xref: /freebsd/sys/dev/bwn/if_bwnvar.h (revision 02e9120893770924227138ba49df1edb3896112a)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
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 
32 #ifndef _IF_BWNVAR_H
33 #define	_IF_BWNVAR_H
34 
35 #include <dev/bhnd/bhnd.h>
36 
37 struct bwn_softc;
38 struct bwn_mac;
39 
40 #define	N(a)			(sizeof(a) / sizeof(a[0]))
41 #define	BWN_ALIGN			0x1000
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)						\
69 	(bus_read_2((mac)->mac_sc->sc_mem_res, (o)))
70 #define	BWN_READ_4(mac, o)						\
71 	(bus_read_4((mac)->mac_sc->sc_mem_res, (o)))
72 #define	BWN_WRITE_2(mac, o, v)						\
73 	(bus_write_2((mac)->mac_sc->sc_mem_res, (o), (v)))
74 #define	BWN_WRITE_2_F(mac, o, v) do { \
75 	(BWN_WRITE_2(mac, o, v)); \
76 	BWN_READ_2(mac, o); \
77 } while(0)
78 #define	BWN_WRITE_SETMASK2(mac, offset, mask, set)			\
79 	BWN_WRITE_2(mac, offset, (BWN_READ_2(mac, offset) & mask) | set)
80 #define	BWN_WRITE_4(mac, o, v)						\
81 	(bus_write_4((mac)->mac_sc->sc_mem_res, (o), (v)))
82 #define	BWN_WRITE_SETMASK4(mac, offset, mask, set)			\
83 	BWN_WRITE_4(mac, offset, (BWN_READ_4(mac, offset) & mask) | set)
84 #define	BWN_PIO_TXQOFFSET(mac)						\
85 	((bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 11) ? 0x18 : 0)
86 #define	BWN_PIO_RXQOFFSET(mac)						\
87 	((bhnd_get_hwrev(mac->mac_sc->sc_dev) >= 11) ? 0x38 : 8)
88 #define	BWN_SEC_NEWAPI(mac)		(mac->mac_fw.rev >= 351)
89 #define	BWN_SEC_KEY2FW(mac, idx)					\
90 	(BWN_SEC_NEWAPI(mac) ? idx : ((idx >= 4) ? idx - 4 : idx))
91 #define	BWN_RF_READ(mac, r)		(mac->mac_phy.rf_read(mac, r))
92 #define	BWN_RF_WRITE(mac, r, v)		(mac->mac_phy.rf_write(mac, r, v))
93 #define	BWN_RF_MASK(mac, o, m)						\
94 	BWN_RF_WRITE(mac, o, BWN_RF_READ(mac, o) & m)
95 #define	BWN_RF_SETMASK(mac, offset, mask, set)				\
96 	BWN_RF_WRITE(mac, offset, (BWN_RF_READ(mac, offset) & mask) | set)
97 #define	BWN_RF_SET(mac, offset, set)					\
98 	BWN_RF_WRITE(mac, offset, BWN_RF_READ(mac, offset) | set)
99 #define	BWN_PHY_READ(mac, r)		(mac->mac_phy.phy_read(mac, r))
100 #define	BWN_PHY_WRITE(mac, r, v)					\
101 	(mac->mac_phy.phy_write(mac, r, v))
102 #define	BWN_PHY_SET(mac, offset, set)	do {				\
103 	if (mac->mac_phy.phy_maskset != NULL) {				\
104 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
105 		    mac->mac_suspended > 0,				\
106 		    ("dont access PHY or RF registers after turning on MAC")); \
107 		mac->mac_phy.phy_maskset(mac, offset, 0xffff, set);	\
108 	} else								\
109 		BWN_PHY_WRITE(mac, offset,				\
110 		    BWN_PHY_READ(mac, offset) | (set));			\
111 } while (0)
112 #define	BWN_PHY_SETMASK(mac, offset, mask, set)	do {			\
113 	if (mac->mac_phy.phy_maskset != NULL) {				\
114 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
115 		    mac->mac_suspended > 0,				\
116 		    ("dont access PHY or RF registers after turning on MAC")); \
117 		mac->mac_phy.phy_maskset(mac, offset, mask, set);	\
118 	} else								\
119 		BWN_PHY_WRITE(mac, offset,				\
120 		    (BWN_PHY_READ(mac, offset) & (mask)) | (set));	\
121 } while (0)
122 #define	BWN_PHY_MASK(mac, offset, mask)	do {				\
123 	if (mac->mac_phy.phy_maskset != NULL) {				\
124 		KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||	\
125 		    mac->mac_suspended > 0,				\
126 		    ("dont access PHY or RF registers after turning on MAC")); \
127 		mac->mac_phy.phy_maskset(mac, offset, mask, 0);		\
128 	} else								\
129 		BWN_PHY_WRITE(mac, offset,				\
130 		    BWN_PHY_READ(mac, offset) & (mask));		\
131 } while (0)
132 #define	BWN_PHY_COPY(mac, dst, src)	do {				\
133 	KASSERT(mac->mac_status < BWN_MAC_STATUS_INITED ||		\
134 	    mac->mac_suspended > 0,					\
135 	    ("dont access PHY or RF registers after turning on MAC"));	\
136 	BWN_PHY_WRITE(mac, dst, BWN_PHY_READ(mac, src));		\
137 } while (0)
138 #define BWN_LO_CALIB_EXPIRE		(1000 * (30 - 2))
139 #define BWN_LO_PWRVEC_EXPIRE		(1000 * (30 - 2))
140 #define BWN_LO_TXCTL_EXPIRE		(1000 * (180 - 4))
141 #define BWN_LPD(L, P, D)		(((L) << 2) | ((P) << 1) | ((D) << 0))
142 #define BWN_BITREV4(tmp)		(BWN_BITREV8(tmp) >> 4)
143 #define	BWN_BITREV8(byte)		(bwn_bitrev_table[byte])
144 #define	BWN_BBATTCMP(a, b)		((a)->att == (b)->att)
145 #define	BWN_RFATTCMP(a, b)						\
146 	(((a)->att == (b)->att) && ((a)->padmix == (b)->padmix))
147 #define	BWN_PIO_WRITE_2(mac, tq, offset, value)				\
148 	BWN_WRITE_2(mac, (tq)->tq_base + offset, value)
149 #define	BWN_PIO_READ_4(mac, tq, offset)					\
150 	BWN_READ_4(mac, tq->tq_base + offset)
151 #define	BWN_ISCCKRATE(rate)						\
152 	(rate == BWN_CCK_RATE_1MB || rate == BWN_CCK_RATE_2MB ||	\
153 	 rate == BWN_CCK_RATE_5MB || rate == BWN_CCK_RATE_11MB)
154 #define	BWN_ISOFDMRATE(rate)		(!BWN_ISCCKRATE(rate))
155 #define	BWN_BARRIER(mac, offset, length, flags)			\
156 	bus_barrier((mac)->mac_sc->sc_mem_res, (offset), (length), (flags))
157 #define	BWN_DMA_READ(dr, offset)				\
158 	(BWN_READ_4(dr->dr_mac, dr->dr_base + offset))
159 #define	BWN_DMA_WRITE(dr, offset, value)			\
160 	(BWN_WRITE_4(dr->dr_mac, dr->dr_base + offset, value))
161 
162 typedef enum {
163 	BWN_PHY_BAND_2G = 0,
164 	BWN_PHY_BAND_5G_LO = 1,
165 	BWN_PHY_BAND_5G_MI = 2,
166 	BWN_PHY_BAND_5G_HI = 3
167 } bwn_phy_band_t;
168 
169 typedef enum {
170 	BWN_BAND_2G,
171 	BWN_BAND_5G,
172 } bwn_band_t;
173 
174 typedef enum {
175 	BWN_CHAN_TYPE_20,
176 	BWN_CHAN_TYPE_20_HT,
177 	BWN_CHAN_TYPE_40_HT_U,
178 	BWN_CHAN_TYPE_40_HT_D,
179 } bwn_chan_type_t;
180 
181 struct bwn_rate {
182 	uint16_t			rateid;
183 	uint32_t			flags;
184 };
185 
186 #define	BWN_ANT0			0
187 #define	BWN_ANT1			1
188 #define	BWN_ANTAUTO0			2
189 #define	BWN_ANTAUTO1			3
190 #define	BWN_ANT2			4
191 #define	BWN_ANT3			8
192 #define	BWN_ANTAUTO			BWN_ANTAUTO0
193 #define	BWN_ANT_DEFAULT			BWN_ANTAUTO
194 #define	BWN_TX_SLOTS_PER_FRAME		2
195 
196 struct bwn_channel {
197 	unsigned			freq;
198 	unsigned			ieee;
199 	unsigned			maxTxPow;
200 };
201 
202 struct bwn_channelinfo {
203 	struct bwn_channel		channels[IEEE80211_CHAN_MAX];
204 	unsigned			nchannels;
205 };
206 
207 struct bwn_bbatt {
208 	uint8_t				att;
209 };
210 
211 struct bwn_bbatt_list {
212 	const struct bwn_bbatt		*array;
213 	uint8_t				len;
214 	uint8_t				min;
215 	uint8_t				max;
216 };
217 
218 struct bwn_rfatt {
219 	uint8_t				att;
220 	int				padmix;
221 };
222 
223 struct bwn_rfatt_list {
224 	const struct bwn_rfatt		*array;
225 	uint8_t				len;
226 	uint8_t				min;
227 	uint8_t				max;
228 };
229 
230 #define	BWN_DC_LT_SIZE			32
231 
232 struct bwn_loctl {
233 	int8_t				i;
234 	int8_t				q;
235 };
236 
237 typedef enum {
238 	BWN_TXPWR_RES_NEED_ADJUST,
239 	BWN_TXPWR_RES_DONE,
240 } bwn_txpwr_result_t;
241 
242 struct bwn_lo_calib {
243 	struct bwn_bbatt		bbatt;
244 	struct bwn_rfatt		rfatt;
245 	struct bwn_loctl		ctl;
246 	unsigned long			calib_time;
247 	TAILQ_ENTRY(bwn_lo_calib)	list;
248 };
249 
250 struct bwn_rxhdr4 {
251 	uint16_t			frame_len;
252 	uint8_t				pad1[2];
253 	uint16_t			phy_status0;
254 	union {
255 		struct {
256 			uint8_t		rssi;
257 			uint8_t		sig_qual;
258 		} __packed abg;
259 		struct {
260 			int8_t		power0;
261 			int8_t		power1;
262 		} __packed n;
263 	} __packed phy;
264 	union {
265 		struct {
266 			int8_t		power2;
267 			uint8_t		pad;
268 		} __packed n;
269 		struct {
270 			uint8_t		pad;
271 			int8_t		ht_power0;
272 		} __packed ht;
273 		uint16_t		phy_status2;
274 	} __packed ps2;
275 	union {
276 		struct {
277 			uint16_t	phy_status3;
278 		} __packed lp;
279 		struct {
280 			int8_t		phy_ht_power1;
281 			int8_t		phy_ht_power2;
282 		} __packed ht;
283 	} __packed ps3;
284 	union {
285 		struct {
286 			uint32_t	mac_status;
287 			uint16_t	mac_time;
288 			uint16_t	channel;
289 		} __packed r351;
290 		struct {
291 			uint16_t	phy_status4;
292 			uint16_t	phy_status5;
293 			uint32_t	mac_status;
294 			uint16_t	mac_time;
295 			uint16_t	channel;
296 		} __packed r598;
297 	} __packed ps4;
298 } __packed;
299 
300 struct bwn_txstatus {
301 	uint16_t			cookie;
302 	uint16_t			seq;
303 	uint8_t				phy_stat;
304 	uint8_t				framecnt;
305 	uint8_t				rtscnt;
306 	uint8_t				sreason;
307 	uint8_t				pm;
308 	uint8_t				im;
309 	uint8_t				ampdu;
310 	uint8_t				ack;
311 };
312 
313 #define	BWN_TXCTL_PA3DB			0x40
314 #define	BWN_TXCTL_PA2DB			0x20
315 #define	BWN_TXCTL_TXMIX			0x10
316 
317 struct bwn_txpwr_loctl {
318 	struct bwn_rfatt_list		rfatt;
319 	struct bwn_bbatt_list		bbatt;
320 	uint16_t			dc_lt[BWN_DC_LT_SIZE];
321 	TAILQ_HEAD(, bwn_lo_calib)	calib_list;
322 	unsigned long			pwr_vec_read_time;
323 	unsigned long			txctl_measured_time;
324 	uint8_t				tx_bias;
325 	uint8_t				tx_magn;
326 	uint64_t			power_vector;
327 };
328 
329 #define	BWN_OFDMTAB_DIR_UNKNOWN		0
330 #define	BWN_OFDMTAB_DIR_READ		1
331 #define	BWN_OFDMTAB_DIR_WRITE		2
332 
333 struct bwn_phy_g {
334 	unsigned			pg_flags;
335 #define	BWN_PHY_G_FLAG_TSSITABLE_ALLOC	(1 << 0)
336 #define	BWN_PHY_G_FLAG_RADIOCTX_VALID	(1 << 1)
337 	int				pg_aci_enable;
338 	int				pg_aci_wlan_automatic;
339 	int				pg_aci_hw_rssi;
340 	int				pg_rf_on;
341 	uint16_t			pg_radioctx_over;
342 	uint16_t			pg_radioctx_overval;
343 	uint16_t			pg_minlowsig[2];
344 	uint16_t			pg_minlowsigpos[2];
345 	uint16_t			pg_pa0maxpwr;
346 	int8_t				*pg_tssi2dbm;
347 	int				pg_idletssi;
348 	int				pg_curtssi;
349 	uint8_t				pg_avgtssi;
350 	struct bwn_bbatt		pg_bbatt;
351 	struct bwn_rfatt		pg_rfatt;
352 	uint8_t				pg_txctl;
353 	int				pg_bbatt_delta;
354 	int				pg_rfatt_delta;
355 
356 	struct bwn_txpwr_loctl		pg_loctl;
357 	int16_t				pg_max_lb_gain;
358 	int16_t				pg_trsw_rx_gain;
359 	int16_t				pg_lna_lod_gain;
360 	int16_t				pg_lna_gain;
361 	int16_t				pg_pga_gain;
362 	int				pg_immode;
363 #define	BWN_INTERFSTACK_SIZE	26
364 	uint32_t			pg_interfstack[BWN_INTERFSTACK_SIZE];
365 
366 	int16_t				pg_nrssi[2];
367 	int32_t				pg_nrssi_slope;
368 	int8_t				pg_nrssi_lt[64];
369 
370 	uint16_t			pg_lofcal;
371 
372 	uint16_t			pg_initval;
373 	uint16_t			pg_ofdmtab_addr;
374 	unsigned			pg_ofdmtab_dir;
375 };
376 
377 #define	BWN_IMMODE_NONE			0
378 #define	BWN_IMMODE_NONWLAN		1
379 #define	BWN_IMMODE_MANUAL		2
380 #define	BWN_IMMODE_AUTO			3
381 
382 #define	BWN_PHYLP_TXPCTL_UNKNOWN	0
383 #define	BWN_PHYLP_TXPCTL_OFF		1
384 #define	BWN_PHYLP_TXPCTL_ON_SW		2
385 #define	BWN_PHYLP_TXPCTL_ON_HW		3
386 
387 struct bwn_phy_lp {
388 	uint8_t				plp_chan;
389 	uint8_t				plp_chanfullcal;
390 	int32_t				plp_antenna;
391 	uint8_t				plp_txpctlmode;
392 	uint8_t				plp_txisoband_h;
393 	uint8_t				plp_txisoband_m;
394 	uint8_t				plp_txisoband_l;
395 	uint8_t				plp_rxpwroffset;
396 	int8_t				plp_txpwridx;
397 	uint16_t			plp_tssiidx;
398 	uint16_t			plp_tssinpt;
399 	uint8_t				plp_rssivf;
400 	uint8_t				plp_rssivc;
401 	uint8_t				plp_rssigs;
402 	uint8_t				plp_rccap;
403 	uint8_t				plp_bxarch;
404 	uint8_t				plp_crsusr_off;
405 	uint8_t				plp_crssys_off;
406 	uint32_t			plp_div;
407 	int32_t				plp_tonefreq;
408 	uint16_t			plp_digfilt[9];
409 };
410 
411 /* for LP */
412 struct bwn_txgain {
413 	uint16_t			tg_gm;
414 	uint16_t			tg_pga;
415 	uint16_t			tg_pad;
416 	uint16_t			tg_dac;
417 };
418 
419 struct bwn_rxcompco {
420 	uint8_t				rc_chan;
421 	int8_t				rc_c1;
422 	int8_t				rc_c0;
423 };
424 
425 struct bwn_phy_lp_iq_est {
426 	uint32_t			ie_iqprod;
427 	uint32_t			ie_ipwr;
428 	uint32_t			ie_qpwr;
429 };
430 
431 struct bwn_txgain_entry {
432 	uint8_t				te_gm;
433 	uint8_t				te_pga;
434 	uint8_t				te_pad;
435 	uint8_t				te_dac;
436 	uint8_t				te_bbmult;
437 };
438 
439 /* only for LP PHY */
440 struct bwn_stxtable {
441 	uint16_t			st_phyoffset;
442 	uint16_t			st_physhift;
443 	uint16_t			st_rfaddr;
444 	uint16_t			st_rfshift;
445 	uint16_t			st_mask;
446 };
447 
448 struct bwn_b206x_chan {
449 	uint8_t				bc_chan;
450 	uint16_t			bc_freq;
451 	const uint8_t			*bc_data;
452 };
453 
454 struct bwn_b206x_rfinit_entry {
455 	uint16_t			br_offset;
456 	uint16_t			br_valuea;
457 	uint16_t			br_valueg;
458 	uint8_t				br_flags;
459 };
460 
461 struct bwn_phy_n;
462 
463 struct bwn_phy {
464 	uint8_t				type;
465 	uint8_t				rev;
466 	uint8_t				analog;
467 
468 	int				supports_2ghz;
469 	int				supports_5ghz;
470 
471 	int				gmode;
472 	struct bwn_phy_g		phy_g;
473 	struct bwn_phy_lp		phy_lp;
474 
475 	/*
476 	 * I'd like the newer PHY code to not hide in the top-level
477 	 * structs..
478 	 */
479 	struct bwn_phy_n		*phy_n;
480 
481 	uint16_t			rf_manuf;
482 	uint16_t			rf_ver;
483 	uint8_t				rf_rev;
484 	int				rf_on;
485 	int				phy_do_full_init;
486 
487 	int				txpower;
488 	int				hwpctl;
489 	unsigned long			nexttime;
490 	unsigned int			chan;
491 	int				txerrors;
492 
493 	int				(*attach)(struct bwn_mac *);
494 	void				(*detach)(struct bwn_mac *);
495 	int				(*prepare_hw)(struct bwn_mac *);
496 	void				(*init_pre)(struct bwn_mac *);
497 	int				(*init)(struct bwn_mac *);
498 	void				(*exit)(struct bwn_mac *);
499 	uint16_t			(*phy_read)(struct bwn_mac *, uint16_t);
500 	void				(*phy_write)(struct bwn_mac *, uint16_t,
501 					    uint16_t);
502 	void				(*phy_maskset)(struct bwn_mac *,
503 					    uint16_t, uint16_t, uint16_t);
504 	uint16_t			(*rf_read)(struct bwn_mac *, uint16_t);
505 	void				(*rf_write)(struct bwn_mac *, uint16_t,
506 					    uint16_t);
507 	int				(*use_hwpctl)(struct bwn_mac *);
508 	void				(*rf_onoff)(struct bwn_mac *, int);
509 	void				(*switch_analog)(struct bwn_mac *, int);
510 	int				(*switch_channel)(struct bwn_mac *,
511 					    unsigned int);
512 	uint32_t			(*get_default_chan)(struct bwn_mac *);
513 	void				(*set_antenna)(struct bwn_mac *, int);
514 	int				(*set_im)(struct bwn_mac *, int);
515 	bwn_txpwr_result_t		(*recalc_txpwr)(struct bwn_mac *, int);
516 	void				(*set_txpwr)(struct bwn_mac *);
517 	void				(*task_15s)(struct bwn_mac *);
518 	void				(*task_60s)(struct bwn_mac *);
519 };
520 
521 struct bwn_chan_band {
522 	uint32_t			flags;
523 	uint8_t				nchan;
524 #define	BWN_MAX_CHAN_PER_BAND		14
525 	uint8_t				chan[BWN_MAX_CHAN_PER_BAND];
526 };
527 
528 #define	BWN_NR_WMEPARAMS		16
529 enum {
530 	BWN_WMEPARAM_TXOP = 0,
531 	BWN_WMEPARAM_CWMIN,
532 	BWN_WMEPARAM_CWMAX,
533 	BWN_WMEPARAM_CWCUR,
534 	BWN_WMEPARAM_AIFS,
535 	BWN_WMEPARAM_BSLOTS,
536 	BWN_WMEPARAM_REGGAP,
537 	BWN_WMEPARAM_STATUS,
538 };
539 
540 #define	BWN_WME_PARAMS(queue)	\
541 	(BWN_SHARED_EDCFQ + (BWN_NR_WMEPARAMS * sizeof(uint16_t) * (queue)))
542 #define	BWN_WME_BACKGROUND	BWN_WME_PARAMS(0)
543 #define	BWN_WME_BESTEFFORT	BWN_WME_PARAMS(1)
544 #define	BWN_WME_VIDEO		BWN_WME_PARAMS(2)
545 #define	BWN_WME_VOICE		BWN_WME_PARAMS(3)
546 
547 /*
548  * Radio capture format.
549  */
550 #define	BWN_RX_RADIOTAP_PRESENT (		\
551 	(1 << IEEE80211_RADIOTAP_TSFT)		| \
552 	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
553 	(1 << IEEE80211_RADIOTAP_RATE)		| \
554 	(1 << IEEE80211_RADIOTAP_CHANNEL)	| \
555 	(1 << IEEE80211_RADIOTAP_ANTENNA)	| \
556 	(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL)	| \
557 	(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE)	| \
558 	0)
559 
560 struct bwn_rx_radiotap_header {
561 	struct ieee80211_radiotap_header wr_ihdr;
562 	uint64_t			wr_tsf;
563 	u_int8_t			wr_flags;
564 	u_int8_t			wr_rate;
565 	u_int16_t			wr_chan_freq;
566 	u_int16_t			wr_chan_flags;
567 	int8_t				wr_antsignal;
568 	int8_t				wr_antnoise;
569 	u_int8_t			wr_antenna;
570 } __packed __aligned(8);
571 
572 #define	BWN_TX_RADIOTAP_PRESENT (		\
573 	(1 << IEEE80211_RADIOTAP_FLAGS)		| \
574 	(1 << IEEE80211_RADIOTAP_RATE)		| \
575 	(1 << IEEE80211_RADIOTAP_CHANNEL)	| \
576 	(1 << IEEE80211_RADIOTAP_DBM_TX_POWER)	| \
577 	(1 << IEEE80211_RADIOTAP_ANTENNA)	| \
578 	0)
579 
580 struct bwn_tx_radiotap_header {
581 	struct ieee80211_radiotap_header wt_ihdr;
582 	u_int8_t			wt_flags;
583 	u_int8_t			wt_rate;
584 	u_int16_t			wt_chan_freq;
585 	u_int16_t			wt_chan_flags;
586 	u_int8_t			wt_txpower;
587 	u_int8_t			wt_antenna;
588 } __packed;
589 
590 struct bwn_stats {
591 	int32_t				rtsfail;
592 	int32_t				rts;
593 	int32_t				link_noise;
594 };
595 
596 /* Noise Calculation (Link Quality) */
597 struct bwn_noise {
598 	uint8_t				noi_running;
599 	uint8_t				noi_nsamples;
600 	int8_t				noi_samples[8][4];
601 };
602 
603 struct bwn_dmadesc_meta {
604 	bus_dmamap_t			mt_dmap;
605 	bus_addr_t			mt_paddr;
606 	struct mbuf			*mt_m;
607 	struct ieee80211_node		*mt_ni;
608 	uint8_t				mt_txtype;
609 #define	BWN_DMADESC_METATYPE_HEADER	0
610 #define	BWN_DMADESC_METATYPE_BODY	1
611 	uint8_t				mt_islast;
612 };
613 
614 #define	BWN_DMAINTR_FATALMASK	\
615 	((1 << 10) | (1 << 11) | (1 << 12) | (1 << 14) | (1 << 15))
616 #define	BWN_DMAINTR_NONFATALMASK	(1 << 13)
617 #define	BWN_DMAINTR_RX_DONE		(1 << 16)
618 
619 #define	BWN_DMA32_DCTL_BYTECNT		0x00001fff
620 #define	BWN_DMA32_DCTL_ADDREXT_MASK	0x00030000
621 #define	BWN_DMA32_DCTL_ADDREXT_SHIFT	16
622 #define	BWN_DMA32_DCTL_DTABLEEND	0x10000000
623 #define	BWN_DMA32_DCTL_IRQ		0x20000000
624 #define	BWN_DMA32_DCTL_FRAMEEND		0x40000000
625 #define	BWN_DMA32_DCTL_FRAMESTART	0x80000000
626 struct bwn_dmadesc32 {
627 	uint32_t			control;
628 	uint32_t			address;
629 } __packed;
630 
631 #define	BWN_DMA64_DCTL0_DTABLEEND	0x10000000
632 #define	BWN_DMA64_DCTL0_IRQ		0x20000000
633 #define	BWN_DMA64_DCTL0_FRAMEEND	0x40000000
634 #define	BWN_DMA64_DCTL0_FRAMESTART	0x80000000
635 #define	BWN_DMA64_DCTL1_BYTECNT		0x00001fff
636 #define	BWN_DMA64_DCTL1_ADDREXT_MASK	0x00030000
637 #define	BWN_DMA64_DCTL1_ADDREXT_SHIFT	16
638 struct bwn_dmadesc64 {
639 	uint32_t			control0;
640 	uint32_t			control1;
641 	uint32_t			address_low;
642 	uint32_t			address_high;
643 } __packed;
644 
645 struct bwn_dmadesc_generic {
646 	union {
647 		struct bwn_dmadesc32 dma32;
648 		struct bwn_dmadesc64 dma64;
649 	} __packed dma;
650 } __packed;
651 
652 struct bwn_dma_ring;
653 
654 struct bwn_dma_ring {
655 	struct bwn_mac			*dr_mac;
656 	const struct bwn_dma_ops	*dr_ops;
657 	struct bwn_dmadesc_meta		*dr_meta;
658 	void				*dr_txhdr_cache;
659 	bus_dma_tag_t			dr_ring_dtag;
660 	bus_dma_tag_t			dr_txring_dtag;
661 	bus_dmamap_t			dr_spare_dmap; /* only for RX */
662 	bus_dmamap_t			dr_ring_dmap;
663 	bus_addr_t			dr_txring_paddr;
664 	void				*dr_ring_descbase;
665 	bus_addr_t			dr_ring_dmabase;
666 	int				dr_numslots;
667 	int				dr_usedslot;
668 	int				dr_curslot;
669 	uint32_t			dr_frameoffset;
670 	uint16_t			dr_rx_bufsize;
671 	uint16_t			dr_base;
672 	int				dr_index;
673 	uint8_t				dr_tx;
674 	uint8_t				dr_stop;
675 	int				dr_type;
676 
677 	void				(*getdesc)(struct bwn_dma_ring *,
678 					    int, struct bwn_dmadesc_generic **,
679 					    struct bwn_dmadesc_meta **);
680 	void				(*setdesc)(struct bwn_dma_ring *,
681 					    struct bwn_dmadesc_generic *,
682 					    bus_addr_t, uint16_t, int, int,
683 					    int);
684 	void				(*start_transfer)(struct bwn_dma_ring *,
685 					    int);
686 	void				(*suspend)(struct bwn_dma_ring *);
687 	void				(*resume)(struct bwn_dma_ring *);
688 	int				(*get_curslot)(struct bwn_dma_ring *);
689 	void				(*set_curslot)(struct bwn_dma_ring *,
690 					    int);
691 };
692 
693 struct bwn_dma {
694 	bus_dma_tag_t			parent_dtag;
695 	bus_dma_tag_t			rxbuf_dtag;
696 	bus_dma_tag_t			txbuf_dtag;
697 	struct bhnd_dma_translation	translation;
698 	u_int				addrext_shift;
699 
700 	struct bwn_dma_ring		*wme[5];
701 	struct bwn_dma_ring		*mcast;
702 	struct bwn_dma_ring		*rx;
703 	uint64_t			lastseq;	/* XXX FIXME */
704 };
705 
706 struct bwn_pio_rxqueue {
707 	struct bwn_mac			*prq_mac;
708 	uint16_t			prq_base;
709 	uint8_t				prq_rev;
710 };
711 
712 struct bwn_pio_txqueue;
713 struct bwn_pio_txpkt {
714 	struct bwn_pio_txqueue		*tp_queue;
715 	struct ieee80211_node		*tp_ni;
716 	struct mbuf			*tp_m;
717 	uint8_t				tp_index;
718 	TAILQ_ENTRY(bwn_pio_txpkt)	tp_list;
719 };
720 
721 #define	BWN_PIO_MAX_TXPACKETS		32
722 struct bwn_pio_txqueue {
723 	uint16_t			tq_base;
724 	uint16_t			tq_size;
725 	uint16_t			tq_used;
726 	uint16_t			tq_free;
727 	uint8_t				tq_index;
728 	struct bwn_pio_txpkt		tq_pkts[BWN_PIO_MAX_TXPACKETS];
729 	TAILQ_HEAD(, bwn_pio_txpkt)	tq_pktlist;
730 };
731 
732 struct bwn_pio {
733 	struct bwn_pio_txqueue		wme[5];
734 	struct bwn_pio_txqueue		mcast;
735 	struct bwn_pio_rxqueue		rx;
736 };
737 
738 struct bwn_plcp4 {
739 	union {
740 		uint32_t		data;
741 		uint8_t			raw[4];
742 	} __packed o;
743 } __packed;
744 
745 struct bwn_plcp6 {
746 	union {
747 		uint32_t		data;
748 		uint8_t			raw[6];
749 	} __packed o;
750 } __packed;
751 
752 struct bwn_txhdr {
753 	uint32_t			macctl;
754 	uint8_t				macfc[2];
755 	uint16_t			tx_festime;
756 	uint16_t			phyctl;
757 	uint16_t			phyctl_1;
758 	uint16_t			phyctl_1fb;
759 	uint16_t			phyctl_1rts;
760 	uint16_t			phyctl_1rtsfb;
761 	uint8_t				phyrate;
762 	uint8_t				phyrate_rts;
763 	uint8_t				eftypes;	/* extra frame types */
764 	uint8_t				chan;
765 	uint8_t				iv[16];
766 	uint8_t				addr1[IEEE80211_ADDR_LEN];
767 	uint16_t			tx_festime_fb;
768 	struct bwn_plcp6		rts_plcp_fb;
769 	uint16_t			rts_dur_fb;
770 	struct bwn_plcp6		plcp_fb;
771 	uint16_t			dur_fb;
772 	uint16_t			mimo_modelen;
773 	uint16_t			mimo_ratelen_fb;
774 	uint32_t			timeout;
775 
776 	union {
777 		/* format <= r351 */
778 		struct {
779 			uint8_t		pad0[2];
780 			uint16_t	cookie;
781 			uint16_t	tx_status;
782 			struct bwn_plcp6	rts_plcp;
783 			uint8_t		rts_frame[16];
784 			uint8_t		pad1[2];
785 			struct bwn_plcp6	plcp;
786 		} __packed r351;
787 		/* format > r410 < r598 */
788 		struct {
789 			uint16_t	mimo_antenna;
790 			uint16_t	preload_size;
791 			uint8_t		pad0[2];
792 			uint16_t	cookie;
793 			uint16_t	tx_status;
794 			struct bwn_plcp6	rts_plcp;
795 			uint8_t		rts_frame[16];
796 			uint8_t		pad1[2];
797 			struct bwn_plcp6	plcp;
798 		} __packed r410;
799 		struct {
800 			uint16_t	mimo_antenna;
801 			uint16_t	preload_size;
802 			uint8_t		pad0[2];
803 			uint16_t	cookie;
804 			uint16_t	tx_status;
805 			uint16_t	max_n_mpdus;
806 			uint16_t	max_a_bytes_mrt;
807 			uint16_t	max_a_bytes_fbr;
808 			uint16_t	min_m_bytes;
809 			struct bwn_plcp6	rts_plcp;
810 			uint8_t		rts_frame[16];
811 			uint8_t		pad1[2];
812 			struct bwn_plcp6	plcp;
813 		} __packed r598;
814 	} __packed body;
815 } __packed;
816 
817 #define	BWN_FWTYPE_UCODE		'u'
818 #define	BWN_FWTYPE_PCM			'p'
819 #define	BWN_FWTYPE_IV			'i'
820 struct bwn_fwhdr {
821 	uint8_t				type;
822 	uint8_t				ver;
823 	uint8_t				pad[2];
824 	uint32_t			size;
825 } __packed;
826 
827 #define	BWN_FWINITVALS_OFFSET_MASK	0x7fff
828 #define	BWN_FWINITVALS_32BIT		0x8000
829 struct bwn_fwinitvals {
830 	uint16_t			offset_size;
831 	union {
832 		uint16_t		d16;
833 		uint32_t		d32;
834 	} __packed data;
835 } __packed;
836 
837 enum bwn_fw_hdr_format {
838 	BWN_FW_HDR_598,
839 	BWN_FW_HDR_410,
840 	BWN_FW_HDR_351,
841 };
842 
843 enum bwn_fwtype {
844 	BWN_FWTYPE_DEFAULT,
845 	BWN_FWTYPE_OPENSOURCE,
846 	BWN_NR_FWTYPES,
847 };
848 
849 struct bwn_fwfile {
850 	const char			*filename;
851 	const struct firmware		*fw;
852 	enum bwn_fwtype			type;
853 };
854 
855 struct bwn_key {
856 	void				*keyconf;
857 	uint8_t				algorithm;
858 };
859 
860 struct bwn_fw {
861 	struct bwn_fwfile		ucode;
862 	struct bwn_fwfile		pcm;
863 	struct bwn_fwfile		initvals;
864 	struct bwn_fwfile		initvals_band;
865 	enum bwn_fw_hdr_format		fw_hdr_format;
866 
867 	uint16_t			rev;
868 	uint16_t			patch;
869 	uint8_t				opensource;
870 	uint8_t				no_pcmfile;
871 };
872 
873 struct bwn_lo_g_sm {
874 	int				curstate;
875 	int				nmeasure;
876 	int				multipler;
877 	uint16_t			feedth;
878 	struct bwn_loctl		loctl;
879 };
880 
881 struct bwn_lo_g_value {
882 	uint8_t				old_channel;
883 	uint16_t			phy_lomask;
884 	uint16_t			phy_extg;
885 	uint16_t			phy_dacctl_hwpctl;
886 	uint16_t			phy_dacctl;
887 	uint16_t			phy_hpwr_tssictl;
888 	uint16_t			phy_analogover;
889 	uint16_t			phy_analogoverval;
890 	uint16_t			phy_rfover;
891 	uint16_t			phy_rfoverval;
892 	uint16_t			phy_classctl;
893 	uint16_t			phy_crs0;
894 	uint16_t			phy_pgactl;
895 	uint16_t			phy_syncctl;
896 	uint16_t			phy_cck0;
897 	uint16_t			phy_cck1;
898 	uint16_t			phy_cck2;
899 	uint16_t			phy_cck3;
900 	uint16_t			phy_cck4;
901 	uint16_t			reg0;
902 	uint16_t			reg1;
903 	uint16_t			rf0;
904 	uint16_t			rf1;
905 	uint16_t			rf2;
906 };
907 
908 #define	BWN_LED_MAX			4
909 
910 #define	BWN_LED_EVENT_NONE		-1
911 #define	BWN_LED_EVENT_POLL		0
912 #define	BWN_LED_EVENT_TX		1
913 #define	BWN_LED_EVENT_RX		2
914 #define	BWN_LED_SLOWDOWN(dur)		(dur) = (((dur) * 3) / 2)
915 
916 struct bwn_led {
917 	uint8_t				led_flags;	/* BWN_LED_F_ */
918 	uint8_t				led_act;	/* BWN_LED_ACT_ */
919 	uint8_t				led_mask;
920 };
921 
922 #define	BWN_LED_F_ACTLOW		0x1
923 #define	BWN_LED_F_BLINK			0x2
924 #define	BWN_LED_F_POLLABLE		0x4
925 #define	BWN_LED_F_SLOW			0x8
926 
927 struct bwn_mac {
928 	struct bwn_softc		*mac_sc;
929 	unsigned			mac_status;
930 #define	BWN_MAC_STATUS_UNINIT		0
931 #define	BWN_MAC_STATUS_INITED		1
932 #define	BWN_MAC_STATUS_STARTED		2
933 	unsigned			mac_flags;
934 	/* use "Bad Frames Preemption" */
935 #define	BWN_MAC_FLAG_BADFRAME_PREEMP	(1 << 0)
936 #define	BWN_MAC_FLAG_DFQVALID		(1 << 1)
937 #define	BWN_MAC_FLAG_RADIO_ON		(1 << 2)
938 #define	BWN_MAC_FLAG_DMA		(1 << 3)
939 #define	BWN_MAC_FLAG_WME		(1 << 4)
940 #define	BWN_MAC_FLAG_HWCRYPTO		(1 << 5)
941 
942 	struct resource			*mac_res_irq;
943 	int				 mac_rid_irq;
944 	void				*mac_intrhand;
945 
946 	struct bwn_noise		mac_noise;
947 	struct bwn_phy			mac_phy;
948 	struct bwn_stats		mac_stats;
949 	uint32_t			mac_reason_intr;
950 	uint32_t			mac_reason[6];
951 	uint32_t			mac_intr_mask;
952 	int				mac_suspended;
953 
954 	struct bwn_fw			mac_fw;
955 
956 	int				mac_dmatype;
957 	union {
958 		struct bwn_dma		dma;
959 		struct bwn_pio		pio;
960 	} mac_method;
961 
962 	uint16_t			mac_ktp;	/* Key table pointer */
963 	uint8_t				mac_max_nr_keys;
964 	struct bwn_key			mac_key[58];
965 
966 	unsigned int			mac_task_state;
967 	struct task			mac_intrtask;
968 	struct task			mac_hwreset;
969 	struct task			mac_txpower;
970 
971 	TAILQ_ENTRY(bwn_mac)	mac_list;
972 };
973 
974 static inline int
975 bwn_tx_hdrsize(struct bwn_mac *mac)
976 {
977 	switch (mac->mac_fw.fw_hdr_format) {
978 	case BWN_FW_HDR_598:
979 		return (112 + (sizeof(struct bwn_plcp6)));
980 	case BWN_FW_HDR_410:
981 		return (104 + (sizeof(struct bwn_plcp6)));
982 	case BWN_FW_HDR_351:
983 		return (100 + (sizeof(struct bwn_plcp6)));
984 	default:
985 		printf("%s: unknown header format (%d)\n", __func__,
986 		    mac->mac_fw.fw_hdr_format);
987 		return (112 + (sizeof(struct bwn_plcp6)));
988 	}
989 }
990 
991 /*
992  * Driver-specific vap state.
993  */
994 struct bwn_vap {
995 	struct ieee80211vap		bv_vap;	/* base class */
996 	int				(*bv_newstate)(struct ieee80211vap *,
997 					    enum ieee80211_state, int);
998 };
999 #define	BWN_VAP(vap)			((struct bwn_vap *)(vap))
1000 #define	BWN_VAP_CONST(vap)		((const struct mwl_vap *)(vap))
1001 
1002 enum bwn_quirk {
1003 	/**
1004 	 * The ucode PCI slowclock workaround is required on this device.
1005 	 * @see BWN_HF_PCI_SLOWCLOCK_WORKAROUND.
1006 	 */
1007 	BWN_QUIRK_UCODE_SLOWCLOCK_WAR	= (1<<0),
1008 
1009 	/**
1010 	 * DMA is unsupported on this device; PIO should be used instead.
1011 	 */
1012 	BWN_QUIRK_NODMA			= (1<<1),
1013 };
1014 
1015 struct bwn_softc {
1016 	device_t			sc_dev;
1017 	struct bhnd_board_info		sc_board_info;
1018 	struct bhnd_chipid		sc_cid;
1019 	uint32_t			sc_quirks;	/**< @see bwn_quirk */
1020 	struct resource			*sc_mem_res;
1021 	int				sc_mem_rid;
1022 
1023 	device_t			sc_chipc;	/**< ChipCommon device */
1024 	device_t			sc_gpio;	/**< GPIO device */
1025 	device_t			sc_pmu;		/**< PMU device, or NULL if unsupported */
1026 
1027 	struct mtx			sc_mtx;
1028 	struct ieee80211com		sc_ic;
1029 	struct mbufq			sc_snd;
1030 	unsigned			sc_flags;
1031 #define	BWN_FLAG_ATTACHED		(1 << 0)
1032 #define	BWN_FLAG_INVALID		(1 << 1)
1033 #define	BWN_FLAG_NEED_BEACON_TP		(1 << 2)
1034 #define	BWN_FLAG_RUNNING		(1 << 3)
1035 	unsigned			sc_debug;
1036 
1037 	struct bwn_mac		*sc_curmac;
1038 	TAILQ_HEAD(, bwn_mac)	sc_maclist;
1039 
1040 	uint8_t				sc_bssid[IEEE80211_ADDR_LEN];
1041 	unsigned int			sc_filters;
1042 	uint8_t				sc_beacons[2];
1043 	uint8_t				sc_rf_enabled;
1044 
1045 	struct wmeParams		sc_wmeParams[4];
1046 
1047 	struct callout			sc_rfswitch_ch;	/* for laptop */
1048 	struct callout			sc_task_ch;
1049 	struct callout			sc_watchdog_ch;
1050 	int				sc_watchdog_timer;
1051 	struct taskqueue		*sc_tq;	/* private task queue */
1052 	int				(*sc_newstate)(struct ieee80211com *,
1053 					    enum ieee80211_state, int);
1054 	void				(*sc_node_cleanup)(
1055 					    struct ieee80211_node *);
1056 
1057 	int				sc_rx_rate;
1058 	int				sc_tx_rate;
1059 
1060 	int				sc_led_blinking;
1061 	int				sc_led_ticks;
1062 	struct bwn_led			*sc_blink_led;
1063 	struct callout			sc_led_blink_ch;
1064 	int				sc_led_blink_offdur;
1065 	struct bwn_led			sc_leds[BWN_LED_MAX];
1066 	int				sc_led_idle;
1067 	int				sc_led_blink;
1068 
1069 	uint8_t				sc_ant2g;	/**< available 2GHz antennas */
1070 	uint8_t				sc_ant5g;	/**< available 5GHz antennas */
1071 
1072 	struct bwn_tx_radiotap_header	sc_tx_th;
1073 	struct bwn_rx_radiotap_header	sc_rx_th;
1074 };
1075 
1076 #define	BWN_LOCK_INIT(sc) \
1077 	mtx_init(&(sc)->sc_mtx, device_get_nameunit((sc)->sc_dev), \
1078 	    MTX_NETWORK_LOCK, MTX_DEF)
1079 #define	BWN_LOCK_DESTROY(sc)	mtx_destroy(&(sc)->sc_mtx)
1080 #define	BWN_LOCK(sc)		mtx_lock(&(sc)->sc_mtx)
1081 #define	BWN_UNLOCK(sc)		mtx_unlock(&(sc)->sc_mtx)
1082 #define	BWN_ASSERT_LOCKED(sc)	mtx_assert(&(sc)->sc_mtx, MA_OWNED)
1083 
1084 static inline bwn_band_t
1085 bwn_channel_band(struct bwn_mac *mac, struct ieee80211_channel *c)
1086 {
1087 	if (IEEE80211_IS_CHAN_5GHZ(c))
1088 		return BWN_BAND_5G;
1089 	/* XXX check 2g, log error if not 2g or 5g? */
1090 	return BWN_BAND_2G;
1091 }
1092 
1093 static inline bwn_band_t
1094 bwn_current_band(struct bwn_mac *mac)
1095 {
1096 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1097 	if (IEEE80211_IS_CHAN_5GHZ(ic->ic_curchan))
1098 		return BWN_BAND_5G;
1099 	/* XXX check 2g, log error if not 2g or 5g? */
1100 	return BWN_BAND_2G;
1101 }
1102 
1103 static inline bool
1104 bwn_is_40mhz(struct bwn_mac *mac)
1105 {
1106 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1107 
1108 	return !! (IEEE80211_IS_CHAN_HT40(ic->ic_curchan));
1109 }
1110 
1111 static inline int
1112 bwn_get_centre_freq(struct bwn_mac *mac)
1113 {
1114 
1115 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1116 	/* XXX TODO: calculate correctly for HT40 mode */
1117 	return ic->ic_curchan->ic_freq;
1118 }
1119 
1120 static inline int
1121 bwn_get_chan_centre_freq(struct bwn_mac *mac, struct ieee80211_channel *chan)
1122 {
1123 
1124 	/* XXX TODO: calculate correctly for HT40 mode */
1125 	return chan->ic_freq;
1126 }
1127 
1128 static inline int
1129 bwn_get_chan(struct bwn_mac *mac)
1130 {
1131 
1132 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1133 	/* XXX TODO: calculate correctly for HT40 mode */
1134 	return ic->ic_curchan->ic_ieee;
1135 }
1136 
1137 static inline struct ieee80211_channel *
1138 bwn_get_channel(struct bwn_mac *mac)
1139 {
1140 
1141 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1142 	return ic->ic_curchan;
1143 }
1144 
1145 static inline bool
1146 bwn_is_chan_passive(struct bwn_mac *mac)
1147 {
1148 
1149 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1150 	return !! IEEE80211_IS_CHAN_PASSIVE(ic->ic_curchan);
1151 }
1152 
1153 static inline bwn_chan_type_t
1154 bwn_get_chan_type(struct bwn_mac *mac, struct ieee80211_channel *c)
1155 {
1156 	struct ieee80211com *ic = &mac->mac_sc->sc_ic;
1157 	if (c == NULL)
1158 		c = ic->ic_curchan;
1159 	if (IEEE80211_IS_CHAN_HT40U(c))
1160 		return BWN_CHAN_TYPE_40_HT_U;
1161 	else if (IEEE80211_IS_CHAN_HT40D(c))
1162 		return BWN_CHAN_TYPE_40_HT_D;
1163 	else if (IEEE80211_IS_CHAN_HT20(c))
1164 		return BWN_CHAN_TYPE_20_HT;
1165 	else
1166 		return BWN_CHAN_TYPE_20;
1167 }
1168 
1169 static inline int
1170 bwn_get_chan_power(struct bwn_mac *mac, struct ieee80211_channel *c)
1171 {
1172 
1173 	/* return in dbm */
1174 	return c->ic_maxpower / 2;
1175 }
1176 
1177 #endif	/* !_IF_BWNVAR_H */
1178