xref: /freebsd/sys/dev/ath/ath_hal/ah.h (revision 7778ab7e0cc22f0824eb1d1047a7ef8b4785267a)
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_MIMO_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_STATUS;
77 
78 typedef enum {
79 	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
80 	AH_TRUE  = 1,
81 } HAL_BOOL;
82 
83 typedef enum {
84 	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
85 	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
86 	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
87 	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
88 	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
89 	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
90 	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
91 	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
92 	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
93 	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll support */
94 	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
95 	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
96 	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
97 	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
98 	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
99 	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
100 	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
101 	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
102 	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
103 	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
104 	/* 21 was HAL_CAP_XR */
105 	HAL_CAP_WME_TKIPMIC 	= 22,   /* hardware can support TKIP MIC when WMM is turned on */
106 	/* 23 was HAL_CAP_CHAN_HALFRATE */
107 	/* 24 was HAL_CAP_CHAN_QUARTERRATE */
108 	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
109 	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
110 	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
111 	HAL_CAP_11D		= 28,   /* 11d beacon support for changing cc */
112 
113 	HAL_CAP_HT		= 30,   /* hardware can support HT */
114 	HAL_CAP_GTXTO		= 31,	/* hardware supports global tx timeout */
115 	HAL_CAP_FAST_CC		= 32,	/* hardware supports fast channel change */
116 	HAL_CAP_TX_CHAINMASK	= 33,	/* mask of TX chains supported */
117 	HAL_CAP_RX_CHAINMASK	= 34,	/* mask of RX chains supported */
118 	HAL_CAP_NUM_GPIO_PINS	= 36,	/* number of GPIO pins */
119 
120 	HAL_CAP_CST		= 38,	/* hardware supports carrier sense timeout */
121 
122 	HAL_CAP_RTS_AGGR_LIMIT	= 42,	/* aggregation limit with RTS */
123 	HAL_CAP_4ADDR_AGGR	= 43,	/* hardware is capable of 4addr aggregation */
124 	HAL_CAP_DFS_DMN		= 44,	/* current DFS domain */
125 	HAL_CAP_EXT_CHAN_DFS	= 45,	/* DFS support for extension channel */
126 	HAL_CAP_COMBINED_RADAR_RSSI	= 46,	/* Is combined RSSI for radar accurate */
127 
128 	HAL_CAP_AUTO_SLEEP	= 48,	/* hardware can go to network sleep
129 					   automatically after waking up to receive TIM */
130 	HAL_CAP_MBSSID_AGGR_SUPPORT	= 49, /* Support for mBSSID Aggregation */
131 	HAL_CAP_SPLIT_4KB_TRANS	= 50,	/* hardware supports descriptors straddling a 4k page boundary */
132 	HAL_CAP_REG_FLAG	= 51,	/* Regulatory domain flags */
133 
134 	HAL_CAP_BT_COEX		= 60,	/* hardware is capable of bluetooth coexistence */
135 
136 	HAL_CAP_HT20_SGI	= 96,	/* hardware supports HT20 short GI */
137 
138 	HAL_CAP_RXTSTAMP_PREC	= 100,	/* rx desc tstamp precision (bits) */
139 	HAL_CAP_ENHANCED_DFS_SUPPORT	= 117,	/* hardware supports enhanced DFS */
140 
141 	/* The following are private to the FreeBSD HAL (224 onward) */
142 
143 	HAL_CAP_INTMIT		= 229,	/* interference mitigation */
144 	HAL_CAP_RXORN_FATAL	= 230,	/* HAL_INT_RXORN treated as fatal */
145 	HAL_CAP_BB_HANG		= 235,	/* can baseband hang */
146 	HAL_CAP_MAC_HANG	= 236,	/* can MAC hang */
147 	HAL_CAP_INTRMASK	= 237,	/* bitmask of supported interrupts */
148 	HAL_CAP_BSSIDMATCH	= 238,	/* hardware has disable bssid match */
149 	HAL_CAP_STREAMS		= 239,	/* how many 802.11n spatial streams are available */
150 	HAL_CAP_RXDESC_SELFLINK	= 242,	/* support a self-linked tail RX descriptor */
151 	HAL_CAP_LONG_RXDESC_TSF	= 243,	/* hardware supports 32bit TSF in RX descriptor */
152 } HAL_CAPABILITY_TYPE;
153 
154 /*
155  * "States" for setting the LED.  These correspond to
156  * the possible 802.11 operational states and there may
157  * be a many-to-one mapping between these states and the
158  * actual hardware state for the LED's (i.e. the hardware
159  * may have fewer states).
160  */
161 typedef enum {
162 	HAL_LED_INIT	= 0,
163 	HAL_LED_SCAN	= 1,
164 	HAL_LED_AUTH	= 2,
165 	HAL_LED_ASSOC	= 3,
166 	HAL_LED_RUN	= 4
167 } HAL_LED_STATE;
168 
169 /*
170  * Transmit queue types/numbers.  These are used to tag
171  * each transmit queue in the hardware and to identify a set
172  * of transmit queues for operations such as start/stop dma.
173  */
174 typedef enum {
175 	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
176 	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
177 	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
178 	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
179 	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
180 	HAL_TX_QUEUE_PSPOLL	= 5,		/* power save poll xmit q */
181 } HAL_TX_QUEUE;
182 
183 #define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
184 
185 /*
186  * Transmit queue subtype.  These map directly to
187  * WME Access Categories (except for UPSD).  Refer
188  * to Table 5 of the WME spec.
189  */
190 typedef enum {
191 	HAL_WME_AC_BK	= 0,			/* background access category */
192 	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
193 	HAL_WME_AC_VI	= 2,			/* video access category */
194 	HAL_WME_AC_VO	= 3,			/* voice access category */
195 	HAL_WME_UPSD	= 4,			/* uplink power save */
196 } HAL_TX_QUEUE_SUBTYPE;
197 
198 /*
199  * Transmit queue flags that control various
200  * operational parameters.
201  */
202 typedef enum {
203 	/*
204 	 * Per queue interrupt enables.  When set the associated
205 	 * interrupt may be delivered for packets sent through
206 	 * the queue.  Without these enabled no interrupts will
207 	 * be delivered for transmits through the queue.
208 	 */
209 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
210 	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
211 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
212 	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
213 	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
214 	/*
215 	 * Enable hardware compression for packets sent through
216 	 * the queue.  The compression buffer must be setup and
217 	 * packets must have a key entry marked in the tx descriptor.
218 	 */
219 	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
220 	/*
221 	 * Disable queue when veol is hit or ready time expires.
222 	 * By default the queue is disabled only on reaching the
223 	 * physical end of queue (i.e. a null link ptr in the
224 	 * descriptor chain).
225 	 */
226 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
227 	/*
228 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
229 	 * event.  Frames will be transmitted only when this timer
230 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
231 	 */
232 	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
233 	/*
234 	 * Each transmit queue has a counter that is incremented
235 	 * each time the queue is enabled and decremented when
236 	 * the list of frames to transmit is traversed (or when
237 	 * the ready time for the queue expires).  This counter
238 	 * must be non-zero for frames to be scheduled for
239 	 * transmission.  The following controls disable bumping
240 	 * this counter under certain conditions.  Typically this
241 	 * is used to gate frames based on the contents of another
242 	 * queue (e.g. CAB traffic may only follow a beacon frame).
243 	 * These are meaningful only when frames are scheduled
244 	 * with a non-ASAP policy (e.g. DBA-gated).
245 	 */
246 	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
247 	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
248 
249 	/*
250 	 * Fragment burst backoff policy.  Normally the no backoff
251 	 * is done after a successful transmission, the next fragment
252 	 * is sent at SIFS.  If this flag is set backoff is done
253 	 * after each fragment, regardless whether it was ack'd or
254 	 * not, after the backoff count reaches zero a normal channel
255 	 * access procedure is done before the next transmit (i.e.
256 	 * wait AIFS instead of SIFS).
257 	 */
258 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
259 	/*
260 	 * Disable post-tx backoff following each frame.
261 	 */
262 	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
263 	/*
264 	 * DCU arbiter lockout control.  This controls how
265 	 * lower priority tx queues are handled with respect to
266 	 * to a specific queue when multiple queues have frames
267 	 * to send.  No lockout means lower priority queues arbitrate
268 	 * concurrently with this queue.  Intra-frame lockout
269 	 * means lower priority queues are locked out until the
270 	 * current frame transmits (e.g. including backoffs and bursting).
271 	 * Global lockout means nothing lower can arbitrary so
272 	 * long as there is traffic activity on this queue (frames,
273 	 * backoff, etc).
274 	 */
275 	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
276 	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
277 
278 	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
279 	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
280 } HAL_TX_QUEUE_FLAGS;
281 
282 typedef struct {
283 	uint32_t	tqi_ver;		/* hal TXQ version */
284 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
285 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
286 	uint32_t	tqi_priority;		/* (not used) */
287 	uint32_t	tqi_aifs;		/* aifs */
288 	uint32_t	tqi_cwmin;		/* cwMin */
289 	uint32_t	tqi_cwmax;		/* cwMax */
290 	uint16_t	tqi_shretry;		/* rts retry limit */
291 	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
292 	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
293 	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
294 	uint32_t	tqi_burstTime;		/* max burst duration (us) */
295 	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
296 	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
297 } HAL_TXQ_INFO;
298 
299 #define HAL_TQI_NONVAL 0xffff
300 
301 /* token to use for aifs, cwmin, cwmax */
302 #define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
303 
304 /* compression definitions */
305 #define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
306 #define HAL_COMP_BUF_ALIGN_SIZE         512
307 
308 /*
309  * Transmit packet types.  This belongs in ah_desc.h, but
310  * is here so we can give a proper type to various parameters
311  * (and not require everyone include the file).
312  *
313  * NB: These values are intentionally assigned for
314  *     direct use when setting up h/w descriptors.
315  */
316 typedef enum {
317 	HAL_PKT_TYPE_NORMAL	= 0,
318 	HAL_PKT_TYPE_ATIM	= 1,
319 	HAL_PKT_TYPE_PSPOLL	= 2,
320 	HAL_PKT_TYPE_BEACON	= 3,
321 	HAL_PKT_TYPE_PROBE_RESP	= 4,
322 	HAL_PKT_TYPE_CHIRP	= 5,
323 	HAL_PKT_TYPE_GRP_POLL	= 6,
324 	HAL_PKT_TYPE_AMPDU	= 7,
325 } HAL_PKT_TYPE;
326 
327 /* Rx Filter Frame Types */
328 typedef enum {
329 	/*
330 	 * These bits correspond to AR_RX_FILTER for all chips.
331 	 * Not all bits are supported by all chips.
332 	 */
333 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
334 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
335 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
336 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
337 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
338 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
339 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
340 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
341 	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
342 	HAL_RX_FILTER_COMP_BA	= 0x00000800,	/* Allow compressed blockack */
343 	HAL_RX_FILTER_PHYRADAR	= 0x00002000,	/* Allow phy radar errors */
344 	HAL_RX_FILTER_PSPOLL	= 0x00004000,	/* Allow PS-POLL frames */
345 	HAL_RX_FILTER_MCAST_BCAST_ALL	= 0x00008000,
346 						/* Allow all mcast/bcast frames */
347 
348 	/*
349 	 * Magic RX filter flags that aren't targetting hardware bits
350 	 * but instead the HAL sets individual bits - eg PHYERR will result
351 	 * in OFDM/CCK timing error frames being received.
352 	 */
353 	HAL_RX_FILTER_BSSID	= 0x40000000,	/* Disable BSSID match */
354 } HAL_RX_FILTER;
355 
356 typedef enum {
357 	HAL_PM_AWAKE		= 0,
358 	HAL_PM_FULL_SLEEP	= 1,
359 	HAL_PM_NETWORK_SLEEP	= 2,
360 	HAL_PM_UNDEFINED	= 3
361 } HAL_POWER_MODE;
362 
363 /*
364  * NOTE WELL:
365  * These are mapped to take advantage of the common locations for many of
366  * the bits on all of the currently supported MAC chips. This is to make
367  * the ISR as efficient as possible, while still abstracting HW differences.
368  * When new hardware breaks this commonality this enumerated type, as well
369  * as the HAL functions using it, must be modified. All values are directly
370  * mapped unless commented otherwise.
371  */
372 typedef enum {
373 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
374 	HAL_INT_RXDESC	= 0x00000002,
375 	HAL_INT_RXNOFRM	= 0x00000008,
376 	HAL_INT_RXEOL	= 0x00000010,
377 	HAL_INT_RXORN	= 0x00000020,
378 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
379 	HAL_INT_TXDESC	= 0x00000080,
380 	HAL_INT_TIM_TIMER= 0x00000100,
381 	HAL_INT_TXURN	= 0x00000800,
382 	HAL_INT_MIB	= 0x00001000,
383 	HAL_INT_RXPHY	= 0x00004000,
384 	HAL_INT_RXKCM	= 0x00008000,
385 	HAL_INT_SWBA	= 0x00010000,
386 	HAL_INT_BMISS	= 0x00040000,
387 	HAL_INT_BNR	= 0x00100000,
388 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
389 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
390 	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
391 	HAL_INT_GPIO	= 0x01000000,
392 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
393 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
394 	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
395 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
396 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
397 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
398 #define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
399 	HAL_INT_BMISC	= HAL_INT_TIM
400 			| HAL_INT_DTIM
401 			| HAL_INT_DTIMSYNC
402 			| HAL_INT_CABEND
403 			| HAL_INT_TBTT,
404 
405 	/* Interrupt bits that map directly to ISR/IMR bits */
406 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
407 			| HAL_INT_RXDESC
408 			| HAL_INT_RXEOL
409 			| HAL_INT_RXORN
410 			| HAL_INT_TXDESC
411 			| HAL_INT_TXURN
412 			| HAL_INT_MIB
413 			| HAL_INT_RXPHY
414 			| HAL_INT_RXKCM
415 			| HAL_INT_SWBA
416 			| HAL_INT_BMISS
417 			| HAL_INT_BNR
418 			| HAL_INT_GPIO,
419 } HAL_INT;
420 
421 typedef enum {
422 	HAL_GPIO_MUX_OUTPUT		= 0,
423 	HAL_GPIO_MUX_PCIE_ATTENTION_LED	= 1,
424 	HAL_GPIO_MUX_PCIE_POWER_LED	= 2,
425 	HAL_GPIO_MUX_TX_FRAME		= 3,
426 	HAL_GPIO_MUX_RX_CLEAR_EXTERNAL	= 4,
427 	HAL_GPIO_MUX_MAC_NETWORK_LED	= 5,
428 	HAL_GPIO_MUX_MAC_POWER_LED	= 6
429 } HAL_GPIO_MUX_TYPE;
430 
431 typedef enum {
432 	HAL_GPIO_INTR_LOW		= 0,
433 	HAL_GPIO_INTR_HIGH		= 1,
434 	HAL_GPIO_INTR_DISABLE		= 2
435 } HAL_GPIO_INTR_TYPE;
436 
437 typedef enum {
438 	HAL_RFGAIN_INACTIVE		= 0,
439 	HAL_RFGAIN_READ_REQUESTED	= 1,
440 	HAL_RFGAIN_NEED_CHANGE		= 2
441 } HAL_RFGAIN;
442 
443 typedef uint16_t HAL_CTRY_CODE;		/* country code */
444 typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
445 
446 #define HAL_ANTENNA_MIN_MODE  0
447 #define HAL_ANTENNA_FIXED_A   1
448 #define HAL_ANTENNA_FIXED_B   2
449 #define HAL_ANTENNA_MAX_MODE  3
450 
451 typedef struct {
452 	uint32_t	ackrcv_bad;
453 	uint32_t	rts_bad;
454 	uint32_t	rts_good;
455 	uint32_t	fcs_bad;
456 	uint32_t	beacons;
457 } HAL_MIB_STATS;
458 
459 enum {
460 	HAL_MODE_11A	= 0x001,		/* 11a channels */
461 	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
462 	HAL_MODE_11B	= 0x004,		/* 11b channels */
463 	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
464 #ifdef notdef
465 	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
466 #else
467 	HAL_MODE_11G	= 0x008,		/* XXX historical */
468 #endif
469 	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
470 	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
471 	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
472 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
473 	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
474 	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
475 	HAL_MODE_11NG_HT20	= 0x008000,
476 	HAL_MODE_11NA_HT20  	= 0x010000,
477 	HAL_MODE_11NG_HT40PLUS	= 0x020000,
478 	HAL_MODE_11NG_HT40MINUS	= 0x040000,
479 	HAL_MODE_11NA_HT40PLUS	= 0x080000,
480 	HAL_MODE_11NA_HT40MINUS	= 0x100000,
481 	HAL_MODE_ALL	= 0xffffff
482 };
483 
484 typedef struct {
485 	int		rateCount;		/* NB: for proper padding */
486 	uint8_t		rateCodeToIndex[144];	/* back mapping */
487 	struct {
488 		uint8_t		valid;		/* valid for rate control use */
489 		uint8_t		phy;		/* CCK/OFDM/XR */
490 		uint32_t	rateKbps;	/* transfer rate in kbs */
491 		uint8_t		rateCode;	/* rate for h/w descriptors */
492 		uint8_t		shortPreamble;	/* mask for enabling short
493 						 * preamble in CCK rate code */
494 		uint8_t		dot11Rate;	/* value for supported rates
495 						 * info element of MLME */
496 		uint8_t		controlRate;	/* index of next lower basic
497 						 * rate; used for dur. calcs */
498 		uint16_t	lpAckDuration;	/* long preamble ACK duration */
499 		uint16_t	spAckDuration;	/* short preamble ACK duration*/
500 	} info[32];
501 } HAL_RATE_TABLE;
502 
503 typedef struct {
504 	u_int		rs_count;		/* number of valid entries */
505 	uint8_t	rs_rates[32];		/* rates */
506 } HAL_RATE_SET;
507 
508 /*
509  * 802.11n specific structures and enums
510  */
511 typedef enum {
512 	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
513 	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
514 } HAL_CHAIN_TYPE;
515 
516 typedef struct {
517 	u_int	Tries;
518 	u_int	Rate;
519 	u_int	PktDuration;
520 	u_int	ChSel;
521 	u_int	RateFlags;
522 #define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
523 #define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
524 #define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
525 } HAL_11N_RATE_SERIES;
526 
527 typedef enum {
528 	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
529 	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
530 } HAL_HT_MACMODE;
531 
532 typedef enum {
533 	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
534 	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
535 } HAL_HT_PHYMODE;
536 
537 typedef enum {
538 	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
539 	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
540 } HAL_HT_EXTPROTSPACING;
541 
542 
543 typedef enum {
544 	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
545 	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
546 } HAL_HT_RXCLEAR;
547 
548 /*
549  * Antenna switch control.  By default antenna selection
550  * enables multiple (2) antenna use.  To force use of the
551  * A or B antenna only specify a fixed setting.  Fixing
552  * the antenna will also disable any diversity support.
553  */
554 typedef enum {
555 	HAL_ANT_VARIABLE = 0,			/* variable by programming */
556 	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
557 	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
558 } HAL_ANT_SETTING;
559 
560 typedef enum {
561 	HAL_M_STA	= 1,			/* infrastructure station */
562 	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
563 	HAL_M_HOSTAP	= 6,			/* Software Access Point */
564 	HAL_M_MONITOR	= 8			/* Monitor mode */
565 } HAL_OPMODE;
566 
567 typedef struct {
568 	uint8_t		kv_type;		/* one of HAL_CIPHER */
569 	uint8_t		kv_pad;
570 	uint16_t	kv_len;			/* length in bits */
571 	uint8_t		kv_val[16];		/* enough for 128-bit keys */
572 	uint8_t		kv_mic[8];		/* TKIP MIC key */
573 	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
574 } HAL_KEYVAL;
575 
576 typedef enum {
577 	HAL_CIPHER_WEP		= 0,
578 	HAL_CIPHER_AES_OCB	= 1,
579 	HAL_CIPHER_AES_CCM	= 2,
580 	HAL_CIPHER_CKIP		= 3,
581 	HAL_CIPHER_TKIP		= 4,
582 	HAL_CIPHER_CLR		= 5,		/* no encryption */
583 
584 	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
585 } HAL_CIPHER;
586 
587 enum {
588 	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
589 	HAL_SLOT_TIME_9	 = 9,
590 	HAL_SLOT_TIME_20 = 20,
591 };
592 
593 /*
594  * Per-station beacon timer state.  Note that the specified
595  * beacon interval (given in TU's) can also include flags
596  * to force a TSF reset and to enable the beacon xmit logic.
597  * If bs_cfpmaxduration is non-zero the hardware is setup to
598  * coexist with a PCF-capable AP.
599  */
600 typedef struct {
601 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
602 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
603 	uint32_t	bs_intval;		/* beacon interval+flags */
604 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
605 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
606 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
607 	uint32_t	bs_dtimperiod;
608 	uint16_t	bs_cfpperiod;		/* CFP period in TU */
609 	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
610 	uint32_t	bs_cfpnext;		/* next CFP in TU */
611 	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
612 	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
613 	uint32_t	bs_sleepduration;	/* max sleep duration */
614 } HAL_BEACON_STATE;
615 
616 /*
617  * Like HAL_BEACON_STATE but for non-station mode setup.
618  * NB: see above flag definitions for bt_intval.
619  */
620 typedef struct {
621 	uint32_t	bt_intval;		/* beacon interval+flags */
622 	uint32_t	bt_nexttbtt;		/* next beacon in TU */
623 	uint32_t	bt_nextatim;		/* next ATIM in TU */
624 	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
625 	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
626 	uint32_t	bt_flags;		/* timer enables */
627 #define HAL_BEACON_TBTT_EN	0x00000001
628 #define HAL_BEACON_DBA_EN	0x00000002
629 #define HAL_BEACON_SWBA_EN	0x00000004
630 } HAL_BEACON_TIMERS;
631 
632 /*
633  * Per-node statistics maintained by the driver for use in
634  * optimizing signal quality and other operational aspects.
635  */
636 typedef struct {
637 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
638 	uint32_t	ns_avgrssi;	/* average data rssi */
639 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
640 } HAL_NODE_STATS;
641 
642 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
643 
644 struct ath_desc;
645 struct ath_tx_status;
646 struct ath_rx_status;
647 struct ieee80211_channel;
648 
649 /*
650  * This is a channel survey sample entry.
651  *
652  * The AR5212 ANI routines fill these samples. The ANI code then uses it
653  * when calculating listen time; it is also exported via a diagnostic
654  * API.
655  */
656 typedef struct {
657 	uint32_t        seq_num;
658 	uint32_t        tx_busy;
659 	uint32_t        rx_busy;
660 	uint32_t        chan_busy;
661 	uint32_t        cycle_count;
662 } HAL_SURVEY_SAMPLE;
663 
664 /*
665  * This provides 3.2 seconds of sample space given an
666  * ANI time of 1/10th of a second. This may not be enough!
667  */
668 #define	CHANNEL_SURVEY_SAMPLE_COUNT	32
669 
670 typedef struct {
671 	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
672 	uint32_t cur_sample;	/* current sample in sequence */
673 	uint32_t cur_seq;	/* current sequence number */
674 } HAL_CHANNEL_SURVEY;
675 
676 /*
677  * ANI commands.
678  *
679  * These are used both internally and externally via the diagnostic
680  * API.
681  *
682  * Note that this is NOT the ANI commands being used via the INTMIT
683  * capability - that has a different mapping for some reason.
684  */
685 typedef enum {
686 	HAL_ANI_PRESENT = 0,			/* is ANI support present */
687 	HAL_ANI_NOISE_IMMUNITY_LEVEL = 1,	/* set level */
688 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 2,	/* enable/disable */
689 	HAL_ANI_CCK_WEAK_SIGNAL_THR = 3,	/* enable/disable */
690 	HAL_ANI_FIRSTEP_LEVEL = 4,		/* set level */
691 	HAL_ANI_SPUR_IMMUNITY_LEVEL = 5,	/* set level */
692 	HAL_ANI_MODE = 6,			/* 0 => manual, 1 => auto (XXX do not change) */
693 	HAL_ANI_PHYERR_RESET = 7,		/* reset phy error stats */
694 } HAL_ANI_CMD;
695 
696 /*
697  * This is the layout of the ANI INTMIT capability.
698  *
699  * Notice that the command values differ to HAL_ANI_CMD.
700  */
701 typedef enum {
702 	HAL_CAP_INTMIT_PRESENT = 0,
703 	HAL_CAP_INTMIT_ENABLE = 1,
704 	HAL_CAP_INTMIT_NOISE_IMMUNITY_LEVEL = 2,
705 	HAL_CAP_INTMIT_OFDM_WEAK_SIGNAL_LEVEL = 3,
706 	HAL_CAP_INTMIT_CCK_WEAK_SIGNAL_THR = 4,
707 	HAL_CAP_INTMIT_FIRSTEP_LEVEL = 5,
708 	HAL_CAP_INTMIT_SPUR_IMMUNITY_LEVEL = 6
709 } HAL_CAP_INTMIT_CMD;
710 
711 typedef struct {
712 	int32_t		pe_firpwr;	/* FIR pwr out threshold */
713 	int32_t		pe_rrssi;	/* Radar rssi thresh */
714 	int32_t		pe_height;	/* Pulse height thresh */
715 	int32_t		pe_prssi;	/* Pulse rssi thresh */
716 	int32_t		pe_inband;	/* Inband thresh */
717 
718 	/* The following params are only for AR5413 and later */
719 	u_int32_t	pe_relpwr;	/* Relative power threshold in 0.5dB steps */
720 	u_int32_t	pe_relstep;	/* Pulse Relative step threshold in 0.5dB steps */
721 	u_int32_t	pe_maxlen;	/* Max length of radar sign in 0.8us units */
722 	int32_t		pe_usefir128;	/* Use the average in-band power measured over 128 cycles */
723 	int32_t		pe_blockradar;	/*
724 					 * Enable to block radar check if pkt detect is done via OFDM
725 					 * weak signal detect or pkt is detected immediately after tx
726 					 * to rx transition
727 					 */
728 	int32_t		pe_enmaxrssi;	/*
729 					 * Enable to use the max rssi instead of the last rssi during
730 					 * fine gain changes for radar detection
731 					 */
732 	int32_t		pe_extchannel;	/* Enable DFS on ext channel */
733 	int32_t		pe_enabled;	/* Whether radar detection is enabled */
734 } HAL_PHYERR_PARAM;
735 
736 #define	HAL_PHYERR_PARAM_NOVAL	65535
737 #define	HAL_PHYERR_PARAM_ENABLE	0x8000	/* Enable/Disable if applicable */
738 
739 /*
740  * DFS operating mode flags.
741  */
742 typedef enum {
743 	HAL_DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
744 	HAL_DFS_FCC_DOMAIN	= 1,	/* FCC3 dfs domain */
745 	HAL_DFS_ETSI_DOMAIN	= 2,	/* ETSI dfs domain */
746 	HAL_DFS_MKK4_DOMAIN	= 3,	/* Japan dfs domain */
747 } HAL_DFS_DOMAIN;
748 
749 /*
750  * Flag for setting QUIET period
751  */
752 typedef enum {
753 	HAL_QUIET_DISABLE		= 0x0,
754 	HAL_QUIET_ENABLE		= 0x1,
755 	HAL_QUIET_ADD_CURRENT_TSF	= 0x2,	/* add current TSF to next_start offset */
756 	HAL_QUIET_ADD_SWBA_RESP_TIME	= 0x4,	/* add beacon response time to next_start offset */
757 } HAL_QUIET_FLAG;
758 
759 #define	HAL_DFS_EVENT_PRICH		0x0000001
760 #define	HAL_DFS_EVENT_EXTCH		0x0000002
761 #define	HAL_DFS_EVENT_EXTEARLY		0x0000004
762 #define	HAL_DFS_EVENT_ISDC		0x0000008
763 
764 struct hal_dfs_event {
765 	uint64_t	re_full_ts;	/* 64-bit full timestamp from interrupt time */
766 	uint32_t	re_ts;		/* Original 15 bit recv timestamp */
767 	uint8_t		re_rssi;	/* rssi of radar event */
768 	uint8_t		re_dur;		/* duration of radar pulse */
769 	uint32_t	re_flags;	/* Flags (see above) */
770 };
771 typedef struct hal_dfs_event HAL_DFS_EVENT;
772 
773 typedef struct
774 {
775 	int ah_debug;			/* only used if AH_DEBUG is defined */
776 	int ah_ar5416_biasadj;		/* enable AR2133 radio specific bias fiddling */
777 
778 	/* NB: these are deprecated; they exist for now for compatibility */
779 	int ah_dma_beacon_response_time;/* in TU's */
780 	int ah_sw_beacon_response_time;	/* in TU's */
781 	int ah_additional_swba_backoff;	/* in TU's */
782 } HAL_OPS_CONFIG;
783 
784 /*
785  * Hardware Access Layer (HAL) API.
786  *
787  * Clients of the HAL call ath_hal_attach to obtain a reference to an
788  * ath_hal structure for use with the device.  Hardware-related operations
789  * that follow must call back into the HAL through interface, supplying
790  * the reference as the first parameter.  Note that before using the
791  * reference returned by ath_hal_attach the caller should verify the
792  * ABI version number.
793  */
794 struct ath_hal {
795 	uint32_t	ah_magic;	/* consistency check magic number */
796 	uint16_t	ah_devid;	/* PCI device ID */
797 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
798 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
799 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
800 	HAL_BUS_HANDLE	ah_sh;
801 	HAL_CTRY_CODE	ah_countryCode;
802 
803 	uint32_t	ah_macVersion;	/* MAC version id */
804 	uint16_t	ah_macRev;	/* MAC revision */
805 	uint16_t	ah_phyRev;	/* PHY revision */
806 	/* NB: when only one radio is present the rev is in 5Ghz */
807 	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
808 	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
809 
810 	uint16_t	*ah_eepromdata;	/* eeprom buffer, if needed */
811 
812 	HAL_OPS_CONFIG ah_config;
813 	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
814 				u_int mode);
815 	void	  __ahdecl(*ah_detach)(struct ath_hal*);
816 
817 	/* Reset functions */
818 	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
819 				struct ieee80211_channel *,
820 				HAL_BOOL bChannelChange, HAL_STATUS *status);
821 	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
822 	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
823 	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore);
824 	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
825 	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
826 	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*,
827 			struct ieee80211_channel *, HAL_BOOL *);
828 	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *,
829 			struct ieee80211_channel *, u_int chainMask,
830 			HAL_BOOL longCal, HAL_BOOL *isCalDone);
831 	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *,
832 			const struct ieee80211_channel *);
833 	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
834 	    		const struct ieee80211_channel *, uint16_t *);
835 	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
836 	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
837 	    		const struct ieee80211_channel *);
838 
839 	/* Transmit functions */
840 	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
841 				HAL_BOOL incTrigLevel);
842 	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
843 				const HAL_TXQ_INFO *qInfo);
844 	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
845 				const HAL_TXQ_INFO *qInfo);
846 	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
847 				HAL_TXQ_INFO *qInfo);
848 	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
849 	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
850 	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
851 	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
852 	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
853 	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
854 	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
855 	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
856 				u_int pktLen, u_int hdrLen,
857 				HAL_PKT_TYPE type, u_int txPower,
858 				u_int txRate0, u_int txTries0,
859 				u_int keyIx, u_int antMode, u_int flags,
860 				u_int rtsctsRate, u_int rtsctsDuration,
861 				u_int compicvLen, u_int compivLen,
862 				u_int comp);
863 	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
864 				u_int txRate1, u_int txTries1,
865 				u_int txRate2, u_int txTries2,
866 				u_int txRate3, u_int txTries3);
867 	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
868 				u_int segLen, HAL_BOOL firstSeg,
869 				HAL_BOOL lastSeg, const struct ath_desc *);
870 	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
871 				struct ath_desc *, struct ath_tx_status *);
872 	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
873 	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
874 	HAL_BOOL	__ahdecl(*ah_getTxCompletionRates)(struct ath_hal *,
875 				const struct ath_desc *ds, int *rates, int *tries);
876 
877 	/* Receive Functions */
878 	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*);
879 	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp);
880 	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
881 	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
882 	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*);
883 	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
884 	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
885 				uint32_t filter0, uint32_t filter1);
886 	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
887 				uint32_t index);
888 	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
889 				uint32_t index);
890 	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
891 	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
892 	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
893 				uint32_t size, u_int flags);
894 	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
895 				struct ath_desc *, uint32_t phyAddr,
896 				struct ath_desc *next, uint64_t tsf,
897 				struct ath_rx_status *);
898 	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
899 				const HAL_NODE_STATS *,
900 				const struct ieee80211_channel *);
901 	void      __ahdecl(*ah_aniPoll)(struct ath_hal *,
902 				const struct ieee80211_channel *);
903 	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
904 				const HAL_NODE_STATS *);
905 	void	  __ahdecl(*ah_rxAntCombDiversity)(struct ath_hal *,
906 				struct ath_rx_status *,
907 				unsigned long, int);
908 
909 	/* Misc Functions */
910 	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
911 				HAL_CAPABILITY_TYPE, uint32_t capability,
912 				uint32_t *result);
913 	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
914 				HAL_CAPABILITY_TYPE, uint32_t capability,
915 				uint32_t setting, HAL_STATUS *);
916 	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
917 				const void *args, uint32_t argsize,
918 				void **result, uint32_t *resultsize);
919 	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
920 	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
921 	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
922 	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
923 	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
924 				uint16_t, HAL_STATUS *);
925 	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
926 	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
927 				const uint8_t *bssid, uint16_t assocId);
928 	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
929 				uint32_t gpio, HAL_GPIO_MUX_TYPE);
930 	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
931 	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
932 	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
933 				uint32_t gpio, uint32_t val);
934 	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
935 	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
936 	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
937 	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
938 	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
939 	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
940 				HAL_MIB_STATS*);
941 	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
942 	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
943 	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
944 	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
945 	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
946 				HAL_ANT_SETTING);
947 	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
948 	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
949 	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
950 	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
951 	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
952 	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
953 	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
954 	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
955 	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
956 	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
957 	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
958 	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
959 	HAL_STATUS	__ahdecl(*ah_setQuiet)(struct ath_hal *ah, uint32_t period,
960 				uint32_t duration, uint32_t nextStart,
961 				HAL_QUIET_FLAG flag);
962 
963 	/* DFS functions */
964 	void	  __ahdecl(*ah_enableDfs)(struct ath_hal *ah,
965 				HAL_PHYERR_PARAM *pe);
966 	void	  __ahdecl(*ah_getDfsThresh)(struct ath_hal *ah,
967 				HAL_PHYERR_PARAM *pe);
968 	HAL_BOOL  __ahdecl(*ah_procRadarEvent)(struct ath_hal *ah,
969 				struct ath_rx_status *rxs, uint64_t fulltsf,
970 				const char *buf, HAL_DFS_EVENT *event);
971 	HAL_BOOL  __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
972 
973 	/* Key Cache Functions */
974 	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
975 	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
976 	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
977 				uint16_t);
978 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
979 				uint16_t, const HAL_KEYVAL *,
980 				const uint8_t *, int);
981 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
982 				uint16_t, const uint8_t *);
983 
984 	/* Power Management Functions */
985 	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
986 				HAL_POWER_MODE mode, int setChip);
987 	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
988 	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *,
989 				const struct ieee80211_channel *);
990 
991 	/* Beacon Management Functions */
992 	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
993 				const HAL_BEACON_TIMERS *);
994 	/* NB: deprecated, use ah_setBeaconTimers instead */
995 	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
996 				uint32_t nexttbtt, uint32_t intval);
997 	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
998 				const HAL_BEACON_STATE *);
999 	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
1000 	uint64_t  __ahdecl(*ah_getNextTBTT)(struct ath_hal *);
1001 
1002 	/* 802.11n Functions */
1003 	HAL_BOOL  __ahdecl(*ah_chainTxDesc)(struct ath_hal *,
1004 				struct ath_desc *, u_int, u_int, HAL_PKT_TYPE,
1005 				u_int, HAL_CIPHER, uint8_t, u_int, HAL_BOOL,
1006 				HAL_BOOL);
1007 	HAL_BOOL  __ahdecl(*ah_setupFirstTxDesc)(struct ath_hal *,
1008 				struct ath_desc *, u_int, u_int, u_int,
1009 				u_int, u_int, u_int, u_int, u_int);
1010 	HAL_BOOL  __ahdecl(*ah_setupLastTxDesc)(struct ath_hal *,
1011 				struct ath_desc *, const struct ath_desc *);
1012 	void	  __ahdecl(*ah_set11nRateScenario)(struct ath_hal *,
1013 	    			struct ath_desc *, u_int, u_int,
1014 				HAL_11N_RATE_SERIES [], u_int, u_int);
1015 	void	  __ahdecl(*ah_set11nAggrMiddle)(struct ath_hal *,
1016 	    			struct ath_desc *, u_int);
1017 	void	  __ahdecl(*ah_clr11nAggr)(struct ath_hal *,
1018 	    			struct ath_desc *);
1019 	void	  __ahdecl(*ah_set11nBurstDuration)(struct ath_hal *,
1020 	    			struct ath_desc *, u_int);
1021 	uint32_t  __ahdecl(*ah_get11nExtBusy)(struct ath_hal *);
1022 	void      __ahdecl(*ah_set11nMac2040)(struct ath_hal *,
1023 				HAL_HT_MACMODE);
1024 	HAL_HT_RXCLEAR __ahdecl(*ah_get11nRxClear)(struct ath_hal *ah);
1025 	void	  __ahdecl(*ah_set11nRxClear)(struct ath_hal *,
1026 	    			HAL_HT_RXCLEAR);
1027 
1028 	/* Interrupt functions */
1029 	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
1030 	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
1031 	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
1032 	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
1033 };
1034 
1035 /*
1036  * Check the PCI vendor ID and device ID against Atheros' values
1037  * and return a printable description for any Atheros hardware.
1038  * AH_NULL is returned if the ID's do not describe Atheros hardware.
1039  */
1040 extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
1041 
1042 /*
1043  * Attach the HAL for use with the specified device.  The device is
1044  * defined by the PCI device ID.  The caller provides an opaque pointer
1045  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
1046  * HAL state block for later use.  Hardware register accesses are done
1047  * using the specified bus tag and handle.  On successful return a
1048  * reference to a state block is returned that must be supplied in all
1049  * subsequent HAL calls.  Storage associated with this reference is
1050  * dynamically allocated and must be freed by calling the ah_detach
1051  * method when the client is done.  If the attach operation fails a
1052  * null (AH_NULL) reference will be returned and a status code will
1053  * be returned if the status parameter is non-zero.
1054  */
1055 extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
1056 		HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata, HAL_STATUS* status);
1057 
1058 extern	const char *ath_hal_mac_name(struct ath_hal *);
1059 extern	const char *ath_hal_rf_name(struct ath_hal *);
1060 
1061 /*
1062  * Regulatory interfaces.  Drivers should use ath_hal_init_channels to
1063  * request a set of channels for a particular country code and/or
1064  * regulatory domain.  If CTRY_DEFAULT and SKU_NONE are specified then
1065  * this list is constructed according to the contents of the EEPROM.
1066  * ath_hal_getchannels acts similarly but does not alter the operating
1067  * state; this can be used to collect information for a particular
1068  * regulatory configuration.  Finally ath_hal_set_channels installs a
1069  * channel list constructed outside the driver.  The HAL will adopt the
1070  * channel list and setup internal state according to the specified
1071  * regulatory configuration (e.g. conformance test limits).
1072  *
1073  * For all interfaces the channel list is returned in the supplied array.
1074  * maxchans defines the maximum size of this array.  nchans contains the
1075  * actual number of channels returned.  If a problem occurred then a
1076  * status code != HAL_OK is returned.
1077  */
1078 struct ieee80211_channel;
1079 
1080 /*
1081  * Return a list of channels according to the specified regulatory.
1082  */
1083 extern	HAL_STATUS __ahdecl ath_hal_getchannels(struct ath_hal *,
1084     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1085     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn,
1086     HAL_BOOL enableExtendedChannels);
1087 
1088 /*
1089  * Return a list of channels and install it as the current operating
1090  * regulatory list.
1091  */
1092 extern	HAL_STATUS __ahdecl ath_hal_init_channels(struct ath_hal *,
1093     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1094     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN rd,
1095     HAL_BOOL enableExtendedChannels);
1096 
1097 /*
1098  * Install the list of channels as the current operating regulatory
1099  * and setup related state according to the country code and sku.
1100  */
1101 extern	HAL_STATUS __ahdecl ath_hal_set_channels(struct ath_hal *,
1102     struct ieee80211_channel *chans, int nchans,
1103     HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn);
1104 
1105 /*
1106  * Fetch the ctl/ext noise floor values reported by a MIMO
1107  * radio. Returns 1 for valid results, 0 for invalid channel.
1108  */
1109 extern int __ahdecl ath_hal_get_mimo_chan_noise(struct ath_hal *ah,
1110     const struct ieee80211_channel *chan, int16_t *nf_ctl,
1111     int16_t *nf_ext);
1112 
1113 /*
1114  * Calibrate noise floor data following a channel scan or similar.
1115  * This must be called prior retrieving noise floor data.
1116  */
1117 extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
1118 
1119 /*
1120  * Return bit mask of wireless modes supported by the hardware.
1121  */
1122 extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
1123 
1124 /*
1125  * Calculate the packet TX time for a legacy or 11n frame
1126  */
1127 extern uint32_t __ahdecl ath_hal_pkt_txtime(struct ath_hal *ah,
1128     const HAL_RATE_TABLE *rates, uint32_t frameLen,
1129     uint16_t rateix, HAL_BOOL isht40, HAL_BOOL shortPreamble);
1130 
1131 /*
1132  * Calculate the duration of an 11n frame.
1133  */
1134 extern uint32_t __ahdecl ath_computedur_ht(uint32_t frameLen, uint16_t rate,
1135     int streams, HAL_BOOL isht40, HAL_BOOL isShortGI);
1136 
1137 /*
1138  * Calculate the transmit duration of a legacy frame.
1139  */
1140 extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
1141 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
1142 		uint16_t rateix, HAL_BOOL shortPreamble);
1143 
1144 /*
1145  * Adjust the TSF.
1146  */
1147 extern void __ahdecl ath_hal_adjusttsf(struct ath_hal *ah, int32_t tsfdelta);
1148 
1149 /*
1150  * Enable or disable CCA.
1151  */
1152 void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
1153 
1154 /*
1155  * Get CCA setting.
1156  */
1157 int __ahdecl ath_hal_getcca(struct ath_hal *ah);
1158 
1159 #endif /* _ATH_AH_H_ */
1160