xref: /freebsd/sys/dev/ath/ath_hal/ah.h (revision 1f4bcc459a76b7aa664f3fd557684cd0ba6da352)
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  * $FreeBSD$
18  */
19 
20 #ifndef _ATH_AH_H_
21 #define _ATH_AH_H_
22 /*
23  * Atheros Hardware Access Layer
24  *
25  * Clients of the HAL call ath_hal_attach to obtain a reference to an ath_hal
26  * structure for use with the device.  Hardware-related operations that
27  * follow must call back into the HAL through interface, supplying the
28  * reference as the first parameter.
29  */
30 
31 #include "ah_osdep.h"
32 
33 /*
34  * The maximum number of TX/RX chains supported.
35  * This is intended to be used by various statistics gathering operations
36  * (NF, RSSI, EVM).
37  */
38 #define	AH_MAX_CHAINS			3
39 #define	AH_MIMO_MAX_EVM_PILOTS		6
40 
41 /*
42  * __ahdecl is analogous to _cdecl; it defines the calling
43  * convention used within the HAL.  For most systems this
44  * can just default to be empty and the compiler will (should)
45  * use _cdecl.  For systems where _cdecl is not compatible this
46  * must be defined.  See linux/ah_osdep.h for an example.
47  */
48 #ifndef __ahdecl
49 #define __ahdecl
50 #endif
51 
52 /*
53  * Status codes that may be returned by the HAL.  Note that
54  * interfaces that return a status code set it only when an
55  * error occurs--i.e. you cannot check it for success.
56  */
57 typedef enum {
58 	HAL_OK		= 0,	/* No error */
59 	HAL_ENXIO	= 1,	/* No hardware present */
60 	HAL_ENOMEM	= 2,	/* Memory allocation failed */
61 	HAL_EIO		= 3,	/* Hardware didn't respond as expected */
62 	HAL_EEMAGIC	= 4,	/* EEPROM magic number invalid */
63 	HAL_EEVERSION	= 5,	/* EEPROM version invalid */
64 	HAL_EELOCKED	= 6,	/* EEPROM unreadable */
65 	HAL_EEBADSUM	= 7,	/* EEPROM checksum invalid */
66 	HAL_EEREAD	= 8,	/* EEPROM read problem */
67 	HAL_EEBADMAC	= 9,	/* EEPROM mac address invalid */
68 	HAL_EESIZE	= 10,	/* EEPROM size not supported */
69 	HAL_EEWRITE	= 11,	/* Attempt to change write-locked EEPROM */
70 	HAL_EINVAL	= 12,	/* Invalid parameter to function */
71 	HAL_ENOTSUPP	= 13,	/* Hardware revision not supported */
72 	HAL_ESELFTEST	= 14,	/* Hardware self-test failed */
73 	HAL_EINPROGRESS	= 15,	/* Operation incomplete */
74 	HAL_EEBADREG	= 16,	/* EEPROM invalid regulatory contents */
75 	HAL_EEBADCC	= 17,	/* EEPROM invalid country code */
76 	HAL_INV_PMODE	= 18,	/* Couldn't bring out of sleep state */
77 } HAL_STATUS;
78 
79 typedef enum {
80 	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
81 	AH_TRUE  = 1,
82 } HAL_BOOL;
83 
84 typedef enum {
85 	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
86 	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
87 	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
88 	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
89 	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
90 	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
91 	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
92 	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
93 	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
94 	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll support */
95 	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
96 	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
97 	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
98 	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
99 	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
100 	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
101 	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
102 	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
103 	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
104 	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
105 	/* 21 was HAL_CAP_XR */
106 	HAL_CAP_WME_TKIPMIC 	= 22,   /* hardware can support TKIP MIC when WMM is turned on */
107 	/* 23 was HAL_CAP_CHAN_HALFRATE */
108 	/* 24 was HAL_CAP_CHAN_QUARTERRATE */
109 	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
110 	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
111 	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
112 	HAL_CAP_11D		= 28,   /* 11d beacon support for changing cc */
113 	HAL_CAP_PCIE_PS		= 29,
114 	HAL_CAP_HT		= 30,   /* hardware can support HT */
115 	HAL_CAP_GTXTO		= 31,	/* hardware supports global tx timeout */
116 	HAL_CAP_FAST_CC		= 32,	/* hardware supports fast channel change */
117 	HAL_CAP_TX_CHAINMASK	= 33,	/* mask of TX chains supported */
118 	HAL_CAP_RX_CHAINMASK	= 34,	/* mask of RX chains supported */
119 	HAL_CAP_NUM_GPIO_PINS	= 36,	/* number of GPIO pins */
120 
121 	HAL_CAP_CST		= 38,	/* hardware supports carrier sense timeout */
122 	HAL_CAP_RIFS_RX		= 39,
123 	HAL_CAP_RIFS_TX		= 40,
124 	HAL_CAP_FORCE_PPM	= 41,
125 	HAL_CAP_RTS_AGGR_LIMIT	= 42,	/* aggregation limit with RTS */
126 	HAL_CAP_4ADDR_AGGR	= 43,	/* hardware is capable of 4addr aggregation */
127 	HAL_CAP_DFS_DMN		= 44,	/* current DFS domain */
128 	HAL_CAP_EXT_CHAN_DFS	= 45,	/* DFS support for extension channel */
129 	HAL_CAP_COMBINED_RADAR_RSSI	= 46,	/* Is combined RSSI for radar accurate */
130 
131 	HAL_CAP_AUTO_SLEEP	= 48,	/* hardware can go to network sleep
132 					   automatically after waking up to receive TIM */
133 	HAL_CAP_MBSSID_AGGR_SUPPORT	= 49, /* Support for mBSSID Aggregation */
134 	HAL_CAP_SPLIT_4KB_TRANS	= 50,	/* hardware supports descriptors straddling a 4k page boundary */
135 	HAL_CAP_REG_FLAG	= 51,	/* Regulatory domain flags */
136 	HAL_CAP_BB_RIFS_HANG	= 52,
137 	HAL_CAP_RIFS_RX_ENABLED	= 53,
138 	HAL_CAP_BB_DFS_HANG	= 54,
139 
140 	HAL_CAP_RX_STBC		= 58,
141 	HAL_CAP_TX_STBC		= 59,
142 
143 	HAL_CAP_BT_COEX		= 60,	/* hardware is capable of bluetooth coexistence */
144 	HAL_CAP_DYNAMIC_SMPS	= 61,	/* Dynamic MIMO Power Save hardware support */
145 
146 	HAL_CAP_DS		= 67,	/* 2 stream */
147 	HAL_CAP_BB_RX_CLEAR_STUCK_HANG	= 68,
148 	HAL_CAP_MAC_HANG	= 69,	/* can MAC hang */
149 	HAL_CAP_MFP		= 70,	/* Management Frame Protection in hardware */
150 
151 	HAL_CAP_TS		= 72,	/* 3 stream */
152 
153 	HAL_CAP_ENHANCED_DMA_SUPPORT	= 75,	/* DMA FIFO support */
154 	HAL_CAP_NUM_TXMAPS	= 76,	/* Number of buffers in a transmit descriptor */
155 	HAL_CAP_TXDESCLEN	= 77,	/* Length of transmit descriptor */
156 	HAL_CAP_TXSTATUSLEN	= 78,	/* Length of transmit status descriptor */
157 	HAL_CAP_RXSTATUSLEN	= 79,	/* Length of transmit status descriptor */
158 	HAL_CAP_RXFIFODEPTH	= 80,	/* Receive hardware FIFO depth */
159 	HAL_CAP_RXBUFSIZE	= 81,	/* Receive Buffer Length */
160 	HAL_CAP_NUM_MR_RETRIES	= 82,	/* limit on multirate retries */
161 	HAL_CAP_OL_PWRCTRL	= 84,	/* Open loop TX power control */
162 	HAL_CAP_SPECTRAL_SCAN	= 90,	/* Hardware supports spectral scan */
163 
164 	HAL_CAP_BB_PANIC_WATCHDOG	= 92,
165 
166 	HAL_CAP_HT20_SGI	= 96,	/* hardware supports HT20 short GI */
167 
168 	HAL_CAP_LDPC		= 99,
169 
170 	HAL_CAP_RXTSTAMP_PREC	= 100,	/* rx desc tstamp precision (bits) */
171 
172 	HAL_CAP_ANT_DIV_COMB	= 105,	/* Enable antenna diversity/combining */
173 	HAL_CAP_PHYRESTART_CLR_WAR	= 106,	/* in some cases, clear phy restart to fix bb hang */
174 	HAL_CAP_ENTERPRISE_MODE	= 107,	/* Enterprise mode features */
175 	HAL_CAP_LDPCWAR		= 108,
176 	HAL_CAP_CHANNEL_SWITCH_TIME_USEC	= 109,	/* Channel change time, usec */
177 	HAL_CAP_ENABLE_APM	= 110,	/* APM enabled */
178 	HAL_CAP_PCIE_LCR_EXTSYNC_EN	= 111,
179 	HAL_CAP_PCIE_LCR_OFFSET	= 112,
180 
181 	HAL_CAP_ENHANCED_DFS_SUPPORT	= 117,	/* hardware supports enhanced DFS */
182 	HAL_CAP_MCI		= 118,
183 	HAL_CAP_SMARTANTENNA	= 119,
184 	HAL_CAP_TRAFFIC_FAST_RECOVER	= 120,
185 	HAL_CAP_TX_DIVERSITY	= 121,
186 	HAL_CAP_CRDC		= 122,
187 
188 	/* The following are private to the FreeBSD HAL (224 onward) */
189 
190 	HAL_CAP_INTMIT		= 229,	/* interference mitigation */
191 	HAL_CAP_RXORN_FATAL	= 230,	/* HAL_INT_RXORN treated as fatal */
192 	HAL_CAP_BB_HANG		= 235,	/* can baseband hang */
193 	HAL_CAP_INTRMASK	= 237,	/* bitmask of supported interrupts */
194 	HAL_CAP_BSSIDMATCH	= 238,	/* hardware has disable bssid match */
195 	HAL_CAP_STREAMS		= 239,	/* how many 802.11n spatial streams are available */
196 	HAL_CAP_RXDESC_SELFLINK	= 242,	/* support a self-linked tail RX descriptor */
197 	HAL_CAP_LONG_RXDESC_TSF	= 243,	/* hardware supports 32bit TSF in RX descriptor */
198 	HAL_CAP_BB_READ_WAR	= 244,	/* baseband read WAR */
199 	HAL_CAP_SERIALISE_WAR	= 245,	/* serialise register access on PCI */
200 	HAL_CAP_ENFORCE_TXOP	= 246,	/* Enforce TXOP if supported */
201 	HAL_CAP_RX_LNA_MIXING	= 247,	/* RX hardware uses LNA mixing */
202 	HAL_CAP_DO_MYBEACON	= 248,	/* Supports HAL_RX_FILTER_MYBEACON */
203 } HAL_CAPABILITY_TYPE;
204 
205 /*
206  * "States" for setting the LED.  These correspond to
207  * the possible 802.11 operational states and there may
208  * be a many-to-one mapping between these states and the
209  * actual hardware state for the LED's (i.e. the hardware
210  * may have fewer states).
211  */
212 typedef enum {
213 	HAL_LED_INIT	= 0,
214 	HAL_LED_SCAN	= 1,
215 	HAL_LED_AUTH	= 2,
216 	HAL_LED_ASSOC	= 3,
217 	HAL_LED_RUN	= 4
218 } HAL_LED_STATE;
219 
220 /*
221  * Transmit queue types/numbers.  These are used to tag
222  * each transmit queue in the hardware and to identify a set
223  * of transmit queues for operations such as start/stop dma.
224  */
225 typedef enum {
226 	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
227 	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
228 	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
229 	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
230 	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
231 	HAL_TX_QUEUE_PSPOLL	= 5,		/* power save poll xmit q */
232 	HAL_TX_QUEUE_CFEND	= 6,
233 	HAL_TX_QUEUE_PAPRD	= 7,
234 } HAL_TX_QUEUE;
235 
236 #define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
237 
238 /*
239  * Receive queue types.  These are used to tag
240  * each transmit queue in the hardware and to identify a set
241  * of transmit queues for operations such as start/stop dma.
242  */
243 typedef enum {
244 	HAL_RX_QUEUE_HP = 0,			/* high priority recv queue */
245 	HAL_RX_QUEUE_LP = 1,			/* low priority recv queue */
246 } HAL_RX_QUEUE;
247 
248 #define	HAL_NUM_RX_QUEUES	2		/* max possible # of queues */
249 
250 #define	HAL_TXFIFO_DEPTH	8		/* transmit fifo depth */
251 
252 /*
253  * Transmit queue subtype.  These map directly to
254  * WME Access Categories (except for UPSD).  Refer
255  * to Table 5 of the WME spec.
256  */
257 typedef enum {
258 	HAL_WME_AC_BK	= 0,			/* background access category */
259 	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
260 	HAL_WME_AC_VI	= 2,			/* video access category */
261 	HAL_WME_AC_VO	= 3,			/* voice access category */
262 	HAL_WME_UPSD	= 4,			/* uplink power save */
263 } HAL_TX_QUEUE_SUBTYPE;
264 
265 /*
266  * Transmit queue flags that control various
267  * operational parameters.
268  */
269 typedef enum {
270 	/*
271 	 * Per queue interrupt enables.  When set the associated
272 	 * interrupt may be delivered for packets sent through
273 	 * the queue.  Without these enabled no interrupts will
274 	 * be delivered for transmits through the queue.
275 	 */
276 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
277 	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
278 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
279 	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
280 	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
281 	/*
282 	 * Enable hardware compression for packets sent through
283 	 * the queue.  The compression buffer must be setup and
284 	 * packets must have a key entry marked in the tx descriptor.
285 	 */
286 	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
287 	/*
288 	 * Disable queue when veol is hit or ready time expires.
289 	 * By default the queue is disabled only on reaching the
290 	 * physical end of queue (i.e. a null link ptr in the
291 	 * descriptor chain).
292 	 */
293 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
294 	/*
295 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
296 	 * event.  Frames will be transmitted only when this timer
297 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
298 	 */
299 	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
300 	/*
301 	 * Each transmit queue has a counter that is incremented
302 	 * each time the queue is enabled and decremented when
303 	 * the list of frames to transmit is traversed (or when
304 	 * the ready time for the queue expires).  This counter
305 	 * must be non-zero for frames to be scheduled for
306 	 * transmission.  The following controls disable bumping
307 	 * this counter under certain conditions.  Typically this
308 	 * is used to gate frames based on the contents of another
309 	 * queue (e.g. CAB traffic may only follow a beacon frame).
310 	 * These are meaningful only when frames are scheduled
311 	 * with a non-ASAP policy (e.g. DBA-gated).
312 	 */
313 	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
314 	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
315 
316 	/*
317 	 * Fragment burst backoff policy.  Normally the no backoff
318 	 * is done after a successful transmission, the next fragment
319 	 * is sent at SIFS.  If this flag is set backoff is done
320 	 * after each fragment, regardless whether it was ack'd or
321 	 * not, after the backoff count reaches zero a normal channel
322 	 * access procedure is done before the next transmit (i.e.
323 	 * wait AIFS instead of SIFS).
324 	 */
325 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
326 	/*
327 	 * Disable post-tx backoff following each frame.
328 	 */
329 	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
330 	/*
331 	 * DCU arbiter lockout control.  This controls how
332 	 * lower priority tx queues are handled with respect to
333 	 * to a specific queue when multiple queues have frames
334 	 * to send.  No lockout means lower priority queues arbitrate
335 	 * concurrently with this queue.  Intra-frame lockout
336 	 * means lower priority queues are locked out until the
337 	 * current frame transmits (e.g. including backoffs and bursting).
338 	 * Global lockout means nothing lower can arbitrary so
339 	 * long as there is traffic activity on this queue (frames,
340 	 * backoff, etc).
341 	 */
342 	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
343 	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
344 
345 	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
346 	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
347 } HAL_TX_QUEUE_FLAGS;
348 
349 typedef struct {
350 	uint32_t	tqi_ver;		/* hal TXQ version */
351 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
352 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
353 	uint32_t	tqi_priority;		/* (not used) */
354 	uint32_t	tqi_aifs;		/* aifs */
355 	uint32_t	tqi_cwmin;		/* cwMin */
356 	uint32_t	tqi_cwmax;		/* cwMax */
357 	uint16_t	tqi_shretry;		/* rts retry limit */
358 	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
359 	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
360 	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
361 	uint32_t	tqi_burstTime;		/* max burst duration (us) */
362 	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
363 	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
364 } HAL_TXQ_INFO;
365 
366 #define HAL_TQI_NONVAL 0xffff
367 
368 /* token to use for aifs, cwmin, cwmax */
369 #define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
370 
371 /* compression definitions */
372 #define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
373 #define HAL_COMP_BUF_ALIGN_SIZE         512
374 
375 /*
376  * Transmit packet types.  This belongs in ah_desc.h, but
377  * is here so we can give a proper type to various parameters
378  * (and not require everyone include the file).
379  *
380  * NB: These values are intentionally assigned for
381  *     direct use when setting up h/w descriptors.
382  */
383 typedef enum {
384 	HAL_PKT_TYPE_NORMAL	= 0,
385 	HAL_PKT_TYPE_ATIM	= 1,
386 	HAL_PKT_TYPE_PSPOLL	= 2,
387 	HAL_PKT_TYPE_BEACON	= 3,
388 	HAL_PKT_TYPE_PROBE_RESP	= 4,
389 	HAL_PKT_TYPE_CHIRP	= 5,
390 	HAL_PKT_TYPE_GRP_POLL	= 6,
391 	HAL_PKT_TYPE_AMPDU	= 7,
392 } HAL_PKT_TYPE;
393 
394 /* Rx Filter Frame Types */
395 typedef enum {
396 	/*
397 	 * These bits correspond to AR_RX_FILTER for all chips.
398 	 * Not all bits are supported by all chips.
399 	 */
400 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
401 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
402 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
403 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
404 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
405 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
406 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
407 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
408 	HAL_RX_FILTER_MYBEACON  = 0x00000200,   /* Filter beacons other than mine */
409 	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
410 	HAL_RX_FILTER_COMP_BA	= 0x00000800,	/* Allow compressed blockack */
411 	HAL_RX_FILTER_PHYRADAR	= 0x00002000,	/* Allow phy radar errors */
412 	HAL_RX_FILTER_PSPOLL	= 0x00004000,	/* Allow PS-POLL frames */
413 	HAL_RX_FILTER_MCAST_BCAST_ALL	= 0x00008000,
414 						/* Allow all mcast/bcast frames */
415 
416 	/*
417 	 * Magic RX filter flags that aren't targetting hardware bits
418 	 * but instead the HAL sets individual bits - eg PHYERR will result
419 	 * in OFDM/CCK timing error frames being received.
420 	 */
421 	HAL_RX_FILTER_BSSID	= 0x40000000,	/* Disable BSSID match */
422 } HAL_RX_FILTER;
423 
424 typedef enum {
425 	HAL_PM_AWAKE		= 0,
426 	HAL_PM_FULL_SLEEP	= 1,
427 	HAL_PM_NETWORK_SLEEP	= 2,
428 	HAL_PM_UNDEFINED	= 3
429 } HAL_POWER_MODE;
430 
431 /*
432  * Enterprise mode flags
433  */
434 #define	AH_ENT_DUAL_BAND_DISABLE	0x00000001
435 #define	AH_ENT_CHAIN2_DISABLE		0x00000002
436 #define	AH_ENT_5MHZ_DISABLE		0x00000004
437 #define	AH_ENT_10MHZ_DISABLE		0x00000008
438 #define	AH_ENT_49GHZ_DISABLE		0x00000010
439 #define	AH_ENT_LOOPBACK_DISABLE		0x00000020
440 #define	AH_ENT_TPC_PERF_DISABLE		0x00000040
441 #define	AH_ENT_MIN_PKT_SIZE_DISABLE	0x00000080
442 #define	AH_ENT_SPECTRAL_PRECISION	0x00000300
443 #define	AH_ENT_SPECTRAL_PRECISION_S	8
444 #define	AH_ENT_RTSCTS_DELIM_WAR		0x00010000
445 
446 #define AH_FIRST_DESC_NDELIMS 60
447 
448 /*
449  * NOTE WELL:
450  * These are mapped to take advantage of the common locations for many of
451  * the bits on all of the currently supported MAC chips. This is to make
452  * the ISR as efficient as possible, while still abstracting HW differences.
453  * When new hardware breaks this commonality this enumerated type, as well
454  * as the HAL functions using it, must be modified. All values are directly
455  * mapped unless commented otherwise.
456  */
457 typedef enum {
458 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
459 	HAL_INT_RXDESC	= 0x00000002,	/* Legacy mapping */
460 	HAL_INT_RXERR	= 0x00000004,
461 	HAL_INT_RXHP	= 0x00000001,	/* EDMA */
462 	HAL_INT_RXLP	= 0x00000002,	/* EDMA */
463 	HAL_INT_RXNOFRM	= 0x00000008,
464 	HAL_INT_RXEOL	= 0x00000010,
465 	HAL_INT_RXORN	= 0x00000020,
466 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
467 	HAL_INT_TXDESC	= 0x00000080,
468 	HAL_INT_TIM_TIMER= 0x00000100,
469 	HAL_INT_MCI	= 0x00000200,
470 	HAL_INT_BBPANIC	= 0x00000400,
471 	HAL_INT_TXURN	= 0x00000800,
472 	HAL_INT_MIB	= 0x00001000,
473 	HAL_INT_RXPHY	= 0x00004000,
474 	HAL_INT_RXKCM	= 0x00008000,
475 	HAL_INT_SWBA	= 0x00010000,
476 	HAL_INT_BRSSI	= 0x00020000,
477 	HAL_INT_BMISS	= 0x00040000,
478 	HAL_INT_BNR	= 0x00100000,
479 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
480 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
481 	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
482 	HAL_INT_GPIO	= 0x01000000,
483 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
484 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
485 	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
486 	/* Atheros ref driver has a generic timer interrupt now..*/
487 	HAL_INT_GENTIMER	= 0x08000000,	/* Non-common mapping */
488 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
489 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
490 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
491 #define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
492 	HAL_INT_BMISC	= HAL_INT_TIM
493 			| HAL_INT_DTIM
494 			| HAL_INT_DTIMSYNC
495 			| HAL_INT_CABEND
496 			| HAL_INT_TBTT,
497 
498 	/* Interrupt bits that map directly to ISR/IMR bits */
499 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
500 			| HAL_INT_RXDESC
501 			| HAL_INT_RXEOL
502 			| HAL_INT_RXORN
503 			| HAL_INT_TXDESC
504 			| HAL_INT_TXURN
505 			| HAL_INT_MIB
506 			| HAL_INT_RXPHY
507 			| HAL_INT_RXKCM
508 			| HAL_INT_SWBA
509 			| HAL_INT_BMISS
510 			| HAL_INT_BRSSI
511 			| HAL_INT_BNR
512 			| HAL_INT_GPIO,
513 } HAL_INT;
514 
515 /*
516  * MSI vector assignments
517  */
518 typedef enum {
519 	HAL_MSIVEC_MISC = 0,
520 	HAL_MSIVEC_TX   = 1,
521 	HAL_MSIVEC_RXLP = 2,
522 	HAL_MSIVEC_RXHP = 3,
523 } HAL_MSIVEC;
524 
525 typedef enum {
526 	HAL_INT_LINE = 0,
527 	HAL_INT_MSI  = 1,
528 } HAL_INT_TYPE;
529 
530 /* For interrupt mitigation registers */
531 typedef enum {
532 	HAL_INT_RX_FIRSTPKT=0,
533 	HAL_INT_RX_LASTPKT,
534 	HAL_INT_TX_FIRSTPKT,
535 	HAL_INT_TX_LASTPKT,
536 	HAL_INT_THRESHOLD
537 } HAL_INT_MITIGATION;
538 
539 /* XXX this is duplicate information! */
540 typedef struct {
541 	u_int32_t	cyclecnt_diff;		/* delta cycle count */
542 	u_int32_t	rxclr_cnt;		/* rx clear count */
543 	u_int32_t	extrxclr_cnt;		/* ext chan rx clear count */
544 	u_int32_t	txframecnt_diff;	/* delta tx frame count */
545 	u_int32_t	rxframecnt_diff;	/* delta rx frame count */
546 	u_int32_t	listen_time;		/* listen time in msec - time for which ch is free */
547 	u_int32_t	ofdmphyerr_cnt;		/* OFDM err count since last reset */
548 	u_int32_t	cckphyerr_cnt;		/* CCK err count since last reset */
549 	u_int32_t	ofdmphyerrcnt_diff;	/* delta OFDM Phy Error Count */
550 	HAL_BOOL	valid;			/* if the stats are valid*/
551 } HAL_ANISTATS;
552 
553 typedef struct {
554 	u_int8_t	txctl_offset;
555 	u_int8_t	txctl_numwords;
556 	u_int8_t	txstatus_offset;
557 	u_int8_t	txstatus_numwords;
558 
559 	u_int8_t	rxctl_offset;
560 	u_int8_t	rxctl_numwords;
561 	u_int8_t	rxstatus_offset;
562 	u_int8_t	rxstatus_numwords;
563 
564 	u_int8_t	macRevision;
565 } HAL_DESC_INFO;
566 
567 typedef enum {
568 	HAL_GPIO_OUTPUT_MUX_AS_OUTPUT		= 0,
569 	HAL_GPIO_OUTPUT_MUX_PCIE_ATTENTION_LED	= 1,
570 	HAL_GPIO_OUTPUT_MUX_PCIE_POWER_LED	= 2,
571 	HAL_GPIO_OUTPUT_MUX_MAC_NETWORK_LED	= 3,
572 	HAL_GPIO_OUTPUT_MUX_MAC_POWER_LED	= 4,
573 	HAL_GPIO_OUTPUT_MUX_AS_WLAN_ACTIVE	= 5,
574 	HAL_GPIO_OUTPUT_MUX_AS_TX_FRAME		= 6,
575 
576 	HAL_GPIO_OUTPUT_MUX_AS_MCI_WLAN_DATA,
577 	HAL_GPIO_OUTPUT_MUX_AS_MCI_WLAN_CLK,
578 	HAL_GPIO_OUTPUT_MUX_AS_MCI_BT_DATA,
579 	HAL_GPIO_OUTPUT_MUX_AS_MCI_BT_CLK,
580 	HAL_GPIO_OUTPUT_MUX_AS_WL_IN_TX,
581 	HAL_GPIO_OUTPUT_MUX_AS_WL_IN_RX,
582 	HAL_GPIO_OUTPUT_MUX_AS_BT_IN_TX,
583 	HAL_GPIO_OUTPUT_MUX_AS_BT_IN_RX,
584 	HAL_GPIO_OUTPUT_MUX_AS_RUCKUS_STROBE,
585 	HAL_GPIO_OUTPUT_MUX_AS_RUCKUS_DATA,
586 	HAL_GPIO_OUTPUT_MUX_AS_SMARTANT_CTRL0,
587 	HAL_GPIO_OUTPUT_MUX_AS_SMARTANT_CTRL1,
588 	HAL_GPIO_OUTPUT_MUX_AS_SMARTANT_CTRL2,
589 	HAL_GPIO_OUTPUT_MUX_NUM_ENTRIES
590 } HAL_GPIO_MUX_TYPE;
591 
592 typedef enum {
593 	HAL_GPIO_INTR_LOW		= 0,
594 	HAL_GPIO_INTR_HIGH		= 1,
595 	HAL_GPIO_INTR_DISABLE		= 2
596 } HAL_GPIO_INTR_TYPE;
597 
598 typedef struct halCounters {
599     u_int32_t   tx_frame_count;
600     u_int32_t   rx_frame_count;
601     u_int32_t   rx_clear_count;
602     u_int32_t   cycle_count;
603     u_int8_t    is_rx_active;     // true (1) or false (0)
604     u_int8_t    is_tx_active;     // true (1) or false (0)
605 } HAL_COUNTERS;
606 
607 typedef enum {
608 	HAL_RFGAIN_INACTIVE		= 0,
609 	HAL_RFGAIN_READ_REQUESTED	= 1,
610 	HAL_RFGAIN_NEED_CHANGE		= 2
611 } HAL_RFGAIN;
612 
613 typedef uint16_t HAL_CTRY_CODE;		/* country code */
614 typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
615 
616 #define HAL_ANTENNA_MIN_MODE  0
617 #define HAL_ANTENNA_FIXED_A   1
618 #define HAL_ANTENNA_FIXED_B   2
619 #define HAL_ANTENNA_MAX_MODE  3
620 
621 typedef struct {
622 	uint32_t	ackrcv_bad;
623 	uint32_t	rts_bad;
624 	uint32_t	rts_good;
625 	uint32_t	fcs_bad;
626 	uint32_t	beacons;
627 } HAL_MIB_STATS;
628 
629 /*
630  * These bits represent what's in ah_currentRDext.
631  */
632 typedef enum {
633 	REG_EXT_FCC_MIDBAND		= 0,
634 	REG_EXT_JAPAN_MIDBAND		= 1,
635 	REG_EXT_FCC_DFS_HT40		= 2,
636 	REG_EXT_JAPAN_NONDFS_HT40	= 3,
637 	REG_EXT_JAPAN_DFS_HT40		= 4
638 } REG_EXT_BITMAP;
639 
640 enum {
641 	HAL_MODE_11A	= 0x001,		/* 11a channels */
642 	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
643 	HAL_MODE_11B	= 0x004,		/* 11b channels */
644 	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
645 #ifdef notdef
646 	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
647 #else
648 	HAL_MODE_11G	= 0x008,		/* XXX historical */
649 #endif
650 	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
651 	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
652 	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
653 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
654 	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
655 	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
656 	HAL_MODE_11NG_HT20	= 0x008000,
657 	HAL_MODE_11NA_HT20  	= 0x010000,
658 	HAL_MODE_11NG_HT40PLUS	= 0x020000,
659 	HAL_MODE_11NG_HT40MINUS	= 0x040000,
660 	HAL_MODE_11NA_HT40PLUS	= 0x080000,
661 	HAL_MODE_11NA_HT40MINUS	= 0x100000,
662 	HAL_MODE_ALL	= 0xffffff
663 };
664 
665 typedef struct {
666 	int		rateCount;		/* NB: for proper padding */
667 	uint8_t		rateCodeToIndex[256];	/* back mapping */
668 	struct {
669 		uint8_t		valid;		/* valid for rate control use */
670 		uint8_t		phy;		/* CCK/OFDM/XR */
671 		uint32_t	rateKbps;	/* transfer rate in kbs */
672 		uint8_t		rateCode;	/* rate for h/w descriptors */
673 		uint8_t		shortPreamble;	/* mask for enabling short
674 						 * preamble in CCK rate code */
675 		uint8_t		dot11Rate;	/* value for supported rates
676 						 * info element of MLME */
677 		uint8_t		controlRate;	/* index of next lower basic
678 						 * rate; used for dur. calcs */
679 		uint16_t	lpAckDuration;	/* long preamble ACK duration */
680 		uint16_t	spAckDuration;	/* short preamble ACK duration*/
681 	} info[64];
682 } HAL_RATE_TABLE;
683 
684 typedef struct {
685 	u_int		rs_count;		/* number of valid entries */
686 	uint8_t	rs_rates[64];		/* rates */
687 } HAL_RATE_SET;
688 
689 /*
690  * 802.11n specific structures and enums
691  */
692 typedef enum {
693 	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
694 	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
695 } HAL_CHAIN_TYPE;
696 
697 typedef struct {
698 	u_int	Tries;
699 	u_int	Rate;		/* hardware rate code */
700 	u_int	RateIndex;	/* rate series table index */
701 	u_int	PktDuration;
702 	u_int	ChSel;
703 	u_int	RateFlags;
704 #define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
705 #define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
706 #define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
707 #define	HAL_RATESERIES_STBC		0x0008	/* use STBC for series */
708 	u_int	tx_power_cap;		/* in 1/2 dBm units XXX TODO */
709 } HAL_11N_RATE_SERIES;
710 
711 typedef enum {
712 	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
713 	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
714 } HAL_HT_MACMODE;
715 
716 typedef enum {
717 	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
718 	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
719 } HAL_HT_PHYMODE;
720 
721 typedef enum {
722 	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
723 	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
724 } HAL_HT_EXTPROTSPACING;
725 
726 
727 typedef enum {
728 	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
729 	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
730 } HAL_HT_RXCLEAR;
731 
732 typedef enum {
733 	HAL_FREQ_BAND_5GHZ	= 0,
734 	HAL_FREQ_BAND_2GHZ	= 1,
735 } HAL_FREQ_BAND;
736 
737 /*
738  * Antenna switch control.  By default antenna selection
739  * enables multiple (2) antenna use.  To force use of the
740  * A or B antenna only specify a fixed setting.  Fixing
741  * the antenna will also disable any diversity support.
742  */
743 typedef enum {
744 	HAL_ANT_VARIABLE = 0,			/* variable by programming */
745 	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
746 	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
747 } HAL_ANT_SETTING;
748 
749 typedef enum {
750 	HAL_M_STA	= 1,			/* infrastructure station */
751 	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
752 	HAL_M_HOSTAP	= 6,			/* Software Access Point */
753 	HAL_M_MONITOR	= 8			/* Monitor mode */
754 } HAL_OPMODE;
755 
756 typedef enum {
757 	HAL_RESET_NORMAL	= 0,		/* Do normal reset */
758 	HAL_RESET_BBPANIC	= 1,		/* Reset because of BB panic */
759 	HAL_RESET_FORCE_COLD	= 2,		/* Force full reset */
760 } HAL_RESET_TYPE;
761 
762 typedef struct {
763 	uint8_t		kv_type;		/* one of HAL_CIPHER */
764 	uint8_t		kv_apsd;		/* Mask for APSD enabled ACs */
765 	uint16_t	kv_len;			/* length in bits */
766 	uint8_t		kv_val[16];		/* enough for 128-bit keys */
767 	uint8_t		kv_mic[8];		/* TKIP MIC key */
768 	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
769 } HAL_KEYVAL;
770 
771 /*
772  * This is the TX descriptor field which marks the key padding requirement.
773  * The naming is unfortunately unclear.
774  */
775 #define AH_KEYTYPE_MASK     0x0F
776 typedef enum {
777     HAL_KEY_TYPE_CLEAR,
778     HAL_KEY_TYPE_WEP,
779     HAL_KEY_TYPE_AES,
780     HAL_KEY_TYPE_TKIP,
781 } HAL_KEY_TYPE;
782 
783 typedef enum {
784 	HAL_CIPHER_WEP		= 0,
785 	HAL_CIPHER_AES_OCB	= 1,
786 	HAL_CIPHER_AES_CCM	= 2,
787 	HAL_CIPHER_CKIP		= 3,
788 	HAL_CIPHER_TKIP		= 4,
789 	HAL_CIPHER_CLR		= 5,		/* no encryption */
790 
791 	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
792 } HAL_CIPHER;
793 
794 enum {
795 	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
796 	HAL_SLOT_TIME_9	 = 9,
797 	HAL_SLOT_TIME_20 = 20,
798 };
799 
800 /*
801  * Per-station beacon timer state.  Note that the specified
802  * beacon interval (given in TU's) can also include flags
803  * to force a TSF reset and to enable the beacon xmit logic.
804  * If bs_cfpmaxduration is non-zero the hardware is setup to
805  * coexist with a PCF-capable AP.
806  */
807 typedef struct {
808 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
809 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
810 	uint32_t	bs_intval;		/* beacon interval+flags */
811 /*
812  * HAL_BEACON_PERIOD, HAL_BEACON_ENA and HAL_BEACON_RESET_TSF
813  * are all 1:1 correspondances with the pre-11n chip AR_BEACON
814  * register.
815  */
816 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
817 #define	HAL_BEACON_PERIOD_TU8	0x0007ffff	/* beacon interval, tu/8 */
818 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
819 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
820 #define	HAL_TSFOOR_THRESHOLD	0x00004240	/* TSF OOR thresh (16k uS) */
821 	uint32_t	bs_dtimperiod;
822 	uint16_t	bs_cfpperiod;		/* CFP period in TU */
823 	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
824 	uint32_t	bs_cfpnext;		/* next CFP in TU */
825 	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
826 	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
827 	uint32_t	bs_sleepduration;	/* max sleep duration */
828 	uint32_t	bs_tsfoor_threshold;	/* TSF out of range threshold */
829 } HAL_BEACON_STATE;
830 
831 /*
832  * Like HAL_BEACON_STATE but for non-station mode setup.
833  * NB: see above flag definitions for bt_intval.
834  */
835 typedef struct {
836 	uint32_t	bt_intval;		/* beacon interval+flags */
837 	uint32_t	bt_nexttbtt;		/* next beacon in TU */
838 	uint32_t	bt_nextatim;		/* next ATIM in TU */
839 	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
840 	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
841 	uint32_t	bt_flags;		/* timer enables */
842 #define HAL_BEACON_TBTT_EN	0x00000001
843 #define HAL_BEACON_DBA_EN	0x00000002
844 #define HAL_BEACON_SWBA_EN	0x00000004
845 } HAL_BEACON_TIMERS;
846 
847 /*
848  * Per-node statistics maintained by the driver for use in
849  * optimizing signal quality and other operational aspects.
850  */
851 typedef struct {
852 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
853 	uint32_t	ns_avgrssi;	/* average data rssi */
854 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
855 } HAL_NODE_STATS;
856 
857 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
858 
859 /*
860  * This is the ANI state and MIB stats.
861  *
862  * It's used by the HAL modules to keep state /and/ by the debug ioctl
863  * to fetch ANI information.
864  */
865 typedef struct {
866 	uint32_t	ast_ani_niup;   /* ANI increased noise immunity */
867 	uint32_t	ast_ani_nidown; /* ANI decreased noise immunity */
868 	uint32_t	ast_ani_spurup; /* ANI increased spur immunity */
869 	uint32_t	ast_ani_spurdown;/* ANI descreased spur immunity */
870 	uint32_t	ast_ani_ofdmon; /* ANI OFDM weak signal detect on */
871 	uint32_t	ast_ani_ofdmoff;/* ANI OFDM weak signal detect off */
872 	uint32_t	ast_ani_cckhigh;/* ANI CCK weak signal threshold high */
873 	uint32_t	ast_ani_ccklow; /* ANI CCK weak signal threshold low */
874 	uint32_t	ast_ani_stepup; /* ANI increased first step level */
875 	uint32_t	ast_ani_stepdown;/* ANI decreased first step level */
876 	uint32_t	ast_ani_ofdmerrs;/* ANI cumulative ofdm phy err count */
877 	uint32_t	ast_ani_cckerrs;/* ANI cumulative cck phy err count */
878 	uint32_t	ast_ani_reset;  /* ANI parameters zero'd for non-STA */
879 	uint32_t	ast_ani_lzero;  /* ANI listen time forced to zero */
880 	uint32_t	ast_ani_lneg;   /* ANI listen time calculated < 0 */
881 	HAL_MIB_STATS	ast_mibstats;   /* MIB counter stats */
882 	HAL_NODE_STATS	ast_nodestats;  /* Latest rssi stats from driver */
883 } HAL_ANI_STATS;
884 
885 typedef struct {
886 	uint8_t		noiseImmunityLevel;
887 	uint8_t		spurImmunityLevel;
888 	uint8_t		firstepLevel;
889 	uint8_t		ofdmWeakSigDetectOff;
890 	uint8_t		cckWeakSigThreshold;
891 	uint32_t	listenTime;
892 
893 	/* NB: intentionally ordered so data exported to user space is first */
894 	uint32_t	txFrameCount;   /* Last txFrameCount */
895 	uint32_t	rxFrameCount;   /* Last rx Frame count */
896 	uint32_t	cycleCount;     /* Last cycleCount
897 					   (to detect wrap-around) */
898 	uint32_t	ofdmPhyErrCount;/* OFDM err count since last reset */
899 	uint32_t	cckPhyErrCount; /* CCK err count since last reset */
900 } HAL_ANI_STATE;
901 
902 struct ath_desc;
903 struct ath_tx_status;
904 struct ath_rx_status;
905 struct ieee80211_channel;
906 
907 /*
908  * This is a channel survey sample entry.
909  *
910  * The AR5212 ANI routines fill these samples. The ANI code then uses it
911  * when calculating listen time; it is also exported via a diagnostic
912  * API.
913  */
914 typedef struct {
915 	uint32_t        seq_num;
916 	uint32_t        tx_busy;
917 	uint32_t        rx_busy;
918 	uint32_t        chan_busy;
919 	uint32_t        ext_chan_busy;
920 	uint32_t        cycle_count;
921 	/* XXX TODO */
922 	uint32_t        ofdm_phyerr_count;
923 	uint32_t        cck_phyerr_count;
924 } HAL_SURVEY_SAMPLE;
925 
926 /*
927  * This provides 3.2 seconds of sample space given an
928  * ANI time of 1/10th of a second. This may not be enough!
929  */
930 #define	CHANNEL_SURVEY_SAMPLE_COUNT	32
931 
932 typedef struct {
933 	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
934 	uint32_t cur_sample;	/* current sample in sequence */
935 	uint32_t cur_seq;	/* current sequence number */
936 } HAL_CHANNEL_SURVEY;
937 
938 /*
939  * ANI commands.
940  *
941  * These are used both internally and externally via the diagnostic
942  * API.
943  *
944  * Note that this is NOT the ANI commands being used via the INTMIT
945  * capability - that has a different mapping for some reason.
946  */
947 typedef enum {
948 	HAL_ANI_PRESENT = 0,			/* is ANI support present */
949 	HAL_ANI_NOISE_IMMUNITY_LEVEL = 1,	/* set level */
950 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 2,	/* enable/disable */
951 	HAL_ANI_CCK_WEAK_SIGNAL_THR = 3,	/* enable/disable */
952 	HAL_ANI_FIRSTEP_LEVEL = 4,		/* set level */
953 	HAL_ANI_SPUR_IMMUNITY_LEVEL = 5,	/* set level */
954 	HAL_ANI_MODE = 6,			/* 0 => manual, 1 => auto (XXX do not change) */
955 	HAL_ANI_PHYERR_RESET = 7,		/* reset phy error stats */
956 	HAL_ANI_MRC_CCK = 8,
957 } HAL_ANI_CMD;
958 
959 #define	HAL_ANI_ALL		0xffffffff
960 
961 /*
962  * This is the layout of the ANI INTMIT capability.
963  *
964  * Notice that the command values differ to HAL_ANI_CMD.
965  */
966 typedef enum {
967 	HAL_CAP_INTMIT_PRESENT = 0,
968 	HAL_CAP_INTMIT_ENABLE = 1,
969 	HAL_CAP_INTMIT_NOISE_IMMUNITY_LEVEL = 2,
970 	HAL_CAP_INTMIT_OFDM_WEAK_SIGNAL_LEVEL = 3,
971 	HAL_CAP_INTMIT_CCK_WEAK_SIGNAL_THR = 4,
972 	HAL_CAP_INTMIT_FIRSTEP_LEVEL = 5,
973 	HAL_CAP_INTMIT_SPUR_IMMUNITY_LEVEL = 6
974 } HAL_CAP_INTMIT_CMD;
975 
976 typedef struct {
977 	int32_t		pe_firpwr;	/* FIR pwr out threshold */
978 	int32_t		pe_rrssi;	/* Radar rssi thresh */
979 	int32_t		pe_height;	/* Pulse height thresh */
980 	int32_t		pe_prssi;	/* Pulse rssi thresh */
981 	int32_t		pe_inband;	/* Inband thresh */
982 
983 	/* The following params are only for AR5413 and later */
984 	u_int32_t	pe_relpwr;	/* Relative power threshold in 0.5dB steps */
985 	u_int32_t	pe_relstep;	/* Pulse Relative step threshold in 0.5dB steps */
986 	u_int32_t	pe_maxlen;	/* Max length of radar sign in 0.8us units */
987 	int32_t		pe_usefir128;	/* Use the average in-band power measured over 128 cycles */
988 	int32_t		pe_blockradar;	/*
989 					 * Enable to block radar check if pkt detect is done via OFDM
990 					 * weak signal detect or pkt is detected immediately after tx
991 					 * to rx transition
992 					 */
993 	int32_t		pe_enmaxrssi;	/*
994 					 * Enable to use the max rssi instead of the last rssi during
995 					 * fine gain changes for radar detection
996 					 */
997 	int32_t		pe_extchannel;	/* Enable DFS on ext channel */
998 	int32_t		pe_enabled;	/* Whether radar detection is enabled */
999 	int32_t		pe_enrelpwr;
1000 	int32_t		pe_en_relstep_check;
1001 } HAL_PHYERR_PARAM;
1002 
1003 #define	HAL_PHYERR_PARAM_NOVAL	65535
1004 
1005 typedef struct {
1006 	u_int16_t	ss_fft_period;	/* Skip interval for FFT reports */
1007 	u_int16_t	ss_period;	/* Spectral scan period */
1008 	u_int16_t	ss_count;	/* # of reports to return from ss_active */
1009 	u_int16_t	ss_short_report;/* Set to report ony 1 set of FFT results */
1010 	u_int8_t	radar_bin_thresh_sel;	/* strong signal radar FFT threshold configuration */
1011 	u_int16_t	ss_spectral_pri;		/* are we doing a noise power cal ? */
1012 	int8_t		ss_nf_cal[AH_MAX_CHAINS*2];     /* nf calibrated values for ctl+ext from eeprom */
1013 	int8_t		ss_nf_pwr[AH_MAX_CHAINS*2];     /* nf pwr values for ctl+ext from eeprom */
1014 	int32_t		ss_nf_temp_data;	/* temperature data taken during nf scan */
1015 	int		ss_enabled;
1016 	int		ss_active;
1017 } HAL_SPECTRAL_PARAM;
1018 #define	HAL_SPECTRAL_PARAM_NOVAL	0xFFFF
1019 #define	HAL_SPECTRAL_PARAM_ENABLE	0x8000	/* Enable/Disable if applicable */
1020 
1021 /*
1022  * DFS operating mode flags.
1023  */
1024 typedef enum {
1025 	HAL_DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
1026 	HAL_DFS_FCC_DOMAIN	= 1,	/* FCC3 dfs domain */
1027 	HAL_DFS_ETSI_DOMAIN	= 2,	/* ETSI dfs domain */
1028 	HAL_DFS_MKK4_DOMAIN	= 3,	/* Japan dfs domain */
1029 } HAL_DFS_DOMAIN;
1030 
1031 
1032 /*
1033  * MFP decryption options for initializing the MAC.
1034  */
1035 typedef enum {
1036 	HAL_MFP_QOSDATA = 0,	/* Decrypt MFP frames like QoS data frames. All chips before Merlin. */
1037 	HAL_MFP_PASSTHRU,	/* Don't decrypt MFP frames at all. Passthrough */
1038 	HAL_MFP_HW_CRYPTO	/* hardware decryption enabled. Merlin can do it. */
1039 } HAL_MFP_OPT_T;
1040 
1041 /* LNA config supported */
1042 typedef enum {
1043 	HAL_ANT_DIV_COMB_LNA1_MINUS_LNA2	= 0,
1044 	HAL_ANT_DIV_COMB_LNA2			= 1,
1045 	HAL_ANT_DIV_COMB_LNA1			= 2,
1046 	HAL_ANT_DIV_COMB_LNA1_PLUS_LNA2		= 3,
1047 } HAL_ANT_DIV_COMB_LNA_CONF;
1048 
1049 typedef struct {
1050 	u_int8_t	main_lna_conf;
1051 	u_int8_t	alt_lna_conf;
1052 	u_int8_t	fast_div_bias;
1053 	u_int8_t	main_gaintb;
1054 	u_int8_t	alt_gaintb;
1055 	u_int8_t	antdiv_configgroup;
1056 	int8_t		lna1_lna2_delta;
1057 } HAL_ANT_COMB_CONFIG;
1058 
1059 #define	DEFAULT_ANTDIV_CONFIG_GROUP	0x00
1060 #define	HAL_ANTDIV_CONFIG_GROUP_1	0x01
1061 #define	HAL_ANTDIV_CONFIG_GROUP_2	0x02
1062 #define	HAL_ANTDIV_CONFIG_GROUP_3	0x03
1063 
1064 /*
1065  * Flag for setting QUIET period
1066  */
1067 typedef enum {
1068 	HAL_QUIET_DISABLE		= 0x0,
1069 	HAL_QUIET_ENABLE		= 0x1,
1070 	HAL_QUIET_ADD_CURRENT_TSF	= 0x2,	/* add current TSF to next_start offset */
1071 	HAL_QUIET_ADD_SWBA_RESP_TIME	= 0x4,	/* add beacon response time to next_start offset */
1072 } HAL_QUIET_FLAG;
1073 
1074 #define	HAL_DFS_EVENT_PRICH		0x0000001
1075 #define	HAL_DFS_EVENT_EXTCH		0x0000002
1076 #define	HAL_DFS_EVENT_EXTEARLY		0x0000004
1077 #define	HAL_DFS_EVENT_ISDC		0x0000008
1078 
1079 struct hal_dfs_event {
1080 	uint64_t	re_full_ts;	/* 64-bit full timestamp from interrupt time */
1081 	uint32_t	re_ts;		/* Original 15 bit recv timestamp */
1082 	uint8_t		re_rssi;	/* rssi of radar event */
1083 	uint8_t		re_dur;		/* duration of radar pulse */
1084 	uint32_t	re_flags;	/* Flags (see above) */
1085 };
1086 typedef struct hal_dfs_event HAL_DFS_EVENT;
1087 
1088 /*
1089  * Generic Timer domain
1090  */
1091 typedef enum {
1092 	HAL_GEN_TIMER_TSF = 0,
1093 	HAL_GEN_TIMER_TSF2,
1094 	HAL_GEN_TIMER_TSF_ANY
1095 } HAL_GEN_TIMER_DOMAIN;
1096 
1097 /*
1098  * BT Co-existence definitions
1099  */
1100 typedef enum {
1101 	HAL_BT_MODULE_CSR_BC4	= 0,	/* CSR BlueCore v4 */
1102 	HAL_BT_MODULE_JANUS	= 1,	/* Kite + Valkyrie combo */
1103 	HAL_BT_MODULE_HELIUS	= 2,	/* Kiwi + Valkyrie combo */
1104 	HAL_MAX_BT_MODULES
1105 } HAL_BT_MODULE;
1106 
1107 typedef struct {
1108 	HAL_BT_MODULE	bt_module;
1109 	u_int8_t	bt_coex_config;
1110 	u_int8_t	bt_gpio_bt_active;
1111 	u_int8_t	bt_gpio_bt_priority;
1112 	u_int8_t	bt_gpio_wlan_active;
1113 	u_int8_t	bt_active_polarity;
1114 	HAL_BOOL	bt_single_ant;
1115 	u_int8_t	bt_dutyCycle;
1116 	u_int8_t	bt_isolation;
1117 	u_int8_t	bt_period;
1118 } HAL_BT_COEX_INFO;
1119 
1120 typedef enum {
1121 	HAL_BT_COEX_MODE_LEGACY		= 0,	/* legacy rx_clear mode */
1122 	HAL_BT_COEX_MODE_UNSLOTTED	= 1,	/* untimed/unslotted mode */
1123 	HAL_BT_COEX_MODE_SLOTTED	= 2,	/* slotted mode */
1124 	HAL_BT_COEX_MODE_DISALBED	= 3,	/* coexistence disabled */
1125 } HAL_BT_COEX_MODE;
1126 
1127 typedef enum {
1128 	HAL_BT_COEX_CFG_NONE,		/* No bt coex enabled */
1129 	HAL_BT_COEX_CFG_2WIRE_2CH,	/* 2-wire with 2 chains */
1130 	HAL_BT_COEX_CFG_2WIRE_CH1,	/* 2-wire with ch1 */
1131 	HAL_BT_COEX_CFG_2WIRE_CH0,	/* 2-wire with ch0 */
1132 	HAL_BT_COEX_CFG_3WIRE,		/* 3-wire */
1133 	HAL_BT_COEX_CFG_MCI		/* MCI */
1134 } HAL_BT_COEX_CFG;
1135 
1136 typedef enum {
1137 	HAL_BT_COEX_SET_ACK_PWR		= 0,	/* Change ACK power setting */
1138 	HAL_BT_COEX_LOWER_TX_PWR,		/* Change transmit power */
1139 	HAL_BT_COEX_ANTENNA_DIVERSITY,	/* Enable RX diversity for Kite */
1140 	HAL_BT_COEX_MCI_MAX_TX_PWR,	/* Set max tx power for concurrent tx */
1141 	HAL_BT_COEX_MCI_FTP_STOMP_RX,	/* Use a different weight for stomp low */
1142 } HAL_BT_COEX_SET_PARAMETER;
1143 
1144 #define	HAL_BT_COEX_FLAG_LOW_ACK_PWR	0x00000001
1145 #define	HAL_BT_COEX_FLAG_LOWER_TX_PWR	0x00000002
1146 /* Check Rx Diversity is allowed */
1147 #define	HAL_BT_COEX_FLAG_ANT_DIV_ALLOW	0x00000004
1148 /* Check Diversity is on or off */
1149 #define	HAL_BT_COEX_FLAG_ANT_DIV_ENABLE	0x00000008
1150 
1151 #define	HAL_BT_COEX_ANTDIV_CONTROL1_ENABLE	0x0b
1152 /* main: LNA1, alt: LNA2 */
1153 #define	HAL_BT_COEX_ANTDIV_CONTROL2_ENABLE	0x09
1154 #define	HAL_BT_COEX_ANTDIV_CONTROL1_FIXED_A	0x04
1155 #define	HAL_BT_COEX_ANTDIV_CONTROL2_FIXED_A	0x09
1156 #define	HAL_BT_COEX_ANTDIV_CONTROL1_FIXED_B	0x02
1157 #define	HAL_BT_COEX_ANTDIV_CONTROL2_FIXED_B	0x06
1158 
1159 #define	HAL_BT_COEX_ISOLATION_FOR_NO_COEX	30
1160 
1161 #define	HAL_BT_COEX_ANT_DIV_SWITCH_COM	0x66666666
1162 
1163 #define	HAL_BT_COEX_HELIUS_CHAINMASK	0x02
1164 
1165 #define	HAL_BT_COEX_LOW_ACK_POWER	0x0
1166 #define	HAL_BT_COEX_HIGH_ACK_POWER	0x3f3f3f
1167 
1168 typedef enum {
1169 	HAL_BT_COEX_NO_STOMP = 0,
1170 	HAL_BT_COEX_STOMP_ALL,
1171 	HAL_BT_COEX_STOMP_LOW,
1172 	HAL_BT_COEX_STOMP_NONE,
1173 	HAL_BT_COEX_STOMP_ALL_FORCE,
1174 	HAL_BT_COEX_STOMP_LOW_FORCE,
1175 } HAL_BT_COEX_STOMP_TYPE;
1176 
1177 typedef struct {
1178 	/* extend rx_clear after tx/rx to protect the burst (in usec). */
1179 	u_int8_t	bt_time_extend;
1180 
1181 	/*
1182 	 * extend rx_clear as long as txsm is
1183 	 * transmitting or waiting for ack.
1184 	 */
1185 	HAL_BOOL	bt_txstate_extend;
1186 
1187 	/*
1188 	 * extend rx_clear so that when tx_frame
1189 	 * is asserted, rx_clear will drop.
1190 	 */
1191 	HAL_BOOL	bt_txframe_extend;
1192 
1193 	/*
1194 	 * coexistence mode
1195 	 */
1196 	HAL_BT_COEX_MODE	bt_mode;
1197 
1198 	/*
1199 	 * treat BT high priority traffic as
1200 	 * a quiet collision
1201 	 */
1202 	HAL_BOOL	bt_quiet_collision;
1203 
1204 	/*
1205 	 * invert rx_clear as WLAN_ACTIVE
1206 	 */
1207 	HAL_BOOL	bt_rxclear_polarity;
1208 
1209 	/*
1210 	 * slotted mode only. indicate the time in usec
1211 	 * from the rising edge of BT_ACTIVE to the time
1212 	 * BT_PRIORITY can be sampled to indicate priority.
1213 	 */
1214 	u_int8_t	bt_priority_time;
1215 
1216 	/*
1217 	 * slotted mode only. indicate the time in usec
1218 	 * from the rising edge of BT_ACTIVE to the time
1219 	 * BT_PRIORITY can be sampled to indicate tx/rx and
1220 	 * BT_FREQ is sampled.
1221 	 */
1222 	u_int8_t	bt_first_slot_time;
1223 
1224 	/*
1225 	 * slotted mode only. rx_clear and bt_ant decision
1226 	 * will be held the entire time that BT_ACTIVE is asserted,
1227 	 * otherwise the decision is made before every slot boundry.
1228 	 */
1229 	HAL_BOOL	bt_hold_rxclear;
1230 } HAL_BT_COEX_CONFIG;
1231 
1232 struct hal_bb_panic_info {
1233 	u_int32_t	status;
1234 	u_int32_t	tsf;
1235 	u_int32_t	phy_panic_wd_ctl1;
1236 	u_int32_t	phy_panic_wd_ctl2;
1237 	u_int32_t	phy_gen_ctrl;
1238 	u_int32_t	rxc_pcnt;
1239 	u_int32_t	rxf_pcnt;
1240 	u_int32_t	txf_pcnt;
1241 	u_int32_t	cycles;
1242 	u_int32_t	wd;
1243 	u_int32_t	det;
1244 	u_int32_t	rdar;
1245 	u_int32_t	r_odfm;
1246 	u_int32_t	r_cck;
1247 	u_int32_t	t_odfm;
1248 	u_int32_t	t_cck;
1249 	u_int32_t	agc;
1250 	u_int32_t	src;
1251 };
1252 
1253 /* Serialize Register Access Mode */
1254 typedef enum {
1255 	SER_REG_MODE_OFF	= 0,
1256 	SER_REG_MODE_ON		= 1,
1257 	SER_REG_MODE_AUTO	= 2,
1258 } SER_REG_MODE;
1259 
1260 typedef struct
1261 {
1262 	int ah_debug;			/* only used if AH_DEBUG is defined */
1263 	int ah_ar5416_biasadj;		/* enable AR2133 radio specific bias fiddling */
1264 
1265 	/* NB: these are deprecated; they exist for now for compatibility */
1266 	int ah_dma_beacon_response_time;/* in TU's */
1267 	int ah_sw_beacon_response_time;	/* in TU's */
1268 	int ah_additional_swba_backoff;	/* in TU's */
1269 	int ah_force_full_reset;	/* force full chip reset rather then warm reset */
1270 	int ah_serialise_reg_war;	/* force serialisation of register IO */
1271 
1272 	/* XXX these don't belong here, they're just for the ar9300  HAL port effort */
1273 	int ath_hal_desc_tpc;		/* Per-packet TPC */
1274 	int ath_hal_sta_update_tx_pwr_enable;	/* GreenTX */
1275 	int ath_hal_sta_update_tx_pwr_enable_S1;	/* GreenTX */
1276 	int ath_hal_sta_update_tx_pwr_enable_S2;	/* GreenTX */
1277 	int ath_hal_sta_update_tx_pwr_enable_S3;	/* GreenTX */
1278 
1279 	/* I'm not sure what the default values for these should be */
1280 	int ath_hal_pll_pwr_save;
1281 	int ath_hal_pcie_power_save_enable;
1282 	int ath_hal_intr_mitigation_rx;
1283 	int ath_hal_intr_mitigation_tx;
1284 
1285 	int ath_hal_pcie_clock_req;
1286 #define	AR_PCIE_PLL_PWRSAVE_CONTROL	(1<<0)
1287 #define	AR_PCIE_PLL_PWRSAVE_ON_D3	(1<<1)
1288 #define	AR_PCIE_PLL_PWRSAVE_ON_D0	(1<<2)
1289 
1290 	int ath_hal_pcie_waen;
1291 	int ath_hal_pcie_ser_des_write;
1292 
1293 	/* these are important for correct AR9300 behaviour */
1294 	int ath_hal_ht_enable;		/* needs to be enabled for AR9300 HT */
1295 	int ath_hal_diversity_control;
1296 	int ath_hal_antenna_switch_swap;
1297 	int ath_hal_ext_lna_ctl_gpio;
1298 	int ath_hal_spur_mode;
1299 	int ath_hal_6mb_ack;		/* should set this to 1 for 11a/11na? */
1300 	int ath_hal_enable_msi;		/* enable MSI interrupts (needed?) */
1301 	int ath_hal_beacon_filter_interval;	/* ok to be 0 for now? */
1302 
1303 	/* For now, set this to 0 - net80211 needs to know about hardware MFP support */
1304 	int ath_hal_mfp_support;
1305 
1306 	int ath_hal_enable_ani;	/* should set this.. */
1307 	int ath_hal_cwm_ignore_ext_cca;
1308 	int ath_hal_show_bb_panic;
1309 	int ath_hal_ant_ctrl_comm2g_switch_enable;
1310 	int ath_hal_ext_atten_margin_cfg;
1311 	int ath_hal_min_gainidx;
1312 	int ath_hal_war70c;
1313 	uint32_t ath_hal_mci_config;
1314 } HAL_OPS_CONFIG;
1315 
1316 /*
1317  * Hardware Access Layer (HAL) API.
1318  *
1319  * Clients of the HAL call ath_hal_attach to obtain a reference to an
1320  * ath_hal structure for use with the device.  Hardware-related operations
1321  * that follow must call back into the HAL through interface, supplying
1322  * the reference as the first parameter.  Note that before using the
1323  * reference returned by ath_hal_attach the caller should verify the
1324  * ABI version number.
1325  */
1326 struct ath_hal {
1327 	uint32_t	ah_magic;	/* consistency check magic number */
1328 	uint16_t	ah_devid;	/* PCI device ID */
1329 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
1330 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
1331 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
1332 	HAL_BUS_HANDLE	ah_sh;
1333 	HAL_CTRY_CODE	ah_countryCode;
1334 
1335 	uint32_t	ah_macVersion;	/* MAC version id */
1336 	uint16_t	ah_macRev;	/* MAC revision */
1337 	uint16_t	ah_phyRev;	/* PHY revision */
1338 	/* NB: when only one radio is present the rev is in 5Ghz */
1339 	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
1340 	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
1341 
1342 	uint16_t	*ah_eepromdata;	/* eeprom buffer, if needed */
1343 
1344 	uint32_t	ah_intrstate[8];	/* last int state */
1345 	uint32_t	ah_syncstate;		/* last sync intr state */
1346 
1347 	/* Current powerstate from HAL calls */
1348 	HAL_POWER_MODE	ah_powerMode;
1349 
1350 	HAL_OPS_CONFIG ah_config;
1351 	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
1352 				u_int mode);
1353 	void	  __ahdecl(*ah_detach)(struct ath_hal*);
1354 
1355 	/* Reset functions */
1356 	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
1357 				struct ieee80211_channel *,
1358 				HAL_BOOL bChannelChange,
1359 				HAL_RESET_TYPE resetType,
1360 				HAL_STATUS *status);
1361 	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
1362 	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
1363 	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore,
1364 				HAL_BOOL power_off);
1365 	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
1366 	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
1367 	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*,
1368 			struct ieee80211_channel *, HAL_BOOL *);
1369 	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *,
1370 			struct ieee80211_channel *, u_int chainMask,
1371 			HAL_BOOL longCal, HAL_BOOL *isCalDone);
1372 	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *,
1373 			const struct ieee80211_channel *);
1374 	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
1375 	    		const struct ieee80211_channel *, uint16_t *);
1376 	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
1377 	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
1378 	    		const struct ieee80211_channel *);
1379 
1380 	/* Transmit functions */
1381 	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
1382 				HAL_BOOL incTrigLevel);
1383 	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
1384 				const HAL_TXQ_INFO *qInfo);
1385 	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
1386 				const HAL_TXQ_INFO *qInfo);
1387 	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
1388 				HAL_TXQ_INFO *qInfo);
1389 	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
1390 	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
1391 	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
1392 	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
1393 	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
1394 	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
1395 	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
1396 	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
1397 				u_int pktLen, u_int hdrLen,
1398 				HAL_PKT_TYPE type, u_int txPower,
1399 				u_int txRate0, u_int txTries0,
1400 				u_int keyIx, u_int antMode, u_int flags,
1401 				u_int rtsctsRate, u_int rtsctsDuration,
1402 				u_int compicvLen, u_int compivLen,
1403 				u_int comp);
1404 	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
1405 				u_int txRate1, u_int txTries1,
1406 				u_int txRate2, u_int txTries2,
1407 				u_int txRate3, u_int txTries3);
1408 	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
1409 				HAL_DMA_ADDR *bufAddrList, uint32_t *segLenList,
1410 				u_int descId, u_int qcuId, HAL_BOOL firstSeg,
1411 				HAL_BOOL lastSeg, const struct ath_desc *);
1412 	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
1413 				struct ath_desc *, struct ath_tx_status *);
1414 	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
1415 	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
1416 	HAL_BOOL	__ahdecl(*ah_getTxCompletionRates)(struct ath_hal *,
1417 				const struct ath_desc *ds, int *rates, int *tries);
1418 	void	  __ahdecl(*ah_setTxDescLink)(struct ath_hal *ah, void *ds,
1419 				uint32_t link);
1420 	void	  __ahdecl(*ah_getTxDescLink)(struct ath_hal *ah, void *ds,
1421 				uint32_t *link);
1422 	void	  __ahdecl(*ah_getTxDescLinkPtr)(struct ath_hal *ah, void *ds,
1423 				uint32_t **linkptr);
1424 	void	  __ahdecl(*ah_setupTxStatusRing)(struct ath_hal *,
1425 				void *ts_start, uint32_t ts_paddr_start,
1426 				uint16_t size);
1427 	void	  __ahdecl(*ah_getTxRawTxDesc)(struct ath_hal *, u_int32_t *);
1428 
1429 	/* Receive Functions */
1430 	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*, HAL_RX_QUEUE);
1431 	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp, HAL_RX_QUEUE);
1432 	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
1433 	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
1434 	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*);
1435 	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
1436 	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
1437 				uint32_t filter0, uint32_t filter1);
1438 	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
1439 				uint32_t index);
1440 	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
1441 				uint32_t index);
1442 	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
1443 	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
1444 	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
1445 				uint32_t size, u_int flags);
1446 	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
1447 				struct ath_desc *, uint32_t phyAddr,
1448 				struct ath_desc *next, uint64_t tsf,
1449 				struct ath_rx_status *);
1450 	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
1451 				const HAL_NODE_STATS *,
1452 				const struct ieee80211_channel *);
1453 	void      __ahdecl(*ah_aniPoll)(struct ath_hal *,
1454 				const struct ieee80211_channel *);
1455 	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
1456 				const HAL_NODE_STATS *);
1457 
1458 	/* Misc Functions */
1459 	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
1460 				HAL_CAPABILITY_TYPE, uint32_t capability,
1461 				uint32_t *result);
1462 	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
1463 				HAL_CAPABILITY_TYPE, uint32_t capability,
1464 				uint32_t setting, HAL_STATUS *);
1465 	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
1466 				const void *args, uint32_t argsize,
1467 				void **result, uint32_t *resultsize);
1468 	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
1469 	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
1470 	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
1471 	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
1472 	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
1473 				uint16_t, HAL_STATUS *);
1474 	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
1475 	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
1476 				const uint8_t *bssid, uint16_t assocId);
1477 	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
1478 				uint32_t gpio, HAL_GPIO_MUX_TYPE);
1479 	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
1480 	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
1481 	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
1482 				uint32_t gpio, uint32_t val);
1483 	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
1484 	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
1485 	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
1486 	void     __ahdecl(*ah_setTsf64)(struct ath_hal *, uint64_t);
1487 	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
1488 	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
1489 	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
1490 				HAL_MIB_STATS*);
1491 	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
1492 	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
1493 	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
1494 	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
1495 	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
1496 				HAL_ANT_SETTING);
1497 	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
1498 	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
1499 	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
1500 	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
1501 	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
1502 	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
1503 	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
1504 	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
1505 	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
1506 	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
1507 	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
1508 	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
1509 	HAL_STATUS	__ahdecl(*ah_setQuiet)(struct ath_hal *ah, uint32_t period,
1510 				uint32_t duration, uint32_t nextStart,
1511 				HAL_QUIET_FLAG flag);
1512 	void	  __ahdecl(*ah_setChainMasks)(struct ath_hal *,
1513 				uint32_t, uint32_t);
1514 
1515 	/* DFS functions */
1516 	void	  __ahdecl(*ah_enableDfs)(struct ath_hal *ah,
1517 				HAL_PHYERR_PARAM *pe);
1518 	void	  __ahdecl(*ah_getDfsThresh)(struct ath_hal *ah,
1519 				HAL_PHYERR_PARAM *pe);
1520 	HAL_BOOL  __ahdecl(*ah_getDfsDefaultThresh)(struct ath_hal *ah,
1521 				HAL_PHYERR_PARAM *pe);
1522 	HAL_BOOL  __ahdecl(*ah_procRadarEvent)(struct ath_hal *ah,
1523 				struct ath_rx_status *rxs, uint64_t fulltsf,
1524 				const char *buf, HAL_DFS_EVENT *event);
1525 	HAL_BOOL  __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
1526 
1527 	/* Spectral Scan functions */
1528 	void	__ahdecl(*ah_spectralConfigure)(struct ath_hal *ah,
1529 				HAL_SPECTRAL_PARAM *sp);
1530 	void	__ahdecl(*ah_spectralGetConfig)(struct ath_hal *ah,
1531 				HAL_SPECTRAL_PARAM *sp);
1532 	void	__ahdecl(*ah_spectralStart)(struct ath_hal *);
1533 	void	__ahdecl(*ah_spectralStop)(struct ath_hal *);
1534 	HAL_BOOL	__ahdecl(*ah_spectralIsEnabled)(struct ath_hal *);
1535 	HAL_BOOL	__ahdecl(*ah_spectralIsActive)(struct ath_hal *);
1536 	/* XXX getNfPri() and getNfExt() */
1537 
1538 	/* Key Cache Functions */
1539 	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
1540 	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
1541 	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
1542 				uint16_t);
1543 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
1544 				uint16_t, const HAL_KEYVAL *,
1545 				const uint8_t *, int);
1546 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
1547 				uint16_t, const uint8_t *);
1548 
1549 	/* Power Management Functions */
1550 	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
1551 				HAL_POWER_MODE mode, int setChip);
1552 	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
1553 	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *,
1554 				const struct ieee80211_channel *);
1555 
1556 	/* Beacon Management Functions */
1557 	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
1558 				const HAL_BEACON_TIMERS *);
1559 	/* NB: deprecated, use ah_setBeaconTimers instead */
1560 	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
1561 				uint32_t nexttbtt, uint32_t intval);
1562 	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
1563 				const HAL_BEACON_STATE *);
1564 	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
1565 	uint64_t  __ahdecl(*ah_getNextTBTT)(struct ath_hal *);
1566 
1567 	/* 802.11n Functions */
1568 	HAL_BOOL  __ahdecl(*ah_chainTxDesc)(struct ath_hal *,
1569 				struct ath_desc *,
1570 				HAL_DMA_ADDR *bufAddrList,
1571 				uint32_t *segLenList,
1572 				u_int, u_int, HAL_PKT_TYPE,
1573 				u_int, HAL_CIPHER, uint8_t, HAL_BOOL,
1574 				HAL_BOOL, HAL_BOOL);
1575 	HAL_BOOL  __ahdecl(*ah_setupFirstTxDesc)(struct ath_hal *,
1576 				struct ath_desc *, u_int, u_int, u_int,
1577 				u_int, u_int, u_int, u_int, u_int);
1578 	HAL_BOOL  __ahdecl(*ah_setupLastTxDesc)(struct ath_hal *,
1579 				struct ath_desc *, const struct ath_desc *);
1580 	void	  __ahdecl(*ah_set11nRateScenario)(struct ath_hal *,
1581 	    			struct ath_desc *, u_int, u_int,
1582 				HAL_11N_RATE_SERIES [], u_int, u_int);
1583 
1584 	/*
1585 	 * The next 4 (set11ntxdesc -> set11naggrlast) are specific
1586 	 * to the EDMA HAL.  Descriptors are chained together by
1587 	 * using filltxdesc (not ChainTxDesc) and then setting the
1588 	 * aggregate flags appropriately using first/middle/last.
1589 	 */
1590 	void	  __ahdecl(*ah_set11nTxDesc)(struct ath_hal *,
1591 				void *, u_int, HAL_PKT_TYPE, u_int, u_int,
1592 				u_int);
1593 	void	  __ahdecl(*ah_set11nAggrFirst)(struct ath_hal *,
1594 				struct ath_desc *, u_int, u_int);
1595 	void	  __ahdecl(*ah_set11nAggrMiddle)(struct ath_hal *,
1596 	    			struct ath_desc *, u_int);
1597 	void	  __ahdecl(*ah_set11nAggrLast)(struct ath_hal *,
1598 				struct ath_desc *);
1599 	void	  __ahdecl(*ah_clr11nAggr)(struct ath_hal *,
1600 	    			struct ath_desc *);
1601 	void	  __ahdecl(*ah_set11nBurstDuration)(struct ath_hal *,
1602 	    			struct ath_desc *, u_int);
1603 	void	  __ahdecl(*ah_set11nVirtMoreFrag)(struct ath_hal *,
1604 				struct ath_desc *, u_int);
1605 
1606 	HAL_BOOL  __ahdecl(*ah_getMibCycleCounts) (struct ath_hal *,
1607 				HAL_SURVEY_SAMPLE *);
1608 
1609 	uint32_t  __ahdecl(*ah_get11nExtBusy)(struct ath_hal *);
1610 	void      __ahdecl(*ah_set11nMac2040)(struct ath_hal *,
1611 				HAL_HT_MACMODE);
1612 	HAL_HT_RXCLEAR __ahdecl(*ah_get11nRxClear)(struct ath_hal *ah);
1613 	void	  __ahdecl(*ah_set11nRxClear)(struct ath_hal *,
1614 	    			HAL_HT_RXCLEAR);
1615 
1616 	/* Interrupt functions */
1617 	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
1618 	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
1619 	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
1620 	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
1621 
1622 	/* Bluetooth Coexistence functions */
1623 	void	    __ahdecl(*ah_btCoexSetInfo)(struct ath_hal *,
1624 				HAL_BT_COEX_INFO *);
1625 	void	    __ahdecl(*ah_btCoexSetConfig)(struct ath_hal *,
1626 				HAL_BT_COEX_CONFIG *);
1627 	void	    __ahdecl(*ah_btCoexSetQcuThresh)(struct ath_hal *,
1628 				int);
1629 	void	    __ahdecl(*ah_btCoexSetWeights)(struct ath_hal *,
1630 				uint32_t);
1631 	void	    __ahdecl(*ah_btCoexSetBmissThresh)(struct ath_hal *,
1632 				uint32_t);
1633 	void	    __ahdecl(*ah_btCoexSetParameter)(struct ath_hal *,
1634 				uint32_t, uint32_t);
1635 	void	    __ahdecl(*ah_btCoexDisable)(struct ath_hal *);
1636 	int	    __ahdecl(*ah_btCoexEnable)(struct ath_hal *);
1637 
1638 	/* Bluetooth MCI methods */
1639 	void	    __ahdecl(*ah_btMciSetup)(struct ath_hal *,
1640 				uint32_t, void *, uint16_t, uint32_t);
1641 	HAL_BOOL    __ahdecl(*ah_btMciSendMessage)(struct ath_hal *,
1642 				uint8_t, uint32_t, uint32_t *, uint8_t,
1643 				HAL_BOOL, HAL_BOOL);
1644 	uint32_t    __ahdecl(*ah_btMciGetInterrupt)(struct ath_hal *,
1645 				uint32_t *, uint32_t *);
1646 	uint32_t    __ahdecl(*ah_btMciGetState)(struct ath_hal *,
1647 				uint32_t, uint32_t *);
1648 	void	    __ahdecl(*ah_btMciDetach)(struct ath_hal *);
1649 
1650 	/* LNA diversity configuration */
1651 	void	    __ahdecl(*ah_divLnaConfGet)(struct ath_hal *,
1652 				HAL_ANT_COMB_CONFIG *);
1653 	void	    __ahdecl(*ah_divLnaConfSet)(struct ath_hal *,
1654 				HAL_ANT_COMB_CONFIG *);
1655 };
1656 
1657 /*
1658  * Check the PCI vendor ID and device ID against Atheros' values
1659  * and return a printable description for any Atheros hardware.
1660  * AH_NULL is returned if the ID's do not describe Atheros hardware.
1661  */
1662 extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
1663 
1664 /*
1665  * Attach the HAL for use with the specified device.  The device is
1666  * defined by the PCI device ID.  The caller provides an opaque pointer
1667  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
1668  * HAL state block for later use.  Hardware register accesses are done
1669  * using the specified bus tag and handle.  On successful return a
1670  * reference to a state block is returned that must be supplied in all
1671  * subsequent HAL calls.  Storage associated with this reference is
1672  * dynamically allocated and must be freed by calling the ah_detach
1673  * method when the client is done.  If the attach operation fails a
1674  * null (AH_NULL) reference will be returned and a status code will
1675  * be returned if the status parameter is non-zero.
1676  */
1677 extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
1678 		HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata,
1679 		HAL_OPS_CONFIG *ah_config, HAL_STATUS* status);
1680 
1681 extern	const char *ath_hal_mac_name(struct ath_hal *);
1682 extern	const char *ath_hal_rf_name(struct ath_hal *);
1683 
1684 /*
1685  * Regulatory interfaces.  Drivers should use ath_hal_init_channels to
1686  * request a set of channels for a particular country code and/or
1687  * regulatory domain.  If CTRY_DEFAULT and SKU_NONE are specified then
1688  * this list is constructed according to the contents of the EEPROM.
1689  * ath_hal_getchannels acts similarly but does not alter the operating
1690  * state; this can be used to collect information for a particular
1691  * regulatory configuration.  Finally ath_hal_set_channels installs a
1692  * channel list constructed outside the driver.  The HAL will adopt the
1693  * channel list and setup internal state according to the specified
1694  * regulatory configuration (e.g. conformance test limits).
1695  *
1696  * For all interfaces the channel list is returned in the supplied array.
1697  * maxchans defines the maximum size of this array.  nchans contains the
1698  * actual number of channels returned.  If a problem occurred then a
1699  * status code != HAL_OK is returned.
1700  */
1701 struct ieee80211_channel;
1702 
1703 /*
1704  * Return a list of channels according to the specified regulatory.
1705  */
1706 extern	HAL_STATUS __ahdecl ath_hal_getchannels(struct ath_hal *,
1707     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1708     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn,
1709     HAL_BOOL enableExtendedChannels);
1710 
1711 /*
1712  * Return a list of channels and install it as the current operating
1713  * regulatory list.
1714  */
1715 extern	HAL_STATUS __ahdecl ath_hal_init_channels(struct ath_hal *,
1716     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1717     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN rd,
1718     HAL_BOOL enableExtendedChannels);
1719 
1720 /*
1721  * Install the list of channels as the current operating regulatory
1722  * and setup related state according to the country code and sku.
1723  */
1724 extern	HAL_STATUS __ahdecl ath_hal_set_channels(struct ath_hal *,
1725     struct ieee80211_channel *chans, int nchans,
1726     HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn);
1727 
1728 /*
1729  * Fetch the ctl/ext noise floor values reported by a MIMO
1730  * radio. Returns 1 for valid results, 0 for invalid channel.
1731  */
1732 extern int __ahdecl ath_hal_get_mimo_chan_noise(struct ath_hal *ah,
1733     const struct ieee80211_channel *chan, int16_t *nf_ctl,
1734     int16_t *nf_ext);
1735 
1736 /*
1737  * Calibrate noise floor data following a channel scan or similar.
1738  * This must be called prior retrieving noise floor data.
1739  */
1740 extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
1741 
1742 /*
1743  * Return bit mask of wireless modes supported by the hardware.
1744  */
1745 extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
1746 
1747 /*
1748  * Get the HAL wireless mode for the given channel.
1749  */
1750 extern	int ath_hal_get_curmode(struct ath_hal *ah,
1751     const struct ieee80211_channel *chan);
1752 
1753 /*
1754  * Calculate the packet TX time for a legacy or 11n frame
1755  */
1756 extern uint32_t __ahdecl ath_hal_pkt_txtime(struct ath_hal *ah,
1757     const HAL_RATE_TABLE *rates, uint32_t frameLen,
1758     uint16_t rateix, HAL_BOOL isht40, HAL_BOOL shortPreamble);
1759 
1760 /*
1761  * Calculate the duration of an 11n frame.
1762  */
1763 extern uint32_t __ahdecl ath_computedur_ht(uint32_t frameLen, uint16_t rate,
1764     int streams, HAL_BOOL isht40, HAL_BOOL isShortGI);
1765 
1766 /*
1767  * Calculate the transmit duration of a legacy frame.
1768  */
1769 extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
1770 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
1771 		uint16_t rateix, HAL_BOOL shortPreamble);
1772 
1773 /*
1774  * Adjust the TSF.
1775  */
1776 extern void __ahdecl ath_hal_adjusttsf(struct ath_hal *ah, int32_t tsfdelta);
1777 
1778 /*
1779  * Enable or disable CCA.
1780  */
1781 void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
1782 
1783 /*
1784  * Get CCA setting.
1785  */
1786 int __ahdecl ath_hal_getcca(struct ath_hal *ah);
1787 
1788 /*
1789  * Read EEPROM data from ah_eepromdata
1790  */
1791 HAL_BOOL __ahdecl ath_hal_EepromDataRead(struct ath_hal *ah,
1792 		u_int off, uint16_t *data);
1793 
1794 /*
1795  * For now, simply pass through MFP frames.
1796  */
1797 static inline u_int32_t
1798 ath_hal_get_mfp_qos(struct ath_hal *ah)
1799 {
1800 	//return AH_PRIVATE(ah)->ah_mfp_qos;
1801 	return HAL_MFP_QOSDATA;
1802 }
1803 
1804 #endif /* _ATH_AH_H_ */
1805