xref: /freebsd/sys/dev/ath/ath_hal/ah.h (revision 955c8cbb4960e6cf3602de144b1b9154a5092968)
1 /*
2  * Copyright (c) 2002-2009 Sam Leffler, Errno Consulting
3  * Copyright (c) 2002-2008 Atheros Communications, Inc.
4  *
5  * Permission to use, copy, modify, and/or distribute this software for any
6  * purpose with or without fee is hereby granted, provided that the above
7  * copyright notice and this permission notice appear in all copies.
8  *
9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
16  *
17  * $FreeBSD$
18  */
19 
20 #ifndef _ATH_AH_H_
21 #define _ATH_AH_H_
22 /*
23  * Atheros Hardware Access Layer
24  *
25  * Clients of the HAL call ath_hal_attach to obtain a reference to an ath_hal
26  * structure for use with the device.  Hardware-related operations that
27  * follow must call back into the HAL through interface, supplying the
28  * reference as the first parameter.
29  */
30 
31 #include "ah_osdep.h"
32 
33 /*
34  * The maximum number of TX/RX chains supported.
35  * This is intended to be used by various statistics gathering operations
36  * (NF, RSSI, EVM).
37  */
38 #define	AH_MAX_CHAINS			3
39 #define	AH_MIMO_MAX_EVM_PILOTS		6
40 
41 /*
42  * __ahdecl is analogous to _cdecl; it defines the calling
43  * convention used within the HAL.  For most systems this
44  * can just default to be empty and the compiler will (should)
45  * use _cdecl.  For systems where _cdecl is not compatible this
46  * must be defined.  See linux/ah_osdep.h for an example.
47  */
48 #ifndef __ahdecl
49 #define __ahdecl
50 #endif
51 
52 /*
53  * Status codes that may be returned by the HAL.  Note that
54  * interfaces that return a status code set it only when an
55  * error occurs--i.e. you cannot check it for success.
56  */
57 typedef enum {
58 	HAL_OK		= 0,	/* No error */
59 	HAL_ENXIO	= 1,	/* No hardware present */
60 	HAL_ENOMEM	= 2,	/* Memory allocation failed */
61 	HAL_EIO		= 3,	/* Hardware didn't respond as expected */
62 	HAL_EEMAGIC	= 4,	/* EEPROM magic number invalid */
63 	HAL_EEVERSION	= 5,	/* EEPROM version invalid */
64 	HAL_EELOCKED	= 6,	/* EEPROM unreadable */
65 	HAL_EEBADSUM	= 7,	/* EEPROM checksum invalid */
66 	HAL_EEREAD	= 8,	/* EEPROM read problem */
67 	HAL_EEBADMAC	= 9,	/* EEPROM mac address invalid */
68 	HAL_EESIZE	= 10,	/* EEPROM size not supported */
69 	HAL_EEWRITE	= 11,	/* Attempt to change write-locked EEPROM */
70 	HAL_EINVAL	= 12,	/* Invalid parameter to function */
71 	HAL_ENOTSUPP	= 13,	/* Hardware revision not supported */
72 	HAL_ESELFTEST	= 14,	/* Hardware self-test failed */
73 	HAL_EINPROGRESS	= 15,	/* Operation incomplete */
74 	HAL_EEBADREG	= 16,	/* EEPROM invalid regulatory contents */
75 	HAL_EEBADCC	= 17,	/* EEPROM invalid country code */
76 	HAL_INV_PMODE	= 18,	/* Couldn't bring out of sleep state */
77 } HAL_STATUS;
78 
79 typedef enum {
80 	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
81 	AH_TRUE  = 1,
82 } HAL_BOOL;
83 
84 typedef enum {
85 	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
86 	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
87 	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
88 	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
89 	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
90 	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
91 	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
92 	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
93 	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
94 	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll support */
95 	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
96 	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
97 	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
98 	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
99 	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
100 	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
101 	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
102 	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
103 	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
104 	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
105 	/* 21 was HAL_CAP_XR */
106 	HAL_CAP_WME_TKIPMIC 	= 22,   /* hardware can support TKIP MIC when WMM is turned on */
107 	/* 23 was HAL_CAP_CHAN_HALFRATE */
108 	/* 24 was HAL_CAP_CHAN_QUARTERRATE */
109 	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
110 	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
111 	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
112 	HAL_CAP_11D		= 28,   /* 11d beacon support for changing cc */
113 	HAL_CAP_PCIE_PS		= 29,
114 	HAL_CAP_HT		= 30,   /* hardware can support HT */
115 	HAL_CAP_GTXTO		= 31,	/* hardware supports global tx timeout */
116 	HAL_CAP_FAST_CC		= 32,	/* hardware supports fast channel change */
117 	HAL_CAP_TX_CHAINMASK	= 33,	/* mask of TX chains supported */
118 	HAL_CAP_RX_CHAINMASK	= 34,	/* mask of RX chains supported */
119 	HAL_CAP_NUM_GPIO_PINS	= 36,	/* number of GPIO pins */
120 
121 	HAL_CAP_CST		= 38,	/* hardware supports carrier sense timeout */
122 	HAL_CAP_RIFS_RX		= 39,
123 	HAL_CAP_RIFS_TX		= 40,
124 	HAL_CAP_FORCE_PPM	= 41,
125 	HAL_CAP_RTS_AGGR_LIMIT	= 42,	/* aggregation limit with RTS */
126 	HAL_CAP_4ADDR_AGGR	= 43,	/* hardware is capable of 4addr aggregation */
127 	HAL_CAP_DFS_DMN		= 44,	/* current DFS domain */
128 	HAL_CAP_EXT_CHAN_DFS	= 45,	/* DFS support for extension channel */
129 	HAL_CAP_COMBINED_RADAR_RSSI	= 46,	/* Is combined RSSI for radar accurate */
130 
131 	HAL_CAP_AUTO_SLEEP	= 48,	/* hardware can go to network sleep
132 					   automatically after waking up to receive TIM */
133 	HAL_CAP_MBSSID_AGGR_SUPPORT	= 49, /* Support for mBSSID Aggregation */
134 	HAL_CAP_SPLIT_4KB_TRANS	= 50,	/* hardware supports descriptors straddling a 4k page boundary */
135 	HAL_CAP_REG_FLAG	= 51,	/* Regulatory domain flags */
136 	HAL_CAP_BB_RIFS_HANG	= 52,
137 	HAL_CAP_RIFS_RX_ENABLED	= 53,
138 	HAL_CAP_BB_DFS_HANG	= 54,
139 
140 	HAL_CAP_BT_COEX		= 60,	/* hardware is capable of bluetooth coexistence */
141 	HAL_CAP_DYNAMIC_SMPS	= 61,	/* Dynamic MIMO Power Save hardware support */
142 
143 	HAL_CAP_DS		= 67,	/* 2 stream */
144 	HAL_CAP_BB_RX_CLEAR_STUCK_HANG	= 68,
145 	HAL_CAP_MAC_HANG	= 69,	/* can MAC hang */
146 	HAL_CAP_MFP		= 70,	/* Management Frame Protection in hardware */
147 
148 	HAL_CAP_TS		= 72,	/* 3 stream */
149 
150 	HAL_CAP_ENHANCED_DMA_SUPPORT	= 75,	/* DMA FIFO support */
151 	HAL_CAP_NUM_TXMAPS	= 76,	/* Number of buffers in a transmit descriptor */
152 	HAL_CAP_TXDESCLEN	= 77,	/* Length of transmit descriptor */
153 	HAL_CAP_TXSTATUSLEN	= 78,	/* Length of transmit status descriptor */
154 	HAL_CAP_RXSTATUSLEN	= 79,	/* Length of transmit status descriptor */
155 	HAL_CAP_RXFIFODEPTH	= 80,	/* Receive hardware FIFO depth */
156 	HAL_CAP_RXBUFSIZE	= 81,	/* Receive Buffer Length */
157 	HAL_CAP_NUM_MR_RETRIES	= 82,	/* limit on multirate retries */
158 	HAL_CAP_OL_PWRCTRL	= 84,	/* Open loop TX power control */
159 	HAL_CAP_SPECTRAL_SCAN	= 90,	/* Hardware supports spectral scan */
160 
161 	HAL_CAP_BB_PANIC_WATCHDOG	= 92,
162 
163 	HAL_CAP_HT20_SGI	= 96,	/* hardware supports HT20 short GI */
164 
165 	HAL_CAP_LDPC		= 99,
166 
167 	HAL_CAP_RXTSTAMP_PREC	= 100,	/* rx desc tstamp precision (bits) */
168 
169 	HAL_CAP_PHYRESTART_CLR_WAR	= 106,	/* in some cases, clear phy restart to fix bb hang */
170 	HAL_CAP_ENTERPRISE_MODE	= 107,	/* Enterprise mode features */
171 	HAL_CAP_LDPCWAR		= 108,
172 	HAL_CAP_CHANNEL_SWITCH_TIME_USEC	= 109,	/* Channel change time, usec */
173 	HAL_CAP_ENABLE_APM	= 110,	/* APM enabled */
174 	HAL_CAP_PCIE_LCR_EXTSYNC_EN	= 111,
175 	HAL_CAP_PCIE_LCR_OFFSET	= 112,
176 
177 	HAL_CAP_ENHANCED_DFS_SUPPORT	= 117,	/* hardware supports enhanced DFS */
178 	HAL_CAP_MCI		= 118,
179 	HAL_CAP_SMARTANTENNA	= 119,
180 	HAL_CAP_TRAFFIC_FAST_RECOVER	= 120,
181 	HAL_CAP_TX_DIVERSITY	= 121,
182 	HAL_CAP_CRDC		= 122,
183 
184 	/* The following are private to the FreeBSD HAL (224 onward) */
185 
186 	HAL_CAP_INTMIT		= 229,	/* interference mitigation */
187 	HAL_CAP_RXORN_FATAL	= 230,	/* HAL_INT_RXORN treated as fatal */
188 	HAL_CAP_BB_HANG		= 235,	/* can baseband hang */
189 	HAL_CAP_INTRMASK	= 237,	/* bitmask of supported interrupts */
190 	HAL_CAP_BSSIDMATCH	= 238,	/* hardware has disable bssid match */
191 	HAL_CAP_STREAMS		= 239,	/* how many 802.11n spatial streams are available */
192 	HAL_CAP_RXDESC_SELFLINK	= 242,	/* support a self-linked tail RX descriptor */
193 	HAL_CAP_LONG_RXDESC_TSF	= 243,	/* hardware supports 32bit TSF in RX descriptor */
194 	HAL_CAP_BB_READ_WAR	= 244,	/* baseband read WAR */
195 	HAL_CAP_SERIALISE_WAR	= 245,	/* serialise register access on PCI */
196 	HAL_CAP_ENFORCE_TXOP	= 246,	/* Enforce TXOP if supported */
197 } HAL_CAPABILITY_TYPE;
198 
199 /*
200  * "States" for setting the LED.  These correspond to
201  * the possible 802.11 operational states and there may
202  * be a many-to-one mapping between these states and the
203  * actual hardware state for the LED's (i.e. the hardware
204  * may have fewer states).
205  */
206 typedef enum {
207 	HAL_LED_INIT	= 0,
208 	HAL_LED_SCAN	= 1,
209 	HAL_LED_AUTH	= 2,
210 	HAL_LED_ASSOC	= 3,
211 	HAL_LED_RUN	= 4
212 } HAL_LED_STATE;
213 
214 /*
215  * Transmit queue types/numbers.  These are used to tag
216  * each transmit queue in the hardware and to identify a set
217  * of transmit queues for operations such as start/stop dma.
218  */
219 typedef enum {
220 	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
221 	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
222 	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
223 	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
224 	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
225 	HAL_TX_QUEUE_PSPOLL	= 5,		/* power save poll xmit q */
226 	HAL_TX_QUEUE_CFEND	= 6,
227 	HAL_TX_QUEUE_PAPRD	= 7,
228 } HAL_TX_QUEUE;
229 
230 #define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
231 
232 /*
233  * Receive queue types.  These are used to tag
234  * each transmit queue in the hardware and to identify a set
235  * of transmit queues for operations such as start/stop dma.
236  */
237 typedef enum {
238 	HAL_RX_QUEUE_HP = 0,			/* high priority recv queue */
239 	HAL_RX_QUEUE_LP = 1,			/* low priority recv queue */
240 } HAL_RX_QUEUE;
241 
242 #define	HAL_NUM_RX_QUEUES	2		/* max possible # of queues */
243 
244 #define	HAL_TXFIFO_DEPTH	8		/* transmit fifo depth */
245 
246 /*
247  * Transmit queue subtype.  These map directly to
248  * WME Access Categories (except for UPSD).  Refer
249  * to Table 5 of the WME spec.
250  */
251 typedef enum {
252 	HAL_WME_AC_BK	= 0,			/* background access category */
253 	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
254 	HAL_WME_AC_VI	= 2,			/* video access category */
255 	HAL_WME_AC_VO	= 3,			/* voice access category */
256 	HAL_WME_UPSD	= 4,			/* uplink power save */
257 } HAL_TX_QUEUE_SUBTYPE;
258 
259 /*
260  * Transmit queue flags that control various
261  * operational parameters.
262  */
263 typedef enum {
264 	/*
265 	 * Per queue interrupt enables.  When set the associated
266 	 * interrupt may be delivered for packets sent through
267 	 * the queue.  Without these enabled no interrupts will
268 	 * be delivered for transmits through the queue.
269 	 */
270 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
271 	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
272 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
273 	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
274 	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
275 	/*
276 	 * Enable hardware compression for packets sent through
277 	 * the queue.  The compression buffer must be setup and
278 	 * packets must have a key entry marked in the tx descriptor.
279 	 */
280 	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
281 	/*
282 	 * Disable queue when veol is hit or ready time expires.
283 	 * By default the queue is disabled only on reaching the
284 	 * physical end of queue (i.e. a null link ptr in the
285 	 * descriptor chain).
286 	 */
287 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
288 	/*
289 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
290 	 * event.  Frames will be transmitted only when this timer
291 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
292 	 */
293 	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
294 	/*
295 	 * Each transmit queue has a counter that is incremented
296 	 * each time the queue is enabled and decremented when
297 	 * the list of frames to transmit is traversed (or when
298 	 * the ready time for the queue expires).  This counter
299 	 * must be non-zero for frames to be scheduled for
300 	 * transmission.  The following controls disable bumping
301 	 * this counter under certain conditions.  Typically this
302 	 * is used to gate frames based on the contents of another
303 	 * queue (e.g. CAB traffic may only follow a beacon frame).
304 	 * These are meaningful only when frames are scheduled
305 	 * with a non-ASAP policy (e.g. DBA-gated).
306 	 */
307 	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
308 	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
309 
310 	/*
311 	 * Fragment burst backoff policy.  Normally the no backoff
312 	 * is done after a successful transmission, the next fragment
313 	 * is sent at SIFS.  If this flag is set backoff is done
314 	 * after each fragment, regardless whether it was ack'd or
315 	 * not, after the backoff count reaches zero a normal channel
316 	 * access procedure is done before the next transmit (i.e.
317 	 * wait AIFS instead of SIFS).
318 	 */
319 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
320 	/*
321 	 * Disable post-tx backoff following each frame.
322 	 */
323 	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
324 	/*
325 	 * DCU arbiter lockout control.  This controls how
326 	 * lower priority tx queues are handled with respect to
327 	 * to a specific queue when multiple queues have frames
328 	 * to send.  No lockout means lower priority queues arbitrate
329 	 * concurrently with this queue.  Intra-frame lockout
330 	 * means lower priority queues are locked out until the
331 	 * current frame transmits (e.g. including backoffs and bursting).
332 	 * Global lockout means nothing lower can arbitrary so
333 	 * long as there is traffic activity on this queue (frames,
334 	 * backoff, etc).
335 	 */
336 	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
337 	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
338 
339 	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
340 	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
341 } HAL_TX_QUEUE_FLAGS;
342 
343 typedef struct {
344 	uint32_t	tqi_ver;		/* hal TXQ version */
345 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
346 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
347 	uint32_t	tqi_priority;		/* (not used) */
348 	uint32_t	tqi_aifs;		/* aifs */
349 	uint32_t	tqi_cwmin;		/* cwMin */
350 	uint32_t	tqi_cwmax;		/* cwMax */
351 	uint16_t	tqi_shretry;		/* rts retry limit */
352 	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
353 	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
354 	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
355 	uint32_t	tqi_burstTime;		/* max burst duration (us) */
356 	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
357 	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
358 } HAL_TXQ_INFO;
359 
360 #define HAL_TQI_NONVAL 0xffff
361 
362 /* token to use for aifs, cwmin, cwmax */
363 #define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
364 
365 /* compression definitions */
366 #define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
367 #define HAL_COMP_BUF_ALIGN_SIZE         512
368 
369 /*
370  * Transmit packet types.  This belongs in ah_desc.h, but
371  * is here so we can give a proper type to various parameters
372  * (and not require everyone include the file).
373  *
374  * NB: These values are intentionally assigned for
375  *     direct use when setting up h/w descriptors.
376  */
377 typedef enum {
378 	HAL_PKT_TYPE_NORMAL	= 0,
379 	HAL_PKT_TYPE_ATIM	= 1,
380 	HAL_PKT_TYPE_PSPOLL	= 2,
381 	HAL_PKT_TYPE_BEACON	= 3,
382 	HAL_PKT_TYPE_PROBE_RESP	= 4,
383 	HAL_PKT_TYPE_CHIRP	= 5,
384 	HAL_PKT_TYPE_GRP_POLL	= 6,
385 	HAL_PKT_TYPE_AMPDU	= 7,
386 } HAL_PKT_TYPE;
387 
388 /* Rx Filter Frame Types */
389 typedef enum {
390 	/*
391 	 * These bits correspond to AR_RX_FILTER for all chips.
392 	 * Not all bits are supported by all chips.
393 	 */
394 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
395 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
396 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
397 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
398 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
399 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
400 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
401 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
402 	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
403 	HAL_RX_FILTER_COMP_BA	= 0x00000800,	/* Allow compressed blockack */
404 	HAL_RX_FILTER_PHYRADAR	= 0x00002000,	/* Allow phy radar errors */
405 	HAL_RX_FILTER_PSPOLL	= 0x00004000,	/* Allow PS-POLL frames */
406 	HAL_RX_FILTER_MCAST_BCAST_ALL	= 0x00008000,
407 						/* Allow all mcast/bcast frames */
408 
409 	/*
410 	 * Magic RX filter flags that aren't targetting hardware bits
411 	 * but instead the HAL sets individual bits - eg PHYERR will result
412 	 * in OFDM/CCK timing error frames being received.
413 	 */
414 	HAL_RX_FILTER_BSSID	= 0x40000000,	/* Disable BSSID match */
415 } HAL_RX_FILTER;
416 
417 typedef enum {
418 	HAL_PM_AWAKE		= 0,
419 	HAL_PM_FULL_SLEEP	= 1,
420 	HAL_PM_NETWORK_SLEEP	= 2,
421 	HAL_PM_UNDEFINED	= 3
422 } HAL_POWER_MODE;
423 
424 /*
425  * Enterprise mode flags
426  */
427 #define	AH_ENT_DUAL_BAND_DISABLE	0x00000001
428 #define	AH_ENT_CHAIN2_DISABLE		0x00000002
429 #define	AH_ENT_5MHZ_DISABLE		0x00000004
430 #define	AH_ENT_10MHZ_DISABLE		0x00000008
431 #define	AH_ENT_49GHZ_DISABLE		0x00000010
432 #define	AH_ENT_LOOPBACK_DISABLE		0x00000020
433 #define	AH_ENT_TPC_PERF_DISABLE		0x00000040
434 #define	AH_ENT_MIN_PKT_SIZE_DISABLE	0x00000080
435 #define	AH_ENT_SPECTRAL_PRECISION	0x00000300
436 #define	AH_ENT_SPECTRAL_PRECISION_S	8
437 #define	AH_ENT_RTSCTS_DELIM_WAR		0x00010000
438 
439 #define AH_FIRST_DESC_NDELIMS 60
440 
441 /*
442  * NOTE WELL:
443  * These are mapped to take advantage of the common locations for many of
444  * the bits on all of the currently supported MAC chips. This is to make
445  * the ISR as efficient as possible, while still abstracting HW differences.
446  * When new hardware breaks this commonality this enumerated type, as well
447  * as the HAL functions using it, must be modified. All values are directly
448  * mapped unless commented otherwise.
449  */
450 typedef enum {
451 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
452 	HAL_INT_RXDESC	= 0x00000002,	/* Legacy mapping */
453 	HAL_INT_RXERR	= 0x00000004,
454 	HAL_INT_RXHP	= 0x00000001,	/* EDMA */
455 	HAL_INT_RXLP	= 0x00000002,	/* EDMA */
456 	HAL_INT_RXNOFRM	= 0x00000008,
457 	HAL_INT_RXEOL	= 0x00000010,
458 	HAL_INT_RXORN	= 0x00000020,
459 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
460 	HAL_INT_TXDESC	= 0x00000080,
461 	HAL_INT_TIM_TIMER= 0x00000100,
462 	HAL_INT_MCI	= 0x00000200,
463 	HAL_INT_BBPANIC	= 0x00000400,
464 	HAL_INT_TXURN	= 0x00000800,
465 	HAL_INT_MIB	= 0x00001000,
466 	HAL_INT_RXPHY	= 0x00004000,
467 	HAL_INT_RXKCM	= 0x00008000,
468 	HAL_INT_SWBA	= 0x00010000,
469 	HAL_INT_BRSSI	= 0x00020000,
470 	HAL_INT_BMISS	= 0x00040000,
471 	HAL_INT_BNR	= 0x00100000,
472 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
473 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
474 	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
475 	HAL_INT_GPIO	= 0x01000000,
476 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
477 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
478 	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
479 	/* Atheros ref driver has a generic timer interrupt now..*/
480 	HAL_INT_GENTIMER	= 0x08000000,	/* Non-common mapping */
481 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
482 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
483 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
484 #define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
485 	HAL_INT_BMISC	= HAL_INT_TIM
486 			| HAL_INT_DTIM
487 			| HAL_INT_DTIMSYNC
488 			| HAL_INT_CABEND
489 			| HAL_INT_TBTT,
490 
491 	/* Interrupt bits that map directly to ISR/IMR bits */
492 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
493 			| HAL_INT_RXDESC
494 			| HAL_INT_RXEOL
495 			| HAL_INT_RXORN
496 			| HAL_INT_TXDESC
497 			| HAL_INT_TXURN
498 			| HAL_INT_MIB
499 			| HAL_INT_RXPHY
500 			| HAL_INT_RXKCM
501 			| HAL_INT_SWBA
502 			| HAL_INT_BMISS
503 			| HAL_INT_BRSSI
504 			| HAL_INT_BNR
505 			| HAL_INT_GPIO,
506 } HAL_INT;
507 
508 /*
509  * MSI vector assignments
510  */
511 typedef enum {
512 	HAL_MSIVEC_MISC = 0,
513 	HAL_MSIVEC_TX   = 1,
514 	HAL_MSIVEC_RXLP = 2,
515 	HAL_MSIVEC_RXHP = 3,
516 } HAL_MSIVEC;
517 
518 typedef enum {
519 	HAL_INT_LINE = 0,
520 	HAL_INT_MSI  = 1,
521 } HAL_INT_TYPE;
522 
523 /* For interrupt mitigation registers */
524 typedef enum {
525 	HAL_INT_RX_FIRSTPKT=0,
526 	HAL_INT_RX_LASTPKT,
527 	HAL_INT_TX_FIRSTPKT,
528 	HAL_INT_TX_LASTPKT,
529 	HAL_INT_THRESHOLD
530 } HAL_INT_MITIGATION;
531 
532 /* XXX this is duplicate information! */
533 typedef struct {
534 	u_int32_t	cyclecnt_diff;		/* delta cycle count */
535 	u_int32_t	rxclr_cnt;		/* rx clear count */
536 	u_int32_t	txframecnt_diff;	/* delta tx frame count */
537 	u_int32_t	rxframecnt_diff;	/* delta rx frame count */
538 	u_int32_t	listen_time;		/* listen time in msec - time for which ch is free */
539 	u_int32_t	ofdmphyerr_cnt;		/* OFDM err count since last reset */
540 	u_int32_t	cckphyerr_cnt;		/* CCK err count since last reset */
541 	u_int32_t	ofdmphyerrcnt_diff;	/* delta OFDM Phy Error Count */
542 	HAL_BOOL	valid;			/* if the stats are valid*/
543 } HAL_ANISTATS;
544 
545 typedef struct {
546 	u_int8_t	txctl_offset;
547 	u_int8_t	txctl_numwords;
548 	u_int8_t	txstatus_offset;
549 	u_int8_t	txstatus_numwords;
550 
551 	u_int8_t	rxctl_offset;
552 	u_int8_t	rxctl_numwords;
553 	u_int8_t	rxstatus_offset;
554 	u_int8_t	rxstatus_numwords;
555 
556 	u_int8_t	macRevision;
557 } HAL_DESC_INFO;
558 
559 typedef enum {
560 	HAL_GPIO_OUTPUT_MUX_AS_OUTPUT		= 0,
561 	HAL_GPIO_OUTPUT_MUX_PCIE_ATTENTION_LED	= 1,
562 	HAL_GPIO_OUTPUT_MUX_PCIE_POWER_LED	= 2,
563 	HAL_GPIO_OUTPUT_MUX_MAC_NETWORK_LED	= 3,
564 	HAL_GPIO_OUTPUT_MUX_MAC_POWER_LED	= 4,
565 	HAL_GPIO_OUTPUT_MUX_AS_WLAN_ACTIVE	= 5,
566 	HAL_GPIO_OUTPUT_MUX_AS_TX_FRAME		= 6
567 } HAL_GPIO_MUX_TYPE;
568 
569 typedef enum {
570 	HAL_GPIO_INTR_LOW		= 0,
571 	HAL_GPIO_INTR_HIGH		= 1,
572 	HAL_GPIO_INTR_DISABLE		= 2
573 } HAL_GPIO_INTR_TYPE;
574 
575 typedef struct halCounters {
576     u_int32_t   tx_frame_count;
577     u_int32_t   rx_frame_count;
578     u_int32_t   rx_clear_count;
579     u_int32_t   cycle_count;
580     u_int8_t    is_rx_active;     // true (1) or false (0)
581     u_int8_t    is_tx_active;     // true (1) or false (0)
582 } HAL_COUNTERS;
583 
584 typedef enum {
585 	HAL_RFGAIN_INACTIVE		= 0,
586 	HAL_RFGAIN_READ_REQUESTED	= 1,
587 	HAL_RFGAIN_NEED_CHANGE		= 2
588 } HAL_RFGAIN;
589 
590 typedef uint16_t HAL_CTRY_CODE;		/* country code */
591 typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
592 
593 #define HAL_ANTENNA_MIN_MODE  0
594 #define HAL_ANTENNA_FIXED_A   1
595 #define HAL_ANTENNA_FIXED_B   2
596 #define HAL_ANTENNA_MAX_MODE  3
597 
598 typedef struct {
599 	uint32_t	ackrcv_bad;
600 	uint32_t	rts_bad;
601 	uint32_t	rts_good;
602 	uint32_t	fcs_bad;
603 	uint32_t	beacons;
604 } HAL_MIB_STATS;
605 
606 /*
607  * These bits represent what's in ah_currentRDext.
608  */
609 typedef enum {
610 	REG_EXT_FCC_MIDBAND		= 0,
611 	REG_EXT_JAPAN_MIDBAND		= 1,
612 	REG_EXT_FCC_DFS_HT40		= 2,
613 	REG_EXT_JAPAN_NONDFS_HT40	= 3,
614 	REG_EXT_JAPAN_DFS_HT40		= 4
615 } REG_EXT_BITMAP;
616 
617 enum {
618 	HAL_MODE_11A	= 0x001,		/* 11a channels */
619 	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
620 	HAL_MODE_11B	= 0x004,		/* 11b channels */
621 	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
622 #ifdef notdef
623 	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
624 #else
625 	HAL_MODE_11G	= 0x008,		/* XXX historical */
626 #endif
627 	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
628 	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
629 	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
630 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
631 	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
632 	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
633 	HAL_MODE_11NG_HT20	= 0x008000,
634 	HAL_MODE_11NA_HT20  	= 0x010000,
635 	HAL_MODE_11NG_HT40PLUS	= 0x020000,
636 	HAL_MODE_11NG_HT40MINUS	= 0x040000,
637 	HAL_MODE_11NA_HT40PLUS	= 0x080000,
638 	HAL_MODE_11NA_HT40MINUS	= 0x100000,
639 	HAL_MODE_ALL	= 0xffffff
640 };
641 
642 typedef struct {
643 	int		rateCount;		/* NB: for proper padding */
644 	uint8_t		rateCodeToIndex[256];	/* back mapping */
645 	struct {
646 		uint8_t		valid;		/* valid for rate control use */
647 		uint8_t		phy;		/* CCK/OFDM/XR */
648 		uint32_t	rateKbps;	/* transfer rate in kbs */
649 		uint8_t		rateCode;	/* rate for h/w descriptors */
650 		uint8_t		shortPreamble;	/* mask for enabling short
651 						 * preamble in CCK rate code */
652 		uint8_t		dot11Rate;	/* value for supported rates
653 						 * info element of MLME */
654 		uint8_t		controlRate;	/* index of next lower basic
655 						 * rate; used for dur. calcs */
656 		uint16_t	lpAckDuration;	/* long preamble ACK duration */
657 		uint16_t	spAckDuration;	/* short preamble ACK duration*/
658 	} info[64];
659 } HAL_RATE_TABLE;
660 
661 typedef struct {
662 	u_int		rs_count;		/* number of valid entries */
663 	uint8_t	rs_rates[64];		/* rates */
664 } HAL_RATE_SET;
665 
666 /*
667  * 802.11n specific structures and enums
668  */
669 typedef enum {
670 	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
671 	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
672 } HAL_CHAIN_TYPE;
673 
674 typedef struct {
675 	u_int	Tries;
676 	u_int	Rate;		/* hardware rate code */
677 	u_int	RateIndex;	/* rate series table index */
678 	u_int	PktDuration;
679 	u_int	ChSel;
680 	u_int	RateFlags;
681 #define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
682 #define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
683 #define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
684 #define	HAL_RATESERIES_STBC		0x0008	/* use STBC for series */
685 	u_int	tx_power_cap;		/* in 1/2 dBm units XXX TODO */
686 } HAL_11N_RATE_SERIES;
687 
688 typedef enum {
689 	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
690 	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
691 } HAL_HT_MACMODE;
692 
693 typedef enum {
694 	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
695 	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
696 } HAL_HT_PHYMODE;
697 
698 typedef enum {
699 	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
700 	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
701 } HAL_HT_EXTPROTSPACING;
702 
703 
704 typedef enum {
705 	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
706 	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
707 } HAL_HT_RXCLEAR;
708 
709 typedef enum {
710 	HAL_FREQ_BAND_5GHZ	= 0,
711 	HAL_FREQ_BAND_2GHZ	= 1,
712 } HAL_FREQ_BAND;
713 
714 /*
715  * Antenna switch control.  By default antenna selection
716  * enables multiple (2) antenna use.  To force use of the
717  * A or B antenna only specify a fixed setting.  Fixing
718  * the antenna will also disable any diversity support.
719  */
720 typedef enum {
721 	HAL_ANT_VARIABLE = 0,			/* variable by programming */
722 	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
723 	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
724 } HAL_ANT_SETTING;
725 
726 typedef enum {
727 	HAL_M_STA	= 1,			/* infrastructure station */
728 	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
729 	HAL_M_HOSTAP	= 6,			/* Software Access Point */
730 	HAL_M_MONITOR	= 8			/* Monitor mode */
731 } HAL_OPMODE;
732 
733 typedef struct {
734 	uint8_t		kv_type;		/* one of HAL_CIPHER */
735 	uint8_t		kv_apsd;		/* Mask for APSD enabled ACs */
736 	uint16_t	kv_len;			/* length in bits */
737 	uint8_t		kv_val[16];		/* enough for 128-bit keys */
738 	uint8_t		kv_mic[8];		/* TKIP MIC key */
739 	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
740 } HAL_KEYVAL;
741 
742 /*
743  * This is the TX descriptor field which marks the key padding requirement.
744  * The naming is unfortunately unclear.
745  */
746 #define AH_KEYTYPE_MASK     0x0F
747 typedef enum {
748     HAL_KEY_TYPE_CLEAR,
749     HAL_KEY_TYPE_WEP,
750     HAL_KEY_TYPE_AES,
751     HAL_KEY_TYPE_TKIP,
752 } HAL_KEY_TYPE;
753 
754 typedef enum {
755 	HAL_CIPHER_WEP		= 0,
756 	HAL_CIPHER_AES_OCB	= 1,
757 	HAL_CIPHER_AES_CCM	= 2,
758 	HAL_CIPHER_CKIP		= 3,
759 	HAL_CIPHER_TKIP		= 4,
760 	HAL_CIPHER_CLR		= 5,		/* no encryption */
761 
762 	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
763 } HAL_CIPHER;
764 
765 enum {
766 	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
767 	HAL_SLOT_TIME_9	 = 9,
768 	HAL_SLOT_TIME_20 = 20,
769 };
770 
771 /*
772  * Per-station beacon timer state.  Note that the specified
773  * beacon interval (given in TU's) can also include flags
774  * to force a TSF reset and to enable the beacon xmit logic.
775  * If bs_cfpmaxduration is non-zero the hardware is setup to
776  * coexist with a PCF-capable AP.
777  */
778 typedef struct {
779 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
780 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
781 	uint32_t	bs_intval;		/* beacon interval+flags */
782 /*
783  * HAL_BEACON_PERIOD, HAL_BEACON_ENA and HAL_BEACON_RESET_TSF
784  * are all 1:1 correspondances with the pre-11n chip AR_BEACON
785  * register.
786  */
787 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
788 #define	HAL_BEACON_PERIOD_TU8	0x0007ffff	/* beacon interval, tu/8 */
789 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
790 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
791 #define	HAL_TSFOOR_THRESHOLD	0x00004240	/* TSF OOR thresh (16k uS) */
792 	uint32_t	bs_dtimperiod;
793 	uint16_t	bs_cfpperiod;		/* CFP period in TU */
794 	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
795 	uint32_t	bs_cfpnext;		/* next CFP in TU */
796 	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
797 	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
798 	uint32_t	bs_sleepduration;	/* max sleep duration */
799 	uint32_t	bs_tsfoor_threshold;	/* TSF out of range threshold */
800 } HAL_BEACON_STATE;
801 
802 /*
803  * Like HAL_BEACON_STATE but for non-station mode setup.
804  * NB: see above flag definitions for bt_intval.
805  */
806 typedef struct {
807 	uint32_t	bt_intval;		/* beacon interval+flags */
808 	uint32_t	bt_nexttbtt;		/* next beacon in TU */
809 	uint32_t	bt_nextatim;		/* next ATIM in TU */
810 	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
811 	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
812 	uint32_t	bt_flags;		/* timer enables */
813 #define HAL_BEACON_TBTT_EN	0x00000001
814 #define HAL_BEACON_DBA_EN	0x00000002
815 #define HAL_BEACON_SWBA_EN	0x00000004
816 } HAL_BEACON_TIMERS;
817 
818 /*
819  * Per-node statistics maintained by the driver for use in
820  * optimizing signal quality and other operational aspects.
821  */
822 typedef struct {
823 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
824 	uint32_t	ns_avgrssi;	/* average data rssi */
825 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
826 } HAL_NODE_STATS;
827 
828 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
829 
830 
831 struct ath_desc;
832 struct ath_tx_status;
833 struct ath_rx_status;
834 struct ieee80211_channel;
835 
836 /*
837  * This is a channel survey sample entry.
838  *
839  * The AR5212 ANI routines fill these samples. The ANI code then uses it
840  * when calculating listen time; it is also exported via a diagnostic
841  * API.
842  */
843 typedef struct {
844 	uint32_t        seq_num;
845 	uint32_t        tx_busy;
846 	uint32_t        rx_busy;
847 	uint32_t        chan_busy;
848 	uint32_t        ext_chan_busy;
849 	uint32_t        cycle_count;
850 	/* XXX TODO */
851 	uint32_t        ofdm_phyerr_count;
852 	uint32_t        cck_phyerr_count;
853 } HAL_SURVEY_SAMPLE;
854 
855 /*
856  * This provides 3.2 seconds of sample space given an
857  * ANI time of 1/10th of a second. This may not be enough!
858  */
859 #define	CHANNEL_SURVEY_SAMPLE_COUNT	32
860 
861 typedef struct {
862 	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
863 	uint32_t cur_sample;	/* current sample in sequence */
864 	uint32_t cur_seq;	/* current sequence number */
865 } HAL_CHANNEL_SURVEY;
866 
867 /*
868  * ANI commands.
869  *
870  * These are used both internally and externally via the diagnostic
871  * API.
872  *
873  * Note that this is NOT the ANI commands being used via the INTMIT
874  * capability - that has a different mapping for some reason.
875  */
876 typedef enum {
877 	HAL_ANI_PRESENT = 0,			/* is ANI support present */
878 	HAL_ANI_NOISE_IMMUNITY_LEVEL = 1,	/* set level */
879 	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 2,	/* enable/disable */
880 	HAL_ANI_CCK_WEAK_SIGNAL_THR = 3,	/* enable/disable */
881 	HAL_ANI_FIRSTEP_LEVEL = 4,		/* set level */
882 	HAL_ANI_SPUR_IMMUNITY_LEVEL = 5,	/* set level */
883 	HAL_ANI_MODE = 6,			/* 0 => manual, 1 => auto (XXX do not change) */
884 	HAL_ANI_PHYERR_RESET = 7,		/* reset phy error stats */
885 	HAL_ANI_MRC_CCK = 8,
886 } HAL_ANI_CMD;
887 
888 #define	HAL_ANI_ALL		0xffffffff
889 
890 /*
891  * This is the layout of the ANI INTMIT capability.
892  *
893  * Notice that the command values differ to HAL_ANI_CMD.
894  */
895 typedef enum {
896 	HAL_CAP_INTMIT_PRESENT = 0,
897 	HAL_CAP_INTMIT_ENABLE = 1,
898 	HAL_CAP_INTMIT_NOISE_IMMUNITY_LEVEL = 2,
899 	HAL_CAP_INTMIT_OFDM_WEAK_SIGNAL_LEVEL = 3,
900 	HAL_CAP_INTMIT_CCK_WEAK_SIGNAL_THR = 4,
901 	HAL_CAP_INTMIT_FIRSTEP_LEVEL = 5,
902 	HAL_CAP_INTMIT_SPUR_IMMUNITY_LEVEL = 6
903 } HAL_CAP_INTMIT_CMD;
904 
905 typedef struct {
906 	int32_t		pe_firpwr;	/* FIR pwr out threshold */
907 	int32_t		pe_rrssi;	/* Radar rssi thresh */
908 	int32_t		pe_height;	/* Pulse height thresh */
909 	int32_t		pe_prssi;	/* Pulse rssi thresh */
910 	int32_t		pe_inband;	/* Inband thresh */
911 
912 	/* The following params are only for AR5413 and later */
913 	u_int32_t	pe_relpwr;	/* Relative power threshold in 0.5dB steps */
914 	u_int32_t	pe_relstep;	/* Pulse Relative step threshold in 0.5dB steps */
915 	u_int32_t	pe_maxlen;	/* Max length of radar sign in 0.8us units */
916 	int32_t		pe_usefir128;	/* Use the average in-band power measured over 128 cycles */
917 	int32_t		pe_blockradar;	/*
918 					 * Enable to block radar check if pkt detect is done via OFDM
919 					 * weak signal detect or pkt is detected immediately after tx
920 					 * to rx transition
921 					 */
922 	int32_t		pe_enmaxrssi;	/*
923 					 * Enable to use the max rssi instead of the last rssi during
924 					 * fine gain changes for radar detection
925 					 */
926 	int32_t		pe_extchannel;	/* Enable DFS on ext channel */
927 	int32_t		pe_enabled;	/* Whether radar detection is enabled */
928 	int32_t		pe_enrelpwr;
929 	int32_t		pe_en_relstep_check;
930 } HAL_PHYERR_PARAM;
931 
932 #define	HAL_PHYERR_PARAM_NOVAL	65535
933 
934 typedef struct {
935 	u_int16_t	ss_fft_period;	/* Skip interval for FFT reports */
936 	u_int16_t	ss_period;	/* Spectral scan period */
937 	u_int16_t	ss_count;	/* # of reports to return from ss_active */
938 	u_int16_t	ss_short_report;/* Set to report ony 1 set of FFT results */
939 	u_int8_t	radar_bin_thresh_sel;	/* strong signal radar FFT threshold configuration */
940 	u_int16_t	ss_spectral_pri;		/* are we doing a noise power cal ? */
941 	int8_t		ss_nf_cal[AH_MAX_CHAINS*2];     /* nf calibrated values for ctl+ext from eeprom */
942 	int8_t		ss_nf_pwr[AH_MAX_CHAINS*2];     /* nf pwr values for ctl+ext from eeprom */
943 	int32_t		ss_nf_temp_data;	/* temperature data taken during nf scan */
944 } HAL_SPECTRAL_PARAM;
945 #define	HAL_SPECTRAL_PARAM_NOVAL	0xFFFF
946 #define	HAL_SPECTRAL_PARAM_ENABLE	0x8000	/* Enable/Disable if applicable */
947 
948 /*
949  * DFS operating mode flags.
950  */
951 typedef enum {
952 	HAL_DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
953 	HAL_DFS_FCC_DOMAIN	= 1,	/* FCC3 dfs domain */
954 	HAL_DFS_ETSI_DOMAIN	= 2,	/* ETSI dfs domain */
955 	HAL_DFS_MKK4_DOMAIN	= 3,	/* Japan dfs domain */
956 } HAL_DFS_DOMAIN;
957 
958 
959 /*
960  * MFP decryption options for initializing the MAC.
961  */
962 typedef enum {
963 	HAL_MFP_QOSDATA = 0,	/* Decrypt MFP frames like QoS data frames. All chips before Merlin. */
964 	HAL_MFP_PASSTHRU,	/* Don't decrypt MFP frames at all. Passthrough */
965 	HAL_MFP_HW_CRYPTO	/* hardware decryption enabled. Merlin can do it. */
966 } HAL_MFP_OPT_T;
967 
968 /* LNA config supported */
969 typedef enum {
970 	HAL_ANT_DIV_COMB_LNA1_MINUS_LNA2	= 0,
971 	HAL_ANT_DIV_COMB_LNA2			= 1,
972 	HAL_ANT_DIV_COMB_LNA1			= 2,
973 	HAL_ANT_DIV_COMB_LNA1_PLUS_LNA2		= 3,
974 } HAL_ANT_DIV_COMB_LNA_CONF;
975 
976 typedef struct {
977 	u_int8_t	main_lna_conf;
978 	u_int8_t	alt_lna_conf;
979 	u_int8_t	fast_div_bias;
980 	u_int8_t	main_gaintb;
981 	u_int8_t	alt_gaintb;
982 	u_int8_t	antdiv_configgroup;
983 	int8_t		lna1_lna2_delta;
984 } HAL_ANT_COMB_CONFIG;
985 
986 #define	DEFAULT_ANTDIV_CONFIG_GROUP	0x00
987 #define	HAL_ANTDIV_CONFIG_GROUP_1	0x01
988 #define	HAL_ANTDIV_CONFIG_GROUP_2	0x02
989 #define	HAL_ANTDIV_CONFIG_GROUP_3	0x03
990 
991 /*
992  * Flag for setting QUIET period
993  */
994 typedef enum {
995 	HAL_QUIET_DISABLE		= 0x0,
996 	HAL_QUIET_ENABLE		= 0x1,
997 	HAL_QUIET_ADD_CURRENT_TSF	= 0x2,	/* add current TSF to next_start offset */
998 	HAL_QUIET_ADD_SWBA_RESP_TIME	= 0x4,	/* add beacon response time to next_start offset */
999 } HAL_QUIET_FLAG;
1000 
1001 #define	HAL_DFS_EVENT_PRICH		0x0000001
1002 #define	HAL_DFS_EVENT_EXTCH		0x0000002
1003 #define	HAL_DFS_EVENT_EXTEARLY		0x0000004
1004 #define	HAL_DFS_EVENT_ISDC		0x0000008
1005 
1006 struct hal_dfs_event {
1007 	uint64_t	re_full_ts;	/* 64-bit full timestamp from interrupt time */
1008 	uint32_t	re_ts;		/* Original 15 bit recv timestamp */
1009 	uint8_t		re_rssi;	/* rssi of radar event */
1010 	uint8_t		re_dur;		/* duration of radar pulse */
1011 	uint32_t	re_flags;	/* Flags (see above) */
1012 };
1013 typedef struct hal_dfs_event HAL_DFS_EVENT;
1014 
1015 /*
1016  * Generic Timer domain
1017  */
1018 typedef enum {
1019 	HAL_GEN_TIMER_TSF = 0,
1020 	HAL_GEN_TIMER_TSF2,
1021 	HAL_GEN_TIMER_TSF_ANY
1022 } HAL_GEN_TIMER_DOMAIN;
1023 
1024 typedef enum {
1025 	HAL_RESET_NONE = 0x0,
1026 	HAL_RESET_BBPANIC = 0x1,
1027 } HAL_RESET_TYPE;
1028 
1029 /*
1030  * BT Co-existence definitions
1031  */
1032 typedef enum {
1033 	HAL_BT_MODULE_CSR_BC4	= 0,	/* CSR BlueCore v4 */
1034 	HAL_BT_MODULE_JANUS	= 1,	/* Kite + Valkyrie combo */
1035 	HAL_BT_MODULE_HELIUS	= 2,	/* Kiwi + Valkyrie combo */
1036 	HAL_MAX_BT_MODULES
1037 } HAL_BT_MODULE;
1038 
1039 typedef struct {
1040 	HAL_BT_MODULE	bt_module;
1041 	u_int8_t	bt_coex_config;
1042 	u_int8_t	bt_gpio_bt_active;
1043 	u_int8_t	bt_gpio_bt_priority;
1044 	u_int8_t	bt_gpio_wlan_active;
1045 	u_int8_t	bt_active_polarity;
1046 	HAL_BOOL	bt_single_ant;
1047 	u_int8_t	bt_dutyCycle;
1048 	u_int8_t	bt_isolation;
1049 	u_int8_t	bt_period;
1050 } HAL_BT_COEX_INFO;
1051 
1052 typedef enum {
1053 	HAL_BT_COEX_MODE_LEGACY		= 0,	/* legacy rx_clear mode */
1054 	HAL_BT_COEX_MODE_UNSLOTTED	= 1,	/* untimed/unslotted mode */
1055 	HAL_BT_COEX_MODE_SLOTTED	= 2,	/* slotted mode */
1056 	HAL_BT_COEX_MODE_DISALBED	= 3,	/* coexistence disabled */
1057 } HAL_BT_COEX_MODE;
1058 
1059 typedef enum {
1060 	HAL_BT_COEX_CFG_NONE,		/* No bt coex enabled */
1061 	HAL_BT_COEX_CFG_2WIRE_2CH,	/* 2-wire with 2 chains */
1062 	HAL_BT_COEX_CFG_2WIRE_CH1,	/* 2-wire with ch1 */
1063 	HAL_BT_COEX_CFG_2WIRE_CH0,	/* 2-wire with ch0 */
1064 	HAL_BT_COEX_CFG_3WIRE,		/* 3-wire */
1065 	HAL_BT_COEX_CFG_MCI		/* MCI */
1066 } HAL_BT_COEX_CFG;
1067 
1068 typedef enum {
1069 	HAL_BT_COEX_SET_ACK_PWR		= 0,	/* Change ACK power setting */
1070 	HAL_BT_COEX_LOWER_TX_PWR,		/* Change transmit power */
1071 	HAL_BT_COEX_ANTENNA_DIVERSITY,	/* Enable RX diversity for Kite */
1072 } HAL_BT_COEX_SET_PARAMETER;
1073 
1074 #define	HAL_BT_COEX_FLAG_LOW_ACK_PWR	0x00000001
1075 #define	HAL_BT_COEX_FLAG_LOWER_TX_PWR	0x00000002
1076 /* Check Rx Diversity is allowed */
1077 #define	HAL_BT_COEX_FLAG_ANT_DIV_ALLOW	0x00000004
1078 /* Check Diversity is on or off */
1079 #define	HAL_BT_COEX_FLAG_ANT_DIV_ENABLE	0x00000008
1080 
1081 #define	HAL_BT_COEX_ANTDIV_CONTROL1_ENABLE	0x0b
1082 /* main: LNA1, alt: LNA2 */
1083 #define	HAL_BT_COEX_ANTDIV_CONTROL2_ENABLE	0x09
1084 #define	HAL_BT_COEX_ANTDIV_CONTROL1_FIXED_A	0x04
1085 #define	HAL_BT_COEX_ANTDIV_CONTROL2_FIXED_A	0x09
1086 #define	HAL_BT_COEX_ANTDIV_CONTROL1_FIXED_B	0x02
1087 #define	HAL_BT_COEX_ANTDIV_CONTROL2_FIXED_B	0x06
1088 
1089 #define	HAL_BT_COEX_ISOLATION_FOR_NO_COEX	30
1090 
1091 #define	HAL_BT_COEX_ANT_DIV_SWITCH_COM	0x66666666
1092 
1093 #define	HAL_BT_COEX_HELIUS_CHAINMASK	0x02
1094 
1095 #define	HAL_BT_COEX_LOW_ACK_POWER	0x0
1096 #define	HAL_BT_COEX_HIGH_ACK_POWER	0x3f3f3f
1097 
1098 typedef enum {
1099 	HAL_BT_COEX_NO_STOMP = 0,
1100 	HAL_BT_COEX_STOMP_ALL,
1101 	HAL_BT_COEX_STOMP_LOW,
1102 	HAL_BT_COEX_STOMP_NONE,
1103 	HAL_BT_COEX_STOMP_ALL_FORCE,
1104 	HAL_BT_COEX_STOMP_LOW_FORCE,
1105 } HAL_BT_COEX_STOMP_TYPE;
1106 
1107 typedef struct {
1108 	/* extend rx_clear after tx/rx to protect the burst (in usec). */
1109 	u_int8_t	bt_time_extend;
1110 
1111 	/*
1112 	 * extend rx_clear as long as txsm is
1113 	 * transmitting or waiting for ack.
1114 	 */
1115 	HAL_BOOL	bt_txstate_extend;
1116 
1117 	/*
1118 	 * extend rx_clear so that when tx_frame
1119 	 * is asserted, rx_clear will drop.
1120 	 */
1121 	HAL_BOOL	bt_txframe_extend;
1122 
1123 	/*
1124 	 * coexistence mode
1125 	 */
1126 	HAL_BT_COEX_MODE	bt_mode;
1127 
1128 	/*
1129 	 * treat BT high priority traffic as
1130 	 * a quiet collision
1131 	 */
1132 	HAL_BOOL	bt_quiet_collision;
1133 
1134 	/*
1135 	 * invert rx_clear as WLAN_ACTIVE
1136 	 */
1137 	HAL_BOOL	bt_rxclear_polarity;
1138 
1139 	/*
1140 	 * slotted mode only. indicate the time in usec
1141 	 * from the rising edge of BT_ACTIVE to the time
1142 	 * BT_PRIORITY can be sampled to indicate priority.
1143 	 */
1144 	u_int8_t	bt_priority_time;
1145 
1146 	/*
1147 	 * slotted mode only. indicate the time in usec
1148 	 * from the rising edge of BT_ACTIVE to the time
1149 	 * BT_PRIORITY can be sampled to indicate tx/rx and
1150 	 * BT_FREQ is sampled.
1151 	 */
1152 	u_int8_t	bt_first_slot_time;
1153 
1154 	/*
1155 	 * slotted mode only. rx_clear and bt_ant decision
1156 	 * will be held the entire time that BT_ACTIVE is asserted,
1157 	 * otherwise the decision is made before every slot boundry.
1158 	 */
1159 	HAL_BOOL	bt_hold_rxclear;
1160 } HAL_BT_COEX_CONFIG;
1161 
1162 struct hal_bb_panic_info {
1163 	u_int32_t	status;
1164 	u_int32_t	tsf;
1165 	u_int32_t	phy_panic_wd_ctl1;
1166 	u_int32_t	phy_panic_wd_ctl2;
1167 	u_int32_t	phy_gen_ctrl;
1168 	u_int32_t	rxc_pcnt;
1169 	u_int32_t	rxf_pcnt;
1170 	u_int32_t	txf_pcnt;
1171 	u_int32_t	cycles;
1172 	u_int32_t	wd;
1173 	u_int32_t	det;
1174 	u_int32_t	rdar;
1175 	u_int32_t	r_odfm;
1176 	u_int32_t	r_cck;
1177 	u_int32_t	t_odfm;
1178 	u_int32_t	t_cck;
1179 	u_int32_t	agc;
1180 	u_int32_t	src;
1181 };
1182 
1183 /* Serialize Register Access Mode */
1184 typedef enum {
1185 	SER_REG_MODE_OFF	= 0,
1186 	SER_REG_MODE_ON		= 1,
1187 	SER_REG_MODE_AUTO	= 2,
1188 } SER_REG_MODE;
1189 
1190 typedef struct
1191 {
1192 	int ah_debug;			/* only used if AH_DEBUG is defined */
1193 	int ah_ar5416_biasadj;		/* enable AR2133 radio specific bias fiddling */
1194 
1195 	/* NB: these are deprecated; they exist for now for compatibility */
1196 	int ah_dma_beacon_response_time;/* in TU's */
1197 	int ah_sw_beacon_response_time;	/* in TU's */
1198 	int ah_additional_swba_backoff;	/* in TU's */
1199 	int ah_force_full_reset;	/* force full chip reset rather then warm reset */
1200 	int ah_serialise_reg_war;	/* force serialisation of register IO */
1201 
1202 	/* XXX these don't belong here, they're just for the ar9300  HAL port effort */
1203 	int ath_hal_desc_tpc;		/* Per-packet TPC */
1204 	int ath_hal_sta_update_tx_pwr_enable;	/* GreenTX */
1205 	int ath_hal_sta_update_tx_pwr_enable_S1;	/* GreenTX */
1206 	int ath_hal_sta_update_tx_pwr_enable_S2;	/* GreenTX */
1207 	int ath_hal_sta_update_tx_pwr_enable_S3;	/* GreenTX */
1208 
1209 	/* I'm not sure what the default values for these should be */
1210 	int ath_hal_pll_pwr_save;
1211 	int ath_hal_pcie_power_save_enable;
1212 	int ath_hal_intr_mitigation_rx;
1213 	int ath_hal_intr_mitigation_tx;
1214 
1215 	int ath_hal_pcie_clock_req;
1216 #define	AR_PCIE_PLL_PWRSAVE_CONTROL	(1<<0)
1217 #define	AR_PCIE_PLL_PWRSAVE_ON_D3	(1<<1)
1218 #define	AR_PCIE_PLL_PWRSAVE_ON_D0	(1<<2)
1219 
1220 	int ath_hal_pcie_waen;
1221 	int ath_hal_pcie_ser_des_write;
1222 
1223 	/* these are important for correct AR9300 behaviour */
1224 	int ath_hal_ht_enable;		/* needs to be enabled for AR9300 HT */
1225 	int ath_hal_diversity_control;
1226 	int ath_hal_antenna_switch_swap;
1227 	int ath_hal_ext_lna_ctl_gpio;
1228 	int ath_hal_spur_mode;
1229 	int ath_hal_6mb_ack;		/* should set this to 1 for 11a/11na? */
1230 	int ath_hal_enable_msi;		/* enable MSI interrupts (needed?) */
1231 	int ath_hal_beacon_filter_interval;	/* ok to be 0 for now? */
1232 
1233 	/* For now, set this to 0 - net80211 needs to know about hardware MFP support */
1234 	int ath_hal_mfp_support;
1235 
1236 	int ath_hal_enable_ani;	/* should set this.. */
1237 	int ath_hal_cwm_ignore_ext_cca;
1238 	int ath_hal_show_bb_panic;
1239 	int ath_hal_ant_ctrl_comm2g_switch_enable;
1240 	int ath_hal_ext_atten_margin_cfg;
1241 	int ath_hal_war70c;
1242 } HAL_OPS_CONFIG;
1243 
1244 /*
1245  * Hardware Access Layer (HAL) API.
1246  *
1247  * Clients of the HAL call ath_hal_attach to obtain a reference to an
1248  * ath_hal structure for use with the device.  Hardware-related operations
1249  * that follow must call back into the HAL through interface, supplying
1250  * the reference as the first parameter.  Note that before using the
1251  * reference returned by ath_hal_attach the caller should verify the
1252  * ABI version number.
1253  */
1254 struct ath_hal {
1255 	uint32_t	ah_magic;	/* consistency check magic number */
1256 	uint16_t	ah_devid;	/* PCI device ID */
1257 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
1258 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
1259 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
1260 	HAL_BUS_HANDLE	ah_sh;
1261 	HAL_CTRY_CODE	ah_countryCode;
1262 
1263 	uint32_t	ah_macVersion;	/* MAC version id */
1264 	uint16_t	ah_macRev;	/* MAC revision */
1265 	uint16_t	ah_phyRev;	/* PHY revision */
1266 	/* NB: when only one radio is present the rev is in 5Ghz */
1267 	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
1268 	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
1269 
1270 	uint16_t	*ah_eepromdata;	/* eeprom buffer, if needed */
1271 
1272 	uint32_t	ah_intrstate[8];	/* last int state */
1273 	uint32_t	ah_syncstate;		/* last sync intr state */
1274 
1275 	HAL_OPS_CONFIG ah_config;
1276 	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
1277 				u_int mode);
1278 	void	  __ahdecl(*ah_detach)(struct ath_hal*);
1279 
1280 	/* Reset functions */
1281 	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
1282 				struct ieee80211_channel *,
1283 				HAL_BOOL bChannelChange, HAL_STATUS *status);
1284 	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
1285 	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
1286 	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore,
1287 				HAL_BOOL power_off);
1288 	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
1289 	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
1290 	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*,
1291 			struct ieee80211_channel *, HAL_BOOL *);
1292 	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *,
1293 			struct ieee80211_channel *, u_int chainMask,
1294 			HAL_BOOL longCal, HAL_BOOL *isCalDone);
1295 	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *,
1296 			const struct ieee80211_channel *);
1297 	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
1298 	    		const struct ieee80211_channel *, uint16_t *);
1299 	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
1300 	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
1301 	    		const struct ieee80211_channel *);
1302 
1303 	/* Transmit functions */
1304 	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
1305 				HAL_BOOL incTrigLevel);
1306 	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
1307 				const HAL_TXQ_INFO *qInfo);
1308 	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
1309 				const HAL_TXQ_INFO *qInfo);
1310 	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
1311 				HAL_TXQ_INFO *qInfo);
1312 	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
1313 	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
1314 	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
1315 	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
1316 	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
1317 	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
1318 	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
1319 	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
1320 				u_int pktLen, u_int hdrLen,
1321 				HAL_PKT_TYPE type, u_int txPower,
1322 				u_int txRate0, u_int txTries0,
1323 				u_int keyIx, u_int antMode, u_int flags,
1324 				u_int rtsctsRate, u_int rtsctsDuration,
1325 				u_int compicvLen, u_int compivLen,
1326 				u_int comp);
1327 	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
1328 				u_int txRate1, u_int txTries1,
1329 				u_int txRate2, u_int txTries2,
1330 				u_int txRate3, u_int txTries3);
1331 	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
1332 				HAL_DMA_ADDR *bufAddrList, uint32_t *segLenList,
1333 				u_int descId, u_int qcuId, HAL_BOOL firstSeg,
1334 				HAL_BOOL lastSeg, const struct ath_desc *);
1335 	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
1336 				struct ath_desc *, struct ath_tx_status *);
1337 	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
1338 	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
1339 	HAL_BOOL	__ahdecl(*ah_getTxCompletionRates)(struct ath_hal *,
1340 				const struct ath_desc *ds, int *rates, int *tries);
1341 	void	  __ahdecl(*ah_setTxDescLink)(struct ath_hal *ah, void *ds,
1342 				uint32_t link);
1343 	void	  __ahdecl(*ah_getTxDescLink)(struct ath_hal *ah, void *ds,
1344 				uint32_t *link);
1345 	void	  __ahdecl(*ah_getTxDescLinkPtr)(struct ath_hal *ah, void *ds,
1346 				uint32_t **linkptr);
1347 	void	  __ahdecl(*ah_setupTxStatusRing)(struct ath_hal *,
1348 				void *ts_start, uint32_t ts_paddr_start,
1349 				uint16_t size);
1350 	void	  __ahdecl(*ah_getTxRawTxDesc)(struct ath_hal *, u_int32_t *);
1351 
1352 	/* Receive Functions */
1353 	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*, HAL_RX_QUEUE);
1354 	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp, HAL_RX_QUEUE);
1355 	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
1356 	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
1357 	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*);
1358 	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
1359 	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
1360 				uint32_t filter0, uint32_t filter1);
1361 	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
1362 				uint32_t index);
1363 	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
1364 				uint32_t index);
1365 	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
1366 	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
1367 	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
1368 				uint32_t size, u_int flags);
1369 	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
1370 				struct ath_desc *, uint32_t phyAddr,
1371 				struct ath_desc *next, uint64_t tsf,
1372 				struct ath_rx_status *);
1373 	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
1374 				const HAL_NODE_STATS *,
1375 				const struct ieee80211_channel *);
1376 	void      __ahdecl(*ah_aniPoll)(struct ath_hal *,
1377 				const struct ieee80211_channel *);
1378 	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
1379 				const HAL_NODE_STATS *);
1380 	void	  __ahdecl(*ah_rxAntCombDiversity)(struct ath_hal *,
1381 				struct ath_rx_status *,
1382 				unsigned long, int);
1383 
1384 	/* Misc Functions */
1385 	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
1386 				HAL_CAPABILITY_TYPE, uint32_t capability,
1387 				uint32_t *result);
1388 	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
1389 				HAL_CAPABILITY_TYPE, uint32_t capability,
1390 				uint32_t setting, HAL_STATUS *);
1391 	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
1392 				const void *args, uint32_t argsize,
1393 				void **result, uint32_t *resultsize);
1394 	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
1395 	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
1396 	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
1397 	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
1398 	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
1399 				uint16_t, HAL_STATUS *);
1400 	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
1401 	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
1402 				const uint8_t *bssid, uint16_t assocId);
1403 	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
1404 				uint32_t gpio, HAL_GPIO_MUX_TYPE);
1405 	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
1406 	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
1407 	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
1408 				uint32_t gpio, uint32_t val);
1409 	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
1410 	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
1411 	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
1412 	void     __ahdecl(*ah_setTsf64)(struct ath_hal *, uint64_t);
1413 	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
1414 	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
1415 	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
1416 				HAL_MIB_STATS*);
1417 	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
1418 	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
1419 	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
1420 	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
1421 	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
1422 				HAL_ANT_SETTING);
1423 	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
1424 	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
1425 	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
1426 	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
1427 	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
1428 	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
1429 	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
1430 	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
1431 	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
1432 	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
1433 	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
1434 	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
1435 	HAL_STATUS	__ahdecl(*ah_setQuiet)(struct ath_hal *ah, uint32_t period,
1436 				uint32_t duration, uint32_t nextStart,
1437 				HAL_QUIET_FLAG flag);
1438 
1439 	/* DFS functions */
1440 	void	  __ahdecl(*ah_enableDfs)(struct ath_hal *ah,
1441 				HAL_PHYERR_PARAM *pe);
1442 	void	  __ahdecl(*ah_getDfsThresh)(struct ath_hal *ah,
1443 				HAL_PHYERR_PARAM *pe);
1444 	HAL_BOOL  __ahdecl(*ah_getDfsDefaultThresh)(struct ath_hal *ah,
1445 				HAL_PHYERR_PARAM *pe);
1446 	HAL_BOOL  __ahdecl(*ah_procRadarEvent)(struct ath_hal *ah,
1447 				struct ath_rx_status *rxs, uint64_t fulltsf,
1448 				const char *buf, HAL_DFS_EVENT *event);
1449 	HAL_BOOL  __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
1450 
1451 	/* Spectral Scan functions */
1452 	void	__ahdecl(*ah_spectralConfigure)(struct ath_hal *ah,
1453 				HAL_SPECTRAL_PARAM *sp);
1454 	void	__ahdecl(*ah_spectralGetConfig)(struct ath_hal *ah,
1455 				HAL_SPECTRAL_PARAM *sp);
1456 	void	__ahdecl(*ah_spectralStart)(struct ath_hal *);
1457 	void	__ahdecl(*ah_spectralStop)(struct ath_hal *);
1458 	HAL_BOOL	__ahdecl(*ah_spectralIsEnabled)(struct ath_hal *);
1459 	HAL_BOOL	__ahdecl(*ah_spectralIsActive)(struct ath_hal *);
1460 	/* XXX getNfPri() and getNfExt() */
1461 
1462 	/* Key Cache Functions */
1463 	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
1464 	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
1465 	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
1466 				uint16_t);
1467 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
1468 				uint16_t, const HAL_KEYVAL *,
1469 				const uint8_t *, int);
1470 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
1471 				uint16_t, const uint8_t *);
1472 
1473 	/* Power Management Functions */
1474 	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
1475 				HAL_POWER_MODE mode, int setChip);
1476 	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
1477 	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *,
1478 				const struct ieee80211_channel *);
1479 
1480 	/* Beacon Management Functions */
1481 	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
1482 				const HAL_BEACON_TIMERS *);
1483 	/* NB: deprecated, use ah_setBeaconTimers instead */
1484 	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
1485 				uint32_t nexttbtt, uint32_t intval);
1486 	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
1487 				const HAL_BEACON_STATE *);
1488 	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
1489 	uint64_t  __ahdecl(*ah_getNextTBTT)(struct ath_hal *);
1490 
1491 	/* 802.11n Functions */
1492 	HAL_BOOL  __ahdecl(*ah_chainTxDesc)(struct ath_hal *,
1493 				struct ath_desc *,
1494 				HAL_DMA_ADDR *bufAddrList,
1495 				uint32_t *segLenList,
1496 				u_int, u_int, HAL_PKT_TYPE,
1497 				u_int, HAL_CIPHER, uint8_t, HAL_BOOL,
1498 				HAL_BOOL, HAL_BOOL);
1499 	HAL_BOOL  __ahdecl(*ah_setupFirstTxDesc)(struct ath_hal *,
1500 				struct ath_desc *, u_int, u_int, u_int,
1501 				u_int, u_int, u_int, u_int, u_int);
1502 	HAL_BOOL  __ahdecl(*ah_setupLastTxDesc)(struct ath_hal *,
1503 				struct ath_desc *, const struct ath_desc *);
1504 	void	  __ahdecl(*ah_set11nRateScenario)(struct ath_hal *,
1505 	    			struct ath_desc *, u_int, u_int,
1506 				HAL_11N_RATE_SERIES [], u_int, u_int);
1507 
1508 	/*
1509 	 * The next 4 (set11ntxdesc -> set11naggrlast) are specific
1510 	 * to the EDMA HAL.  Descriptors are chained together by
1511 	 * using filltxdesc (not ChainTxDesc) and then setting the
1512 	 * aggregate flags appropriately using first/middle/last.
1513 	 */
1514 	void	  __ahdecl(*ah_set11nTxDesc)(struct ath_hal *,
1515 				void *, u_int, HAL_PKT_TYPE, u_int, u_int,
1516 				u_int);
1517 	void	  __ahdecl(*ah_set11nAggrFirst)(struct ath_hal *,
1518 				struct ath_desc *, u_int, u_int);
1519 	void	  __ahdecl(*ah_set11nAggrMiddle)(struct ath_hal *,
1520 	    			struct ath_desc *, u_int);
1521 	void	  __ahdecl(*ah_set11nAggrLast)(struct ath_hal *,
1522 				struct ath_desc *);
1523 
1524 	void	  __ahdecl(*ah_clr11nAggr)(struct ath_hal *,
1525 	    			struct ath_desc *);
1526 	void	  __ahdecl(*ah_set11nBurstDuration)(struct ath_hal *,
1527 	    			struct ath_desc *, u_int);
1528 	HAL_BOOL  __ahdecl(*ah_getMibCycleCounts) (struct ath_hal *,
1529 				HAL_SURVEY_SAMPLE *);
1530 
1531 	uint32_t  __ahdecl(*ah_get11nExtBusy)(struct ath_hal *);
1532 	void      __ahdecl(*ah_set11nMac2040)(struct ath_hal *,
1533 				HAL_HT_MACMODE);
1534 	HAL_HT_RXCLEAR __ahdecl(*ah_get11nRxClear)(struct ath_hal *ah);
1535 	void	  __ahdecl(*ah_set11nRxClear)(struct ath_hal *,
1536 	    			HAL_HT_RXCLEAR);
1537 
1538 	/* Interrupt functions */
1539 	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
1540 	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
1541 	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
1542 	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
1543 
1544 	/* Bluetooth Coexistence functions */
1545 	void	    __ahdecl(*ah_btCoexSetInfo)(struct ath_hal *,
1546 				HAL_BT_COEX_INFO *);
1547 	void	    __ahdecl(*ah_btCoexSetConfig)(struct ath_hal *,
1548 				HAL_BT_COEX_CONFIG *);
1549 	void	    __ahdecl(*ah_btCoexSetQcuThresh)(struct ath_hal *,
1550 				int);
1551 	void	    __ahdecl(*ah_btCoexSetWeights)(struct ath_hal *,
1552 				uint32_t);
1553 	void	    __ahdecl(*ah_btCoexSetBmissThresh)(struct ath_hal *,
1554 				uint32_t);
1555 	void	    __ahdecl(*ah_btcoexSetParameter)(struct ath_hal *,
1556 				uint32_t, uint32_t);
1557 	void	    __ahdecl(*ah_btCoexDisable)(struct ath_hal *);
1558 	int	    __ahdecl(*ah_btCoexEnable)(struct ath_hal *);
1559 };
1560 
1561 /*
1562  * Check the PCI vendor ID and device ID against Atheros' values
1563  * and return a printable description for any Atheros hardware.
1564  * AH_NULL is returned if the ID's do not describe Atheros hardware.
1565  */
1566 extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
1567 
1568 /*
1569  * Attach the HAL for use with the specified device.  The device is
1570  * defined by the PCI device ID.  The caller provides an opaque pointer
1571  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
1572  * HAL state block for later use.  Hardware register accesses are done
1573  * using the specified bus tag and handle.  On successful return a
1574  * reference to a state block is returned that must be supplied in all
1575  * subsequent HAL calls.  Storage associated with this reference is
1576  * dynamically allocated and must be freed by calling the ah_detach
1577  * method when the client is done.  If the attach operation fails a
1578  * null (AH_NULL) reference will be returned and a status code will
1579  * be returned if the status parameter is non-zero.
1580  */
1581 extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
1582 		HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata, HAL_STATUS* status);
1583 
1584 extern	const char *ath_hal_mac_name(struct ath_hal *);
1585 extern	const char *ath_hal_rf_name(struct ath_hal *);
1586 
1587 /*
1588  * Regulatory interfaces.  Drivers should use ath_hal_init_channels to
1589  * request a set of channels for a particular country code and/or
1590  * regulatory domain.  If CTRY_DEFAULT and SKU_NONE are specified then
1591  * this list is constructed according to the contents of the EEPROM.
1592  * ath_hal_getchannels acts similarly but does not alter the operating
1593  * state; this can be used to collect information for a particular
1594  * regulatory configuration.  Finally ath_hal_set_channels installs a
1595  * channel list constructed outside the driver.  The HAL will adopt the
1596  * channel list and setup internal state according to the specified
1597  * regulatory configuration (e.g. conformance test limits).
1598  *
1599  * For all interfaces the channel list is returned in the supplied array.
1600  * maxchans defines the maximum size of this array.  nchans contains the
1601  * actual number of channels returned.  If a problem occurred then a
1602  * status code != HAL_OK is returned.
1603  */
1604 struct ieee80211_channel;
1605 
1606 /*
1607  * Return a list of channels according to the specified regulatory.
1608  */
1609 extern	HAL_STATUS __ahdecl ath_hal_getchannels(struct ath_hal *,
1610     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1611     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn,
1612     HAL_BOOL enableExtendedChannels);
1613 
1614 /*
1615  * Return a list of channels and install it as the current operating
1616  * regulatory list.
1617  */
1618 extern	HAL_STATUS __ahdecl ath_hal_init_channels(struct ath_hal *,
1619     struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1620     u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN rd,
1621     HAL_BOOL enableExtendedChannels);
1622 
1623 /*
1624  * Install the list of channels as the current operating regulatory
1625  * and setup related state according to the country code and sku.
1626  */
1627 extern	HAL_STATUS __ahdecl ath_hal_set_channels(struct ath_hal *,
1628     struct ieee80211_channel *chans, int nchans,
1629     HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn);
1630 
1631 /*
1632  * Fetch the ctl/ext noise floor values reported by a MIMO
1633  * radio. Returns 1 for valid results, 0 for invalid channel.
1634  */
1635 extern int __ahdecl ath_hal_get_mimo_chan_noise(struct ath_hal *ah,
1636     const struct ieee80211_channel *chan, int16_t *nf_ctl,
1637     int16_t *nf_ext);
1638 
1639 /*
1640  * Calibrate noise floor data following a channel scan or similar.
1641  * This must be called prior retrieving noise floor data.
1642  */
1643 extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
1644 
1645 /*
1646  * Return bit mask of wireless modes supported by the hardware.
1647  */
1648 extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
1649 
1650 /*
1651  * Get the HAL wireless mode for the given channel.
1652  */
1653 extern	int ath_hal_get_curmode(struct ath_hal *ah,
1654     const struct ieee80211_channel *chan);
1655 
1656 /*
1657  * Calculate the packet TX time for a legacy or 11n frame
1658  */
1659 extern uint32_t __ahdecl ath_hal_pkt_txtime(struct ath_hal *ah,
1660     const HAL_RATE_TABLE *rates, uint32_t frameLen,
1661     uint16_t rateix, HAL_BOOL isht40, HAL_BOOL shortPreamble);
1662 
1663 /*
1664  * Calculate the duration of an 11n frame.
1665  */
1666 extern uint32_t __ahdecl ath_computedur_ht(uint32_t frameLen, uint16_t rate,
1667     int streams, HAL_BOOL isht40, HAL_BOOL isShortGI);
1668 
1669 /*
1670  * Calculate the transmit duration of a legacy frame.
1671  */
1672 extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
1673 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
1674 		uint16_t rateix, HAL_BOOL shortPreamble);
1675 
1676 /*
1677  * Adjust the TSF.
1678  */
1679 extern void __ahdecl ath_hal_adjusttsf(struct ath_hal *ah, int32_t tsfdelta);
1680 
1681 /*
1682  * Enable or disable CCA.
1683  */
1684 void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
1685 
1686 /*
1687  * Get CCA setting.
1688  */
1689 int __ahdecl ath_hal_getcca(struct ath_hal *ah);
1690 
1691 /*
1692  * Read EEPROM data from ah_eepromdata
1693  */
1694 HAL_BOOL __ahdecl ath_hal_EepromDataRead(struct ath_hal *ah,
1695 		u_int off, uint16_t *data);
1696 
1697 /*
1698  * For now, simply pass through MFP frames.
1699  */
1700 static inline u_int32_t
1701 ath_hal_get_mfp_qos(struct ath_hal *ah)
1702 {
1703 	//return AH_PRIVATE(ah)->ah_mfp_qos;
1704 	return HAL_MFP_QOSDATA;
1705 }
1706 
1707 #endif /* _ATH_AH_H_ */
1708