ah.h revision 225444
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: head/sys/dev/ath/ath_hal/ah.h 225444 2011-09-08 01:23:05Z adrian $
18 */
19
20#ifndef _ATH_AH_H_
21#define _ATH_AH_H_
22/*
23 * Atheros Hardware Access Layer
24 *
25 * Clients of the HAL call ath_hal_attach to obtain a reference to an ath_hal
26 * structure for use with the device.  Hardware-related operations that
27 * follow must call back into the HAL through interface, supplying the
28 * reference as the first parameter.
29 */
30
31#include "ah_osdep.h"
32
33/*
34 * The maximum number of TX/RX chains supported.
35 * This is intended to be used by various statistics gathering operations
36 * (NF, RSSI, EVM).
37 */
38#define	AH_MIMO_MAX_CHAINS		3
39#define	AH_MIMO_MAX_EVM_PILOTS		6
40
41/*
42 * __ahdecl is analogous to _cdecl; it defines the calling
43 * convention used within the HAL.  For most systems this
44 * can just default to be empty and the compiler will (should)
45 * use _cdecl.  For systems where _cdecl is not compatible this
46 * must be defined.  See linux/ah_osdep.h for an example.
47 */
48#ifndef __ahdecl
49#define __ahdecl
50#endif
51
52/*
53 * Status codes that may be returned by the HAL.  Note that
54 * interfaces that return a status code set it only when an
55 * error occurs--i.e. you cannot check it for success.
56 */
57typedef enum {
58	HAL_OK		= 0,	/* No error */
59	HAL_ENXIO	= 1,	/* No hardware present */
60	HAL_ENOMEM	= 2,	/* Memory allocation failed */
61	HAL_EIO		= 3,	/* Hardware didn't respond as expected */
62	HAL_EEMAGIC	= 4,	/* EEPROM magic number invalid */
63	HAL_EEVERSION	= 5,	/* EEPROM version invalid */
64	HAL_EELOCKED	= 6,	/* EEPROM unreadable */
65	HAL_EEBADSUM	= 7,	/* EEPROM checksum invalid */
66	HAL_EEREAD	= 8,	/* EEPROM read problem */
67	HAL_EEBADMAC	= 9,	/* EEPROM mac address invalid */
68	HAL_EESIZE	= 10,	/* EEPROM size not supported */
69	HAL_EEWRITE	= 11,	/* Attempt to change write-locked EEPROM */
70	HAL_EINVAL	= 12,	/* Invalid parameter to function */
71	HAL_ENOTSUPP	= 13,	/* Hardware revision not supported */
72	HAL_ESELFTEST	= 14,	/* Hardware self-test failed */
73	HAL_EINPROGRESS	= 15,	/* Operation incomplete */
74	HAL_EEBADREG	= 16,	/* EEPROM invalid regulatory contents */
75	HAL_EEBADCC	= 17,	/* EEPROM invalid country code */
76} HAL_STATUS;
77
78typedef enum {
79	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
80	AH_TRUE  = 1,
81} HAL_BOOL;
82
83typedef enum {
84	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
85	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
86	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
87	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
88	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
89	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
90	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
91	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
92	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
93	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll support */
94	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
95	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
96	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
97	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
98	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
99	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
100	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
101	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
102	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
103	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
104	/* 21 was HAL_CAP_XR */
105	HAL_CAP_WME_TKIPMIC 	= 22,   /* hardware can support TKIP MIC when WMM is turned on */
106	/* 23 was HAL_CAP_CHAN_HALFRATE */
107	/* 24 was HAL_CAP_CHAN_QUARTERRATE */
108	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
109	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
110	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
111	HAL_CAP_11D		= 28,   /* 11d beacon support for changing cc */
112
113	HAL_CAP_HT		= 30,   /* hardware can support HT */
114	HAL_CAP_GTXTO		= 31,	/* hardware supports global tx timeout */
115	HAL_CAP_FAST_CC		= 32,	/* hardware supports fast channel change */
116	HAL_CAP_TX_CHAINMASK	= 33,	/* mask of TX chains supported */
117	HAL_CAP_RX_CHAINMASK	= 34,	/* mask of RX chains supported */
118	HAL_CAP_NUM_GPIO_PINS	= 36,	/* number of GPIO pins */
119
120	HAL_CAP_CST		= 38,	/* hardware supports carrier sense timeout */
121
122	HAL_CAP_RTS_AGGR_LIMIT	= 42,	/* aggregation limit with RTS */
123	HAL_CAP_4ADDR_AGGR	= 43,	/* hardware is capable of 4addr aggregation */
124	HAL_CAP_DFS_DMN		= 44,	/* current DFS domain */
125	HAL_CAP_EXT_CHAN_DFS	= 45,	/* DFS support for extension channel */
126	HAL_CAP_COMBINED_RADAR_RSSI	= 46,	/* Is combined RSSI for radar accurate */
127
128	HAL_CAP_AUTO_SLEEP	= 48,	/* hardware can go to network sleep
129					   automatically after waking up to receive TIM */
130	HAL_CAP_MBSSID_AGGR_SUPPORT	= 49, /* Support for mBSSID Aggregation */
131	HAL_CAP_SPLIT_4KB_TRANS	= 50,	/* hardware supports descriptors straddling a 4k page boundary */
132	HAL_CAP_REG_FLAG	= 51,	/* Regulatory domain flags */
133
134	HAL_CAP_BT_COEX		= 60,	/* hardware is capable of bluetooth coexistence */
135
136	HAL_CAP_HT20_SGI	= 96,	/* hardware supports HT20 short GI */
137
138	HAL_CAP_RXTSTAMP_PREC	= 100,	/* rx desc tstamp precision (bits) */
139	HAL_CAP_ENHANCED_DFS_SUPPORT	= 117,	/* hardware supports enhanced DFS */
140
141	/* The following are private to the FreeBSD HAL (224 onward) */
142
143	HAL_CAP_INTMIT		= 229,	/* interference mitigation */
144	HAL_CAP_RXORN_FATAL	= 230,	/* HAL_INT_RXORN treated as fatal */
145	HAL_CAP_BB_HANG		= 235,	/* can baseband hang */
146	HAL_CAP_MAC_HANG	= 236,	/* can MAC hang */
147	HAL_CAP_INTRMASK	= 237,	/* bitmask of supported interrupts */
148	HAL_CAP_BSSIDMATCH	= 238,	/* hardware has disable bssid match */
149	HAL_CAP_STREAMS		= 239,	/* how many 802.11n spatial streams are available */
150	HAL_CAP_RXDESC_SELFLINK	= 242,	/* support a self-linked tail RX descriptor */
151	HAL_CAP_LONG_RXDESC_TSF	= 243,	/* hardware supports 32bit TSF in RX descriptor */
152} HAL_CAPABILITY_TYPE;
153
154/*
155 * "States" for setting the LED.  These correspond to
156 * the possible 802.11 operational states and there may
157 * be a many-to-one mapping between these states and the
158 * actual hardware state for the LED's (i.e. the hardware
159 * may have fewer states).
160 */
161typedef enum {
162	HAL_LED_INIT	= 0,
163	HAL_LED_SCAN	= 1,
164	HAL_LED_AUTH	= 2,
165	HAL_LED_ASSOC	= 3,
166	HAL_LED_RUN	= 4
167} HAL_LED_STATE;
168
169/*
170 * Transmit queue types/numbers.  These are used to tag
171 * each transmit queue in the hardware and to identify a set
172 * of transmit queues for operations such as start/stop dma.
173 */
174typedef enum {
175	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
176	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
177	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
178	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
179	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
180	HAL_TX_QUEUE_PSPOLL	= 5,		/* power save poll xmit q */
181} HAL_TX_QUEUE;
182
183#define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
184
185/*
186 * Transmit queue subtype.  These map directly to
187 * WME Access Categories (except for UPSD).  Refer
188 * to Table 5 of the WME spec.
189 */
190typedef enum {
191	HAL_WME_AC_BK	= 0,			/* background access category */
192	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
193	HAL_WME_AC_VI	= 2,			/* video access category */
194	HAL_WME_AC_VO	= 3,			/* voice access category */
195	HAL_WME_UPSD	= 4,			/* uplink power save */
196} HAL_TX_QUEUE_SUBTYPE;
197
198/*
199 * Transmit queue flags that control various
200 * operational parameters.
201 */
202typedef enum {
203	/*
204	 * Per queue interrupt enables.  When set the associated
205	 * interrupt may be delivered for packets sent through
206	 * the queue.  Without these enabled no interrupts will
207	 * be delivered for transmits through the queue.
208	 */
209	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
210	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
211	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
212	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
213	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
214	/*
215	 * Enable hardware compression for packets sent through
216	 * the queue.  The compression buffer must be setup and
217	 * packets must have a key entry marked in the tx descriptor.
218	 */
219	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
220	/*
221	 * Disable queue when veol is hit or ready time expires.
222	 * By default the queue is disabled only on reaching the
223	 * physical end of queue (i.e. a null link ptr in the
224	 * descriptor chain).
225	 */
226	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
227	/*
228	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
229	 * event.  Frames will be transmitted only when this timer
230	 * fires, e.g to transmit a beacon in ap or adhoc modes.
231	 */
232	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
233	/*
234	 * Each transmit queue has a counter that is incremented
235	 * each time the queue is enabled and decremented when
236	 * the list of frames to transmit is traversed (or when
237	 * the ready time for the queue expires).  This counter
238	 * must be non-zero for frames to be scheduled for
239	 * transmission.  The following controls disable bumping
240	 * this counter under certain conditions.  Typically this
241	 * is used to gate frames based on the contents of another
242	 * queue (e.g. CAB traffic may only follow a beacon frame).
243	 * These are meaningful only when frames are scheduled
244	 * with a non-ASAP policy (e.g. DBA-gated).
245	 */
246	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
247	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
248
249	/*
250	 * Fragment burst backoff policy.  Normally the no backoff
251	 * is done after a successful transmission, the next fragment
252	 * is sent at SIFS.  If this flag is set backoff is done
253	 * after each fragment, regardless whether it was ack'd or
254	 * not, after the backoff count reaches zero a normal channel
255	 * access procedure is done before the next transmit (i.e.
256	 * wait AIFS instead of SIFS).
257	 */
258	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
259	/*
260	 * Disable post-tx backoff following each frame.
261	 */
262	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
263	/*
264	 * DCU arbiter lockout control.  This controls how
265	 * lower priority tx queues are handled with respect to
266	 * to a specific queue when multiple queues have frames
267	 * to send.  No lockout means lower priority queues arbitrate
268	 * concurrently with this queue.  Intra-frame lockout
269	 * means lower priority queues are locked out until the
270	 * current frame transmits (e.g. including backoffs and bursting).
271	 * Global lockout means nothing lower can arbitrary so
272	 * long as there is traffic activity on this queue (frames,
273	 * backoff, etc).
274	 */
275	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
276	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
277
278	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
279	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
280} HAL_TX_QUEUE_FLAGS;
281
282typedef struct {
283	uint32_t	tqi_ver;		/* hal TXQ version */
284	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
285	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
286	uint32_t	tqi_priority;		/* (not used) */
287	uint32_t	tqi_aifs;		/* aifs */
288	uint32_t	tqi_cwmin;		/* cwMin */
289	uint32_t	tqi_cwmax;		/* cwMax */
290	uint16_t	tqi_shretry;		/* rts retry limit */
291	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
292	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
293	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
294	uint32_t	tqi_burstTime;		/* max burst duration (us) */
295	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
296	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
297} HAL_TXQ_INFO;
298
299#define HAL_TQI_NONVAL 0xffff
300
301/* token to use for aifs, cwmin, cwmax */
302#define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
303
304/* compression definitions */
305#define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
306#define HAL_COMP_BUF_ALIGN_SIZE         512
307
308/*
309 * Transmit packet types.  This belongs in ah_desc.h, but
310 * is here so we can give a proper type to various parameters
311 * (and not require everyone include the file).
312 *
313 * NB: These values are intentionally assigned for
314 *     direct use when setting up h/w descriptors.
315 */
316typedef enum {
317	HAL_PKT_TYPE_NORMAL	= 0,
318	HAL_PKT_TYPE_ATIM	= 1,
319	HAL_PKT_TYPE_PSPOLL	= 2,
320	HAL_PKT_TYPE_BEACON	= 3,
321	HAL_PKT_TYPE_PROBE_RESP	= 4,
322	HAL_PKT_TYPE_CHIRP	= 5,
323	HAL_PKT_TYPE_GRP_POLL	= 6,
324	HAL_PKT_TYPE_AMPDU	= 7,
325} HAL_PKT_TYPE;
326
327/* Rx Filter Frame Types */
328typedef enum {
329	/*
330	 * These bits correspond to AR_RX_FILTER for all chips.
331	 * Not all bits are supported by all chips.
332	 */
333	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
334	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
335	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
336	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
337	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
338	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
339	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
340	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
341	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
342	HAL_RX_FILTER_COMP_BA	= 0x00000800,	/* Allow compressed blockack */
343	HAL_RX_FILTER_PHYRADAR	= 0x00002000,	/* Allow phy radar errors */
344	HAL_RX_FILTER_PSPOLL	= 0x00004000,	/* Allow PS-POLL frames */
345	HAL_RX_FILTER_MCAST_BCAST_ALL	= 0x00008000,
346						/* Allow all mcast/bcast frames */
347
348	/*
349	 * Magic RX filter flags that aren't targetting hardware bits
350	 * but instead the HAL sets individual bits - eg PHYERR will result
351	 * in OFDM/CCK timing error frames being received.
352	 */
353	HAL_RX_FILTER_BSSID	= 0x40000000,	/* Disable BSSID match */
354} HAL_RX_FILTER;
355
356typedef enum {
357	HAL_PM_AWAKE		= 0,
358	HAL_PM_FULL_SLEEP	= 1,
359	HAL_PM_NETWORK_SLEEP	= 2,
360	HAL_PM_UNDEFINED	= 3
361} HAL_POWER_MODE;
362
363/*
364 * NOTE WELL:
365 * These are mapped to take advantage of the common locations for many of
366 * the bits on all of the currently supported MAC chips. This is to make
367 * the ISR as efficient as possible, while still abstracting HW differences.
368 * When new hardware breaks this commonality this enumerated type, as well
369 * as the HAL functions using it, must be modified. All values are directly
370 * mapped unless commented otherwise.
371 */
372typedef enum {
373	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
374	HAL_INT_RXDESC	= 0x00000002,
375	HAL_INT_RXNOFRM	= 0x00000008,
376	HAL_INT_RXEOL	= 0x00000010,
377	HAL_INT_RXORN	= 0x00000020,
378	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
379	HAL_INT_TXDESC	= 0x00000080,
380	HAL_INT_TIM_TIMER= 0x00000100,
381	HAL_INT_TXURN	= 0x00000800,
382	HAL_INT_MIB	= 0x00001000,
383	HAL_INT_RXPHY	= 0x00004000,
384	HAL_INT_RXKCM	= 0x00008000,
385	HAL_INT_SWBA	= 0x00010000,
386	HAL_INT_BMISS	= 0x00040000,
387	HAL_INT_BNR	= 0x00100000,
388	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
389	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
390	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
391	HAL_INT_GPIO	= 0x01000000,
392	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
393	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
394	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
395	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
396	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
397	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
398#define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
399	HAL_INT_BMISC	= HAL_INT_TIM
400			| HAL_INT_DTIM
401			| HAL_INT_DTIMSYNC
402			| HAL_INT_CABEND
403			| HAL_INT_TBTT,
404
405	/* Interrupt bits that map directly to ISR/IMR bits */
406	HAL_INT_COMMON  = HAL_INT_RXNOFRM
407			| HAL_INT_RXDESC
408			| HAL_INT_RXEOL
409			| HAL_INT_RXORN
410			| HAL_INT_TXDESC
411			| HAL_INT_TXURN
412			| HAL_INT_MIB
413			| HAL_INT_RXPHY
414			| HAL_INT_RXKCM
415			| HAL_INT_SWBA
416			| HAL_INT_BMISS
417			| HAL_INT_BNR
418			| HAL_INT_GPIO,
419} HAL_INT;
420
421typedef enum {
422	HAL_GPIO_MUX_OUTPUT		= 0,
423	HAL_GPIO_MUX_PCIE_ATTENTION_LED	= 1,
424	HAL_GPIO_MUX_PCIE_POWER_LED	= 2,
425	HAL_GPIO_MUX_TX_FRAME		= 3,
426	HAL_GPIO_MUX_RX_CLEAR_EXTERNAL	= 4,
427	HAL_GPIO_MUX_MAC_NETWORK_LED	= 5,
428	HAL_GPIO_MUX_MAC_POWER_LED	= 6
429} HAL_GPIO_MUX_TYPE;
430
431typedef enum {
432	HAL_GPIO_INTR_LOW		= 0,
433	HAL_GPIO_INTR_HIGH		= 1,
434	HAL_GPIO_INTR_DISABLE		= 2
435} HAL_GPIO_INTR_TYPE;
436
437typedef enum {
438	HAL_RFGAIN_INACTIVE		= 0,
439	HAL_RFGAIN_READ_REQUESTED	= 1,
440	HAL_RFGAIN_NEED_CHANGE		= 2
441} HAL_RFGAIN;
442
443typedef uint16_t HAL_CTRY_CODE;		/* country code */
444typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
445
446#define HAL_ANTENNA_MIN_MODE  0
447#define HAL_ANTENNA_FIXED_A   1
448#define HAL_ANTENNA_FIXED_B   2
449#define HAL_ANTENNA_MAX_MODE  3
450
451typedef struct {
452	uint32_t	ackrcv_bad;
453	uint32_t	rts_bad;
454	uint32_t	rts_good;
455	uint32_t	fcs_bad;
456	uint32_t	beacons;
457} HAL_MIB_STATS;
458
459enum {
460	HAL_MODE_11A	= 0x001,		/* 11a channels */
461	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
462	HAL_MODE_11B	= 0x004,		/* 11b channels */
463	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
464#ifdef notdef
465	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
466#else
467	HAL_MODE_11G	= 0x008,		/* XXX historical */
468#endif
469	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
470	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
471	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
472	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
473	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
474	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
475	HAL_MODE_11NG_HT20	= 0x008000,
476	HAL_MODE_11NA_HT20  	= 0x010000,
477	HAL_MODE_11NG_HT40PLUS	= 0x020000,
478	HAL_MODE_11NG_HT40MINUS	= 0x040000,
479	HAL_MODE_11NA_HT40PLUS	= 0x080000,
480	HAL_MODE_11NA_HT40MINUS	= 0x100000,
481	HAL_MODE_ALL	= 0xffffff
482};
483
484typedef struct {
485	int		rateCount;		/* NB: for proper padding */
486	uint8_t		rateCodeToIndex[144];	/* back mapping */
487	struct {
488		uint8_t		valid;		/* valid for rate control use */
489		uint8_t		phy;		/* CCK/OFDM/XR */
490		uint32_t	rateKbps;	/* transfer rate in kbs */
491		uint8_t		rateCode;	/* rate for h/w descriptors */
492		uint8_t		shortPreamble;	/* mask for enabling short
493						 * preamble in CCK rate code */
494		uint8_t		dot11Rate;	/* value for supported rates
495						 * info element of MLME */
496		uint8_t		controlRate;	/* index of next lower basic
497						 * rate; used for dur. calcs */
498		uint16_t	lpAckDuration;	/* long preamble ACK duration */
499		uint16_t	spAckDuration;	/* short preamble ACK duration*/
500	} info[32];
501} HAL_RATE_TABLE;
502
503typedef struct {
504	u_int		rs_count;		/* number of valid entries */
505	uint8_t	rs_rates[32];		/* rates */
506} HAL_RATE_SET;
507
508/*
509 * 802.11n specific structures and enums
510 */
511typedef enum {
512	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
513	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
514} HAL_CHAIN_TYPE;
515
516typedef struct {
517	u_int	Tries;
518	u_int	Rate;
519	u_int	PktDuration;
520	u_int	ChSel;
521	u_int	RateFlags;
522#define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
523#define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
524#define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
525} HAL_11N_RATE_SERIES;
526
527typedef enum {
528	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
529	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
530} HAL_HT_MACMODE;
531
532typedef enum {
533	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
534	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
535} HAL_HT_PHYMODE;
536
537typedef enum {
538	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
539	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
540} HAL_HT_EXTPROTSPACING;
541
542
543typedef enum {
544	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
545	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
546} HAL_HT_RXCLEAR;
547
548/*
549 * Antenna switch control.  By default antenna selection
550 * enables multiple (2) antenna use.  To force use of the
551 * A or B antenna only specify a fixed setting.  Fixing
552 * the antenna will also disable any diversity support.
553 */
554typedef enum {
555	HAL_ANT_VARIABLE = 0,			/* variable by programming */
556	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
557	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
558} HAL_ANT_SETTING;
559
560typedef enum {
561	HAL_M_STA	= 1,			/* infrastructure station */
562	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
563	HAL_M_HOSTAP	= 6,			/* Software Access Point */
564	HAL_M_MONITOR	= 8			/* Monitor mode */
565} HAL_OPMODE;
566
567typedef struct {
568	uint8_t		kv_type;		/* one of HAL_CIPHER */
569	uint8_t		kv_pad;
570	uint16_t	kv_len;			/* length in bits */
571	uint8_t		kv_val[16];		/* enough for 128-bit keys */
572	uint8_t		kv_mic[8];		/* TKIP MIC key */
573	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
574} HAL_KEYVAL;
575
576typedef enum {
577	HAL_CIPHER_WEP		= 0,
578	HAL_CIPHER_AES_OCB	= 1,
579	HAL_CIPHER_AES_CCM	= 2,
580	HAL_CIPHER_CKIP		= 3,
581	HAL_CIPHER_TKIP		= 4,
582	HAL_CIPHER_CLR		= 5,		/* no encryption */
583
584	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
585} HAL_CIPHER;
586
587enum {
588	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
589	HAL_SLOT_TIME_9	 = 9,
590	HAL_SLOT_TIME_20 = 20,
591};
592
593/*
594 * Per-station beacon timer state.  Note that the specified
595 * beacon interval (given in TU's) can also include flags
596 * to force a TSF reset and to enable the beacon xmit logic.
597 * If bs_cfpmaxduration is non-zero the hardware is setup to
598 * coexist with a PCF-capable AP.
599 */
600typedef struct {
601	uint32_t	bs_nexttbtt;		/* next beacon in TU */
602	uint32_t	bs_nextdtim;		/* next DTIM in TU */
603	uint32_t	bs_intval;		/* beacon interval+flags */
604#define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
605#define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
606#define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
607	uint32_t	bs_dtimperiod;
608	uint16_t	bs_cfpperiod;		/* CFP period in TU */
609	uint16_t	bs_cfpmaxduration;	/* max CFP duration in TU */
610	uint32_t	bs_cfpnext;		/* next CFP in TU */
611	uint16_t	bs_timoffset;		/* byte offset to TIM bitmap */
612	uint16_t	bs_bmissthreshold;	/* beacon miss threshold */
613	uint32_t	bs_sleepduration;	/* max sleep duration */
614} HAL_BEACON_STATE;
615
616/*
617 * Like HAL_BEACON_STATE but for non-station mode setup.
618 * NB: see above flag definitions for bt_intval.
619 */
620typedef struct {
621	uint32_t	bt_intval;		/* beacon interval+flags */
622	uint32_t	bt_nexttbtt;		/* next beacon in TU */
623	uint32_t	bt_nextatim;		/* next ATIM in TU */
624	uint32_t	bt_nextdba;		/* next DBA in 1/8th TU */
625	uint32_t	bt_nextswba;		/* next SWBA in 1/8th TU */
626	uint32_t	bt_flags;		/* timer enables */
627#define HAL_BEACON_TBTT_EN	0x00000001
628#define HAL_BEACON_DBA_EN	0x00000002
629#define HAL_BEACON_SWBA_EN	0x00000004
630} HAL_BEACON_TIMERS;
631
632/*
633 * Per-node statistics maintained by the driver for use in
634 * optimizing signal quality and other operational aspects.
635 */
636typedef struct {
637	uint32_t	ns_avgbrssi;	/* average beacon rssi */
638	uint32_t	ns_avgrssi;	/* average data rssi */
639	uint32_t	ns_avgtxrssi;	/* average tx rssi */
640} HAL_NODE_STATS;
641
642#define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
643
644struct ath_desc;
645struct ath_tx_status;
646struct ath_rx_status;
647struct ieee80211_channel;
648
649/*
650 * This is a channel survey sample entry.
651 *
652 * The AR5212 ANI routines fill these samples. The ANI code then uses it
653 * when calculating listen time; it is also exported via a diagnostic
654 * API.
655 */
656typedef struct {
657	uint32_t        seq_num;
658	uint32_t        tx_busy;
659	uint32_t        rx_busy;
660	uint32_t        chan_busy;
661	uint32_t        cycle_count;
662} HAL_SURVEY_SAMPLE;
663
664/*
665 * This provides 3.2 seconds of sample space given an
666 * ANI time of 1/10th of a second. This may not be enough!
667 */
668#define	CHANNEL_SURVEY_SAMPLE_COUNT	32
669
670typedef struct {
671	HAL_SURVEY_SAMPLE samples[CHANNEL_SURVEY_SAMPLE_COUNT];
672	uint32_t cur_sample;	/* current sample in sequence */
673	uint32_t cur_seq;	/* current sequence number */
674} HAL_CHANNEL_SURVEY;
675
676/*
677 * ANI commands.
678 *
679 * These are used both internally and externally via the diagnostic
680 * API.
681 *
682 * Note that this is NOT the ANI commands being used via the INTMIT
683 * capability - that has a different mapping for some reason.
684 */
685typedef enum {
686	HAL_ANI_PRESENT = 0,			/* is ANI support present */
687	HAL_ANI_NOISE_IMMUNITY_LEVEL = 1,	/* set level */
688	HAL_ANI_OFDM_WEAK_SIGNAL_DETECTION = 2,	/* enable/disable */
689	HAL_ANI_CCK_WEAK_SIGNAL_THR = 3,	/* enable/disable */
690	HAL_ANI_FIRSTEP_LEVEL = 4,		/* set level */
691	HAL_ANI_SPUR_IMMUNITY_LEVEL = 5,	/* set level */
692	HAL_ANI_MODE = 6,			/* 0 => manual, 1 => auto (XXX do not change) */
693	HAL_ANI_PHYERR_RESET = 7,		/* reset phy error stats */
694} HAL_ANI_CMD;
695
696/*
697 * This is the layout of the ANI INTMIT capability.
698 *
699 * Notice that the command values differ to HAL_ANI_CMD.
700 */
701typedef enum {
702	HAL_CAP_INTMIT_PRESENT = 0,
703	HAL_CAP_INTMIT_ENABLE = 1,
704	HAL_CAP_INTMIT_NOISE_IMMUNITY_LEVEL = 2,
705	HAL_CAP_INTMIT_OFDM_WEAK_SIGNAL_LEVEL = 3,
706	HAL_CAP_INTMIT_CCK_WEAK_SIGNAL_THR = 4,
707	HAL_CAP_INTMIT_FIRSTEP_LEVEL = 5,
708	HAL_CAP_INTMIT_SPUR_IMMUNITY_LEVEL = 6
709} HAL_CAP_INTMIT_CMD;
710
711typedef struct {
712	int32_t		pe_firpwr;	/* FIR pwr out threshold */
713	int32_t		pe_rrssi;	/* Radar rssi thresh */
714	int32_t		pe_height;	/* Pulse height thresh */
715	int32_t		pe_prssi;	/* Pulse rssi thresh */
716	int32_t		pe_inband;	/* Inband thresh */
717
718	/* The following params are only for AR5413 and later */
719	u_int32_t	pe_relpwr;	/* Relative power threshold in 0.5dB steps */
720	u_int32_t	pe_relstep;	/* Pulse Relative step threshold in 0.5dB steps */
721	u_int32_t	pe_maxlen;	/* Max length of radar sign in 0.8us units */
722	int32_t		pe_usefir128;	/* Use the average in-band power measured over 128 cycles */
723	int32_t		pe_blockradar;	/*
724					 * Enable to block radar check if pkt detect is done via OFDM
725					 * weak signal detect or pkt is detected immediately after tx
726					 * to rx transition
727					 */
728	int32_t		pe_enmaxrssi;	/*
729					 * Enable to use the max rssi instead of the last rssi during
730					 * fine gain changes for radar detection
731					 */
732	int32_t		pe_extchannel;	/* Enable DFS on ext channel */
733	int32_t		pe_enabled;	/* Whether radar detection is enabled */
734} HAL_PHYERR_PARAM;
735
736#define	HAL_PHYERR_PARAM_NOVAL	65535
737#define	HAL_PHYERR_PARAM_ENABLE	0x8000	/* Enable/Disable if applicable */
738
739/*
740 * DFS operating mode flags.
741 */
742typedef enum {
743	HAL_DFS_UNINIT_DOMAIN	= 0,	/* Uninitialized dfs domain */
744	HAL_DFS_FCC_DOMAIN	= 1,	/* FCC3 dfs domain */
745	HAL_DFS_ETSI_DOMAIN	= 2,	/* ETSI dfs domain */
746	HAL_DFS_MKK4_DOMAIN	= 3,	/* Japan dfs domain */
747} HAL_DFS_DOMAIN;
748
749/*
750 * Flag for setting QUIET period
751 */
752typedef enum {
753	HAL_QUIET_DISABLE		= 0x0,
754	HAL_QUIET_ENABLE		= 0x1,
755	HAL_QUIET_ADD_CURRENT_TSF	= 0x2,	/* add current TSF to next_start offset */
756	HAL_QUIET_ADD_SWBA_RESP_TIME	= 0x4,	/* add beacon response time to next_start offset */
757} HAL_QUIET_FLAG;
758
759#define	HAL_DFS_EVENT_PRICH		0x0000001
760#define	HAL_DFS_EVENT_EXTCH		0x0000002
761#define	HAL_DFS_EVENT_EXTEARLY		0x0000004
762#define	HAL_DFS_EVENT_ISDC		0x0000008
763
764struct hal_dfs_event {
765	uint64_t	re_full_ts;	/* 64-bit full timestamp from interrupt time */
766	uint32_t	re_ts;		/* Original 15 bit recv timestamp */
767	uint8_t		re_rssi;	/* rssi of radar event */
768	uint8_t		re_dur;		/* duration of radar pulse */
769	uint32_t	re_flags;	/* Flags (see above) */
770};
771typedef struct hal_dfs_event HAL_DFS_EVENT;
772
773typedef struct
774{
775	int ah_debug;			/* only used if AH_DEBUG is defined */
776	int ah_ar5416_biasadj;		/* enable AR2133 radio specific bias fiddling */
777
778	/* NB: these are deprecated; they exist for now for compatibility */
779	int ah_dma_beacon_response_time;/* in TU's */
780	int ah_sw_beacon_response_time;	/* in TU's */
781	int ah_additional_swba_backoff;	/* in TU's */
782} HAL_OPS_CONFIG;
783
784/*
785 * Hardware Access Layer (HAL) API.
786 *
787 * Clients of the HAL call ath_hal_attach to obtain a reference to an
788 * ath_hal structure for use with the device.  Hardware-related operations
789 * that follow must call back into the HAL through interface, supplying
790 * the reference as the first parameter.  Note that before using the
791 * reference returned by ath_hal_attach the caller should verify the
792 * ABI version number.
793 */
794struct ath_hal {
795	uint32_t	ah_magic;	/* consistency check magic number */
796	uint16_t	ah_devid;	/* PCI device ID */
797	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
798	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
799	HAL_BUS_TAG	ah_st;		/* params for register r+w */
800	HAL_BUS_HANDLE	ah_sh;
801	HAL_CTRY_CODE	ah_countryCode;
802
803	uint32_t	ah_macVersion;	/* MAC version id */
804	uint16_t	ah_macRev;	/* MAC revision */
805	uint16_t	ah_phyRev;	/* PHY revision */
806	/* NB: when only one radio is present the rev is in 5Ghz */
807	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
808	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
809
810	uint16_t	*ah_eepromdata;	/* eeprom buffer, if needed */
811
812	HAL_OPS_CONFIG ah_config;
813	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
814				u_int mode);
815	void	  __ahdecl(*ah_detach)(struct ath_hal*);
816
817	/* Reset functions */
818	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
819				struct ieee80211_channel *,
820				HAL_BOOL bChannelChange, HAL_STATUS *status);
821	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
822	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
823	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore);
824	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
825	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
826	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*,
827			struct ieee80211_channel *, HAL_BOOL *);
828	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *,
829			struct ieee80211_channel *, u_int chainMask,
830			HAL_BOOL longCal, HAL_BOOL *isCalDone);
831	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *,
832			const struct ieee80211_channel *);
833	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
834	    		const struct ieee80211_channel *, uint16_t *);
835	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
836	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
837	    		const struct ieee80211_channel *);
838
839	/* Transmit functions */
840	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
841				HAL_BOOL incTrigLevel);
842	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
843				const HAL_TXQ_INFO *qInfo);
844	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
845				const HAL_TXQ_INFO *qInfo);
846	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
847				HAL_TXQ_INFO *qInfo);
848	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
849	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
850	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
851	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
852	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
853	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
854	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
855	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
856				u_int pktLen, u_int hdrLen,
857				HAL_PKT_TYPE type, u_int txPower,
858				u_int txRate0, u_int txTries0,
859				u_int keyIx, u_int antMode, u_int flags,
860				u_int rtsctsRate, u_int rtsctsDuration,
861				u_int compicvLen, u_int compivLen,
862				u_int comp);
863	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
864				u_int txRate1, u_int txTries1,
865				u_int txRate2, u_int txTries2,
866				u_int txRate3, u_int txTries3);
867	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
868				u_int segLen, HAL_BOOL firstSeg,
869				HAL_BOOL lastSeg, const struct ath_desc *);
870	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
871				struct ath_desc *, struct ath_tx_status *);
872	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
873	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
874	HAL_BOOL	__ahdecl(*ah_getTxCompletionRates)(struct ath_hal *,
875				const struct ath_desc *ds, int *rates, int *tries);
876
877	/* Receive Functions */
878	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*);
879	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp);
880	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
881	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
882	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*);
883	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
884	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
885				uint32_t filter0, uint32_t filter1);
886	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
887				uint32_t index);
888	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
889				uint32_t index);
890	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
891	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
892	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
893				uint32_t size, u_int flags);
894	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
895				struct ath_desc *, uint32_t phyAddr,
896				struct ath_desc *next, uint64_t tsf,
897				struct ath_rx_status *);
898	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
899				const HAL_NODE_STATS *,
900				const struct ieee80211_channel *);
901	void      __ahdecl(*ah_aniPoll)(struct ath_hal *,
902				const struct ieee80211_channel *);
903	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
904				const HAL_NODE_STATS *);
905	void	  __ahdecl(*ah_rxAntCombDiversity)(struct ath_hal *,
906				struct ath_rx_status *,
907				unsigned long, int);
908
909	/* Misc Functions */
910	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
911				HAL_CAPABILITY_TYPE, uint32_t capability,
912				uint32_t *result);
913	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
914				HAL_CAPABILITY_TYPE, uint32_t capability,
915				uint32_t setting, HAL_STATUS *);
916	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
917				const void *args, uint32_t argsize,
918				void **result, uint32_t *resultsize);
919	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
920	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
921	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
922	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
923	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
924				uint16_t, HAL_STATUS *);
925	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
926	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
927				const uint8_t *bssid, uint16_t assocId);
928	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
929				uint32_t gpio, HAL_GPIO_MUX_TYPE);
930	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
931	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
932	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
933				uint32_t gpio, uint32_t val);
934	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
935	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
936	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
937	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
938	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
939	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
940				HAL_MIB_STATS*);
941	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
942	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
943	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
944	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
945	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
946				HAL_ANT_SETTING);
947	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
948	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
949	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
950	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
951	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
952	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
953	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
954	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
955	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
956	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
957	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
958	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
959	HAL_STATUS	__ahdecl(*ah_setQuiet)(struct ath_hal *ah, uint32_t period,
960				uint32_t duration, uint32_t nextStart,
961				HAL_QUIET_FLAG flag);
962
963	/* DFS functions */
964	void	  __ahdecl(*ah_enableDfs)(struct ath_hal *ah,
965				HAL_PHYERR_PARAM *pe);
966	void	  __ahdecl(*ah_getDfsThresh)(struct ath_hal *ah,
967				HAL_PHYERR_PARAM *pe);
968	HAL_BOOL  __ahdecl(*ah_procRadarEvent)(struct ath_hal *ah,
969				struct ath_rx_status *rxs, uint64_t fulltsf,
970				const char *buf, HAL_DFS_EVENT *event);
971	HAL_BOOL  __ahdecl(*ah_isFastClockEnabled)(struct ath_hal *ah);
972
973	/* Key Cache Functions */
974	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
975	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
976	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
977				uint16_t);
978	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
979				uint16_t, const HAL_KEYVAL *,
980				const uint8_t *, int);
981	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
982				uint16_t, const uint8_t *);
983
984	/* Power Management Functions */
985	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
986				HAL_POWER_MODE mode, int setChip);
987	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
988	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *,
989				const struct ieee80211_channel *);
990
991	/* Beacon Management Functions */
992	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
993				const HAL_BEACON_TIMERS *);
994	/* NB: deprecated, use ah_setBeaconTimers instead */
995	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
996				uint32_t nexttbtt, uint32_t intval);
997	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
998				const HAL_BEACON_STATE *);
999	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
1000	uint64_t  __ahdecl(*ah_getNextTBTT)(struct ath_hal *);
1001
1002	/* 802.11n Functions */
1003	HAL_BOOL  __ahdecl(*ah_chainTxDesc)(struct ath_hal *,
1004				struct ath_desc *, u_int, u_int, HAL_PKT_TYPE,
1005				u_int, HAL_CIPHER, uint8_t, u_int, HAL_BOOL,
1006				HAL_BOOL);
1007	HAL_BOOL  __ahdecl(*ah_setupFirstTxDesc)(struct ath_hal *,
1008				struct ath_desc *, u_int, u_int, u_int,
1009				u_int, u_int, u_int, u_int, u_int);
1010	HAL_BOOL  __ahdecl(*ah_setupLastTxDesc)(struct ath_hal *,
1011				struct ath_desc *, const struct ath_desc *);
1012	void	  __ahdecl(*ah_set11nRateScenario)(struct ath_hal *,
1013	    			struct ath_desc *, u_int, u_int,
1014				HAL_11N_RATE_SERIES [], u_int, u_int);
1015	void	  __ahdecl(*ah_set11nAggrMiddle)(struct ath_hal *,
1016	    			struct ath_desc *, u_int);
1017	void	  __ahdecl(*ah_clr11nAggr)(struct ath_hal *,
1018	    			struct ath_desc *);
1019	void	  __ahdecl(*ah_set11nBurstDuration)(struct ath_hal *,
1020	    			struct ath_desc *, u_int);
1021	uint32_t  __ahdecl(*ah_get11nExtBusy)(struct ath_hal *);
1022	void      __ahdecl(*ah_set11nMac2040)(struct ath_hal *,
1023				HAL_HT_MACMODE);
1024	HAL_HT_RXCLEAR __ahdecl(*ah_get11nRxClear)(struct ath_hal *ah);
1025	void	  __ahdecl(*ah_set11nRxClear)(struct ath_hal *,
1026	    			HAL_HT_RXCLEAR);
1027
1028	/* Interrupt functions */
1029	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
1030	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
1031	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
1032	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
1033};
1034
1035/*
1036 * Check the PCI vendor ID and device ID against Atheros' values
1037 * and return a printable description for any Atheros hardware.
1038 * AH_NULL is returned if the ID's do not describe Atheros hardware.
1039 */
1040extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
1041
1042/*
1043 * Attach the HAL for use with the specified device.  The device is
1044 * defined by the PCI device ID.  The caller provides an opaque pointer
1045 * to an upper-layer data structure (HAL_SOFTC) that is stored in the
1046 * HAL state block for later use.  Hardware register accesses are done
1047 * using the specified bus tag and handle.  On successful return a
1048 * reference to a state block is returned that must be supplied in all
1049 * subsequent HAL calls.  Storage associated with this reference is
1050 * dynamically allocated and must be freed by calling the ah_detach
1051 * method when the client is done.  If the attach operation fails a
1052 * null (AH_NULL) reference will be returned and a status code will
1053 * be returned if the status parameter is non-zero.
1054 */
1055extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
1056		HAL_BUS_TAG, HAL_BUS_HANDLE, uint16_t *eepromdata, HAL_STATUS* status);
1057
1058extern	const char *ath_hal_mac_name(struct ath_hal *);
1059extern	const char *ath_hal_rf_name(struct ath_hal *);
1060
1061/*
1062 * Regulatory interfaces.  Drivers should use ath_hal_init_channels to
1063 * request a set of channels for a particular country code and/or
1064 * regulatory domain.  If CTRY_DEFAULT and SKU_NONE are specified then
1065 * this list is constructed according to the contents of the EEPROM.
1066 * ath_hal_getchannels acts similarly but does not alter the operating
1067 * state; this can be used to collect information for a particular
1068 * regulatory configuration.  Finally ath_hal_set_channels installs a
1069 * channel list constructed outside the driver.  The HAL will adopt the
1070 * channel list and setup internal state according to the specified
1071 * regulatory configuration (e.g. conformance test limits).
1072 *
1073 * For all interfaces the channel list is returned in the supplied array.
1074 * maxchans defines the maximum size of this array.  nchans contains the
1075 * actual number of channels returned.  If a problem occurred then a
1076 * status code != HAL_OK is returned.
1077 */
1078struct ieee80211_channel;
1079
1080/*
1081 * Return a list of channels according to the specified regulatory.
1082 */
1083extern	HAL_STATUS __ahdecl ath_hal_getchannels(struct ath_hal *,
1084    struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1085    u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn,
1086    HAL_BOOL enableExtendedChannels);
1087
1088/*
1089 * Return a list of channels and install it as the current operating
1090 * regulatory list.
1091 */
1092extern	HAL_STATUS __ahdecl ath_hal_init_channels(struct ath_hal *,
1093    struct ieee80211_channel *chans, u_int maxchans, int *nchans,
1094    u_int modeSelect, HAL_CTRY_CODE cc, HAL_REG_DOMAIN rd,
1095    HAL_BOOL enableExtendedChannels);
1096
1097/*
1098 * Install the list of channels as the current operating regulatory
1099 * and setup related state according to the country code and sku.
1100 */
1101extern	HAL_STATUS __ahdecl ath_hal_set_channels(struct ath_hal *,
1102    struct ieee80211_channel *chans, int nchans,
1103    HAL_CTRY_CODE cc, HAL_REG_DOMAIN regDmn);
1104
1105/*
1106 * Fetch the ctl/ext noise floor values reported by a MIMO
1107 * radio. Returns 1 for valid results, 0 for invalid channel.
1108 */
1109extern int __ahdecl ath_hal_get_mimo_chan_noise(struct ath_hal *ah,
1110    const struct ieee80211_channel *chan, int16_t *nf_ctl,
1111    int16_t *nf_ext);
1112
1113/*
1114 * Calibrate noise floor data following a channel scan or similar.
1115 * This must be called prior retrieving noise floor data.
1116 */
1117extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
1118
1119/*
1120 * Return bit mask of wireless modes supported by the hardware.
1121 */
1122extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*);
1123
1124/*
1125 * Calculate the packet TX time for a legacy or 11n frame
1126 */
1127extern uint32_t __ahdecl ath_hal_pkt_txtime(struct ath_hal *ah,
1128    const HAL_RATE_TABLE *rates, uint32_t frameLen,
1129    uint16_t rateix, HAL_BOOL isht40, HAL_BOOL shortPreamble);
1130
1131/*
1132 * Calculate the duration of an 11n frame.
1133 */
1134extern uint32_t __ahdecl ath_computedur_ht(uint32_t frameLen, uint16_t rate,
1135    int streams, HAL_BOOL isht40, HAL_BOOL isShortGI);
1136
1137/*
1138 * Calculate the transmit duration of a legacy frame.
1139 */
1140extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
1141		const HAL_RATE_TABLE *rates, uint32_t frameLen,
1142		uint16_t rateix, HAL_BOOL shortPreamble);
1143
1144/*
1145 * Adjust the TSF.
1146 */
1147extern void __ahdecl ath_hal_adjusttsf(struct ath_hal *ah, int32_t tsfdelta);
1148
1149/*
1150 * Enable or disable CCA.
1151 */
1152void __ahdecl ath_hal_setcca(struct ath_hal *ah, int ena);
1153
1154/*
1155 * Get CCA setting.
1156 */
1157int __ahdecl ath_hal_getcca(struct ath_hal *ah);
1158
1159#endif /* _ATH_AH_H_ */
1160