xref: /freebsd/sys/dev/bwn/if_bwnvar.h (revision 4ffeb3b88ed228e72e13abe1be888c77c6ede95d)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
3  *
4  * Copyright (c) 2009-2010 Weongyo Jeong <weongyo@freebsd.org>
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer,
12  *    without modification.
13  * 2. Redistributions in binary form must reproduce at minimum a disclaimer
14  *    similar to the "NO WARRANTY" disclaimer below ("Disclaimer") and any
15  *    redistribution must be conditioned upon including a substantially
16  *    similar Disclaimer requirement for further binary redistribution.
17  *
18  * NO WARRANTY
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
21  * LIMITED TO, THE IMPLIED WARRANTIES OF NONINFRINGEMENT, MERCHANTIBILITY
22  * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
23  * THE COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR SPECIAL, EXEMPLARY,
24  * OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER
27  * IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
29  * THE POSSIBILITY OF SUCH DAMAGES.
30  *
31  * $FreeBSD$
32  */
33 
34 #ifndef _IF_BWNVAR_H
35 #define	_IF_BWNVAR_H
36 
37 #include <dev/bhnd/bhnd.h>
38 
39 struct bwn_softc;
40 struct bwn_mac;
41 
42 #define	N(a)			(sizeof(a) / sizeof(a[0]))
43 #define	BWN_ALIGN			0x1000
44 #define	BWN_RETRY_SHORT			7
45 #define	BWN_RETRY_LONG			4
46 #define	BWN_STAID_MAX			64
47 #define	BWN_TXPWR_IGNORE_TIME		(1 << 0)
48 #define	BWN_TXPWR_IGNORE_TSSI		(1 << 1)
49 #define	BWN_HAS_TXMAG(phy)						\
50 	(((phy)->rev >= 2) && ((phy)->rf_ver == 0x2050) &&		\
51 	 ((phy)->rf_rev == 8))
52 #define	BWN_HAS_LOOPBACK(phy)						\
53 	(((phy)->rev > 1) || ((phy)->gmode))
54 #define	BWN_TXERROR_MAX			1000
55 #define	BWN_GETTIME(v)	do {						\
56 	struct timespec ts;						\
57 	nanouptime(&ts);						\
58 	(v) = ts.tv_nsec / 1000000 + ts.tv_sec * 1000;			\
59 } while (0)
60 #define	BWN_ISOLDFMT(mac)		((mac)->mac_fw.rev <= 351)
61 #define	BWN_TSSI2DBM(num, den)						\
62 	((int32_t)((num < 0) ? num / den : (num + den / 2) / den))
63 #define	BWN_HDRSIZE(mac)	bwn_tx_hdrsize(mac)
64 #define	BWN_MAXTXHDRSIZE	(112 + (sizeof(struct bwn_plcp6)))
65 
66 #define	BWN_PIO_COOKIE(tq, tp)						\
67 	((uint16_t)((((uint16_t)tq->tq_index + 1) << 12) | tp->tp_index))
68 #define	BWN_DMA_COOKIE(dr, slot)					\
69 	((uint16_t)(((uint16_t)dr->dr_index + 1) << 12) | (uint16_t)slot)
70 #define	BWN_READ_2(mac, o)						\
71 	(bus_read_2((mac)->mac_sc->sc_mem_res, (o)))
72 #define	BWN_READ_4(mac, o)						\
73 	(bus_read_4((mac)->mac_sc->sc_mem_res, (o)))
74 #define	BWN_WRITE_2(mac, o, v)						\
75 	(bus_write_2((mac)->mac_sc->sc_mem_res, (o), (v)))
76 #define	BWN_WRITE_2_F(mac, o, v) do { \
77 	(BWN_WRITE_2(mac, o, v)); \
78 	BWN_READ_2(mac, o); \
79 } while(0)
80 #define	BWN_WRITE_SETMASK2(mac, offset, mask, set)			\
81 	BWN_WRITE_2(mac, offset, (BWN_READ_2(mac, offset) & mask) | set)
82 #define	BWN_WRITE_4(mac, o, v)						\
83 	(bus_write_4((mac)->mac_sc->sc_mem_res, (o), (v)))
84 #define	BWN_WRITE_SETMASK4(mac, offset, mask, set)			\
85 	BWN_WRITE_4(mac, offset, (BWN_READ_4(mac, offset) & mask) | set)
86 #define	BWN_PIO_TXQOFFSET(mac)						\
87 	((bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 11) ? 0x18 : 0)
88 #define	BWN_PIO_RXQOFFSET(mac)						\
89 	((bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 11) ? 0x38 : 8)
90 #define	BWN_SEC_NEWAPI(mac)		(mac->mac_fw.rev >= 351)
91 #define	BWN_SEC_KEY2FW(mac, idx)					\
92 	(BWN_SEC_NEWAPI(mac) ? idx : ((idx >= 4) ? idx - 4 : idx))
93 #define	BWN_RF_READ(mac, r)		(mac->mac_phy.rf_read(mac, r))
94 #define	BWN_RF_WRITE(mac, r, v)		(mac->mac_phy.rf_write(mac, r, v))
95 #define	BWN_RF_MASK(mac, o, m)						\
96 	BWN_RF_WRITE(mac, o, BWN_RF_READ(mac, o) & m)
97 #define	BWN_RF_SETMASK(mac, offset, mask, set)				\
98 	BWN_RF_WRITE(mac, offset, (BWN_RF_READ(mac, offset) & mask) | set)
99 #define	BWN_RF_SET(mac, offset, set)					\
100 	BWN_RF_WRITE(mac, offset, BWN_RF_READ(mac, offset) | set)
101 #define	BWN_PHY_READ(mac, r)		(mac->mac_phy.phy_read(mac, r))
102 #define	BWN_PHY_WRITE(mac, r, v)					\
103 	(mac->mac_phy.phy_write(mac, r, v))
104 #define	BWN_PHY_SET(mac, offset, set)	do {				\
105 	if (mac->mac_phy.phy_maskset != NULL) {				\
106 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
107 		    mac->mac_suspended > 0,				\
108 		    ("dont access PHY or RF registers after turning on MAC")); \
109 		mac->mac_phy.phy_maskset(mac, offset, 0xffff, set);	\
110 	} else								\
111 		BWN_PHY_WRITE(mac, offset,				\
112 		    BWN_PHY_READ(mac, offset) | (set));			\
113 } while (0)
114 #define	BWN_PHY_SETMASK(mac, offset, mask, set)	do {			\
115 	if (mac->mac_phy.phy_maskset != NULL) {				\
116 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
117 		    mac->mac_suspended > 0,				\
118 		    ("dont access PHY or RF registers after turning on MAC")); \
119 		mac->mac_phy.phy_maskset(mac, offset, mask, set);	\
120 	} else								\
121 		BWN_PHY_WRITE(mac, offset,				\
122 		    (BWN_PHY_READ(mac, offset) & (mask)) | (set));	\
123 } while (0)
124 #define	BWN_PHY_MASK(mac, offset, mask)	do {				\
125 	if (mac->mac_phy.phy_maskset != NULL) {				\
126 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
127 		    mac->mac_suspended > 0,				\
128 		    ("dont access PHY or RF registers after turning on MAC")); \
129 		mac->mac_phy.phy_maskset(mac, offset, mask, 0);		\
130 	} else								\
131 		BWN_PHY_WRITE(mac, offset,				\
132 		    BWN_PHY_READ(mac, offset) & (mask));		\
133 } while (0)
134 #define	BWN_PHY_COPY(mac, dst, src)	do {				\
135 	KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||		\
136 	    mac->mac_suspended > 0,					\
137 	    ("dont access PHY or RF registers after turning on MAC"));	\
138 	BWN_PHY_WRITE(mac, dst, BWN_PHY_READ(mac, src));		\
139 } while (0)
140 #define BWN_LO_CALIB_EXPIRE		(1000 * (30 - 2))
141 #define BWN_LO_PWRVEC_EXPIRE		(1000 * (30 - 2))
142 #define BWN_LO_TXCTL_EXPIRE		(1000 * (180 - 4))
143 #define BWN_LPD(L, P, D)		(((L) << 2) | ((P) << 1) | ((D) << 0))
144 #define BWN_BITREV4(tmp)		(BWN_BITREV8(tmp) >> 4)
145 #define	BWN_BITREV8(byte)		(bwn_bitrev_table[byte])
146 #define	BWN_BBATTCMP(a, b)		((a)->att == (b)->att)
147 #define	BWN_RFATTCMP(a, b)						\
148 	(((a)->att == (b)->att) && ((a)->padmix == (b)->padmix))
149 #define	BWN_PIO_WRITE_2(mac, tq, offset, value)				\
150 	BWN_WRITE_2(mac, (tq)->tq_base + offset, value)
151 #define	BWN_PIO_READ_4(mac, tq, offset)					\
152 	BWN_READ_4(mac, tq->tq_base + offset)
153 #define	BWN_ISCCKRATE(rate)						\
154 	(rate == BWN_CCK_RATE_1MB || rate == BWN_CCK_RATE_2MB ||	\
155 	 rate == BWN_CCK_RATE_5MB || rate == BWN_CCK_RATE_11MB)
156 #define	BWN_ISOFDMRATE(rate)		(!BWN_ISCCKRATE(rate))
157 #define	BWN_BARRIER(mac, offset, length, flags)			\
158 	bus_barrier((mac)->mac_sc->sc_mem_res, (offset), (length), (flags))
159 #define	BWN_DMA_READ(dr, offset)				\
160 	(BWN_READ_4(dr->dr_mac, dr->dr_base + offset))
161 #define	BWN_DMA_WRITE(dr, offset, value)			\
162 	(BWN_WRITE_4(dr->dr_mac, dr->dr_base + offset, value))
163 
164 typedef enum {
165 	BWN_PHY_BAND_2G = 0,
166 	BWN_PHY_BAND_5G_LO = 1,
167 	BWN_PHY_BAND_5G_MI = 2,
168 	BWN_PHY_BAND_5G_HI = 3
169 } bwn_phy_band_t;
170 
171 typedef enum {
172 	BWN_BAND_2G,
173 	BWN_BAND_5G,
174 } bwn_band_t;
175 
176 typedef enum {
177 	BWN_CHAN_TYPE_20,
178 	BWN_CHAN_TYPE_20_HT,
179 	BWN_CHAN_TYPE_40_HT_U,
180 	BWN_CHAN_TYPE_40_HT_D,
181 } bwn_chan_type_t;
182 
183 struct bwn_rate {
184 	uint16_t			rateid;
185 	uint32_t			flags;
186 };
187 
188 #define	BWN_ANT0			0
189 #define	BWN_ANT1			1
190 #define	BWN_ANTAUTO0			2
191 #define	BWN_ANTAUTO1			3
192 #define	BWN_ANT2			4
193 #define	BWN_ANT3			8
194 #define	BWN_ANTAUTO			BWN_ANTAUTO0
195 #define	BWN_ANT_DEFAULT			BWN_ANTAUTO
196 #define	BWN_TX_SLOTS_PER_FRAME		2
197 
198 struct bwn_channel {
199 	unsigned			freq;
200 	unsigned			ieee;
201 	unsigned			maxTxPow;
202 };
203 
204 struct bwn_channelinfo {
205 	struct bwn_channel		channels[IEEE80211_CHAN_MAX];
206 	unsigned			nchannels;
207 };
208 
209 struct bwn_bbatt {
210 	uint8_t				att;
211 };
212 
213 struct bwn_bbatt_list {
214 	const struct bwn_bbatt		*array;
215 	uint8_t				len;
216 	uint8_t				min;
217 	uint8_t				max;
218 };
219 
220 struct bwn_rfatt {
221 	uint8_t				att;
222 	int				padmix;
223 };
224 
225 struct bwn_rfatt_list {
226 	const struct bwn_rfatt		*array;
227 	uint8_t				len;
228 	uint8_t				min;
229 	uint8_t				max;
230 };
231 
232 #define	BWN_DC_LT_SIZE			32
233 
234 struct bwn_loctl {
235 	int8_t				i;
236 	int8_t				q;
237 };
238 
239 typedef enum {
240 	BWN_TXPWR_RES_NEED_ADJUST,
241 	BWN_TXPWR_RES_DONE,
242 } bwn_txpwr_result_t;
243 
244 struct bwn_lo_calib {
245 	struct bwn_bbatt		bbatt;
246 	struct bwn_rfatt		rfatt;
247 	struct bwn_loctl		ctl;
248 	unsigned long			calib_time;
249 	TAILQ_ENTRY(bwn_lo_calib)	list;
250 };
251 
252 struct bwn_rxhdr4 {
253 	uint16_t			frame_len;
254 	uint8_t				pad1[2];
255 	uint16_t			phy_status0;
256 	union {
257 		struct {
258 			uint8_t		rssi;
259 			uint8_t		sig_qual;
260 		} __packed abg;
261 		struct {
262 			int8_t		power0;
263 			int8_t		power1;
264 		} __packed n;
265 	} __packed phy;
266 	union {
267 		struct {
268 			int8_t		power2;
269 			uint8_t		pad;
270 		} __packed n;
271 		struct {
272 			uint8_t		pad;
273 			int8_t		ht_power0;
274 		} __packed ht;
275 		uint16_t		phy_status2;
276 	} __packed ps2;
277 	union {
278 		struct {
279 			uint16_t	phy_status3;
280 		} __packed lp;
281 		struct {
282 			int8_t		phy_ht_power1;
283 			int8_t		phy_ht_power2;
284 		} __packed ht;
285 	} __packed ps3;
286 	union {
287 		struct {
288 			uint32_t	mac_status;
289 			uint16_t	mac_time;
290 			uint16_t	channel;
291 		} __packed r351;
292 		struct {
293 			uint16_t	phy_status4;
294 			uint16_t	phy_status5;
295 			uint32_t	mac_status;
296 			uint16_t	mac_time;
297 			uint16_t	channel;
298 		} __packed r598;
299 	} __packed ps4;
300 } __packed;
301 
302 struct bwn_txstatus {
303 	uint16_t			cookie;
304 	uint16_t			seq;
305 	uint8_t				phy_stat;
306 	uint8_t				framecnt;
307 	uint8_t				rtscnt;
308 	uint8_t				sreason;
309 	uint8_t				pm;
310 	uint8_t				im;
311 	uint8_t				ampdu;
312 	uint8_t				ack;
313 };
314 
315 #define	BWN_TXCTL_PA3DB			0x40
316 #define	BWN_TXCTL_PA2DB			0x20
317 #define	BWN_TXCTL_TXMIX			0x10
318 
319 struct bwn_txpwr_loctl {
320 	struct bwn_rfatt_list		rfatt;
321 	struct bwn_bbatt_list		bbatt;
322 	uint16_t			dc_lt[BWN_DC_LT_SIZE];
323 	TAILQ_HEAD(, bwn_lo_calib)	calib_list;
324 	unsigned long			pwr_vec_read_time;
325 	unsigned long			txctl_measured_time;
326 	uint8_t				tx_bias;
327 	uint8_t				tx_magn;
328 	uint64_t			power_vector;
329 };
330 
331 #define	BWN_OFDMTAB_DIR_UNKNOWN		0
332 #define	BWN_OFDMTAB_DIR_READ		1
333 #define	BWN_OFDMTAB_DIR_WRITE		2
334 
335 struct bwn_phy_g {
336 	unsigned			pg_flags;
337 #define	BWN_PHY_G_FLAG_TSSITABLE_ALLOC	(1 << 0)
338 #define	BWN_PHY_G_FLAG_RADIOCTX_VALID	(1 << 1)
339 	int				pg_aci_enable;
340 	int				pg_aci_wlan_automatic;
341 	int				pg_aci_hw_rssi;
342 	int				pg_rf_on;
343 	uint16_t			pg_radioctx_over;
344 	uint16_t			pg_radioctx_overval;
345 	uint16_t			pg_minlowsig[2];
346 	uint16_t			pg_minlowsigpos[2];
347 	uint16_t			pg_pa0maxpwr;
348 	int8_t				*pg_tssi2dbm;
349 	int				pg_idletssi;
350 	int				pg_curtssi;
351 	uint8_t				pg_avgtssi;
352 	struct bwn_bbatt		pg_bbatt;
353 	struct bwn_rfatt		pg_rfatt;
354 	uint8_t				pg_txctl;
355 	int				pg_bbatt_delta;
356 	int				pg_rfatt_delta;
357 
358 	struct bwn_txpwr_loctl		pg_loctl;
359 	int16_t				pg_max_lb_gain;
360 	int16_t				pg_trsw_rx_gain;
361 	int16_t				pg_lna_lod_gain;
362 	int16_t				pg_lna_gain;
363 	int16_t				pg_pga_gain;
364 	int				pg_immode;
365 #define	BWN_INTERFSTACK_SIZE	26
366 	uint32_t			pg_interfstack[BWN_INTERFSTACK_SIZE];
367 
368 	int16_t				pg_nrssi[2];
369 	int32_t				pg_nrssi_slope;
370 	int8_t				pg_nrssi_lt[64];
371 
372 	uint16_t			pg_lofcal;
373 
374 	uint16_t			pg_initval;
375 	uint16_t			pg_ofdmtab_addr;
376 	unsigned			pg_ofdmtab_dir;
377 };
378 
379 #define	BWN_IMMODE_NONE			0
380 #define	BWN_IMMODE_NONWLAN		1
381 #define	BWN_IMMODE_MANUAL		2
382 #define	BWN_IMMODE_AUTO			3
383 
384 #define	BWN_PHYLP_TXPCTL_UNKNOWN	0
385 #define	BWN_PHYLP_TXPCTL_OFF		1
386 #define	BWN_PHYLP_TXPCTL_ON_SW		2
387 #define	BWN_PHYLP_TXPCTL_ON_HW		3
388 
389 struct bwn_phy_lp {
390 	uint8_t				plp_chan;
391 	uint8_t				plp_chanfullcal;
392 	int32_t				plp_antenna;
393 	uint8_t				plp_txpctlmode;
394 	uint8_t				plp_txisoband_h;
395 	uint8_t				plp_txisoband_m;
396 	uint8_t				plp_txisoband_l;
397 	uint8_t				plp_rxpwroffset;
398 	int8_t				plp_txpwridx;
399 	uint16_t			plp_tssiidx;
400 	uint16_t			plp_tssinpt;
401 	uint8_t				plp_rssivf;
402 	uint8_t				plp_rssivc;
403 	uint8_t				plp_rssigs;
404 	uint8_t				plp_rccap;
405 	uint8_t				plp_bxarch;
406 	uint8_t				plp_crsusr_off;
407 	uint8_t				plp_crssys_off;
408 	uint32_t			plp_div;
409 	int32_t				plp_tonefreq;
410 	uint16_t			plp_digfilt[9];
411 };
412 
413 /* for LP */
414 struct bwn_txgain {
415 	uint16_t			tg_gm;
416 	uint16_t			tg_pga;
417 	uint16_t			tg_pad;
418 	uint16_t			tg_dac;
419 };
420 
421 struct bwn_rxcompco {
422 	uint8_t				rc_chan;
423 	int8_t				rc_c1;
424 	int8_t				rc_c0;
425 };
426 
427 struct bwn_phy_lp_iq_est {
428 	uint32_t			ie_iqprod;
429 	uint32_t			ie_ipwr;
430 	uint32_t			ie_qpwr;
431 };
432 
433 struct bwn_txgain_entry {
434 	uint8_t				te_gm;
435 	uint8_t				te_pga;
436 	uint8_t				te_pad;
437 	uint8_t				te_dac;
438 	uint8_t				te_bbmult;
439 };
440 
441 /* only for LP PHY */
442 struct bwn_stxtable {
443 	uint16_t			st_phyoffset;
444 	uint16_t			st_physhift;
445 	uint16_t			st_rfaddr;
446 	uint16_t			st_rfshift;
447 	uint16_t			st_mask;
448 };
449 
450 struct bwn_b206x_chan {
451 	uint8_t				bc_chan;
452 	uint16_t			bc_freq;
453 	const uint8_t			*bc_data;
454 };
455 
456 struct bwn_b206x_rfinit_entry {
457 	uint16_t			br_offset;
458 	uint16_t			br_valuea;
459 	uint16_t			br_valueg;
460 	uint8_t				br_flags;
461 };
462 
463 struct bwn_phy_n;
464 
465 struct bwn_phy {
466 	uint8_t				type;
467 	uint8_t				rev;
468 	uint8_t				analog;
469 
470 	int				supports_2ghz;
471 	int				supports_5ghz;
472 
473 	int				gmode;
474 	struct bwn_phy_g		phy_g;
475 	struct bwn_phy_lp		phy_lp;
476 
477 	/*
478 	 * I'd like the newer PHY code to not hide in the top-level
479 	 * structs..
480 	 */
481 	struct bwn_phy_n		*phy_n;
482 
483 	uint16_t			rf_manuf;
484 	uint16_t			rf_ver;
485 	uint8_t				rf_rev;
486 	int				rf_on;
487 	int				phy_do_full_init;
488 
489 	int				txpower;
490 	int				hwpctl;
491 	unsigned long			nexttime;
492 	unsigned int			chan;
493 	int				txerrors;
494 
495 	int				(*attach)(struct bwn_mac *);
496 	void				(*detach)(struct bwn_mac *);
497 	int				(*prepare_hw)(struct bwn_mac *);
498 	void				(*init_pre)(struct bwn_mac *);
499 	int				(*init)(struct bwn_mac *);
500 	void				(*exit)(struct bwn_mac *);
501 	uint16_t			(*phy_read)(struct bwn_mac *, uint16_t);
502 	void				(*phy_write)(struct bwn_mac *, uint16_t,
503 					    uint16_t);
504 	void				(*phy_maskset)(struct bwn_mac *,
505 					    uint16_t, uint16_t, uint16_t);
506 	uint16_t			(*rf_read)(struct bwn_mac *, uint16_t);
507 	void				(*rf_write)(struct bwn_mac *, uint16_t,
508 					    uint16_t);
509 	int				(*use_hwpctl)(struct bwn_mac *);
510 	void				(*rf_onoff)(struct bwn_mac *, int);
511 	void				(*switch_analog)(struct bwn_mac *, int);
512 	int				(*switch_channel)(struct bwn_mac *,
513 					    unsigned int);
514 	uint32_t			(*get_default_chan)(struct bwn_mac *);
515 	void				(*set_antenna)(struct bwn_mac *, int);
516 	int				(*set_im)(struct bwn_mac *, int);
517 	bwn_txpwr_result_t		(*recalc_txpwr)(struct bwn_mac *, int);
518 	void				(*set_txpwr)(struct bwn_mac *);
519 	void				(*task_15s)(struct bwn_mac *);
520 	void				(*task_60s)(struct bwn_mac *);
521 };
522 
523 struct bwn_chan_band {
524 	uint32_t			flags;
525 	uint8_t				nchan;
526 #define	BWN_MAX_CHAN_PER_BAND		14
527 	uint8_t				chan[BWN_MAX_CHAN_PER_BAND];
528 };
529 
530 #define	BWN_NR_WMEPARAMS		16
531 enum {
532 	BWN_WMEPARAM_TXOP = 0,
533 	BWN_WMEPARAM_CWMIN,
534 	BWN_WMEPARAM_CWMAX,
535 	BWN_WMEPARAM_CWCUR,
536 	BWN_WMEPARAM_AIFS,
537 	BWN_WMEPARAM_BSLOTS,
538 	BWN_WMEPARAM_REGGAP,
539 	BWN_WMEPARAM_STATUS,
540 };
541 
542 #define	BWN_WME_PARAMS(queue)	\
543 	(BWN_SHARED_EDCFQ + (BWN_NR_WMEPARAMS * sizeof(uint16_t) * (queue)))
544 #define	BWN_WME_BACKGROUND	BWN_WME_PARAMS(0)
545 #define	BWN_WME_BESTEFFORT	BWN_WME_PARAMS(1)
546 #define	BWN_WME_VIDEO		BWN_WME_PARAMS(2)
547 #define	BWN_WME_VOICE		BWN_WME_PARAMS(3)
548 
549 /*
550  * Radio capture format.
551  */
552 #define	BWN_RX_RADIOTAP_PRESENT (		\
553 	(1 << IEEE80211_RADIOTAP_TSFT)		| \
554 	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
555 	(1 << IEEE80211_RADIOTAP_RATE)		| \
556 	(1 << IEEE80211_RADIOTAP_CHANNEL)	| \
557 	(1 << IEEE80211_RADIOTAP_ANTENNA)	| \
558 	(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)	| \
559 	(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)	| \
560 	0)
561 
562 struct bwn_rx_radiotap_header {
563 	struct ieee80211_radiotap_header wr_ihdr;
564 	uint64_t			wr_tsf;
565 	u_int8_t			wr_flags;
566 	u_int8_t			wr_rate;
567 	u_int16_t			wr_chan_freq;
568 	u_int16_t			wr_chan_flags;
569 	int8_t				wr_antsignal;
570 	int8_t				wr_antnoise;
571 	u_int8_t			wr_antenna;
572 } __packed __aligned(8);
573 
574 #define	BWN_TX_RADIOTAP_PRESENT (		\
575 	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
576 	(1 << IEEE80211_RADIOTAP_RATE)		| \
577 	(1 << IEEE80211_RADIOTAP_CHANNEL)	| \
578 	(1 << IEEE80211_RADIOTAP_DBM_TX_POWER)	| \
579 	(1 << IEEE80211_RADIOTAP_ANTENNA)	| \
580 	0)
581 
582 struct bwn_tx_radiotap_header {
583 	struct ieee80211_radiotap_header wt_ihdr;
584 	u_int8_t			wt_flags;
585 	u_int8_t			wt_rate;
586 	u_int16_t			wt_chan_freq;
587 	u_int16_t			wt_chan_flags;
588 	u_int8_t			wt_txpower;
589 	u_int8_t			wt_antenna;
590 } __packed;
591 
592 struct bwn_stats {
593 	int32_t				rtsfail;
594 	int32_t				rts;
595 	int32_t				link_noise;
596 };
597 
598 /* Noise Calculation (Link Quality) */
599 struct bwn_noise {
600 	uint8_t				noi_running;
601 	uint8_t				noi_nsamples;
602 	int8_t				noi_samples[8][4];
603 };
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 	bus_dma_tag_t			parent_dtag;
697 	bus_dma_tag_t			rxbuf_dtag;
698 	bus_dma_tag_t			txbuf_dtag;
699 	struct bhnd_dma_translation	translation;
700 	u_int				addrext_shift;
701 
702 	struct bwn_dma_ring		*wme[5];
703 	struct bwn_dma_ring		*mcast;
704 	struct bwn_dma_ring		*rx;
705 	uint64_t			lastseq;	/* XXX FIXME */
706 };
707 
708 struct bwn_pio_rxqueue {
709 	struct bwn_mac			*prq_mac;
710 	uint16_t			prq_base;
711 	uint8_t				prq_rev;
712 };
713 
714 struct bwn_pio_txqueue;
715 struct bwn_pio_txpkt {
716 	struct bwn_pio_txqueue		*tp_queue;
717 	struct ieee80211_node		*tp_ni;
718 	struct mbuf			*tp_m;
719 	uint8_t				tp_index;
720 	TAILQ_ENTRY(bwn_pio_txpkt)	tp_list;
721 };
722 
723 #define	BWN_PIO_MAX_TXPACKETS		32
724 struct bwn_pio_txqueue {
725 	uint16_t			tq_base;
726 	uint16_t			tq_size;
727 	uint16_t			tq_used;
728 	uint16_t			tq_free;
729 	uint8_t				tq_index;
730 	struct bwn_pio_txpkt		tq_pkts[BWN_PIO_MAX_TXPACKETS];
731 	TAILQ_HEAD(, bwn_pio_txpkt)	tq_pktlist;
732 };
733 
734 struct bwn_pio {
735 	struct bwn_pio_txqueue		wme[5];
736 	struct bwn_pio_txqueue		mcast;
737 	struct bwn_pio_rxqueue		rx;
738 };
739 
740 struct bwn_plcp4 {
741 	union {
742 		uint32_t		data;
743 		uint8_t			raw[4];
744 	} __packed o;
745 } __packed;
746 
747 struct bwn_plcp6 {
748 	union {
749 		uint32_t		data;
750 		uint8_t			raw[6];
751 	} __packed o;
752 } __packed;
753 
754 struct bwn_txhdr {
755 	uint32_t			macctl;
756 	uint8_t				macfc[2];
757 	uint16_t			tx_festime;
758 	uint16_t			phyctl;
759 	uint16_t			phyctl_1;
760 	uint16_t			phyctl_1fb;
761 	uint16_t			phyctl_1rts;
762 	uint16_t			phyctl_1rtsfb;
763 	uint8_t				phyrate;
764 	uint8_t				phyrate_rts;
765 	uint8_t				eftypes;	/* extra frame types */
766 	uint8_t				chan;
767 	uint8_t				iv[16];
768 	uint8_t				addr1[IEEE80211_ADDR_LEN];
769 	uint16_t			tx_festime_fb;
770 	struct bwn_plcp6		rts_plcp_fb;
771 	uint16_t			rts_dur_fb;
772 	struct bwn_plcp6		plcp_fb;
773 	uint16_t			dur_fb;
774 	uint16_t			mimo_modelen;
775 	uint16_t			mimo_ratelen_fb;
776 	uint32_t			timeout;
777 
778 	union {
779 		/* format <= r351 */
780 		struct {
781 			uint8_t		pad0[2];
782 			uint16_t	cookie;
783 			uint16_t	tx_status;
784 			struct bwn_plcp6	rts_plcp;
785 			uint8_t		rts_frame[16];
786 			uint8_t		pad1[2];
787 			struct bwn_plcp6	plcp;
788 		} __packed r351;
789 		/* format > r410 < r598 */
790 		struct {
791 			uint16_t	mimo_antenna;
792 			uint16_t	preload_size;
793 			uint8_t		pad0[2];
794 			uint16_t	cookie;
795 			uint16_t	tx_status;
796 			struct bwn_plcp6	rts_plcp;
797 			uint8_t		rts_frame[16];
798 			uint8_t		pad1[2];
799 			struct bwn_plcp6	plcp;
800 		} __packed r410;
801 		struct {
802 			uint16_t	mimo_antenna;
803 			uint16_t	preload_size;
804 			uint8_t		pad0[2];
805 			uint16_t	cookie;
806 			uint16_t	tx_status;
807 			uint16_t	max_n_mpdus;
808 			uint16_t	max_a_bytes_mrt;
809 			uint16_t	max_a_bytes_fbr;
810 			uint16_t	min_m_bytes;
811 			struct bwn_plcp6	rts_plcp;
812 			uint8_t		rts_frame[16];
813 			uint8_t		pad1[2];
814 			struct bwn_plcp6	plcp;
815 		} __packed r598;
816 	} __packed body;
817 } __packed;
818 
819 #define	BWN_FWTYPE_UCODE		'u'
820 #define	BWN_FWTYPE_PCM			'p'
821 #define	BWN_FWTYPE_IV			'i'
822 struct bwn_fwhdr {
823 	uint8_t				type;
824 	uint8_t				ver;
825 	uint8_t				pad[2];
826 	uint32_t			size;
827 } __packed;
828 
829 #define	BWN_FWINITVALS_OFFSET_MASK	0x7fff
830 #define	BWN_FWINITVALS_32BIT		0x8000
831 struct bwn_fwinitvals {
832 	uint16_t			offset_size;
833 	union {
834 		uint16_t		d16;
835 		uint32_t		d32;
836 	} __packed data;
837 } __packed;
838 
839 enum bwn_fw_hdr_format {
840 	BWN_FW_HDR_598,
841 	BWN_FW_HDR_410,
842 	BWN_FW_HDR_351,
843 };
844 
845 enum bwn_fwtype {
846 	BWN_FWTYPE_DEFAULT,
847 	BWN_FWTYPE_OPENSOURCE,
848 	BWN_NR_FWTYPES,
849 };
850 
851 struct bwn_fwfile {
852 	const char			*filename;
853 	const struct firmware		*fw;
854 	enum bwn_fwtype			type;
855 };
856 
857 struct bwn_key {
858 	void				*keyconf;
859 	uint8_t				algorithm;
860 };
861 
862 struct bwn_fw {
863 	struct bwn_fwfile		ucode;
864 	struct bwn_fwfile		pcm;
865 	struct bwn_fwfile		initvals;
866 	struct bwn_fwfile		initvals_band;
867 	enum bwn_fw_hdr_format		fw_hdr_format;
868 
869 	uint16_t			rev;
870 	uint16_t			patch;
871 	uint8_t				opensource;
872 	uint8_t				no_pcmfile;
873 };
874 
875 struct bwn_lo_g_sm {
876 	int				curstate;
877 	int				nmeasure;
878 	int				multipler;
879 	uint16_t			feedth;
880 	struct bwn_loctl		loctl;
881 };
882 
883 struct bwn_lo_g_value {
884 	uint8_t				old_channel;
885 	uint16_t			phy_lomask;
886 	uint16_t			phy_extg;
887 	uint16_t			phy_dacctl_hwpctl;
888 	uint16_t			phy_dacctl;
889 	uint16_t			phy_hpwr_tssictl;
890 	uint16_t			phy_analogover;
891 	uint16_t			phy_analogoverval;
892 	uint16_t			phy_rfover;
893 	uint16_t			phy_rfoverval;
894 	uint16_t			phy_classctl;
895 	uint16_t			phy_crs0;
896 	uint16_t			phy_pgactl;
897 	uint16_t			phy_syncctl;
898 	uint16_t			phy_cck0;
899 	uint16_t			phy_cck1;
900 	uint16_t			phy_cck2;
901 	uint16_t			phy_cck3;
902 	uint16_t			phy_cck4;
903 	uint16_t			reg0;
904 	uint16_t			reg1;
905 	uint16_t			rf0;
906 	uint16_t			rf1;
907 	uint16_t			rf2;
908 };
909 
910 #define	BWN_LED_MAX			4
911 
912 #define	BWN_LED_EVENT_NONE		-1
913 #define	BWN_LED_EVENT_POLL		0
914 #define	BWN_LED_EVENT_TX		1
915 #define	BWN_LED_EVENT_RX		2
916 #define	BWN_LED_SLOWDOWN(dur)		(dur) = (((dur) * 3) / 2)
917 
918 struct bwn_led {
919 	uint8_t				led_flags;	/* BWN_LED_F_ */
920 	uint8_t				led_act;	/* BWN_LED_ACT_ */
921 	uint8_t				led_mask;
922 };
923 
924 #define	BWN_LED_F_ACTLOW		0x1
925 #define	BWN_LED_F_BLINK			0x2
926 #define	BWN_LED_F_POLLABLE		0x4
927 #define	BWN_LED_F_SLOW			0x8
928 
929 struct bwn_mac {
930 	struct bwn_softc		*mac_sc;
931 	unsigned			mac_status;
932 #define	BWN_MAC_STATUS_UNINIT		0
933 #define	BWN_MAC_STATUS_INITED		1
934 #define	BWN_MAC_STATUS_STARTED		2
935 	unsigned			mac_flags;
936 	/* use "Bad Frames Preemption" */
937 #define	BWN_MAC_FLAG_BADFRAME_PREEMP	(1 << 0)
938 #define	BWN_MAC_FLAG_DFQVALID		(1 << 1)
939 #define	BWN_MAC_FLAG_RADIO_ON		(1 << 2)
940 #define	BWN_MAC_FLAG_DMA		(1 << 3)
941 #define	BWN_MAC_FLAG_WME		(1 << 4)
942 #define	BWN_MAC_FLAG_HWCRYPTO		(1 << 5)
943 
944 	struct resource			*mac_res_irq;
945 	int				 mac_rid_irq;
946 	void				*mac_intrhand;
947 
948 	struct bwn_noise		mac_noise;
949 	struct bwn_phy			mac_phy;
950 	struct bwn_stats		mac_stats;
951 	uint32_t			mac_reason_intr;
952 	uint32_t			mac_reason[6];
953 	uint32_t			mac_intr_mask;
954 	int				mac_suspended;
955 
956 	struct bwn_fw			mac_fw;
957 
958 	int				mac_dmatype;
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 enum bwn_quirk {
1005 	/**
1006 	 * The ucode PCI slowclock workaround is required on this device.
1007 	 * @see BWN_HF_PCI_SLOWCLOCK_WORKAROUND.
1008 	 */
1009 	BWN_QUIRK_UCODE_SLOWCLOCK_WAR	= (1<<0),
1010 
1011 	/**
1012 	 * DMA is unsupported on this device; PIO should be used instead.
1013 	 */
1014 	BWN_QUIRK_NODMA			= (1<<1),
1015 };
1016 
1017 struct bwn_softc {
1018 	device_t			sc_dev;
1019 	struct bhnd_board_info		sc_board_info;
1020 	struct bhnd_chipid		sc_cid;
1021 	uint32_t			sc_quirks;	/**< @see bwn_quirk */
1022 	struct resource			*sc_mem_res;
1023 	int				sc_mem_rid;
1024 
1025 	device_t			sc_chipc;	/**< ChipCommon device */
1026 	device_t			sc_gpio;	/**< GPIO device */
1027 	device_t			sc_pmu;		/**< PMU device, or NULL if unsupported */
1028 
1029 	struct mtx			sc_mtx;
1030 	struct ieee80211com		sc_ic;
1031 	struct mbufq			sc_snd;
1032 	unsigned			sc_flags;
1033 #define	BWN_FLAG_ATTACHED		(1 << 0)
1034 #define	BWN_FLAG_INVALID		(1 << 1)
1035 #define	BWN_FLAG_NEED_BEACON_TP		(1 << 2)
1036 #define	BWN_FLAG_RUNNING		(1 << 3)
1037 	unsigned			sc_debug;
1038 
1039 	struct bwn_mac		*sc_curmac;
1040 	TAILQ_HEAD(, bwn_mac)	sc_maclist;
1041 
1042 	uint8_t				sc_bssid[IEEE80211_ADDR_LEN];
1043 	unsigned int			sc_filters;
1044 	uint8_t				sc_beacons[2];
1045 	uint8_t				sc_rf_enabled;
1046 
1047 	struct wmeParams		sc_wmeParams[4];
1048 
1049 	struct callout			sc_rfswitch_ch;	/* for laptop */
1050 	struct callout			sc_task_ch;
1051 	struct callout			sc_watchdog_ch;
1052 	int				sc_watchdog_timer;
1053 	struct taskqueue		*sc_tq;	/* private task queue */
1054 	int				(*sc_newstate)(struct ieee80211com *,
1055 					    enum ieee80211_state, int);
1056 	void				(*sc_node_cleanup)(
1057 					    struct ieee80211_node *);
1058 
1059 	int				sc_rx_rate;
1060 	int				sc_tx_rate;
1061 
1062 	int				sc_led_blinking;
1063 	int				sc_led_ticks;
1064 	struct bwn_led			*sc_blink_led;
1065 	struct callout			sc_led_blink_ch;
1066 	int				sc_led_blink_offdur;
1067 	struct bwn_led			sc_leds[BWN_LED_MAX];
1068 	int				sc_led_idle;
1069 	int				sc_led_blink;
1070 
1071 	uint8_t				sc_ant2g;	/**< available 2GHz antennas */
1072 	uint8_t				sc_ant5g;	/**< available 5GHz antennas */
1073 
1074 	struct bwn_tx_radiotap_header	sc_tx_th;
1075 	struct bwn_rx_radiotap_header	sc_rx_th;
1076 };
1077 
1078 #define	BWN_LOCK_INIT(sc) \
1079 	mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \
1080 	    MTX_NETWORK_LOCK, MTX_DEF)
1081 #define	BWN_LOCK_DESTROY(sc)	mtx_destroy(&(sc)->sc_mtx)
1082 #define	BWN_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
1083 #define	BWN_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
1084 #define	BWN_ASSERT_LOCKED(sc)	mtx_assert(&(sc)->sc_mtx, MA_OWNED)
1085 
1086 static inline bwn_band_t
1087 bwn_channel_band(struct bwn_mac *mac, struct ieee80211_channel *c)
1088 {
1089 	if (IEEE80211_IS_CHAN_5GHZ(c))
1090 		return BWN_BAND_5G;
1091 	/* XXX check 2g, log error if not 2g or 5g? */
1092 	return BWN_BAND_2G;
1093 }
1094 
1095 static inline bwn_band_t
1096 bwn_current_band(struct bwn_mac *mac)
1097 {
1098 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1099 	if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
1100 		return BWN_BAND_5G;
1101 	/* XXX check 2g, log error if not 2g or 5g? */
1102 	return BWN_BAND_2G;
1103 }
1104 
1105 static inline bool
1106 bwn_is_40mhz(struct bwn_mac *mac)
1107 {
1108 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1109 
1110 	return !! (IEEE80211_IS_CHAN_HT40(ic->ic_curchan));
1111 }
1112 
1113 static inline int
1114 bwn_get_centre_freq(struct bwn_mac *mac)
1115 {
1116 
1117 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1118 	/* XXX TODO: calculate correctly for HT40 mode */
1119 	return ic->ic_curchan->ic_freq;
1120 }
1121 
1122 static inline int
1123 bwn_get_chan_centre_freq(struct bwn_mac *mac, struct ieee80211_channel *chan)
1124 {
1125 
1126 	/* XXX TODO: calculate correctly for HT40 mode */
1127 	return chan->ic_freq;
1128 }
1129 
1130 static inline int
1131 bwn_get_chan(struct bwn_mac *mac)
1132 {
1133 
1134 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1135 	/* XXX TODO: calculate correctly for HT40 mode */
1136 	return ic->ic_curchan->ic_ieee;
1137 }
1138 
1139 static inline struct ieee80211_channel *
1140 bwn_get_channel(struct bwn_mac *mac)
1141 {
1142 
1143 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1144 	return ic->ic_curchan;
1145 }
1146 
1147 static inline bool
1148 bwn_is_chan_passive(struct bwn_mac *mac)
1149 {
1150 
1151 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1152 	return !! IEEE80211_IS_CHAN_PASSIVE(ic->ic_curchan);
1153 }
1154 
1155 static inline bwn_chan_type_t
1156 bwn_get_chan_type(struct bwn_mac *mac, struct ieee80211_channel *c)
1157 {
1158 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1159 	if (c == NULL)
1160 		c = ic->ic_curchan;
1161 	if (IEEE80211_IS_CHAN_HT40U(c))
1162 		return BWN_CHAN_TYPE_40_HT_U;
1163 	else if (IEEE80211_IS_CHAN_HT40D(c))
1164 		return BWN_CHAN_TYPE_40_HT_D;
1165 	else if (IEEE80211_IS_CHAN_HT20(c))
1166 		return BWN_CHAN_TYPE_20_HT;
1167 	else
1168 		return BWN_CHAN_TYPE_20;
1169 }
1170 
1171 static inline int
1172 bwn_get_chan_power(struct bwn_mac *mac, struct ieee80211_channel *c)
1173 {
1174 
1175 	/* return in dbm */
1176 	return c->ic_maxpower / 2;
1177 }
1178 
1179 #endif	/* !_IF_BWNVAR_H */
1180