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      1 /*
      2  * Copyright (c) 2002-2008 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  * $Id: ah.h,v 1.5 2020/12/16 19:49:05 christos Exp $
     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  * __ahdecl is analogous to _cdecl; it defines the calling
     35  * convention used within the HAL.  For most systems this
     36  * can just default to be empty and the compiler will (should)
     37  * use _cdecl.  For systems where _cdecl is not compatible this
     38  * must be defined.  See linux/ah_osdep.h for an example.
     39  */
     40 #ifndef __ahdecl
     41 #define __ahdecl
     42 #endif
     43 
     44 /*
     45  * Status codes that may be returned by the HAL.  Note that
     46  * interfaces that return a status code set it only when an
     47  * error occurs--i.e. you cannot check it for success.
     48  */
     49 typedef enum {
     50 	HAL_OK		= 0,	/* No error */
     51 	HAL_ENXIO	= 1,	/* No hardware present */
     52 	HAL_ENOMEM	= 2,	/* Memory allocation failed */
     53 	HAL_EIO		= 3,	/* Hardware didn't respond as expected */
     54 	HAL_EEMAGIC	= 4,	/* EEPROM magic number invalid */
     55 	HAL_EEVERSION	= 5,	/* EEPROM version invalid */
     56 	HAL_EELOCKED	= 6,	/* EEPROM unreadable */
     57 	HAL_EEBADSUM	= 7,	/* EEPROM checksum invalid */
     58 	HAL_EEREAD	= 8,	/* EEPROM read problem */
     59 	HAL_EEBADMAC	= 9,	/* EEPROM mac address invalid */
     60 	HAL_EESIZE	= 10,	/* EEPROM size not supported */
     61 	HAL_EEWRITE	= 11,	/* Attempt to change write-locked EEPROM */
     62 	HAL_EINVAL	= 12,	/* Invalid parameter to function */
     63 	HAL_ENOTSUPP	= 13,	/* Hardware revision not supported */
     64 	HAL_ESELFTEST	= 14,	/* Hardware self-test failed */
     65 	HAL_EINPROGRESS	= 15,	/* Operation incomplete */
     66 	HAL_EEBADREG	= 16,	/* EEPROM invalid regulatory contents */
     67 	HAL_EEBADCC	= 17,	/* EEPROM invalid country code */
     68 } HAL_STATUS;
     69 
     70 typedef enum {
     71 	AH_FALSE = 0,		/* NB: lots of code assumes false is zero */
     72 	AH_TRUE  = 1,
     73 } HAL_BOOL;
     74 
     75 typedef enum {
     76 	HAL_CAP_REG_DMN		= 0,	/* current regulatory domain */
     77 	HAL_CAP_CIPHER		= 1,	/* hardware supports cipher */
     78 	HAL_CAP_TKIP_MIC	= 2,	/* handle TKIP MIC in hardware */
     79 	HAL_CAP_TKIP_SPLIT	= 3,	/* hardware TKIP uses split keys */
     80 	HAL_CAP_PHYCOUNTERS	= 4,	/* hardware PHY error counters */
     81 	HAL_CAP_DIVERSITY	= 5,	/* hardware supports fast diversity */
     82 	HAL_CAP_KEYCACHE_SIZE	= 6,	/* number of entries in key cache */
     83 	HAL_CAP_NUM_TXQUEUES	= 7,	/* number of hardware xmit queues */
     84 	HAL_CAP_VEOL		= 9,	/* hardware supports virtual EOL */
     85 	HAL_CAP_PSPOLL		= 10,	/* hardware has working PS-Poll support */
     86 	HAL_CAP_DIAG		= 11,	/* hardware diagnostic support */
     87 	HAL_CAP_COMPRESSION	= 12,	/* hardware supports compression */
     88 	HAL_CAP_BURST		= 13,	/* hardware supports packet bursting */
     89 	HAL_CAP_FASTFRAME	= 14,	/* hardware supoprts fast frames */
     90 	HAL_CAP_TXPOW		= 15,	/* global tx power limit  */
     91 	HAL_CAP_TPC		= 16,	/* per-packet tx power control  */
     92 	HAL_CAP_PHYDIAG		= 17,	/* hardware phy error diagnostic */
     93 	HAL_CAP_BSSIDMASK	= 18,	/* hardware supports bssid mask */
     94 	HAL_CAP_MCAST_KEYSRCH	= 19,	/* hardware has multicast key search */
     95 	HAL_CAP_TSF_ADJUST	= 20,	/* hardware has beacon tsf adjust */
     96 	/* 21 was HAL_CAP_XR */
     97 	HAL_CAP_WME_TKIPMIC 	= 22,   /* hardware can support TKIP MIC when WMM is turned on */
     98 	/* 23 was HAL_CAP_CHAN_HALFRATE */
     99 	/* 24 was HAL_CAP_CHAN_QUARTERRATE */
    100 	HAL_CAP_RFSILENT	= 25,	/* hardware has rfsilent support  */
    101 	HAL_CAP_TPC_ACK		= 26,	/* ack txpower with per-packet tpc */
    102 	HAL_CAP_TPC_CTS		= 27,	/* cts txpower with per-packet tpc */
    103 	HAL_CAP_11D		= 28,   /* 11d beacon support for changing cc */
    104 	HAL_CAP_INTMIT		= 29,	/* interference mitigation */
    105 	HAL_CAP_RXORN_FATAL	= 30,	/* HAL_INT_RXORN treated as fatal */
    106 	HAL_CAP_HT		= 31,   /* hardware can support HT */
    107 	HAL_CAP_TX_CHAINMASK	= 32,	/* mask of TX chains supported */
    108 	HAL_CAP_RX_CHAINMASK	= 33,	/* mask of RX chains supported */
    109 	HAL_CAP_RXTSTAMP_PREC	= 34,	/* rx desc tstamp precision (bits) */
    110 	HAL_CAP_BB_HANG		= 35,	/* can baseband hang */
    111 	HAL_CAP_MAC_HANG	= 36,	/* can MAC hang */
    112 	HAL_CAP_INTRMASK	= 37,	/* bitmask of supported interrupts */
    113 	HAL_CAP_BSSIDMATCH	= 38,	/* hardware has disable bssid match */
    114 } HAL_CAPABILITY_TYPE;
    115 
    116 /*
    117  * "States" for setting the LED.  These correspond to
    118  * the possible 802.11 operational states and there may
    119  * be a many-to-one mapping between these states and the
    120  * actual hardware state for the LED's (i.e. the hardware
    121  * may have fewer states).
    122  */
    123 typedef enum {
    124 	HAL_LED_INIT	= 0,
    125 	HAL_LED_SCAN	= 1,
    126 	HAL_LED_AUTH	= 2,
    127 	HAL_LED_ASSOC	= 3,
    128 	HAL_LED_RUN	= 4
    129 } HAL_LED_STATE;
    130 
    131 /*
    132  * Transmit queue types/numbers.  These are used to tag
    133  * each transmit queue in the hardware and to identify a set
    134  * of transmit queues for operations such as start/stop dma.
    135  */
    136 typedef enum {
    137 	HAL_TX_QUEUE_INACTIVE	= 0,		/* queue is inactive/unused */
    138 	HAL_TX_QUEUE_DATA	= 1,		/* data xmit q's */
    139 	HAL_TX_QUEUE_BEACON	= 2,		/* beacon xmit q */
    140 	HAL_TX_QUEUE_CAB	= 3,		/* "crap after beacon" xmit q */
    141 	HAL_TX_QUEUE_UAPSD	= 4,		/* u-apsd power save xmit q */
    142 } HAL_TX_QUEUE;
    143 
    144 #define	HAL_NUM_TX_QUEUES	10		/* max possible # of queues */
    145 
    146 /*
    147  * Transmit queue subtype.  These map directly to
    148  * WME Access Categories (except for UPSD).  Refer
    149  * to Table 5 of the WME spec.
    150  */
    151 typedef enum {
    152 	HAL_WME_AC_BK	= 0,			/* background access category */
    153 	HAL_WME_AC_BE	= 1, 			/* best effort access category*/
    154 	HAL_WME_AC_VI	= 2,			/* video access category */
    155 	HAL_WME_AC_VO	= 3,			/* voice access category */
    156 	HAL_WME_UPSD	= 4,			/* uplink power save */
    157 } HAL_TX_QUEUE_SUBTYPE;
    158 
    159 /*
    160  * Transmit queue flags that control various
    161  * operational parameters.
    162  */
    163 typedef enum {
    164 	/*
    165 	 * Per queue interrupt enables.  When set the associated
    166 	 * interrupt may be delivered for packets sent through
    167 	 * the queue.  Without these enabled no interrupts will
    168 	 * be delivered for transmits through the queue.
    169 	 */
    170 	HAL_TXQ_TXOKINT_ENABLE	   = 0x0001,	/* enable TXOK interrupt */
    171 	HAL_TXQ_TXERRINT_ENABLE	   = 0x0001,	/* enable TXERR interrupt */
    172 	HAL_TXQ_TXDESCINT_ENABLE   = 0x0002,	/* enable TXDESC interrupt */
    173 	HAL_TXQ_TXEOLINT_ENABLE	   = 0x0004,	/* enable TXEOL interrupt */
    174 	HAL_TXQ_TXURNINT_ENABLE	   = 0x0008,	/* enable TXURN interrupt */
    175 	/*
    176 	 * Enable hardware compression for packets sent through
    177 	 * the queue.  The compression buffer must be setup and
    178 	 * packets must have a key entry marked in the tx descriptor.
    179 	 */
    180 	HAL_TXQ_COMPRESSION_ENABLE  = 0x0010,	/* enable h/w compression */
    181 	/*
    182 	 * Disable queue when veol is hit or ready time expires.
    183 	 * By default the queue is disabled only on reaching the
    184 	 * physical end of queue (i.e. a null link ptr in the
    185 	 * descriptor chain).
    186 	 */
    187 	HAL_TXQ_RDYTIME_EXP_POLICY_ENABLE = 0x0020,
    188 	/*
    189 	 * Schedule frames on delivery of a DBA (DMA Beacon Alert)
    190 	 * event.  Frames will be transmitted only when this timer
    191 	 * fires, e.g to transmit a beacon in ap or adhoc modes.
    192 	 */
    193 	HAL_TXQ_DBA_GATED	    = 0x0040,	/* schedule based on DBA */
    194 	/*
    195 	 * Each transmit queue has a counter that is incremented
    196 	 * each time the queue is enabled and decremented when
    197 	 * the list of frames to transmit is traversed (or when
    198 	 * the ready time for the queue expires).  This counter
    199 	 * must be non-zero for frames to be scheduled for
    200 	 * transmission.  The following controls disable bumping
    201 	 * this counter under certain conditions.  Typically this
    202 	 * is used to gate frames based on the contents of another
    203 	 * queue (e.g. CAB traffic may only follow a beacon frame).
    204 	 * These are meaningful only when frames are scheduled
    205 	 * with a non-ASAP policy (e.g. DBA-gated).
    206 	 */
    207 	HAL_TXQ_CBR_DIS_QEMPTY	    = 0x0080,	/* disable on this q empty */
    208 	HAL_TXQ_CBR_DIS_BEMPTY	    = 0x0100,	/* disable on beacon q empty */
    209 
    210 	/*
    211 	 * Fragment burst backoff policy.  Normally the no backoff
    212 	 * is done after a successful transmission, the next fragment
    213 	 * is sent at SIFS.  If this flag is set backoff is done
    214 	 * after each fragment, regardless whether it was ack'd or
    215 	 * not, after the backoff count reaches zero a normal channel
    216 	 * access procedure is done before the next transmit (i.e.
    217 	 * wait AIFS instead of SIFS).
    218 	 */
    219 	HAL_TXQ_FRAG_BURST_BACKOFF_ENABLE = 0x00800000,
    220 	/*
    221 	 * Disable post-tx backoff following each frame.
    222 	 */
    223 	HAL_TXQ_BACKOFF_DISABLE	    = 0x00010000, /* disable post backoff  */
    224 	/*
    225 	 * DCU arbiter lockout control.  This controls how
    226 	 * lower priority tx queues are handled with respect to
    227 	 * to a specific queue when multiple queues have frames
    228 	 * to send.  No lockout means lower priority queues arbitrate
    229 	 * concurrently with this queue.  Intra-frame lockout
    230 	 * means lower priority queues are locked out until the
    231 	 * current frame transmits (e.g. including backoffs and bursting).
    232 	 * Global lockout means nothing lower can arbitrary so
    233 	 * long as there is traffic activity on this queue (frames,
    234 	 * backoff, etc).
    235 	 */
    236 	HAL_TXQ_ARB_LOCKOUT_INTRA   = 0x00020000, /* intra-frame lockout */
    237 	HAL_TXQ_ARB_LOCKOUT_GLOBAL  = 0x00040000, /* full lockout s */
    238 
    239 	HAL_TXQ_IGNORE_VIRTCOL	    = 0x00080000, /* ignore virt collisions */
    240 	HAL_TXQ_SEQNUM_INC_DIS	    = 0x00100000, /* disable seqnum increment */
    241 } HAL_TX_QUEUE_FLAGS;
    242 
    243 typedef struct {
    244 	uint32_t	tqi_ver;		/* hal TXQ version */
    245 	HAL_TX_QUEUE_SUBTYPE tqi_subtype;	/* subtype if applicable */
    246 	HAL_TX_QUEUE_FLAGS tqi_qflags;		/* flags (see above) */
    247 	uint32_t	tqi_priority;		/* (not used) */
    248 	uint32_t	tqi_aifs;		/* aifs */
    249 	uint32_t	tqi_cwmin;		/* cwMin */
    250 	uint32_t	tqi_cwmax;		/* cwMax */
    251 	uint16_t	tqi_shretry;		/* rts retry limit */
    252 	uint16_t	tqi_lgretry;		/* long retry limit (not used)*/
    253 	uint32_t	tqi_cbrPeriod;		/* CBR period (us) */
    254 	uint32_t	tqi_cbrOverflowLimit;	/* threshold for CBROVF int */
    255 	uint32_t	tqi_burstTime;		/* max burst duration (us) */
    256 	uint32_t	tqi_readyTime;		/* frame schedule time (us) */
    257 	uint32_t	tqi_compBuf;		/* comp buffer phys addr */
    258 } HAL_TXQ_INFO;
    259 
    260 #define HAL_TQI_NONVAL 0xffff
    261 
    262 /* token to use for aifs, cwmin, cwmax */
    263 #define	HAL_TXQ_USEDEFAULT	((uint32_t) -1)
    264 
    265 /* compression definitions */
    266 #define HAL_COMP_BUF_MAX_SIZE           9216            /* 9K */
    267 #define HAL_COMP_BUF_ALIGN_SIZE         512
    268 
    269 /*
    270  * Transmit packet types.  This belongs in ah_desc.h, but
    271  * is here so we can give a proper type to various parameters
    272  * (and not require everyone include the file).
    273  *
    274  * NB: These values are intentionally assigned for
    275  *     direct use when setting up h/w descriptors.
    276  */
    277 typedef enum {
    278 	HAL_PKT_TYPE_NORMAL	= 0,
    279 	HAL_PKT_TYPE_ATIM	= 1,
    280 	HAL_PKT_TYPE_PSPOLL	= 2,
    281 	HAL_PKT_TYPE_BEACON	= 3,
    282 	HAL_PKT_TYPE_PROBE_RESP	= 4,
    283 	HAL_PKT_TYPE_CHIRP	= 5,
    284 	HAL_PKT_TYPE_GRP_POLL	= 6,
    285 	HAL_PKT_TYPE_AMPDU	= 7,
    286 } HAL_PKT_TYPE;
    287 
    288 /* Rx Filter Frame Types */
    289 typedef enum {
    290 	HAL_RX_FILTER_UCAST	= 0x00000001,	/* Allow unicast frames */
    291 	HAL_RX_FILTER_MCAST	= 0x00000002,	/* Allow multicast frames */
    292 	HAL_RX_FILTER_BCAST	= 0x00000004,	/* Allow broadcast frames */
    293 	HAL_RX_FILTER_CONTROL	= 0x00000008,	/* Allow control frames */
    294 	HAL_RX_FILTER_BEACON	= 0x00000010,	/* Allow beacon frames */
    295 	HAL_RX_FILTER_PROM	= 0x00000020,	/* Promiscuous mode */
    296 	HAL_RX_FILTER_PROBEREQ	= 0x00000080,	/* Allow probe request frames */
    297 	HAL_RX_FILTER_PHYERR	= 0x00000100,	/* Allow phy errors */
    298 	HAL_RX_FILTER_PHYRADAR	= 0x00000200,	/* Allow phy radar errors */
    299 	HAL_RX_FILTER_COMPBAR	= 0x00000400,	/* Allow compressed BAR */
    300 	HAL_RX_FILTER_BSSID	= 0x00000800,	/* Disable BSSID match */
    301 } HAL_RX_FILTER;
    302 
    303 typedef enum {
    304 	HAL_PM_AWAKE		= 0,
    305 	HAL_PM_FULL_SLEEP	= 1,
    306 	HAL_PM_NETWORK_SLEEP	= 2,
    307 	HAL_PM_UNDEFINED	= 3
    308 } HAL_POWER_MODE;
    309 
    310 /*
    311  * NOTE WELL:
    312  * These are mapped to take advantage of the common locations for many of
    313  * the bits on all of the currently supported MAC chips. This is to make
    314  * the ISR as efficient as possible, while still abstracting HW differences.
    315  * When new hardware breaks this commonality this enumerated type, as well
    316  * as the HAL functions using it, must be modified. All values are directly
    317  * mapped unless commented otherwise.
    318  */
    319 typedef enum {
    320 	HAL_INT_RX	= 0x00000001,	/* Non-common mapping */
    321 	HAL_INT_RXDESC	= 0x00000002,
    322 	HAL_INT_RXNOFRM	= 0x00000008,
    323 	HAL_INT_RXEOL	= 0x00000010,
    324 	HAL_INT_RXORN	= 0x00000020,
    325 	HAL_INT_TX	= 0x00000040,	/* Non-common mapping */
    326 	HAL_INT_TXDESC	= 0x00000080,
    327 	HAL_INT_TIM_TIMER=0x00000100,
    328 	HAL_INT_TXURN	= 0x00000800,
    329 	HAL_INT_MIB	= 0x00001000,
    330 	HAL_INT_RXPHY	= 0x00004000,
    331 	HAL_INT_RXKCM	= 0x00008000,
    332 	HAL_INT_SWBA	= 0x00010000,
    333 	HAL_INT_BMISS	= 0x00040000,
    334 	HAL_INT_BNR	= 0x00100000,
    335 	HAL_INT_TIM	= 0x00200000,	/* Non-common mapping */
    336 	HAL_INT_DTIM	= 0x00400000,	/* Non-common mapping */
    337 	HAL_INT_DTIMSYNC= 0x00800000,	/* Non-common mapping */
    338 	HAL_INT_GPIO	= 0x01000000,
    339 	HAL_INT_CABEND	= 0x02000000,	/* Non-common mapping */
    340 	HAL_INT_TSFOOR	= 0x04000000,	/* Non-common mapping */
    341 	HAL_INT_TBTT	= 0x08000000,	/* Non-common mapping */
    342 	HAL_INT_CST	= 0x10000000,	/* Non-common mapping */
    343 	HAL_INT_GTT	= 0x20000000,	/* Non-common mapping */
    344 	HAL_INT_FATAL	= 0x40000000,	/* Non-common mapping */
    345 #define	HAL_INT_GLOBAL	0x80000000	/* Set/clear IER */
    346 	HAL_INT_BMISC	= HAL_INT_TIM
    347 			| HAL_INT_DTIM
    348 			| HAL_INT_DTIMSYNC
    349 			| HAL_INT_CABEND
    350 			| HAL_INT_TBTT,
    351 
    352 	/* Interrupt bits that map directly to ISR/IMR bits */
    353 	HAL_INT_COMMON  = HAL_INT_RXNOFRM
    354 			| HAL_INT_RXDESC
    355 			| HAL_INT_RXEOL
    356 			| HAL_INT_RXORN
    357 			| HAL_INT_TXURN
    358 			| HAL_INT_TXDESC
    359 			| HAL_INT_MIB
    360 			| HAL_INT_RXPHY
    361 			| HAL_INT_RXKCM
    362 			| HAL_INT_SWBA
    363 			| HAL_INT_BMISS
    364 			| HAL_INT_BNR
    365 			| HAL_INT_GPIO,
    366 } HAL_INT;
    367 
    368 typedef enum {
    369 	HAL_GPIO_MUX_OUTPUT		= 0,
    370 	HAL_GPIO_MUX_PCIE_ATTENTION_LED	= 1,
    371 	HAL_GPIO_MUX_PCIE_POWER_LED	= 2,
    372 	HAL_GPIO_MUX_TX_FRAME		= 3,
    373 	HAL_GPIO_MUX_RX_CLEAR_EXTERNAL	= 4,
    374 	HAL_GPIO_MUX_MAC_NETWORK_LED	= 5,
    375 	HAL_GPIO_MUX_MAC_POWER_LED	= 6
    376 } HAL_GPIO_MUX_TYPE;
    377 
    378 typedef enum {
    379 	HAL_GPIO_INTR_LOW		= 0,
    380 	HAL_GPIO_INTR_HIGH		= 1,
    381 	HAL_GPIO_INTR_DISABLE		= 2
    382 } HAL_GPIO_INTR_TYPE;
    383 
    384 typedef enum {
    385 	HAL_RFGAIN_INACTIVE		= 0,
    386 	HAL_RFGAIN_READ_REQUESTED	= 1,
    387 	HAL_RFGAIN_NEED_CHANGE		= 2
    388 } HAL_RFGAIN;
    389 
    390 /*
    391  * Channels are specified by frequency.
    392  */
    393 typedef struct {
    394 	uint32_t	channelFlags;	/* see below */
    395 	uint16_t	channel;	/* setting in Mhz */
    396 	uint8_t		privFlags;
    397 	int8_t		maxRegTxPower;	/* max regulatory tx power in dBm */
    398 	int8_t		maxTxPower;	/* max true tx power in 0.5 dBm */
    399 	int8_t		minTxPower;	/* min true tx power in 0.5 dBm */
    400 } HAL_CHANNEL;
    401 
    402 /* channelFlags */
    403 #define	CHANNEL_CW_INT	0x00002	/* CW interference detected on channel */
    404 #define	CHANNEL_TURBO	0x00010	/* Turbo Channel */
    405 #define	CHANNEL_CCK	0x00020	/* CCK channel */
    406 #define	CHANNEL_OFDM	0x00040	/* OFDM channel */
    407 #define	CHANNEL_2GHZ	0x00080	/* 2 GHz spectrum channel */
    408 #define	CHANNEL_5GHZ	0x00100	/* 5 GHz spectrum channel */
    409 #define	CHANNEL_PASSIVE	0x00200	/* Only passive scan allowed in the channel */
    410 #define	CHANNEL_DYN	0x00400	/* dynamic CCK-OFDM channel */
    411 #define	CHANNEL_STURBO	0x02000	/* Static turbo, no 11a-only usage */
    412 #define	CHANNEL_HALF    0x04000 /* Half rate channel */
    413 #define	CHANNEL_QUARTER 0x08000 /* Quarter rate channel */
    414 #define	CHANNEL_HT20	0x10000 /* 11n 20MHZ channel */
    415 #define	CHANNEL_HT40PLUS 0x20000 /* 11n 40MHZ channel w/ ext chan above */
    416 #define	CHANNEL_HT40MINUS 0x40000 /* 11n 40MHZ channel w/ ext chan below */
    417 
    418 /* privFlags */
    419 #define CHANNEL_INTERFERENCE   	0x01 /* Software use: channel interference
    420 				        used for as AR as well as RADAR
    421 				        interference detection */
    422 #define CHANNEL_DFS		0x02 /* DFS required on channel */
    423 #define CHANNEL_4MS_LIMIT	0x04 /* 4msec packet limit on this channel */
    424 #define CHANNEL_DFS_CLEAR	0x08 /* if channel has been checked for DFS */
    425 
    426 #define	CHANNEL_A	(CHANNEL_5GHZ|CHANNEL_OFDM)
    427 #define	CHANNEL_B	(CHANNEL_2GHZ|CHANNEL_CCK)
    428 #define	CHANNEL_PUREG	(CHANNEL_2GHZ|CHANNEL_OFDM)
    429 #ifdef notdef
    430 #define	CHANNEL_G	(CHANNEL_2GHZ|CHANNEL_DYN)
    431 #else
    432 #define	CHANNEL_G	(CHANNEL_2GHZ|CHANNEL_OFDM)
    433 #endif
    434 #define	CHANNEL_T	(CHANNEL_5GHZ|CHANNEL_OFDM|CHANNEL_TURBO)
    435 #define CHANNEL_ST	(CHANNEL_T|CHANNEL_STURBO)
    436 #define	CHANNEL_108G	(CHANNEL_2GHZ|CHANNEL_OFDM|CHANNEL_TURBO)
    437 #define	CHANNEL_108A	CHANNEL_T
    438 #define	CHANNEL_G_HT20		(CHANNEL_G|CHANNEL_HT20)
    439 #define	CHANNEL_A_HT20		(CHANNEL_A|CHANNEL_HT20)
    440 #define	CHANNEL_G_HT40PLUS	(CHANNEL_G|CHANNEL_HT40PLUS)
    441 #define	CHANNEL_G_HT40MINUS	(CHANNEL_G|CHANNEL_HT40MINUS)
    442 #define	CHANNEL_A_HT40PLUS	(CHANNEL_A|CHANNEL_HT40PLUS)
    443 #define	CHANNEL_A_HT40MINUS	(CHANNEL_A|CHANNEL_HT40MINUS)
    444 #define	CHANNEL_ALL \
    445 	(CHANNEL_OFDM | CHANNEL_CCK| CHANNEL_2GHZ | CHANNEL_5GHZ | \
    446 	 CHANNEL_TURBO | CHANNEL_HT20 | CHANNEL_HT40PLUS | CHANNEL_HT40MINUS)
    447 #define	CHANNEL_ALL_NOTURBO 	(CHANNEL_ALL &~ CHANNEL_TURBO)
    448 
    449 #define HAL_ANTENNA_MIN_MODE  0
    450 #define HAL_ANTENNA_FIXED_A   1
    451 #define HAL_ANTENNA_FIXED_B   2
    452 #define HAL_ANTENNA_MAX_MODE  3
    453 
    454 typedef struct {
    455 	uint32_t	ackrcv_bad;
    456 	uint32_t	rts_bad;
    457 	uint32_t	rts_good;
    458 	uint32_t	fcs_bad;
    459 	uint32_t	beacons;
    460 } HAL_MIB_STATS;
    461 
    462 typedef uint16_t HAL_CTRY_CODE;		/* country code */
    463 typedef uint16_t HAL_REG_DOMAIN;		/* regulatory domain code */
    464 
    465 enum {
    466 	CTRY_DEBUG	= 0x1ff,		/* debug country code */
    467 	CTRY_DEFAULT	= 0			/* default country code */
    468 };
    469 
    470 enum {
    471 	HAL_MODE_11A	= 0x001,		/* 11a channels */
    472 	HAL_MODE_TURBO	= 0x002,		/* 11a turbo-only channels */
    473 	HAL_MODE_11B	= 0x004,		/* 11b channels */
    474 	HAL_MODE_PUREG	= 0x008,		/* 11g channels (OFDM only) */
    475 #ifdef notdef
    476 	HAL_MODE_11G	= 0x010,		/* 11g channels (OFDM/CCK) */
    477 #else
    478 	HAL_MODE_11G	= 0x008,		/* XXX historical */
    479 #endif
    480 	HAL_MODE_108G	= 0x020,		/* 11g+Turbo channels */
    481 	HAL_MODE_108A	= 0x040,		/* 11a+Turbo channels */
    482 	HAL_MODE_11A_HALF_RATE = 0x200,		/* 11a half width channels */
    483 	HAL_MODE_11A_QUARTER_RATE = 0x400,	/* 11a quarter width channels */
    484 	HAL_MODE_11G_HALF_RATE = 0x800,		/* 11g half width channels */
    485 	HAL_MODE_11G_QUARTER_RATE = 0x1000,	/* 11g quarter width channels */
    486 	HAL_MODE_11NG_HT20	= 0x008000,
    487 	HAL_MODE_11NA_HT20  	= 0x010000,
    488 	HAL_MODE_11NG_HT40PLUS	= 0x020000,
    489 	HAL_MODE_11NG_HT40MINUS	= 0x040000,
    490 	HAL_MODE_11NA_HT40PLUS	= 0x080000,
    491 	HAL_MODE_11NA_HT40MINUS	= 0x100000,
    492 	HAL_MODE_ALL	= 0xffffff
    493 };
    494 
    495 typedef struct {
    496 	int		rateCount;		/* NB: for proper padding */
    497 	uint8_t		rateCodeToIndex[144];	/* back mapping */
    498 	struct {
    499 		uint8_t	valid;		/* valid for rate control use */
    500 		uint8_t	phy;		/* CCK/OFDM/XR */
    501 		uint32_t	rateKbps;	/* transfer rate in kbs */
    502 		uint8_t		rateCode;	/* rate for h/w descriptors */
    503 		uint8_t		shortPreamble;	/* mask for enabling short
    504 						 * preamble in CCK rate code */
    505 		uint8_t		dot11Rate;	/* value for supported rates
    506 						 * info element of MLME */
    507 		uint8_t		controlRate;	/* index of next lower basic
    508 						 * rate; used for dur. calcs */
    509 		uint16_t	lpAckDuration;	/* long preamble ACK duration */
    510 		uint16_t	spAckDuration;	/* short preamble ACK duration*/
    511 	} info[32];
    512 } HAL_RATE_TABLE;
    513 
    514 typedef struct {
    515 	u_int		rs_count;		/* number of valid entries */
    516 	uint8_t	rs_rates[32];		/* rates */
    517 } HAL_RATE_SET;
    518 
    519 /*
    520  * 802.11n specific structures and enums
    521  */
    522 typedef enum {
    523 	HAL_CHAINTYPE_TX	= 1,	/* Tx chain type */
    524 	HAL_CHAINTYPE_RX	= 2,	/* RX chain type */
    525 } HAL_CHAIN_TYPE;
    526 
    527 typedef struct {
    528 	u_int	Tries;
    529 	u_int	Rate;
    530 	u_int	PktDuration;
    531 	u_int	ChSel;
    532 	u_int	RateFlags;
    533 #define	HAL_RATESERIES_RTS_CTS		0x0001	/* use rts/cts w/this series */
    534 #define	HAL_RATESERIES_2040		0x0002	/* use ext channel for series */
    535 #define	HAL_RATESERIES_HALFGI		0x0004	/* use half-gi for series */
    536 } HAL_11N_RATE_SERIES;
    537 
    538 typedef enum {
    539 	HAL_HT_MACMODE_20	= 0,	/* 20 MHz operation */
    540 	HAL_HT_MACMODE_2040	= 1,	/* 20/40 MHz operation */
    541 } HAL_HT_MACMODE;
    542 
    543 typedef enum {
    544 	HAL_HT_PHYMODE_20	= 0,	/* 20 MHz operation */
    545 	HAL_HT_PHYMODE_2040	= 1,	/* 20/40 MHz operation */
    546 } HAL_HT_PHYMODE;
    547 
    548 typedef enum {
    549 	HAL_HT_EXTPROTSPACING_20 = 0,	/* 20 MHz spacing */
    550 	HAL_HT_EXTPROTSPACING_25 = 1,	/* 25 MHz spacing */
    551 } HAL_HT_EXTPROTSPACING;
    552 
    553 
    554 typedef enum {
    555 	HAL_RX_CLEAR_CTL_LOW	= 0x1,	/* force control channel to appear busy */
    556 	HAL_RX_CLEAR_EXT_LOW	= 0x2,	/* force extension channel to appear busy */
    557 } HAL_HT_RXCLEAR;
    558 
    559 /*
    560  * Antenna switch control.  By default antenna selection
    561  * enables multiple (2) antenna use.  To force use of the
    562  * A or B antenna only specify a fixed setting.  Fixing
    563  * the antenna will also disable any diversity support.
    564  */
    565 typedef enum {
    566 	HAL_ANT_VARIABLE = 0,			/* variable by programming */
    567 	HAL_ANT_FIXED_A	 = 1,			/* fixed antenna A */
    568 	HAL_ANT_FIXED_B	 = 2,			/* fixed antenna B */
    569 } HAL_ANT_SETTING;
    570 
    571 typedef enum {
    572 	HAL_M_STA	= 1,			/* infrastructure station */
    573 	HAL_M_IBSS	= 0,			/* IBSS (adhoc) station */
    574 	HAL_M_HOSTAP	= 6,			/* Software Access Point */
    575 	HAL_M_MONITOR	= 8			/* Monitor mode */
    576 } HAL_OPMODE;
    577 
    578 typedef struct {
    579 	uint8_t		kv_type;		/* one of HAL_CIPHER */
    580 	uint8_t		kv_pad;
    581 	uint16_t	kv_len;			/* length in bits */
    582 	uint8_t		kv_val[16];		/* enough for 128-bit keys */
    583 	uint8_t		kv_mic[8];		/* TKIP MIC key */
    584 	uint8_t		kv_txmic[8];		/* TKIP TX MIC key (optional) */
    585 } HAL_KEYVAL;
    586 
    587 typedef enum {
    588 	HAL_CIPHER_WEP		= 0,
    589 	HAL_CIPHER_AES_OCB	= 1,
    590 	HAL_CIPHER_AES_CCM	= 2,
    591 	HAL_CIPHER_CKIP		= 3,
    592 	HAL_CIPHER_TKIP		= 4,
    593 	HAL_CIPHER_CLR		= 5,		/* no encryption */
    594 
    595 	HAL_CIPHER_MIC		= 127		/* TKIP-MIC, not a cipher */
    596 } HAL_CIPHER;
    597 
    598 enum {
    599 	HAL_SLOT_TIME_6	 = 6,			/* NB: for turbo mode */
    600 	HAL_SLOT_TIME_9	 = 9,
    601 	HAL_SLOT_TIME_20 = 20,
    602 };
    603 
    604 /*
    605  * Per-station beacon timer state.  Note that the specified
    606  * beacon interval (given in TU's) can also include flags
    607  * to force a TSF reset and to enable the beacon xmit logic.
    608  * If bs_cfpmaxduration is non-zero the hardware is setup to
    609  * coexist with a PCF-capable AP.
    610  */
    611 typedef struct {
    612 	uint32_t	bs_nexttbtt;		/* next beacon in TU */
    613 	uint32_t	bs_nextdtim;		/* next DTIM in TU */
    614 	uint32_t	bs_intval;		/* beacon interval+flags */
    615 #define	HAL_BEACON_PERIOD	0x0000ffff	/* beacon interval period */
    616 #define	HAL_BEACON_ENA		0x00800000	/* beacon xmit enable */
    617 #define	HAL_BEACON_RESET_TSF	0x01000000	/* clear TSF */
    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 for bt_intval.
    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 	uint32_t	bt_flags;		/* timer enables */
    638 #define HAL_BEACON_TBTT_EN	0x00000001
    639 #define HAL_BEACON_DBA_EN	0x00000002
    640 #define HAL_BEACON_SWBA_EN	0x00000004
    641 } HAL_BEACON_TIMERS;
    642 
    643 /*
    644  * Per-node statistics maintained by the driver for use in
    645  * optimizing signal quality and other operational aspects.
    646  */
    647 typedef struct {
    648 	uint32_t	ns_avgbrssi;	/* average beacon rssi */
    649 	uint32_t	ns_avgrssi;	/* average data rssi */
    650 	uint32_t	ns_avgtxrssi;	/* average tx rssi */
    651 } HAL_NODE_STATS;
    652 
    653 #define	HAL_RSSI_EP_MULTIPLIER	(1<<7)	/* pow2 to optimize out * and / */
    654 
    655 struct ath_desc;
    656 struct ath_tx_status;
    657 struct ath_rx_status;
    658 
    659 /*
    660  * Hardware Access Layer (HAL) API.
    661  *
    662  * Clients of the HAL call ath_hal_attach to obtain a reference to an
    663  * ath_hal structure for use with the device.  Hardware-related operations
    664  * that follow must call back into the HAL through interface, supplying
    665  * the reference as the first parameter.  Note that before using the
    666  * reference returned by ath_hal_attach the caller should verify the
    667  * ABI version number.
    668  */
    669 struct ath_hal {
    670 	uint32_t	ah_magic;	/* consistency check magic number */
    671 	uint32_t	ah_abi;		/* HAL ABI version */
    672 #define	HAL_ABI_VERSION	0x08112800	/* YYMMDDnn */
    673 	uint16_t	ah_devid;	/* PCI device ID */
    674 	uint16_t	ah_subvendorid;	/* PCI subvendor ID */
    675 	HAL_SOFTC	ah_sc;		/* back pointer to driver/os state */
    676 	HAL_BUS_TAG	ah_st;		/* params for register r+w */
    677 	HAL_BUS_HANDLE	ah_sh;
    678 	HAL_CTRY_CODE	ah_countryCode;
    679 
    680 	uint32_t	ah_macVersion;	/* MAC version id */
    681 	uint16_t	ah_macRev;	/* MAC revision */
    682 	uint16_t	ah_phyRev;	/* PHY revision */
    683 	/* NB: when only one radio is present the rev is in 5Ghz */
    684 	uint16_t	ah_analog5GhzRev;/* 5GHz radio revision */
    685 	uint16_t	ah_analog2GhzRev;/* 2GHz radio revision */
    686 
    687 	const HAL_RATE_TABLE *__ahdecl(*ah_getRateTable)(struct ath_hal *,
    688 				u_int mode);
    689 	void	  __ahdecl(*ah_detach)(struct ath_hal*);
    690 
    691 	/* Reset functions */
    692 	HAL_BOOL  __ahdecl(*ah_reset)(struct ath_hal *, HAL_OPMODE,
    693 				HAL_CHANNEL *, HAL_BOOL bChannelChange,
    694 				HAL_STATUS *status);
    695 	HAL_BOOL  __ahdecl(*ah_phyDisable)(struct ath_hal *);
    696 	HAL_BOOL  __ahdecl(*ah_disable)(struct ath_hal *);
    697 	void	  __ahdecl(*ah_configPCIE)(struct ath_hal *, HAL_BOOL restore);
    698 	void	  __ahdecl(*ah_disablePCIE)(struct ath_hal *);
    699 	void	  __ahdecl(*ah_setPCUConfig)(struct ath_hal *);
    700 	HAL_BOOL  __ahdecl(*ah_perCalibration)(struct ath_hal*, HAL_CHANNEL *,
    701 			HAL_BOOL *);
    702 	HAL_BOOL  __ahdecl(*ah_perCalibrationN)(struct ath_hal *, HAL_CHANNEL *,
    703 			u_int chainMask, HAL_BOOL longCal, HAL_BOOL *isCalDone);
    704 	HAL_BOOL  __ahdecl(*ah_resetCalValid)(struct ath_hal *, HAL_CHANNEL *);
    705 	HAL_BOOL  __ahdecl(*ah_setTxPower)(struct ath_hal *,
    706 			HAL_CHANNEL *, uint16_t *);
    707 	HAL_BOOL  __ahdecl(*ah_setTxPowerLimit)(struct ath_hal *, uint32_t);
    708 	HAL_BOOL  __ahdecl(*ah_setBoardValues)(struct ath_hal *,
    709 			HAL_CHANNEL *);
    710 
    711 	/* Transmit functions */
    712 	HAL_BOOL  __ahdecl(*ah_updateTxTrigLevel)(struct ath_hal*,
    713 				HAL_BOOL incTrigLevel);
    714 	int	  __ahdecl(*ah_setupTxQueue)(struct ath_hal *, HAL_TX_QUEUE,
    715 				const HAL_TXQ_INFO *qInfo);
    716 	HAL_BOOL  __ahdecl(*ah_setTxQueueProps)(struct ath_hal *, int q,
    717 				const HAL_TXQ_INFO *qInfo);
    718 	HAL_BOOL  __ahdecl(*ah_getTxQueueProps)(struct ath_hal *, int q,
    719 				HAL_TXQ_INFO *qInfo);
    720 	HAL_BOOL  __ahdecl(*ah_releaseTxQueue)(struct ath_hal *ah, u_int q);
    721 	HAL_BOOL  __ahdecl(*ah_resetTxQueue)(struct ath_hal *ah, u_int q);
    722 	uint32_t __ahdecl(*ah_getTxDP)(struct ath_hal*, u_int);
    723 	HAL_BOOL  __ahdecl(*ah_setTxDP)(struct ath_hal*, u_int, uint32_t txdp);
    724 	uint32_t __ahdecl(*ah_numTxPending)(struct ath_hal *, u_int q);
    725 	HAL_BOOL  __ahdecl(*ah_startTxDma)(struct ath_hal*, u_int);
    726 	HAL_BOOL  __ahdecl(*ah_stopTxDma)(struct ath_hal*, u_int);
    727 	HAL_BOOL  __ahdecl(*ah_setupTxDesc)(struct ath_hal *, struct ath_desc *,
    728 				u_int pktLen, u_int hdrLen,
    729 				HAL_PKT_TYPE type, u_int txPower,
    730 				u_int txRate0, u_int txTries0,
    731 				u_int keyIx, u_int antMode, u_int flags,
    732 				u_int rtsctsRate, u_int rtsctsDuration,
    733 				u_int compicvLen, u_int compivLen,
    734 				u_int comp);
    735 	HAL_BOOL  __ahdecl(*ah_setupXTxDesc)(struct ath_hal *, struct ath_desc*,
    736 				u_int txRate1, u_int txTries1,
    737 				u_int txRate2, u_int txTries2,
    738 				u_int txRate3, u_int txTries3);
    739 	HAL_BOOL  __ahdecl(*ah_fillTxDesc)(struct ath_hal *, struct ath_desc *,
    740 				u_int segLen, HAL_BOOL firstSeg,
    741 				HAL_BOOL lastSeg, const struct ath_desc *);
    742 	HAL_STATUS __ahdecl(*ah_procTxDesc)(struct ath_hal *,
    743 				struct ath_desc *, struct ath_tx_status *);
    744 	void	   __ahdecl(*ah_getTxIntrQueue)(struct ath_hal *, uint32_t *);
    745 	void	   __ahdecl(*ah_reqTxIntrDesc)(struct ath_hal *, struct ath_desc*);
    746 
    747 	/* Receive Functions */
    748 	uint32_t __ahdecl(*ah_getRxDP)(struct ath_hal*);
    749 	void	  __ahdecl(*ah_setRxDP)(struct ath_hal*, uint32_t rxdp);
    750 	void	  __ahdecl(*ah_enableReceive)(struct ath_hal*);
    751 	HAL_BOOL  __ahdecl(*ah_stopDmaReceive)(struct ath_hal*);
    752 	void	  __ahdecl(*ah_startPcuReceive)(struct ath_hal*);
    753 	void	  __ahdecl(*ah_stopPcuReceive)(struct ath_hal*);
    754 	void	  __ahdecl(*ah_setMulticastFilter)(struct ath_hal*,
    755 				uint32_t filter0, uint32_t filter1);
    756 	HAL_BOOL  __ahdecl(*ah_setMulticastFilterIndex)(struct ath_hal*,
    757 				uint32_t index);
    758 	HAL_BOOL  __ahdecl(*ah_clrMulticastFilterIndex)(struct ath_hal*,
    759 				uint32_t index);
    760 	uint32_t __ahdecl(*ah_getRxFilter)(struct ath_hal*);
    761 	void	  __ahdecl(*ah_setRxFilter)(struct ath_hal*, uint32_t);
    762 	HAL_BOOL  __ahdecl(*ah_setupRxDesc)(struct ath_hal *, struct ath_desc *,
    763 				uint32_t size, u_int flags);
    764 	HAL_STATUS __ahdecl(*ah_procRxDesc)(struct ath_hal *,
    765 				struct ath_desc *, uint32_t phyAddr,
    766 				struct ath_desc *next, uint64_t tsf,
    767 				struct ath_rx_status *);
    768 	void	  __ahdecl(*ah_rxMonitor)(struct ath_hal *,
    769 				const HAL_NODE_STATS *, HAL_CHANNEL *);
    770 	void	  __ahdecl(*ah_procMibEvent)(struct ath_hal *,
    771 				const HAL_NODE_STATS *);
    772 
    773 	/* Misc Functions */
    774 	HAL_STATUS __ahdecl(*ah_getCapability)(struct ath_hal *,
    775 				HAL_CAPABILITY_TYPE, uint32_t capability,
    776 				uint32_t *result);
    777 	HAL_BOOL   __ahdecl(*ah_setCapability)(struct ath_hal *,
    778 				HAL_CAPABILITY_TYPE, uint32_t capability,
    779 				uint32_t setting, HAL_STATUS *);
    780 	HAL_BOOL   __ahdecl(*ah_getDiagState)(struct ath_hal *, int request,
    781 				const void *args, uint32_t argsize,
    782 				void **result, uint32_t *resultsize);
    783 	void	  __ahdecl(*ah_getMacAddress)(struct ath_hal *, uint8_t *);
    784 	HAL_BOOL  __ahdecl(*ah_setMacAddress)(struct ath_hal *, const uint8_t*);
    785 	void	  __ahdecl(*ah_getBssIdMask)(struct ath_hal *, uint8_t *);
    786 	HAL_BOOL  __ahdecl(*ah_setBssIdMask)(struct ath_hal *, const uint8_t*);
    787 	HAL_BOOL  __ahdecl(*ah_setRegulatoryDomain)(struct ath_hal*,
    788 				uint16_t, HAL_STATUS *);
    789 	void	  __ahdecl(*ah_setLedState)(struct ath_hal*, HAL_LED_STATE);
    790 	void	  __ahdecl(*ah_writeAssocid)(struct ath_hal*,
    791 				const uint8_t *bssid, uint16_t assocId);
    792 	HAL_BOOL  __ahdecl(*ah_gpioCfgOutput)(struct ath_hal *,
    793 				uint32_t gpio, HAL_GPIO_MUX_TYPE);
    794 	HAL_BOOL  __ahdecl(*ah_gpioCfgInput)(struct ath_hal *, uint32_t gpio);
    795 	uint32_t __ahdecl(*ah_gpioGet)(struct ath_hal *, uint32_t gpio);
    796 	HAL_BOOL  __ahdecl(*ah_gpioSet)(struct ath_hal *,
    797 				uint32_t gpio, uint32_t val);
    798 	void	  __ahdecl(*ah_gpioSetIntr)(struct ath_hal*, u_int, uint32_t);
    799 	uint32_t __ahdecl(*ah_getTsf32)(struct ath_hal*);
    800 	uint64_t __ahdecl(*ah_getTsf64)(struct ath_hal*);
    801 	void	  __ahdecl(*ah_resetTsf)(struct ath_hal*);
    802 	HAL_BOOL  __ahdecl(*ah_detectCardPresent)(struct ath_hal*);
    803 	void	  __ahdecl(*ah_updateMibCounters)(struct ath_hal*,
    804 				HAL_MIB_STATS*);
    805 	HAL_RFGAIN __ahdecl(*ah_getRfGain)(struct ath_hal*);
    806 	u_int	  __ahdecl(*ah_getDefAntenna)(struct ath_hal*);
    807 	void	  __ahdecl(*ah_setDefAntenna)(struct ath_hal*, u_int);
    808 	HAL_ANT_SETTING	 __ahdecl(*ah_getAntennaSwitch)(struct ath_hal*);
    809 	HAL_BOOL  __ahdecl(*ah_setAntennaSwitch)(struct ath_hal*,
    810 				HAL_ANT_SETTING);
    811 	HAL_BOOL  __ahdecl(*ah_setSifsTime)(struct ath_hal*, u_int);
    812 	u_int	  __ahdecl(*ah_getSifsTime)(struct ath_hal*);
    813 	HAL_BOOL  __ahdecl(*ah_setSlotTime)(struct ath_hal*, u_int);
    814 	u_int	  __ahdecl(*ah_getSlotTime)(struct ath_hal*);
    815 	HAL_BOOL  __ahdecl(*ah_setAckTimeout)(struct ath_hal*, u_int);
    816 	u_int	  __ahdecl(*ah_getAckTimeout)(struct ath_hal*);
    817 	HAL_BOOL  __ahdecl(*ah_setAckCTSRate)(struct ath_hal*, u_int);
    818 	u_int	  __ahdecl(*ah_getAckCTSRate)(struct ath_hal*);
    819 	HAL_BOOL  __ahdecl(*ah_setCTSTimeout)(struct ath_hal*, u_int);
    820 	u_int	  __ahdecl(*ah_getCTSTimeout)(struct ath_hal*);
    821 	HAL_BOOL  __ahdecl(*ah_setDecompMask)(struct ath_hal*, uint16_t, int);
    822 	void	  __ahdecl(*ah_setCoverageClass)(struct ath_hal*, uint8_t, int);
    823 
    824 	/* Key Cache Functions */
    825 	uint32_t __ahdecl(*ah_getKeyCacheSize)(struct ath_hal*);
    826 	HAL_BOOL  __ahdecl(*ah_resetKeyCacheEntry)(struct ath_hal*, uint16_t);
    827 	HAL_BOOL  __ahdecl(*ah_isKeyCacheEntryValid)(struct ath_hal *,
    828 				uint16_t);
    829 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntry)(struct ath_hal*,
    830 				uint16_t, const HAL_KEYVAL *,
    831 				const uint8_t *, int);
    832 	HAL_BOOL  __ahdecl(*ah_setKeyCacheEntryMac)(struct ath_hal*,
    833 				uint16_t, const uint8_t *);
    834 
    835 	/* Power Management Functions */
    836 	HAL_BOOL  __ahdecl(*ah_setPowerMode)(struct ath_hal*,
    837 				HAL_POWER_MODE mode, int setChip);
    838 	HAL_POWER_MODE __ahdecl(*ah_getPowerMode)(struct ath_hal*);
    839 	int16_t   __ahdecl(*ah_getChanNoise)(struct ath_hal *, HAL_CHANNEL *);
    840 
    841 	/* Beacon Management Functions */
    842 	void	  __ahdecl(*ah_setBeaconTimers)(struct ath_hal*,
    843 				const HAL_BEACON_TIMERS *);
    844 	/* NB: deprecated, use ah_setBeaconTimers instead */
    845 	void	  __ahdecl(*ah_beaconInit)(struct ath_hal *,
    846 				uint32_t nexttbtt, uint32_t intval);
    847 	void	  __ahdecl(*ah_setStationBeaconTimers)(struct ath_hal*,
    848 				const HAL_BEACON_STATE *);
    849 	void	  __ahdecl(*ah_resetStationBeaconTimers)(struct ath_hal*);
    850 
    851 	/* Interrupt functions */
    852 	HAL_BOOL  __ahdecl(*ah_isInterruptPending)(struct ath_hal*);
    853 	HAL_BOOL  __ahdecl(*ah_getPendingInterrupts)(struct ath_hal*, HAL_INT*);
    854 	HAL_INT	  __ahdecl(*ah_getInterrupts)(struct ath_hal*);
    855 	HAL_INT	  __ahdecl(*ah_setInterrupts)(struct ath_hal*, HAL_INT);
    856 };
    857 
    858 /*
    859  * Check the PCI vendor ID and device ID against Atheros' values
    860  * and return a printable description for any Atheros hardware.
    861  * AH_NULL is returned if the ID's do not describe Atheros hardware.
    862  */
    863 extern	const char *__ahdecl ath_hal_probe(uint16_t vendorid, uint16_t devid);
    864 
    865 /*
    866  * Attach the HAL for use with the specified device.  The device is
    867  * defined by the PCI device ID.  The caller provides an opaque pointer
    868  * to an upper-layer data structure (HAL_SOFTC) that is stored in the
    869  * HAL state block for later use.  Hardware register accesses are done
    870  * using the specified bus tag and handle.  On successful return a
    871  * reference to a state block is returned that must be supplied in all
    872  * subsequent HAL calls.  Storage associated with this reference is
    873  * dynamically allocated and must be freed by calling the ah_detach
    874  * method when the client is done.  If the attach operation fails a
    875  * null (AH_NULL) reference will be returned and a status code will
    876  * be returned if the status parameter is non-zero.
    877  */
    878 extern	struct ath_hal * __ahdecl ath_hal_attach(uint16_t devid, HAL_SOFTC,
    879 		HAL_BUS_TAG, HAL_BUS_HANDLE, HAL_STATUS* status);
    880 
    881 /*
    882  * Return a list of channels available for use with the hardware.
    883  * The list is based on what the hardware is capable of, the specified
    884  * country code, the modeSelect mask, and whether or not outdoor
    885  * channels are to be permitted.
    886  *
    887  * The channel list is returned in the supplied array.  maxchans
    888  * defines the maximum size of this array.  nchans contains the actual
    889  * number of channels returned.  If a problem occurred or there were
    890  * no channels that met the criteria then AH_FALSE is returned.
    891  */
    892 extern	HAL_BOOL __ahdecl ath_hal_init_channels(struct ath_hal *,
    893 		HAL_CHANNEL *chans, u_int maxchans, u_int *nchans,
    894 		uint8_t *regclassids, u_int maxregids, u_int *nregids,
    895 		HAL_CTRY_CODE cc, u_int modeSelect,
    896 		HAL_BOOL enableOutdoor, HAL_BOOL enableExtendedChannels);
    897 
    898 /*
    899  * Calibrate noise floor data following a channel scan or similar.
    900  * This must be called prior retrieving noise floor data.
    901  */
    902 extern	void __ahdecl ath_hal_process_noisefloor(struct ath_hal *ah);
    903 
    904 /*
    905  * Return bit mask of wireless modes supported by the hardware.
    906  */
    907 extern	u_int __ahdecl ath_hal_getwirelessmodes(struct ath_hal*, HAL_CTRY_CODE);
    908 
    909 /*
    910  * Calculate the transmit duration of a frame.
    911  */
    912 extern uint16_t __ahdecl ath_hal_computetxtime(struct ath_hal *,
    913 		const HAL_RATE_TABLE *rates, uint32_t frameLen,
    914 		uint16_t rateix, HAL_BOOL shortPreamble);
    915 
    916 /*
    917  * Return if device is public safety.
    918  */
    919 extern HAL_BOOL __ahdecl ath_hal_ispublicsafetysku(struct ath_hal *);
    920 
    921 /*
    922  * Return if device is operating in 900 MHz band.
    923  */
    924 extern HAL_BOOL ath_hal_isgsmsku(struct ath_hal *);
    925 
    926 /*
    927  * Convert between IEEE channel number and channel frequency
    928  * using the specified channel flags; e.g. CHANNEL_2GHZ.
    929  */
    930 extern	int __ahdecl ath_hal_mhz2ieee(struct ath_hal *, u_int mhz, u_int flags);
    931 #endif /* _ATH_AH_H_ */
    932