_hal_ether_sprintf(const uint8_t *mac);
479
480/* allocate and free memory */
481extern	void *ath_hal_malloc(size_t);
482extern	void ath_hal_free(void *);
483
484/* common debugging interfaces */
485#ifdef AH_DEBUG
486#include "ah_debug.h"
487extern	int ath_hal_debug;
488extern	void HALDEBUG(struct ath_hal *ah, u_int mask, const char* fmt, ...)
489	__printflike(3,4);
490#else
491#define HALDEBUG(_ah, __m, _fmt, ...)
492#endif /* AH_DEBUG */
493
494/*
495 * Register logging definitions shared with ardecode.
496 */
497#include "ah_decode.h"
498
499/*
500 * Common assertion interface.  Note: it is a bad idea to generate
501 * an assertion failure for any recoverable event.  Instead catch
502 * the violation and, if possible, fix it up or recover from it; either
503 * with an error return value or a diagnostic messages.  System software
504 * does not panic unless the situation is hopeless.
505 */
506#ifdef AH_ASSERT
507extern	void ath_hal_assert_failed(const char* filename,
508		int lineno, const char* msg);
509
510#define	HALASSERT(_x) do {					\
511	if (!(_x)) {						\
512		ath_hal_assert_failed(__FILE__, __LINE__, #_x);	\
513	}							\
514} while (0)
515#else
516#define	HALASSERT(_x)
517#endif /* AH_ASSERT */
518
519/*
520 * Regulatory domain support.
521 */
522
523/*
524 * Return the max allowed antenna gain and apply any regulatory
525 * domain specific changes.
526 */
527u_int	ath_hal_getantennareduction(struct ath_hal *ah,
528	    const struct ieee80211_channel *chan, u_int twiceGain);
529
530/*
531 * Return the test group for the specific channel based on
532 * the current regulatory setup.
533 */
534u_int	ath_hal_getctl(struct ath_hal *, const struct ieee80211_channel *);
535
536/*
537 * Map a public channel definition to the corresponding
538 * internal data structure.  This implicitly specifies
539 * whether or not the specified channel is ok to use
540 * based on the current regulatory domain constraints.
541 */
542#ifndef AH_DEBUG
543static OS_INLINE HAL_CHANNEL_INTERNAL *
544ath_hal_checkchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
545{
546	HAL_CHANNEL_INTERNAL *cc;
547
548	HALASSERT(c->ic_devdata < AH_PRIVATE(ah)->ah_nchan);
549	cc = &AH_PRIVATE(ah)->ah_channels[c->ic_devdata];
550	HALASSERT(c->ic_freq == cc->channel || IEEE80211_IS_CHAN_GSM(c));
551	return cc;
552}
553#else
554/* NB: non-inline version that checks state */
555HAL_CHANNEL_INTERNAL *ath_hal_checkchannel(struct ath_hal *,
556		const struct ieee80211_channel *);
557#endif /* AH_DEBUG */
558
559/*
560 * Return the h/w frequency for a channel.  This may be
561 * different from ic_freq if this is a GSM device that
562 * takes 2.4GHz frequencies and down-converts them.
563 */
564static OS_INLINE uint16_t
565ath_hal_gethwchannel(struct ath_hal *ah, const struct ieee80211_channel *c)
566{
567	return ath_hal_checkchannel(ah, c)->channel;
568}
569
570/*
571 * Convert between microseconds and core system clocks.
572 */
573extern	u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
574extern	u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
575
576/*
577 * Generic get/set capability support.  Each chip overrides
578 * this routine to support chip-specific capabilities.
579 */
580extern	HAL_STATUS ath_hal_getcapability(struct ath_hal *ah,
581		HAL_CAPABILITY_TYPE type, uint32_t capability,
582		uint32_t *result);
583extern	HAL_BOOL ath_hal_setcapability(struct ath_hal *ah,
584		HAL_CAPABILITY_TYPE type, uint32_t capability,
585		uint32_t setting, HAL_STATUS *status);
586
587/*
588 * Diagnostic interface.  This is an open-ended interface that
589 * is opaque to applications.  Diagnostic programs use this to
590 * retrieve internal data structures, etc.  There is no guarantee
591 * that calling conventions for calls other than HAL_DIAG_REVS
592 * are stable between HAL releases; a diagnostic application must
593 * use the HAL revision information to deal with ABI/API differences.
594 *
595 * NB: do not renumber these, certain codes are publicly used.
596 */
597enum {
598	HAL_DIAG_REVS		= 0,	/* MAC/PHY/Radio revs */
599	HAL_DIAG_EEPROM		= 1,	/* EEPROM contents */
600	HAL_DIAG_EEPROM_EXP_11A	= 2,	/* EEPROM 5112 power exp for 11a */
601	HAL_DIAG_EEPROM_EXP_11B	= 3,	/* EEPROM 5112 power exp for 11b */
602	HAL_DIAG_EEPROM_EXP_11G	= 4,	/* EEPROM 5112 power exp for 11g */
603	HAL_DIAG_ANI_CURRENT	= 5,	/* ANI current channel state */
604	HAL_DIAG_ANI_OFDM	= 6,	/* ANI OFDM timing error stats */
605	HAL_DIAG_ANI_CCK	= 7,	/* ANI CCK timing error stats */
606	HAL_DIAG_ANI_STATS	= 8,	/* ANI statistics */
607	HAL_DIAG_RFGAIN		= 9,	/* RfGain GAIN_VALUES */
608	HAL_DIAG_RFGAIN_CURSTEP	= 10,	/* RfGain GAIN_OPTIMIZATION_STEP */
609	HAL_DIAG_PCDAC		= 11,	/* PCDAC table */
610	HAL_DIAG_TXRATES	= 12,	/* Transmit rate table */
611	HAL_DIAG_REGS		= 13,	/* Registers */
612	HAL_DIAG_ANI_CMD	= 14,	/* ANI issue command (XXX do not change!) */
613	HAL_DIAG_SETKEY		= 15,	/* Set keycache backdoor */
614	HAL_DIAG_RESETKEY	= 16,	/* Reset keycache backdoor */
615	HAL_DIAG_EEREAD		= 17,	/* Read EEPROM word */
616	HAL_DIAG_EEWRITE	= 18,	/* Write EEPROM word */
617	/* 19-26 removed, do not reuse */
618	HAL_DIAG_RDWRITE	= 27,	/* Write regulatory domain */
619	HAL_DIAG_RDREAD		= 28,	/* Get regulatory domain */
620	HAL_DIAG_FATALERR	= 29,	/* Read cached interrupt state */
621	HAL_DIAG_11NCOMPAT	= 30,	/* 11n compatibility tweaks */
622	HAL_DIAG_ANI_PARAMS	= 31,	/* ANI noise immunity parameters */
623	HAL_DIAG_CHECK_HANGS	= 32,	/* check h/w hangs */
624	HAL_DIAG_SETREGS	= 33,	/* write registers */
625};
626
627enum {
628    HAL_BB_HANG_DFS		= 0x0001,
629    HAL_BB_HANG_RIFS		= 0x0002,
630    HAL_BB_HANG_RX_CLEAR	= 0x0004,
631    HAL_BB_HANG_UNKNOWN		= 0x0080,
632
633    HAL_MAC_HANG_SIG1		= 0x0100,
634    HAL_MAC_HANG_SIG2		= 0x0200,
635    HAL_MAC_HANG_UNKNOWN	= 0x8000,
636
637    HAL_BB_HANGS = HAL_BB_HANG_DFS
638		 | HAL_BB_HANG_RIFS
639		 | HAL_BB_HANG_RX_CLEAR
640		 | HAL_BB_HANG_UNKNOWN,
641    HAL_MAC_HANGS = HAL_MAC_HANG_SIG1
642		 | HAL_MAC_HANG_SIG2
643		 | HAL_MAC_HANG_UNKNOWN,
644};
645
646/*
647 * Device revision information.
648 */
649typedef struct {
650	uint16_t	ah_devid;		/* PCI device ID */
651	uint16_t	ah_subvendorid;		/* PCI subvendor ID */
652	uint32_t	ah_macVersion;		/* MAC version id */
653	uint16_t	ah_macRev;		/* MAC revision */
654	uint16_t	ah_phyRev;		/* PHY revision */
655	uint16_t	ah_analog5GhzRev;	/* 2GHz radio revision */
656	uint16_t	ah_analog2GhzRev;	/* 5GHz radio revision */
657} HAL_REVS;
658
659/*
660 * Argument payload for HAL_DIAG_SETKEY.
661 */
662typedef struct {
663	HAL_KEYVAL	dk_keyval;
664	uint16_t	dk_keyix;	/* key index */
665	uint8_t		dk_mac[IEEE80211_ADDR_LEN];
666	int		dk_xor;		/* XOR key data */
667} HAL_DIAG_KEYVAL;
668
669/*
670 * Argument payload for HAL_DIAG_EEWRITE.
671 */
672typedef struct {
673	uint16_t	ee_off;		/* eeprom offset */
674	uint16_t	ee_data;	/* write data */
675} HAL_DIAG_EEVAL;
676
677
678typedef struct {
679	u_int offset;		/* reg offset */
680	uint32_t val;		/* reg value  */
681} HAL_DIAG_REGVAL;
682
683/*
684 * 11n compatibility tweaks.
685 */
686#define	HAL_DIAG_11N_SERVICES	0x00000003
687#define	HAL_DIAG_11N_SERVICES_S	0
688#define	HAL_DIAG_11N_TXSTOMP	0x0000000c
689#define	HAL_DIAG_11N_TXSTOMP_S	2
690
691typedef struct {
692	int		maxNoiseImmunityLevel;	/* [0..4] */
693	int		totalSizeDesired[5];
694	int		coarseHigh[5];
695	int		coarseLow[5];
696	int		firpwr[5];
697
698	int		maxSpurImmunityLevel;	/* [0..7] */
699	int		cycPwrThr1[8];
700
701	int		maxFirstepLevel;	/* [0..2] */
702	int		firstep[3];
703
704	uint32_t	ofdmTrigHigh;
705	uint32_t	ofdmTrigLow;
706	int32_t		cckTrigHigh;
707	int32_t		cckTrigLow;
708	int32_t		rssiThrLow;
709	int32_t		rssiThrHigh;
710
711	int		period;			/* update listen period */
712} HAL_ANI_PARAMS;
713
714extern	HAL_BOOL ath_hal_getdiagstate(struct ath_hal *ah, int request,
715			const void *args, uint32_t argsize,
716			void **result, uint32_t *resultsize);
717
718/*
719 * Setup a h/w rate table for use.
720 */
721extern	void ath_hal_setupratetable(struct ath_hal *ah, HAL_RATE_TABLE *rt);
722
723/*
724 * Common routine for implementing getChanNoise api.
725 */
726int16_t	ath_hal_getChanNoise(struct ath_hal *, const struct ieee80211_channel *);
727
728/*
729 * Initialization support.
730 */
731typedef struct {
732	const uint32_t	*data;
733	int		rows, cols;
734} HAL_INI_ARRAY;
735
736#define	HAL_INI_INIT(_ia, _data, _cols) do {			\
737	(_ia)->data = (const uint32_t *)(_data);		\
738	(_ia)->rows = sizeof(_data) / sizeof((_data)[0]);	\
739	(_ia)->cols = (_cols);					\
740} while (0)
741#define	HAL_INI_VAL(_ia, _r, _c) \
742	((_ia)->data[((_r)*(_ia)->cols) + (_c)])
743
744/*
745 * OS_DELAY() does a PIO READ on the PCI bus which allows
746 * other cards' DMA reads to complete in the middle of our reset.
747 */
748#define DMA_YIELD(x) do {		\
749	if ((++(x) % 64) == 0)		\
750		OS_DELAY(1);		\
751} while (0)
752
753#define HAL_INI_WRITE_ARRAY(ah, regArray, col, regWr) do {             	\
754	int r;								\
755	for (r = 0; r < N(regArray); r++) {				\
756		OS_REG_WRITE(ah, (regArray)[r][0], (regArray)[r][col]);	\
757		DMA_YIELD(regWr);					\
758	}								\
759} while (0)
760
761#define HAL_INI_WRITE_BANK(ah, regArray, bankData, regWr) do {		\
762	int r;								\
763	for (r = 0; r < N(regArray); r++) {				\
764		OS_REG_WRITE(ah, (regArray)[r][0], (bankData)[r]);	\
765		DMA_YIELD(regWr);					\
766	}								\
767} while (0)
768
769extern	int ath_hal_ini_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
770		int col, int regWr);
771extern	void ath_hal_ini_bank_setup(uint32_t data[], const HAL_INI_ARRAY *ia,
772		int col);
773extern	int ath_hal_ini_bank_write(struct ath_hal *ah, const HAL_INI_ARRAY *ia,
774		const uint32_t data[], int regWr);
775
776#define	WLAN_CTRL_FRAME_SIZE	(2+2+6+4)	/* ACK+FCS */
777#endif /* _ATH_AH_INTERAL_H_ */
778