xref: /titanic_52/usr/src/uts/common/io/ath/ath_hal.h (revision 2a9459bdd821c1cf59590a7a9069ac9c591e8a6b)
1 /*
2  * Copyright (c) 2002-2006 Sam Leffler, Errno Consulting, Atheros
3  * Communications, Inc.  All rights reserved.
4  *
5  * Use is subject to license terms.
6  *
7  * Redistribution and use in source and binary forms are permitted
8  * provided that the following conditions are met:
9  * 1. The materials contained herein are unmodified and are used
10  * unmodified.
11  * 2. Redistributions of source code must retain the above copyright
12  * notice, this list of conditions and the following NO
13  * ''WARRANTY'' disclaimer below (''Disclaimer''), without
14  * modification.
15  * 3. Redistributions in binary form must reproduce at minimum a
16  * disclaimer similar to the Disclaimer below and any redistribution
17  * must be conditioned upon including a substantially similar
18  * Disclaimer requirement for further binary redistribution.
19  * 4. Neither the names of the above-listed copyright holders nor the
20  * names of any contributors may be used to endorse or promote
21  * product derived from this software without specific prior written
22  * permission.
23  *
24  * NO WARRANTY
25  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
26  * ''AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
27  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT,
28  * MERCHANTIBILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
29  * IN NO EVENT SHALL THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE
30  * FOR SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
31  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
32  * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
33  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
34  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
35  * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36  * SUCH DAMAGES.
37  *
38  */
39 
40 #ifndef _ATH_HAL_H
41 #define	_ATH_HAL_H
42 
43 #pragma ident	"%Z%%M%	%I%	%E% SMI"
44 
45 /*
46  * ath_hal.h is released by Atheros and used to describe the Atheros
47  * Hardware Access Layer(HAL) interface. All kinds of data structures,
48  * constant definition, APIs declaration are defined here.Clients of
49  * the HAL call ath_hal_attach() to obtain a reference to an ath_hal
50  * structure for use with the device. Hardware-related operations that
51  * follow must call back into the HAL through interface, supplying the
52  * reference as the first parameter.
53  */
54 
55 #ifdef __cplusplus
56 extern "C" {
57 #endif
58 
59 /* HAL version of this release */
60 #define	HAL_ABI_VERSION	0x06052200	/* YYMMDDnn */
61 
62 /* HAL data type definition */
63 typedef void *		HAL_SOFTC;	/* pointer to driver/OS state */
64 typedef void *		HAL_BUS_TAG;	/* opaque bus i/o id tag */
65 typedef void *		HAL_BUS_HANDLE;	/* opaque bus i/o handle */
66 typedef uint32_t 	HAL_BUS_ADDR;
67 typedef uint16_t 	HAL_CTRY_CODE;	/* country code */
68 typedef uint16_t 	HAL_REG_DOMAIN;	/* regulatory domain code */
69 
70 #define	HAL_NUM_TX_QUEUES	10		/* max number of tx queues */
71 
72 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
73 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
74 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
75 
76 #define	CHANNEL_RAD_INT	0x0001	/* Radar interference detected on channel */
77 #define	CHANNEL_CW_INT	0x0002	/* CW interference detected on channel */
78 #define	CHANNEL_BUSY	0x0004	/* Busy, occupied or overlap with adjoin chan */
79 #define	CHANNEL_TURBO	0x0010	/* Turbo Channel */
80 #define	CHANNEL_CCK	0x0020	/* CCK channel */
81 #define	CHANNEL_OFDM	0x0040	/* OFDM channel */
82 #define	CHANNEL_2GHZ	0x0080	/* 2 GHz spectrum channel. */
83 #define	CHANNEL_5GHZ	0x0100	/* 5 GHz spectrum channel */
84 #define	CHANNEL_PASSIVE	0x0200	/* Only passive scan allowed in the channel */
85 #define	CHANNEL_DYN	0x0400	/* dynamic CCK-OFDM channel */
86 #define	CHANNEL_XR	0x0800	/* XR channel */
87 #define	CHANNEL_STURBO	0x2000	/* Static turbo, no 11a-only usage */
88 #define	CHANNEL_HALF	0x4000 	/* Half rate channel */
89 #define	CHANNEL_QUARTER	0x8000 	/* Quarter rate channel */
90 
91 #define	CHANNEL_A	(CHANNEL_5GHZ|CHANNEL_OFDM)
92 #define	CHANNEL_B	(CHANNEL_2GHZ|CHANNEL_CCK)
93 #define	CHANNEL_PUREG	(CHANNEL_2GHZ|CHANNEL_OFDM)
94 #define	CHANNEL_G	(CHANNEL_2GHZ|CHANNEL_OFDM)
95 #define	CHANNEL_T	(CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_TURBO)
96 #define	CHANNEL_ST	(CHANNEL_T|CHANNEL_STURBO)
97 #define	CHANNEL_108G	(CHANNEL_2GHZ|CHANNEL_OFDM|CHANNEL_TURBO)
98 #define	CHANNEL_108A	CHANNEL_T
99 #define	CHANNEL_X	(CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_XR)
100 #define	CHANNEL_ALL \
101 	(CHANNEL_OFDM|CHANNEL_CCK|CHANNEL_5GHZ|CHANNEL_2GHZ|CHANNEL_TURBO)
102 #define	CHANNEL_ALL_NOTURBO 	(CHANNEL_ALL &~ CHANNEL_TURBO)
103 
104 #define	CHANNEL_COMPAT	(CHANNEL_ALL_NOTURBO | CHANNEL_PASSIVE)
105 
106 /* privFlags */
107 /*
108  * Software use: channel interference used for AR as well as RADAR
109  * interference detection
110  */
111 #define	CHANNEL_INTERFERENCE	0x01
112 #define	CHANNEL_DFS		0x02	/* DFS required on channel */
113 #define	CHANNEL_4MS_LIMIT	0x04	/* 4msec packet limit on this channel */
114 #define	CHANNEL_DFS_CLEAR	0x08	/* if channel has been checked DFS */
115 
116 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
117 
118 /* flags passed to tx descriptor setup methods */
119 #define	HAL_TXDESC_CLRDMASK	0x0001	/* clear destination filter mask */
120 #define	HAL_TXDESC_NOACK	0x0002	/* don't wait for ACK */
121 #define	HAL_TXDESC_RTSENA	0x0004	/* enable RTS */
122 #define	HAL_TXDESC_CTSENA	0x0008	/* enable CTS */
123 #define	HAL_TXDESC_INTREQ	0x0010	/* enable per-descriptor interrupt */
124 #define	HAL_TXDESC_VEOL		0x0020	/* mark virtual EOL */
125 /* NB: this only affects frame, not any RTS/CTS */
126 #define	HAL_TXDESC_DURENA	0x0040	/* enable h/w write of duration field */
127 
128 /* flags passed to rx descriptor setup methods */
129 #define	HAL_RXDESC_INTREQ	0x0020	/* enable per-descriptor interrupt */
130 
131 /* tx error flags */
132 #define	HAL_TXERR_XRETRY	0x01	/* excessive retries */
133 #define	HAL_TXERR_FILT		0x02	/* blocked by tx filtering */
134 #define	HAL_TXERR_FIFO		0x04	/* fifo underrun */
135 #define	HAL_TXSTAT_ALTRATE	0x80	/* alternate xmit rate used */
136 
137 /* rx error flags */
138 #define	HAL_RXERR_CRC		0x01	/* CRC error on frame */
139 #define	HAL_RXERR_PHY		0x02	/* PHY error, rs_phyerr is valid */
140 #define	HAL_RXERR_FIFO		0x04	/* fifo overrun */
141 #define	HAL_RXERR_DECRYPT	0x08	/* non-Michael decrypt error */
142 #define	HAL_RXERR_MIC		0x10	/* Michael MIC decrypt error */
143 
144 /* value found in rs_keyix to mark invalid entries */
145 #define	HAL_RXKEYIX_INVALID	((uint8_t)-1)
146 
147 /* value used to specify no encryption key for xmit */
148 #define	HAL_TXKEYIX_INVALID	((uint32_t)-1)
149 
150 /* compression definitions */
151 #define	HAL_COMP_BUF_MAX_SIZE	9216	/* 9k */
152 #define	HAL_COMP_BUF_ALIGN_SIZE	512
153 #define	HAL_DECOMP_MASK_SIZE	128
154 
155 #define	HAL_ANTENNA_MIN_MODE	0
156 #define	HAL_ANTENNA_FIXED_A	1
157 #define	HAL_ANTENNA_FIXED_B	2
158 #define	HAL_ANTENNA_MAX_MODE	3
159 
160 /*
161  * Status codes that may be returned by the HAL.  Note that
162  * interfaces that return a status code set it only when an
163  * error occurs--i.e. you cannot check it for success.
164  */
165 typedef enum {
166 	HAL_OK		= 0,	/* No error */
167 	HAL_ENXIO	= 1,	/* No hardware present */
168 	HAL_ENOMEM	= 2,	/* Memory allocation failed */
169 	HAL_EIO		= 3,	/* Hardware didn't respond as expected */
170 	HAL_EEMAGIC	= 4,	/* EEPROM magic number invalid */
171 	HAL_EEVERSION	= 5,	/* EEPROM version invalid */
172 	HAL_EELOCKED	= 6,	/* EEPROM unreadable */
173 	HAL_EEBADSUM	= 7,	/* EEPROM checksum invalid */
174 	HAL_EEREAD	= 8,	/* EEPROM read problem */
175 	HAL_EEBADMAC	= 9,	/* EEPROM mac address invalid */
176 	HAL_EESIZE	= 10,	/* EEPROM size not supported */
177 	HAL_EEWRITE	= 11,	/* Attempt to change write-locked EEPROM */
178 	HAL_EINVAL	= 12,	/* Invalid parameter to function */
179 	HAL_ENOTSUPP	= 13,	/* Hardware revision not supported */
180 	HAL_ESELFTEST	= 14,	/* Hardware self-test failed */
181 	HAL_EINPROGRESS	= 15	/* Operation incomplete */
182 } HAL_STATUS;
183 
184 typedef enum {
185 	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
186 	AH_TRUE  = 1
187 } HAL_BOOL;
188 
189 typedef enum {
190 	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
191 	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
192 	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
193 	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
194 	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
195 	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
196 	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
197 	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
198 	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
199 	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll */
200 					/* support */
201 	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
202 	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
203 	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
204 	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
205 	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
206 	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
207 	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
208 	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
209 	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
210 	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
211 	HAL_CAP_XR		= 21,	/* hardware has XR support  */
212 	/* hardware can support TKIP MIC when WMM is turned on */
213 	HAL_CAP_WME_TKIPMIC	= 22,
214 	/* hardware can support half rate channels */
215 	HAL_CAP_CHAN_HALFRATE	= 23,
216 	/* hardware can support quarter rate channels */
217 	HAL_CAP_CHAN_QUARTERRATE = 24,
218 	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
219 	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
220 	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
221 	HAL_CAP_11D		= 28,	/* 11d beacon support for changing cc */
222 	HAL_CAP_INTMIT		= 29	/* interference mitigation */
223 } HAL_CAPABILITY_TYPE;
224 
225 /*
226  * "States" for setting the LED.  These correspond to
227  * the possible 802.11 operational states and there may
228  * be a many-to-one mapping between these states and the
229  * actual hardware states for the LED's (i.e. the hardware
230  * may have fewer states).
231  */
232 typedef enum {
233 	HAL_LED_INIT	= 0,
234 	HAL_LED_SCAN	= 1,
235 	HAL_LED_AUTH	= 2,
236 	HAL_LED_ASSOC	= 3,
237 	HAL_LED_RUN	= 4
238 } HAL_LED_STATE;
239 
240 /*
241  * Transmit queue types/numbers.  These are used to tag
242  * each transmit queue in the hardware and to identify a set
243  * of transmit queues for operations such as start/stop dma.
244  */
245 typedef enum {
246 	HAL_TX_QUEUE_INACTIVE	= 0,	/* queue is inactive/unused */
247 	HAL_TX_QUEUE_DATA	= 1,	/* data xmit q's */
248 	HAL_TX_QUEUE_BEACON	= 2,	/* beacon xmit q */
249 	HAL_TX_QUEUE_CAB	= 3,	/* "crap after beacon" xmit q */
250 	HAL_TX_QUEUE_UAPSD	= 4	/* u-apsd power save xmit q */
251 } HAL_TX_QUEUE;
252 
253 
254 /*
255  * Transmit queue subtype.  These map directly to
256  * WME Access Categories (except for UPSD).  Refer
257  * to Table 5 of the WME spec.
258  */
259 typedef enum {
260 	HAL_WME_AC_BK	= 0,		/* background access category */
261 	HAL_WME_AC_BE	= 1, 		/* best effort access category */
262 	HAL_WME_AC_VI	= 2,		/* video access category */
263 	HAL_WME_AC_VO	= 3,		/* voice access category */
264 	HAL_WME_UPSD	= 4,		/* uplink power save */
265 	HAL_XR_DATA	= 5		/* entended range data */
266 } HAL_TX_QUEUE_SUBTYPE;
267 
268 /*
269  * Transmit queue flags that control various
270  * operational parameters.
271  */
272 typedef enum {
273 	/*
274 	 * Per queue interrupt enables.  When set the associated
275 	 * interrupt may be delivered for packets sent through
276 	 * the queue.  Without these enabled no interrupts will
277 	 * be delivered for transmits through the queue.
278 	 *
279 	 * When 0x0001 is set, both TXQ_TXOKINT and TXQ_TXERRINT
280 	 * will be enabled.
281 	 */
282 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
283 	HAL_TXQ_TXERRINT_ENABLE    = 0x0001,	/* enable TXERR interrupt */
284 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
285 	HAL_TXQ_TXEOLINT_ENABLE    = 0x0004,	/* enable TXEOL interrupt */
286 	HAL_TXQ_TXURNINT_ENABLE    = 0x0008,	/* enable TXURN interrupt */
287 	/*
288 	 * Enable hardware compression for packets sent through
289 	 * the queue.  The compression buffer must be setup and
290 	 * packets must have a key entry marked in the tx descriptor.
291 	 */
292 	HAL_TXQ_COMPRESSION_ENABLE = 0x0010,	/* enable h/w compression */
293 	/*
294 	 * Disable queue when veol is hit or ready time expires.
295 	 * By default the queue is disabled only on reaching the
296 	 * physical end of queue (i.e. a null link ptr in the
297 	 * descriptor chain).
298 	 */
299 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
300 	/*
301 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
302 	 * event.  Frames will be transmitted only when this timer
303 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
304 	 */
305 	HAL_TXQ_DBA_GATED	   = 0x0040,	/* schedule based on DBA */
306 	/*
307 	 * Each transmit queue has a counter that is incremented
308 	 * each time the queue is enabled and decremented when
309 	 * the list of frames to transmit is traversed (or when
310 	 * the ready time for the queue expires).  This counter
311 	 * must be non-zero for frames to be scheduled for
312 	 * transmission.  The following controls disable bumping
313 	 * this counter under certain conditions.  Typically this
314 	 * is used to gate frames based on the contents of another
315 	 * queue (e.g. CAB traffic may only follow a beacon frame).
316 	 * These are meaningful only when frames are scheduled
317 	 * with a non-ASAP policy (e.g. DBA-gated).
318 	 */
319 	HAL_TXQ_CBR_DIS_QEMPTY	   = 0x0080,	/* disable on this q empty */
320 	HAL_TXQ_CBR_DIS_BEMPTY	   = 0x0100,	/* disable on beacon q empty */
321 
322 	/*
323 	 * Fragment burst backoff policy.   Normally no backoff
324 	 * is done after a successful transmission, the next fragment
325 	 * is sent at SIFS.  If this flag is set backoff is done
326 	 * after each fragment, regardless whether it was ack'd or
327 	 * not, after the backoff count reaches zero a normal channel
328 	 * access procedure is done before the next transmit (i.e.
329 	 * wait AIFS instead of SIFS).
330 	 */
331 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
332 	/*
333 	 * Disable post-tx backoff following each frame.
334 	 */
335 	HAL_TXQ_BACKOFF_DISABLE    =  0x00010000, /* disable post backoff  */
336 	/*
337 	 * DCU arbiter lockout control.  This controls how
338 	 * lower priority tx queues are handled with respect
339 	 * to a specific queue when multiple queues have frames
340 	 * to send.  No lockout means lower priority queues arbitrate
341 	 * concurrently with this queue.  Intra-frame lockout
342 	 * means lower priority queues are locked out until the
343 	 * current frame transmits (e.g. including backoffs and bursting).
344 	 * Global lockout means nothing lower can arbitrary so
345 	 * long as there is traffic activity on this queue (frames,
346 	 * backoff, etc).
347 	 */
348 	HAL_TXQ_ARB_LOCKOUT_INTRA  = 0x00020000, /* intra-frame lockout */
349 	HAL_TXQ_ARB_LOCKOUT_GLOBAL = 0x00040000, /* full lockout s */
350 
351 	HAL_TXQ_IGNORE_VIRTCOL	   = 0x00080000, /* ignore virt collisions */
352 	HAL_TXQ_SEQNUM_INC_DIS	   = 0x00100000  /* disable seqnum increment */
353 } HAL_TX_QUEUE_FLAGS;
354 
355 typedef struct {
356 	uint32_t	tqi_ver;		/* hal TXQ version */
357 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
358 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
359 	uint32_t	tqi_priority;		/* (not used) */
360 	uint32_t	tqi_aifs;		/* AIFS shift */
361 	int32_t		tqi_cwmin;		/* cwMin shift */
362 	int32_t		tqi_cwmax;		/* cwMax shift */
363 	uint16_t	tqi_shretry;		/* rts retry limit */
364 	uint16_t	tqi_lgretry;		/* long retry limit(not used) */
365 	uint32_t	tqi_cbrPeriod;
366 	uint32_t	tqi_cbrOverflowLimit;
367 	uint32_t	tqi_burstTime;
368 	uint32_t	tqi_readyTime;
369 	uint32_t	tqi_compBuf;		/* compress buffer phys addr */
370 } HAL_TXQ_INFO;
371 
372 #define	HAL_TQI_NONVAL		0xffff
373 
374 /* token to use for aifs, cwmin, cwmax */
375 #define	HAL_TXQ_USEDEFAULT	((uint32_t)-1)
376 
377 /*
378  * Transmit packet types.  This belongs in ah_desc.h, but
379  * is here so we can give a proper type to various parameters
380  * (and not require everyone include the file).
381  *
382  * NB: These values are intentionally assigned for
383  *     direct use when setting up h/w descriptors.
384  */
385 typedef enum {
386 	HAL_PKT_TYPE_NORMAL	= 0,
387 	HAL_PKT_TYPE_ATIM	= 1,
388 	HAL_PKT_TYPE_PSPOLL	= 2,
389 	HAL_PKT_TYPE_BEACON	= 3,
390 	HAL_PKT_TYPE_PROBE_RESP	= 4,
391 	HAL_PKT_TYPE_CHIRP	= 5,
392 	HAL_PKT_TYPE_GRP_POLL	= 6
393 } HAL_PKT_TYPE;
394 
395 /* Rx Filter Frame Types */
396 typedef enum {
397 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
398 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
399 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
400 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
401 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
402 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
403 	HAL_RX_FILTER_XRPOLL	= 0x00000040,	/* Allow XR poll frmae */
404 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
405 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
406 	HAL_RX_FILTER_PHYRADAR	= 0x00000200	/* Allow phy radar errors */
407 } HAL_RX_FILTER;
408 
409 typedef enum {
410 	HAL_PM_AWAKE		= 0,
411 	HAL_PM_FULL_SLEEP	= 1,
412 	HAL_PM_NETWORK_SLEEP	= 2,
413 	HAL_PM_UNDEFINED	= 3
414 } HAL_POWER_MODE;
415 
416 /*
417  * NOTE WELL:
418  * These are mapped to take advantage of the common locations for many of
419  * the bits on all of the currently supported MAC chips. This is to make
420  * the ISR as efficient as possible, while still abstracting HW differences.
421  * When new hardware breaks this commonality this enumerated type, as well
422  * as the HAL functions using it, must be modified. All values are directly
423  * mapped unless commented otherwise.
424  */
425 typedef enum {
426 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
427 	HAL_INT_RXDESC	= 0x00000002,
428 	HAL_INT_RXNOFRM	= 0x00000008,
429 	HAL_INT_RXEOL	= 0x00000010,
430 	HAL_INT_RXORN	= 0x00000020,
431 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
432 	HAL_INT_TXDESC	= 0x00000080,
433 	HAL_INT_TXURN	= 0x00000800,
434 	HAL_INT_MIB	= 0x00001000,
435 	HAL_INT_RXPHY	= 0x00004000,
436 	HAL_INT_RXKCM	= 0x00008000,
437 	HAL_INT_SWBA	= 0x00010000,
438 	HAL_INT_BMISS	= 0x00040000,
439 	HAL_INT_BNR	= 0x00100000,	/* Non-common mapping */
440 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
441 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
442 	HAL_INT_DTIMSYNC = 0x00800000,	/* Non-common mapping */
443 	HAL_INT_GPIO	= 0x01000000,
444 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
445 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
446 	HAL_INT_GLOBAL	= INT_MIN,	/* Set/clear IER */
447 	HAL_INT_BMISC	= HAL_INT_TIM
448 			| HAL_INT_DTIM
449 			| HAL_INT_DTIMSYNC
450 			| HAL_INT_CABEND,
451 
452 	/* Interrupt bits that map directly to ISR/IMR bits */
453 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
454 			| HAL_INT_RXDESC
455 			| HAL_INT_RXEOL
456 			| HAL_INT_RXORN
457 			| HAL_INT_TXURN
458 			| HAL_INT_TXDESC
459 			| HAL_INT_MIB
460 			| HAL_INT_RXPHY
461 			| HAL_INT_RXKCM
462 			| HAL_INT_SWBA
463 			| HAL_INT_BMISS
464 			| HAL_INT_GPIO,
465 	HAL_INT_NOCARD	= -1	/* To signal the card was removed */
466 } HAL_INT;
467 
468 typedef enum {
469 	HAL_RFGAIN_INACTIVE		= 0,
470 	HAL_RFGAIN_READ_REQUESTED	= 1,
471 	HAL_RFGAIN_NEED_CHANGE		= 2
472 } HAL_RFGAIN;
473 
474 typedef enum {
475 	HAL_PHYERR_UNDERRUN		= 0,	/* Transmit underrun */
476 	HAL_PHYERR_TIMING		= 1,	/* Timing error */
477 	HAL_PHYERR_PARITY		= 2,	/* Illegal parity */
478 	HAL_PHYERR_RATE			= 3,	/* Illegal rate */
479 	HAL_PHYERR_LENGTH		= 4,	/* Illegal length */
480 	HAL_PHYERR_RADAR		= 5,	/* Radar detect */
481 	HAL_PHYERR_SERVICE		= 6,	/* Illegal service */
482 	HAL_PHYERR_TOR			= 7,	/* Transmit override receive */
483 	/* NB: these are specific to the 5212 */
484 	HAL_PHYERR_OFDM_TIMING		= 17,	/* */
485 	HAL_PHYERR_OFDM_SIGNAL_PARITY	= 18,	/* */
486 	HAL_PHYERR_OFDM_RATE_ILLEGAL	= 19,	/* */
487 	HAL_PHYERR_OFDM_LENGTH_ILLEGAL	= 20,	/* */
488 	HAL_PHYERR_OFDM_POWER_DROP	= 21,	/* */
489 	HAL_PHYERR_OFDM_SERVICE		= 22,	/* */
490 	HAL_PHYERR_OFDM_RESTART		= 23,	/* */
491 	HAL_PHYERR_CCK_TIMING		= 25,	/* */
492 	HAL_PHYERR_CCK_HEADER_CRC	= 26,	/* */
493 	HAL_PHYERR_CCK_RATE_ILLEGAL	= 27,	/* */
494 	HAL_PHYERR_CCK_SERVICE		= 30,	/* */
495 	HAL_PHYERR_CCK_RESTART		= 31	/* */
496 }HAL_PHYERR;
497 
498 /*
499  * Channels are specified by frequency.
500  */
501 typedef struct {
502 	uint16_t	channel;	/* setting in Mhz */
503 	uint16_t	channelFlags;	/* see below */
504 	uint8_t		privFlags;
505 	int8_t		maxRegTxPower;	/* max regulatory tx power in dBm */
506 	int8_t		maxTxPower;	/* max true tx power in 0.5 dBm */
507 	int8_t		minTxPower;	/* min true tx power in 0.5 dBm */
508 } HAL_CHANNEL;
509 
510 
511 typedef struct {
512 	uint32_t	ackrcv_bad;
513 	uint32_t	rts_bad;
514 	uint32_t	rts_good;
515 	uint32_t	fcs_bad;
516 	uint32_t	beacons;
517 } HAL_MIB_STATS;
518 
519 
520 enum {
521 	CTRY_DEBUG	= 0x1ff,		/* debug country code */
522 	CTRY_DEFAULT	= 0			/* default country code */
523 };
524 
525 enum {
526 	HAL_MODE_11A	= 0x001,	/* 11a channels */
527 	HAL_MODE_TURBO	= 0x002,	/* 11a turbo-only channels */
528 	HAL_MODE_11B	= 0x004,	/* 11b channels */
529 	HAL_MODE_PUREG	= 0x008,	/* 11g channels (OFDM only) */
530 	HAL_MODE_11G	= 0x008,	/* XXX historical */
531 	HAL_MODE_108G	= 0x020,	/* 11g+Turbo channels */
532 	HAL_MODE_108A	= 0x040,	/* 11a+Turbo channels */
533 	HAL_MODE_XR	= 0x100,	/* XR channels */
534 	HAL_MODE_11A_HALF_RATE = 0x200,	/* 11A half rate channels */
535 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11A quarter rate channels */
536 	HAL_MODE_ALL	= 0xfff
537 };
538 
539 typedef struct {
540 	int		rateCount;		/* NB: for proper padding */
541 	uint8_t	rateCodeToIndex[32];	/* back mapping */
542 	struct {
543 		uint8_t	valid;		/* valid for rate control use */
544 		uint8_t	phy;		/* CCK/OFDM/XR */
545 		uint16_t rateKbps;	/* transfer rate in kbs */
546 		uint8_t	rateCode;	/* rate for h/w descriptors */
547 		/* mask for enabling short preamble in CCK rate code */
548 		uint8_t	shortPreamble;
549 		/* value for supported rates info element of MLME */
550 		uint8_t	dot11Rate;
551 		/* index of next lower basic rate; used for dur. calcs */
552 		uint8_t	controlRate;
553 		uint16_t lpAckDuration;	/* long preamble ACK duration */
554 		uint16_t spAckDuration;	/* short preamble ACK duration */
555 	} info[32];
556 } HAL_RATE_TABLE;
557 
558 typedef struct {
559 	uint32_t	rs_count;	/* number of valid entries */
560 	uint8_t	rs_rates[32];		/* rates */
561 } HAL_RATE_SET;
562 
563 /*
564  * Antenna switch control.  By default antenna selection
565  * enables multiple (2) antenna use.  To force use of the
566  * A or B antenna only specify a fixed setting.  Fixing
567  * the antenna will also disable any diversity support.
568  */
569 typedef enum {
570 	HAL_ANT_VARIABLE = 0,		/* variable by programming */
571 	HAL_ANT_FIXED_A	 = 1,		/* fixed antenna A */
572 	HAL_ANT_FIXED_B	 = 2		/* fixed antenna B */
573 } HAL_ANT_SETTING;
574 
575 typedef enum {
576 	HAL_M_STA	= 1,		/* infrastructure station */
577 	HAL_M_IBSS	= 0,		/* IBSS (adhoc) station */
578 	HAL_M_HOSTAP	= 6,		/* Software Access Point */
579 	HAL_M_MONITOR	= 8		/* Monitor mode */
580 } HAL_OPMODE;
581 
582 typedef struct {
583 	uint8_t	kv_type;		/* one of HAL_CIPHER */
584 	uint8_t	kv_pad;
585 	uint16_t	kv_len;		/* length in bits */
586 	uint8_t	kv_val[16];		/* enough for 128-bit keys */
587 	uint8_t	kv_mic[8];		/* TKIP MIC key */
588 } HAL_KEYVAL;
589 
590 typedef enum {
591 	HAL_CIPHER_WEP		= 0,
592 	HAL_CIPHER_AES_OCB	= 1,
593 	HAL_CIPHER_AES_CCM	= 2,
594 	HAL_CIPHER_CKIP		= 3,
595 	HAL_CIPHER_TKIP		= 4,
596 	HAL_CIPHER_CLR		= 5,	/* no encryption */
597 
598 	HAL_CIPHER_MIC		= 127	/* TKIP-MIC, not a cipher */
599 } HAL_CIPHER;
600 
601 enum {
602 	HAL_SLOT_TIME_6  = 6,		/* NB: for turbo mode */
603 	HAL_SLOT_TIME_9	 = 9,
604 	HAL_SLOT_TIME_20 = 20
605 };
606 
607 /*
608  * Per-station beacon timer state.  Note that the specified
609  * beacon interval (given in TU's) can also include flags
610  * to force a TSF reset and to enable the beacon xmit logic.
611  * If bs_cfpmaxduration is non-zero the hardware is setup to
612  * coexist with a PCF-capable AP.
613  */
614 typedef struct {
615 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
616 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
617 	uint32_t	bs_intval;		/* beacon interval+flags */
618 	uint32_t	bs_dtimperiod;
619 	uint16_t	bs_cfpperiod;		/* CFP period in TU */
620 	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
621 	uint32_t	bs_cfpnext;		/* next CFP in TU */
622 	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
623 	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
624 	uint32_t	bs_sleepduration;	/* max sleep duration */
625 } HAL_BEACON_STATE;
626 
627 /*
628  * Like HAL_BEACON_STATE but for non-station mode setup.
629  * NB: see above flag definitions
630  */
631 typedef struct {
632 	uint32_t	bt_intval;		/* beacon interval+flags */
633 	uint32_t	bt_nexttbtt;		/* next beacon in TU */
634 	uint32_t	bt_nextatim;		/* next ATIM in TU */
635 	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
636 	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
637 } HAL_BEACON_TIMERS;
638 
639 /*
640  * Per-node statistics maintained by the driver for use in
641  * optimizing signal quality and other operational aspects.
642  */
643 typedef struct {
644 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
645 	uint32_t	ns_avgrssi;	/* average data rssi */
646 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
647 } HAL_NODE_STATS;
648 
649 /*
650  * Transmit descriptor status.  This structure is filled
651  * in only after the tx descriptor process method finds a
652  * ``done'' descriptor; at which point it returns something
653  * other than HAL_EINPROGRESS.
654  *
655  * Note that ts_antenna may not be valid for all h/w.  It
656  * should be used only if non-zero.
657  */
658 struct ath_tx_status {
659 	uint16_t	ts_seqnum;	/* h/w assigned sequence number */
660 	uint16_t	ts_tstamp;	/* h/w assigned timestamp */
661 	uint8_t		ts_status;	/* frame status, 0 => xmit ok */
662 	uint8_t		ts_rate;	/* h/w transmit rate index */
663 	int8_t		ts_rssi;	/* tx ack RSSI */
664 	uint8_t		ts_shortretry;	/* # short retries */
665 	uint8_t		ts_longretry;	/* # long retries */
666 	uint8_t		ts_virtcol;	/* virtual collision count */
667 	uint8_t		ts_antenna;	/* antenna information */
668 };
669 
670 
671 /*
672  * Receive descriptor status.  This structure is filled
673  * in only after the rx descriptor process method finds a
674  * ``done'' descriptor; at which point it returns something
675  * other than HAL_EINPROGRESS.
676  *
677  * If rx_status is zero, then the frame was received ok;
678  * otherwise the error information is indicated and rs_phyerr
679  * contains a phy error code if HAL_RXERR_PHY is set.  In general
680  * the frame contents is undefined when an error occurred thought
681  * for some errors (e.g. a decryption error), it may be meaningful.
682  *
683  * Note that the receive timestamp is expanded using the TSF to
684  * a full 16 bits (regardless of what the h/w provides directly).
685  *
686  * rx_rssi is in units of dbm above the noise floor.  This value
687  * is measured during the preamble and PLCP; i.e. with the initial
688  * 4us of detection.  The noise floor is typically a consistent
689  * -96dBm absolute power in a 20MHz channel.
690  */
691 struct ath_rx_status {
692 	uint16_t	rs_datalen;	/* rx frame length */
693 	uint16_t	rs_tstamp;	/* h/w assigned timestamp */
694 	uint8_t		rs_status;	/* rx status, 0 => recv ok */
695 	uint8_t		rs_phyerr;	/* phy error code */
696 	int8_t		rs_rssi;	/* rx frame RSSI */
697 	uint8_t		rs_keyix;	/* key cache index */
698 	uint8_t		rs_rate;	/* h/w receive rate index */
699 	uint8_t		rs_antenna;	/* antenna information */
700 	uint8_t		rs_more;	/* see HAL_RXERR_XXX definition */
701 };
702 
703 /*
704  * Definitions for the software frame/packet descriptors used by
705  * the Atheros HAL.  This definition obscures hardware-specific
706  * details from the driver.  Drivers are expected to fillin the
707  * portions of a descriptor that are not opaque then use HAL calls
708  * to complete the work.  Status for completed frames is returned
709  * in a device-independent format.
710  */
711 #pragma pack(1)
712 struct ath_desc {
713 	/*
714 	 * The following definitions are passed directly
715 	 * the hardware and managed by the HAL.  Drivers
716 	 * should not touch those elements marked opaque.
717 	 */
718 	uint32_t	ds_link;	/* phys address of next descriptor */
719 	uint32_t	ds_data;	/* phys address of data buffer */
720 	uint32_t	ds_ctl0;	/* opaque DMA control 0 */
721 	uint32_t	ds_ctl1;	/* opaque DMA control 1 */
722 	uint32_t	ds_hw[4];	/* opaque h/w region */
723 	/*
724 	 * The remaining definitions are managed by software;
725 	 * these are valid only after the rx/tx process descriptor
726 	 * methods return a non-EINPROGRESS  code.
727 	 */
728 	union {
729 		struct ath_tx_status tx; /* xmit status */
730 		struct ath_rx_status rx; /* recv status */
731 	} ds_us;
732 	void		*ds_vdata;	  /* virtual addr of data buffer */
733 };
734 #pragma pack()
735 
736 #define	ds_txstat	ds_us.tx
737 #define	ds_rxstat	ds_us.rx
738 
739 /*
740  * Hardware Access Layer (HAL) API.
741  *
742  * Clients of the HAL call ath_hal_attach to obtain a reference to an
743  * ath_hal structure for use with the device.  Hardware-related operations
744  * that follow must call back into the HAL through interface, supplying
745  * the reference as the first parameter.  Note that before using the
746  * reference returned by ath_hal_attach the caller should verify the
747  * ABI version number.
748  */
749 struct ath_hal {
750 	uint32_t	ah_magic;	/* consistency check magic number */
751 	uint32_t	ah_abi;		/* HAL ABI version */
752 	uint16_t	ah_devid;	/* PCI device ID */
753 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
754 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
755 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
756 	HAL_BUS_HANDLE	ah_sh;
757 	HAL_CTRY_CODE	ah_countryCode;
758 
759 	uint32_t	ah_macVersion;	/* MAC version id */
760 	uint16_t	ah_macRev;	/* MAC revision */
761 	uint16_t	ah_phyRev;	/* PHY revision */
762 	/* NB: when only one radio is present the rev is in 5Ghz */
763 	uint16_t	ah_analog5GhzRev; /* 5GHz radio revision */
764 	uint16_t	ah_analog2GhzRev; /* 2GHz radio revision */
765 	/* decomp mask array */
766 	uint8_t		ah_decompMask[HAL_DECOMP_MASK_SIZE];
767 
768 	const HAL_RATE_TABLE *(*ah_getRateTable)(struct ath_hal *,
769 				uint32_t mode);
770 	void	  (*ah_detach) (struct ath_hal *);
771 
772 	/* Reset functions */
773 	HAL_BOOL  (*ah_reset) (struct ath_hal *, HAL_OPMODE,
774 				HAL_CHANNEL *, HAL_BOOL bChannelChange,
775 				HAL_STATUS *status);
776 	HAL_BOOL  (*ah_phyDisable) (struct ath_hal *);
777 	HAL_BOOL  (*ah_disable) (struct ath_hal *);
778 	void	  (*ah_setPCUConfig) (struct ath_hal *);
779 	HAL_BOOL  (*ah_perCalibration) (struct ath_hal *, HAL_CHANNEL *,
780 				HAL_BOOL *);
781 	HAL_BOOL  (*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
782 
783 	void	  (*ah_arEnable)(struct ath_hal *);
784 	void	  (*ah_arDisable)(struct ath_hal *);
785 	void	  (*ah_arReset)(struct ath_hal *);
786 	HAL_BOOL  (*ah_radarHaveEvent)(struct ath_hal *);
787 	HAL_BOOL  (*ah_processDfs)(struct ath_hal *, HAL_CHANNEL *);
788 	uint32_t  (*ah_dfsNolCheck)(struct ath_hal *, HAL_CHANNEL *, uint32_t);
789 	HAL_BOOL  (*ah_radarWait)(struct ath_hal *, HAL_CHANNEL *);
790 
791 	/* Transmit functions */
792 	HAL_BOOL  (*ah_updateTxTrigLevel) (struct ath_hal *,
793 				HAL_BOOL incTrigLevel);
794 	int	  (*ah_setupTxQueue) (struct ath_hal *, HAL_TX_QUEUE,
795 				const HAL_TXQ_INFO *qInfo);
796 	HAL_BOOL  (*ah_setTxQueueProps) (struct ath_hal *, int q,
797 				const HAL_TXQ_INFO *qInfo);
798 	HAL_BOOL  (*ah_getTxQueueProps)(struct ath_hal *, int q,
799 				HAL_TXQ_INFO *qInfo);
800 	HAL_BOOL  (*ah_releaseTxQueue) (struct ath_hal *ah, uint32_t q);
801 	HAL_BOOL  (*ah_resetTxQueue) (struct ath_hal *ah, uint32_t q);
802 	uint32_t (*ah_getTxDP) (struct ath_hal *, uint32_t);
803 	HAL_BOOL  (*ah_setTxDP) (struct ath_hal *, uint32_t, uint32_t txdp);
804 	uint32_t (*ah_numTxPending)(struct ath_hal *, uint32_t q);
805 	HAL_BOOL  (*ah_startTxDma) (struct ath_hal *, uint32_t);
806 	HAL_BOOL  (*ah_stopTxDma) (struct ath_hal *, uint32_t);
807 	HAL_BOOL  (*ah_setupTxDesc) (struct ath_hal *, struct ath_desc *,
808 				uint32_t pktLen, uint32_t hdrLen,
809 				HAL_PKT_TYPE type, uint32_t txPower,
810 				uint32_t txRate0, uint32_t txTries0,
811 				uint32_t keyIx, uint32_t antMode,
812 				uint32_t flags, uint32_t rtsctsRate,
813 				uint32_t rtsctsDuration,
814 				uint32_t compicvLen, uint32_t compivLen,
815 				uint32_t comp);
816 	HAL_BOOL  (*ah_setupXTxDesc) (struct ath_hal *, struct ath_desc *,
817 				uint32_t txRate1, uint32_t txTries1,
818 				uint32_t txRate2, uint32_t txTries2,
819 				uint32_t txRate3, uint32_t txTries3);
820 	HAL_BOOL  (*ah_fillTxDesc) (struct ath_hal *, struct ath_desc *,
821 				uint32_t segLen, HAL_BOOL firstSeg,
822 				HAL_BOOL lastSeg, const struct ath_desc *);
823 	HAL_STATUS (*ah_procTxDesc) (struct ath_hal *, struct ath_desc *);
824 	void	   (*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
825 	void	   (*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc *);
826 
827 	/* Receive Functions */
828 	uint32_t (*ah_getRxDP) (struct ath_hal *);
829 	void	  (*ah_setRxDP) (struct ath_hal *, uint32_t rxdp);
830 	void	  (*ah_enableReceive) (struct ath_hal *);
831 	HAL_BOOL  (*ah_stopDmaReceive) (struct ath_hal *);
832 	void	  (*ah_startPcuReceive) (struct ath_hal *);
833 	void	  (*ah_stopPcuReceive) (struct ath_hal *);
834 	void	  (*ah_setMulticastFilter) (struct ath_hal *,
835 				uint32_t filter0, uint32_t filter1);
836 	HAL_BOOL  (*ah_setMulticastFilterIndex) (struct ath_hal *,
837 				uint32_t index);
838 	HAL_BOOL  (*ah_clrMulticastFilterIndex) (struct ath_hal *,
839 				uint32_t index);
840 	uint32_t (*ah_getRxFilter) (struct ath_hal *);
841 	void	  (*ah_setRxFilter) (struct ath_hal *, uint32_t);
842 	HAL_BOOL  (*ah_setupRxDesc) (struct ath_hal *, struct ath_desc *,
843 				uint32_t size, uint32_t flags);
844 	HAL_STATUS (*ah_procRxDesc) (struct ath_hal *, struct ath_desc *,
845 				uint32_t phyAddr, struct ath_desc *next,
846 				uint64_t tsf);
847 	void	  (*ah_rxMonitor) (struct ath_hal *,
848 				const HAL_NODE_STATS *, HAL_CHANNEL *);
849 	void	  (*ah_procMibEvent) (struct ath_hal *,
850 				const HAL_NODE_STATS *);
851 
852 	/* Misc Functions */
853 	HAL_STATUS  (*ah_getCapability) (struct ath_hal *,
854 				HAL_CAPABILITY_TYPE, uint32_t capability,
855 				uint32_t *result);
856 	HAL_BOOL    (*ah_setCapability) (struct ath_hal *,
857 				HAL_CAPABILITY_TYPE, uint32_t capability,
858 				uint32_t setting, HAL_STATUS *);
859 	HAL_BOOL    (*ah_getDiagState) (struct ath_hal *, int request,
860 				const void *args, uint32_t argsize,
861 				void **result, uint32_t *resultsize);
862 	void	  (*ah_getMacAddress) (struct ath_hal *, uint8_t *);
863 	HAL_BOOL  (*ah_setMacAddress) (struct ath_hal *, const uint8_t *);
864 	void	  (*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
865 	HAL_BOOL  (*ah_setBssIdMask)(struct ath_hal *, const uint8_t *);
866 	HAL_BOOL  (*ah_setRegulatoryDomain) (struct ath_hal *,
867 				uint16_t, HAL_STATUS *);
868 	void	  (*ah_setLedState) (struct ath_hal *, HAL_LED_STATE);
869 	void	  (*ah_writeAssocid) (struct ath_hal *,
870 				const uint8_t *bssid, uint16_t assocId);
871 	HAL_BOOL  (*ah_gpioCfgOutput) (struct ath_hal *, uint32_t gpio);
872 	HAL_BOOL  (*ah_gpioCfgInput) (struct ath_hal *, uint32_t gpio);
873 	uint32_t (*ah_gpioGet) (struct ath_hal *, uint32_t gpio);
874 	HAL_BOOL  (*ah_gpioSet) (struct ath_hal *,
875 				uint32_t gpio, uint32_t val);
876 	void	  (*ah_gpioSetIntr) (struct ath_hal *, uint32_t, uint32_t);
877 	uint32_t (*ah_getTsf32) (struct ath_hal *);
878 	uint64_t (*ah_getTsf64) (struct ath_hal *);
879 	void	  (*ah_resetTsf) (struct ath_hal *);
880 	HAL_BOOL  (*ah_detectCardPresent) (struct ath_hal *);
881 	void	  (*ah_updateMibCounters) (struct ath_hal *, HAL_MIB_STATS *);
882 	HAL_RFGAIN (*ah_getRfGain) (struct ath_hal *);
883 	uint32_t  (*ah_getDefAntenna) (struct ath_hal *);
884 	void	  (*ah_setDefAntenna) (struct ath_hal *, uint32_t);
885 	HAL_ANT_SETTING (*ah_getAntennaSwitch) (struct ath_hal *);
886 	HAL_BOOL  (*ah_setAntennaSwitch) (struct ath_hal *, HAL_ANT_SETTING);
887 	HAL_BOOL  (*ah_setSlotTime) (struct ath_hal *, uint32_t);
888 	uint32_t  (*ah_getSlotTime) (struct ath_hal *);
889 	HAL_BOOL  (*ah_setAckTimeout) (struct ath_hal *, uint32_t);
890 	uint32_t  (*ah_getAckTimeout) (struct ath_hal *);
891 	HAL_BOOL  (*ah_setAckCTSRate) (struct ath_hal *, uint32_t);
892 	uint32_t  (*ah_getAckCTSRate) (struct ath_hal *);
893 	HAL_BOOL  (*ah_setCTSTimeout) (struct ath_hal *, uint32_t);
894 	uint32_t  (*ah_getCTSTimeout) (struct ath_hal *);
895 	HAL_BOOL  (*ah_setDecompMask)(struct ath_hal *, uint16_t, int);
896 	void	  (*ah_setCoverageClass)(struct ath_hal *, uint8_t, int);
897 	/* Key Cache Functions */
898 	uint32_t (*ah_getKeyCacheSize) (struct ath_hal *);
899 	HAL_BOOL  (*ah_resetKeyCacheEntry) (struct ath_hal *, uint16_t);
900 	HAL_BOOL  (*ah_isKeyCacheEntryValid) (struct ath_hal *, uint16_t);
901 	HAL_BOOL  (*ah_setKeyCacheEntry) (struct ath_hal *,
902 				uint16_t, const HAL_KEYVAL *,
903 				const uint8_t *, int);
904 	HAL_BOOL  (*ah_setKeyCacheEntryMac) (struct ath_hal *,
905 				uint16_t, const uint8_t *);
906 
907 	/* Power Management Functions */
908 	HAL_BOOL  (*ah_setPowerMode) (struct ath_hal *,
909 				HAL_POWER_MODE mode, int setChip);
910 	HAL_POWER_MODE (*ah_getPowerMode) (struct ath_hal *);
911 	int16_t   (*ah_getChanNoise)(struct ath_hal *, HAL_CHANNEL *);
912 
913 	/* Beacon Management Functions */
914 	void	  (*ah_setBeaconTimers) (struct ath_hal *,
915 				const HAL_BEACON_TIMERS *);
916 	/* NB: deprecated, use ah_setBeaconTimers instead */
917 	void	  (*ah_beaconInit) (struct ath_hal *,
918 				uint32_t nexttbtt, uint32_t intval);
919 	void	  (*ah_setStationBeaconTimers) (struct ath_hal *,
920 				const HAL_BEACON_STATE *);
921 	void	  (*ah_resetStationBeaconTimers) (struct ath_hal *);
922 
923 	/* Interrupt functions */
924 	HAL_BOOL  (*ah_isInterruptPending) (struct ath_hal *);
925 	HAL_BOOL  (*ah_getPendingInterrupts) (struct ath_hal *, HAL_INT *);
926 	HAL_INT	  (*ah_getInterrupts) (struct ath_hal *);
927 	HAL_INT	  (*ah_setInterrupts) (struct ath_hal *, HAL_INT);
928 };
929 
930 /*
931  * Check the PCI vendor ID and device ID against Atheros' values
932  * and return a printable description for any Atheros hardware.
933  * AH_NULL is returned if the ID's do not describe Atheros hardware.
934  */
935 extern	const char *ath_hal_probe(uint16_t vendorid, uint16_t devid);
936 
937 /*
938  * Attach the HAL for use with the specified device.  The device is
939  * defined by the PCI device ID.  The caller provides an opaque pointer
940  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
941  * HAL state block for later use.  Hardware register accesses are done
942  * using the specified bus tag and handle.  On successful return a
943  * reference to a state block is returned that must be supplied in all
944  * subsequent HAL calls.  Storage associated with this reference is
945  * dynamically allocated and must be freed by calling the ah_detach
946  * method when the client is done.  If the attach operation fails a
947  * null (AH_NULL) reference will be returned and a status code will
948  * be returned if the status parameter is non-zero.
949  */
950 extern	struct ath_hal *ath_hal_attach(uint16_t devid, HAL_SOFTC,
951 		HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS *status);
952 
953 /*
954  * Set the Vendor ID for Vendor SKU's which can modify the
955  * channel properties returned by ath_hal_init_channels.
956  * Return AH_TRUE if set succeeds
957  */
958 extern  HAL_BOOL ath_hal_setvendor(struct ath_hal *, uint32_t);
959 
960 /*
961  * Return a list of channels available for use with the hardware.
962  * The list is based on what the hardware is capable of, the specified
963  * country code, the modeSelect mask, and whether or not outdoor
964  * channels are to be permitted.
965  *
966  * The channel list is returned in the supplied array.  maxchans
967  * defines the maximum size of this array.  nchans contains the actual
968  * number of channels returned.  If a problem occurred or there were
969  * no channels that met the criteria then AH_FALSE is returned.
970  */
971 extern	HAL_BOOL  ath_hal_init_channels(struct ath_hal *,
972 		HAL_CHANNEL *chans, uint32_t maxchans, uint32_t *nchans,
973 		uint8_t *regclassids, uint32_t maxregids, uint32_t *nregids,
974 		HAL_CTRY_CODE cc, uint16_t modeSelect,
975 		HAL_BOOL enableOutdoor, HAL_BOOL enableExtendedChannels);
976 
977 /*
978  * Calibrate noise floor data following a channel scan or similar.
979  *  This must be called prior retrieving noise floor data.
980  */
981 extern void ath_hal_process_noisefloor(struct ath_hal *ah);
982 
983 /*
984  * Return bit mask of wireless modes supported by the hardware.
985  */
986 extern	uint32_t  ath_hal_getwirelessmodes(struct ath_hal *, HAL_CTRY_CODE);
987 
988 /*
989  * Return rate table for specified mode (11a, 11b, 11g, etc).
990  */
991 extern	const HAL_RATE_TABLE *  ath_hal_getratetable(struct ath_hal *,
992 		uint32_t mode);
993 
994 /*
995  * Calculate the transmit duration of a frame.
996  */
997 extern uint16_t  ath_hal_computetxtime(struct ath_hal *,
998 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
999 		uint16_t rateix, HAL_BOOL shortPreamble);
1000 
1001 /*
1002  * Return if device is public safety.
1003  */
1004 extern HAL_BOOL ath_hal_ispublicsafetysku(struct ath_hal *);
1005 
1006 /*
1007  * Convert between IEEE channel number and channel frequency
1008  * using the specified channel flags; e.g. CHANNEL_2GHZ.
1009  */
1010 extern	int  ath_hal_mhz2ieee(struct ath_hal *, uint32_t mhz, uint32_t flags);
1011 
1012 /*
1013  * Return a version string for the HAL release.
1014  */
1015 extern	char ath_hal_version[];
1016 
1017 /*
1018  * Return a NULL-terminated array of build/configuration options.
1019  */
1020 extern	const char *ath_hal_buildopts[];
1021 
1022 /*
1023  * Macros to encapsulated HAL functions.
1024  */
1025 #define	ATH_HAL_RESET(_ah, _opmode, _chan, _outdoor, _pstatus) \
1026 	((*(_ah)->ah_reset)((_ah), (_opmode), (_chan), (_outdoor), (_pstatus)))
1027 #define	ATH_HAL_PHYDISABLE(_ah)	\
1028 	((*(_ah)->ah_phyDisable)((_ah)))
1029 #define	ATH_HAL_GETCAPABILITY(_ah, _cap, _param, _result) \
1030 	((*(_ah)->ah_getCapability)((_ah), (_cap), (_param), (_result)))
1031 #define	ATH_HAL_SETCAPABILITY(_ah, _type, _cap, _param, _status) \
1032 	((*ah_setCapability)((_ah), (_type), (_cap), (_param), (_status)))
1033 #define	ATH_HAL_GETREGDOMAIN(_ah, _prd) \
1034 	ATH_HAL_GETCAPABILITY(_ah, HAL_CAP_REG_DMN, 0, (_prd))
1035 #define	ATH_HAL_GETCOUNTRYCODE(_ah, _pcc) \
1036 	(*(_pcc) = (_ah)->ah_countryCode)
1037 #define	ATH_HAL_GETRATETABLE(_ah, _mode) \
1038 	((*(_ah)->ah_getRateTable)((_ah), (_mode)))
1039 #define	ATH_HAL_GETMAC(_ah, _mac) \
1040 	((*(_ah)->ah_getMacAddress)((_ah), (_mac)))
1041 #define	ATH_HAL_SETMAC(_ah, _mac) \
1042 	((*(_ah)->ah_setMacAddress)((_ah), (_mac)))
1043 #define	ATH_HAL_INTRSET(_ah, _mask) \
1044 	((*(_ah)->ah_setInterrupts)((_ah), (_mask)))
1045 #define	ATH_HAL_INTRGET(_ah) \
1046 	((*(_ah)->ah_getInterrupts)((_ah)))
1047 #define	ATH_HAL_INTRPEND(_ah) \
1048 	((*(_ah)->ah_isInterruptPending)((_ah)))
1049 #define	ATH_HAL_GETISR(_ah, _pmask) \
1050 	((*(_ah)->ah_getPendingInterrupts)((_ah), (_pmask)))
1051 #define	ATH_HAL_UPDATETXTRIGLEVEL(_ah, _inc) \
1052 	((*(_ah)->ah_updateTxTrigLevel)((_ah), (_inc)))
1053 #define	ATH_HAL_SETPOWER(_ah, _mode) \
1054 	((*(_ah)->ah_setPowerMode)((_ah), (_mode), AH_TRUE))
1055 #define	ATH_HAL_KEYRESET(_ah, _ix) \
1056 	((*(_ah)->ah_resetKeyCacheEntry)((_ah), (_ix)))
1057 #define	ATH_HAL_KEYSET(_ah, _ix, _pk, _mac) \
1058 	((*(_ah)->ah_setKeyCacheEntry)((_ah), (_ix), (_pk), (_mac), AH_FALSE))
1059 #define	ATH_HAL_KEYISVALID(_ah, _ix) \
1060 	(((*(_ah)->ah_isKeyCacheEntryValid)((_ah), (_ix))))
1061 #define	ATH_HAL_KEYSETMAC(_ah, _ix, _mac) \
1062 	((*(_ah)->ah_setKeyCacheEntryMac)((_ah), (_ix), (_mac)))
1063 #define	ATH_HAL_KEYCACHESIZE(_ah) \
1064 	((*(_ah)->ah_getKeyCacheSize)((_ah)))
1065 #define	ATH_HAL_GETRXFILTER(_ah) \
1066 	((*(_ah)->ah_getRxFilter)((_ah)))
1067 #define	ATH_HAL_SETRXFILTER(_ah, _filter) \
1068 	((*(_ah)->ah_setRxFilter)((_ah), (_filter)))
1069 #define	ATH_HAL_SETMCASTFILTER(_ah, _mfilt0, _mfilt1) \
1070 	((*(_ah)->ah_setMulticastFilter)((_ah), (_mfilt0), (_mfilt1)))
1071 #define	ATH_HAL_WAITFORBEACON(_ah, _bf) \
1072 	((*(_ah)->ah_waitForBeaconDone)((_ah), (_bf)->bf_daddr))
1073 #define	ATH_HAL_PUTRXBUF(_ah, _bufaddr) \
1074 	((*(_ah)->ah_setRxDP)((_ah), (_bufaddr)))
1075 #define	ATH_HAL_GETTSF32(_ah) \
1076 	((*(_ah)->ah_getTsf32)((_ah)))
1077 #define	ATH_HAL_GETTSF64(_ah) \
1078 	((*(_ah)->ah_getTsf64)((_ah)))
1079 #define	ATH_HAL_RESETTSF(_ah) \
1080 	((*(_ah)->ah_resetTsf)((_ah)))
1081 #define	ATH_HAL_RXENA(_ah) \
1082 	((*(_ah)->ah_enableReceive)((_ah)))
1083 #define	ATH_HAL_PUTTXBUF(_ah, _q, _bufaddr) \
1084 	((*(_ah)->ah_setTxDP)((_ah), (_q), (_bufaddr)))
1085 #define	ATH_HAL_GETTXBUF(_ah, _q) \
1086 	((*(_ah)->ah_getTxDP)((_ah), (_q)))
1087 #define	ATH_HAL_GETRXBUF(_ah) \
1088 	((*(_ah)->ah_getRxDP)((_ah)))
1089 #define	ATH_HAL_TXSTART(_ah, _q) \
1090 	((*(_ah)->ah_startTxDma)((_ah), (_q)))
1091 #define	ATH_HAL_SETCHANNEL(_ah, _chan) \
1092 	((*(_ah)->ah_setChannel)((_ah), (_chan)))
1093 #define	ATH_HAL_CALIBRATE(_ah, _chan, _iqcal) \
1094 	((*(_ah)->ah_perCalibration)((_ah), (_chan), (_iqcal)))
1095 #define	ATH_HAL_SETLEDSTATE(_ah, _state) \
1096 	((*(_ah)->ah_setLedState)((_ah), (_state)))
1097 #define	ATH_HAL_BEACONINIT(_ah, _nextb, _bperiod) \
1098 	((*(_ah)->ah_beaconInit)((_ah), (_nextb), (_bperiod)))
1099 #define	ATH_HAL_BEACONRESET(_ah) \
1100 	((*(_ah)->ah_resetStationBeaconTimers)((_ah)))
1101 #define	ATH_HAL_BEACONTIMERS(_ah, _beacon_state) \
1102 	((*(_ah)->ah_setStationBeaconTimers)((_ah), (_beacon_state)))
1103 #define	ATH_HAL_SETASSOCID(_ah, _bss, _associd) \
1104 	((*(_ah)->ah_writeAssocid)((_ah), (_bss), (_associd)))
1105 #define	ATH_HAL_SETOPMODE(_ah) \
1106 	((*(_ah)->ah_setPCUConfig)((_ah)))
1107 #define	ATH_HAL_STOPTXDMA(_ah, _qnum) \
1108 	((*(_ah)->ah_stopTxDma)((_ah), (_qnum)))
1109 #define	ATH_HAL_STOPPCURECV(_ah) \
1110 	((*(_ah)->ah_stopPcuReceive)((_ah)))
1111 #define	ATH_HAL_STARTPCURECV(_ah) \
1112 	((*(_ah)->ah_startPcuReceive)((_ah)))
1113 #define	ATH_HAL_STOPDMARECV(_ah) \
1114 	((*(_ah)->ah_stopDmaReceive)((_ah)))
1115 #define	ATH_HAL_DUMPSTATE(_ah) \
1116 	((*(_ah)->ah_dumpState)((_ah)))
1117 #define	ATH_HAL_DUMPEEPROM(_ah) \
1118 	((*(_ah)->ah_dumpEeprom)((_ah)))
1119 #define	ATH_HAL_DUMPRFGAIN(_ah) \
1120 	((*(_ah)->ah_dumpRfGain)((_ah)))
1121 #define	ATH_HAL_DUMPANI(_ah) \
1122 	((*(_ah)->ah_dumpAni)((_ah)))
1123 #define	ATH_HAL_SETUPTXQUEUE(_ah, _type, _irq) \
1124 	((*(_ah)->ah_setupTxQueue)((_ah), (_type), (_irq)))
1125 #define	ATH_HAL_RESETTXQUEUE(_ah, _q) \
1126 	((*(_ah)->ah_resetTxQueue)((_ah), (_q)))
1127 #define	ATH_HAL_RELEASETXQUEUE(_ah, _q) \
1128 	((*(_ah)->ah_releaseTxQueue)((_ah), (_q)))
1129 #define	ATH_HAL_HASVEOL \
1130 	((*(_ah)->ah_hasVEOL)((_ah)))
1131 #define	ATH_HAL_GETRFGAIN(_ah) \
1132 	((*(_ah)->ah_getRfGain)((_ah)))
1133 #define	ATH_HAL_RXMONITOR(_ah, _arg, _chan) \
1134 	((*(_ah)->ah_rxMonitor)((_ah), (_arg), (_chan)))
1135 #define	ATH_HAL_SETSLOTTIME(_ah, _us) \
1136 	((*(_ah)->ah_setSlotTime)((_ah), (_us)))
1137 #define	ATH_HAL_SETUPBEACONDESC(_ah, _ds, _opmode, _flen, _hlen, \
1138 		_rate, _antmode) \
1139 	((*(_ah)->ah_setupBeaconDesc)((_ah), (_ds), (_opmode), \
1140 		(_flen), (_hlen), (_rate), (_antmode)))
1141 #define	ATH_HAL_SETUPRXDESC(_ah, _ds, _size, _intreq) \
1142 	((*(_ah)->ah_setupRxDesc)((_ah), (_ds), (_size), (_intreq)))
1143 #define	ATH_HAL_RXPROCDESC(_ah, _ds, _dspa, _dsnext) \
1144 	((*(_ah)->ah_procRxDesc)((_ah), (_ds), (_dspa), (_dsnext), 0))
1145 #define	ATH_HAL_SETUPTXDESC(_ah, _ds, _plen, _hlen, _atype, _txpow, \
1146 		_txr0, _txtr0, _keyix, _ant, _flags, \
1147 		_rtsrate, _rtsdura) \
1148 	((*(_ah)->ah_setupTxDesc)((_ah), (_ds), (_plen), (_hlen), (_atype), \
1149 		(_txpow), (_txr0), (_txtr0), (_keyix), (_ant), \
1150 		(_flags), (_rtsrate), (_rtsdura), 0, 0, 0))
1151 #define	ATH_HAL_SETUPXTXDESC(_ah, _ds, \
1152 		_txr1, _txtr1, _txr2, _txtr2, _txr3, _txtr3) \
1153 	((*(_ah)->ah_setupXTxDesc)((_ah), (_ds), \
1154 		(_txr1), (_txtr1), (_txr2), (_txtr2), (_txr3), (_txtr3)))
1155 #define	ATH_HAL_FILLTXDESC(_ah, _ds, _l, _first, _last, _ath_desc) \
1156 	((*(_ah)->ah_fillTxDesc)((_ah), (_ds), (_l), (_first), (_last), \
1157 	(_ath_desc)))
1158 #define	ATH_HAL_TXPROCDESC(_ah, _ds) \
1159 	((*(_ah)->ah_procTxDesc)((_ah), (_ds)))
1160 #define	ATH_HAL_CIPHERSUPPORTED(_ah, _cipher) \
1161 	(ATH_HAL_GETCAPABILITY(_ah, HAL_CAP_CIPHER, _cipher, NULL) == HAL_OK)
1162 #define	ATH_HAL_TKIPSPLIT(_ah) \
1163 	(ATH_HAL_GETCAPABILITY(_ah, HAL_CAP_TKIP_SPLIT, 0, NULL) == HAL_OK)
1164 #define	ATH_HAL_HASRFSILENT(ah) \
1165 	(ATH_HAL_GETCAPABILITY(_ah, HAL_CAP_RFSILENT, 0, NULL) == HAL_OK)
1166 #define	ATH_HAL_GETRFKILL(_ah) \
1167 	(ATH_HAL_GETCAPABILITY(_ah, HAL_CAP_RFSILENT, 1, NULL) == HAL_OK)
1168 #define	ATH_HAL_SETRFKILL(_ah, _onoff) \
1169 	(ATH_HAL_SETCAPABILITY(_ah, HAL_CAP_RFSILENT, 1, _onoff, NULL))
1170 #define	ATH_HAL_GETRFSILENT(_ah, _prfsilent) \
1171 	(ATH_HAL_GETCAPABILITY(_ah, HAL_CAP_RFSILENT, 2, _prfsilent) == HAL_OK)
1172 #define	ATH_HAL_SETRFSILENT(_ah, _rfsilent) \
1173 	(ATH_HAL_SETCAPABILITY(_ah, HAL_CAP_RFSILENT, 2, _rfsilent, NULL))
1174 
1175 #if HAL_ABI_VERSION < 0x05120700
1176 #define	ATH_HAL_PROCESS_NOISEFLOOR(_ah)
1177 #define	ATH_HAL_GETCHANNOISE(_ah, _c)	(-96)
1178 #define	HAL_CAP_TPC_ACK	100
1179 #define	HAL_CAP_TPC_CTS	101
1180 #else
1181 #define	ATH_HAL_GETCHANNOISE(_ah, _c)	\
1182 	((*(_ah)->ah_getChanNoise)((_ah), (_c)))
1183 #endif
1184 
1185 #if HAL_ABI_VERSION < 0x05122200
1186 #define	HAL_TXQ_TXOKINT_ENABLE	TXQ_FLAG_TXOKINT_ENABLE
1187 #define	HAL_TXQ_TXERRINT_ENABLE	TXQ_FLAG_TXERRINT_ENABLE
1188 #define	HAL_TXQ_TXDESCINT_ENABLE	TXQ_FLAG_TXDESCINT_ENABLE
1189 #define	HAL_TXQ_TXEOLINT_ENABLE	TXQ_FLAG_TXEOLINT_ENABLE
1190 #define	HAL_TXQ_TXURNINT_ENABLE	TXQ_FLAG_TXURNINT_ENABLE
1191 #endif
1192 
1193 #ifdef __cplusplus
1194 }
1195 #endif
1196 
1197 #endif /* _ATH_HAL_H */
1198