xref: /freebsd/sys/dev/bwn/if_bwnvar.h (revision aa24f48b361effe51163877d84f1b70d32b77e04)
1 /*-
2  * Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org>
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer,
10  *    without modification.
11  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
12  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
13  *    redistribution must be conditioned upon including a substantially
14  *    similar Disclaimer requirement for further binary redistribution.
15  *
16  * NO WARRANTY
17  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
18  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
19  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
20  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
21  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
22  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
24  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
25  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
26  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
27  * THE POSSIBILITY OF SUCH DAMAGES.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _IF_BWNVAR_H
33 #define	_IF_BWNVAR_H
34 
35 struct siba_dev_softc;
36 struct bwn_softc;
37 struct bwn_mac;
38 
39 #define	N(a)			(sizeof(a) / sizeof(a[0]))
40 #define	BWN_ALIGN			0x1000
41 #define	BWN_BUS_SPACE_MAXADDR_30BIT	0x3fffffff
42 #define	BWN_RETRY_SHORT			7
43 #define	BWN_RETRY_LONG			4
44 #define	BWN_STAID_MAX			64
45 #define	BWN_TXPWR_IGNORE_TIME		(1 << 0)
46 #define	BWN_TXPWR_IGNORE_TSSI		(1 << 1)
47 #define	BWN_HAS_TXMAG(phy)						\
48 	(((phy)->rev >= 2) && ((phy)->rf_ver == 0x2050) &&		\
49 	 ((phy)->rf_rev == 8))
50 #define	BWN_HAS_LOOPBACK(phy)						\
51 	(((phy)->rev > 1) || ((phy)->gmode))
52 #define	BWN_TXERROR_MAX			1000
53 #define	BWN_GETTIME(v)	do {						\
54 	struct timespec ts;						\
55 	nanouptime(&ts);						\
56 	(v) = ts.tv_nsec / 1000000 + ts.tv_sec * 1000;			\
57 } while (0)
58 #define	BWN_ISOLDFMT(mac)		((mac)->mac_fw.rev <= 351)
59 #define	BWN_TSSI2DBM(num, den)						\
60 	((int32_t)((num < 0) ? num / den : (num + den / 2) / den))
61 #define	BWN_HDRSIZE(mac)	bwn_tx_hdrsize(mac)
62 #define	BWN_MAXTXHDRSIZE	(112 + (sizeof(struct bwn_plcp6)))
63 
64 #define	BWN_PIO_COOKIE(tq, tp)						\
65 	((uint16_t)((((uint16_t)tq->tq_index + 1) << 12) | tp->tp_index))
66 #define	BWN_DMA_COOKIE(dr, slot)					\
67 	((uint16_t)(((uint16_t)dr->dr_index + 1) << 12) | (uint16_t)slot)
68 #define	BWN_READ_2(mac, o)		(siba_read_2(mac->mac_sc->sc_dev, o))
69 #define	BWN_READ_4(mac, o)		(siba_read_4(mac->mac_sc->sc_dev, o))
70 #define	BWN_WRITE_2(mac, o, v)						\
71 	(siba_write_2(mac->mac_sc->sc_dev, o, v))
72 #define	BWN_WRITE_2_F(mac, o, v) do { \
73 	(BWN_WRITE_2(mac, o, v)); \
74 	BWN_READ_2(mac, o); \
75 } while(0)
76 #define	BWN_WRITE_SETMASK2(mac, offset, mask, set)			\
77 	BWN_WRITE_2(mac, offset, (BWN_READ_2(mac, offset) & mask) | set)
78 #define	BWN_WRITE_4(mac, o, v)						\
79 	(siba_write_4(mac->mac_sc->sc_dev, o, v))
80 #define	BWN_WRITE_SETMASK4(mac, offset, mask, set)			\
81 	BWN_WRITE_4(mac, offset, (BWN_READ_4(mac, offset) & mask) | set)
82 #define	BWN_PIO_TXQOFFSET(mac)						\
83 	((siba_get_revid(mac->mac_sc->sc_dev) >= 11) ? 0x18 : 0)
84 #define	BWN_PIO_RXQOFFSET(mac)						\
85 	((siba_get_revid(mac->mac_sc->sc_dev) >= 11) ? 0x38 : 8)
86 #define	BWN_SEC_NEWAPI(mac)		(mac->mac_fw.rev >= 351)
87 #define	BWN_SEC_KEY2FW(mac, idx)					\
88 	(BWN_SEC_NEWAPI(mac) ? idx : ((idx >= 4) ? idx - 4 : idx))
89 #define	BWN_RF_READ(mac, r)		(mac->mac_phy.rf_read(mac, r))
90 #define	BWN_RF_WRITE(mac, r, v)		(mac->mac_phy.rf_write(mac, r, v))
91 #define	BWN_RF_MASK(mac, o, m)						\
92 	BWN_RF_WRITE(mac, o, BWN_RF_READ(mac, o) & m)
93 #define	BWN_RF_SETMASK(mac, offset, mask, set)				\
94 	BWN_RF_WRITE(mac, offset, (BWN_RF_READ(mac, offset) & mask) | set)
95 #define	BWN_RF_SET(mac, offset, set)					\
96 	BWN_RF_WRITE(mac, offset, BWN_RF_READ(mac, offset) | set)
97 #define	BWN_PHY_READ(mac, r)		(mac->mac_phy.phy_read(mac, r))
98 #define	BWN_PHY_WRITE(mac, r, v)					\
99 	(mac->mac_phy.phy_write(mac, r, v))
100 #define	BWN_PHY_SET(mac, offset, set)	do {				\
101 	if (mac->mac_phy.phy_maskset != NULL) {				\
102 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
103 		    mac->mac_suspended > 0,				\
104 		    ("dont access PHY or RF registers after turning on MAC")); \
105 		mac->mac_phy.phy_maskset(mac, offset, 0xffff, set);	\
106 	} else								\
107 		BWN_PHY_WRITE(mac, offset,				\
108 		    BWN_PHY_READ(mac, offset) | (set));			\
109 } while (0)
110 #define	BWN_PHY_SETMASK(mac, offset, mask, set)	do {			\
111 	if (mac->mac_phy.phy_maskset != NULL) {				\
112 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
113 		    mac->mac_suspended > 0,				\
114 		    ("dont access PHY or RF registers after turning on MAC")); \
115 		mac->mac_phy.phy_maskset(mac, offset, mask, set);	\
116 	} else								\
117 		BWN_PHY_WRITE(mac, offset,				\
118 		    (BWN_PHY_READ(mac, offset) & (mask)) | (set));	\
119 } while (0)
120 #define	BWN_PHY_MASK(mac, offset, mask)	do {				\
121 	if (mac->mac_phy.phy_maskset != NULL) {				\
122 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
123 		    mac->mac_suspended > 0,				\
124 		    ("dont access PHY or RF registers after turning on MAC")); \
125 		mac->mac_phy.phy_maskset(mac, offset, mask, 0);		\
126 	} else								\
127 		BWN_PHY_WRITE(mac, offset,				\
128 		    BWN_PHY_READ(mac, offset) & mask);			\
129 } while (0)
130 #define	BWN_PHY_COPY(mac, dst, src)	do {				\
131 	KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||		\
132 	    mac->mac_suspended > 0,					\
133 	    ("dont access PHY or RF registers after turning on MAC"));	\
134 	BWN_PHY_WRITE(mac, dst, BWN_PHY_READ(mac, src));		\
135 } while (0)
136 #define BWN_LO_CALIB_EXPIRE		(1000 * (30 - 2))
137 #define BWN_LO_PWRVEC_EXPIRE		(1000 * (30 - 2))
138 #define BWN_LO_TXCTL_EXPIRE		(1000 * (180 - 4))
139 #define	BWN_DMA_BIT_MASK(n)		(((n) == 64) ? ~0ULL : ((1ULL<<(n))-1))
140 #define BWN_LPD(L, P, D)		(((L) << 2) | ((P) << 1) | ((D) << 0))
141 #define BWN_BITREV4(tmp)		(BWN_BITREV8(tmp) >> 4)
142 #define	BWN_BITREV8(byte)		(bwn_bitrev_table[byte])
143 #define	BWN_BBATTCMP(a, b)		((a)->att == (b)->att)
144 #define	BWN_RFATTCMP(a, b)						\
145 	(((a)->att == (b)->att) && ((a)->padmix == (b)->padmix))
146 #define	BWN_PIO_WRITE_2(mac, tq, offset, value)				\
147 	BWN_WRITE_2(mac, (tq)->tq_base + offset, value)
148 #define	BWN_PIO_READ_4(mac, tq, offset)					\
149 	BWN_READ_4(mac, tq->tq_base + offset)
150 #define	BWN_ISCCKRATE(rate)						\
151 	(rate == BWN_CCK_RATE_1MB || rate == BWN_CCK_RATE_2MB ||	\
152 	 rate == BWN_CCK_RATE_5MB || rate == BWN_CCK_RATE_11MB)
153 #define	BWN_ISOFDMRATE(rate)		(!BWN_ISCCKRATE(rate))
154 #define	BWN_BARRIER(mac, flags)		siba_barrier(mac->mac_sc->sc_dev, flags)
155 #define	BWN_DMA_READ(dr, offset)				\
156 	(BWN_READ_4(dr->dr_mac, dr->dr_base + offset))
157 #define	BWN_DMA_WRITE(dr, offset, value)			\
158 	(BWN_WRITE_4(dr->dr_mac, dr->dr_base + offset, value))
159 
160 
161 typedef enum {
162 	BWN_PHY_BAND_2G = 0,
163 	BWN_PHY_BAND_5G_LO = 1,
164 	BWN_PHY_BAND_5G_MI = 2,
165 	BWN_PHY_BAND_5G_HI = 3
166 } bwn_phy_band_t;
167 
168 typedef enum {
169 	BWN_BAND_2G,
170 	BWN_BAND_5G,
171 } bwn_band_t;
172 
173 typedef enum {
174 	BWN_CHAN_TYPE_20,
175 	BWN_CHAN_TYPE_20_HT,
176 	BWN_CHAN_TYPE_40_HT_U,
177 	BWN_CHAN_TYPE_40_HT_D,
178 } bwn_chan_type_t;
179 
180 struct bwn_rate {
181 	uint16_t			rateid;
182 	uint32_t			flags;
183 };
184 
185 #define	BWN_ANT0			0
186 #define	BWN_ANT1			1
187 #define	BWN_ANTAUTO0			2
188 #define	BWN_ANTAUTO1			3
189 #define	BWN_ANT2			4
190 #define	BWN_ANT3			8
191 #define	BWN_ANTAUTO			BWN_ANTAUTO0
192 #define	BWN_ANT_DEFAULT			BWN_ANTAUTO
193 #define	BWN_TX_SLOTS_PER_FRAME		2
194 
195 struct bwn_channel {
196 	unsigned			freq;
197 	unsigned			ieee;
198 	unsigned			maxTxPow;
199 };
200 
201 struct bwn_channelinfo {
202 	struct bwn_channel		channels[IEEE80211_CHAN_MAX];
203 	unsigned			nchannels;
204 };
205 
206 struct bwn_bbatt {
207 	uint8_t				att;
208 };
209 
210 struct bwn_bbatt_list {
211 	const struct bwn_bbatt		*array;
212 	uint8_t				len;
213 	uint8_t				min;
214 	uint8_t				max;
215 };
216 
217 struct bwn_rfatt {
218 	uint8_t				att;
219 	int				padmix;
220 };
221 
222 struct bwn_rfatt_list {
223 	const struct bwn_rfatt		*array;
224 	uint8_t				len;
225 	uint8_t				min;
226 	uint8_t				max;
227 };
228 
229 #define	BWN_DC_LT_SIZE			32
230 
231 struct bwn_loctl {
232 	int8_t				i;
233 	int8_t				q;
234 };
235 
236 typedef enum {
237 	BWN_TXPWR_RES_NEED_ADJUST,
238 	BWN_TXPWR_RES_DONE,
239 } bwn_txpwr_result_t;
240 
241 struct bwn_lo_calib {
242 	struct bwn_bbatt		bbatt;
243 	struct bwn_rfatt		rfatt;
244 	struct bwn_loctl		ctl;
245 	unsigned long			calib_time;
246 	TAILQ_ENTRY(bwn_lo_calib)	list;
247 };
248 
249 struct bwn_rxhdr4 {
250 	uint16_t			frame_len;
251 	uint8_t				pad1[2];
252 	uint16_t			phy_status0;
253 	union {
254 		struct {
255 			uint8_t		rssi;
256 			uint8_t		sig_qual;
257 		} __packed abg;
258 		struct {
259 			int8_t		power0;
260 			int8_t		power1;
261 		} __packed n;
262 	} __packed phy;
263 	union {
264 		struct {
265 			int8_t		power2;
266 			uint8_t		pad;
267 		} __packed n;
268 		struct {
269 			uint8_t		pad;
270 			int8_t		ht_power0;
271 		} __packed ht;
272 		uint16_t		phy_status2;
273 	} __packed ps2;
274 	union {
275 		struct {
276 			uint16_t	phy_status3;
277 		} __packed lp;
278 		struct {
279 			int8_t		phy_ht_power1;
280 			int8_t		phy_ht_power2;
281 		} __packed ht;
282 	} __packed ps3;
283 	union {
284 		struct {
285 			uint32_t	mac_status;
286 			uint16_t	mac_time;
287 			uint16_t	channel;
288 		} __packed r351;
289 		struct {
290 			uint16_t	phy_status4;
291 			uint16_t	phy_status5;
292 			uint32_t	mac_status;
293 			uint16_t	mac_time;
294 			uint16_t	channel;
295 		} __packed r598;
296 	} __packed ps4;
297 } __packed;
298 
299 struct bwn_txstatus {
300 	uint16_t			cookie;
301 	uint16_t			seq;
302 	uint8_t				phy_stat;
303 	uint8_t				framecnt;
304 	uint8_t				rtscnt;
305 	uint8_t				sreason;
306 	uint8_t				pm;
307 	uint8_t				im;
308 	uint8_t				ampdu;
309 	uint8_t				ack;
310 };
311 
312 #define	BWN_TXCTL_PA3DB			0x40
313 #define	BWN_TXCTL_PA2DB			0x20
314 #define	BWN_TXCTL_TXMIX			0x10
315 
316 struct bwn_txpwr_loctl {
317 	struct bwn_rfatt_list		rfatt;
318 	struct bwn_bbatt_list		bbatt;
319 	uint16_t			dc_lt[BWN_DC_LT_SIZE];
320 	TAILQ_HEAD(, bwn_lo_calib)	calib_list;
321 	unsigned long			pwr_vec_read_time;
322 	unsigned long			txctl_measured_time;
323 	uint8_t				tx_bias;
324 	uint8_t				tx_magn;
325 	uint64_t			power_vector;
326 };
327 
328 #define	BWN_OFDMTAB_DIR_UNKNOWN		0
329 #define	BWN_OFDMTAB_DIR_READ		1
330 #define	BWN_OFDMTAB_DIR_WRITE		2
331 
332 struct bwn_phy_g {
333 	unsigned			pg_flags;
334 #define	BWN_PHY_G_FLAG_TSSITABLE_ALLOC	(1 << 0)
335 #define	BWN_PHY_G_FLAG_RADIOCTX_VALID	(1 << 1)
336 	int				pg_aci_enable;
337 	int				pg_aci_wlan_automatic;
338 	int				pg_aci_hw_rssi;
339 	int				pg_rf_on;
340 	uint16_t			pg_radioctx_over;
341 	uint16_t			pg_radioctx_overval;
342 	uint16_t			pg_minlowsig[2];
343 	uint16_t			pg_minlowsigpos[2];
344 	int8_t				*pg_tssi2dbm;
345 	int				pg_idletssi;
346 	int				pg_curtssi;
347 	uint8_t				pg_avgtssi;
348 	struct bwn_bbatt		pg_bbatt;
349 	struct bwn_rfatt		pg_rfatt;
350 	uint8_t				pg_txctl;
351 	int				pg_bbatt_delta;
352 	int				pg_rfatt_delta;
353 
354 	struct bwn_txpwr_loctl		pg_loctl;
355 	int16_t				pg_max_lb_gain;
356 	int16_t				pg_trsw_rx_gain;
357 	int16_t				pg_lna_lod_gain;
358 	int16_t				pg_lna_gain;
359 	int16_t				pg_pga_gain;
360 	int				pg_immode;
361 #define	BWN_INTERFSTACK_SIZE	26
362 	uint32_t			pg_interfstack[BWN_INTERFSTACK_SIZE];
363 
364 	int16_t				pg_nrssi[2];
365 	int32_t				pg_nrssi_slope;
366 	int8_t				pg_nrssi_lt[64];
367 
368 	uint16_t			pg_lofcal;
369 
370 	uint16_t			pg_initval;
371 	uint16_t			pg_ofdmtab_addr;
372 	unsigned			pg_ofdmtab_dir;
373 };
374 
375 #define	BWN_IMMODE_NONE			0
376 #define	BWN_IMMODE_NONWLAN		1
377 #define	BWN_IMMODE_MANUAL		2
378 #define	BWN_IMMODE_AUTO			3
379 
380 #define	BWN_PHYLP_TXPCTL_UNKNOWN	0
381 #define	BWN_PHYLP_TXPCTL_OFF		1
382 #define	BWN_PHYLP_TXPCTL_ON_SW		2
383 #define	BWN_PHYLP_TXPCTL_ON_HW		3
384 
385 struct bwn_phy_lp {
386 	uint8_t				plp_chan;
387 	uint8_t				plp_chanfullcal;
388 	int32_t				plp_antenna;
389 	uint8_t				plp_txpctlmode;
390 	uint8_t				plp_txisoband_h;
391 	uint8_t				plp_txisoband_m;
392 	uint8_t				plp_txisoband_l;
393 	uint8_t				plp_rxpwroffset;
394 	int8_t				plp_txpwridx;
395 	uint16_t			plp_tssiidx;
396 	uint16_t			plp_tssinpt;
397 	uint8_t				plp_rssivf;
398 	uint8_t				plp_rssivc;
399 	uint8_t				plp_rssigs;
400 	uint8_t				plp_rccap;
401 	uint8_t				plp_bxarch;
402 	uint8_t				plp_crsusr_off;
403 	uint8_t				plp_crssys_off;
404 	uint32_t			plp_div;
405 	int32_t				plp_tonefreq;
406 	uint16_t			plp_digfilt[9];
407 };
408 
409 /* for LP */
410 struct bwn_txgain {
411 	uint16_t			tg_gm;
412 	uint16_t			tg_pga;
413 	uint16_t			tg_pad;
414 	uint16_t			tg_dac;
415 };
416 
417 struct bwn_rxcompco {
418 	uint8_t				rc_chan;
419 	int8_t				rc_c1;
420 	int8_t				rc_c0;
421 };
422 
423 struct bwn_phy_lp_iq_est {
424 	uint32_t			ie_iqprod;
425 	uint32_t			ie_ipwr;
426 	uint32_t			ie_qpwr;
427 };
428 
429 struct bwn_txgain_entry {
430 	uint8_t				te_gm;
431 	uint8_t				te_pga;
432 	uint8_t				te_pad;
433 	uint8_t				te_dac;
434 	uint8_t				te_bbmult;
435 };
436 
437 /* only for LP PHY */
438 struct bwn_stxtable {
439 	uint16_t			st_phyoffset;
440 	uint16_t			st_physhift;
441 	uint16_t			st_rfaddr;
442 	uint16_t			st_rfshift;
443 	uint16_t			st_mask;
444 };
445 
446 struct bwn_b206x_chan {
447 	uint8_t				bc_chan;
448 	uint16_t			bc_freq;
449 	const uint8_t			*bc_data;
450 };
451 
452 struct bwn_b206x_rfinit_entry {
453 	uint16_t			br_offset;
454 	uint16_t			br_valuea;
455 	uint16_t			br_valueg;
456 	uint8_t				br_flags;
457 };
458 
459 struct bwn_phy_n;
460 
461 struct bwn_phy {
462 	uint8_t				type;
463 	uint8_t				rev;
464 	uint8_t				analog;
465 
466 	int				supports_2ghz;
467 	int				supports_5ghz;
468 
469 	int				gmode;
470 	struct bwn_phy_g		phy_g;
471 	struct bwn_phy_lp		phy_lp;
472 
473 	/*
474 	 * I'd like the newer PHY code to not hide in the top-level
475 	 * structs..
476 	 */
477 	struct bwn_phy_n		*phy_n;
478 
479 	uint16_t			rf_manuf;
480 	uint16_t			rf_ver;
481 	uint8_t				rf_rev;
482 	int				rf_on;
483 	int				phy_do_full_init;
484 
485 	int				txpower;
486 	int				hwpctl;
487 	unsigned long			nexttime;
488 	unsigned int			chan;
489 	int				txerrors;
490 
491 	int				(*attach)(struct bwn_mac *);
492 	void				(*detach)(struct bwn_mac *);
493 	int				(*prepare_hw)(struct bwn_mac *);
494 	void				(*init_pre)(struct bwn_mac *);
495 	int				(*init)(struct bwn_mac *);
496 	void				(*exit)(struct bwn_mac *);
497 	uint16_t			(*phy_read)(struct bwn_mac *, uint16_t);
498 	void				(*phy_write)(struct bwn_mac *, uint16_t,
499 					    uint16_t);
500 	void				(*phy_maskset)(struct bwn_mac *,
501 					    uint16_t, uint16_t, uint16_t);
502 	uint16_t			(*rf_read)(struct bwn_mac *, uint16_t);
503 	void				(*rf_write)(struct bwn_mac *, uint16_t,
504 					    uint16_t);
505 	int				(*use_hwpctl)(struct bwn_mac *);
506 	void				(*rf_onoff)(struct bwn_mac *, int);
507 	void				(*switch_analog)(struct bwn_mac *, int);
508 	int				(*switch_channel)(struct bwn_mac *,
509 					    unsigned int);
510 	uint32_t			(*get_default_chan)(struct bwn_mac *);
511 	void				(*set_antenna)(struct bwn_mac *, int);
512 	int				(*set_im)(struct bwn_mac *, int);
513 	bwn_txpwr_result_t		(*recalc_txpwr)(struct bwn_mac *, int);
514 	void				(*set_txpwr)(struct bwn_mac *);
515 	void				(*task_15s)(struct bwn_mac *);
516 	void				(*task_60s)(struct bwn_mac *);
517 };
518 
519 struct bwn_chan_band {
520 	uint32_t			flags;
521 	uint8_t				nchan;
522 #define	BWN_MAX_CHAN_PER_BAND		14
523 	uint8_t				chan[BWN_MAX_CHAN_PER_BAND];
524 };
525 
526 #define	BWN_NR_WMEPARAMS		16
527 enum {
528 	BWN_WMEPARAM_TXOP = 0,
529 	BWN_WMEPARAM_CWMIN,
530 	BWN_WMEPARAM_CWMAX,
531 	BWN_WMEPARAM_CWCUR,
532 	BWN_WMEPARAM_AIFS,
533 	BWN_WMEPARAM_BSLOTS,
534 	BWN_WMEPARAM_REGGAP,
535 	BWN_WMEPARAM_STATUS,
536 };
537 
538 #define	BWN_WME_PARAMS(queue)	\
539 	(BWN_SHARED_EDCFQ + (BWN_NR_WMEPARAMS * sizeof(uint16_t) * (queue)))
540 #define	BWN_WME_BACKGROUND	BWN_WME_PARAMS(0)
541 #define	BWN_WME_BESTEFFORT	BWN_WME_PARAMS(1)
542 #define	BWN_WME_VIDEO		BWN_WME_PARAMS(2)
543 #define	BWN_WME_VOICE		BWN_WME_PARAMS(3)
544 
545 /*
546  * Radio capture format.
547  */
548 #define	BWN_RX_RADIOTAP_PRESENT (		\
549 	(1 << IEEE80211_RADIOTAP_TSFT)		| \
550 	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
551 	(1 << IEEE80211_RADIOTAP_RATE)		| \
552 	(1 << IEEE80211_RADIOTAP_CHANNEL)	| \
553 	(1 << IEEE80211_RADIOTAP_ANTENNA)	| \
554 	(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)	| \
555 	(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)	| \
556 	0)
557 
558 struct bwn_rx_radiotap_header {
559 	struct ieee80211_radiotap_header wr_ihdr;
560 	uint64_t			wr_tsf;
561 	u_int8_t			wr_flags;
562 	u_int8_t			wr_rate;
563 	u_int16_t			wr_chan_freq;
564 	u_int16_t			wr_chan_flags;
565 	int8_t				wr_antsignal;
566 	int8_t				wr_antnoise;
567 	u_int8_t			wr_antenna;
568 };
569 
570 #define	BWN_TX_RADIOTAP_PRESENT (		\
571 	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
572 	(1 << IEEE80211_RADIOTAP_RATE)		| \
573 	(1 << IEEE80211_RADIOTAP_CHANNEL)	| \
574 	(1 << IEEE80211_RADIOTAP_DBM_TX_POWER)	| \
575 	(1 << IEEE80211_RADIOTAP_ANTENNA)	| \
576 	0)
577 
578 struct bwn_tx_radiotap_header {
579 	struct ieee80211_radiotap_header wt_ihdr;
580 	u_int8_t			wt_flags;
581 	u_int8_t			wt_rate;
582 	u_int16_t			wt_chan_freq;
583 	u_int16_t			wt_chan_flags;
584 	u_int8_t			wt_txpower;
585 	u_int8_t			wt_antenna;
586 };
587 
588 struct bwn_stats {
589 	int32_t				rtsfail;
590 	int32_t				rts;
591 	int32_t				link_noise;
592 };
593 
594 /* Noise Calculation (Link Quality) */
595 struct bwn_noise {
596 	uint8_t				noi_running;
597 	uint8_t				noi_nsamples;
598 	int8_t				noi_samples[8][4];
599 };
600 
601 #define	BWN_DMA_30BIT			30
602 #define	BWN_DMA_32BIT			32
603 #define	BWN_DMA_64BIT			64
604 
605 struct bwn_dmadesc_meta {
606 	bus_dmamap_t			mt_dmap;
607 	bus_addr_t			mt_paddr;
608 	struct mbuf			*mt_m;
609 	struct ieee80211_node		*mt_ni;
610 	uint8_t				mt_txtype;
611 #define	BWN_DMADESC_METATYPE_HEADER	0
612 #define	BWN_DMADESC_METATYPE_BODY	1
613 	uint8_t				mt_islast;
614 };
615 
616 #define	BWN_DMAINTR_FATALMASK	\
617 	((1 << 10) | (1 << 11) | (1 << 12) | (1 << 14) | (1 << 15))
618 #define	BWN_DMAINTR_NONFATALMASK	(1 << 13)
619 #define	BWN_DMAINTR_RX_DONE		(1 << 16)
620 
621 #define	BWN_DMA32_DCTL_BYTECNT		0x00001fff
622 #define	BWN_DMA32_DCTL_ADDREXT_MASK	0x00030000
623 #define	BWN_DMA32_DCTL_ADDREXT_SHIFT	16
624 #define	BWN_DMA32_DCTL_DTABLEEND	0x10000000
625 #define	BWN_DMA32_DCTL_IRQ		0x20000000
626 #define	BWN_DMA32_DCTL_FRAMEEND		0x40000000
627 #define	BWN_DMA32_DCTL_FRAMESTART	0x80000000
628 struct bwn_dmadesc32 {
629 	uint32_t			control;
630 	uint32_t			address;
631 } __packed;
632 
633 #define	BWN_DMA64_DCTL0_DTABLEEND	0x10000000
634 #define	BWN_DMA64_DCTL0_IRQ		0x20000000
635 #define	BWN_DMA64_DCTL0_FRAMEEND	0x40000000
636 #define	BWN_DMA64_DCTL0_FRAMESTART	0x80000000
637 #define	BWN_DMA64_DCTL1_BYTECNT		0x00001fff
638 #define	BWN_DMA64_DCTL1_ADDREXT_MASK	0x00030000
639 #define	BWN_DMA64_DCTL1_ADDREXT_SHIFT	16
640 struct bwn_dmadesc64 {
641 	uint32_t			control0;
642 	uint32_t			control1;
643 	uint32_t			address_low;
644 	uint32_t			address_high;
645 } __packed;
646 
647 struct bwn_dmadesc_generic {
648 	union {
649 		struct bwn_dmadesc32 dma32;
650 		struct bwn_dmadesc64 dma64;
651 	} __packed dma;
652 } __packed;
653 
654 struct bwn_dma_ring;
655 
656 struct bwn_dma_ring {
657 	struct bwn_mac			*dr_mac;
658 	const struct bwn_dma_ops	*dr_ops;
659 	struct bwn_dmadesc_meta		*dr_meta;
660 	void				*dr_txhdr_cache;
661 	bus_dma_tag_t			dr_ring_dtag;
662 	bus_dma_tag_t			dr_txring_dtag;
663 	bus_dmamap_t			dr_spare_dmap; /* only for RX */
664 	bus_dmamap_t			dr_ring_dmap;
665 	bus_addr_t			dr_txring_paddr;
666 	void				*dr_ring_descbase;
667 	bus_addr_t			dr_ring_dmabase;
668 	int				dr_numslots;
669 	int				dr_usedslot;
670 	int				dr_curslot;
671 	uint32_t			dr_frameoffset;
672 	uint16_t			dr_rx_bufsize;
673 	uint16_t			dr_base;
674 	int				dr_index;
675 	uint8_t				dr_tx;
676 	uint8_t				dr_stop;
677 	int				dr_type;
678 
679 	void				(*getdesc)(struct bwn_dma_ring *,
680 					    int, struct bwn_dmadesc_generic **,
681 					    struct bwn_dmadesc_meta **);
682 	void				(*setdesc)(struct bwn_dma_ring *,
683 					    struct bwn_dmadesc_generic *,
684 					    bus_addr_t, uint16_t, int, int,
685 					    int);
686 	void				(*start_transfer)(struct bwn_dma_ring *,
687 					    int);
688 	void				(*suspend)(struct bwn_dma_ring *);
689 	void				(*resume)(struct bwn_dma_ring *);
690 	int				(*get_curslot)(struct bwn_dma_ring *);
691 	void				(*set_curslot)(struct bwn_dma_ring *,
692 					    int);
693 };
694 
695 struct bwn_dma {
696 	int				dmatype;
697 	bus_dma_tag_t			parent_dtag;
698 	bus_dma_tag_t			rxbuf_dtag;
699 	bus_dma_tag_t			txbuf_dtag;
700 
701 	struct bwn_dma_ring		*wme[5];
702 	struct bwn_dma_ring		*mcast;
703 	struct bwn_dma_ring		*rx;
704 	uint64_t			lastseq;	/* XXX FIXME */
705 };
706 
707 struct bwn_pio_rxqueue {
708 	struct bwn_mac			*prq_mac;
709 	uint16_t			prq_base;
710 	uint8_t				prq_rev;
711 };
712 
713 struct bwn_pio_txqueue;
714 struct bwn_pio_txpkt {
715 	struct bwn_pio_txqueue		*tp_queue;
716 	struct ieee80211_node		*tp_ni;
717 	struct mbuf			*tp_m;
718 	uint8_t				tp_index;
719 	TAILQ_ENTRY(bwn_pio_txpkt)	tp_list;
720 };
721 
722 #define	BWN_PIO_MAX_TXPACKETS		32
723 struct bwn_pio_txqueue {
724 	uint16_t			tq_base;
725 	uint16_t			tq_size;
726 	uint16_t			tq_used;
727 	uint16_t			tq_free;
728 	uint8_t				tq_index;
729 	struct bwn_pio_txpkt		tq_pkts[BWN_PIO_MAX_TXPACKETS];
730 	TAILQ_HEAD(, bwn_pio_txpkt)	tq_pktlist;
731 };
732 
733 struct bwn_pio {
734 	struct bwn_pio_txqueue		wme[5];
735 	struct bwn_pio_txqueue		mcast;
736 	struct bwn_pio_rxqueue		rx;
737 };
738 
739 struct bwn_plcp4 {
740 	union {
741 		uint32_t		data;
742 		uint8_t			raw[4];
743 	} __packed o;
744 } __packed;
745 
746 struct bwn_plcp6 {
747 	union {
748 		uint32_t		data;
749 		uint8_t			raw[6];
750 	} __packed o;
751 } __packed;
752 
753 struct bwn_txhdr {
754 	uint32_t			macctl;
755 	uint8_t				macfc[2];
756 	uint16_t			tx_festime;
757 	uint16_t			phyctl;
758 	uint16_t			phyctl_1;
759 	uint16_t			phyctl_1fb;
760 	uint16_t			phyctl_1rts;
761 	uint16_t			phyctl_1rtsfb;
762 	uint8_t				phyrate;
763 	uint8_t				phyrate_rts;
764 	uint8_t				eftypes;	/* extra frame types */
765 	uint8_t				chan;
766 	uint8_t				iv[16];
767 	uint8_t				addr1[IEEE80211_ADDR_LEN];
768 	uint16_t			tx_festime_fb;
769 	struct bwn_plcp6		rts_plcp_fb;
770 	uint16_t			rts_dur_fb;
771 	struct bwn_plcp6		plcp_fb;
772 	uint16_t			dur_fb;
773 	uint16_t			mimo_modelen;
774 	uint16_t			mimo_ratelen_fb;
775 	uint32_t			timeout;
776 
777 	union {
778 		/* format <= r351 */
779 		struct {
780 			uint8_t		pad0[2];
781 			uint16_t	cookie;
782 			uint16_t	tx_status;
783 			struct bwn_plcp6	rts_plcp;
784 			uint8_t		rts_frame[16];
785 			uint8_t		pad1[2];
786 			struct bwn_plcp6	plcp;
787 		} __packed r351;
788 		/* format > r410 < r598 */
789 		struct {
790 			uint16_t	mimo_antenna;
791 			uint16_t	preload_size;
792 			uint8_t		pad0[2];
793 			uint16_t	cookie;
794 			uint16_t	tx_status;
795 			struct bwn_plcp6	rts_plcp;
796 			uint8_t		rts_frame[16];
797 			uint8_t		pad1[2];
798 			struct bwn_plcp6	plcp;
799 		} __packed r410;
800 		struct {
801 			uint16_t	mimo_antenna;
802 			uint16_t	preload_size;
803 			uint8_t		pad0[2];
804 			uint16_t	cookie;
805 			uint16_t	tx_status;
806 			uint16_t	max_n_mpdus;
807 			uint16_t	max_a_bytes_mrt;
808 			uint16_t	max_a_bytes_fbr;
809 			uint16_t	min_m_bytes;
810 			struct bwn_plcp6	rts_plcp;
811 			uint8_t		rts_frame[16];
812 			uint8_t		pad1[2];
813 			struct bwn_plcp6	plcp;
814 		} __packed r598;
815 	} __packed body;
816 } __packed;
817 
818 #define	BWN_FWTYPE_UCODE		'u'
819 #define	BWN_FWTYPE_PCM			'p'
820 #define	BWN_FWTYPE_IV			'i'
821 struct bwn_fwhdr {
822 	uint8_t				type;
823 	uint8_t				ver;
824 	uint8_t				pad[2];
825 	uint32_t			size;
826 } __packed;
827 
828 #define	BWN_FWINITVALS_OFFSET_MASK	0x7fff
829 #define	BWN_FWINITVALS_32BIT		0x8000
830 struct bwn_fwinitvals {
831 	uint16_t			offset_size;
832 	union {
833 		uint16_t		d16;
834 		uint32_t		d32;
835 	} __packed data;
836 } __packed;
837 
838 enum bwn_fw_hdr_format {
839 	BWN_FW_HDR_598,
840 	BWN_FW_HDR_410,
841 	BWN_FW_HDR_351,
842 };
843 
844 enum bwn_fwtype {
845 	BWN_FWTYPE_DEFAULT,
846 	BWN_FWTYPE_OPENSOURCE,
847 	BWN_NR_FWTYPES,
848 };
849 
850 struct bwn_fwfile {
851 	const char			*filename;
852 	const struct firmware		*fw;
853 	enum bwn_fwtype			type;
854 };
855 
856 struct bwn_key {
857 	void				*keyconf;
858 	uint8_t				algorithm;
859 };
860 
861 struct bwn_fw {
862 	struct bwn_fwfile		ucode;
863 	struct bwn_fwfile		pcm;
864 	struct bwn_fwfile		initvals;
865 	struct bwn_fwfile		initvals_band;
866 	enum bwn_fw_hdr_format		fw_hdr_format;
867 
868 	uint16_t			rev;
869 	uint16_t			patch;
870 	uint8_t				opensource;
871 	uint8_t				no_pcmfile;
872 };
873 
874 struct bwn_lo_g_sm {
875 	int				curstate;
876 	int				nmeasure;
877 	int				multipler;
878 	uint16_t			feedth;
879 	struct bwn_loctl		loctl;
880 };
881 
882 struct bwn_lo_g_value {
883 	uint8_t				old_channel;
884 	uint16_t			phy_lomask;
885 	uint16_t			phy_extg;
886 	uint16_t			phy_dacctl_hwpctl;
887 	uint16_t			phy_dacctl;
888 	uint16_t			phy_hpwr_tssictl;
889 	uint16_t			phy_analogover;
890 	uint16_t			phy_analogoverval;
891 	uint16_t			phy_rfover;
892 	uint16_t			phy_rfoverval;
893 	uint16_t			phy_classctl;
894 	uint16_t			phy_crs0;
895 	uint16_t			phy_pgactl;
896 	uint16_t			phy_syncctl;
897 	uint16_t			phy_cck0;
898 	uint16_t			phy_cck1;
899 	uint16_t			phy_cck2;
900 	uint16_t			phy_cck3;
901 	uint16_t			phy_cck4;
902 	uint16_t			reg0;
903 	uint16_t			reg1;
904 	uint16_t			rf0;
905 	uint16_t			rf1;
906 	uint16_t			rf2;
907 };
908 
909 #define	BWN_LED_MAX			4
910 
911 #define	BWN_LED_EVENT_NONE		-1
912 #define	BWN_LED_EVENT_POLL		0
913 #define	BWN_LED_EVENT_TX		1
914 #define	BWN_LED_EVENT_RX		2
915 #define	BWN_LED_SLOWDOWN(dur)		(dur) = (((dur) * 3) / 2)
916 
917 struct bwn_led {
918 	uint8_t				led_flags;	/* BWN_LED_F_ */
919 	uint8_t				led_act;	/* BWN_LED_ACT_ */
920 	uint8_t				led_mask;
921 };
922 
923 #define	BWN_LED_F_ACTLOW		0x1
924 #define	BWN_LED_F_BLINK			0x2
925 #define	BWN_LED_F_POLLABLE		0x4
926 #define	BWN_LED_F_SLOW			0x8
927 
928 struct bwn_mac {
929 	struct bwn_softc		*mac_sc;
930 	unsigned			mac_status;
931 #define	BWN_MAC_STATUS_UNINIT		0
932 #define	BWN_MAC_STATUS_INITED		1
933 #define	BWN_MAC_STATUS_STARTED		2
934 	unsigned			mac_flags;
935 	/* use "Bad Frames Preemption" */
936 #define	BWN_MAC_FLAG_BADFRAME_PREEMP	(1 << 0)
937 #define	BWN_MAC_FLAG_DFQVALID		(1 << 1)
938 #define	BWN_MAC_FLAG_RADIO_ON		(1 << 2)
939 #define	BWN_MAC_FLAG_DMA		(1 << 3)
940 #define	BWN_MAC_FLAG_WME		(1 << 4)
941 #define	BWN_MAC_FLAG_HWCRYPTO		(1 << 5)
942 
943 	struct resource_spec		*mac_intr_spec;
944 #define	BWN_MSI_MESSAGES		1
945 	struct resource			*mac_res_irq[BWN_MSI_MESSAGES];
946 	void				*mac_intrhand[BWN_MSI_MESSAGES];
947 	int				mac_msi;
948 
949 	struct bwn_noise		mac_noise;
950 	struct bwn_phy			mac_phy;
951 	struct bwn_stats		mac_stats;
952 	uint32_t			mac_reason_intr;
953 	uint32_t			mac_reason[6];
954 	uint32_t			mac_intr_mask;
955 	int				mac_suspended;
956 
957 	struct bwn_fw			mac_fw;
958 
959 	union {
960 		struct bwn_dma		dma;
961 		struct bwn_pio		pio;
962 	} mac_method;
963 
964 	uint16_t			mac_ktp;	/* Key table pointer */
965 	uint8_t				mac_max_nr_keys;
966 	struct bwn_key			mac_key[58];
967 
968 	unsigned int			mac_task_state;
969 	struct task			mac_intrtask;
970 	struct task			mac_hwreset;
971 	struct task			mac_txpower;
972 
973 	TAILQ_ENTRY(bwn_mac)	mac_list;
974 };
975 
976 static inline int
977 bwn_tx_hdrsize(struct bwn_mac *mac)
978 {
979 	switch (mac->mac_fw.fw_hdr_format) {
980 	case BWN_FW_HDR_598:
981 		return (112 + (sizeof(struct bwn_plcp6)));
982 	case BWN_FW_HDR_410:
983 		return (104 + (sizeof(struct bwn_plcp6)));
984 	case BWN_FW_HDR_351:
985 		return (100 + (sizeof(struct bwn_plcp6)));
986 	default:
987 		printf("%s: unknown header format (%d)\n", __func__,
988 		    mac->mac_fw.fw_hdr_format);
989 		return (112 + (sizeof(struct bwn_plcp6)));
990 	}
991 }
992 
993 /*
994  * Driver-specific vap state.
995  */
996 struct bwn_vap {
997 	struct ieee80211vap		bv_vap;	/* base class */
998 	int				(*bv_newstate)(struct ieee80211vap *,
999 					    enum ieee80211_state, int);
1000 };
1001 #define	BWN_VAP(vap)			((struct bwn_vap *)(vap))
1002 #define	BWN_VAP_CONST(vap)		((const struct mwl_vap *)(vap))
1003 
1004 struct bwn_softc {
1005 	device_t			sc_dev;
1006 	struct mtx			sc_mtx;
1007 	struct ieee80211com		sc_ic;
1008 	struct mbufq			sc_snd;
1009 	unsigned			sc_flags;
1010 #define	BWN_FLAG_ATTACHED		(1 << 0)
1011 #define	BWN_FLAG_INVALID		(1 << 1)
1012 #define	BWN_FLAG_NEED_BEACON_TP		(1 << 2)
1013 #define	BWN_FLAG_RUNNING		(1 << 3)
1014 	unsigned			sc_debug;
1015 
1016 	struct bwn_mac		*sc_curmac;
1017 	TAILQ_HEAD(, bwn_mac)	sc_maclist;
1018 
1019 	uint8_t				sc_bssid[IEEE80211_ADDR_LEN];
1020 	unsigned int			sc_filters;
1021 	uint8_t				sc_beacons[2];
1022 	uint8_t				sc_rf_enabled;
1023 
1024 	struct wmeParams		sc_wmeParams[4];
1025 
1026 	struct callout			sc_rfswitch_ch;	/* for laptop */
1027 	struct callout			sc_task_ch;
1028 	struct callout			sc_watchdog_ch;
1029 	int				sc_watchdog_timer;
1030 	struct taskqueue		*sc_tq;	/* private task queue */
1031 	int				(*sc_newstate)(struct ieee80211com *,
1032 					    enum ieee80211_state, int);
1033 	void				(*sc_node_cleanup)(
1034 					    struct ieee80211_node *);
1035 
1036 	int				sc_rx_rate;
1037 	int				sc_tx_rate;
1038 
1039 	int				sc_led_blinking;
1040 	int				sc_led_ticks;
1041 	struct bwn_led			*sc_blink_led;
1042 	struct callout			sc_led_blink_ch;
1043 	int				sc_led_blink_offdur;
1044 	struct bwn_led			sc_leds[BWN_LED_MAX];
1045 	int				sc_led_idle;
1046 	int				sc_led_blink;
1047 
1048 	struct bwn_tx_radiotap_header	sc_tx_th;
1049 	struct bwn_rx_radiotap_header	sc_rx_th;
1050 };
1051 
1052 #define	BWN_LOCK_INIT(sc) \
1053 	mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \
1054 	    MTX_NETWORK_LOCK, MTX_DEF)
1055 #define	BWN_LOCK_DESTROY(sc)	mtx_destroy(&(sc)->sc_mtx)
1056 #define	BWN_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
1057 #define	BWN_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
1058 #define	BWN_ASSERT_LOCKED(sc)	mtx_assert(&(sc)->sc_mtx, MA_OWNED)
1059 
1060 static inline bwn_band_t
1061 bwn_channel_band(struct bwn_mac *mac, struct ieee80211_channel *c)
1062 {
1063 	if (IEEE80211_IS_CHAN_5GHZ(c))
1064 		return BWN_BAND_5G;
1065 	/* XXX check 2g, log error if not 2g or 5g? */
1066 	return BWN_BAND_2G;
1067 }
1068 
1069 static inline bwn_band_t
1070 bwn_current_band(struct bwn_mac *mac)
1071 {
1072 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1073 	if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
1074 		return BWN_BAND_5G;
1075 	/* XXX check 2g, log error if not 2g or 5g? */
1076 	return BWN_BAND_2G;
1077 }
1078 
1079 static inline bool
1080 bwn_is_40mhz(struct bwn_mac *mac)
1081 {
1082 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1083 
1084 	return !! (IEEE80211_IS_CHAN_HT40(ic->ic_curchan));
1085 }
1086 
1087 static inline int
1088 bwn_get_centre_freq(struct bwn_mac *mac)
1089 {
1090 
1091 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1092 	/* XXX TODO: calculate correctly for HT40 mode */
1093 	return ic->ic_curchan->ic_freq;
1094 }
1095 
1096 static inline int
1097 bwn_get_chan_centre_freq(struct bwn_mac *mac, struct ieee80211_channel *chan)
1098 {
1099 
1100 	/* XXX TODO: calculate correctly for HT40 mode */
1101 	return chan->ic_freq;
1102 }
1103 
1104 static inline int
1105 bwn_get_chan(struct bwn_mac *mac)
1106 {
1107 
1108 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1109 	/* XXX TODO: calculate correctly for HT40 mode */
1110 	return ic->ic_curchan->ic_ieee;
1111 }
1112 
1113 static inline struct ieee80211_channel *
1114 bwn_get_channel(struct bwn_mac *mac)
1115 {
1116 
1117 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1118 	return ic->ic_curchan;
1119 }
1120 
1121 static inline bool
1122 bwn_is_chan_passive(struct bwn_mac *mac)
1123 {
1124 
1125 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1126 	return !! IEEE80211_IS_CHAN_PASSIVE(ic->ic_curchan);
1127 }
1128 
1129 static inline bwn_chan_type_t
1130 bwn_get_chan_type(struct bwn_mac *mac, struct ieee80211_channel *c)
1131 {
1132 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1133 	if (c == NULL)
1134 		c = ic->ic_curchan;
1135 	if (IEEE80211_IS_CHAN_HT40U(c))
1136 		return BWN_CHAN_TYPE_40_HT_U;
1137 	else if (IEEE80211_IS_CHAN_HT40D(c))
1138 		return BWN_CHAN_TYPE_40_HT_D;
1139 	else if (IEEE80211_IS_CHAN_HT20(c))
1140 		return BWN_CHAN_TYPE_20_HT;
1141 	else
1142 		return BWN_CHAN_TYPE_20;
1143 }
1144 
1145 static inline int
1146 bwn_get_chan_power(struct bwn_mac *mac, struct ieee80211_channel *c)
1147 {
1148 
1149 	/* return in dbm */
1150 	return c->ic_maxpower / 2;
1151 }
1152 
1153 /*
1154  * For now there's no bhnd bus support.  Places where it matters
1155  * should call this routine so we can start logging things.
1156  */
1157 static inline int
1158 bwn_is_bus_siba(struct bwn_mac *mac)
1159 {
1160 
1161 	return 1;
1162 }
1163 #endif	/* !_IF_BWNVAR_H */
1164