xref: /freebsd/sys/dev/ath/ath_hal/ah.h (revision 3ef51c5fb9163f2aafb1c14729e06a8bf0c4d113)
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_CAP_BB_READ_WAR	= 244,	/* baseband read WAR */
153 	HAL_CAP_SERIALISE_WAR	= 245,	/* serialise register access on PCI */
154 } HAL_CAPABILITY_TYPE;
155 
156 /*
157  * "States" for setting the LED.  These correspond to
158  * the possible 802.11 operational states and there may
159  * be a many-to-one mapping between these states and the
160  * actual hardware state for the LED's (i.e. the hardware
161  * may have fewer states).
162  */
163 typedef enum {
164 	HAL_LED_INIT	= 0,
165 	HAL_LED_SCAN	= 1,
166 	HAL_LED_AUTH	= 2,
167 	HAL_LED_ASSOC	= 3,
168 	HAL_LED_RUN	= 4
169 } HAL_LED_STATE;
170 
171 /*
172  * Transmit queue types/numbers.  These are used to tag
173  * each transmit queue in the hardware and to identify a set
174  * of transmit queues for operations such as start/stop dma.
175  */
176 typedef enum {
177 	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
178 	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
179 	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
180 	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
181 	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
182 	HAL_TX_QUEUE_PSPOLL	= 5,		/* power save poll xmit q */
183 } HAL_TX_QUEUE;
184 
185 #define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
186 
187 /*
188  * Transmit queue subtype.  These map directly to
189  * WME Access Categories (except for UPSD).  Refer
190  * to Table 5 of the WME spec.
191  */
192 typedef enum {
193 	HAL_WME_AC_BK	= 0,			/* background access category */
194 	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
195 	HAL_WME_AC_VI	= 2,			/* video access category */
196 	HAL_WME_AC_VO	= 3,			/* voice access category */
197 	HAL_WME_UPSD	= 4,			/* uplink power save */
198 } HAL_TX_QUEUE_SUBTYPE;
199 
200 /*
201  * Transmit queue flags that control various
202  * operational parameters.
203  */
204 typedef enum {
205 	/*
206 	 * Per queue interrupt enables.  When set the associated
207 	 * interrupt may be delivered for packets sent through
208 	 * the queue.  Without these enabled no interrupts will
209 	 * be delivered for transmits through the queue.
210 	 */
211 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
212 	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
213 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
214 	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
215 	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
216 	/*
217 	 * Enable hardware compression for packets sent through
218 	 * the queue.  The compression buffer must be setup and
219 	 * packets must have a key entry marked in the tx descriptor.
220 	 */
221 	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
222 	/*
223 	 * Disable queue when veol is hit or ready time expires.
224 	 * By default the queue is disabled only on reaching the
225 	 * physical end of queue (i.e. a null link ptr in the
226 	 * descriptor chain).
227 	 */
228 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
229 	/*
230 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
231 	 * event.  Frames will be transmitted only when this timer
232 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
233 	 */
234 	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
235 	/*
236 	 * Each transmit queue has a counter that is incremented
237 	 * each time the queue is enabled and decremented when
238 	 * the list of frames to transmit is traversed (or when
239 	 * the ready time for the queue expires).  This counter
240 	 * must be non-zero for frames to be scheduled for
241 	 * transmission.  The following controls disable bumping
242 	 * this counter under certain conditions.  Typically this
243 	 * is used to gate frames based on the contents of another
244 	 * queue (e.g. CAB traffic may only follow a beacon frame).
245 	 * These are meaningful only when frames are scheduled
246 	 * with a non-ASAP policy (e.g. DBA-gated).
247 	 */
248 	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
249 	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
250 
251 	/*
252 	 * Fragment burst backoff policy.  Normally the no backoff
253 	 * is done after a successful transmission, the next fragment
254 	 * is sent at SIFS.  If this flag is set backoff is done
255 	 * after each fragment, regardless whether it was ack'd or
256 	 * not, after the backoff count reaches zero a normal channel
257 	 * access procedure is done before the next transmit (i.e.
258 	 * wait AIFS instead of SIFS).
259 	 */
260 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
261 	/*
262 	 * Disable post-tx backoff following each frame.
263 	 */
264 	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
265 	/*
266 	 * DCU arbiter lockout control.  This controls how
267 	 * lower priority tx queues are handled with respect to
268 	 * to a specific queue when multiple queues have frames
269 	 * to send.  No lockout means lower priority queues arbitrate
270 	 * concurrently with this queue.  Intra-frame lockout
271 	 * means lower priority queues are locked out until the
272 	 * current frame transmits (e.g. including backoffs and bursting).
273 	 * Global lockout means nothing lower can arbitrary so
274 	 * long as there is traffic activity on this queue (frames,
275 	 * backoff, etc).
276 	 */
277 	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
278 	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
279 
280 	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
281 	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
282 } HAL_TX_QUEUE_FLAGS;
283 
284 typedef struct {
285 	uint32_t	tqi_ver;		/* hal TXQ version */
286 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
287 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
288 	uint32_t	tqi_priority;		/* (not used) */
289 	uint32_t	tqi_aifs;		/* aifs */
290 	uint32_t	tqi_cwmin;		/* cwMin */
291 	uint32_t	tqi_cwmax;		/* cwMax */
292 	uint16_t	tqi_shretry;		/* rts retry limit */
293 	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
294 	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
295 	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
296 	uint32_t	tqi_burstTime;		/* max burst duration (us) */
297 	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
298 	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
299 } HAL_TXQ_INFO;
300 
301 #define HAL_TQI_NONVAL 0xffff
302 
303 /* token to use for aifs, cwmin, cwmax */
304 #define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
305 
306 /* compression definitions */
307 #define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
308 #define HAL_COMP_BUF_ALIGN_SIZE         512
309 
310 /*
311  * Transmit packet types.  This belongs in ah_desc.h, but
312  * is here so we can give a proper type to various parameters
313  * (and not require everyone include the file).
314  *
315  * NB: These values are intentionally assigned for
316  *     direct use when setting up h/w descriptors.
317  */
318 typedef enum {
319 	HAL_PKT_TYPE_NORMAL	= 0,
320 	HAL_PKT_TYPE_ATIM	= 1,
321 	HAL_PKT_TYPE_PSPOLL	= 2,
322 	HAL_PKT_TYPE_BEACON	= 3,
323 	HAL_PKT_TYPE_PROBE_RESP	= 4,
324 	HAL_PKT_TYPE_CHIRP	= 5,
325 	HAL_PKT_TYPE_GRP_POLL	= 6,
326 	HAL_PKT_TYPE_AMPDU	= 7,
327 } HAL_PKT_TYPE;
328 
329 /* Rx Filter Frame Types */
330 typedef enum {
331 	/*
332 	 * These bits correspond to AR_RX_FILTER for all chips.
333 	 * Not all bits are supported by all chips.
334 	 */
335 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
336 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
337 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
338 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
339 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
340 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
341 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
342 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
343 	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
344 	HAL_RX_FILTER_COMP_BA	= 0x00000800,	/* Allow compressed blockack */
345 	HAL_RX_FILTER_PHYRADAR	= 0x00002000,	/* Allow phy radar errors */
346 	HAL_RX_FILTER_PSPOLL	= 0x00004000,	/* Allow PS-POLL frames */
347 	HAL_RX_FILTER_MCAST_BCAST_ALL	= 0x00008000,
348 						/* Allow all mcast/bcast frames */
349 
350 	/*
351 	 * Magic RX filter flags that aren't targetting hardware bits
352 	 * but instead the HAL sets individual bits - eg PHYERR will result
353 	 * in OFDM/CCK timing error frames being received.
354 	 */
355 	HAL_RX_FILTER_BSSID	= 0x40000000,	/* Disable BSSID match */
356 } HAL_RX_FILTER;
357 
358 typedef enum {
359 	HAL_PM_AWAKE		= 0,
360 	HAL_PM_FULL_SLEEP	= 1,
361 	HAL_PM_NETWORK_SLEEP	= 2,
362 	HAL_PM_UNDEFINED	= 3
363 } HAL_POWER_MODE;
364 
365 /*
366  * NOTE WELL:
367  * These are mapped to take advantage of the common locations for many of
368  * the bits on all of the currently supported MAC chips. This is to make
369  * the ISR as efficient as possible, while still abstracting HW differences.
370  * When new hardware breaks this commonality this enumerated type, as well
371  * as the HAL functions using it, must be modified. All values are directly
372  * mapped unless commented otherwise.
373  */
374 typedef enum {
375 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
376 	HAL_INT_RXDESC	= 0x00000002,
377 	HAL_INT_RXNOFRM	= 0x00000008,
378 	HAL_INT_RXEOL	= 0x00000010,
379 	HAL_INT_RXORN	= 0x00000020,
380 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
381 	HAL_INT_TXDESC	= 0x00000080,
382 	HAL_INT_TIM_TIMER= 0x00000100,
383 	HAL_INT_TXURN	= 0x00000800,
384 	HAL_INT_MIB	= 0x00001000,
385 	HAL_INT_RXPHY	= 0x00004000,
386 	HAL_INT_RXKCM	= 0x00008000,
387 	HAL_INT_SWBA	= 0x00010000,
388 	HAL_INT_BMISS	= 0x00040000,
389 	HAL_INT_BNR	= 0x00100000,
390 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
391 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
392 	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
393 	HAL_INT_GPIO	= 0x01000000,
394 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
395 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
396 	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
397 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
398 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
399 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
400 #define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
401 	HAL_INT_BMISC	= HAL_INT_TIM
402 			| HAL_INT_DTIM
403 			| HAL_INT_DTIMSYNC
404 			| HAL_INT_CABEND
405 			| HAL_INT_TBTT,
406 
407 	/* Interrupt bits that map directly to ISR/IMR bits */
408 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
409 			| HAL_INT_RXDESC
410 			| HAL_INT_RXEOL
411 			| HAL_INT_RXORN
412 			| HAL_INT_TXDESC
413 			| HAL_INT_TXURN
414 			| HAL_INT_MIB
415 			| HAL_INT_RXPHY
416 			| HAL_INT_RXKCM
417 			| HAL_INT_SWBA
418 			| HAL_INT_BMISS
419 			| HAL_INT_BNR
420 			| HAL_INT_GPIO,
421 } HAL_INT;
422 
423 typedef enum {
424 	HAL_GPIO_MUX_OUTPUT		= 0,
425 	HAL_GPIO_MUX_PCIE_ATTENTION_LED	= 1,
426 	HAL_GPIO_MUX_PCIE_POWER_LED	= 2,
427 	HAL_GPIO_MUX_TX_FRAME		= 3,
428 	HAL_GPIO_MUX_RX_CLEAR_EXTERNAL	= 4,
429 	HAL_GPIO_MUX_MAC_NETWORK_LED	= 5,
430 	HAL_GPIO_MUX_MAC_POWER_LED	= 6
431 } HAL_GPIO_MUX_TYPE;
432 
433 typedef enum {
434 	HAL_GPIO_INTR_LOW		= 0,
435 	HAL_GPIO_INTR_HIGH		= 1,
436 	HAL_GPIO_INTR_DISABLE		= 2
437 } HAL_GPIO_INTR_TYPE;
438 
439 typedef enum {
440 	HAL_RFGAIN_INACTIVE		= 0,
441 	HAL_RFGAIN_READ_REQUESTED	= 1,
442 	HAL_RFGAIN_NEED_CHANGE		= 2
443 } HAL_RFGAIN;
444 
445 typedef uint16_t HAL_CTRY_CODE;		/* country code */
446 typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
447 
448 #define HAL_ANTENNA_MIN_MODE  0
449 #define HAL_ANTENNA_FIXED_A   1
450 #define HAL_ANTENNA_FIXED_B   2
451 #define HAL_ANTENNA_MAX_MODE  3
452 
453 typedef struct {
454 	uint32_t	ackrcv_bad;
455 	uint32_t	rts_bad;
456 	uint32_t	rts_good;
457 	uint32_t	fcs_bad;
458 	uint32_t	beacons;
459 } HAL_MIB_STATS;
460 
461 enum {
462 	HAL_MODE_11A	= 0x001,		/* 11a channels */
463 	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
464 	HAL_MODE_11B	= 0x004,		/* 11b channels */
465 	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
466 #ifdef notdef
467 	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
468 #else
469 	HAL_MODE_11G	= 0x008,		/* XXX historical */
470 #endif
471 	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
472 	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
473 	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
474 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
475 	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
476 	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
477 	HAL_MODE_11NG_HT20	= 0x008000,
478 	HAL_MODE_11NA_HT20  	= 0x010000,
479 	HAL_MODE_11NG_HT40PLUS	= 0x020000,
480 	HAL_MODE_11NG_HT40MINUS	= 0x040000,
481 	HAL_MODE_11NA_HT40PLUS	= 0x080000,
482 	HAL_MODE_11NA_HT40MINUS	= 0x100000,
483 	HAL_MODE_ALL	= 0xffffff
484 };
485 
486 typedef struct {
487 	int		rateCount;		/* NB: for proper padding */
488 	uint8_t		rateCodeToIndex[144];	/* back mapping */
489 	struct {
490 		uint8_t		valid;		/* valid for rate control use */
491 		uint8_t		phy;		/* CCK/OFDM/XR */
492 		uint32_t	rateKbps;	/* transfer rate in kbs */
493 		uint8_t		rateCode;	/* rate for h/w descriptors */
494 		uint8_t		shortPreamble;	/* mask for enabling short
495 						 * preamble in CCK rate code */
496 		uint8_t		dot11Rate;	/* value for supported rates
497 						 * info element of MLME */
498 		uint8_t		controlRate;	/* index of next lower basic
499 						 * rate; used for dur. calcs */
500 		uint16_t	lpAckDuration;	/* long preamble ACK duration */
501 		uint16_t	spAckDuration;	/* short preamble ACK duration*/
502 	} info[32];
503 } HAL_RATE_TABLE;
504 
505 typedef struct {
506 	u_int		rs_count;		/* number of valid entries */
507 	uint8_t	rs_rates[32];		/* rates */
508 } HAL_RATE_SET;
509 
510 /*
511  * 802.11n specific structures and enums
512  */
513 typedef enum {
514 	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
515 	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
516 } HAL_CHAIN_TYPE;
517 
518 typedef struct {
519 	u_int	Tries;
520 	u_int	Rate;
521 	u_int	PktDuration;
522 	u_int	ChSel;
523 	u_int	RateFlags;
524 #define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
525 #define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
526 #define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
527 } HAL_11N_RATE_SERIES;
528 
529 typedef enum {
530 	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
531 	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
532 } HAL_HT_MACMODE;
533 
534 typedef enum {
535 	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
536 	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
537 } HAL_HT_PHYMODE;
538 
539 typedef enum {
540 	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
541 	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
542 } HAL_HT_EXTPROTSPACING;
543 
544 
545 typedef enum {
546 	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
547 	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
548 } HAL_HT_RXCLEAR;
549 
550 /*
551  * Antenna switch control.  By default antenna selection
552  * enables multiple (2) antenna use.  To force use of the
553  * A or B antenna only specify a fixed setting.  Fixing
554  * the antenna will also disable any diversity support.
555  */
556 typedef enum {
557 	HAL_ANT_VARIABLE = 0,			/* variable by programming */
558 	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
559 	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
560 } HAL_ANT_SETTING;
561 
562 typedef enum {
563 	HAL_M_STA	= 1,			/* infrastructure station */
564 	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
565 	HAL_M_HOSTAP	= 6,			/* Software Access Point */
566 	HAL_M_MONITOR	= 8			/* Monitor mode */
567 } HAL_OPMODE;
568 
569 typedef struct {
570 	uint8_t		kv_type;		/* one of HAL_CIPHER */
571 	uint8_t		kv_pad;
572 	uint16_t	kv_len;			/* length in bits */
573 	uint8_t		kv_val[16];		/* enough for 128-bit keys */
574 	uint8_t		kv_mic[8];		/* TKIP MIC key */
575 	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
576 } HAL_KEYVAL;
577 
578 typedef enum {
579 	HAL_CIPHER_WEP		= 0,
580 	HAL_CIPHER_AES_OCB	= 1,
581 	HAL_CIPHER_AES_CCM	= 2,
582 	HAL_CIPHER_CKIP		= 3,
583 	HAL_CIPHER_TKIP		= 4,
584 	HAL_CIPHER_CLR		= 5,		/* no encryption */
585 
586 	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
587 } HAL_CIPHER;
588 
589 enum {
590 	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
591 	HAL_SLOT_TIME_9	 = 9,
592 	HAL_SLOT_TIME_20 = 20,
593 };
594 
595 /*
596  * Per-station beacon timer state.  Note that the specified
597  * beacon interval (given in TU's) can also include flags
598  * to force a TSF reset and to enable the beacon xmit logic.
599  * If bs_cfpmaxduration is non-zero the hardware is setup to
600  * coexist with a PCF-capable AP.
601  */
602 typedef struct {
603 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
604 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
605 	uint32_t	bs_intval;		/* beacon interval+flags */
606 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
607 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
608 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
609 	uint32_t	bs_dtimperiod;
610 	uint16_t	bs_cfpperiod;		/* CFP period in TU */
611 	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
612 	uint32_t	bs_cfpnext;		/* next CFP in TU */
613 	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
614 	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
615 	uint32_t	bs_sleepduration;	/* max sleep duration */
616 } HAL_BEACON_STATE;
617 
618 /*
619  * Like HAL_BEACON_STATE but for non-station mode setup.
620  * NB: see above flag definitions for bt_intval.
621  */
622 typedef struct {
623 	uint32_t	bt_intval;		/* beacon interval+flags */
624 	uint32_t	bt_nexttbtt;		/* next beacon in TU */
625 	uint32_t	bt_nextatim;		/* next ATIM in TU */
626 	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
627 	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
628 	uint32_t	bt_flags;		/* timer enables */
629 #define HAL_BEACON_TBTT_EN	0x00000001
630 #define HAL_BEACON_DBA_EN	0x00000002
631 #define HAL_BEACON_SWBA_EN	0x00000004
632 } HAL_BEACON_TIMERS;
633 
634 /*
635  * Per-node statistics maintained by the driver for use in
636  * optimizing signal quality and other operational aspects.
637  */
638 typedef struct {
639 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
640 	uint32_t	ns_avgrssi;	/* average data rssi */
641 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
642 } HAL_NODE_STATS;
643 
644 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
645 
646 struct ath_desc;
647 struct ath_tx_status;
648 struct ath_rx_status;
649 struct ieee80211_channel;
650 
651 /*
652  * This is a channel survey sample entry.
653  *
654  * The AR5212 ANI routines fill these samples. The ANI code then uses it
655  * when calculating listen time; it is also exported via a diagnostic
656  * API.
657  */
658 typedef struct {
659 	uint32_t        seq_num;
660 	uint32_t        tx_busy;
661 	uint32_t        rx_busy;
662 	uint32_t        chan_busy;
663 	uint32_t        cycle_count;
664 } HAL_SURVEY_SAMPLE;
665 
666 /*
667  * This provides 3.2 seconds of sample space given an
668  * ANI time of 1/10th of a second. This may not be enough!
669  */
670 #define	CHANNEL_SURVEY_SAMPLE_COUNT	32
671 
672 typedef struct {
673 	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
674 	uint32_t cur_sample;	/* current sample in sequence */
675 	uint32_t cur_seq;	/* current sequence number */
676 } HAL_CHANNEL_SURVEY;
677 
678 /*
679  * ANI commands.
680  *
681  * These are used both internally and externally via the diagnostic
682  * API.
683  *
684  * Note that this is NOT the ANI commands being used via the INTMIT
685  * capability - that has a different mapping for some reason.
686  */
687 typedef enum {
688 	HAL_ANI_PRESENT = 0,			/* is ANI support present */
689 	HAL_ANI_NOISE_IMMUNITY_LEVEL = 1,	/* set level */
690 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 2,	/* enable/disable */
691 	HAL_ANI_CCK_WEAK_SIGNAL_THR = 3,	/* enable/disable */
692 	HAL_ANI_FIRSTEP_LEVEL = 4,		/* set level */
693 	HAL_ANI_SPUR_IMMUNITY_LEVEL = 5,	/* set level */
694 	HAL_ANI_MODE = 6,			/* 0 => manual, 1 => auto (XXX do not change) */
695 	HAL_ANI_PHYERR_RESET = 7,		/* reset phy error stats */
696 } HAL_ANI_CMD;
697 
698 /*
699  * This is the layout of the ANI INTMIT capability.
700  *
701  * Notice that the command values differ to HAL_ANI_CMD.
702  */
703 typedef enum {
704 	HAL_CAP_INTMIT_PRESENT = 0,
705 	HAL_CAP_INTMIT_ENABLE = 1,
706 	HAL_CAP_INTMIT_NOISE_IMMUNITY_LEVEL = 2,
707 	HAL_CAP_INTMIT_OFDM_WEAK_SIGNAL_LEVEL = 3,
708 	HAL_CAP_INTMIT_CCK_WEAK_SIGNAL_THR = 4,
709 	HAL_CAP_INTMIT_FIRSTEP_LEVEL = 5,
710 	HAL_CAP_INTMIT_SPUR_IMMUNITY_LEVEL = 6
711 } HAL_CAP_INTMIT_CMD;
712 
713 typedef struct {
714 	int32_t		pe_firpwr;	/* FIR pwr out threshold */
715 	int32_t		pe_rrssi;	/* Radar rssi thresh */
716 	int32_t		pe_height;	/* Pulse height thresh */
717 	int32_t		pe_prssi;	/* Pulse rssi thresh */
718 	int32_t		pe_inband;	/* Inband thresh */
719 
720 	/* The following params are only for AR5413 and later */
721 	u_int32_t	pe_relpwr;	/* Relative power threshold in 0.5dB steps */
722 	u_int32_t	pe_relstep;	/* Pulse Relative step threshold in 0.5dB steps */
723 	u_int32_t	pe_maxlen;	/* Max length of radar sign in 0.8us units */
724 	int32_t		pe_usefir128;	/* Use the average in-band power measured over 128 cycles */
725 	int32_t		pe_blockradar;	/*
726 					 * Enable to block radar check if pkt detect is done via OFDM
727 					 * weak signal detect or pkt is detected immediately after tx
728 					 * to rx transition
729 					 */
730 	int32_t		pe_enmaxrssi;	/*
731 					 * Enable to use the max rssi instead of the last rssi during
732 					 * fine gain changes for radar detection
733 					 */
734 	int32_t		pe_extchannel;	/* Enable DFS on ext channel */
735 	int32_t		pe_enabled;	/* Whether radar detection is enabled */
736 	int32_t		pe_enrelpwr;
737 	int32_t		pe_en_relstep_check;
738 } HAL_PHYERR_PARAM;
739 
740 #define	HAL_PHYERR_PARAM_NOVAL	65535
741 
742 /*
743  * DFS operating mode flags.
744  */
745 typedef enum {
746 	HAL_DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
747 	HAL_DFS_FCC_DOMAIN	= 1,	/* FCC3 dfs domain */
748 	HAL_DFS_ETSI_DOMAIN	= 2,	/* ETSI dfs domain */
749 	HAL_DFS_MKK4_DOMAIN	= 3,	/* Japan dfs domain */
750 } HAL_DFS_DOMAIN;
751 
752 /*
753  * Flag for setting QUIET period
754  */
755 typedef enum {
756 	HAL_QUIET_DISABLE		= 0x0,
757 	HAL_QUIET_ENABLE		= 0x1,
758 	HAL_QUIET_ADD_CURRENT_TSF	= 0x2,	/* add current TSF to next_start offset */
759 	HAL_QUIET_ADD_SWBA_RESP_TIME	= 0x4,	/* add beacon response time to next_start offset */
760 } HAL_QUIET_FLAG;
761 
762 #define	HAL_DFS_EVENT_PRICH		0x0000001
763 #define	HAL_DFS_EVENT_EXTCH		0x0000002
764 #define	HAL_DFS_EVENT_EXTEARLY		0x0000004
765 #define	HAL_DFS_EVENT_ISDC		0x0000008
766 
767 struct hal_dfs_event {
768 	uint64_t	re_full_ts;	/* 64-bit full timestamp from interrupt time */
769 	uint32_t	re_ts;		/* Original 15 bit recv timestamp */
770 	uint8_t		re_rssi;	/* rssi of radar event */
771 	uint8_t		re_dur;		/* duration of radar pulse */
772 	uint32_t	re_flags;	/* Flags (see above) */
773 };
774 typedef struct hal_dfs_event HAL_DFS_EVENT;
775 
776 typedef struct
777 {
778 	int ah_debug;			/* only used if AH_DEBUG is defined */
779 	int ah_ar5416_biasadj;		/* enable AR2133 radio specific bias fiddling */
780 
781 	/* NB: these are deprecated; they exist for now for compatibility */
782 	int ah_dma_beacon_response_time;/* in TU's */
783 	int ah_sw_beacon_response_time;	/* in TU's */
784 	int ah_additional_swba_backoff;	/* in TU's */
785 	int ah_force_full_reset;	/* force full chip reset rather then warm reset */
786 	int ah_serialise_reg_war;	/* force serialisation of register IO */
787 } HAL_OPS_CONFIG;
788 
789 /*
790  * Hardware Access Layer (HAL) API.
791  *
792  * Clients of the HAL call ath_hal_attach to obtain a reference to an
793  * ath_hal structure for use with the device.  Hardware-related operations
794  * that follow must call back into the HAL through interface, supplying
795  * the reference as the first parameter.  Note that before using the
796  * reference returned by ath_hal_attach the caller should verify the
797  * ABI version number.
798  */
799 struct ath_hal {
800 	uint32_t	ah_magic;	/* consistency check magic number */
801 	uint16_t	ah_devid;	/* PCI device ID */
802 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
803 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
804 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
805 	HAL_BUS_HANDLE	ah_sh;
806 	HAL_CTRY_CODE	ah_countryCode;
807 
808 	uint32_t	ah_macVersion;	/* MAC version id */
809 	uint16_t	ah_macRev;	/* MAC revision */
810 	uint16_t	ah_phyRev;	/* PHY revision */
811 	/* NB: when only one radio is present the rev is in 5Ghz */
812 	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
813 	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
814 
815 	uint16_t	*ah_eepromdata;	/* eeprom buffer, if needed */
816 
817 	uint32_t	ah_intrstate[8];	/* last int state */
818 
819 	HAL_OPS_CONFIG ah_config;
820 	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
821 				u_int mode);
822 	void	  __ahdecl(*ah_detach)(struct ath_hal*);
823 
824 	/* Reset functions */
825 	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
826 				struct ieee80211_channel *,
827 				HAL_BOOL bChannelChange, HAL_STATUS *status);
828 	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
829 	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
830 	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore);
831 	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
832 	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
833 	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*,
834 			struct ieee80211_channel *, HAL_BOOL *);
835 	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *,
836 			struct ieee80211_channel *, u_int chainMask,
837 			HAL_BOOL longCal, HAL_BOOL *isCalDone);
838 	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *,
839 			const struct ieee80211_channel *);
840 	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
841 	    		const struct ieee80211_channel *, uint16_t *);
842 	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
843 	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
844 	    		const struct ieee80211_channel *);
845 
846 	/* Transmit functions */
847 	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
848 				HAL_BOOL incTrigLevel);
849 	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
850 				const HAL_TXQ_INFO *qInfo);
851 	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
852 				const HAL_TXQ_INFO *qInfo);
853 	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
854 				HAL_TXQ_INFO *qInfo);
855 	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
856 	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
857 	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
858 	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
859 	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
860 	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
861 	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
862 	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
863 				u_int pktLen, u_int hdrLen,
864 				HAL_PKT_TYPE type, u_int txPower,
865 				u_int txRate0, u_int txTries0,
866 				u_int keyIx, u_int antMode, u_int flags,
867 				u_int rtsctsRate, u_int rtsctsDuration,
868 				u_int compicvLen, u_int compivLen,
869 				u_int comp);
870 	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
871 				u_int txRate1, u_int txTries1,
872 				u_int txRate2, u_int txTries2,
873 				u_int txRate3, u_int txTries3);
874 	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
875 				u_int segLen, HAL_BOOL firstSeg,
876 				HAL_BOOL lastSeg, const struct ath_desc *);
877 	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
878 				struct ath_desc *, struct ath_tx_status *);
879 	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
880 	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
881 	HAL_BOOL	__ahdecl(*ah_getTxCompletionRates)(struct ath_hal *,
882 				const struct ath_desc *ds, int *rates, int *tries);
883 
884 	/* Receive Functions */
885 	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*);
886 	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp);
887 	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
888 	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
889 	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*);
890 	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
891 	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
892 				uint32_t filter0, uint32_t filter1);
893 	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
894 				uint32_t index);
895 	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
896 				uint32_t index);
897 	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
898 	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
899 	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
900 				uint32_t size, u_int flags);
901 	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
902 				struct ath_desc *, uint32_t phyAddr,
903 				struct ath_desc *next, uint64_t tsf,
904 				struct ath_rx_status *);
905 	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
906 				const HAL_NODE_STATS *,
907 				const struct ieee80211_channel *);
908 	void      __ahdecl(*ah_aniPoll)(struct ath_hal *,
909 				const struct ieee80211_channel *);
910 	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
911 				const HAL_NODE_STATS *);
912 	void	  __ahdecl(*ah_rxAntCombDiversity)(struct ath_hal *,
913 				struct ath_rx_status *,
914 				unsigned long, int);
915 
916 	/* Misc Functions */
917 	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
918 				HAL_CAPABILITY_TYPE, uint32_t capability,
919 				uint32_t *result);
920 	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
921 				HAL_CAPABILITY_TYPE, uint32_t capability,
922 				uint32_t setting, HAL_STATUS *);
923 	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
924 				const void *args, uint32_t argsize,
925 				void **result, uint32_t *resultsize);
926 	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
927 	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
928 	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
929 	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
930 	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
931 				uint16_t, HAL_STATUS *);
932 	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
933 	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
934 				const uint8_t *bssid, uint16_t assocId);
935 	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
936 				uint32_t gpio, HAL_GPIO_MUX_TYPE);
937 	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
938 	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
939 	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
940 				uint32_t gpio, uint32_t val);
941 	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
942 	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
943 	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
944 	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
945 	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
946 	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
947 				HAL_MIB_STATS*);
948 	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
949 	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
950 	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
951 	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
952 	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
953 				HAL_ANT_SETTING);
954 	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
955 	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
956 	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
957 	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
958 	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
959 	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
960 	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
961 	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
962 	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
963 	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
964 	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
965 	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
966 	HAL_STATUS	__ahdecl(*ah_setQuiet)(struct ath_hal *ah, uint32_t period,
967 				uint32_t duration, uint32_t nextStart,
968 				HAL_QUIET_FLAG flag);
969 
970 	/* DFS functions */
971 	void	  __ahdecl(*ah_enableDfs)(struct ath_hal *ah,
972 				HAL_PHYERR_PARAM *pe);
973 	void	  __ahdecl(*ah_getDfsThresh)(struct ath_hal *ah,
974 				HAL_PHYERR_PARAM *pe);
975 	HAL_BOOL  __ahdecl(*ah_procRadarEvent)(struct ath_hal *ah,
976 				struct ath_rx_status *rxs, uint64_t fulltsf,
977 				const char *buf, HAL_DFS_EVENT *event);
978 	HAL_BOOL  __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
979 
980 	/* Key Cache Functions */
981 	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
982 	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
983 	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
984 				uint16_t);
985 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
986 				uint16_t, const HAL_KEYVAL *,
987 				const uint8_t *, int);
988 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
989 				uint16_t, const uint8_t *);
990 
991 	/* Power Management Functions */
992 	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
993 				HAL_POWER_MODE mode, int setChip);
994 	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
995 	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *,
996 				const struct ieee80211_channel *);
997 
998 	/* Beacon Management Functions */
999 	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
1000 				const HAL_BEACON_TIMERS *);
1001 	/* NB: deprecated, use ah_setBeaconTimers instead */
1002 	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
1003 				uint32_t nexttbtt, uint32_t intval);
1004 	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
1005 				const HAL_BEACON_STATE *);
1006 	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
1007 	uint64_t  __ahdecl(*ah_getNextTBTT)(struct ath_hal *);
1008 
1009 	/* 802.11n Functions */
1010 	HAL_BOOL  __ahdecl(*ah_chainTxDesc)(struct ath_hal *,
1011 				struct ath_desc *, u_int, u_int, HAL_PKT_TYPE,
1012 				u_int, HAL_CIPHER, uint8_t, u_int, HAL_BOOL,
1013 				HAL_BOOL, HAL_BOOL);
1014 	HAL_BOOL  __ahdecl(*ah_setupFirstTxDesc)(struct ath_hal *,
1015 				struct ath_desc *, u_int, u_int, u_int,
1016 				u_int, u_int, u_int, u_int, u_int);
1017 	HAL_BOOL  __ahdecl(*ah_setupLastTxDesc)(struct ath_hal *,
1018 				struct ath_desc *, const struct ath_desc *);
1019 	void	  __ahdecl(*ah_set11nRateScenario)(struct ath_hal *,
1020 	    			struct ath_desc *, u_int, u_int,
1021 				HAL_11N_RATE_SERIES [], u_int, u_int);
1022 	void	  __ahdecl(*ah_set11nAggrFirst)(struct ath_hal *,
1023 				struct ath_desc *, u_int, u_int);
1024 	void	  __ahdecl(*ah_set11nAggrMiddle)(struct ath_hal *,
1025 	    			struct ath_desc *, u_int);
1026 	void	  __ahdecl(*ah_set11nAggrLast)(struct ath_hal *,
1027 				struct ath_desc *);
1028 	void	  __ahdecl(*ah_clr11nAggr)(struct ath_hal *,
1029 	    			struct ath_desc *);
1030 	void	  __ahdecl(*ah_set11nBurstDuration)(struct ath_hal *,
1031 	    			struct ath_desc *, u_int);
1032 	uint32_t  __ahdecl(*ah_get_mib_cycle_counts_pct) (struct ath_hal *,
1033 				uint32_t *, uint32_t *, uint32_t *, uint32_t *);
1034 
1035 	uint32_t  __ahdecl(*ah_get11nExtBusy)(struct ath_hal *);
1036 	void      __ahdecl(*ah_set11nMac2040)(struct ath_hal *,
1037 				HAL_HT_MACMODE);
1038 	HAL_HT_RXCLEAR __ahdecl(*ah_get11nRxClear)(struct ath_hal *ah);
1039 	void	  __ahdecl(*ah_set11nRxClear)(struct ath_hal *,
1040 	    			HAL_HT_RXCLEAR);
1041 
1042 	/* Interrupt functions */
1043 	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
1044 	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
1045 	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
1046 	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
1047 };
1048 
1049 /*
1050  * Check the PCI vendor ID and device ID against Atheros' values
1051  * and return a printable description for any Atheros hardware.
1052  * AH_NULL is returned if the ID's do not describe Atheros hardware.
1053  */
1054 extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
1055 
1056 /*
1057  * Attach the HAL for use with the specified device.  The device is
1058  * defined by the PCI device ID.  The caller provides an opaque pointer
1059  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
1060  * HAL state block for later use.  Hardware register accesses are done
1061  * using the specified bus tag and handle.  On successful return a
1062  * reference to a state block is returned that must be supplied in all
1063  * subsequent HAL calls.  Storage associated with this reference is
1064  * dynamically allocated and must be freed by calling the ah_detach
1065  * method when the client is done.  If the attach operation fails a
1066  * null (AH_NULL) reference will be returned and a status code will
1067  * be returned if the status parameter is non-zero.
1068  */
1069 extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
1070 		HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata, HAL_STATUS* status);
1071 
1072 extern	const char *ath_hal_mac_name(struct ath_hal *);
1073 extern	const char *ath_hal_rf_name(struct ath_hal *);
1074 
1075 /*
1076  * Regulatory interfaces.  Drivers should use ath_hal_init_channels to
1077  * request a set of channels for a particular country code and/or
1078  * regulatory domain.  If CTRY_DEFAULT and SKU_NONE are specified then
1079  * this list is constructed according to the contents of the EEPROM.
1080  * ath_hal_getchannels acts similarly but does not alter the operating
1081  * state; this can be used to collect information for a particular
1082  * regulatory configuration.  Finally ath_hal_set_channels installs a
1083  * channel list constructed outside the driver.  The HAL will adopt the
1084  * channel list and setup internal state according to the specified
1085  * regulatory configuration (e.g. conformance test limits).
1086  *
1087  * For all interfaces the channel list is returned in the supplied array.
1088  * maxchans defines the maximum size of this array.  nchans contains the
1089  * actual number of channels returned.  If a problem occurred then a
1090  * status code != HAL_OK is returned.
1091  */
1092 struct ieee80211_channel;
1093 
1094 /*
1095  * Return a list of channels according to the specified regulatory.
1096  */
1097 extern	HAL_STATUS __ahdecl ath_hal_getchannels(struct ath_hal *,
1098     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1099     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn,
1100     HAL_BOOL enableExtendedChannels);
1101 
1102 /*
1103  * Return a list of channels and install it as the current operating
1104  * regulatory list.
1105  */
1106 extern	HAL_STATUS __ahdecl ath_hal_init_channels(struct ath_hal *,
1107     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1108     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN rd,
1109     HAL_BOOL enableExtendedChannels);
1110 
1111 /*
1112  * Install the list of channels as the current operating regulatory
1113  * and setup related state according to the country code and sku.
1114  */
1115 extern	HAL_STATUS __ahdecl ath_hal_set_channels(struct ath_hal *,
1116     struct ieee80211_channel *chans, int nchans,
1117     HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn);
1118 
1119 /*
1120  * Fetch the ctl/ext noise floor values reported by a MIMO
1121  * radio. Returns 1 for valid results, 0 for invalid channel.
1122  */
1123 extern int __ahdecl ath_hal_get_mimo_chan_noise(struct ath_hal *ah,
1124     const struct ieee80211_channel *chan, int16_t *nf_ctl,
1125     int16_t *nf_ext);
1126 
1127 /*
1128  * Calibrate noise floor data following a channel scan or similar.
1129  * This must be called prior retrieving noise floor data.
1130  */
1131 extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
1132 
1133 /*
1134  * Return bit mask of wireless modes supported by the hardware.
1135  */
1136 extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
1137 
1138 /*
1139  * Calculate the packet TX time for a legacy or 11n frame
1140  */
1141 extern uint32_t __ahdecl ath_hal_pkt_txtime(struct ath_hal *ah,
1142     const HAL_RATE_TABLE *rates, uint32_t frameLen,
1143     uint16_t rateix, HAL_BOOL isht40, HAL_BOOL shortPreamble);
1144 
1145 /*
1146  * Calculate the duration of an 11n frame.
1147  */
1148 extern uint32_t __ahdecl ath_computedur_ht(uint32_t frameLen, uint16_t rate,
1149     int streams, HAL_BOOL isht40, HAL_BOOL isShortGI);
1150 
1151 /*
1152  * Calculate the transmit duration of a legacy frame.
1153  */
1154 extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
1155 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
1156 		uint16_t rateix, HAL_BOOL shortPreamble);
1157 
1158 /*
1159  * Adjust the TSF.
1160  */
1161 extern void __ahdecl ath_hal_adjusttsf(struct ath_hal *ah, int32_t tsfdelta);
1162 
1163 /*
1164  * Enable or disable CCA.
1165  */
1166 void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
1167 
1168 /*
1169  * Get CCA setting.
1170  */
1171 int __ahdecl ath_hal_getcca(struct ath_hal *ah);
1172 
1173 /*
1174  * Read EEPROM data from ah_eepromdata
1175  */
1176 HAL_BOOL __ahdecl ath_hal_EepromDataRead(struct ath_hal *ah,
1177 		u_int off, uint16_t *data);
1178 
1179 #endif /* _ATH_AH_H_ */
1180