xref: /freebsd/sys/dev/ath/ath_hal/ah.h (revision 3c4ba5f55438f7afd4f4b0b56f88f2bb505fd6a6)
1 /*-
2  * SPDX-License-Identifier: ISC
3  *
4  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
5  * Copyright (c) 2002-2008 Atheros Communications, Inc.
6  *
7  * Permission to use, copy, modify, and/or distribute this software for any
8  * purpose with or without fee is hereby granted, provided that the above
9  * copyright notice and this permission notice appear in all copies.
10  *
11  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18  *
19  * $FreeBSD$
20  */
21 
22 #ifndef _ATH_AH_H_
23 #define _ATH_AH_H_
24 /*
25  * Atheros Hardware Access Layer
26  *
27  * Clients of the HAL call ath_hal_attach to obtain a reference to an ath_hal
28  * structure for use with the device.  Hardware-related operations that
29  * follow must call back into the HAL through interface, supplying the
30  * reference as the first parameter.
31  */
32 
33 #include "ah_osdep.h"
34 
35 /*
36  * Endianness macros; used by various structures and code.
37  */
38 #define AH_BIG_ENDIAN           4321
39 #define AH_LITTLE_ENDIAN        1234
40 
41 #if _BYTE_ORDER == _BIG_ENDIAN
42 #define AH_BYTE_ORDER   AH_BIG_ENDIAN
43 #else
44 #define AH_BYTE_ORDER   AH_LITTLE_ENDIAN
45 #endif
46 
47 /*
48  * The maximum number of TX/RX chains supported.
49  * This is intended to be used by various statistics gathering operations
50  * (NF, RSSI, EVM).
51  */
52 #define	AH_MAX_CHAINS			3
53 #define	AH_MIMO_MAX_EVM_PILOTS		6
54 
55 /*
56  * __ahdecl is analogous to _cdecl; it defines the calling
57  * convention used within the HAL.  For most systems this
58  * can just default to be empty and the compiler will (should)
59  * use _cdecl.  For systems where _cdecl is not compatible this
60  * must be defined.  See linux/ah_osdep.h for an example.
61  */
62 #ifndef __ahdecl
63 #define __ahdecl
64 #endif
65 
66 /*
67  * Status codes that may be returned by the HAL.  Note that
68  * interfaces that return a status code set it only when an
69  * error occurs--i.e. you cannot check it for success.
70  */
71 typedef enum {
72 	HAL_OK		= 0,	/* No error */
73 	HAL_ENXIO	= 1,	/* No hardware present */
74 	HAL_ENOMEM	= 2,	/* Memory allocation failed */
75 	HAL_EIO		= 3,	/* Hardware didn't respond as expected */
76 	HAL_EEMAGIC	= 4,	/* EEPROM magic number invalid */
77 	HAL_EEVERSION	= 5,	/* EEPROM version invalid */
78 	HAL_EELOCKED	= 6,	/* EEPROM unreadable */
79 	HAL_EEBADSUM	= 7,	/* EEPROM checksum invalid */
80 	HAL_EEREAD	= 8,	/* EEPROM read problem */
81 	HAL_EEBADMAC	= 9,	/* EEPROM mac address invalid */
82 	HAL_EESIZE	= 10,	/* EEPROM size not supported */
83 	HAL_EEWRITE	= 11,	/* Attempt to change write-locked EEPROM */
84 	HAL_EINVAL	= 12,	/* Invalid parameter to function */
85 	HAL_ENOTSUPP	= 13,	/* Hardware revision not supported */
86 	HAL_ESELFTEST	= 14,	/* Hardware self-test failed */
87 	HAL_EINPROGRESS	= 15,	/* Operation incomplete */
88 	HAL_EEBADREG	= 16,	/* EEPROM invalid regulatory contents */
89 	HAL_EEBADCC	= 17,	/* EEPROM invalid country code */
90 	HAL_INV_PMODE	= 18,	/* Couldn't bring out of sleep state */
91 } HAL_STATUS;
92 
93 typedef enum {
94 	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
95 	AH_TRUE  = 1,
96 } HAL_BOOL;
97 
98 typedef enum {
99 	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
100 	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
101 	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
102 	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
103 	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
104 	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
105 	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
106 	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
107 	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
108 	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll support */
109 	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
110 	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
111 	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
112 	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
113 	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
114 	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
115 	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
116 	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
117 	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
118 	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
119 	/* 21 was HAL_CAP_XR */
120 	HAL_CAP_WME_TKIPMIC 	= 22,   /* hardware can support TKIP MIC when WMM is turned on */
121 	/* 23 was HAL_CAP_CHAN_HALFRATE */
122 	/* 24 was HAL_CAP_CHAN_QUARTERRATE */
123 	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
124 	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
125 	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
126 	HAL_CAP_11D		= 28,   /* 11d beacon support for changing cc */
127 	HAL_CAP_PCIE_PS		= 29,
128 	HAL_CAP_HT		= 30,   /* hardware can support HT */
129 	HAL_CAP_GTXTO		= 31,	/* hardware supports global tx timeout */
130 	HAL_CAP_FAST_CC		= 32,	/* hardware supports fast channel change */
131 	HAL_CAP_TX_CHAINMASK	= 33,	/* mask of TX chains supported */
132 	HAL_CAP_RX_CHAINMASK	= 34,	/* mask of RX chains supported */
133 	HAL_CAP_NUM_GPIO_PINS	= 36,	/* number of GPIO pins */
134 
135 	HAL_CAP_CST		= 38,	/* hardware supports carrier sense timeout */
136 	HAL_CAP_RIFS_RX		= 39,
137 	HAL_CAP_RIFS_TX		= 40,
138 	HAL_CAP_FORCE_PPM	= 41,
139 	HAL_CAP_RTS_AGGR_LIMIT	= 42,	/* aggregation limit with RTS */
140 	HAL_CAP_4ADDR_AGGR	= 43,	/* hardware is capable of 4addr aggregation */
141 	HAL_CAP_DFS_DMN		= 44,	/* current DFS domain */
142 	HAL_CAP_EXT_CHAN_DFS	= 45,	/* DFS support for extension channel */
143 	HAL_CAP_COMBINED_RADAR_RSSI	= 46,	/* Is combined RSSI for radar accurate */
144 
145 	HAL_CAP_AUTO_SLEEP	= 48,	/* hardware can go to network sleep
146 					   automatically after waking up to receive TIM */
147 	HAL_CAP_MBSSID_AGGR_SUPPORT	= 49, /* Support for mBSSID Aggregation */
148 	HAL_CAP_SPLIT_4KB_TRANS	= 50,	/* hardware supports descriptors straddling a 4k page boundary */
149 	HAL_CAP_REG_FLAG	= 51,	/* Regulatory domain flags */
150 	HAL_CAP_BB_RIFS_HANG	= 52,
151 	HAL_CAP_RIFS_RX_ENABLED	= 53,
152 	HAL_CAP_BB_DFS_HANG	= 54,
153 
154 	HAL_CAP_RX_STBC		= 58,
155 	HAL_CAP_TX_STBC		= 59,
156 
157 	HAL_CAP_BT_COEX		= 60,	/* hardware is capable of bluetooth coexistence */
158 	HAL_CAP_DYNAMIC_SMPS	= 61,	/* Dynamic MIMO Power Save hardware support */
159 
160 	HAL_CAP_DS		= 67,	/* 2 stream */
161 	HAL_CAP_BB_RX_CLEAR_STUCK_HANG	= 68,
162 	HAL_CAP_MAC_HANG	= 69,	/* can MAC hang */
163 	HAL_CAP_MFP		= 70,	/* Management Frame Protection in hardware */
164 
165 	HAL_CAP_TS		= 72,	/* 3 stream */
166 
167 	HAL_CAP_ENHANCED_DMA_SUPPORT	= 75,	/* DMA FIFO support */
168 	HAL_CAP_NUM_TXMAPS	= 76,	/* Number of buffers in a transmit descriptor */
169 	HAL_CAP_TXDESCLEN	= 77,	/* Length of transmit descriptor */
170 	HAL_CAP_TXSTATUSLEN	= 78,	/* Length of transmit status descriptor */
171 	HAL_CAP_RXSTATUSLEN	= 79,	/* Length of transmit status descriptor */
172 	HAL_CAP_RXFIFODEPTH	= 80,	/* Receive hardware FIFO depth */
173 	HAL_CAP_RXBUFSIZE	= 81,	/* Receive Buffer Length */
174 	HAL_CAP_NUM_MR_RETRIES	= 82,	/* limit on multirate retries */
175 	HAL_CAP_OL_PWRCTRL	= 84,	/* Open loop TX power control */
176 	HAL_CAP_SPECTRAL_SCAN	= 90,	/* Hardware supports spectral scan */
177 
178 	HAL_CAP_BB_PANIC_WATCHDOG	= 92,
179 
180 	HAL_CAP_HT20_SGI	= 96,	/* hardware supports HT20 short GI */
181 
182 	HAL_CAP_LDPC		= 99,
183 
184 	HAL_CAP_RXTSTAMP_PREC	= 100,	/* rx desc tstamp precision (bits) */
185 
186 	HAL_CAP_ANT_DIV_COMB	= 105,	/* Enable antenna diversity/combining */
187 	HAL_CAP_PHYRESTART_CLR_WAR	= 106,	/* in some cases, clear phy restart to fix bb hang */
188 	HAL_CAP_ENTERPRISE_MODE	= 107,	/* Enterprise mode features */
189 	HAL_CAP_LDPCWAR		= 108,
190 	HAL_CAP_CHANNEL_SWITCH_TIME_USEC	= 109,	/* Channel change time, usec */
191 	HAL_CAP_ENABLE_APM	= 110,	/* APM enabled */
192 	HAL_CAP_PCIE_LCR_EXTSYNC_EN	= 111,
193 	HAL_CAP_PCIE_LCR_OFFSET	= 112,
194 
195 	HAL_CAP_ENHANCED_DFS_SUPPORT	= 117,	/* hardware supports enhanced DFS */
196 	HAL_CAP_MCI		= 118,
197 	HAL_CAP_SMARTANTENNA	= 119,
198 	HAL_CAP_TRAFFIC_FAST_RECOVER	= 120,
199 	HAL_CAP_TX_DIVERSITY	= 121,
200 	HAL_CAP_CRDC		= 122,
201 
202 	/* The following are private to the FreeBSD HAL (224 onward) */
203 
204 	HAL_CAP_INTMIT		= 229,	/* interference mitigation */
205 	HAL_CAP_RXORN_FATAL	= 230,	/* HAL_INT_RXORN treated as fatal */
206 	HAL_CAP_BB_HANG		= 235,	/* can baseband hang */
207 	HAL_CAP_INTRMASK	= 237,	/* bitmask of supported interrupts */
208 	HAL_CAP_BSSIDMATCH	= 238,	/* hardware has disable bssid match */
209 	HAL_CAP_STREAMS		= 239,	/* how many 802.11n spatial streams are available */
210 	HAL_CAP_RXDESC_SELFLINK	= 242,	/* support a self-linked tail RX descriptor */
211 	HAL_CAP_BB_READ_WAR	= 244,	/* baseband read WAR */
212 	HAL_CAP_SERIALISE_WAR	= 245,	/* serialise register access on PCI */
213 	HAL_CAP_ENFORCE_TXOP	= 246,	/* Enforce TXOP if supported */
214 	HAL_CAP_RX_LNA_MIXING	= 247,	/* RX hardware uses LNA mixing */
215 	HAL_CAP_DO_MYBEACON	= 248,	/* Supports HAL_RX_FILTER_MYBEACON */
216 	HAL_CAP_TOA_LOCATIONING	= 249,	/* time of flight / arrival locationing */
217 	HAL_CAP_TXTSTAMP_PREC	= 250,	/* tx desc tstamp precision (bits) */
218 } HAL_CAPABILITY_TYPE;
219 
220 /*
221  * "States" for setting the LED.  These correspond to
222  * the possible 802.11 operational states and there may
223  * be a many-to-one mapping between these states and the
224  * actual hardware state for the LED's (i.e. the hardware
225  * may have fewer states).
226  */
227 typedef enum {
228 	HAL_LED_INIT	= 0,
229 	HAL_LED_SCAN	= 1,
230 	HAL_LED_AUTH	= 2,
231 	HAL_LED_ASSOC	= 3,
232 	HAL_LED_RUN	= 4
233 } HAL_LED_STATE;
234 
235 /*
236  * Transmit queue types/numbers.  These are used to tag
237  * each transmit queue in the hardware and to identify a set
238  * of transmit queues for operations such as start/stop dma.
239  */
240 typedef enum {
241 	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
242 	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
243 	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
244 	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
245 	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
246 	HAL_TX_QUEUE_PSPOLL	= 5,		/* power save poll xmit q */
247 	HAL_TX_QUEUE_CFEND	= 6,
248 	HAL_TX_QUEUE_PAPRD	= 7,
249 } HAL_TX_QUEUE;
250 
251 #define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
252 
253 /*
254  * Receive queue types.  These are used to tag
255  * each transmit queue in the hardware and to identify a set
256  * of transmit queues for operations such as start/stop dma.
257  */
258 typedef enum {
259 	HAL_RX_QUEUE_HP = 0,			/* high priority recv queue */
260 	HAL_RX_QUEUE_LP = 1,			/* low priority recv queue */
261 } HAL_RX_QUEUE;
262 
263 #define	HAL_NUM_RX_QUEUES	2		/* max possible # of queues */
264 
265 #define	HAL_TXFIFO_DEPTH	8		/* transmit fifo depth */
266 
267 /*
268  * Transmit queue subtype.  These map directly to
269  * WME Access Categories (except for UPSD).  Refer
270  * to Table 5 of the WME spec.
271  */
272 typedef enum {
273 	HAL_WME_AC_BK	= 0,			/* background access category */
274 	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
275 	HAL_WME_AC_VI	= 2,			/* video access category */
276 	HAL_WME_AC_VO	= 3,			/* voice access category */
277 	HAL_WME_UPSD	= 4,			/* uplink power save */
278 } HAL_TX_QUEUE_SUBTYPE;
279 
280 /*
281  * Transmit queue flags that control various
282  * operational parameters.
283  */
284 typedef enum {
285 	/*
286 	 * Per queue interrupt enables.  When set the associated
287 	 * interrupt may be delivered for packets sent through
288 	 * the queue.  Without these enabled no interrupts will
289 	 * be delivered for transmits through the queue.
290 	 */
291 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
292 	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
293 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
294 	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
295 	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
296 	/*
297 	 * Enable hardware compression for packets sent through
298 	 * the queue.  The compression buffer must be setup and
299 	 * packets must have a key entry marked in the tx descriptor.
300 	 */
301 	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
302 	/*
303 	 * Disable queue when veol is hit or ready time expires.
304 	 * By default the queue is disabled only on reaching the
305 	 * physical end of queue (i.e. a null link ptr in the
306 	 * descriptor chain).
307 	 */
308 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
309 	/*
310 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
311 	 * event.  Frames will be transmitted only when this timer
312 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
313 	 */
314 	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
315 	/*
316 	 * Each transmit queue has a counter that is incremented
317 	 * each time the queue is enabled and decremented when
318 	 * the list of frames to transmit is traversed (or when
319 	 * the ready time for the queue expires).  This counter
320 	 * must be non-zero for frames to be scheduled for
321 	 * transmission.  The following controls disable bumping
322 	 * this counter under certain conditions.  Typically this
323 	 * is used to gate frames based on the contents of another
324 	 * queue (e.g. CAB traffic may only follow a beacon frame).
325 	 * These are meaningful only when frames are scheduled
326 	 * with a non-ASAP policy (e.g. DBA-gated).
327 	 */
328 	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
329 	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
330 
331 	/*
332 	 * Fragment burst backoff policy.  Normally the no backoff
333 	 * is done after a successful transmission, the next fragment
334 	 * is sent at SIFS.  If this flag is set backoff is done
335 	 * after each fragment, regardless whether it was ack'd or
336 	 * not, after the backoff count reaches zero a normal channel
337 	 * access procedure is done before the next transmit (i.e.
338 	 * wait AIFS instead of SIFS).
339 	 */
340 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
341 	/*
342 	 * Disable post-tx backoff following each frame.
343 	 */
344 	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
345 	/*
346 	 * DCU arbiter lockout control.  This controls how
347 	 * lower priority tx queues are handled with respect to
348 	 * to a specific queue when multiple queues have frames
349 	 * to send.  No lockout means lower priority queues arbitrate
350 	 * concurrently with this queue.  Intra-frame lockout
351 	 * means lower priority queues are locked out until the
352 	 * current frame transmits (e.g. including backoffs and bursting).
353 	 * Global lockout means nothing lower can arbitrary so
354 	 * long as there is traffic activity on this queue (frames,
355 	 * backoff, etc).
356 	 */
357 	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
358 	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
359 
360 	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
361 	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
362 } HAL_TX_QUEUE_FLAGS;
363 
364 typedef struct {
365 	uint32_t	tqi_ver;		/* hal TXQ version */
366 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
367 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
368 	uint32_t	tqi_priority;		/* (not used) */
369 	uint32_t	tqi_aifs;		/* aifs */
370 	uint32_t	tqi_cwmin;		/* cwMin */
371 	uint32_t	tqi_cwmax;		/* cwMax */
372 	uint16_t	tqi_shretry;		/* rts retry limit */
373 	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
374 	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
375 	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
376 	uint32_t	tqi_burstTime;		/* max burst duration (us) */
377 	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
378 	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
379 } HAL_TXQ_INFO;
380 
381 #define HAL_TQI_NONVAL 0xffff
382 
383 /* token to use for aifs, cwmin, cwmax */
384 #define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
385 
386 /* compression definitions */
387 #define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
388 #define HAL_COMP_BUF_ALIGN_SIZE         512
389 
390 /*
391  * Transmit packet types.  This belongs in ah_desc.h, but
392  * is here so we can give a proper type to various parameters
393  * (and not require everyone include the file).
394  *
395  * NB: These values are intentionally assigned for
396  *     direct use when setting up h/w descriptors.
397  */
398 typedef enum {
399 	HAL_PKT_TYPE_NORMAL	= 0,
400 	HAL_PKT_TYPE_ATIM	= 1,
401 	HAL_PKT_TYPE_PSPOLL	= 2,
402 	HAL_PKT_TYPE_BEACON	= 3,
403 	HAL_PKT_TYPE_PROBE_RESP	= 4,
404 	HAL_PKT_TYPE_CHIRP	= 5,
405 	HAL_PKT_TYPE_GRP_POLL	= 6,
406 	HAL_PKT_TYPE_AMPDU	= 7,
407 } HAL_PKT_TYPE;
408 
409 /* Rx Filter Frame Types */
410 typedef enum {
411 	/*
412 	 * These bits correspond to AR_RX_FILTER for all chips.
413 	 * Not all bits are supported by all chips.
414 	 */
415 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
416 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
417 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
418 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
419 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
420 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
421 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
422 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
423 	HAL_RX_FILTER_MYBEACON  = 0x00000200,   /* Filter beacons other than mine */
424 	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
425 	HAL_RX_FILTER_COMP_BA	= 0x00000800,	/* Allow compressed blockack */
426 	HAL_RX_FILTER_PHYRADAR	= 0x00002000,	/* Allow phy radar errors */
427 	HAL_RX_FILTER_PSPOLL	= 0x00004000,	/* Allow PS-POLL frames */
428 	HAL_RX_FILTER_MCAST_BCAST_ALL	= 0x00008000,
429 						/* Allow all mcast/bcast frames */
430 
431 	/*
432 	 * Magic RX filter flags that aren't targeting hardware bits
433 	 * but instead the HAL sets individual bits - eg PHYERR will result
434 	 * in OFDM/CCK timing error frames being received.
435 	 */
436 	HAL_RX_FILTER_BSSID	= 0x40000000,	/* Disable BSSID match */
437 } HAL_RX_FILTER;
438 
439 typedef enum {
440 	HAL_PM_AWAKE		= 0,
441 	HAL_PM_FULL_SLEEP	= 1,
442 	HAL_PM_NETWORK_SLEEP	= 2,
443 	HAL_PM_UNDEFINED	= 3
444 } HAL_POWER_MODE;
445 
446 /*
447  * Enterprise mode flags
448  */
449 #define	AH_ENT_DUAL_BAND_DISABLE	0x00000001
450 #define	AH_ENT_CHAIN2_DISABLE		0x00000002
451 #define	AH_ENT_5MHZ_DISABLE		0x00000004
452 #define	AH_ENT_10MHZ_DISABLE		0x00000008
453 #define	AH_ENT_49GHZ_DISABLE		0x00000010
454 #define	AH_ENT_LOOPBACK_DISABLE		0x00000020
455 #define	AH_ENT_TPC_PERF_DISABLE		0x00000040
456 #define	AH_ENT_MIN_PKT_SIZE_DISABLE	0x00000080
457 #define	AH_ENT_SPECTRAL_PRECISION	0x00000300
458 #define	AH_ENT_SPECTRAL_PRECISION_S	8
459 #define	AH_ENT_RTSCTS_DELIM_WAR		0x00010000
460 
461 #define AH_FIRST_DESC_NDELIMS 60
462 
463 /*
464  * NOTE WELL:
465  * These are mapped to take advantage of the common locations for many of
466  * the bits on all of the currently supported MAC chips. This is to make
467  * the ISR as efficient as possible, while still abstracting HW differences.
468  * When new hardware breaks this commonality this enumerated type, as well
469  * as the HAL functions using it, must be modified. All values are directly
470  * mapped unless commented otherwise.
471  */
472 typedef enum {
473 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
474 	HAL_INT_RXDESC	= 0x00000002,	/* Legacy mapping */
475 	HAL_INT_RXERR	= 0x00000004,
476 	HAL_INT_RXHP	= 0x00000001,	/* EDMA */
477 	HAL_INT_RXLP	= 0x00000002,	/* EDMA */
478 	HAL_INT_RXNOFRM	= 0x00000008,
479 	HAL_INT_RXEOL	= 0x00000010,
480 	HAL_INT_RXORN	= 0x00000020,
481 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
482 	HAL_INT_TXDESC	= 0x00000080,
483 	HAL_INT_TIM_TIMER= 0x00000100,
484 	HAL_INT_MCI	= 0x00000200,
485 	HAL_INT_BBPANIC	= 0x00000400,
486 	HAL_INT_TXURN	= 0x00000800,
487 	HAL_INT_MIB	= 0x00001000,
488 	HAL_INT_RXPHY	= 0x00004000,
489 	HAL_INT_RXKCM	= 0x00008000,
490 	HAL_INT_SWBA	= 0x00010000,
491 	HAL_INT_BRSSI	= 0x00020000,
492 	HAL_INT_BMISS	= 0x00040000,
493 	HAL_INT_BNR	= 0x00100000,
494 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
495 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
496 	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
497 	HAL_INT_GPIO	= 0x01000000,
498 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
499 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
500 	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
501 	/* Atheros ref driver has a generic timer interrupt now..*/
502 	HAL_INT_GENTIMER	= 0x08000000,	/* Non-common mapping */
503 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
504 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
505 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
506 #define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
507 	HAL_INT_BMISC	= HAL_INT_TIM
508 			| HAL_INT_DTIM
509 			| HAL_INT_DTIMSYNC
510 			| HAL_INT_CABEND
511 			| HAL_INT_TBTT,
512 
513 	/* Interrupt bits that map directly to ISR/IMR bits */
514 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
515 			| HAL_INT_RXDESC
516 			| HAL_INT_RXEOL
517 			| HAL_INT_RXORN
518 			| HAL_INT_TXDESC
519 			| HAL_INT_TXURN
520 			| HAL_INT_MIB
521 			| HAL_INT_RXPHY
522 			| HAL_INT_RXKCM
523 			| HAL_INT_SWBA
524 			| HAL_INT_BMISS
525 			| HAL_INT_BRSSI
526 			| HAL_INT_BNR
527 			| HAL_INT_GPIO,
528 } HAL_INT;
529 
530 /*
531  * MSI vector assignments
532  */
533 typedef enum {
534 	HAL_MSIVEC_MISC = 0,
535 	HAL_MSIVEC_TX   = 1,
536 	HAL_MSIVEC_RXLP = 2,
537 	HAL_MSIVEC_RXHP = 3,
538 } HAL_MSIVEC;
539 
540 typedef enum {
541 	HAL_INT_LINE = 0,
542 	HAL_INT_MSI  = 1,
543 } HAL_INT_TYPE;
544 
545 /* For interrupt mitigation registers */
546 typedef enum {
547 	HAL_INT_RX_FIRSTPKT=0,
548 	HAL_INT_RX_LASTPKT,
549 	HAL_INT_TX_FIRSTPKT,
550 	HAL_INT_TX_LASTPKT,
551 	HAL_INT_THRESHOLD
552 } HAL_INT_MITIGATION;
553 
554 /* XXX this is duplicate information! */
555 typedef struct {
556 	u_int32_t	cyclecnt_diff;		/* delta cycle count */
557 	u_int32_t	rxclr_cnt;		/* rx clear count */
558 	u_int32_t	extrxclr_cnt;		/* ext chan rx clear count */
559 	u_int32_t	txframecnt_diff;	/* delta tx frame count */
560 	u_int32_t	rxframecnt_diff;	/* delta rx frame count */
561 	u_int32_t	listen_time;		/* listen time in msec - time for which ch is free */
562 	u_int32_t	ofdmphyerr_cnt;		/* OFDM err count since last reset */
563 	u_int32_t	cckphyerr_cnt;		/* CCK err count since last reset */
564 	u_int32_t	ofdmphyerrcnt_diff;	/* delta OFDM Phy Error Count */
565 	HAL_BOOL	valid;			/* if the stats are valid*/
566 } HAL_ANISTATS;
567 
568 typedef struct {
569 	u_int8_t	txctl_offset;
570 	u_int8_t	txctl_numwords;
571 	u_int8_t	txstatus_offset;
572 	u_int8_t	txstatus_numwords;
573 
574 	u_int8_t	rxctl_offset;
575 	u_int8_t	rxctl_numwords;
576 	u_int8_t	rxstatus_offset;
577 	u_int8_t	rxstatus_numwords;
578 
579 	u_int8_t	macRevision;
580 } HAL_DESC_INFO;
581 
582 typedef enum {
583 	HAL_GPIO_OUTPUT_MUX_AS_OUTPUT		= 0,
584 	HAL_GPIO_OUTPUT_MUX_PCIE_ATTENTION_LED	= 1,
585 	HAL_GPIO_OUTPUT_MUX_PCIE_POWER_LED	= 2,
586 	HAL_GPIO_OUTPUT_MUX_MAC_NETWORK_LED	= 3,
587 	HAL_GPIO_OUTPUT_MUX_MAC_POWER_LED	= 4,
588 	HAL_GPIO_OUTPUT_MUX_AS_WLAN_ACTIVE	= 5,
589 	HAL_GPIO_OUTPUT_MUX_AS_TX_FRAME		= 6,
590 
591 	HAL_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA,
592 	HAL_GPIO_OUTPUT_MUX_AS_MCI_WLAN_CLK,
593 	HAL_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA,
594 	HAL_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK,
595 	HAL_GPIO_OUTPUT_MUX_AS_WL_IN_TX,
596 	HAL_GPIO_OUTPUT_MUX_AS_WL_IN_RX,
597 	HAL_GPIO_OUTPUT_MUX_AS_BT_IN_TX,
598 	HAL_GPIO_OUTPUT_MUX_AS_BT_IN_RX,
599 	HAL_GPIO_OUTPUT_MUX_AS_RUCKUS_STROBE,
600 	HAL_GPIO_OUTPUT_MUX_AS_RUCKUS_DATA,
601 	HAL_GPIO_OUTPUT_MUX_AS_SMARTANT_CTRL0,
602 	HAL_GPIO_OUTPUT_MUX_AS_SMARTANT_CTRL1,
603 	HAL_GPIO_OUTPUT_MUX_AS_SMARTANT_CTRL2,
604 	HAL_GPIO_OUTPUT_MUX_NUM_ENTRIES
605 } HAL_GPIO_MUX_TYPE;
606 
607 typedef enum {
608 	HAL_GPIO_INTR_LOW		= 0,
609 	HAL_GPIO_INTR_HIGH		= 1,
610 	HAL_GPIO_INTR_DISABLE		= 2
611 } HAL_GPIO_INTR_TYPE;
612 
613 typedef struct halCounters {
614     u_int32_t   tx_frame_count;
615     u_int32_t   rx_frame_count;
616     u_int32_t   rx_clear_count;
617     u_int32_t   cycle_count;
618     u_int8_t    is_rx_active;     // true (1) or false (0)
619     u_int8_t    is_tx_active;     // true (1) or false (0)
620 } HAL_COUNTERS;
621 
622 typedef enum {
623 	HAL_RFGAIN_INACTIVE		= 0,
624 	HAL_RFGAIN_READ_REQUESTED	= 1,
625 	HAL_RFGAIN_NEED_CHANGE		= 2
626 } HAL_RFGAIN;
627 
628 typedef uint16_t HAL_CTRY_CODE;		/* country code */
629 typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
630 
631 #define HAL_ANTENNA_MIN_MODE  0
632 #define HAL_ANTENNA_FIXED_A   1
633 #define HAL_ANTENNA_FIXED_B   2
634 #define HAL_ANTENNA_MAX_MODE  3
635 
636 typedef struct {
637 	uint32_t	ackrcv_bad;
638 	uint32_t	rts_bad;
639 	uint32_t	rts_good;
640 	uint32_t	fcs_bad;
641 	uint32_t	beacons;
642 } HAL_MIB_STATS;
643 
644 /*
645  * These bits represent what's in ah_currentRDext.
646  */
647 typedef enum {
648 	REG_EXT_FCC_MIDBAND		= 0,
649 	REG_EXT_JAPAN_MIDBAND		= 1,
650 	REG_EXT_FCC_DFS_HT40		= 2,
651 	REG_EXT_JAPAN_NONDFS_HT40	= 3,
652 	REG_EXT_JAPAN_DFS_HT40		= 4,
653 	REG_EXT_FCC_CH_144		= 5,
654 } REG_EXT_BITMAP;
655 
656 enum {
657 	HAL_MODE_11A	= 0x001,		/* 11a channels */
658 	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
659 	HAL_MODE_11B	= 0x004,		/* 11b channels */
660 	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
661 #ifdef notdef
662 	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
663 #else
664 	HAL_MODE_11G	= 0x008,		/* XXX historical */
665 #endif
666 	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
667 	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
668 	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
669 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
670 	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
671 	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
672 	HAL_MODE_11NG_HT20	= 0x008000,
673 	HAL_MODE_11NA_HT20  	= 0x010000,
674 	HAL_MODE_11NG_HT40PLUS	= 0x020000,
675 	HAL_MODE_11NG_HT40MINUS	= 0x040000,
676 	HAL_MODE_11NA_HT40PLUS	= 0x080000,
677 	HAL_MODE_11NA_HT40MINUS	= 0x100000,
678 	HAL_MODE_ALL	= 0xffffff
679 };
680 
681 typedef struct {
682 	int		rateCount;		/* NB: for proper padding */
683 	uint8_t		rateCodeToIndex[256];	/* back mapping */
684 	struct {
685 		uint8_t		valid;		/* valid for rate control use */
686 		uint8_t		phy;		/* CCK/OFDM/XR */
687 		uint32_t	rateKbps;	/* transfer rate in kbs */
688 		uint8_t		rateCode;	/* rate for h/w descriptors */
689 		uint8_t		shortPreamble;	/* mask for enabling short
690 						 * preamble in CCK rate code */
691 		uint8_t		dot11Rate;	/* value for supported rates
692 						 * info element of MLME */
693 		uint8_t		controlRate;	/* index of next lower basic
694 						 * rate; used for dur. calcs */
695 		uint16_t	lpAckDuration;	/* long preamble ACK duration */
696 		uint16_t	spAckDuration;	/* short preamble ACK duration*/
697 	} info[64];
698 } HAL_RATE_TABLE;
699 
700 typedef struct {
701 	u_int		rs_count;		/* number of valid entries */
702 	uint8_t	rs_rates[64];		/* rates */
703 } HAL_RATE_SET;
704 
705 /*
706  * 802.11n specific structures and enums
707  */
708 typedef enum {
709 	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
710 	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
711 } HAL_CHAIN_TYPE;
712 
713 typedef struct {
714 	u_int	Tries;
715 	u_int	Rate;		/* hardware rate code */
716 	u_int	RateIndex;	/* rate series table index */
717 	u_int	PktDuration;
718 	u_int	ChSel;
719 	u_int	RateFlags;
720 #define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
721 #define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
722 #define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
723 #define	HAL_RATESERIES_STBC		0x0008	/* use STBC for series */
724 	u_int	tx_power_cap;		/* in 1/2 dBm units XXX TODO */
725 } HAL_11N_RATE_SERIES;
726 
727 typedef enum {
728 	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
729 	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
730 } HAL_HT_MACMODE;
731 
732 typedef enum {
733 	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
734 	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
735 } HAL_HT_PHYMODE;
736 
737 typedef enum {
738 	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
739 	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
740 } HAL_HT_EXTPROTSPACING;
741 
742 typedef enum {
743 	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
744 	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
745 } HAL_HT_RXCLEAR;
746 
747 typedef enum {
748 	HAL_FREQ_BAND_5GHZ	= 0,
749 	HAL_FREQ_BAND_2GHZ	= 1,
750 } HAL_FREQ_BAND;
751 
752 /*
753  * Antenna switch control.  By default antenna selection
754  * enables multiple (2) antenna use.  To force use of the
755  * A or B antenna only specify a fixed setting.  Fixing
756  * the antenna will also disable any diversity support.
757  */
758 typedef enum {
759 	HAL_ANT_VARIABLE = 0,			/* variable by programming */
760 	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
761 	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
762 } HAL_ANT_SETTING;
763 
764 typedef enum {
765 	HAL_M_STA	= 1,			/* infrastructure station */
766 	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
767 	HAL_M_HOSTAP	= 6,			/* Software Access Point */
768 	HAL_M_MONITOR	= 8			/* Monitor mode */
769 } HAL_OPMODE;
770 
771 typedef enum {
772 	HAL_RESET_NORMAL	= 0,		/* Do normal reset */
773 	HAL_RESET_BBPANIC	= 1,		/* Reset because of BB panic */
774 	HAL_RESET_FORCE_COLD	= 2,		/* Force full reset */
775 } HAL_RESET_TYPE;
776 
777 enum {
778 	HAL_RESET_POWER_ON,
779 	HAL_RESET_WARM,
780 	HAL_RESET_COLD
781 };
782 
783 typedef struct {
784 	uint8_t		kv_type;		/* one of HAL_CIPHER */
785 	uint8_t		kv_apsd;		/* Mask for APSD enabled ACs */
786 	uint16_t	kv_len;			/* length in bits */
787 	uint8_t		kv_val[16];		/* enough for 128-bit keys */
788 	uint8_t		kv_mic[8];		/* TKIP MIC key */
789 	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
790 } HAL_KEYVAL;
791 
792 /*
793  * This is the TX descriptor field which marks the key padding requirement.
794  * The naming is unfortunately unclear.
795  */
796 #define AH_KEYTYPE_MASK     0x0F
797 typedef enum {
798     HAL_KEY_TYPE_CLEAR,
799     HAL_KEY_TYPE_WEP,
800     HAL_KEY_TYPE_AES,
801     HAL_KEY_TYPE_TKIP,
802 } HAL_KEY_TYPE;
803 
804 typedef enum {
805 	HAL_CIPHER_WEP		= 0,
806 	HAL_CIPHER_AES_OCB	= 1,
807 	HAL_CIPHER_AES_CCM	= 2,
808 	HAL_CIPHER_CKIP		= 3,
809 	HAL_CIPHER_TKIP		= 4,
810 	HAL_CIPHER_CLR		= 5,		/* no encryption */
811 
812 	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
813 } HAL_CIPHER;
814 
815 enum {
816 	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
817 	HAL_SLOT_TIME_9	 = 9,
818 	HAL_SLOT_TIME_20 = 20,
819 };
820 
821 /*
822  * Per-station beacon timer state.  Note that the specified
823  * beacon interval (given in TU's) can also include flags
824  * to force a TSF reset and to enable the beacon xmit logic.
825  * If bs_cfpmaxduration is non-zero the hardware is setup to
826  * coexist with a PCF-capable AP.
827  */
828 typedef struct {
829 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
830 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
831 	uint32_t	bs_intval;		/* beacon interval+flags */
832 /*
833  * HAL_BEACON_PERIOD, HAL_BEACON_ENA and HAL_BEACON_RESET_TSF
834  * are all 1:1 correspondances with the pre-11n chip AR_BEACON
835  * register.
836  */
837 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
838 #define	HAL_BEACON_PERIOD_TU8	0x0007ffff	/* beacon interval, tu/8 */
839 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
840 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
841 #define	HAL_TSFOOR_THRESHOLD	0x00004240	/* TSF OOR thresh (16k uS) */
842 	uint32_t	bs_dtimperiod;
843 	uint16_t	bs_cfpperiod;		/* CFP period in TU */
844 	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
845 	uint32_t	bs_cfpnext;		/* next CFP in TU */
846 	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
847 	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
848 	uint32_t	bs_sleepduration;	/* max sleep duration */
849 	uint32_t	bs_tsfoor_threshold;	/* TSF out of range threshold */
850 } HAL_BEACON_STATE;
851 
852 /*
853  * Like HAL_BEACON_STATE but for non-station mode setup.
854  * NB: see above flag definitions for bt_intval.
855  */
856 typedef struct {
857 	uint32_t	bt_intval;		/* beacon interval+flags */
858 	uint32_t	bt_nexttbtt;		/* next beacon in TU */
859 	uint32_t	bt_nextatim;		/* next ATIM in TU */
860 	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
861 	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
862 	uint32_t	bt_flags;		/* timer enables */
863 #define HAL_BEACON_TBTT_EN	0x00000001
864 #define HAL_BEACON_DBA_EN	0x00000002
865 #define HAL_BEACON_SWBA_EN	0x00000004
866 } HAL_BEACON_TIMERS;
867 
868 /*
869  * Per-node statistics maintained by the driver for use in
870  * optimizing signal quality and other operational aspects.
871  */
872 typedef struct {
873 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
874 	uint32_t	ns_avgrssi;	/* average data rssi */
875 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
876 } HAL_NODE_STATS;
877 
878 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
879 
880 /*
881  * This is the ANI state and MIB stats.
882  *
883  * It's used by the HAL modules to keep state /and/ by the debug ioctl
884  * to fetch ANI information.
885  */
886 typedef struct {
887 	uint32_t	ast_ani_niup;   /* ANI increased noise immunity */
888 	uint32_t	ast_ani_nidown; /* ANI decreased noise immunity */
889 	uint32_t	ast_ani_spurup; /* ANI increased spur immunity */
890 	uint32_t	ast_ani_spurdown;/* ANI descreased spur immunity */
891 	uint32_t	ast_ani_ofdmon; /* ANI OFDM weak signal detect on */
892 	uint32_t	ast_ani_ofdmoff;/* ANI OFDM weak signal detect off */
893 	uint32_t	ast_ani_cckhigh;/* ANI CCK weak signal threshold high */
894 	uint32_t	ast_ani_ccklow; /* ANI CCK weak signal threshold low */
895 	uint32_t	ast_ani_stepup; /* ANI increased first step level */
896 	uint32_t	ast_ani_stepdown;/* ANI decreased first step level */
897 	uint32_t	ast_ani_ofdmerrs;/* ANI cumulative ofdm phy err count */
898 	uint32_t	ast_ani_cckerrs;/* ANI cumulative cck phy err count */
899 	uint32_t	ast_ani_reset;  /* ANI parameters zero'd for non-STA */
900 	uint32_t	ast_ani_lzero;  /* ANI listen time forced to zero */
901 	uint32_t	ast_ani_lneg;   /* ANI listen time calculated < 0 */
902 	HAL_MIB_STATS	ast_mibstats;   /* MIB counter stats */
903 	HAL_NODE_STATS	ast_nodestats;  /* Latest rssi stats from driver */
904 } HAL_ANI_STATS;
905 
906 typedef struct {
907 	uint8_t		noiseImmunityLevel; /* Global for pre-AR9380; OFDM later*/
908 	uint8_t		cckNoiseImmunityLevel; /* AR9380: CCK specific NI */
909 	uint8_t		spurImmunityLevel;
910 	uint8_t		firstepLevel;
911 	uint8_t		ofdmWeakSigDetectOff;
912 	uint8_t		cckWeakSigThreshold;
913 	uint8_t		mrcCck;		/* MRC CCK is enabled */
914 	uint32_t	listenTime;
915 
916 	/* NB: intentionally ordered so data exported to user space is first */
917 	uint32_t	txFrameCount;   /* Last txFrameCount */
918 	uint32_t	rxFrameCount;   /* Last rx Frame count */
919 	uint32_t	cycleCount;     /* Last cycleCount
920 					   (to detect wrap-around) */
921 	uint32_t	ofdmPhyErrCount;/* OFDM err count since last reset */
922 	uint32_t	cckPhyErrCount; /* CCK err count since last reset */
923 } HAL_ANI_STATE;
924 
925 struct ath_desc;
926 struct ath_tx_status;
927 struct ath_rx_status;
928 struct ieee80211_channel;
929 
930 /*
931  * This is a channel survey sample entry.
932  *
933  * The AR5212 ANI routines fill these samples. The ANI code then uses it
934  * when calculating listen time; it is also exported via a diagnostic
935  * API.
936  */
937 typedef struct {
938 	uint32_t        seq_num;
939 	uint32_t        tx_busy;
940 	uint32_t        rx_busy;
941 	uint32_t        chan_busy;
942 	uint32_t        ext_chan_busy;
943 	uint32_t        cycle_count;
944 	/* XXX TODO */
945 	uint32_t        ofdm_phyerr_count;
946 	uint32_t        cck_phyerr_count;
947 } HAL_SURVEY_SAMPLE;
948 
949 /*
950  * This provides 3.2 seconds of sample space given an
951  * ANI time of 1/10th of a second. This may not be enough!
952  */
953 #define	CHANNEL_SURVEY_SAMPLE_COUNT	32
954 
955 typedef struct {
956 	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
957 	uint32_t cur_sample;	/* current sample in sequence */
958 	uint32_t cur_seq;	/* current sequence number */
959 } HAL_CHANNEL_SURVEY;
960 
961 /*
962  * ANI commands.
963  *
964  * These are used both internally and externally via the diagnostic
965  * API.
966  *
967  * Note that this is NOT the ANI commands being used via the INTMIT
968  * capability - that has a different mapping for some reason.
969  */
970 typedef enum {
971 	HAL_ANI_PRESENT = 0,			/* is ANI support present */
972 	HAL_ANI_NOISE_IMMUNITY_LEVEL = 1,	/* set level (global or ofdm) */
973 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 2,	/* enable/disable */
974 	HAL_ANI_CCK_WEAK_SIGNAL_THR = 3,	/* enable/disable */
975 	HAL_ANI_FIRSTEP_LEVEL = 4,		/* set level */
976 	HAL_ANI_SPUR_IMMUNITY_LEVEL = 5,	/* set level */
977 	HAL_ANI_MODE = 6,			/* 0 => manual, 1 => auto (XXX do not change) */
978 	HAL_ANI_PHYERR_RESET = 7,		/* reset phy error stats */
979 	HAL_ANI_MRC_CCK = 8,
980 	HAL_ANI_CCK_NOISE_IMMUNITY_LEVEL = 9,	/* set level (cck) */
981 } HAL_ANI_CMD;
982 
983 #define	HAL_ANI_ALL		0xffffffff
984 
985 /*
986  * This is the layout of the ANI INTMIT capability.
987  *
988  * Notice that the command values differ to HAL_ANI_CMD.
989  */
990 typedef enum {
991 	HAL_CAP_INTMIT_PRESENT = 0,
992 	HAL_CAP_INTMIT_ENABLE = 1,
993 	HAL_CAP_INTMIT_NOISE_IMMUNITY_LEVEL = 2,
994 	HAL_CAP_INTMIT_OFDM_WEAK_SIGNAL_LEVEL = 3,
995 	HAL_CAP_INTMIT_CCK_WEAK_SIGNAL_THR = 4,
996 	HAL_CAP_INTMIT_FIRSTEP_LEVEL = 5,
997 	HAL_CAP_INTMIT_SPUR_IMMUNITY_LEVEL = 6
998 } HAL_CAP_INTMIT_CMD;
999 
1000 typedef struct {
1001 	int32_t		pe_firpwr;	/* FIR pwr out threshold */
1002 	int32_t		pe_rrssi;	/* Radar rssi thresh */
1003 	int32_t		pe_height;	/* Pulse height thresh */
1004 	int32_t		pe_prssi;	/* Pulse rssi thresh */
1005 	int32_t		pe_inband;	/* Inband thresh */
1006 
1007 	/* The following params are only for AR5413 and later */
1008 	u_int32_t	pe_relpwr;	/* Relative power threshold in 0.5dB steps */
1009 	u_int32_t	pe_relstep;	/* Pulse Relative step threshold in 0.5dB steps */
1010 	u_int32_t	pe_maxlen;	/* Max length of radar sign in 0.8us units */
1011 	int32_t		pe_usefir128;	/* Use the average in-band power measured over 128 cycles */
1012 	int32_t		pe_blockradar;	/*
1013 					 * Enable to block radar check if pkt detect is done via OFDM
1014 					 * weak signal detect or pkt is detected immediately after tx
1015 					 * to rx transition
1016 					 */
1017 	int32_t		pe_enmaxrssi;	/*
1018 					 * Enable to use the max rssi instead of the last rssi during
1019 					 * fine gain changes for radar detection
1020 					 */
1021 	int32_t		pe_extchannel;	/* Enable DFS on ext channel */
1022 	int32_t		pe_enabled;	/* Whether radar detection is enabled */
1023 	int32_t		pe_enrelpwr;
1024 	int32_t		pe_en_relstep_check;
1025 } HAL_PHYERR_PARAM;
1026 
1027 #define	HAL_PHYERR_PARAM_NOVAL	65535
1028 
1029 typedef struct {
1030 	u_int16_t	ss_fft_period;	/* Skip interval for FFT reports */
1031 	u_int16_t	ss_period;	/* Spectral scan period */
1032 	u_int16_t	ss_count;	/* # of reports to return from ss_active */
1033 	u_int16_t	ss_short_report;/* Set to report only 1 set of FFT results */
1034 	u_int8_t	radar_bin_thresh_sel;	/* strong signal radar FFT threshold configuration */
1035 	u_int16_t	ss_spectral_pri;		/* are we doing a noise power cal ? */
1036 	int8_t		ss_nf_cal[AH_MAX_CHAINS*2];     /* nf calibrated values for ctl+ext from eeprom */
1037 	int8_t		ss_nf_pwr[AH_MAX_CHAINS*2];     /* nf pwr values for ctl+ext from eeprom */
1038 	int32_t		ss_nf_temp_data;	/* temperature data taken during nf scan */
1039 	int		ss_enabled;
1040 	int		ss_active;
1041 } HAL_SPECTRAL_PARAM;
1042 #define	HAL_SPECTRAL_PARAM_NOVAL	0xFFFF
1043 #define	HAL_SPECTRAL_PARAM_ENABLE	0x8000	/* Enable/Disable if applicable */
1044 
1045 /*
1046  * DFS operating mode flags.
1047  */
1048 typedef enum {
1049 	HAL_DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
1050 	HAL_DFS_FCC_DOMAIN	= 1,	/* FCC3 dfs domain */
1051 	HAL_DFS_ETSI_DOMAIN	= 2,	/* ETSI dfs domain */
1052 	HAL_DFS_MKK4_DOMAIN	= 3,	/* Japan dfs domain */
1053 } HAL_DFS_DOMAIN;
1054 
1055 /*
1056  * MFP decryption options for initializing the MAC.
1057  */
1058 typedef enum {
1059 	HAL_MFP_QOSDATA = 0,	/* Decrypt MFP frames like QoS data frames. All chips before Merlin. */
1060 	HAL_MFP_PASSTHRU,	/* Don't decrypt MFP frames at all. Passthrough */
1061 	HAL_MFP_HW_CRYPTO	/* hardware decryption enabled. Merlin can do it. */
1062 } HAL_MFP_OPT_T;
1063 
1064 /* LNA config supported */
1065 typedef enum {
1066 	HAL_ANT_DIV_COMB_LNA1_MINUS_LNA2	= 0,
1067 	HAL_ANT_DIV_COMB_LNA2			= 1,
1068 	HAL_ANT_DIV_COMB_LNA1			= 2,
1069 	HAL_ANT_DIV_COMB_LNA1_PLUS_LNA2		= 3,
1070 } HAL_ANT_DIV_COMB_LNA_CONF;
1071 
1072 typedef struct {
1073 	u_int8_t	main_lna_conf;
1074 	u_int8_t	alt_lna_conf;
1075 	u_int8_t	fast_div_bias;
1076 	u_int8_t	main_gaintb;
1077 	u_int8_t	alt_gaintb;
1078 	u_int8_t	antdiv_configgroup;
1079 	int8_t		lna1_lna2_delta;
1080 } HAL_ANT_COMB_CONFIG;
1081 
1082 #define	DEFAULT_ANTDIV_CONFIG_GROUP	0x00
1083 #define	HAL_ANTDIV_CONFIG_GROUP_1	0x01
1084 #define	HAL_ANTDIV_CONFIG_GROUP_2	0x02
1085 #define	HAL_ANTDIV_CONFIG_GROUP_3	0x03
1086 
1087 /*
1088  * Flag for setting QUIET period
1089  */
1090 typedef enum {
1091 	HAL_QUIET_DISABLE		= 0x0,
1092 	HAL_QUIET_ENABLE		= 0x1,
1093 	HAL_QUIET_ADD_CURRENT_TSF	= 0x2,	/* add current TSF to next_start offset */
1094 	HAL_QUIET_ADD_SWBA_RESP_TIME	= 0x4,	/* add beacon response time to next_start offset */
1095 } HAL_QUIET_FLAG;
1096 
1097 #define	HAL_DFS_EVENT_PRICH		0x0000001
1098 #define	HAL_DFS_EVENT_EXTCH		0x0000002
1099 #define	HAL_DFS_EVENT_EXTEARLY		0x0000004
1100 #define	HAL_DFS_EVENT_ISDC		0x0000008
1101 
1102 struct hal_dfs_event {
1103 	uint64_t	re_full_ts;	/* 64-bit full timestamp from interrupt time */
1104 	uint32_t	re_ts;		/* Original 15 bit recv timestamp */
1105 	uint8_t		re_rssi;	/* rssi of radar event */
1106 	uint8_t		re_dur;		/* duration of radar pulse */
1107 	uint32_t	re_flags;	/* Flags (see above) */
1108 };
1109 typedef struct hal_dfs_event HAL_DFS_EVENT;
1110 
1111 /*
1112  * Generic Timer domain
1113  */
1114 typedef enum {
1115 	HAL_GEN_TIMER_TSF = 0,
1116 	HAL_GEN_TIMER_TSF2,
1117 	HAL_GEN_TIMER_TSF_ANY
1118 } HAL_GEN_TIMER_DOMAIN;
1119 
1120 /*
1121  * BT Co-existence definitions
1122  */
1123 #include "ath_hal/ah_btcoex.h"
1124 
1125 struct hal_bb_panic_info {
1126 	u_int32_t	status;
1127 	u_int32_t	tsf;
1128 	u_int32_t	phy_panic_wd_ctl1;
1129 	u_int32_t	phy_panic_wd_ctl2;
1130 	u_int32_t	phy_gen_ctrl;
1131 	u_int32_t	rxc_pcnt;
1132 	u_int32_t	rxf_pcnt;
1133 	u_int32_t	txf_pcnt;
1134 	u_int32_t	cycles;
1135 	u_int32_t	wd;
1136 	u_int32_t	det;
1137 	u_int32_t	rdar;
1138 	u_int32_t	r_odfm;
1139 	u_int32_t	r_cck;
1140 	u_int32_t	t_odfm;
1141 	u_int32_t	t_cck;
1142 	u_int32_t	agc;
1143 	u_int32_t	src;
1144 };
1145 
1146 /* Serialize Register Access Mode */
1147 typedef enum {
1148 	SER_REG_MODE_OFF	= 0,
1149 	SER_REG_MODE_ON		= 1,
1150 	SER_REG_MODE_AUTO	= 2,
1151 } SER_REG_MODE;
1152 
1153 typedef struct
1154 {
1155 	int ah_debug;			/* only used if AH_DEBUG is defined */
1156 	int ah_ar5416_biasadj;		/* enable AR2133 radio specific bias fiddling */
1157 
1158 	/* NB: these are deprecated; they exist for now for compatibility */
1159 	int ah_dma_beacon_response_time;/* in TU's */
1160 	int ah_sw_beacon_response_time;	/* in TU's */
1161 	int ah_additional_swba_backoff;	/* in TU's */
1162 	int ah_force_full_reset;	/* force full chip reset rather then warm reset */
1163 	int ah_serialise_reg_war;	/* force serialisation of register IO */
1164 
1165 	/* XXX these don't belong here, they're just for the ar9300  HAL port effort */
1166 	int ath_hal_desc_tpc;		/* Per-packet TPC */
1167 	int ath_hal_sta_update_tx_pwr_enable;	/* GreenTX */
1168 	int ath_hal_sta_update_tx_pwr_enable_S1;	/* GreenTX */
1169 	int ath_hal_sta_update_tx_pwr_enable_S2;	/* GreenTX */
1170 	int ath_hal_sta_update_tx_pwr_enable_S3;	/* GreenTX */
1171 
1172 	/* I'm not sure what the default values for these should be */
1173 	int ath_hal_pll_pwr_save;
1174 	int ath_hal_pcie_power_save_enable;
1175 	int ath_hal_intr_mitigation_rx;
1176 	int ath_hal_intr_mitigation_tx;
1177 
1178 	int ath_hal_pcie_clock_req;
1179 #define	AR_PCIE_PLL_PWRSAVE_CONTROL	(1<<0)
1180 #define	AR_PCIE_PLL_PWRSAVE_ON_D3	(1<<1)
1181 #define	AR_PCIE_PLL_PWRSAVE_ON_D0	(1<<2)
1182 
1183 	int ath_hal_pcie_waen;
1184 	int ath_hal_pcie_ser_des_write;
1185 
1186 	/* these are important for correct AR9300 behaviour */
1187 	int ath_hal_ht_enable;		/* needs to be enabled for AR9300 HT */
1188 	int ath_hal_diversity_control;
1189 	int ath_hal_antenna_switch_swap;
1190 	int ath_hal_ext_lna_ctl_gpio;
1191 	int ath_hal_spur_mode;
1192 	int ath_hal_6mb_ack;		/* should set this to 1 for 11a/11na? */
1193 	int ath_hal_enable_msi;		/* enable MSI interrupts (needed?) */
1194 	int ath_hal_beacon_filter_interval;	/* ok to be 0 for now? */
1195 
1196 	/* For now, set this to 0 - net80211 needs to know about hardware MFP support */
1197 	int ath_hal_mfp_support;
1198 
1199 	int ath_hal_enable_ani;	/* should set this.. */
1200 	int ath_hal_cwm_ignore_ext_cca;
1201 	int ath_hal_show_bb_panic;
1202 	int ath_hal_ant_ctrl_comm2g_switch_enable;
1203 	int ath_hal_ext_atten_margin_cfg;
1204 	int ath_hal_min_gainidx;
1205 	int ath_hal_war70c;
1206 	uint32_t ath_hal_mci_config;
1207 } HAL_OPS_CONFIG;
1208 
1209 /*
1210  * Hardware Access Layer (HAL) API.
1211  *
1212  * Clients of the HAL call ath_hal_attach to obtain a reference to an
1213  * ath_hal structure for use with the device.  Hardware-related operations
1214  * that follow must call back into the HAL through interface, supplying
1215  * the reference as the first parameter.  Note that before using the
1216  * reference returned by ath_hal_attach the caller should verify the
1217  * ABI version number.
1218  */
1219 struct ath_hal {
1220 	uint32_t	ah_magic;	/* consistency check magic number */
1221 	uint16_t	ah_devid;	/* PCI device ID */
1222 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
1223 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
1224 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
1225 	HAL_BUS_HANDLE	ah_sh;
1226 	HAL_CTRY_CODE	ah_countryCode;
1227 
1228 	uint32_t	ah_macVersion;	/* MAC version id */
1229 	uint16_t	ah_macRev;	/* MAC revision */
1230 	uint16_t	ah_phyRev;	/* PHY revision */
1231 	/* NB: when only one radio is present the rev is in 5Ghz */
1232 	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
1233 	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
1234 
1235 	uint16_t	*ah_eepromdata;	/* eeprom buffer, if needed */
1236 
1237 	uint32_t	ah_intrstate[8];	/* last int state */
1238 	uint32_t	ah_syncstate;		/* last sync intr state */
1239 
1240 	/* Current powerstate from HAL calls */
1241 	HAL_POWER_MODE	ah_powerMode;
1242 
1243 	HAL_OPS_CONFIG ah_config;
1244 	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
1245 				u_int mode);
1246 	void	  __ahdecl(*ah_detach)(struct ath_hal*);
1247 
1248 	/* Reset functions */
1249 	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
1250 				struct ieee80211_channel *,
1251 				HAL_BOOL bChannelChange,
1252 				HAL_RESET_TYPE resetType,
1253 				HAL_STATUS *status);
1254 	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
1255 	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
1256 	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore,
1257 				HAL_BOOL power_off);
1258 	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
1259 	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
1260 	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*,
1261 			struct ieee80211_channel *, HAL_BOOL *);
1262 	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *,
1263 			struct ieee80211_channel *, u_int chainMask,
1264 			HAL_BOOL longCal, HAL_BOOL *isCalDone);
1265 	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *,
1266 			const struct ieee80211_channel *);
1267 	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
1268 	    		const struct ieee80211_channel *, uint16_t *);
1269 	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
1270 	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
1271 	    		const struct ieee80211_channel *);
1272 
1273 	/* Transmit functions */
1274 	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
1275 				HAL_BOOL incTrigLevel);
1276 	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
1277 				const HAL_TXQ_INFO *qInfo);
1278 	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
1279 				const HAL_TXQ_INFO *qInfo);
1280 	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
1281 				HAL_TXQ_INFO *qInfo);
1282 	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
1283 	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
1284 	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
1285 	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
1286 	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
1287 	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
1288 	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
1289 	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
1290 				u_int pktLen, u_int hdrLen,
1291 				HAL_PKT_TYPE type, u_int txPower,
1292 				u_int txRate0, u_int txTries0,
1293 				u_int keyIx, u_int antMode, u_int flags,
1294 				u_int rtsctsRate, u_int rtsctsDuration,
1295 				u_int compicvLen, u_int compivLen,
1296 				u_int comp);
1297 	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
1298 				u_int txRate1, u_int txTries1,
1299 				u_int txRate2, u_int txTries2,
1300 				u_int txRate3, u_int txTries3);
1301 	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
1302 				HAL_DMA_ADDR *bufAddrList, uint32_t *segLenList,
1303 				u_int descId, u_int qcuId, HAL_BOOL firstSeg,
1304 				HAL_BOOL lastSeg, const struct ath_desc *);
1305 	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
1306 				struct ath_desc *, struct ath_tx_status *);
1307 	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
1308 	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
1309 	HAL_BOOL	__ahdecl(*ah_getTxCompletionRates)(struct ath_hal *,
1310 				const struct ath_desc *ds, int *rates, int *tries);
1311 	void	  __ahdecl(*ah_setTxDescLink)(struct ath_hal *ah, void *ds,
1312 				uint32_t link);
1313 	void	  __ahdecl(*ah_getTxDescLink)(struct ath_hal *ah, void *ds,
1314 				uint32_t *link);
1315 	void	  __ahdecl(*ah_getTxDescLinkPtr)(struct ath_hal *ah, void *ds,
1316 				uint32_t **linkptr);
1317 	void	  __ahdecl(*ah_setupTxStatusRing)(struct ath_hal *,
1318 				void *ts_start, uint32_t ts_paddr_start,
1319 				uint16_t size);
1320 	void	  __ahdecl(*ah_getTxRawTxDesc)(struct ath_hal *, u_int32_t *);
1321 
1322 	/* Receive Functions */
1323 	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*, HAL_RX_QUEUE);
1324 	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp, HAL_RX_QUEUE);
1325 	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
1326 	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
1327 	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*, HAL_BOOL);
1328 	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
1329 	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
1330 				uint32_t filter0, uint32_t filter1);
1331 	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
1332 				uint32_t index);
1333 	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
1334 				uint32_t index);
1335 	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
1336 	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
1337 	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
1338 				uint32_t size, u_int flags);
1339 	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
1340 				struct ath_desc *, uint32_t phyAddr,
1341 				struct ath_desc *next, uint64_t tsf,
1342 				struct ath_rx_status *);
1343 	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
1344 				const HAL_NODE_STATS *,
1345 				const struct ieee80211_channel *);
1346 	void      __ahdecl(*ah_aniPoll)(struct ath_hal *,
1347 				const struct ieee80211_channel *);
1348 	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
1349 				const HAL_NODE_STATS *);
1350 
1351 	/* Misc Functions */
1352 	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
1353 				HAL_CAPABILITY_TYPE, uint32_t capability,
1354 				uint32_t *result);
1355 	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
1356 				HAL_CAPABILITY_TYPE, uint32_t capability,
1357 				uint32_t setting, HAL_STATUS *);
1358 	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
1359 				const void *args, uint32_t argsize,
1360 				void **result, uint32_t *resultsize);
1361 	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
1362 	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
1363 	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
1364 	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
1365 	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
1366 				uint16_t, HAL_STATUS *);
1367 	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
1368 	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
1369 				const uint8_t *bssid, uint16_t assocId);
1370 	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
1371 				uint32_t gpio, HAL_GPIO_MUX_TYPE);
1372 	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
1373 	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
1374 	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
1375 				uint32_t gpio, uint32_t val);
1376 	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
1377 	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
1378 	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
1379 	void     __ahdecl(*ah_setTsf64)(struct ath_hal *, uint64_t);
1380 	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
1381 	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
1382 	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
1383 				HAL_MIB_STATS*);
1384 	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
1385 	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
1386 	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
1387 	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
1388 	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
1389 				HAL_ANT_SETTING);
1390 	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
1391 	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
1392 	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
1393 	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
1394 	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
1395 	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
1396 	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
1397 	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
1398 	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
1399 	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
1400 	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
1401 	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
1402 	HAL_STATUS	__ahdecl(*ah_setQuiet)(struct ath_hal *ah, uint32_t period,
1403 				uint32_t duration, uint32_t nextStart,
1404 				HAL_QUIET_FLAG flag);
1405 	void	  __ahdecl(*ah_setChainMasks)(struct ath_hal *,
1406 				uint32_t, uint32_t);
1407 	u_int	  __ahdecl(*ah_getNav)(struct ath_hal*);
1408 	void	  __ahdecl(*ah_setNav)(struct ath_hal*, u_int);
1409 
1410 	/* DFS functions */
1411 	void	  __ahdecl(*ah_enableDfs)(struct ath_hal *ah,
1412 				HAL_PHYERR_PARAM *pe);
1413 	void	  __ahdecl(*ah_getDfsThresh)(struct ath_hal *ah,
1414 				HAL_PHYERR_PARAM *pe);
1415 	HAL_BOOL  __ahdecl(*ah_getDfsDefaultThresh)(struct ath_hal *ah,
1416 				HAL_PHYERR_PARAM *pe);
1417 	HAL_BOOL  __ahdecl(*ah_procRadarEvent)(struct ath_hal *ah,
1418 				struct ath_rx_status *rxs, uint64_t fulltsf,
1419 				const char *buf, HAL_DFS_EVENT *event);
1420 	HAL_BOOL  __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
1421 	void	  __ahdecl(*ah_setDfsCacTxQuiet)(struct ath_hal *, HAL_BOOL);
1422 
1423 	/* Spectral Scan functions */
1424 	void	__ahdecl(*ah_spectralConfigure)(struct ath_hal *ah,
1425 				HAL_SPECTRAL_PARAM *sp);
1426 	void	__ahdecl(*ah_spectralGetConfig)(struct ath_hal *ah,
1427 				HAL_SPECTRAL_PARAM *sp);
1428 	void	__ahdecl(*ah_spectralStart)(struct ath_hal *);
1429 	void	__ahdecl(*ah_spectralStop)(struct ath_hal *);
1430 	HAL_BOOL	__ahdecl(*ah_spectralIsEnabled)(struct ath_hal *);
1431 	HAL_BOOL	__ahdecl(*ah_spectralIsActive)(struct ath_hal *);
1432 	/* XXX getNfPri() and getNfExt() */
1433 
1434 	/* Key Cache Functions */
1435 	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
1436 	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
1437 	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
1438 				uint16_t);
1439 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
1440 				uint16_t, const HAL_KEYVAL *,
1441 				const uint8_t *, int);
1442 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
1443 				uint16_t, const uint8_t *);
1444 
1445 	/* Power Management Functions */
1446 	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
1447 				HAL_POWER_MODE mode, int setChip);
1448 	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
1449 	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *,
1450 				const struct ieee80211_channel *);
1451 
1452 	/* Beacon Management Functions */
1453 	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
1454 				const HAL_BEACON_TIMERS *);
1455 	/* NB: deprecated, use ah_setBeaconTimers instead */
1456 	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
1457 				uint32_t nexttbtt, uint32_t intval);
1458 	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
1459 				const HAL_BEACON_STATE *);
1460 	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
1461 	uint64_t  __ahdecl(*ah_getNextTBTT)(struct ath_hal *);
1462 
1463 	/* 802.11n Functions */
1464 	HAL_BOOL  __ahdecl(*ah_chainTxDesc)(struct ath_hal *,
1465 				struct ath_desc *,
1466 				HAL_DMA_ADDR *bufAddrList,
1467 				uint32_t *segLenList,
1468 				u_int, u_int, HAL_PKT_TYPE,
1469 				u_int, HAL_CIPHER, uint8_t, HAL_BOOL,
1470 				HAL_BOOL, HAL_BOOL);
1471 	HAL_BOOL  __ahdecl(*ah_setupFirstTxDesc)(struct ath_hal *,
1472 				struct ath_desc *, u_int, u_int, u_int,
1473 				u_int, u_int, u_int, u_int, u_int);
1474 	HAL_BOOL  __ahdecl(*ah_setupLastTxDesc)(struct ath_hal *,
1475 				struct ath_desc *, const struct ath_desc *);
1476 	void	  __ahdecl(*ah_set11nRateScenario)(struct ath_hal *,
1477 	    			struct ath_desc *, u_int, u_int,
1478 				HAL_11N_RATE_SERIES [], u_int, u_int);
1479 
1480 	/*
1481 	 * The next 4 (set11ntxdesc -> set11naggrlast) are specific
1482 	 * to the EDMA HAL.  Descriptors are chained together by
1483 	 * using filltxdesc (not ChainTxDesc) and then setting the
1484 	 * aggregate flags appropriately using first/middle/last.
1485 	 */
1486 	void	  __ahdecl(*ah_set11nTxDesc)(struct ath_hal *,
1487 				void *, u_int, HAL_PKT_TYPE, u_int, u_int,
1488 				u_int);
1489 	void	  __ahdecl(*ah_set11nAggrFirst)(struct ath_hal *,
1490 				struct ath_desc *, u_int, u_int);
1491 	void	  __ahdecl(*ah_set11nAggrMiddle)(struct ath_hal *,
1492 	    			struct ath_desc *, u_int);
1493 	void	  __ahdecl(*ah_set11nAggrLast)(struct ath_hal *,
1494 				struct ath_desc *);
1495 	void	  __ahdecl(*ah_clr11nAggr)(struct ath_hal *,
1496 	    			struct ath_desc *);
1497 	void	  __ahdecl(*ah_set11nBurstDuration)(struct ath_hal *,
1498 	    			struct ath_desc *, u_int);
1499 	void	  __ahdecl(*ah_set11nVirtMoreFrag)(struct ath_hal *,
1500 				struct ath_desc *, u_int);
1501 
1502 	HAL_BOOL  __ahdecl(*ah_getMibCycleCounts) (struct ath_hal *,
1503 				HAL_SURVEY_SAMPLE *);
1504 
1505 	uint32_t  __ahdecl(*ah_get11nExtBusy)(struct ath_hal *);
1506 	void      __ahdecl(*ah_set11nMac2040)(struct ath_hal *,
1507 				HAL_HT_MACMODE);
1508 	HAL_HT_RXCLEAR __ahdecl(*ah_get11nRxClear)(struct ath_hal *ah);
1509 	void	  __ahdecl(*ah_set11nRxClear)(struct ath_hal *,
1510 	    			HAL_HT_RXCLEAR);
1511 
1512 	/* Interrupt functions */
1513 	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
1514 	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
1515 	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
1516 	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
1517 
1518 	/* Bluetooth Coexistence functions */
1519 	void	    __ahdecl(*ah_btCoexSetInfo)(struct ath_hal *,
1520 				HAL_BT_COEX_INFO *);
1521 	void	    __ahdecl(*ah_btCoexSetConfig)(struct ath_hal *,
1522 				HAL_BT_COEX_CONFIG *);
1523 	void	    __ahdecl(*ah_btCoexSetQcuThresh)(struct ath_hal *,
1524 				int);
1525 	void	    __ahdecl(*ah_btCoexSetWeights)(struct ath_hal *,
1526 				uint32_t);
1527 	void	    __ahdecl(*ah_btCoexSetBmissThresh)(struct ath_hal *,
1528 				uint32_t);
1529 	void	    __ahdecl(*ah_btCoexSetParameter)(struct ath_hal *,
1530 				uint32_t, uint32_t);
1531 	void	    __ahdecl(*ah_btCoexDisable)(struct ath_hal *);
1532 	int	    __ahdecl(*ah_btCoexEnable)(struct ath_hal *);
1533 
1534 	/* Bluetooth MCI methods */
1535 	void	    __ahdecl(*ah_btMciSetup)(struct ath_hal *,
1536 				uint32_t, void *, uint16_t, uint32_t);
1537 	HAL_BOOL    __ahdecl(*ah_btMciSendMessage)(struct ath_hal *,
1538 				uint8_t, uint32_t, uint32_t *, uint8_t,
1539 				HAL_BOOL, HAL_BOOL);
1540 	uint32_t    __ahdecl(*ah_btMciGetInterrupt)(struct ath_hal *,
1541 				uint32_t *, uint32_t *);
1542 	uint32_t    __ahdecl(*ah_btMciState)(struct ath_hal *,
1543 				uint32_t, uint32_t *);
1544 	void	    __ahdecl(*ah_btMciDetach)(struct ath_hal *);
1545 
1546 	/* LNA diversity configuration */
1547 	void	    __ahdecl(*ah_divLnaConfGet)(struct ath_hal *,
1548 				HAL_ANT_COMB_CONFIG *);
1549 	void	    __ahdecl(*ah_divLnaConfSet)(struct ath_hal *,
1550 				HAL_ANT_COMB_CONFIG *);
1551 };
1552 
1553 /*
1554  * Check the PCI vendor ID and device ID against Atheros' values
1555  * and return a printable description for any Atheros hardware.
1556  * AH_NULL is returned if the ID's do not describe Atheros hardware.
1557  */
1558 extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
1559 
1560 /*
1561  * Attach the HAL for use with the specified device.  The device is
1562  * defined by the PCI device ID.  The caller provides an opaque pointer
1563  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
1564  * HAL state block for later use.  Hardware register accesses are done
1565  * using the specified bus tag and handle.  On successful return a
1566  * reference to a state block is returned that must be supplied in all
1567  * subsequent HAL calls.  Storage associated with this reference is
1568  * dynamically allocated and must be freed by calling the ah_detach
1569  * method when the client is done.  If the attach operation fails a
1570  * null (AH_NULL) reference will be returned and a status code will
1571  * be returned if the status parameter is non-zero.
1572  */
1573 extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
1574 		HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata,
1575 		HAL_OPS_CONFIG *ah_config, HAL_STATUS* status);
1576 
1577 extern	const char *ath_hal_mac_name(struct ath_hal *);
1578 extern	const char *ath_hal_rf_name(struct ath_hal *);
1579 
1580 /*
1581  * Regulatory interfaces.  Drivers should use ath_hal_init_channels to
1582  * request a set of channels for a particular country code and/or
1583  * regulatory domain.  If CTRY_DEFAULT and SKU_NONE are specified then
1584  * this list is constructed according to the contents of the EEPROM.
1585  * ath_hal_getchannels acts similarly but does not alter the operating
1586  * state; this can be used to collect information for a particular
1587  * regulatory configuration.  Finally ath_hal_set_channels installs a
1588  * channel list constructed outside the driver.  The HAL will adopt the
1589  * channel list and setup internal state according to the specified
1590  * regulatory configuration (e.g. conformance test limits).
1591  *
1592  * For all interfaces the channel list is returned in the supplied array.
1593  * maxchans defines the maximum size of this array.  nchans contains the
1594  * actual number of channels returned.  If a problem occurred then a
1595  * status code != HAL_OK is returned.
1596  */
1597 struct ieee80211_channel;
1598 
1599 /*
1600  * Return a list of channels according to the specified regulatory.
1601  */
1602 extern	HAL_STATUS __ahdecl ath_hal_getchannels(struct ath_hal *,
1603     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1604     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn,
1605     HAL_BOOL enableExtendedChannels);
1606 
1607 /*
1608  * Return a list of channels and install it as the current operating
1609  * regulatory list.
1610  */
1611 extern	HAL_STATUS __ahdecl ath_hal_init_channels(struct ath_hal *,
1612     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1613     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN rd,
1614     HAL_BOOL enableExtendedChannels);
1615 
1616 /*
1617  * Install the list of channels as the current operating regulatory
1618  * and setup related state according to the country code and sku.
1619  */
1620 extern	HAL_STATUS __ahdecl ath_hal_set_channels(struct ath_hal *,
1621     struct ieee80211_channel *chans, int nchans,
1622     HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn);
1623 
1624 /*
1625  * Fetch the ctl/ext noise floor values reported by a MIMO
1626  * radio. Returns 1 for valid results, 0 for invalid channel.
1627  */
1628 extern int __ahdecl ath_hal_get_mimo_chan_noise(struct ath_hal *ah,
1629     const struct ieee80211_channel *chan, int16_t *nf_ctl,
1630     int16_t *nf_ext);
1631 
1632 /*
1633  * Calibrate noise floor data following a channel scan or similar.
1634  * This must be called prior retrieving noise floor data.
1635  */
1636 extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
1637 
1638 /*
1639  * Return bit mask of wireless modes supported by the hardware.
1640  */
1641 extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
1642 
1643 /*
1644  * Get the HAL wireless mode for the given channel.
1645  */
1646 extern	int ath_hal_get_curmode(struct ath_hal *ah,
1647     const struct ieee80211_channel *chan);
1648 
1649 /*
1650  * Calculate the packet TX time for a legacy or 11n frame
1651  */
1652 extern uint32_t __ahdecl ath_hal_pkt_txtime(struct ath_hal *ah,
1653     const HAL_RATE_TABLE *rates, uint32_t frameLen,
1654     uint16_t rateix, HAL_BOOL isht40, HAL_BOOL shortPreamble,
1655     HAL_BOOL includeSifs);
1656 
1657 /*
1658  * Calculate the duration of an 11n frame.
1659  */
1660 extern uint32_t __ahdecl ath_computedur_ht(uint32_t frameLen, uint16_t rate,
1661     int streams, HAL_BOOL isht40, HAL_BOOL isShortGI);
1662 
1663 /*
1664  * Calculate the transmit duration of a legacy frame.
1665  */
1666 extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
1667 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
1668 		uint16_t rateix, HAL_BOOL shortPreamble,
1669 		HAL_BOOL includeSifs);
1670 
1671 /*
1672  * Adjust the TSF.
1673  */
1674 extern void __ahdecl ath_hal_adjusttsf(struct ath_hal *ah, int32_t tsfdelta);
1675 
1676 /*
1677  * Enable or disable CCA.
1678  */
1679 void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
1680 
1681 /*
1682  * Get CCA setting.
1683  */
1684 int __ahdecl ath_hal_getcca(struct ath_hal *ah);
1685 
1686 /*
1687  * Enable/disable and get self-gen frame (ACK, CTS) for CAC.
1688  */
1689 void __ahdecl ath_hal_set_dfs_cac_tx_quiet(struct ath_hal *ah, HAL_BOOL ena);
1690 
1691 /*
1692  * Read EEPROM data from ah_eepromdata
1693  */
1694 HAL_BOOL __ahdecl ath_hal_EepromDataRead(struct ath_hal *ah,
1695 		u_int off, uint16_t *data);
1696 
1697 /*
1698  * For now, simply pass through MFP frames.
1699  */
1700 static inline u_int32_t
1701 ath_hal_get_mfp_qos(struct ath_hal *ah)
1702 {
1703 	//return AH_PRIVATE(ah)->ah_mfp_qos;
1704 	return HAL_MFP_QOSDATA;
1705 }
1706 
1707 /*
1708  * Convert between microseconds and core system clocks.
1709  */
1710 extern u_int ath_hal_mac_clks(struct ath_hal *ah, u_int usecs);
1711 extern u_int ath_hal_mac_usec(struct ath_hal *ah, u_int clks);
1712 extern uint64_t ath_hal_mac_psec(struct ath_hal *ah, u_int clks);
1713 
1714 #endif /* _ATH_AH_H_ */
1715