xref: /freebsd/sys/dev/bwn/if_bwn_phy_g.c (revision d4eeb02986980bf33dd56c41ceb9fc5f180c0d47)
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 
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32 
33 #include "opt_bwn.h"
34 #include "opt_wlan.h"
35 
36 /*
37  * The Broadcom Wireless LAN controller driver.
38  */
39 
40 #include <sys/param.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/malloc.h>
44 #include <sys/module.h>
45 #include <sys/endian.h>
46 #include <sys/errno.h>
47 #include <sys/firmware.h>
48 #include <sys/lock.h>
49 #include <sys/mutex.h>
50 #include <machine/bus.h>
51 #include <machine/resource.h>
52 #include <sys/bus.h>
53 #include <sys/rman.h>
54 #include <sys/socket.h>
55 #include <sys/sockio.h>
56 
57 #include <net/ethernet.h>
58 #include <net/if.h>
59 #include <net/if_var.h>
60 #include <net/if_arp.h>
61 #include <net/if_dl.h>
62 #include <net/if_llc.h>
63 #include <net/if_media.h>
64 #include <net/if_types.h>
65 
66 #include <dev/pci/pcivar.h>
67 #include <dev/pci/pcireg.h>
68 
69 #include <net80211/ieee80211_var.h>
70 #include <net80211/ieee80211_radiotap.h>
71 #include <net80211/ieee80211_regdomain.h>
72 #include <net80211/ieee80211_phy.h>
73 #include <net80211/ieee80211_ratectl.h>
74 
75 #include <dev/bwn/if_bwnreg.h>
76 #include <dev/bwn/if_bwnvar.h>
77 
78 #include <dev/bwn/if_bwn_debug.h>
79 #include <dev/bwn/if_bwn_misc.h>
80 #include <dev/bwn/if_bwn_phy_g.h>
81 
82 #include "bhnd_nvram_map.h"
83 
84 static void	bwn_phy_g_init_sub(struct bwn_mac *);
85 static uint8_t	bwn_has_hwpctl(struct bwn_mac *);
86 static void	bwn_phy_init_b5(struct bwn_mac *);
87 static void	bwn_phy_init_b6(struct bwn_mac *);
88 static void	bwn_phy_init_a(struct bwn_mac *);
89 static void	bwn_loopback_calcgain(struct bwn_mac *);
90 static uint16_t	bwn_rf_init_bcm2050(struct bwn_mac *);
91 static void	bwn_lo_g_init(struct bwn_mac *);
92 static void	bwn_lo_g_adjust(struct bwn_mac *);
93 static void	bwn_lo_get_powervector(struct bwn_mac *);
94 static struct bwn_lo_calib *bwn_lo_calibset(struct bwn_mac *,
95 		    const struct bwn_bbatt *, const struct bwn_rfatt *);
96 static void	bwn_lo_write(struct bwn_mac *, struct bwn_loctl *);
97 static void	bwn_phy_hwpctl_init(struct bwn_mac *);
98 static void	bwn_phy_g_switch_chan(struct bwn_mac *, int, uint8_t);
99 static void	bwn_phy_g_set_txpwr_sub(struct bwn_mac *,
100 		    const struct bwn_bbatt *, const struct bwn_rfatt *,
101 		    uint8_t);
102 static void	bwn_phy_g_set_bbatt(struct bwn_mac *, uint16_t);
103 static uint16_t	bwn_rf_2050_rfoverval(struct bwn_mac *, uint16_t, uint32_t);
104 static void	bwn_spu_workaround(struct bwn_mac *, uint8_t);
105 static void	bwn_wa_init(struct bwn_mac *);
106 static void	bwn_ofdmtab_write_2(struct bwn_mac *, uint16_t, uint16_t,
107 		    uint16_t);
108 static void	bwn_ofdmtab_write_4(struct bwn_mac *, uint16_t, uint16_t,
109 		    uint32_t);
110 static void	bwn_gtab_write(struct bwn_mac *, uint16_t, uint16_t,
111 		    uint16_t);
112 static int16_t	bwn_nrssi_read(struct bwn_mac *, uint16_t);
113 static void	bwn_nrssi_offset(struct bwn_mac *);
114 static void	bwn_nrssi_threshold(struct bwn_mac *);
115 static void	bwn_nrssi_slope_11g(struct bwn_mac *);
116 static void	bwn_set_all_gains(struct bwn_mac *, int16_t, int16_t,
117 		    int16_t);
118 static void	bwn_set_original_gains(struct bwn_mac *);
119 static void	bwn_hwpctl_early_init(struct bwn_mac *);
120 static void	bwn_hwpctl_init_gphy(struct bwn_mac *);
121 static uint16_t	bwn_phy_g_chan2freq(uint8_t);
122 static void	bwn_phy_g_dc_lookup_init(struct bwn_mac *, uint8_t);
123 
124 /* Stuff we need */
125 
126 static uint16_t	bwn_phy_g_txctl(struct bwn_mac *mac);
127 static int	bwn_phy_shm_tssi_read(struct bwn_mac *mac, uint16_t shm_offset);
128 static void	bwn_phy_g_setatt(struct bwn_mac *mac, int *bbattp, int *rfattp);
129 static void	bwn_phy_lock(struct bwn_mac *mac);
130 static void	bwn_phy_unlock(struct bwn_mac *mac);
131 static void	bwn_rf_lock(struct bwn_mac *mac);
132 static void	bwn_rf_unlock(struct bwn_mac *mac);
133 
134 static const uint16_t bwn_tab_noise_g1[] = BWN_TAB_NOISE_G1;
135 static const uint16_t bwn_tab_noise_g2[] = BWN_TAB_NOISE_G2;
136 static const uint16_t bwn_tab_noisescale_g1[] = BWN_TAB_NOISESCALE_G1;
137 static const uint16_t bwn_tab_noisescale_g2[] = BWN_TAB_NOISESCALE_G2;
138 static const uint16_t bwn_tab_noisescale_g3[] = BWN_TAB_NOISESCALE_G3;
139 const uint8_t bwn_bitrev_table[256] = BWN_BITREV_TABLE;
140 
141 static uint8_t
142 bwn_has_hwpctl(struct bwn_mac *mac)
143 {
144 
145 	if (mac->mac_phy.hwpctl == 0 || mac->mac_phy.use_hwpctl == NULL)
146 		return (0);
147 	return (mac->mac_phy.use_hwpctl(mac));
148 }
149 
150 int
151 bwn_phy_g_attach(struct bwn_mac *mac)
152 {
153 	struct bwn_softc *sc = mac->mac_sc;
154 	struct bwn_phy *phy = &mac->mac_phy;
155 	struct bwn_phy_g *pg = &phy->phy_g;
156 	unsigned int i;
157 	int16_t pab0, pab1, pab2;
158 	static int8_t bwn_phy_g_tssi2dbm_table[] = BWN_PHY_G_TSSI2DBM_TABLE;
159 	int8_t bg;
160 	int error;
161 
162 	/* Fetch SPROM configuration */
163 #define	BWN_PHY_G_READVAR(_dev, _type, _name, _result)		\
164 do {									\
165 	error = bhnd_nvram_getvar_ ##_type((_dev), (_name), (_result));	\
166 	if (error) {							\
167 		device_printf((_dev), "NVRAM variable %s unreadable: "	\
168 		    "%d\n", (_name), error);				\
169 		return (error);						\
170 	}								\
171 } while(0)
172 
173 	BWN_PHY_G_READVAR(sc->sc_dev, int8, BHND_NVAR_PA0ITSSIT, &bg);
174 	BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0B0, &pab0);
175 	BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0B1, &pab1);
176 	BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0B2, &pab2);
177 	BWN_PHY_G_READVAR(sc->sc_dev, int16, BHND_NVAR_PA0MAXPWR,
178 	    &pg->pg_pa0maxpwr);
179 
180 #undef	BWN_PHY_G_READVAR
181 
182 	pg->pg_flags = 0;
183 	if (pab0 == 0 || pab1 == 0 || pab2 == 0 || pab0 == -1 || pab1 == -1 ||
184 	    pab2 == -1) {
185 		pg->pg_idletssi = 52;
186 		pg->pg_tssi2dbm = bwn_phy_g_tssi2dbm_table;
187 		return (0);
188 	}
189 
190 	pg->pg_idletssi = (bg == 0 || bg == -1) ? 62 : bg;
191 	pg->pg_tssi2dbm = (uint8_t *)malloc(64, M_DEVBUF, M_NOWAIT | M_ZERO);
192 	if (pg->pg_tssi2dbm == NULL) {
193 		device_printf(sc->sc_dev, "failed to allocate buffer\n");
194 		return (ENOMEM);
195 	}
196 	for (i = 0; i < 64; i++) {
197 		int32_t m1, m2, f, q, delta;
198 		int8_t j = 0;
199 
200 		m1 = BWN_TSSI2DBM(16 * pab0 + i * pab1, 32);
201 		m2 = MAX(BWN_TSSI2DBM(32768 + i * pab2, 256), 1);
202 		f = 256;
203 
204 		do {
205 			if (j > 15) {
206 				device_printf(sc->sc_dev,
207 				    "failed to generate tssi2dBm\n");
208 				free(pg->pg_tssi2dbm, M_DEVBUF);
209 				return (ENOMEM);
210 			}
211 			q = BWN_TSSI2DBM(f * 4096 - BWN_TSSI2DBM(m2 * f, 16) *
212 			    f, 2048);
213 			delta = abs(q - f);
214 			f = q;
215 			j++;
216 		} while (delta >= 2);
217 
218 		pg->pg_tssi2dbm[i] = MIN(MAX(BWN_TSSI2DBM(m1 * f, 8192), -127),
219 		    127);
220 	}
221 
222 	pg->pg_flags |= BWN_PHY_G_FLAG_TSSITABLE_ALLOC;
223 	return (0);
224 }
225 
226 void
227 bwn_phy_g_detach(struct bwn_mac *mac)
228 {
229 	struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
230 
231 	if (pg->pg_flags & BWN_PHY_G_FLAG_TSSITABLE_ALLOC) {
232 		free(pg->pg_tssi2dbm, M_DEVBUF);
233 		pg->pg_tssi2dbm = NULL;
234 	}
235 	pg->pg_flags = 0;
236 }
237 
238 void
239 bwn_phy_g_init_pre(struct bwn_mac *mac)
240 {
241 	struct bwn_phy *phy = &mac->mac_phy;
242 	struct bwn_phy_g *pg = &phy->phy_g;
243 	void *tssi2dbm;
244 	int idletssi;
245 	unsigned int i;
246 
247 	tssi2dbm = pg->pg_tssi2dbm;
248 	idletssi = pg->pg_idletssi;
249 
250 	memset(pg, 0, sizeof(*pg));
251 
252 	pg->pg_tssi2dbm = tssi2dbm;
253 	pg->pg_idletssi = idletssi;
254 
255 	memset(pg->pg_minlowsig, 0xff, sizeof(pg->pg_minlowsig));
256 
257 	for (i = 0; i < N(pg->pg_nrssi); i++)
258 		pg->pg_nrssi[i] = -1000;
259 	for (i = 0; i < N(pg->pg_nrssi_lt); i++)
260 		pg->pg_nrssi_lt[i] = i;
261 	pg->pg_lofcal = 0xffff;
262 	pg->pg_initval = 0xffff;
263 	pg->pg_immode = BWN_IMMODE_NONE;
264 	pg->pg_ofdmtab_dir = BWN_OFDMTAB_DIR_UNKNOWN;
265 	pg->pg_avgtssi = 0xff;
266 
267 	pg->pg_loctl.tx_bias = 0xff;
268 	TAILQ_INIT(&pg->pg_loctl.calib_list);
269 }
270 
271 int
272 bwn_phy_g_prepare_hw(struct bwn_mac *mac)
273 {
274 	struct bwn_phy *phy = &mac->mac_phy;
275 	struct bwn_phy_g *pg = &phy->phy_g;
276 	struct bwn_softc *sc = mac->mac_sc;
277 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
278 	static const struct bwn_rfatt rfatt0[] = {
279 		{ 3, 0 }, { 1, 0 }, { 5, 0 }, { 7, 0 },	{ 9, 0 }, { 2, 0 },
280 		{ 0, 0 }, { 4, 0 }, { 6, 0 }, { 8, 0 }, { 1, 1 }, { 2, 1 },
281 		{ 3, 1 }, { 4, 1 }
282 	};
283 	static const struct bwn_rfatt rfatt1[] = {
284 		{ 2, 1 }, { 4, 1 }, { 6, 1 }, { 8, 1 }, { 10, 1 }, { 12, 1 },
285 		{ 14, 1 }
286 	};
287 	static const struct bwn_rfatt rfatt2[] = {
288 		{ 0, 1 }, { 2, 1 }, { 4, 1 }, { 6, 1 }, { 8, 1 }, { 9, 1 },
289 		{ 9, 1 }
290 	};
291 	static const struct bwn_bbatt bbatt_0[] = {
292 		{ 0 }, { 1 }, { 2 }, { 3 }, { 4 }, { 5 }, { 6 }, { 7 }, { 8 }
293 	};
294 
295 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
296 
297 	if (phy->rf_ver == 0x2050 && phy->rf_rev < 6)
298 		pg->pg_bbatt.att = 0;
299 	else
300 		pg->pg_bbatt.att = 2;
301 
302 	/* prepare Radio Attenuation */
303 	pg->pg_rfatt.padmix = 0;
304 
305 	if (sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM &&
306 	    sc->sc_board_info.board_type == BHND_BOARD_BCM94309G) {
307 		if (sc->sc_board_info.board_rev < 0x43) {
308 			pg->pg_rfatt.att = 2;
309 			goto done;
310 		} else if (sc->sc_board_info.board_rev < 0x51) {
311 			pg->pg_rfatt.att = 3;
312 			goto done;
313 		}
314 	}
315 
316 	if (phy->type == BWN_PHYTYPE_A) {
317 		pg->pg_rfatt.att = 0x60;
318 		goto done;
319 	}
320 
321 	switch (phy->rf_ver) {
322 	case 0x2050:
323 		switch (phy->rf_rev) {
324 		case 0:
325 			pg->pg_rfatt.att = 5;
326 			goto done;
327 		case 1:
328 			if (phy->type == BWN_PHYTYPE_G) {
329 				if (sc->sc_board_info.board_vendor ==
330 				    PCI_VENDOR_BROADCOM &&
331 				    sc->sc_board_info.board_type ==
332 				    BHND_BOARD_BCM94309G &&
333 				    sc->sc_board_info.board_rev >= 30)
334 					pg->pg_rfatt.att = 3;
335 				else if (sc->sc_board_info.board_vendor ==
336 				    PCI_VENDOR_BROADCOM &&
337 				    sc->sc_board_info.board_type ==
338 				    BHND_BOARD_BU4306)
339 					pg->pg_rfatt.att = 3;
340 				else
341 					pg->pg_rfatt.att = 1;
342 			} else {
343 				if (sc->sc_board_info.board_vendor ==
344 				    PCI_VENDOR_BROADCOM &&
345 				    sc->sc_board_info.board_type ==
346 				    BHND_BOARD_BCM94309G &&
347 				    sc->sc_board_info.board_rev >= 30)
348 					pg->pg_rfatt.att = 7;
349 				else
350 					pg->pg_rfatt.att = 6;
351 			}
352 			goto done;
353 		case 2:
354 			if (phy->type == BWN_PHYTYPE_G) {
355 				if (sc->sc_board_info.board_vendor ==
356 				    PCI_VENDOR_BROADCOM &&
357 				    sc->sc_board_info.board_type ==
358 				    BHND_BOARD_BCM94309G &&
359 				    sc->sc_board_info.board_rev >= 30)
360 					pg->pg_rfatt.att = 3;
361 				else if (sc->sc_board_info.board_vendor ==
362 				    PCI_VENDOR_BROADCOM &&
363 				    sc->sc_board_info.board_type ==
364 				    BHND_BOARD_BU4306)
365 					pg->pg_rfatt.att = 5;
366 				else if (sc->sc_cid.chip_id ==
367 				    BHND_CHIPID_BCM4320)
368 					pg->pg_rfatt.att = 4;
369 				else
370 					pg->pg_rfatt.att = 3;
371 			} else
372 				pg->pg_rfatt.att = 6;
373 			goto done;
374 		case 3:
375 			pg->pg_rfatt.att = 5;
376 			goto done;
377 		case 4:
378 		case 5:
379 			pg->pg_rfatt.att = 1;
380 			goto done;
381 		case 6:
382 		case 7:
383 			pg->pg_rfatt.att = 5;
384 			goto done;
385 		case 8:
386 			pg->pg_rfatt.att = 0xa;
387 			pg->pg_rfatt.padmix = 1;
388 			goto done;
389 		case 9:
390 		default:
391 			pg->pg_rfatt.att = 5;
392 			goto done;
393 		}
394 		break;
395 	case 0x2053:
396 		switch (phy->rf_rev) {
397 		case 1:
398 			pg->pg_rfatt.att = 6;
399 			goto done;
400 		}
401 		break;
402 	}
403 	pg->pg_rfatt.att = 5;
404 done:
405 	pg->pg_txctl = (bwn_phy_g_txctl(mac) << 4);
406 
407 	if (!bwn_has_hwpctl(mac)) {
408 		lo->rfatt.array = rfatt0;
409 		lo->rfatt.len = N(rfatt0);
410 		lo->rfatt.min = 0;
411 		lo->rfatt.max = 9;
412 		goto genbbatt;
413 	}
414 	if (phy->rf_ver == 0x2050 && phy->rf_rev == 8) {
415 		lo->rfatt.array = rfatt1;
416 		lo->rfatt.len = N(rfatt1);
417 		lo->rfatt.min = 0;
418 		lo->rfatt.max = 14;
419 		goto genbbatt;
420 	}
421 	lo->rfatt.array = rfatt2;
422 	lo->rfatt.len = N(rfatt2);
423 	lo->rfatt.min = 0;
424 	lo->rfatt.max = 9;
425 genbbatt:
426 	lo->bbatt.array = bbatt_0;
427 	lo->bbatt.len = N(bbatt_0);
428 	lo->bbatt.min = 0;
429 	lo->bbatt.max = 8;
430 
431 	BWN_READ_4(mac, BWN_MACCTL);
432 	if (phy->rev == 1) {
433 		phy->gmode = 0;
434 		bwn_reset_core(mac, 0);
435 		bwn_phy_g_init_sub(mac);
436 		phy->gmode = 1;
437 		bwn_reset_core(mac, 1);
438 	}
439 	return (0);
440 }
441 
442 static uint16_t
443 bwn_phy_g_txctl(struct bwn_mac *mac)
444 {
445 	struct bwn_phy *phy = &mac->mac_phy;
446 
447 	if (phy->rf_ver != 0x2050)
448 		return (0);
449 	if (phy->rf_rev == 1)
450 		return (BWN_TXCTL_PA2DB | BWN_TXCTL_TXMIX);
451 	if (phy->rf_rev < 6)
452 		return (BWN_TXCTL_PA2DB);
453 	if (phy->rf_rev == 8)
454 		return (BWN_TXCTL_TXMIX);
455 	return (0);
456 }
457 
458 int
459 bwn_phy_g_init(struct bwn_mac *mac)
460 {
461 
462 	bwn_phy_g_init_sub(mac);
463 	return (0);
464 }
465 
466 void
467 bwn_phy_g_exit(struct bwn_mac *mac)
468 {
469 	struct bwn_txpwr_loctl *lo = &mac->mac_phy.phy_g.pg_loctl;
470 	struct bwn_lo_calib *cal, *tmp;
471 
472 	if (lo == NULL)
473 		return;
474 	TAILQ_FOREACH_SAFE(cal, &lo->calib_list, list, tmp) {
475 		TAILQ_REMOVE(&lo->calib_list, cal, list);
476 		free(cal, M_DEVBUF);
477 	}
478 }
479 
480 uint16_t
481 bwn_phy_g_read(struct bwn_mac *mac, uint16_t reg)
482 {
483 
484 	BWN_WRITE_2(mac, BWN_PHYCTL, reg);
485 	return (BWN_READ_2(mac, BWN_PHYDATA));
486 }
487 
488 void
489 bwn_phy_g_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
490 {
491 
492 	BWN_WRITE_2(mac, BWN_PHYCTL, reg);
493 	BWN_WRITE_2(mac, BWN_PHYDATA, value);
494 }
495 
496 uint16_t
497 bwn_phy_g_rf_read(struct bwn_mac *mac, uint16_t reg)
498 {
499 
500 	KASSERT(reg != 1, ("%s:%d: fail", __func__, __LINE__));
501 	BWN_WRITE_2(mac, BWN_RFCTL, reg | 0x80);
502 	return (BWN_READ_2(mac, BWN_RFDATALO));
503 }
504 
505 void
506 bwn_phy_g_rf_write(struct bwn_mac *mac, uint16_t reg, uint16_t value)
507 {
508 
509 	KASSERT(reg != 1, ("%s:%d: fail", __func__, __LINE__));
510 	BWN_WRITE_2(mac, BWN_RFCTL, reg);
511 	BWN_WRITE_2(mac, BWN_RFDATALO, value);
512 }
513 
514 int
515 bwn_phy_g_hwpctl(struct bwn_mac *mac)
516 {
517 
518 	return (mac->mac_phy.rev >= 6);
519 }
520 
521 void
522 bwn_phy_g_rf_onoff(struct bwn_mac *mac, int on)
523 {
524 	struct bwn_phy *phy = &mac->mac_phy;
525 	struct bwn_phy_g *pg = &phy->phy_g;
526 	unsigned int channel;
527 	uint16_t rfover, rfoverval;
528 
529 	if (on) {
530 		if (phy->rf_on)
531 			return;
532 
533 		BWN_PHY_WRITE(mac, 0x15, 0x8000);
534 		BWN_PHY_WRITE(mac, 0x15, 0xcc00);
535 		BWN_PHY_WRITE(mac, 0x15, (phy->gmode ? 0xc0 : 0x0));
536 		if (pg->pg_flags & BWN_PHY_G_FLAG_RADIOCTX_VALID) {
537 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVER,
538 			    pg->pg_radioctx_over);
539 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
540 			    pg->pg_radioctx_overval);
541 			pg->pg_flags &= ~BWN_PHY_G_FLAG_RADIOCTX_VALID;
542 		}
543 		channel = phy->chan;
544 		bwn_phy_g_switch_chan(mac, 6, 1);
545 		bwn_phy_g_switch_chan(mac, channel, 0);
546 		return;
547 	}
548 
549 	rfover = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
550 	rfoverval = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
551 	pg->pg_radioctx_over = rfover;
552 	pg->pg_radioctx_overval = rfoverval;
553 	pg->pg_flags |= BWN_PHY_G_FLAG_RADIOCTX_VALID;
554 	BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, rfover | 0x008c);
555 	BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfoverval & 0xff73);
556 }
557 
558 int
559 bwn_phy_g_switch_channel(struct bwn_mac *mac, uint32_t newchan)
560 {
561 
562 	if ((newchan < 1) || (newchan > 14))
563 		return (EINVAL);
564 	bwn_phy_g_switch_chan(mac, newchan, 0);
565 
566 	return (0);
567 }
568 
569 uint32_t
570 bwn_phy_g_get_default_chan(struct bwn_mac *mac)
571 {
572 
573 	return (1);
574 }
575 
576 void
577 bwn_phy_g_set_antenna(struct bwn_mac *mac, int antenna)
578 {
579 	struct bwn_phy *phy = &mac->mac_phy;
580 	uint64_t hf;
581 	int autodiv = 0;
582 	uint16_t tmp;
583 
584 	if (antenna == BWN_ANTAUTO0 || antenna == BWN_ANTAUTO1)
585 		autodiv = 1;
586 
587 	hf = bwn_hf_read(mac) & ~BWN_HF_UCODE_ANTDIV_HELPER;
588 	bwn_hf_write(mac, hf);
589 
590 	BWN_PHY_WRITE(mac, BWN_PHY_BBANDCFG,
591 	    (BWN_PHY_READ(mac, BWN_PHY_BBANDCFG) & ~BWN_PHY_BBANDCFG_RXANT) |
592 	    ((autodiv ? BWN_ANTAUTO1 : antenna)
593 		<< BWN_PHY_BBANDCFG_RXANT_SHIFT));
594 
595 	if (autodiv) {
596 		tmp = BWN_PHY_READ(mac, BWN_PHY_ANTDWELL);
597 		if (antenna == BWN_ANTAUTO1)
598 			tmp &= ~BWN_PHY_ANTDWELL_AUTODIV1;
599 		else
600 			tmp |= BWN_PHY_ANTDWELL_AUTODIV1;
601 		BWN_PHY_WRITE(mac, BWN_PHY_ANTDWELL, tmp);
602 	}
603 	tmp = BWN_PHY_READ(mac, BWN_PHY_ANTWRSETT);
604 	if (autodiv)
605 		tmp |= BWN_PHY_ANTWRSETT_ARXDIV;
606 	else
607 		tmp &= ~BWN_PHY_ANTWRSETT_ARXDIV;
608 	BWN_PHY_WRITE(mac, BWN_PHY_ANTWRSETT, tmp);
609 	if (phy->rev >= 2) {
610 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM61,
611 		    BWN_PHY_READ(mac, BWN_PHY_OFDM61) | BWN_PHY_OFDM61_10);
612 		BWN_PHY_WRITE(mac, BWN_PHY_DIVSRCHGAINBACK,
613 		    (BWN_PHY_READ(mac, BWN_PHY_DIVSRCHGAINBACK) & 0xff00) |
614 		    0x15);
615 		if (phy->rev == 2)
616 			BWN_PHY_WRITE(mac, BWN_PHY_ADIVRELATED, 8);
617 		else
618 			BWN_PHY_WRITE(mac, BWN_PHY_ADIVRELATED,
619 			    (BWN_PHY_READ(mac, BWN_PHY_ADIVRELATED) & 0xff00) |
620 			    8);
621 	}
622 	if (phy->rev >= 6)
623 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM9B, 0xdc);
624 
625 	hf |= BWN_HF_UCODE_ANTDIV_HELPER;
626 	bwn_hf_write(mac, hf);
627 }
628 
629 int
630 bwn_phy_g_im(struct bwn_mac *mac, int mode)
631 {
632 	struct bwn_phy *phy = &mac->mac_phy;
633 	struct bwn_phy_g *pg = &phy->phy_g;
634 
635 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s: fail", __func__));
636 	KASSERT(mode == BWN_IMMODE_NONE, ("%s: fail", __func__));
637 
638 	if (phy->rev == 0 || !phy->gmode)
639 		return (ENODEV);
640 
641 	pg->pg_aci_wlan_automatic = 0;
642 	return (0);
643 }
644 
645 bwn_txpwr_result_t
646 bwn_phy_g_recalc_txpwr(struct bwn_mac *mac, int ignore_tssi)
647 {
648 	struct bwn_phy *phy = &mac->mac_phy;
649 	struct bwn_phy_g *pg = &phy->phy_g;
650 	struct bwn_softc *sc = mac->mac_sc;
651 	unsigned int tssi;
652 	int cck, ofdm;
653 	int power;
654 	int rfatt, bbatt;
655 	unsigned int max;
656 
657 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s: fail", __func__));
658 
659 	cck = bwn_phy_shm_tssi_read(mac, BWN_SHARED_TSSI_CCK);
660 	ofdm = bwn_phy_shm_tssi_read(mac, BWN_SHARED_TSSI_OFDM_G);
661 	if (cck < 0 && ofdm < 0) {
662 		if (ignore_tssi == 0)
663 			return (BWN_TXPWR_RES_DONE);
664 		cck = 0;
665 		ofdm = 0;
666 	}
667 	tssi = (cck < 0) ? ofdm : ((ofdm < 0) ? cck : (cck + ofdm) / 2);
668 	if (pg->pg_avgtssi != 0xff)
669 		tssi = (tssi + pg->pg_avgtssi) / 2;
670 	pg->pg_avgtssi = tssi;
671 	KASSERT(tssi < BWN_TSSI_MAX, ("%s:%d: fail", __func__, __LINE__));
672 
673 	max = pg->pg_pa0maxpwr;
674 	if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL)
675 		max -= 3;
676 	if (max >= 120) {
677 		device_printf(sc->sc_dev, "invalid max TX-power value\n");
678 		max = 80;
679 		pg->pg_pa0maxpwr = max;
680 	}
681 
682 	power = MIN(MAX((phy->txpower < 0) ? 0 : (phy->txpower << 2), 0), max) -
683 	    (pg->pg_tssi2dbm[MIN(MAX(pg->pg_idletssi - pg->pg_curtssi +
684 	     tssi, 0x00), 0x3f)]);
685 	if (power == 0)
686 		return (BWN_TXPWR_RES_DONE);
687 
688 	rfatt = -((power + 7) / 8);
689 	bbatt = (-(power / 2)) - (4 * rfatt);
690 	if ((rfatt == 0) && (bbatt == 0))
691 		return (BWN_TXPWR_RES_DONE);
692 	pg->pg_bbatt_delta = bbatt;
693 	pg->pg_rfatt_delta = rfatt;
694 	return (BWN_TXPWR_RES_NEED_ADJUST);
695 }
696 
697 void
698 bwn_phy_g_set_txpwr(struct bwn_mac *mac)
699 {
700 	struct bwn_phy *phy = &mac->mac_phy;
701 	struct bwn_phy_g *pg = &phy->phy_g;
702 	struct bwn_softc *sc = mac->mac_sc;
703 	int rfatt, bbatt;
704 	uint8_t txctl;
705 
706 	bwn_mac_suspend(mac);
707 
708 	BWN_ASSERT_LOCKED(sc);
709 
710 	bbatt = pg->pg_bbatt.att;
711 	bbatt += pg->pg_bbatt_delta;
712 	rfatt = pg->pg_rfatt.att;
713 	rfatt += pg->pg_rfatt_delta;
714 
715 	bwn_phy_g_setatt(mac, &bbatt, &rfatt);
716 	txctl = pg->pg_txctl;
717 	if ((phy->rf_ver == 0x2050) && (phy->rf_rev == 2)) {
718 		if (rfatt <= 1) {
719 			if (txctl == 0) {
720 				txctl = BWN_TXCTL_PA2DB | BWN_TXCTL_TXMIX;
721 				rfatt += 2;
722 				bbatt += 2;
723 			} else if (sc->sc_board_info.board_flags &
724 			    BHND_BFL_PACTRL) {
725 				bbatt += 4 * (rfatt - 2);
726 				rfatt = 2;
727 			}
728 		} else if (rfatt > 4 && txctl) {
729 			txctl = 0;
730 			if (bbatt < 3) {
731 				rfatt -= 3;
732 				bbatt += 2;
733 			} else {
734 				rfatt -= 2;
735 				bbatt -= 2;
736 			}
737 		}
738 	}
739 	pg->pg_txctl = txctl;
740 	bwn_phy_g_setatt(mac, &bbatt, &rfatt);
741 	pg->pg_rfatt.att = rfatt;
742 	pg->pg_bbatt.att = bbatt;
743 
744 	DPRINTF(sc, BWN_DEBUG_TXPOW, "%s: adjust TX power\n", __func__);
745 
746 	bwn_phy_lock(mac);
747 	bwn_rf_lock(mac);
748 	bwn_phy_g_set_txpwr_sub(mac, &pg->pg_bbatt, &pg->pg_rfatt,
749 	    pg->pg_txctl);
750 	bwn_rf_unlock(mac);
751 	bwn_phy_unlock(mac);
752 
753 	bwn_mac_enable(mac);
754 }
755 
756 void
757 bwn_phy_g_task_15s(struct bwn_mac *mac)
758 {
759 	struct bwn_phy *phy = &mac->mac_phy;
760 	struct bwn_phy_g *pg = &phy->phy_g;
761 	struct bwn_softc *sc = mac->mac_sc;
762 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
763 	unsigned long expire, now;
764 	struct bwn_lo_calib *cal, *tmp;
765 	uint8_t expired = 0;
766 
767 	bwn_mac_suspend(mac);
768 
769 	if (lo == NULL)
770 		goto fail;
771 
772 	BWN_GETTIME(now);
773 	if (bwn_has_hwpctl(mac)) {
774 		expire = now - BWN_LO_PWRVEC_EXPIRE;
775 		if (ieee80211_time_before(lo->pwr_vec_read_time, expire)) {
776 			bwn_lo_get_powervector(mac);
777 			bwn_phy_g_dc_lookup_init(mac, 0);
778 		}
779 		goto fail;
780 	}
781 
782 	expire = now - BWN_LO_CALIB_EXPIRE;
783 	TAILQ_FOREACH_SAFE(cal, &lo->calib_list, list, tmp) {
784 		if (!ieee80211_time_before(cal->calib_time, expire))
785 			continue;
786 		if (BWN_BBATTCMP(&cal->bbatt, &pg->pg_bbatt) &&
787 		    BWN_RFATTCMP(&cal->rfatt, &pg->pg_rfatt)) {
788 			KASSERT(!expired, ("%s:%d: fail", __func__, __LINE__));
789 			expired = 1;
790 		}
791 
792 		DPRINTF(sc, BWN_DEBUG_LO, "expired BB %u RF %u %u I %d Q %d\n",
793 		    cal->bbatt.att, cal->rfatt.att, cal->rfatt.padmix,
794 		    cal->ctl.i, cal->ctl.q);
795 
796 		TAILQ_REMOVE(&lo->calib_list, cal, list);
797 		free(cal, M_DEVBUF);
798 	}
799 	if (expired || TAILQ_EMPTY(&lo->calib_list)) {
800 		cal = bwn_lo_calibset(mac, &pg->pg_bbatt,
801 		    &pg->pg_rfatt);
802 		if (cal == NULL) {
803 			device_printf(sc->sc_dev,
804 			    "failed to recalibrate LO\n");
805 			goto fail;
806 		}
807 		TAILQ_INSERT_TAIL(&lo->calib_list, cal, list);
808 		bwn_lo_write(mac, &cal->ctl);
809 	}
810 
811 fail:
812 	bwn_mac_enable(mac);
813 }
814 
815 void
816 bwn_phy_g_task_60s(struct bwn_mac *mac)
817 {
818 	struct bwn_phy *phy = &mac->mac_phy;
819 	struct bwn_softc *sc = mac->mac_sc;
820 	uint8_t old = phy->chan;
821 
822 	if (!(sc->sc_board_info.board_flags & BHND_BFL_ADCDIV))
823 		return;
824 
825 	bwn_mac_suspend(mac);
826 	bwn_nrssi_slope_11g(mac);
827 	if ((phy->rf_ver == 0x2050) && (phy->rf_rev == 8)) {
828 		bwn_switch_channel(mac, (old >= 8) ? 1 : 13);
829 		bwn_switch_channel(mac, old);
830 	}
831 	bwn_mac_enable(mac);
832 }
833 
834 void
835 bwn_phy_switch_analog(struct bwn_mac *mac, int on)
836 {
837 
838 	BWN_WRITE_2(mac, BWN_PHY0, on ? 0 : 0xf4);
839 }
840 
841 static void
842 bwn_phy_g_init_sub(struct bwn_mac *mac)
843 {
844 	struct bwn_phy *phy = &mac->mac_phy;
845 	struct bwn_phy_g *pg = &phy->phy_g;
846 	struct bwn_softc *sc = mac->mac_sc;
847 	uint16_t i, tmp;
848 
849 	if (phy->rev == 1)
850 		bwn_phy_init_b5(mac);
851 	else
852 		bwn_phy_init_b6(mac);
853 
854 	if (phy->rev >= 2 || phy->gmode)
855 		bwn_phy_init_a(mac);
856 
857 	if (phy->rev >= 2) {
858 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, 0);
859 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL, 0);
860 	}
861 	if (phy->rev == 2) {
862 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0);
863 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xc0);
864 	}
865 	if (phy->rev > 5) {
866 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0x400);
867 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xc0);
868 	}
869 	if (phy->gmode || phy->rev >= 2) {
870 		tmp = BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM);
871 		tmp &= BWN_PHYVER_VERSION;
872 		if (tmp == 3 || tmp == 5) {
873 			BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc2), 0x1816);
874 			BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc3), 0x8006);
875 		}
876 		if (tmp == 5) {
877 			BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0xcc), 0x00ff,
878 			    0x1f00);
879 		}
880 	}
881 	if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
882 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x7e), 0x78);
883 	if (phy->rf_rev == 8) {
884 		BWN_PHY_SET(mac, BWN_PHY_EXTG(0x01), 0x80);
885 		BWN_PHY_SET(mac, BWN_PHY_OFDM(0x3e), 0x4);
886 	}
887 	if (BWN_HAS_LOOPBACK(phy))
888 		bwn_loopback_calcgain(mac);
889 
890 	if (phy->rf_rev != 8) {
891 		if (pg->pg_initval == 0xffff)
892 			pg->pg_initval = bwn_rf_init_bcm2050(mac);
893 		else
894 			BWN_RF_WRITE(mac, 0x0078, pg->pg_initval);
895 	}
896 	bwn_lo_g_init(mac);
897 	if (BWN_HAS_TXMAG(phy)) {
898 		BWN_RF_WRITE(mac, 0x52,
899 		    (BWN_RF_READ(mac, 0x52) & 0xff00)
900 		    | pg->pg_loctl.tx_bias |
901 		    pg->pg_loctl.tx_magn);
902 	} else {
903 		BWN_RF_SETMASK(mac, 0x52, 0xfff0, pg->pg_loctl.tx_bias);
904 	}
905 	if (phy->rev >= 6) {
906 		BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x36), 0x0fff,
907 		    (pg->pg_loctl.tx_bias << 12));
908 	}
909 	if (sc->sc_board_info.board_flags & BHND_BFL_PACTRL)
910 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x8075);
911 	else
912 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x807f);
913 	if (phy->rev < 2)
914 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x101);
915 	else
916 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x202);
917 	if (phy->gmode || phy->rev >= 2) {
918 		bwn_lo_g_adjust(mac);
919 		BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8078);
920 	}
921 
922 	if (!(sc->sc_board_info.board_flags & BHND_BFL_ADCDIV)) {
923 		for (i = 0; i < 64; i++) {
924 			BWN_PHY_WRITE(mac, BWN_PHY_NRSSI_CTRL, i);
925 			BWN_PHY_WRITE(mac, BWN_PHY_NRSSI_DATA,
926 			    (uint16_t)MIN(MAX(bwn_nrssi_read(mac, i) - 0xffff,
927 			    -32), 31));
928 		}
929 		bwn_nrssi_threshold(mac);
930 	} else if (phy->gmode || phy->rev >= 2) {
931 		if (pg->pg_nrssi[0] == -1000) {
932 			KASSERT(pg->pg_nrssi[1] == -1000,
933 			    ("%s:%d: fail", __func__, __LINE__));
934 			bwn_nrssi_slope_11g(mac);
935 		} else
936 			bwn_nrssi_threshold(mac);
937 	}
938 	if (phy->rf_rev == 8)
939 		BWN_PHY_WRITE(mac, BWN_PHY_EXTG(0x05), 0x3230);
940 	bwn_phy_hwpctl_init(mac);
941 	if ((sc->sc_cid.chip_id == BHND_CHIPID_BCM4306
942 	     && sc->sc_cid.chip_pkg == 2) || 0) {
943 		BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0xbfff);
944 		BWN_PHY_MASK(mac, BWN_PHY_OFDM(0xc3), 0x7fff);
945 	}
946 }
947 
948 static void
949 bwn_phy_init_b5(struct bwn_mac *mac)
950 {
951 	struct bwn_phy *phy = &mac->mac_phy;
952 	struct bwn_phy_g *pg = &phy->phy_g;
953 	struct bwn_softc *sc = mac->mac_sc;
954 	uint16_t offset, value;
955 	uint8_t old_channel;
956 
957 	if (phy->analog == 1)
958 		BWN_RF_SET(mac, 0x007a, 0x0050);
959 	if ((sc->sc_board_info.board_vendor != PCI_VENDOR_BROADCOM) &&
960 	    (sc->sc_board_info.board_type != BHND_BOARD_BU4306)) {
961 		value = 0x2120;
962 		for (offset = 0x00a8; offset < 0x00c7; offset++) {
963 			BWN_PHY_WRITE(mac, offset, value);
964 			value += 0x202;
965 		}
966 	}
967 	BWN_PHY_SETMASK(mac, 0x0035, 0xf0ff, 0x0700);
968 	if (phy->rf_ver == 0x2050)
969 		BWN_PHY_WRITE(mac, 0x0038, 0x0667);
970 
971 	if (phy->gmode || phy->rev >= 2) {
972 		if (phy->rf_ver == 0x2050) {
973 			BWN_RF_SET(mac, 0x007a, 0x0020);
974 			BWN_RF_SET(mac, 0x0051, 0x0004);
975 		}
976 		BWN_WRITE_2(mac, BWN_PHY_RADIO, 0x0000);
977 
978 		BWN_PHY_SET(mac, 0x0802, 0x0100);
979 		BWN_PHY_SET(mac, 0x042b, 0x2000);
980 
981 		BWN_PHY_WRITE(mac, 0x001c, 0x186a);
982 
983 		BWN_PHY_SETMASK(mac, 0x0013, 0x00ff, 0x1900);
984 		BWN_PHY_SETMASK(mac, 0x0035, 0xffc0, 0x0064);
985 		BWN_PHY_SETMASK(mac, 0x005d, 0xff80, 0x000a);
986 	}
987 
988 	if (mac->mac_flags & BWN_MAC_FLAG_BADFRAME_PREEMP)
989 		BWN_PHY_SET(mac, BWN_PHY_RADIO_BITFIELD, (1 << 11));
990 
991 	if (phy->analog == 1) {
992 		BWN_PHY_WRITE(mac, 0x0026, 0xce00);
993 		BWN_PHY_WRITE(mac, 0x0021, 0x3763);
994 		BWN_PHY_WRITE(mac, 0x0022, 0x1bc3);
995 		BWN_PHY_WRITE(mac, 0x0023, 0x06f9);
996 		BWN_PHY_WRITE(mac, 0x0024, 0x037e);
997 	} else
998 		BWN_PHY_WRITE(mac, 0x0026, 0xcc00);
999 	BWN_PHY_WRITE(mac, 0x0030, 0x00c6);
1000 	BWN_WRITE_2(mac, 0x03ec, 0x3f22);
1001 
1002 	if (phy->analog == 1)
1003 		BWN_PHY_WRITE(mac, 0x0020, 0x3e1c);
1004 	else
1005 		BWN_PHY_WRITE(mac, 0x0020, 0x301c);
1006 
1007 	if (phy->analog == 0)
1008 		BWN_WRITE_2(mac, 0x03e4, 0x3000);
1009 
1010 	old_channel = phy->chan;
1011 	bwn_phy_g_switch_chan(mac, 7, 0);
1012 
1013 	if (phy->rf_ver != 0x2050) {
1014 		BWN_RF_WRITE(mac, 0x0075, 0x0080);
1015 		BWN_RF_WRITE(mac, 0x0079, 0x0081);
1016 	}
1017 
1018 	BWN_RF_WRITE(mac, 0x0050, 0x0020);
1019 	BWN_RF_WRITE(mac, 0x0050, 0x0023);
1020 
1021 	if (phy->rf_ver == 0x2050) {
1022 		BWN_RF_WRITE(mac, 0x0050, 0x0020);
1023 		BWN_RF_WRITE(mac, 0x005a, 0x0070);
1024 	}
1025 
1026 	BWN_RF_WRITE(mac, 0x005b, 0x007b);
1027 	BWN_RF_WRITE(mac, 0x005c, 0x00b0);
1028 	BWN_RF_SET(mac, 0x007a, 0x0007);
1029 
1030 	bwn_phy_g_switch_chan(mac, old_channel, 0);
1031 	BWN_PHY_WRITE(mac, 0x0014, 0x0080);
1032 	BWN_PHY_WRITE(mac, 0x0032, 0x00ca);
1033 	BWN_PHY_WRITE(mac, 0x002a, 0x88a3);
1034 
1035 	bwn_phy_g_set_txpwr_sub(mac, &pg->pg_bbatt, &pg->pg_rfatt,
1036 	    pg->pg_txctl);
1037 
1038 	if (phy->rf_ver == 0x2050)
1039 		BWN_RF_WRITE(mac, 0x005d, 0x000d);
1040 
1041 	BWN_WRITE_2(mac, 0x03e4, (BWN_READ_2(mac, 0x03e4) & 0xffc0) | 0x0004);
1042 }
1043 
1044 static void
1045 bwn_loopback_calcgain(struct bwn_mac *mac)
1046 {
1047 	struct bwn_phy *phy = &mac->mac_phy;
1048 	struct bwn_phy_g *pg = &phy->phy_g;
1049 	struct bwn_softc *sc = mac->mac_sc;
1050 	uint16_t backup_phy[16] = { 0 };
1051 	uint16_t backup_radio[3];
1052 	uint16_t backup_bband;
1053 	uint16_t i, j, loop_i_max;
1054 	uint16_t trsw_rx;
1055 	uint16_t loop1_outer_done, loop1_inner_done;
1056 
1057 	backup_phy[0] = BWN_PHY_READ(mac, BWN_PHY_CRS0);
1058 	backup_phy[1] = BWN_PHY_READ(mac, BWN_PHY_CCKBBANDCFG);
1059 	backup_phy[2] = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
1060 	backup_phy[3] = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
1061 	if (phy->rev != 1) {
1062 		backup_phy[4] = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVER);
1063 		backup_phy[5] = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVERVAL);
1064 	}
1065 	backup_phy[6] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x5a));
1066 	backup_phy[7] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x59));
1067 	backup_phy[8] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x58));
1068 	backup_phy[9] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x0a));
1069 	backup_phy[10] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x03));
1070 	backup_phy[11] = BWN_PHY_READ(mac, BWN_PHY_LO_MASK);
1071 	backup_phy[12] = BWN_PHY_READ(mac, BWN_PHY_LO_CTL);
1072 	backup_phy[13] = BWN_PHY_READ(mac, BWN_PHY_CCK(0x2b));
1073 	backup_phy[14] = BWN_PHY_READ(mac, BWN_PHY_PGACTL);
1074 	backup_phy[15] = BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
1075 	backup_bband = pg->pg_bbatt.att;
1076 	backup_radio[0] = BWN_RF_READ(mac, 0x52);
1077 	backup_radio[1] = BWN_RF_READ(mac, 0x43);
1078 	backup_radio[2] = BWN_RF_READ(mac, 0x7a);
1079 
1080 	BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0x3fff);
1081 	BWN_PHY_SET(mac, BWN_PHY_CCKBBANDCFG, 0x8000);
1082 	BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0002);
1083 	BWN_PHY_MASK(mac, BWN_PHY_RFOVERVAL, 0xfffd);
1084 	BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0001);
1085 	BWN_PHY_MASK(mac, BWN_PHY_RFOVERVAL, 0xfffe);
1086 	if (phy->rev != 1) {
1087 		BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0001);
1088 		BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffe);
1089 		BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0002);
1090 		BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffd);
1091 	}
1092 	BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x000c);
1093 	BWN_PHY_SET(mac, BWN_PHY_RFOVERVAL, 0x000c);
1094 	BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0030);
1095 	BWN_PHY_SETMASK(mac, BWN_PHY_RFOVERVAL, 0xffcf, 0x10);
1096 
1097 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), 0x0780);
1098 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), 0xc810);
1099 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0x000d);
1100 
1101 	BWN_PHY_SET(mac, BWN_PHY_CCK(0x0a), 0x2000);
1102 	if (phy->rev != 1) {
1103 		BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0004);
1104 		BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffb);
1105 	}
1106 	BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x03), 0xff9f, 0x40);
1107 
1108 	if (phy->rf_rev == 8)
1109 		BWN_RF_WRITE(mac, 0x43, 0x000f);
1110 	else {
1111 		BWN_RF_WRITE(mac, 0x52, 0);
1112 		BWN_RF_SETMASK(mac, 0x43, 0xfff0, 0x9);
1113 	}
1114 	bwn_phy_g_set_bbatt(mac, 11);
1115 
1116 	if (phy->rev >= 3)
1117 		BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0xc020);
1118 	else
1119 		BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8020);
1120 	BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, 0);
1121 
1122 	BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x2b), 0xffc0, 0x01);
1123 	BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x2b), 0xc0ff, 0x800);
1124 
1125 	BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0100);
1126 	BWN_PHY_MASK(mac, BWN_PHY_RFOVERVAL, 0xcfff);
1127 
1128 	if (sc->sc_board_info.board_flags & BHND_BFL_EXTLNA) {
1129 		if (phy->rev >= 7) {
1130 			BWN_PHY_SET(mac, BWN_PHY_RFOVER, 0x0800);
1131 			BWN_PHY_SET(mac, BWN_PHY_RFOVERVAL, 0x8000);
1132 		}
1133 	}
1134 	BWN_RF_MASK(mac, 0x7a, 0x00f7);
1135 
1136 	j = 0;
1137 	loop_i_max = (phy->rf_rev == 8) ? 15 : 9;
1138 	for (i = 0; i < loop_i_max; i++) {
1139 		for (j = 0; j < 16; j++) {
1140 			BWN_RF_WRITE(mac, 0x43, i);
1141 			BWN_PHY_SETMASK(mac, BWN_PHY_RFOVERVAL, 0xf0ff,
1142 			    (j << 8));
1143 			BWN_PHY_SETMASK(mac, BWN_PHY_PGACTL, 0x0fff, 0xa000);
1144 			BWN_PHY_SET(mac, BWN_PHY_PGACTL, 0xf000);
1145 			DELAY(20);
1146 			if (BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE) >= 0xdfc)
1147 				goto done0;
1148 		}
1149 	}
1150 done0:
1151 	loop1_outer_done = i;
1152 	loop1_inner_done = j;
1153 	if (j >= 8) {
1154 		BWN_PHY_SET(mac, BWN_PHY_RFOVERVAL, 0x30);
1155 		trsw_rx = 0x1b;
1156 		for (j = j - 8; j < 16; j++) {
1157 			BWN_PHY_SETMASK(mac, BWN_PHY_RFOVERVAL, 0xf0ff, j << 8);
1158 			BWN_PHY_SETMASK(mac, BWN_PHY_PGACTL, 0x0fff, 0xa000);
1159 			BWN_PHY_SET(mac, BWN_PHY_PGACTL, 0xf000);
1160 			DELAY(20);
1161 			trsw_rx -= 3;
1162 			if (BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE) >= 0xdfc)
1163 				goto done1;
1164 		}
1165 	} else
1166 		trsw_rx = 0x18;
1167 done1:
1168 
1169 	if (phy->rev != 1) {
1170 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, backup_phy[4]);
1171 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL, backup_phy[5]);
1172 	}
1173 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), backup_phy[6]);
1174 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), backup_phy[7]);
1175 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), backup_phy[8]);
1176 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x0a), backup_phy[9]);
1177 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x03), backup_phy[10]);
1178 	BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, backup_phy[11]);
1179 	BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, backup_phy[12]);
1180 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), backup_phy[13]);
1181 	BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, backup_phy[14]);
1182 
1183 	bwn_phy_g_set_bbatt(mac, backup_bband);
1184 
1185 	BWN_RF_WRITE(mac, 0x52, backup_radio[0]);
1186 	BWN_RF_WRITE(mac, 0x43, backup_radio[1]);
1187 	BWN_RF_WRITE(mac, 0x7a, backup_radio[2]);
1188 
1189 	BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, backup_phy[2] | 0x0003);
1190 	DELAY(10);
1191 	BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, backup_phy[2]);
1192 	BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, backup_phy[3]);
1193 	BWN_PHY_WRITE(mac, BWN_PHY_CRS0, backup_phy[0]);
1194 	BWN_PHY_WRITE(mac, BWN_PHY_CCKBBANDCFG, backup_phy[1]);
1195 
1196 	pg->pg_max_lb_gain =
1197 	    ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
1198 	pg->pg_trsw_rx_gain = trsw_rx * 2;
1199 }
1200 
1201 static uint16_t
1202 bwn_rf_init_bcm2050(struct bwn_mac *mac)
1203 {
1204 	struct bwn_phy *phy = &mac->mac_phy;
1205 	uint32_t tmp1 = 0, tmp2 = 0;
1206 	uint16_t rcc, i, j, pgactl, cck0, cck1, cck2, cck3, rfover, rfoverval,
1207 	    analogover, analogoverval, crs0, classctl, lomask, loctl, syncctl,
1208 	    radio0, radio1, radio2, reg0, reg1, reg2, radio78, reg, index;
1209 	static const uint8_t rcc_table[] = {
1210 		0x02, 0x03, 0x01, 0x0f,
1211 		0x06, 0x07, 0x05, 0x0f,
1212 		0x0a, 0x0b, 0x09, 0x0f,
1213 		0x0e, 0x0f, 0x0d, 0x0f,
1214 	};
1215 
1216 	loctl = lomask = reg0 = classctl = crs0 = analogoverval = analogover =
1217 	    rfoverval = rfover = cck3 = 0;
1218 	radio0 = BWN_RF_READ(mac, 0x43);
1219 	radio1 = BWN_RF_READ(mac, 0x51);
1220 	radio2 = BWN_RF_READ(mac, 0x52);
1221 	pgactl = BWN_PHY_READ(mac, BWN_PHY_PGACTL);
1222 	cck0 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x5a));
1223 	cck1 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x59));
1224 	cck2 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x58));
1225 
1226 	if (phy->type == BWN_PHYTYPE_B) {
1227 		cck3 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x30));
1228 		reg0 = BWN_READ_2(mac, 0x3ec);
1229 
1230 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), 0xff);
1231 		BWN_WRITE_2(mac, 0x3ec, 0x3f3f);
1232 	} else if (phy->gmode || phy->rev >= 2) {
1233 		rfover = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
1234 		rfoverval = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
1235 		analogover = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVER);
1236 		analogoverval = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVERVAL);
1237 		crs0 = BWN_PHY_READ(mac, BWN_PHY_CRS0);
1238 		classctl = BWN_PHY_READ(mac, BWN_PHY_CLASSCTL);
1239 
1240 		BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0003);
1241 		BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffc);
1242 		BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0x7fff);
1243 		BWN_PHY_MASK(mac, BWN_PHY_CLASSCTL, 0xfffc);
1244 		if (BWN_HAS_LOOPBACK(phy)) {
1245 			lomask = BWN_PHY_READ(mac, BWN_PHY_LO_MASK);
1246 			loctl = BWN_PHY_READ(mac, BWN_PHY_LO_CTL);
1247 			if (phy->rev >= 3)
1248 				BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0xc020);
1249 			else
1250 				BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8020);
1251 			BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, 0);
1252 		}
1253 
1254 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1255 		    bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVERVAL,
1256 			BWN_LPD(0, 1, 1)));
1257 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVER,
1258 		    bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVER, 0));
1259 	}
1260 	BWN_WRITE_2(mac, 0x3e2, BWN_READ_2(mac, 0x3e2) | 0x8000);
1261 
1262 	syncctl = BWN_PHY_READ(mac, BWN_PHY_SYNCCTL);
1263 	BWN_PHY_MASK(mac, BWN_PHY_SYNCCTL, 0xff7f);
1264 	reg1 = BWN_READ_2(mac, 0x3e6);
1265 	reg2 = BWN_READ_2(mac, 0x3f4);
1266 
1267 	if (phy->analog == 0)
1268 		BWN_WRITE_2(mac, 0x03e6, 0x0122);
1269 	else {
1270 		if (phy->analog >= 2)
1271 			BWN_PHY_SETMASK(mac, BWN_PHY_CCK(0x03), 0xffbf, 0x40);
1272 		BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
1273 		    (BWN_READ_2(mac, BWN_CHANNEL_EXT) | 0x2000));
1274 	}
1275 
1276 	reg = BWN_RF_READ(mac, 0x60);
1277 	index = (reg & 0x001e) >> 1;
1278 	rcc = (((rcc_table[index] << 1) | (reg & 0x0001)) | 0x0020);
1279 
1280 	if (phy->type == BWN_PHYTYPE_B)
1281 		BWN_RF_WRITE(mac, 0x78, 0x26);
1282 	if (phy->gmode || phy->rev >= 2) {
1283 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1284 		    bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVERVAL,
1285 			BWN_LPD(0, 1, 1)));
1286 	}
1287 	BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xbfaf);
1288 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), 0x1403);
1289 	if (phy->gmode || phy->rev >= 2) {
1290 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1291 		    bwn_rf_2050_rfoverval(mac, BWN_PHY_RFOVERVAL,
1292 			BWN_LPD(0, 0, 1)));
1293 	}
1294 	BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xbfa0);
1295 	BWN_RF_SET(mac, 0x51, 0x0004);
1296 	if (phy->rf_rev == 8)
1297 		BWN_RF_WRITE(mac, 0x43, 0x1f);
1298 	else {
1299 		BWN_RF_WRITE(mac, 0x52, 0);
1300 		BWN_RF_SETMASK(mac, 0x43, 0xfff0, 0x0009);
1301 	}
1302 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
1303 
1304 	for (i = 0; i < 16; i++) {
1305 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), 0x0480);
1306 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), 0xc810);
1307 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0x000d);
1308 		if (phy->gmode || phy->rev >= 2) {
1309 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1310 			    bwn_rf_2050_rfoverval(mac,
1311 				BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
1312 		}
1313 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
1314 		DELAY(10);
1315 		if (phy->gmode || phy->rev >= 2) {
1316 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1317 			    bwn_rf_2050_rfoverval(mac,
1318 				BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
1319 		}
1320 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xefb0);
1321 		DELAY(10);
1322 		if (phy->gmode || phy->rev >= 2) {
1323 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1324 			    bwn_rf_2050_rfoverval(mac,
1325 				BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 0)));
1326 		}
1327 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xfff0);
1328 		DELAY(20);
1329 		tmp1 += BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
1330 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
1331 		if (phy->gmode || phy->rev >= 2) {
1332 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1333 			    bwn_rf_2050_rfoverval(mac,
1334 				BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
1335 		}
1336 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
1337 	}
1338 	DELAY(10);
1339 
1340 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
1341 	tmp1++;
1342 	tmp1 >>= 9;
1343 
1344 	for (i = 0; i < 16; i++) {
1345 		radio78 = (BWN_BITREV4(i) << 1) | 0x0020;
1346 		BWN_RF_WRITE(mac, 0x78, radio78);
1347 		DELAY(10);
1348 		for (j = 0; j < 16; j++) {
1349 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), 0x0d80);
1350 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), 0xc810);
1351 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0x000d);
1352 			if (phy->gmode || phy->rev >= 2) {
1353 				BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1354 				    bwn_rf_2050_rfoverval(mac,
1355 					BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
1356 			}
1357 			BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
1358 			DELAY(10);
1359 			if (phy->gmode || phy->rev >= 2) {
1360 				BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1361 				    bwn_rf_2050_rfoverval(mac,
1362 					BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
1363 			}
1364 			BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xefb0);
1365 			DELAY(10);
1366 			if (phy->gmode || phy->rev >= 2) {
1367 				BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1368 				    bwn_rf_2050_rfoverval(mac,
1369 					BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 0)));
1370 			}
1371 			BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xfff0);
1372 			DELAY(10);
1373 			tmp2 += BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
1374 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), 0);
1375 			if (phy->gmode || phy->rev >= 2) {
1376 				BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL,
1377 				    bwn_rf_2050_rfoverval(mac,
1378 					BWN_PHY_RFOVERVAL, BWN_LPD(1, 0, 1)));
1379 			}
1380 			BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xafb0);
1381 		}
1382 		tmp2++;
1383 		tmp2 >>= 8;
1384 		if (tmp1 < tmp2)
1385 			break;
1386 	}
1387 
1388 	BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pgactl);
1389 	BWN_RF_WRITE(mac, 0x51, radio1);
1390 	BWN_RF_WRITE(mac, 0x52, radio2);
1391 	BWN_RF_WRITE(mac, 0x43, radio0);
1392 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x5a), cck0);
1393 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x59), cck1);
1394 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x58), cck2);
1395 	BWN_WRITE_2(mac, 0x3e6, reg1);
1396 	if (phy->analog != 0)
1397 		BWN_WRITE_2(mac, 0x3f4, reg2);
1398 	BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, syncctl);
1399 	bwn_spu_workaround(mac, phy->chan);
1400 	if (phy->type == BWN_PHYTYPE_B) {
1401 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), cck3);
1402 		BWN_WRITE_2(mac, 0x3ec, reg0);
1403 	} else if (phy->gmode) {
1404 		BWN_WRITE_2(mac, BWN_PHY_RADIO,
1405 			    BWN_READ_2(mac, BWN_PHY_RADIO)
1406 			    & 0x7fff);
1407 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, rfover);
1408 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfoverval);
1409 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, analogover);
1410 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL,
1411 			      analogoverval);
1412 		BWN_PHY_WRITE(mac, BWN_PHY_CRS0, crs0);
1413 		BWN_PHY_WRITE(mac, BWN_PHY_CLASSCTL, classctl);
1414 		if (BWN_HAS_LOOPBACK(phy)) {
1415 			BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, lomask);
1416 			BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, loctl);
1417 		}
1418 	}
1419 
1420 	return ((i > 15) ? radio78 : rcc);
1421 }
1422 
1423 static void
1424 bwn_phy_init_b6(struct bwn_mac *mac)
1425 {
1426 	struct bwn_phy *phy = &mac->mac_phy;
1427 	struct bwn_phy_g *pg = &phy->phy_g;
1428 	struct bwn_softc *sc = mac->mac_sc;
1429 	uint16_t offset, val;
1430 	uint8_t old_channel;
1431 
1432 	KASSERT(!(phy->rf_rev == 6 || phy->rf_rev == 7),
1433 	    ("%s:%d: fail", __func__, __LINE__));
1434 
1435 	BWN_PHY_WRITE(mac, 0x003e, 0x817a);
1436 	BWN_RF_WRITE(mac, 0x007a, BWN_RF_READ(mac, 0x007a) | 0x0058);
1437 	if (phy->rf_rev == 4 || phy->rf_rev == 5) {
1438 		BWN_RF_WRITE(mac, 0x51, 0x37);
1439 		BWN_RF_WRITE(mac, 0x52, 0x70);
1440 		BWN_RF_WRITE(mac, 0x53, 0xb3);
1441 		BWN_RF_WRITE(mac, 0x54, 0x9b);
1442 		BWN_RF_WRITE(mac, 0x5a, 0x88);
1443 		BWN_RF_WRITE(mac, 0x5b, 0x88);
1444 		BWN_RF_WRITE(mac, 0x5d, 0x88);
1445 		BWN_RF_WRITE(mac, 0x5e, 0x88);
1446 		BWN_RF_WRITE(mac, 0x7d, 0x88);
1447 		bwn_hf_write(mac,
1448 		    bwn_hf_read(mac) | BWN_HF_TSSI_RESET_PSM_WORKAROUN);
1449 	}
1450 	if (phy->rf_rev == 8) {
1451 		BWN_RF_WRITE(mac, 0x51, 0);
1452 		BWN_RF_WRITE(mac, 0x52, 0x40);
1453 		BWN_RF_WRITE(mac, 0x53, 0xb7);
1454 		BWN_RF_WRITE(mac, 0x54, 0x98);
1455 		BWN_RF_WRITE(mac, 0x5a, 0x88);
1456 		BWN_RF_WRITE(mac, 0x5b, 0x6b);
1457 		BWN_RF_WRITE(mac, 0x5c, 0x0f);
1458 		if (sc->sc_board_info.board_flags & BHND_BFL_ALTIQ) {
1459 			BWN_RF_WRITE(mac, 0x5d, 0xfa);
1460 			BWN_RF_WRITE(mac, 0x5e, 0xd8);
1461 		} else {
1462 			BWN_RF_WRITE(mac, 0x5d, 0xf5);
1463 			BWN_RF_WRITE(mac, 0x5e, 0xb8);
1464 		}
1465 		BWN_RF_WRITE(mac, 0x0073, 0x0003);
1466 		BWN_RF_WRITE(mac, 0x007d, 0x00a8);
1467 		BWN_RF_WRITE(mac, 0x007c, 0x0001);
1468 		BWN_RF_WRITE(mac, 0x007e, 0x0008);
1469 	}
1470 	for (val = 0x1e1f, offset = 0x0088; offset < 0x0098; offset++) {
1471 		BWN_PHY_WRITE(mac, offset, val);
1472 		val -= 0x0202;
1473 	}
1474 	for (val = 0x3e3f, offset = 0x0098; offset < 0x00a8; offset++) {
1475 		BWN_PHY_WRITE(mac, offset, val);
1476 		val -= 0x0202;
1477 	}
1478 	for (val = 0x2120, offset = 0x00a8; offset < 0x00c8; offset++) {
1479 		BWN_PHY_WRITE(mac, offset, (val & 0x3f3f));
1480 		val += 0x0202;
1481 	}
1482 	if (phy->type == BWN_PHYTYPE_G) {
1483 		BWN_RF_SET(mac, 0x007a, 0x0020);
1484 		BWN_RF_SET(mac, 0x0051, 0x0004);
1485 		BWN_PHY_SET(mac, 0x0802, 0x0100);
1486 		BWN_PHY_SET(mac, 0x042b, 0x2000);
1487 		BWN_PHY_WRITE(mac, 0x5b, 0);
1488 		BWN_PHY_WRITE(mac, 0x5c, 0);
1489 	}
1490 
1491 	old_channel = phy->chan;
1492 	bwn_phy_g_switch_chan(mac, (old_channel >= 8) ? 1 : 13, 0);
1493 
1494 	BWN_RF_WRITE(mac, 0x0050, 0x0020);
1495 	BWN_RF_WRITE(mac, 0x0050, 0x0023);
1496 	DELAY(40);
1497 	if (phy->rf_rev < 6 || phy->rf_rev == 8) {
1498 		BWN_RF_WRITE(mac, 0x7c, BWN_RF_READ(mac, 0x7c) | 0x0002);
1499 		BWN_RF_WRITE(mac, 0x50, 0x20);
1500 	}
1501 	if (phy->rf_rev <= 2) {
1502 		BWN_RF_WRITE(mac, 0x7c, 0x20);
1503 		BWN_RF_WRITE(mac, 0x5a, 0x70);
1504 		BWN_RF_WRITE(mac, 0x5b, 0x7b);
1505 		BWN_RF_WRITE(mac, 0x5c, 0xb0);
1506 	}
1507 	BWN_RF_SETMASK(mac, 0x007a, 0x00f8, 0x0007);
1508 
1509 	bwn_phy_g_switch_chan(mac, old_channel, 0);
1510 
1511 	BWN_PHY_WRITE(mac, 0x0014, 0x0200);
1512 	if (phy->rf_rev >= 6)
1513 		BWN_PHY_WRITE(mac, 0x2a, 0x88c2);
1514 	else
1515 		BWN_PHY_WRITE(mac, 0x2a, 0x8ac0);
1516 	BWN_PHY_WRITE(mac, 0x0038, 0x0668);
1517 	bwn_phy_g_set_txpwr_sub(mac, &pg->pg_bbatt, &pg->pg_rfatt,
1518 	    pg->pg_txctl);
1519 	if (phy->rf_rev <= 5)
1520 		BWN_PHY_SETMASK(mac, 0x5d, 0xff80, 0x0003);
1521 	if (phy->rf_rev <= 2)
1522 		BWN_RF_WRITE(mac, 0x005d, 0x000d);
1523 
1524 	if (phy->analog == 4) {
1525 		BWN_WRITE_2(mac, 0x3e4, 9);
1526 		BWN_PHY_MASK(mac, 0x61, 0x0fff);
1527 	} else
1528 		BWN_PHY_SETMASK(mac, 0x0002, 0xffc0, 0x0004);
1529 	if (phy->type == BWN_PHYTYPE_B)
1530 		KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
1531 	else if (phy->type == BWN_PHYTYPE_G)
1532 		BWN_WRITE_2(mac, 0x03e6, 0x0);
1533 }
1534 
1535 static void
1536 bwn_phy_init_a(struct bwn_mac *mac)
1537 {
1538 	struct bwn_phy *phy = &mac->mac_phy;
1539 	struct bwn_softc *sc = mac->mac_sc;
1540 
1541 	KASSERT(phy->type == BWN_PHYTYPE_A || phy->type == BWN_PHYTYPE_G,
1542 	    ("%s:%d: fail", __func__, __LINE__));
1543 
1544 	if (phy->rev >= 6) {
1545 		if (phy->type == BWN_PHYTYPE_A)
1546 			BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x1b), ~0x1000);
1547 		if (BWN_PHY_READ(mac, BWN_PHY_ENCORE) & BWN_PHY_ENCORE_EN)
1548 			BWN_PHY_SET(mac, BWN_PHY_ENCORE, 0x0010);
1549 		else
1550 			BWN_PHY_MASK(mac, BWN_PHY_ENCORE, ~0x1010);
1551 	}
1552 
1553 	bwn_wa_init(mac);
1554 
1555 	if (phy->type == BWN_PHYTYPE_G &&
1556 	    (sc->sc_board_info.board_flags & BHND_BFL_PACTRL))
1557 		BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x6e), 0xe000, 0x3cf);
1558 }
1559 
1560 static void
1561 bwn_wa_write_noisescale(struct bwn_mac *mac, const uint16_t *nst)
1562 {
1563 	int i;
1564 
1565 	for (i = 0; i < BWN_TAB_NOISESCALE_SIZE; i++)
1566 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_NOISESCALE, i, nst[i]);
1567 }
1568 
1569 static void
1570 bwn_wa_agc(struct bwn_mac *mac)
1571 {
1572 	struct bwn_phy *phy = &mac->mac_phy;
1573 
1574 	if (phy->rev == 1) {
1575 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 0, 254);
1576 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 1, 13);
1577 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 2, 19);
1578 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1_R1, 3, 25);
1579 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 0, 0x2710);
1580 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 1, 0x9b83);
1581 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 2, 0x9b83);
1582 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, 3, 0x0f8d);
1583 		BWN_PHY_WRITE(mac, BWN_PHY_LMS, 4);
1584 	} else {
1585 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 0, 254);
1586 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 1, 13);
1587 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 2, 19);
1588 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC1, 3, 25);
1589 	}
1590 
1591 	BWN_PHY_SETMASK(mac, BWN_PHY_CCKSHIFTBITS_WA, (uint16_t)~0xff00,
1592 	    0x5700);
1593 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x1a), ~0x007f, 0x000f);
1594 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x1a), ~0x3f80, 0x2b80);
1595 	BWN_PHY_SETMASK(mac, BWN_PHY_ANTWRSETT, 0xf0ff, 0x0300);
1596 	BWN_RF_SET(mac, 0x7a, 0x0008);
1597 	BWN_PHY_SETMASK(mac, BWN_PHY_N1P1GAIN, ~0x000f, 0x0008);
1598 	BWN_PHY_SETMASK(mac, BWN_PHY_P1P2GAIN, ~0x0f00, 0x0600);
1599 	BWN_PHY_SETMASK(mac, BWN_PHY_N1N2GAIN, ~0x0f00, 0x0700);
1600 	BWN_PHY_SETMASK(mac, BWN_PHY_N1P1GAIN, ~0x0f00, 0x0100);
1601 	if (phy->rev == 1)
1602 		BWN_PHY_SETMASK(mac, BWN_PHY_N1N2GAIN, ~0x000f, 0x0007);
1603 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x88), ~0x00ff, 0x001c);
1604 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x88), ~0x3f00, 0x0200);
1605 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x96), ~0x00ff, 0x001c);
1606 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x89), ~0x00ff, 0x0020);
1607 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x89), ~0x3f00, 0x0200);
1608 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x82), ~0x00ff, 0x002e);
1609 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x96), (uint16_t)~0xff00, 0x1a00);
1610 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x81), ~0x00ff, 0x0028);
1611 	BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x81), (uint16_t)~0xff00, 0x2c00);
1612 	if (phy->rev == 1) {
1613 		BWN_PHY_WRITE(mac, BWN_PHY_PEAK_COUNT, 0x092b);
1614 		BWN_PHY_SETMASK(mac, BWN_PHY_OFDM(0x1b), ~0x001e, 0x0002);
1615 	} else {
1616 		BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x1b), ~0x001e);
1617 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x1f), 0x287a);
1618 		BWN_PHY_SETMASK(mac, BWN_PHY_LPFGAINCTL, ~0x000f, 0x0004);
1619 		if (phy->rev >= 6) {
1620 			BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x22), 0x287a);
1621 			BWN_PHY_SETMASK(mac, BWN_PHY_LPFGAINCTL,
1622 			    (uint16_t)~0xf000, 0x3000);
1623 		}
1624 	}
1625 	BWN_PHY_SETMASK(mac, BWN_PHY_DIVSRCHIDX, 0x8080, 0x7874);
1626 	BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x8e), 0x1c00);
1627 	if (phy->rev == 1) {
1628 		BWN_PHY_SETMASK(mac, BWN_PHY_DIVP1P2GAIN, ~0x0f00, 0x0600);
1629 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x8b), 0x005e);
1630 		BWN_PHY_SETMASK(mac, BWN_PHY_ANTWRSETT, ~0x00ff, 0x001e);
1631 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x8d), 0x0002);
1632 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 0, 0);
1633 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 1, 7);
1634 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 2, 16);
1635 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3_R1, 3, 28);
1636 	} else {
1637 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 0, 0);
1638 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 1, 7);
1639 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 2, 16);
1640 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC3, 3, 28);
1641 	}
1642 	if (phy->rev >= 6) {
1643 		BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x26), ~0x0003);
1644 		BWN_PHY_MASK(mac, BWN_PHY_OFDM(0x26), ~0x1000);
1645 	}
1646 	BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM);
1647 }
1648 
1649 static void
1650 bwn_wa_grev1(struct bwn_mac *mac)
1651 {
1652 	struct bwn_phy *phy = &mac->mac_phy;
1653 	int i;
1654 	static const uint16_t bwn_tab_finefreqg[] = BWN_TAB_FINEFREQ_G;
1655 	static const uint32_t bwn_tab_retard[] = BWN_TAB_RETARD;
1656 	static const uint32_t bwn_tab_rotor[] = BWN_TAB_ROTOR;
1657 
1658 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
1659 
1660 	/* init CRSTHRES and ANTDWELL */
1661 	if (phy->rev == 1) {
1662 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1_R1, 0x4f19);
1663 	} else if (phy->rev == 2) {
1664 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x1861);
1665 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0271);
1666 		BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
1667 	} else {
1668 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x0098);
1669 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0070);
1670 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc9), 0x0080);
1671 		BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
1672 	}
1673 	BWN_PHY_SETMASK(mac, BWN_PHY_CRS0, ~0x03c0, 0xd000);
1674 	BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0x2c), 0x005a);
1675 	BWN_PHY_WRITE(mac, BWN_PHY_CCKSHIFTBITS, 0x0026);
1676 
1677 	/* XXX support PHY-A??? */
1678 	for (i = 0; i < N(bwn_tab_finefreqg); i++)
1679 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DACRFPABB, i,
1680 		    bwn_tab_finefreqg[i]);
1681 
1682 	/* XXX support PHY-A??? */
1683 	if (phy->rev == 1)
1684 		for (i = 0; i < N(bwn_tab_noise_g1); i++)
1685 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
1686 			    bwn_tab_noise_g1[i]);
1687 	else
1688 		for (i = 0; i < N(bwn_tab_noise_g2); i++)
1689 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
1690 			    bwn_tab_noise_g2[i]);
1691 
1692 	for (i = 0; i < N(bwn_tab_rotor); i++)
1693 		bwn_ofdmtab_write_4(mac, BWN_OFDMTAB_ROTOR, i,
1694 		    bwn_tab_rotor[i]);
1695 
1696 	/* XXX support PHY-A??? */
1697 	if (phy->rev >= 6) {
1698 		if (BWN_PHY_READ(mac, BWN_PHY_ENCORE) &
1699 		    BWN_PHY_ENCORE_EN)
1700 			bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g3);
1701 		else
1702 			bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g2);
1703 	} else
1704 		bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g1);
1705 
1706 	for (i = 0; i < N(bwn_tab_retard); i++)
1707 		bwn_ofdmtab_write_4(mac, BWN_OFDMTAB_ADVRETARD, i,
1708 		    bwn_tab_retard[i]);
1709 
1710 	if (phy->rev == 1) {
1711 		for (i = 0; i < 16; i++)
1712 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI_R1,
1713 			    i, 0x0020);
1714 	} else {
1715 		for (i = 0; i < 32; i++)
1716 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI, i, 0x0820);
1717 	}
1718 
1719 	bwn_wa_agc(mac);
1720 }
1721 
1722 static void
1723 bwn_wa_grev26789(struct bwn_mac *mac)
1724 {
1725 	struct bwn_phy *phy = &mac->mac_phy;
1726 	int i;
1727 	static const uint16_t bwn_tab_sigmasqr2[] = BWN_TAB_SIGMASQR2;
1728 	uint16_t ofdmrev;
1729 
1730 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
1731 
1732 	bwn_gtab_write(mac, BWN_GTAB_ORIGTR, 0, 0xc480);
1733 
1734 	/* init CRSTHRES and ANTDWELL */
1735 	if (phy->rev == 1)
1736 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1_R1, 0x4f19);
1737 	else if (phy->rev == 2) {
1738 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x1861);
1739 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0271);
1740 		BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
1741 	} else {
1742 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES1, 0x0098);
1743 		BWN_PHY_WRITE(mac, BWN_PHY_CRSTHRES2, 0x0070);
1744 		BWN_PHY_WRITE(mac, BWN_PHY_OFDM(0xc9), 0x0080);
1745 		BWN_PHY_SET(mac, BWN_PHY_ANTDWELL, 0x0800);
1746 	}
1747 
1748 	for (i = 0; i < 64; i++)
1749 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_RSSI, i, i);
1750 
1751 	/* XXX support PHY-A??? */
1752 	if (phy->rev == 1)
1753 		for (i = 0; i < N(bwn_tab_noise_g1); i++)
1754 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
1755 			    bwn_tab_noise_g1[i]);
1756 	else
1757 		for (i = 0; i < N(bwn_tab_noise_g2); i++)
1758 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_AGC2, i,
1759 			    bwn_tab_noise_g2[i]);
1760 
1761 	/* XXX support PHY-A??? */
1762 	if (phy->rev >= 6) {
1763 		if (BWN_PHY_READ(mac, BWN_PHY_ENCORE) &
1764 		    BWN_PHY_ENCORE_EN)
1765 			bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g3);
1766 		else
1767 			bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g2);
1768 	} else
1769 		bwn_wa_write_noisescale(mac, bwn_tab_noisescale_g1);
1770 
1771 	for (i = 0; i < N(bwn_tab_sigmasqr2); i++)
1772 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_MINSIGSQ, i,
1773 		    bwn_tab_sigmasqr2[i]);
1774 
1775 	if (phy->rev == 1) {
1776 		for (i = 0; i < 16; i++)
1777 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI_R1, i,
1778 			    0x0020);
1779 	} else {
1780 		for (i = 0; i < 32; i++)
1781 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_WRSSI, i, 0x0820);
1782 	}
1783 
1784 	bwn_wa_agc(mac);
1785 
1786 	ofdmrev = BWN_PHY_READ(mac, BWN_PHY_VERSION_OFDM) & BWN_PHYVER_VERSION;
1787 	if (ofdmrev > 2) {
1788 		if (phy->type == BWN_PHYTYPE_A)
1789 			BWN_PHY_WRITE(mac, BWN_PHY_PWRDOWN, 0x1808);
1790 		else
1791 			BWN_PHY_WRITE(mac, BWN_PHY_PWRDOWN, 0x1000);
1792 	} else {
1793 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DAC, 3, 0x1044);
1794 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DAC, 4, 0x7201);
1795 		bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_DAC, 6, 0x0040);
1796 	}
1797 
1798 	bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_0F, 2, 15);
1799 	bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_0F, 3, 20);
1800 }
1801 
1802 static void
1803 bwn_wa_init(struct bwn_mac *mac)
1804 {
1805 	struct bwn_phy *phy = &mac->mac_phy;
1806 	struct bwn_softc *sc = mac->mac_sc;
1807 
1808 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s fail", __func__));
1809 
1810 	switch (phy->rev) {
1811 	case 1:
1812 		bwn_wa_grev1(mac);
1813 		break;
1814 	case 2:
1815 	case 6:
1816 	case 7:
1817 	case 8:
1818 	case 9:
1819 		bwn_wa_grev26789(mac);
1820 		break;
1821 	default:
1822 		KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
1823 	}
1824 
1825 	if (sc->sc_board_info.board_vendor != PCI_VENDOR_BROADCOM ||
1826 	    sc->sc_board_info.board_type != BHND_BOARD_BU4306 ||
1827 	    sc->sc_board_info.board_rev != 0x17) {
1828 		if (phy->rev < 2) {
1829 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX_R1, 1,
1830 			    0x0002);
1831 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX_R1, 2,
1832 			    0x0001);
1833 		} else {
1834 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX, 1, 0x0002);
1835 			bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX, 2, 0x0001);
1836 			if ((sc->sc_board_info.board_flags &
1837 			     BHND_BFL_EXTLNA) &&
1838 			    (phy->rev >= 7)) {
1839 				BWN_PHY_MASK(mac, BWN_PHY_EXTG(0x11), 0xf7ff);
1840 				bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
1841 				    0x0020, 0x0001);
1842 				bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
1843 				    0x0021, 0x0001);
1844 				bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
1845 				    0x0022, 0x0001);
1846 				bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
1847 				    0x0023, 0x0000);
1848 				bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
1849 				    0x0000, 0x0000);
1850 				bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_GAINX,
1851 				    0x0003, 0x0002);
1852 			}
1853 		}
1854 	}
1855 	if (sc->sc_board_info.board_flags & BHND_BFL_FEM) {
1856 		BWN_PHY_WRITE(mac, BWN_PHY_GTABCTL, 0x3120);
1857 		BWN_PHY_WRITE(mac, BWN_PHY_GTABDATA, 0xc480);
1858 	}
1859 
1860 	bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_11, 0, 0);
1861 	bwn_ofdmtab_write_2(mac, BWN_OFDMTAB_UNKNOWN_11, 1, 0);
1862 }
1863 
1864 static void
1865 bwn_ofdmtab_write_2(struct bwn_mac *mac, uint16_t table, uint16_t offset,
1866     uint16_t value)
1867 {
1868 	struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
1869 	uint16_t addr;
1870 
1871 	addr = table + offset;
1872 	if ((pg->pg_ofdmtab_dir != BWN_OFDMTAB_DIR_WRITE) ||
1873 	    (addr - 1 != pg->pg_ofdmtab_addr)) {
1874 		BWN_PHY_WRITE(mac, BWN_PHY_OTABLECTL, addr);
1875 		pg->pg_ofdmtab_dir = BWN_OFDMTAB_DIR_WRITE;
1876 	}
1877 	pg->pg_ofdmtab_addr = addr;
1878 	BWN_PHY_WRITE(mac, BWN_PHY_OTABLEI, value);
1879 }
1880 
1881 static void
1882 bwn_ofdmtab_write_4(struct bwn_mac *mac, uint16_t table, uint16_t offset,
1883     uint32_t value)
1884 {
1885 	struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
1886 	uint16_t addr;
1887 
1888 	addr = table + offset;
1889 	if ((pg->pg_ofdmtab_dir != BWN_OFDMTAB_DIR_WRITE) ||
1890 	    (addr - 1 != pg->pg_ofdmtab_addr)) {
1891 		BWN_PHY_WRITE(mac, BWN_PHY_OTABLECTL, addr);
1892 		pg->pg_ofdmtab_dir = BWN_OFDMTAB_DIR_WRITE;
1893 	}
1894 	pg->pg_ofdmtab_addr = addr;
1895 
1896 	BWN_PHY_WRITE(mac, BWN_PHY_OTABLEI, value);
1897 	BWN_PHY_WRITE(mac, BWN_PHY_OTABLEQ, (value >> 16));
1898 }
1899 
1900 static void
1901 bwn_gtab_write(struct bwn_mac *mac, uint16_t table, uint16_t offset,
1902     uint16_t value)
1903 {
1904 
1905 	BWN_PHY_WRITE(mac, BWN_PHY_GTABCTL, table + offset);
1906 	BWN_PHY_WRITE(mac, BWN_PHY_GTABDATA, value);
1907 }
1908 
1909 static void
1910 bwn_lo_write(struct bwn_mac *mac, struct bwn_loctl *ctl)
1911 {
1912 	uint16_t value;
1913 
1914 	KASSERT(mac->mac_phy.type == BWN_PHYTYPE_G,
1915 	    ("%s:%d: fail", __func__, __LINE__));
1916 
1917 	value = (uint8_t) (ctl->q);
1918 	value |= ((uint8_t) (ctl->i)) << 8;
1919 	BWN_PHY_WRITE(mac, BWN_PHY_LO_CTL, value);
1920 }
1921 
1922 static uint16_t
1923 bwn_lo_calcfeed(struct bwn_mac *mac,
1924     uint16_t lna, uint16_t pga, uint16_t trsw_rx)
1925 {
1926 	struct bwn_phy *phy = &mac->mac_phy;
1927 	struct bwn_softc *sc = mac->mac_sc;
1928 	uint16_t rfover;
1929 	uint16_t feedthrough;
1930 
1931 	if (phy->gmode) {
1932 		lna <<= BWN_PHY_RFOVERVAL_LNA_SHIFT;
1933 		pga <<= BWN_PHY_RFOVERVAL_PGA_SHIFT;
1934 
1935 		KASSERT((lna & ~BWN_PHY_RFOVERVAL_LNA) == 0,
1936 		    ("%s:%d: fail", __func__, __LINE__));
1937 		KASSERT((pga & ~BWN_PHY_RFOVERVAL_PGA) == 0,
1938 		    ("%s:%d: fail", __func__, __LINE__));
1939 
1940 		trsw_rx &= (BWN_PHY_RFOVERVAL_TRSWRX | BWN_PHY_RFOVERVAL_BW);
1941 
1942 		rfover = BWN_PHY_RFOVERVAL_UNK | pga | lna | trsw_rx;
1943 		if ((sc->sc_board_info.board_flags & BHND_BFL_EXTLNA) &&
1944 		    phy->rev > 6)
1945 			rfover |= BWN_PHY_RFOVERVAL_EXTLNA;
1946 
1947 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xe300);
1948 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfover);
1949 		DELAY(10);
1950 		rfover |= BWN_PHY_RFOVERVAL_BW_LBW;
1951 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfover);
1952 		DELAY(10);
1953 		rfover |= BWN_PHY_RFOVERVAL_BW_LPF;
1954 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, rfover);
1955 		DELAY(10);
1956 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xf300);
1957 	} else {
1958 		pga |= BWN_PHY_PGACTL_UNKNOWN;
1959 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pga);
1960 		DELAY(10);
1961 		pga |= BWN_PHY_PGACTL_LOWBANDW;
1962 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pga);
1963 		DELAY(10);
1964 		pga |= BWN_PHY_PGACTL_LPF;
1965 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, pga);
1966 	}
1967 	DELAY(21);
1968 	feedthrough = BWN_PHY_READ(mac, BWN_PHY_LO_LEAKAGE);
1969 
1970 	return (feedthrough);
1971 }
1972 
1973 static uint16_t
1974 bwn_lo_txctl_regtable(struct bwn_mac *mac,
1975     uint16_t *value, uint16_t *pad_mix_gain)
1976 {
1977 	struct bwn_phy *phy = &mac->mac_phy;
1978 	uint16_t reg, v, padmix;
1979 
1980 	if (phy->type == BWN_PHYTYPE_B) {
1981 		v = 0x30;
1982 		if (phy->rf_rev <= 5) {
1983 			reg = 0x43;
1984 			padmix = 0;
1985 		} else {
1986 			reg = 0x52;
1987 			padmix = 5;
1988 		}
1989 	} else {
1990 		if (phy->rev >= 2 && phy->rf_rev == 8) {
1991 			reg = 0x43;
1992 			v = 0x10;
1993 			padmix = 2;
1994 		} else {
1995 			reg = 0x52;
1996 			v = 0x30;
1997 			padmix = 5;
1998 		}
1999 	}
2000 	if (value)
2001 		*value = v;
2002 	if (pad_mix_gain)
2003 		*pad_mix_gain = padmix;
2004 
2005 	return (reg);
2006 }
2007 
2008 static void
2009 bwn_lo_measure_txctl_values(struct bwn_mac *mac)
2010 {
2011 	struct bwn_phy *phy = &mac->mac_phy;
2012 	struct bwn_phy_g *pg = &phy->phy_g;
2013 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
2014 	uint16_t reg, mask;
2015 	uint16_t trsw_rx, pga;
2016 	uint16_t rf_pctl_reg;
2017 
2018 	static const uint8_t tx_bias_values[] = {
2019 		0x09, 0x08, 0x0a, 0x01, 0x00,
2020 		0x02, 0x05, 0x04, 0x06,
2021 	};
2022 	static const uint8_t tx_magn_values[] = {
2023 		0x70, 0x40,
2024 	};
2025 
2026 	if (!BWN_HAS_LOOPBACK(phy)) {
2027 		rf_pctl_reg = 6;
2028 		trsw_rx = 2;
2029 		pga = 0;
2030 	} else {
2031 		int lb_gain;
2032 
2033 		trsw_rx = 0;
2034 		lb_gain = pg->pg_max_lb_gain / 2;
2035 		if (lb_gain > 10) {
2036 			rf_pctl_reg = 0;
2037 			pga = abs(10 - lb_gain) / 6;
2038 			pga = MIN(MAX(pga, 0), 15);
2039 		} else {
2040 			int cmp_val;
2041 			int tmp;
2042 
2043 			pga = 0;
2044 			cmp_val = 0x24;
2045 			if ((phy->rev >= 2) &&
2046 			    (phy->rf_ver == 0x2050) && (phy->rf_rev == 8))
2047 				cmp_val = 0x3c;
2048 			tmp = lb_gain;
2049 			if ((10 - lb_gain) < cmp_val)
2050 				tmp = (10 - lb_gain);
2051 			if (tmp < 0)
2052 				tmp += 6;
2053 			else
2054 				tmp += 3;
2055 			cmp_val /= 4;
2056 			tmp /= 4;
2057 			if (tmp >= cmp_val)
2058 				rf_pctl_reg = cmp_val;
2059 			else
2060 				rf_pctl_reg = tmp;
2061 		}
2062 	}
2063 	BWN_RF_SETMASK(mac, 0x43, 0xfff0, rf_pctl_reg);
2064 	bwn_phy_g_set_bbatt(mac, 2);
2065 
2066 	reg = bwn_lo_txctl_regtable(mac, &mask, NULL);
2067 	mask = ~mask;
2068 	BWN_RF_MASK(mac, reg, mask);
2069 
2070 	if (BWN_HAS_TXMAG(phy)) {
2071 		int i, j;
2072 		int feedthrough;
2073 		int min_feedth = 0xffff;
2074 		uint8_t tx_magn, tx_bias;
2075 
2076 		for (i = 0; i < N(tx_magn_values); i++) {
2077 			tx_magn = tx_magn_values[i];
2078 			BWN_RF_SETMASK(mac, 0x52, 0xff0f, tx_magn);
2079 			for (j = 0; j < N(tx_bias_values); j++) {
2080 				tx_bias = tx_bias_values[j];
2081 				BWN_RF_SETMASK(mac, 0x52, 0xfff0, tx_bias);
2082 				feedthrough = bwn_lo_calcfeed(mac, 0, pga,
2083 				    trsw_rx);
2084 				if (feedthrough < min_feedth) {
2085 					lo->tx_bias = tx_bias;
2086 					lo->tx_magn = tx_magn;
2087 					min_feedth = feedthrough;
2088 				}
2089 				if (lo->tx_bias == 0)
2090 					break;
2091 			}
2092 			BWN_RF_WRITE(mac, 0x52,
2093 					  (BWN_RF_READ(mac, 0x52)
2094 					   & 0xff00) | lo->tx_bias | lo->
2095 					  tx_magn);
2096 		}
2097 	} else {
2098 		lo->tx_magn = 0;
2099 		lo->tx_bias = 0;
2100 		BWN_RF_MASK(mac, 0x52, 0xfff0);
2101 	}
2102 
2103 	BWN_GETTIME(lo->txctl_measured_time);
2104 }
2105 
2106 static void
2107 bwn_lo_get_powervector(struct bwn_mac *mac)
2108 {
2109 	struct bwn_phy *phy = &mac->mac_phy;
2110 	struct bwn_phy_g *pg = &phy->phy_g;
2111 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
2112 	int i;
2113 	uint64_t tmp;
2114 	uint64_t power_vector = 0;
2115 
2116 	for (i = 0; i < 8; i += 2) {
2117 		tmp = bwn_shm_read_2(mac, BWN_SHARED, 0x310 + i);
2118 		power_vector |= (tmp << (i * 8));
2119 		bwn_shm_write_2(mac, BWN_SHARED, 0x310 + i, 0);
2120 	}
2121 	if (power_vector)
2122 		lo->power_vector = power_vector;
2123 
2124 	BWN_GETTIME(lo->pwr_vec_read_time);
2125 }
2126 
2127 static void
2128 bwn_lo_measure_gain_values(struct bwn_mac *mac, int16_t max_rx_gain,
2129     int use_trsw_rx)
2130 {
2131 	struct bwn_phy *phy = &mac->mac_phy;
2132 	struct bwn_phy_g *pg = &phy->phy_g;
2133 	uint16_t tmp;
2134 
2135 	if (max_rx_gain < 0)
2136 		max_rx_gain = 0;
2137 
2138 	if (BWN_HAS_LOOPBACK(phy)) {
2139 		int trsw_rx_gain;
2140 
2141 		if (use_trsw_rx) {
2142 			trsw_rx_gain = pg->pg_trsw_rx_gain / 2;
2143 			if (max_rx_gain >= trsw_rx_gain) {
2144 				trsw_rx_gain = max_rx_gain - trsw_rx_gain;
2145 			}
2146 		} else
2147 			trsw_rx_gain = max_rx_gain;
2148 		if (trsw_rx_gain < 9) {
2149 			pg->pg_lna_lod_gain = 0;
2150 		} else {
2151 			pg->pg_lna_lod_gain = 1;
2152 			trsw_rx_gain -= 8;
2153 		}
2154 		trsw_rx_gain = MIN(MAX(trsw_rx_gain, 0), 0x2d);
2155 		pg->pg_pga_gain = trsw_rx_gain / 3;
2156 		if (pg->pg_pga_gain >= 5) {
2157 			pg->pg_pga_gain -= 5;
2158 			pg->pg_lna_gain = 2;
2159 		} else
2160 			pg->pg_lna_gain = 0;
2161 	} else {
2162 		pg->pg_lna_gain = 0;
2163 		pg->pg_trsw_rx_gain = 0x20;
2164 		if (max_rx_gain >= 0x14) {
2165 			pg->pg_lna_lod_gain = 1;
2166 			pg->pg_pga_gain = 2;
2167 		} else if (max_rx_gain >= 0x12) {
2168 			pg->pg_lna_lod_gain = 1;
2169 			pg->pg_pga_gain = 1;
2170 		} else if (max_rx_gain >= 0xf) {
2171 			pg->pg_lna_lod_gain = 1;
2172 			pg->pg_pga_gain = 0;
2173 		} else {
2174 			pg->pg_lna_lod_gain = 0;
2175 			pg->pg_pga_gain = 0;
2176 		}
2177 	}
2178 
2179 	tmp = BWN_RF_READ(mac, 0x7a);
2180 	if (pg->pg_lna_lod_gain == 0)
2181 		tmp &= ~0x0008;
2182 	else
2183 		tmp |= 0x0008;
2184 	BWN_RF_WRITE(mac, 0x7a, tmp);
2185 }
2186 
2187 static void
2188 bwn_lo_save(struct bwn_mac *mac, struct bwn_lo_g_value *sav)
2189 {
2190 	struct bwn_phy *phy = &mac->mac_phy;
2191 	struct bwn_phy_g *pg = &phy->phy_g;
2192 	struct bwn_softc *sc = mac->mac_sc;
2193 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
2194 	struct timespec ts;
2195 	uint16_t tmp;
2196 
2197 	if (bwn_has_hwpctl(mac)) {
2198 		sav->phy_lomask = BWN_PHY_READ(mac, BWN_PHY_LO_MASK);
2199 		sav->phy_extg = BWN_PHY_READ(mac, BWN_PHY_EXTG(0x01));
2200 		sav->phy_dacctl_hwpctl = BWN_PHY_READ(mac, BWN_PHY_DACCTL);
2201 		sav->phy_cck4 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x14));
2202 		sav->phy_hpwr_tssictl = BWN_PHY_READ(mac, BWN_PHY_HPWR_TSSICTL);
2203 
2204 		BWN_PHY_SET(mac, BWN_PHY_HPWR_TSSICTL, 0x100);
2205 		BWN_PHY_SET(mac, BWN_PHY_EXTG(0x01), 0x40);
2206 		BWN_PHY_SET(mac, BWN_PHY_DACCTL, 0x40);
2207 		BWN_PHY_SET(mac, BWN_PHY_CCK(0x14), 0x200);
2208 	}
2209 	if (phy->type == BWN_PHYTYPE_B &&
2210 	    phy->rf_ver == 0x2050 && phy->rf_rev < 6) {
2211 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x16), 0x410);
2212 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x17), 0x820);
2213 	}
2214 	if (phy->rev >= 2) {
2215 		sav->phy_analogover = BWN_PHY_READ(mac, BWN_PHY_ANALOGOVER);
2216 		sav->phy_analogoverval =
2217 		    BWN_PHY_READ(mac, BWN_PHY_ANALOGOVERVAL);
2218 		sav->phy_rfover = BWN_PHY_READ(mac, BWN_PHY_RFOVER);
2219 		sav->phy_rfoverval = BWN_PHY_READ(mac, BWN_PHY_RFOVERVAL);
2220 		sav->phy_classctl = BWN_PHY_READ(mac, BWN_PHY_CLASSCTL);
2221 		sav->phy_cck3 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x3e));
2222 		sav->phy_crs0 = BWN_PHY_READ(mac, BWN_PHY_CRS0);
2223 
2224 		BWN_PHY_MASK(mac, BWN_PHY_CLASSCTL, 0xfffc);
2225 		BWN_PHY_MASK(mac, BWN_PHY_CRS0, 0x7fff);
2226 		BWN_PHY_SET(mac, BWN_PHY_ANALOGOVER, 0x0003);
2227 		BWN_PHY_MASK(mac, BWN_PHY_ANALOGOVERVAL, 0xfffc);
2228 		if (phy->type == BWN_PHYTYPE_G) {
2229 			if ((phy->rev >= 7) &&
2230 			    (sc->sc_board_info.board_flags &
2231 			     BHND_BFL_EXTLNA)) {
2232 				BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0x933);
2233 			} else {
2234 				BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0x133);
2235 			}
2236 		} else {
2237 			BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, 0);
2238 		}
2239 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x3e), 0);
2240 	}
2241 	sav->reg0 = BWN_READ_2(mac, 0x3f4);
2242 	sav->reg1 = BWN_READ_2(mac, 0x3e2);
2243 	sav->rf0 = BWN_RF_READ(mac, 0x43);
2244 	sav->rf1 = BWN_RF_READ(mac, 0x7a);
2245 	sav->phy_pgactl = BWN_PHY_READ(mac, BWN_PHY_PGACTL);
2246 	sav->phy_cck2 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x2a));
2247 	sav->phy_syncctl = BWN_PHY_READ(mac, BWN_PHY_SYNCCTL);
2248 	sav->phy_dacctl = BWN_PHY_READ(mac, BWN_PHY_DACCTL);
2249 
2250 	if (!BWN_HAS_TXMAG(phy)) {
2251 		sav->rf2 = BWN_RF_READ(mac, 0x52);
2252 		sav->rf2 &= 0x00f0;
2253 	}
2254 	if (phy->type == BWN_PHYTYPE_B) {
2255 		sav->phy_cck0 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x30));
2256 		sav->phy_cck1 = BWN_PHY_READ(mac, BWN_PHY_CCK(0x06));
2257 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), 0x00ff);
2258 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x06), 0x3f3f);
2259 	} else {
2260 		BWN_WRITE_2(mac, 0x3e2, BWN_READ_2(mac, 0x3e2)
2261 			    | 0x8000);
2262 	}
2263 	BWN_WRITE_2(mac, 0x3f4, BWN_READ_2(mac, 0x3f4)
2264 		    & 0xf000);
2265 
2266 	tmp =
2267 	    (phy->type == BWN_PHYTYPE_G) ? BWN_PHY_LO_MASK : BWN_PHY_CCK(0x2e);
2268 	BWN_PHY_WRITE(mac, tmp, 0x007f);
2269 
2270 	tmp = sav->phy_syncctl;
2271 	BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, tmp & 0xff7f);
2272 	tmp = sav->rf1;
2273 	BWN_RF_WRITE(mac, 0x007a, tmp & 0xfff0);
2274 
2275 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2a), 0x8a3);
2276 	if (phy->type == BWN_PHYTYPE_G ||
2277 	    (phy->type == BWN_PHYTYPE_B &&
2278 	     phy->rf_ver == 0x2050 && phy->rf_rev >= 6)) {
2279 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), 0x1003);
2280 	} else
2281 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2b), 0x0802);
2282 	if (phy->rev >= 2)
2283 		bwn_dummy_transmission(mac, 0, 1);
2284 	bwn_phy_g_switch_chan(mac, 6, 0);
2285 	BWN_RF_READ(mac, 0x51);
2286 	if (phy->type == BWN_PHYTYPE_G)
2287 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0);
2288 
2289 	nanouptime(&ts);
2290 	if (ieee80211_time_before(lo->txctl_measured_time,
2291 	    (ts.tv_nsec / 1000000 + ts.tv_sec * 1000) - BWN_LO_TXCTL_EXPIRE))
2292 		bwn_lo_measure_txctl_values(mac);
2293 
2294 	if (phy->type == BWN_PHYTYPE_G && phy->rev >= 3)
2295 		BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0xc078);
2296 	else {
2297 		if (phy->type == BWN_PHYTYPE_B)
2298 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x8078);
2299 		else
2300 			BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, 0x8078);
2301 	}
2302 }
2303 
2304 static void
2305 bwn_lo_restore(struct bwn_mac *mac, struct bwn_lo_g_value *sav)
2306 {
2307 	struct bwn_phy *phy = &mac->mac_phy;
2308 	struct bwn_phy_g *pg = &phy->phy_g;
2309 	uint16_t tmp;
2310 
2311 	if (phy->rev >= 2) {
2312 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, 0xe300);
2313 		tmp = (pg->pg_pga_gain << 8);
2314 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, tmp | 0xa0);
2315 		DELAY(5);
2316 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, tmp | 0xa2);
2317 		DELAY(2);
2318 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, tmp | 0xa3);
2319 	} else {
2320 		tmp = (pg->pg_pga_gain | 0xefa0);
2321 		BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, tmp);
2322 	}
2323 	if (phy->type == BWN_PHYTYPE_G) {
2324 		if (phy->rev >= 3)
2325 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0xc078);
2326 		else
2327 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2e), 0x8078);
2328 		if (phy->rev >= 2)
2329 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x0202);
2330 		else
2331 			BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2f), 0x0101);
2332 	}
2333 	BWN_WRITE_2(mac, 0x3f4, sav->reg0);
2334 	BWN_PHY_WRITE(mac, BWN_PHY_PGACTL, sav->phy_pgactl);
2335 	BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x2a), sav->phy_cck2);
2336 	BWN_PHY_WRITE(mac, BWN_PHY_SYNCCTL, sav->phy_syncctl);
2337 	BWN_PHY_WRITE(mac, BWN_PHY_DACCTL, sav->phy_dacctl);
2338 	BWN_RF_WRITE(mac, 0x43, sav->rf0);
2339 	BWN_RF_WRITE(mac, 0x7a, sav->rf1);
2340 	if (!BWN_HAS_TXMAG(phy)) {
2341 		tmp = sav->rf2;
2342 		BWN_RF_SETMASK(mac, 0x52, 0xff0f, tmp);
2343 	}
2344 	BWN_WRITE_2(mac, 0x3e2, sav->reg1);
2345 	if (phy->type == BWN_PHYTYPE_B &&
2346 	    phy->rf_ver == 0x2050 && phy->rf_rev <= 5) {
2347 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x30), sav->phy_cck0);
2348 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x06), sav->phy_cck1);
2349 	}
2350 	if (phy->rev >= 2) {
2351 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVER, sav->phy_analogover);
2352 		BWN_PHY_WRITE(mac, BWN_PHY_ANALOGOVERVAL,
2353 			      sav->phy_analogoverval);
2354 		BWN_PHY_WRITE(mac, BWN_PHY_CLASSCTL, sav->phy_classctl);
2355 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVER, sav->phy_rfover);
2356 		BWN_PHY_WRITE(mac, BWN_PHY_RFOVERVAL, sav->phy_rfoverval);
2357 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x3e), sav->phy_cck3);
2358 		BWN_PHY_WRITE(mac, BWN_PHY_CRS0, sav->phy_crs0);
2359 	}
2360 	if (bwn_has_hwpctl(mac)) {
2361 		tmp = (sav->phy_lomask & 0xbfff);
2362 		BWN_PHY_WRITE(mac, BWN_PHY_LO_MASK, tmp);
2363 		BWN_PHY_WRITE(mac, BWN_PHY_EXTG(0x01), sav->phy_extg);
2364 		BWN_PHY_WRITE(mac, BWN_PHY_DACCTL, sav->phy_dacctl_hwpctl);
2365 		BWN_PHY_WRITE(mac, BWN_PHY_CCK(0x14), sav->phy_cck4);
2366 		BWN_PHY_WRITE(mac, BWN_PHY_HPWR_TSSICTL, sav->phy_hpwr_tssictl);
2367 	}
2368 	bwn_phy_g_switch_chan(mac, sav->old_channel, 1);
2369 }
2370 
2371 static int
2372 bwn_lo_probe_loctl(struct bwn_mac *mac,
2373     struct bwn_loctl *probe, struct bwn_lo_g_sm *d)
2374 {
2375 	struct bwn_phy *phy = &mac->mac_phy;
2376 	struct bwn_phy_g *pg = &phy->phy_g;
2377 	struct bwn_loctl orig, test;
2378 	struct bwn_loctl prev = { -100, -100 };
2379 	static const struct bwn_loctl modifiers[] = {
2380 		{  1,  1,}, {  1,  0,}, {  1, -1,}, {  0, -1,},
2381 		{ -1, -1,}, { -1,  0,}, { -1,  1,}, {  0,  1,}
2382 	};
2383 	int begin, end, lower = 0, i;
2384 	uint16_t feedth;
2385 
2386 	if (d->curstate == 0) {
2387 		begin = 1;
2388 		end = 8;
2389 	} else if (d->curstate % 2 == 0) {
2390 		begin = d->curstate - 1;
2391 		end = d->curstate + 1;
2392 	} else {
2393 		begin = d->curstate - 2;
2394 		end = d->curstate + 2;
2395 	}
2396 	if (begin < 1)
2397 		begin += 8;
2398 	if (end > 8)
2399 		end -= 8;
2400 
2401 	memcpy(&orig, probe, sizeof(struct bwn_loctl));
2402 	i = begin;
2403 	d->curstate = i;
2404 	while (1) {
2405 		KASSERT(i >= 1 && i <= 8, ("%s:%d: fail", __func__, __LINE__));
2406 		memcpy(&test, &orig, sizeof(struct bwn_loctl));
2407 		test.i += modifiers[i - 1].i * d->multipler;
2408 		test.q += modifiers[i - 1].q * d->multipler;
2409 		if ((test.i != prev.i || test.q != prev.q) &&
2410 		    (abs(test.i) <= 16 && abs(test.q) <= 16)) {
2411 			bwn_lo_write(mac, &test);
2412 			feedth = bwn_lo_calcfeed(mac, pg->pg_lna_gain,
2413 			    pg->pg_pga_gain, pg->pg_trsw_rx_gain);
2414 			if (feedth < d->feedth) {
2415 				memcpy(probe, &test,
2416 				    sizeof(struct bwn_loctl));
2417 				lower = 1;
2418 				d->feedth = feedth;
2419 				if (d->nmeasure < 2 && !BWN_HAS_LOOPBACK(phy))
2420 					break;
2421 			}
2422 		}
2423 		memcpy(&prev, &test, sizeof(prev));
2424 		if (i == end)
2425 			break;
2426 		if (i == 8)
2427 			i = 1;
2428 		else
2429 			i++;
2430 		d->curstate = i;
2431 	}
2432 
2433 	return (lower);
2434 }
2435 
2436 static void
2437 bwn_lo_probe_sm(struct bwn_mac *mac, struct bwn_loctl *loctl, int *rxgain)
2438 {
2439 	struct bwn_phy *phy = &mac->mac_phy;
2440 	struct bwn_phy_g *pg = &phy->phy_g;
2441 	struct bwn_lo_g_sm d;
2442 	struct bwn_loctl probe;
2443 	int lower, repeat, cnt = 0;
2444 	uint16_t feedth;
2445 
2446 	d.nmeasure = 0;
2447 	d.multipler = 1;
2448 	if (BWN_HAS_LOOPBACK(phy))
2449 		d.multipler = 3;
2450 
2451 	memcpy(&d.loctl, loctl, sizeof(struct bwn_loctl));
2452 	repeat = (BWN_HAS_LOOPBACK(phy)) ? 4 : 1;
2453 
2454 	do {
2455 		bwn_lo_write(mac, &d.loctl);
2456 		feedth = bwn_lo_calcfeed(mac, pg->pg_lna_gain,
2457 		    pg->pg_pga_gain, pg->pg_trsw_rx_gain);
2458 		if (feedth < 0x258) {
2459 			if (feedth >= 0x12c)
2460 				*rxgain += 6;
2461 			else
2462 				*rxgain += 3;
2463 			feedth = bwn_lo_calcfeed(mac, pg->pg_lna_gain,
2464 			    pg->pg_pga_gain, pg->pg_trsw_rx_gain);
2465 		}
2466 		d.feedth = feedth;
2467 		d.curstate = 0;
2468 		do {
2469 			KASSERT(d.curstate >= 0 && d.curstate <= 8,
2470 			    ("%s:%d: fail", __func__, __LINE__));
2471 			memcpy(&probe, &d.loctl,
2472 			       sizeof(struct bwn_loctl));
2473 			lower = bwn_lo_probe_loctl(mac, &probe, &d);
2474 			if (!lower)
2475 				break;
2476 			if ((probe.i == d.loctl.i) && (probe.q == d.loctl.q))
2477 				break;
2478 			memcpy(&d.loctl, &probe, sizeof(struct bwn_loctl));
2479 			d.nmeasure++;
2480 		} while (d.nmeasure < 24);
2481 		memcpy(loctl, &d.loctl, sizeof(struct bwn_loctl));
2482 
2483 		if (BWN_HAS_LOOPBACK(phy)) {
2484 			if (d.feedth > 0x1194)
2485 				*rxgain -= 6;
2486 			else if (d.feedth < 0x5dc)
2487 				*rxgain += 3;
2488 			if (cnt == 0) {
2489 				if (d.feedth <= 0x5dc) {
2490 					d.multipler = 1;
2491 					cnt++;
2492 				} else
2493 					d.multipler = 2;
2494 			} else if (cnt == 2)
2495 				d.multipler = 1;
2496 		}
2497 		bwn_lo_measure_gain_values(mac, *rxgain, BWN_HAS_LOOPBACK(phy));
2498 	} while (++cnt < repeat);
2499 }
2500 
2501 static struct bwn_lo_calib *
2502 bwn_lo_calibset(struct bwn_mac *mac,
2503     const struct bwn_bbatt *bbatt, const struct bwn_rfatt *rfatt)
2504 {
2505 	struct bwn_phy *phy = &mac->mac_phy;
2506 	struct bwn_phy_g *pg = &phy->phy_g;
2507 	struct bwn_loctl loctl = { 0, 0 };
2508 	struct bwn_lo_calib *cal;
2509 	struct bwn_lo_g_value sval = { 0 };
2510 	int rxgain;
2511 	uint16_t pad, reg, value;
2512 
2513 	sval.old_channel = phy->chan;
2514 	bwn_mac_suspend(mac);
2515 	bwn_lo_save(mac, &sval);
2516 
2517 	reg = bwn_lo_txctl_regtable(mac, &value, &pad);
2518 	BWN_RF_SETMASK(mac, 0x43, 0xfff0, rfatt->att);
2519 	BWN_RF_SETMASK(mac, reg, ~value, (rfatt->padmix ? value :0));
2520 
2521 	rxgain = (rfatt->att * 2) + (bbatt->att / 2);
2522 	if (rfatt->padmix)
2523 		rxgain -= pad;
2524 	if (BWN_HAS_LOOPBACK(phy))
2525 		rxgain += pg->pg_max_lb_gain;
2526 	bwn_lo_measure_gain_values(mac, rxgain, BWN_HAS_LOOPBACK(phy));
2527 	bwn_phy_g_set_bbatt(mac, bbatt->att);
2528 	bwn_lo_probe_sm(mac, &loctl, &rxgain);
2529 
2530 	bwn_lo_restore(mac, &sval);
2531 	bwn_mac_enable(mac);
2532 
2533 	cal = malloc(sizeof(*cal), M_DEVBUF, M_NOWAIT | M_ZERO);
2534 	if (!cal) {
2535 		device_printf(mac->mac_sc->sc_dev, "out of memory\n");
2536 		return (NULL);
2537 	}
2538 	memcpy(&cal->bbatt, bbatt, sizeof(*bbatt));
2539 	memcpy(&cal->rfatt, rfatt, sizeof(*rfatt));
2540 	memcpy(&cal->ctl, &loctl, sizeof(loctl));
2541 
2542 	BWN_GETTIME(cal->calib_time);
2543 
2544 	return (cal);
2545 }
2546 
2547 static struct bwn_lo_calib *
2548 bwn_lo_get_calib(struct bwn_mac *mac, const struct bwn_bbatt *bbatt,
2549     const struct bwn_rfatt *rfatt)
2550 {
2551 	struct bwn_txpwr_loctl *lo = &mac->mac_phy.phy_g.pg_loctl;
2552 	struct bwn_lo_calib *c;
2553 
2554 	TAILQ_FOREACH(c, &lo->calib_list, list) {
2555 		if (!BWN_BBATTCMP(&c->bbatt, bbatt))
2556 			continue;
2557 		if (!BWN_RFATTCMP(&c->rfatt, rfatt))
2558 			continue;
2559 		return (c);
2560 	}
2561 
2562 	c = bwn_lo_calibset(mac, bbatt, rfatt);
2563 	if (!c)
2564 		return (NULL);
2565 	TAILQ_INSERT_TAIL(&lo->calib_list, c, list);
2566 
2567 	return (c);
2568 }
2569 
2570 static void
2571 bwn_phy_g_dc_lookup_init(struct bwn_mac *mac, uint8_t update)
2572 {
2573 	struct bwn_phy *phy = &mac->mac_phy;
2574 	struct bwn_phy_g *pg = &phy->phy_g;
2575 	struct bwn_softc *sc = mac->mac_sc;
2576 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
2577 	const struct bwn_rfatt *rfatt;
2578 	const struct bwn_bbatt *bbatt;
2579 	uint64_t pvector;
2580 	int i;
2581 	int rf_offset, bb_offset;
2582 	uint8_t changed = 0;
2583 
2584 	KASSERT(BWN_DC_LT_SIZE == 32, ("%s:%d: fail", __func__, __LINE__));
2585 	KASSERT(lo->rfatt.len * lo->bbatt.len <= 64,
2586 	    ("%s:%d: fail", __func__, __LINE__));
2587 
2588 	pvector = lo->power_vector;
2589 	if (!update && !pvector)
2590 		return;
2591 
2592 	bwn_mac_suspend(mac);
2593 
2594 	for (i = 0; i < BWN_DC_LT_SIZE * 2; i++) {
2595 		struct bwn_lo_calib *cal;
2596 		int idx;
2597 		uint16_t val;
2598 
2599 		if (!update && !(pvector & (((uint64_t)1ULL) << i)))
2600 			continue;
2601 		bb_offset = i / lo->rfatt.len;
2602 		rf_offset = i % lo->rfatt.len;
2603 		bbatt = &(lo->bbatt.array[bb_offset]);
2604 		rfatt = &(lo->rfatt.array[rf_offset]);
2605 
2606 		cal = bwn_lo_calibset(mac, bbatt, rfatt);
2607 		if (!cal) {
2608 			device_printf(sc->sc_dev, "LO: Could not "
2609 			    "calibrate DC table entry\n");
2610 			continue;
2611 		}
2612 		val = (uint8_t)(cal->ctl.q);
2613 		val |= ((uint8_t)(cal->ctl.i)) << 4;
2614 		free(cal, M_DEVBUF);
2615 
2616 		idx = i / 2;
2617 		if (i % 2)
2618 			lo->dc_lt[idx] = (lo->dc_lt[idx] & 0x00ff)
2619 			    | ((val & 0x00ff) << 8);
2620 		else
2621 			lo->dc_lt[idx] = (lo->dc_lt[idx] & 0xff00)
2622 			    | (val & 0x00ff);
2623 		changed = 1;
2624 	}
2625 	if (changed) {
2626 		for (i = 0; i < BWN_DC_LT_SIZE; i++)
2627 			BWN_PHY_WRITE(mac, 0x3a0 + i, lo->dc_lt[i]);
2628 	}
2629 	bwn_mac_enable(mac);
2630 }
2631 
2632 static void
2633 bwn_lo_fixup_rfatt(struct bwn_rfatt *rf)
2634 {
2635 
2636 	if (!rf->padmix)
2637 		return;
2638 	if ((rf->att != 1) && (rf->att != 2) && (rf->att != 3))
2639 		rf->att = 4;
2640 }
2641 
2642 static void
2643 bwn_lo_g_adjust(struct bwn_mac *mac)
2644 {
2645 	struct bwn_phy_g *pg = &mac->mac_phy.phy_g;
2646 	struct bwn_lo_calib *cal;
2647 	struct bwn_rfatt rf;
2648 
2649 	memcpy(&rf, &pg->pg_rfatt, sizeof(rf));
2650 	bwn_lo_fixup_rfatt(&rf);
2651 
2652 	cal = bwn_lo_get_calib(mac, &pg->pg_bbatt, &rf);
2653 	if (!cal)
2654 		return;
2655 	bwn_lo_write(mac, &cal->ctl);
2656 }
2657 
2658 static void
2659 bwn_lo_g_init(struct bwn_mac *mac)
2660 {
2661 
2662 	if (!bwn_has_hwpctl(mac))
2663 		return;
2664 
2665 	bwn_lo_get_powervector(mac);
2666 	bwn_phy_g_dc_lookup_init(mac, 1);
2667 }
2668 
2669 static int16_t
2670 bwn_nrssi_read(struct bwn_mac *mac, uint16_t offset)
2671 {
2672 
2673 	BWN_PHY_WRITE(mac, BWN_PHY_NRSSI_CTRL, offset);
2674 	return ((int16_t)BWN_PHY_READ(mac, BWN_PHY_NRSSI_DATA));
2675 }
2676 
2677 static void
2678 bwn_nrssi_threshold(struct bwn_mac *mac)
2679 {
2680 	struct bwn_phy *phy = &mac->mac_phy;
2681 	struct bwn_phy_g *pg = &phy->phy_g;
2682 	struct bwn_softc *sc = mac->mac_sc;
2683 	int32_t a, b;
2684 	int16_t tmp16;
2685 	uint16_t tmpu16;
2686 
2687 	KASSERT(phy->type == BWN_PHYTYPE_G, ("%s: fail", __func__));
2688 
2689 	if (phy->gmode && (sc->sc_board_info.board_flags & BHND_BFL_ADCDIV)) {
2690 		if (!pg->pg_aci_wlan_automatic && pg->pg_aci_enable) {
2691 			a = 0x13;
2692 			b = 0x12;
2693 		} else {
2694 			a = 0xe;
2695 			b = 0x11;
2696 		}
2697 
2698 		a = a * (pg->pg_nrssi[1] - pg->pg_nrssi[0]);
2699 		a += (pg->pg_nrssi[0] << 6);
2700 		a += (a < 32) ? 31 : 32;
2701 		a = a >> 6;
2702 		a = MIN(MAX(a, -31), 31);
2703 
2704 		b = b * (pg->pg_nrssi[1] - pg->pg_nrssi[0]);
2705 		b += (pg->pg_nrssi[0] << 6);
2706 		if (b < 32)
2707 			b += 31;
2708 		else
2709 			b += 32;
2710 		b = b >> 6;
2711 		b = MIN(MAX(b, -31), 31);
2712 
2713 		tmpu16 = BWN_PHY_READ(mac, 0x048a) & 0xf000;
2714 		tmpu16 |= ((uint32_t)b & 0x0000003f);
2715 		tmpu16 |= (((uint32_t)a & 0x0000003f) << 6);
2716 		BWN_PHY_WRITE(mac, 0x048a, tmpu16);
2717 		return;
2718 	}
2719 
2720 	tmp16 = bwn_nrssi_read(mac, 0x20);
2721 	if (tmp16 >= 0x20)
2722 		tmp16 -= 0x40;
2723 	BWN_PHY_SETMASK(mac, 0x048a, 0xf000, (tmp16 < 3) ? 0x09eb : 0x0aed);
2724 }
2725 
2726 static void
2727 bwn_nrssi_slope_11g(struct bwn_mac *mac)
2728 {
2729 #define	SAVE_RF_MAX		3
2730 #define	SAVE_PHY_COMM_MAX	4
2731 #define	SAVE_PHY3_MAX		8
2732 	static const uint16_t save_rf_regs[SAVE_RF_MAX] =
2733 		{ 0x7a, 0x52, 0x43 };
2734 	static const uint16_t save_phy_comm_regs[SAVE_PHY_COMM_MAX] =
2735 		{ 0x15, 0x5a, 0x59, 0x58 };
2736 	static const uint16_t save_phy3_regs[SAVE_PHY3_MAX] = {
2737 		0x002e, 0x002f, 0x080f, BWN_PHY_G_LOCTL,
2738 		0x0801, 0x0060, 0x0014, 0x0478
2739 	};
2740 	struct bwn_phy *phy = &mac->mac_phy;
2741 	struct bwn_phy_g *pg = &phy->phy_g;
2742 	int32_t i, tmp32, phy3_idx = 0;
2743 	uint16_t delta, tmp;
2744 	uint16_t save_rf[SAVE_RF_MAX];
2745 	uint16_t save_phy_comm[SAVE_PHY_COMM_MAX];
2746 	uint16_t save_phy3[SAVE_PHY3_MAX];
2747 	uint16_t ant_div, phy0, chan_ex;
2748 	int16_t nrssi0, nrssi1;
2749 
2750 	KASSERT(phy->type == BWN_PHYTYPE_G,
2751 	    ("%s:%d: fail", __func__, __LINE__));
2752 
2753 	if (phy->rf_rev >= 9)
2754 		return;
2755 	if (phy->rf_rev == 8)
2756 		bwn_nrssi_offset(mac);
2757 
2758 	BWN_PHY_MASK(mac, BWN_PHY_G_CRS, 0x7fff);
2759 	BWN_PHY_MASK(mac, 0x0802, 0xfffc);
2760 
2761 	/*
2762 	 * Save RF/PHY registers for later restoration
2763 	 */
2764 	ant_div = BWN_READ_2(mac, 0x03e2);
2765 	BWN_WRITE_2(mac, 0x03e2, BWN_READ_2(mac, 0x03e2) | 0x8000);
2766 	for (i = 0; i < SAVE_RF_MAX; ++i)
2767 		save_rf[i] = BWN_RF_READ(mac, save_rf_regs[i]);
2768 	for (i = 0; i < SAVE_PHY_COMM_MAX; ++i)
2769 		save_phy_comm[i] = BWN_PHY_READ(mac, save_phy_comm_regs[i]);
2770 
2771 	phy0 = BWN_READ_2(mac, BWN_PHY0);
2772 	chan_ex = BWN_READ_2(mac, BWN_CHANNEL_EXT);
2773 	if (phy->rev >= 3) {
2774 		for (i = 0; i < SAVE_PHY3_MAX; ++i)
2775 			save_phy3[i] = BWN_PHY_READ(mac, save_phy3_regs[i]);
2776 		BWN_PHY_WRITE(mac, 0x002e, 0);
2777 		BWN_PHY_WRITE(mac, BWN_PHY_G_LOCTL, 0);
2778 		switch (phy->rev) {
2779 		case 4:
2780 		case 6:
2781 		case 7:
2782 			BWN_PHY_SET(mac, 0x0478, 0x0100);
2783 			BWN_PHY_SET(mac, 0x0801, 0x0040);
2784 			break;
2785 		case 3:
2786 		case 5:
2787 			BWN_PHY_MASK(mac, 0x0801, 0xffbf);
2788 			break;
2789 		}
2790 		BWN_PHY_SET(mac, 0x0060, 0x0040);
2791 		BWN_PHY_SET(mac, 0x0014, 0x0200);
2792 	}
2793 	/*
2794 	 * Calculate nrssi0
2795 	 */
2796 	BWN_RF_SET(mac, 0x007a, 0x0070);
2797 	bwn_set_all_gains(mac, 0, 8, 0);
2798 	BWN_RF_MASK(mac, 0x007a, 0x00f7);
2799 	if (phy->rev >= 2) {
2800 		BWN_PHY_SETMASK(mac, 0x0811, 0xffcf, 0x0030);
2801 		BWN_PHY_SETMASK(mac, 0x0812, 0xffcf, 0x0010);
2802 	}
2803 	BWN_RF_SET(mac, 0x007a, 0x0080);
2804 	DELAY(20);
2805 
2806 	nrssi0 = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
2807 	if (nrssi0 >= 0x0020)
2808 		nrssi0 -= 0x0040;
2809 
2810 	/*
2811 	 * Calculate nrssi1
2812 	 */
2813 	BWN_RF_MASK(mac, 0x007a, 0x007f);
2814 	if (phy->rev >= 2)
2815 		BWN_PHY_SETMASK(mac, 0x0003, 0xff9f, 0x0040);
2816 
2817 	BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
2818 	    BWN_READ_2(mac, BWN_CHANNEL_EXT) | 0x2000);
2819 	BWN_RF_SET(mac, 0x007a, 0x000f);
2820 	BWN_PHY_WRITE(mac, 0x0015, 0xf330);
2821 	if (phy->rev >= 2) {
2822 		BWN_PHY_SETMASK(mac, 0x0812, 0xffcf, 0x0020);
2823 		BWN_PHY_SETMASK(mac, 0x0811, 0xffcf, 0x0020);
2824 	}
2825 
2826 	bwn_set_all_gains(mac, 3, 0, 1);
2827 	if (phy->rf_rev == 8) {
2828 		BWN_RF_WRITE(mac, 0x0043, 0x001f);
2829 	} else {
2830 		tmp = BWN_RF_READ(mac, 0x0052) & 0xff0f;
2831 		BWN_RF_WRITE(mac, 0x0052, tmp | 0x0060);
2832 		tmp = BWN_RF_READ(mac, 0x0043) & 0xfff0;
2833 		BWN_RF_WRITE(mac, 0x0043, tmp | 0x0009);
2834 	}
2835 	BWN_PHY_WRITE(mac, 0x005a, 0x0480);
2836 	BWN_PHY_WRITE(mac, 0x0059, 0x0810);
2837 	BWN_PHY_WRITE(mac, 0x0058, 0x000d);
2838 	DELAY(20);
2839 	nrssi1 = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
2840 
2841 	/*
2842 	 * Install calculated narrow RSSI values
2843 	 */
2844 	if (nrssi1 >= 0x0020)
2845 		nrssi1 -= 0x0040;
2846 	if (nrssi0 == nrssi1)
2847 		pg->pg_nrssi_slope = 0x00010000;
2848 	else
2849 		pg->pg_nrssi_slope = 0x00400000 / (nrssi0 - nrssi1);
2850 	if (nrssi0 >= -4) {
2851 		pg->pg_nrssi[0] = nrssi1;
2852 		pg->pg_nrssi[1] = nrssi0;
2853 	}
2854 
2855 	/*
2856 	 * Restore saved RF/PHY registers
2857 	 */
2858 	if (phy->rev >= 3) {
2859 		for (phy3_idx = 0; phy3_idx < 4; ++phy3_idx) {
2860 			BWN_PHY_WRITE(mac, save_phy3_regs[phy3_idx],
2861 			    save_phy3[phy3_idx]);
2862 		}
2863 	}
2864 	if (phy->rev >= 2) {
2865 		BWN_PHY_MASK(mac, 0x0812, 0xffcf);
2866 		BWN_PHY_MASK(mac, 0x0811, 0xffcf);
2867 	}
2868 
2869 	for (i = 0; i < SAVE_RF_MAX; ++i)
2870 		BWN_RF_WRITE(mac, save_rf_regs[i], save_rf[i]);
2871 
2872 	BWN_WRITE_2(mac, 0x03e2, ant_div);
2873 	BWN_WRITE_2(mac, 0x03e6, phy0);
2874 	BWN_WRITE_2(mac, BWN_CHANNEL_EXT, chan_ex);
2875 
2876 	for (i = 0; i < SAVE_PHY_COMM_MAX; ++i)
2877 		BWN_PHY_WRITE(mac, save_phy_comm_regs[i], save_phy_comm[i]);
2878 
2879 	bwn_spu_workaround(mac, phy->chan);
2880 	BWN_PHY_SET(mac, 0x0802, (0x0001 | 0x0002));
2881 	bwn_set_original_gains(mac);
2882 	BWN_PHY_SET(mac, BWN_PHY_G_CRS, 0x8000);
2883 	if (phy->rev >= 3) {
2884 		for (; phy3_idx < SAVE_PHY3_MAX; ++phy3_idx) {
2885 			BWN_PHY_WRITE(mac, save_phy3_regs[phy3_idx],
2886 			    save_phy3[phy3_idx]);
2887 		}
2888 	}
2889 
2890 	delta = 0x1f - pg->pg_nrssi[0];
2891 	for (i = 0; i < 64; i++) {
2892 		tmp32 = (((i - delta) * pg->pg_nrssi_slope) / 0x10000) + 0x3a;
2893 		tmp32 = MIN(MAX(tmp32, 0), 0x3f);
2894 		pg->pg_nrssi_lt[i] = tmp32;
2895 	}
2896 
2897 	bwn_nrssi_threshold(mac);
2898 #undef SAVE_RF_MAX
2899 #undef SAVE_PHY_COMM_MAX
2900 #undef SAVE_PHY3_MAX
2901 }
2902 
2903 static void
2904 bwn_nrssi_offset(struct bwn_mac *mac)
2905 {
2906 #define	SAVE_RF_MAX		2
2907 #define	SAVE_PHY_COMM_MAX	10
2908 #define	SAVE_PHY6_MAX		8
2909 	static const uint16_t save_rf_regs[SAVE_RF_MAX] =
2910 		{ 0x7a, 0x43 };
2911 	static const uint16_t save_phy_comm_regs[SAVE_PHY_COMM_MAX] = {
2912 		0x0001, 0x0811, 0x0812, 0x0814,
2913 		0x0815, 0x005a, 0x0059, 0x0058,
2914 		0x000a, 0x0003
2915 	};
2916 	static const uint16_t save_phy6_regs[SAVE_PHY6_MAX] = {
2917 		0x002e, 0x002f, 0x080f, 0x0810,
2918 		0x0801, 0x0060, 0x0014, 0x0478
2919 	};
2920 	struct bwn_phy *phy = &mac->mac_phy;
2921 	int i, phy6_idx = 0;
2922 	uint16_t save_rf[SAVE_RF_MAX];
2923 	uint16_t save_phy_comm[SAVE_PHY_COMM_MAX];
2924 	uint16_t save_phy6[SAVE_PHY6_MAX];
2925 	int16_t nrssi;
2926 	uint16_t saved = 0xffff;
2927 
2928 	for (i = 0; i < SAVE_PHY_COMM_MAX; ++i)
2929 		save_phy_comm[i] = BWN_PHY_READ(mac, save_phy_comm_regs[i]);
2930 	for (i = 0; i < SAVE_RF_MAX; ++i)
2931 		save_rf[i] = BWN_RF_READ(mac, save_rf_regs[i]);
2932 
2933 	BWN_PHY_MASK(mac, 0x0429, 0x7fff);
2934 	BWN_PHY_SETMASK(mac, 0x0001, 0x3fff, 0x4000);
2935 	BWN_PHY_SET(mac, 0x0811, 0x000c);
2936 	BWN_PHY_SETMASK(mac, 0x0812, 0xfff3, 0x0004);
2937 	BWN_PHY_MASK(mac, 0x0802, ~(0x1 | 0x2));
2938 	if (phy->rev >= 6) {
2939 		for (i = 0; i < SAVE_PHY6_MAX; ++i)
2940 			save_phy6[i] = BWN_PHY_READ(mac, save_phy6_regs[i]);
2941 
2942 		BWN_PHY_WRITE(mac, 0x002e, 0);
2943 		BWN_PHY_WRITE(mac, 0x002f, 0);
2944 		BWN_PHY_WRITE(mac, 0x080f, 0);
2945 		BWN_PHY_WRITE(mac, 0x0810, 0);
2946 		BWN_PHY_SET(mac, 0x0478, 0x0100);
2947 		BWN_PHY_SET(mac, 0x0801, 0x0040);
2948 		BWN_PHY_SET(mac, 0x0060, 0x0040);
2949 		BWN_PHY_SET(mac, 0x0014, 0x0200);
2950 	}
2951 	BWN_RF_SET(mac, 0x007a, 0x0070);
2952 	BWN_RF_SET(mac, 0x007a, 0x0080);
2953 	DELAY(30);
2954 
2955 	nrssi = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
2956 	if (nrssi >= 0x20)
2957 		nrssi -= 0x40;
2958 	if (nrssi == 31) {
2959 		for (i = 7; i >= 4; i--) {
2960 			BWN_RF_WRITE(mac, 0x007b, i);
2961 			DELAY(20);
2962 			nrssi = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) &
2963 			    0x003f);
2964 			if (nrssi >= 0x20)
2965 				nrssi -= 0x40;
2966 			if (nrssi < 31 && saved == 0xffff)
2967 				saved = i;
2968 		}
2969 		if (saved == 0xffff)
2970 			saved = 4;
2971 	} else {
2972 		BWN_RF_MASK(mac, 0x007a, 0x007f);
2973 		if (phy->rev != 1) {
2974 			BWN_PHY_SET(mac, 0x0814, 0x0001);
2975 			BWN_PHY_MASK(mac, 0x0815, 0xfffe);
2976 		}
2977 		BWN_PHY_SET(mac, 0x0811, 0x000c);
2978 		BWN_PHY_SET(mac, 0x0812, 0x000c);
2979 		BWN_PHY_SET(mac, 0x0811, 0x0030);
2980 		BWN_PHY_SET(mac, 0x0812, 0x0030);
2981 		BWN_PHY_WRITE(mac, 0x005a, 0x0480);
2982 		BWN_PHY_WRITE(mac, 0x0059, 0x0810);
2983 		BWN_PHY_WRITE(mac, 0x0058, 0x000d);
2984 		if (phy->rev == 0)
2985 			BWN_PHY_WRITE(mac, 0x0003, 0x0122);
2986 		else
2987 			BWN_PHY_SET(mac, 0x000a, 0x2000);
2988 		if (phy->rev != 1) {
2989 			BWN_PHY_SET(mac, 0x0814, 0x0004);
2990 			BWN_PHY_MASK(mac, 0x0815, 0xfffb);
2991 		}
2992 		BWN_PHY_SETMASK(mac, 0x0003, 0xff9f, 0x0040);
2993 		BWN_RF_SET(mac, 0x007a, 0x000f);
2994 		bwn_set_all_gains(mac, 3, 0, 1);
2995 		BWN_RF_SETMASK(mac, 0x0043, 0x00f0, 0x000f);
2996 		DELAY(30);
2997 		nrssi = (int16_t) ((BWN_PHY_READ(mac, 0x047f) >> 8) & 0x003f);
2998 		if (nrssi >= 0x20)
2999 			nrssi -= 0x40;
3000 		if (nrssi == -32) {
3001 			for (i = 0; i < 4; i++) {
3002 				BWN_RF_WRITE(mac, 0x007b, i);
3003 				DELAY(20);
3004 				nrssi = (int16_t)((BWN_PHY_READ(mac,
3005 				    0x047f) >> 8) & 0x003f);
3006 				if (nrssi >= 0x20)
3007 					nrssi -= 0x40;
3008 				if (nrssi > -31 && saved == 0xffff)
3009 					saved = i;
3010 			}
3011 			if (saved == 0xffff)
3012 				saved = 3;
3013 		} else
3014 			saved = 0;
3015 	}
3016 	BWN_RF_WRITE(mac, 0x007b, saved);
3017 
3018 	/*
3019 	 * Restore saved RF/PHY registers
3020 	 */
3021 	if (phy->rev >= 6) {
3022 		for (phy6_idx = 0; phy6_idx < 4; ++phy6_idx) {
3023 			BWN_PHY_WRITE(mac, save_phy6_regs[phy6_idx],
3024 			    save_phy6[phy6_idx]);
3025 		}
3026 	}
3027 	if (phy->rev != 1) {
3028 		for (i = 3; i < 5; i++)
3029 			BWN_PHY_WRITE(mac, save_phy_comm_regs[i],
3030 			    save_phy_comm[i]);
3031 	}
3032 	for (i = 5; i < SAVE_PHY_COMM_MAX; i++)
3033 		BWN_PHY_WRITE(mac, save_phy_comm_regs[i], save_phy_comm[i]);
3034 
3035 	for (i = SAVE_RF_MAX - 1; i >= 0; --i)
3036 		BWN_RF_WRITE(mac, save_rf_regs[i], save_rf[i]);
3037 
3038 	BWN_PHY_WRITE(mac, 0x0802, BWN_PHY_READ(mac, 0x0802) | 0x1 | 0x2);
3039 	BWN_PHY_SET(mac, 0x0429, 0x8000);
3040 	bwn_set_original_gains(mac);
3041 	if (phy->rev >= 6) {
3042 		for (; phy6_idx < SAVE_PHY6_MAX; ++phy6_idx) {
3043 			BWN_PHY_WRITE(mac, save_phy6_regs[phy6_idx],
3044 			    save_phy6[phy6_idx]);
3045 		}
3046 	}
3047 
3048 	BWN_PHY_WRITE(mac, save_phy_comm_regs[0], save_phy_comm[0]);
3049 	BWN_PHY_WRITE(mac, save_phy_comm_regs[2], save_phy_comm[2]);
3050 	BWN_PHY_WRITE(mac, save_phy_comm_regs[1], save_phy_comm[1]);
3051 }
3052 
3053 static void
3054 bwn_set_all_gains(struct bwn_mac *mac, int16_t first, int16_t second,
3055     int16_t third)
3056 {
3057 	struct bwn_phy *phy = &mac->mac_phy;
3058 	uint16_t i;
3059 	uint16_t start = 0x08, end = 0x18;
3060 	uint16_t tmp;
3061 	uint16_t table;
3062 
3063 	if (phy->rev <= 1) {
3064 		start = 0x10;
3065 		end = 0x20;
3066 	}
3067 
3068 	table = BWN_OFDMTAB_GAINX;
3069 	if (phy->rev <= 1)
3070 		table = BWN_OFDMTAB_GAINX_R1;
3071 	for (i = 0; i < 4; i++)
3072 		bwn_ofdmtab_write_2(mac, table, i, first);
3073 
3074 	for (i = start; i < end; i++)
3075 		bwn_ofdmtab_write_2(mac, table, i, second);
3076 
3077 	if (third != -1) {
3078 		tmp = ((uint16_t) third << 14) | ((uint16_t) third << 6);
3079 		BWN_PHY_SETMASK(mac, 0x04a0, 0xbfbf, tmp);
3080 		BWN_PHY_SETMASK(mac, 0x04a1, 0xbfbf, tmp);
3081 		BWN_PHY_SETMASK(mac, 0x04a2, 0xbfbf, tmp);
3082 	}
3083 	bwn_dummy_transmission(mac, 0, 1);
3084 }
3085 
3086 static void
3087 bwn_set_original_gains(struct bwn_mac *mac)
3088 {
3089 	struct bwn_phy *phy = &mac->mac_phy;
3090 	uint16_t i, tmp;
3091 	uint16_t table;
3092 	uint16_t start = 0x0008, end = 0x0018;
3093 
3094 	if (phy->rev <= 1) {
3095 		start = 0x0010;
3096 		end = 0x0020;
3097 	}
3098 
3099 	table = BWN_OFDMTAB_GAINX;
3100 	if (phy->rev <= 1)
3101 		table = BWN_OFDMTAB_GAINX_R1;
3102 	for (i = 0; i < 4; i++) {
3103 		tmp = (i & 0xfffc);
3104 		tmp |= (i & 0x0001) << 1;
3105 		tmp |= (i & 0x0002) >> 1;
3106 
3107 		bwn_ofdmtab_write_2(mac, table, i, tmp);
3108 	}
3109 
3110 	for (i = start; i < end; i++)
3111 		bwn_ofdmtab_write_2(mac, table, i, i - start);
3112 
3113 	BWN_PHY_SETMASK(mac, 0x04a0, 0xbfbf, 0x4040);
3114 	BWN_PHY_SETMASK(mac, 0x04a1, 0xbfbf, 0x4040);
3115 	BWN_PHY_SETMASK(mac, 0x04a2, 0xbfbf, 0x4000);
3116 	bwn_dummy_transmission(mac, 0, 1);
3117 }
3118 
3119 static void
3120 bwn_phy_hwpctl_init(struct bwn_mac *mac)
3121 {
3122 	struct bwn_phy *phy = &mac->mac_phy;
3123 	struct bwn_phy_g *pg = &phy->phy_g;
3124 	struct bwn_rfatt old_rfatt, rfatt;
3125 	struct bwn_bbatt old_bbatt, bbatt;
3126 	struct bwn_softc *sc = mac->mac_sc;
3127 	uint8_t old_txctl = 0;
3128 
3129 	KASSERT(phy->type == BWN_PHYTYPE_G,
3130 	    ("%s:%d: fail", __func__, __LINE__));
3131 
3132 	if ((sc->sc_board_info.board_vendor == PCI_VENDOR_BROADCOM) &&
3133 	    (sc->sc_board_info.board_type == BHND_BOARD_BU4306))
3134 		return;
3135 
3136 	BWN_PHY_WRITE(mac, 0x0028, 0x8018);
3137 
3138 	BWN_WRITE_2(mac, BWN_PHY0, BWN_READ_2(mac, BWN_PHY0) & 0xffdf);
3139 
3140 	if (!phy->gmode)
3141 		return;
3142 	bwn_hwpctl_early_init(mac);
3143 	if (pg->pg_curtssi == 0) {
3144 		if (phy->rf_ver == 0x2050 && phy->analog == 0) {
3145 			BWN_RF_SETMASK(mac, 0x0076, 0x00f7, 0x0084);
3146 		} else {
3147 			memcpy(&old_rfatt, &pg->pg_rfatt, sizeof(old_rfatt));
3148 			memcpy(&old_bbatt, &pg->pg_bbatt, sizeof(old_bbatt));
3149 			old_txctl = pg->pg_txctl;
3150 
3151 			bbatt.att = 11;
3152 			if (phy->rf_rev == 8) {
3153 				rfatt.att = 15;
3154 				rfatt.padmix = 1;
3155 			} else {
3156 				rfatt.att = 9;
3157 				rfatt.padmix = 0;
3158 			}
3159 			bwn_phy_g_set_txpwr_sub(mac, &bbatt, &rfatt, 0);
3160 		}
3161 		bwn_dummy_transmission(mac, 0, 1);
3162 		pg->pg_curtssi = BWN_PHY_READ(mac, BWN_PHY_TSSI);
3163 		if (phy->rf_ver == 0x2050 && phy->analog == 0)
3164 			BWN_RF_MASK(mac, 0x0076, 0xff7b);
3165 		else
3166 			bwn_phy_g_set_txpwr_sub(mac, &old_bbatt,
3167 			    &old_rfatt, old_txctl);
3168 	}
3169 	bwn_hwpctl_init_gphy(mac);
3170 
3171 	/* clear TSSI */
3172 	bwn_shm_write_2(mac, BWN_SHARED, 0x0058, 0x7f7f);
3173 	bwn_shm_write_2(mac, BWN_SHARED, 0x005a, 0x7f7f);
3174 	bwn_shm_write_2(mac, BWN_SHARED, 0x0070, 0x7f7f);
3175 	bwn_shm_write_2(mac, BWN_SHARED, 0x0072, 0x7f7f);
3176 }
3177 
3178 static void
3179 bwn_hwpctl_early_init(struct bwn_mac *mac)
3180 {
3181 	struct bwn_phy *phy = &mac->mac_phy;
3182 
3183 	if (!bwn_has_hwpctl(mac)) {
3184 		BWN_PHY_WRITE(mac, 0x047a, 0xc111);
3185 		return;
3186 	}
3187 
3188 	BWN_PHY_MASK(mac, 0x0036, 0xfeff);
3189 	BWN_PHY_WRITE(mac, 0x002f, 0x0202);
3190 	BWN_PHY_SET(mac, 0x047c, 0x0002);
3191 	BWN_PHY_SET(mac, 0x047a, 0xf000);
3192 	if (phy->rf_ver == 0x2050 && phy->rf_rev == 8) {
3193 		BWN_PHY_SETMASK(mac, 0x047a, 0xff0f, 0x0010);
3194 		BWN_PHY_SET(mac, 0x005d, 0x8000);
3195 		BWN_PHY_SETMASK(mac, 0x004e, 0xffc0, 0x0010);
3196 		BWN_PHY_WRITE(mac, 0x002e, 0xc07f);
3197 		BWN_PHY_SET(mac, 0x0036, 0x0400);
3198 	} else {
3199 		BWN_PHY_SET(mac, 0x0036, 0x0200);
3200 		BWN_PHY_SET(mac, 0x0036, 0x0400);
3201 		BWN_PHY_MASK(mac, 0x005d, 0x7fff);
3202 		BWN_PHY_MASK(mac, 0x004f, 0xfffe);
3203 		BWN_PHY_SETMASK(mac, 0x004e, 0xffc0, 0x0010);
3204 		BWN_PHY_WRITE(mac, 0x002e, 0xc07f);
3205 		BWN_PHY_SETMASK(mac, 0x047a, 0xff0f, 0x0010);
3206 	}
3207 }
3208 
3209 static void
3210 bwn_hwpctl_init_gphy(struct bwn_mac *mac)
3211 {
3212 	struct bwn_phy *phy = &mac->mac_phy;
3213 	struct bwn_phy_g *pg = &phy->phy_g;
3214 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
3215 	int i;
3216 	uint16_t nr_written = 0, tmp, value;
3217 	uint8_t rf, bb;
3218 
3219 	if (!bwn_has_hwpctl(mac)) {
3220 		bwn_hf_write(mac, bwn_hf_read(mac) & ~BWN_HF_HW_POWERCTL);
3221 		return;
3222 	}
3223 
3224 	BWN_PHY_SETMASK(mac, 0x0036, 0xffc0,
3225 	    (pg->pg_idletssi - pg->pg_curtssi));
3226 	BWN_PHY_SETMASK(mac, 0x0478, 0xff00,
3227 	    (pg->pg_idletssi - pg->pg_curtssi));
3228 
3229 	for (i = 0; i < 32; i++)
3230 		bwn_ofdmtab_write_2(mac, 0x3c20, i, pg->pg_tssi2dbm[i]);
3231 	for (i = 32; i < 64; i++)
3232 		bwn_ofdmtab_write_2(mac, 0x3c00, i - 32, pg->pg_tssi2dbm[i]);
3233 	for (i = 0; i < 64; i += 2) {
3234 		value = (uint16_t) pg->pg_tssi2dbm[i];
3235 		value |= ((uint16_t) pg->pg_tssi2dbm[i + 1]) << 8;
3236 		BWN_PHY_WRITE(mac, 0x380 + (i / 2), value);
3237 	}
3238 
3239 	for (rf = 0; rf < lo->rfatt.len; rf++) {
3240 		for (bb = 0; bb < lo->bbatt.len; bb++) {
3241 			if (nr_written >= 0x40)
3242 				return;
3243 			tmp = lo->bbatt.array[bb].att;
3244 			tmp <<= 8;
3245 			if (phy->rf_rev == 8)
3246 				tmp |= 0x50;
3247 			else
3248 				tmp |= 0x40;
3249 			tmp |= lo->rfatt.array[rf].att;
3250 			BWN_PHY_WRITE(mac, 0x3c0 + nr_written, tmp);
3251 			nr_written++;
3252 		}
3253 	}
3254 
3255 	BWN_PHY_MASK(mac, 0x0060, 0xffbf);
3256 	BWN_PHY_WRITE(mac, 0x0014, 0x0000);
3257 
3258 	KASSERT(phy->rev >= 6, ("%s:%d: fail", __func__, __LINE__));
3259 	BWN_PHY_SET(mac, 0x0478, 0x0800);
3260 	BWN_PHY_MASK(mac, 0x0478, 0xfeff);
3261 	BWN_PHY_MASK(mac, 0x0801, 0xffbf);
3262 
3263 	bwn_phy_g_dc_lookup_init(mac, 1);
3264 	bwn_hf_write(mac, bwn_hf_read(mac) | BWN_HF_HW_POWERCTL);
3265 }
3266 
3267 static void
3268 bwn_phy_g_switch_chan(struct bwn_mac *mac, int channel, uint8_t spu)
3269 {
3270 	struct bwn_softc	*sc = mac->mac_sc;
3271 	int			 error;
3272 
3273 	if (spu != 0)
3274 		bwn_spu_workaround(mac, channel);
3275 
3276 	BWN_WRITE_2(mac, BWN_CHANNEL, bwn_phy_g_chan2freq(channel));
3277 
3278 	if (channel == 14) {
3279 		uint8_t cc;
3280 
3281 		error = bhnd_nvram_getvar_uint8(sc->sc_dev, BHND_NVAR_CC, &cc);
3282 		if (error) {
3283 			device_printf(sc->sc_dev, "error reading country code "
3284 			    "from NVRAM, assuming channel 14 unavailable: %d\n",
3285 			    error);
3286 			cc = BWN_SPROM1_CC_WORLDWIDE;
3287 		}
3288 
3289 		if (cc == BWN_SPROM1_CC_JP)
3290 			bwn_hf_write(mac,
3291 			    bwn_hf_read(mac) & ~BWN_HF_JAPAN_CHAN14_OFF);
3292 		else
3293 			bwn_hf_write(mac,
3294 			    bwn_hf_read(mac) | BWN_HF_JAPAN_CHAN14_OFF);
3295 		BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
3296 		    BWN_READ_2(mac, BWN_CHANNEL_EXT) | (1 << 11));
3297 		return;
3298 	}
3299 
3300 	BWN_WRITE_2(mac, BWN_CHANNEL_EXT,
3301 	    BWN_READ_2(mac, BWN_CHANNEL_EXT) & 0xf7bf);
3302 }
3303 
3304 static uint16_t
3305 bwn_phy_g_chan2freq(uint8_t channel)
3306 {
3307 	static const uint8_t bwn_phy_g_rf_channels[] = BWN_PHY_G_RF_CHANNELS;
3308 
3309 	KASSERT(channel >= 1 && channel <= 14,
3310 	    ("%s:%d: fail", __func__, __LINE__));
3311 
3312 	return (bwn_phy_g_rf_channels[channel - 1]);
3313 }
3314 
3315 static void
3316 bwn_phy_g_set_txpwr_sub(struct bwn_mac *mac, const struct bwn_bbatt *bbatt,
3317     const struct bwn_rfatt *rfatt, uint8_t txctl)
3318 {
3319 	struct bwn_phy *phy = &mac->mac_phy;
3320 	struct bwn_phy_g *pg = &phy->phy_g;
3321 	struct bwn_txpwr_loctl *lo = &pg->pg_loctl;
3322 	uint16_t bb, rf;
3323 	uint16_t tx_bias, tx_magn;
3324 
3325 	bb = bbatt->att;
3326 	rf = rfatt->att;
3327 	tx_bias = lo->tx_bias;
3328 	tx_magn = lo->tx_magn;
3329 	if (tx_bias == 0xff)
3330 		tx_bias = 0;
3331 
3332 	pg->pg_txctl = txctl;
3333 	memmove(&pg->pg_rfatt, rfatt, sizeof(*rfatt));
3334 	pg->pg_rfatt.padmix = (txctl & BWN_TXCTL_TXMIX) ? 1 : 0;
3335 	memmove(&pg->pg_bbatt, bbatt, sizeof(*bbatt));
3336 	bwn_phy_g_set_bbatt(mac, bb);
3337 	bwn_shm_write_2(mac, BWN_SHARED, BWN_SHARED_RADIO_ATT, rf);
3338 	if (phy->rf_ver == 0x2050 && phy->rf_rev == 8)
3339 		BWN_RF_WRITE(mac, 0x43, (rf & 0x000f) | (txctl & 0x0070));
3340 	else {
3341 		BWN_RF_SETMASK(mac, 0x43, 0xfff0, (rf & 0x000f));
3342 		BWN_RF_SETMASK(mac, 0x52, ~0x0070, (txctl & 0x0070));
3343 	}
3344 	if (BWN_HAS_TXMAG(phy))
3345 		BWN_RF_WRITE(mac, 0x52, tx_magn | tx_bias);
3346 	else
3347 		BWN_RF_SETMASK(mac, 0x52, 0xfff0, (tx_bias & 0x000f));
3348 	bwn_lo_g_adjust(mac);
3349 }
3350 
3351 static void
3352 bwn_phy_g_set_bbatt(struct bwn_mac *mac,
3353     uint16_t bbatt)
3354 {
3355 	struct bwn_phy *phy = &mac->mac_phy;
3356 
3357 	if (phy->analog == 0) {
3358 		BWN_WRITE_2(mac, BWN_PHY0,
3359 		    (BWN_READ_2(mac, BWN_PHY0) & 0xfff0) | bbatt);
3360 		return;
3361 	}
3362 	if (phy->analog > 1) {
3363 		BWN_PHY_SETMASK(mac, BWN_PHY_DACCTL, 0xffc3, bbatt << 2);
3364 		return;
3365 	}
3366 	BWN_PHY_SETMASK(mac, BWN_PHY_DACCTL, 0xff87, bbatt << 3);
3367 }
3368 
3369 static uint16_t
3370 bwn_rf_2050_rfoverval(struct bwn_mac *mac, uint16_t reg, uint32_t lpd)
3371 {
3372 	struct bwn_phy *phy = &mac->mac_phy;
3373 	struct bwn_phy_g *pg = &phy->phy_g;
3374 	struct bwn_softc *sc = mac->mac_sc;
3375 	int max_lb_gain;
3376 	uint16_t extlna;
3377 	uint16_t i;
3378 
3379 	if (phy->gmode == 0)
3380 		return (0);
3381 
3382 	if (BWN_HAS_LOOPBACK(phy)) {
3383 		max_lb_gain = pg->pg_max_lb_gain;
3384 		max_lb_gain += (phy->rf_rev == 8) ? 0x3e : 0x26;
3385 		if (max_lb_gain >= 0x46) {
3386 			extlna = 0x3000;
3387 			max_lb_gain -= 0x46;
3388 		} else if (max_lb_gain >= 0x3a) {
3389 			extlna = 0x1000;
3390 			max_lb_gain -= 0x3a;
3391 		} else if (max_lb_gain >= 0x2e) {
3392 			extlna = 0x2000;
3393 			max_lb_gain -= 0x2e;
3394 		} else {
3395 			extlna = 0;
3396 			max_lb_gain -= 0x10;
3397 		}
3398 
3399 		for (i = 0; i < 16; i++) {
3400 			max_lb_gain -= (i * 6);
3401 			if (max_lb_gain < 6)
3402 				break;
3403 		}
3404 
3405 		if ((phy->rev < 7) ||
3406 		    !(sc->sc_board_info.board_flags & BHND_BFL_EXTLNA)) {
3407 			if (reg == BWN_PHY_RFOVER) {
3408 				return (0x1b3);
3409 			} else if (reg == BWN_PHY_RFOVERVAL) {
3410 				extlna |= (i << 8);
3411 				switch (lpd) {
3412 				case BWN_LPD(0, 1, 1):
3413 					return (0x0f92);
3414 				case BWN_LPD(0, 0, 1):
3415 				case BWN_LPD(1, 0, 1):
3416 					return (0x0092 | extlna);
3417 				case BWN_LPD(1, 0, 0):
3418 					return (0x0093 | extlna);
3419 				}
3420 				KASSERT(0 == 1,
3421 				    ("%s:%d: fail", __func__, __LINE__));
3422 			}
3423 			KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
3424 		} else {
3425 			if (reg == BWN_PHY_RFOVER)
3426 				return (0x9b3);
3427 			if (reg == BWN_PHY_RFOVERVAL) {
3428 				if (extlna)
3429 					extlna |= 0x8000;
3430 				extlna |= (i << 8);
3431 				switch (lpd) {
3432 				case BWN_LPD(0, 1, 1):
3433 					return (0x8f92);
3434 				case BWN_LPD(0, 0, 1):
3435 					return (0x8092 | extlna);
3436 				case BWN_LPD(1, 0, 1):
3437 					return (0x2092 | extlna);
3438 				case BWN_LPD(1, 0, 0):
3439 					return (0x2093 | extlna);
3440 				}
3441 				KASSERT(0 == 1,
3442 				    ("%s:%d: fail", __func__, __LINE__));
3443 			}
3444 			KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
3445 		}
3446 		return (0);
3447 	}
3448 
3449 	if ((phy->rev < 7) ||
3450 	    !(sc->sc_board_info.board_flags & BHND_BFL_EXTLNA)) {
3451 		if (reg == BWN_PHY_RFOVER) {
3452 			return (0x1b3);
3453 		} else if (reg == BWN_PHY_RFOVERVAL) {
3454 			switch (lpd) {
3455 			case BWN_LPD(0, 1, 1):
3456 				return (0x0fb2);
3457 			case BWN_LPD(0, 0, 1):
3458 				return (0x00b2);
3459 			case BWN_LPD(1, 0, 1):
3460 				return (0x30b2);
3461 			case BWN_LPD(1, 0, 0):
3462 				return (0x30b3);
3463 			}
3464 			KASSERT(0 == 1,
3465 			    ("%s:%d: fail", __func__, __LINE__));
3466 		}
3467 		KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
3468 	} else {
3469 		if (reg == BWN_PHY_RFOVER) {
3470 			return (0x9b3);
3471 		} else if (reg == BWN_PHY_RFOVERVAL) {
3472 			switch (lpd) {
3473 			case BWN_LPD(0, 1, 1):
3474 				return (0x8fb2);
3475 			case BWN_LPD(0, 0, 1):
3476 				return (0x80b2);
3477 			case BWN_LPD(1, 0, 1):
3478 				return (0x20b2);
3479 			case BWN_LPD(1, 0, 0):
3480 				return (0x20b3);
3481 			}
3482 			KASSERT(0 == 1,
3483 			    ("%s:%d: fail", __func__, __LINE__));
3484 		}
3485 		KASSERT(0 == 1, ("%s:%d: fail", __func__, __LINE__));
3486 	}
3487 	return (0);
3488 }
3489 
3490 static void
3491 bwn_spu_workaround(struct bwn_mac *mac, uint8_t channel)
3492 {
3493 
3494 	if (mac->mac_phy.rf_ver != 0x2050 || mac->mac_phy.rf_rev >= 6)
3495 		return;
3496 	BWN_WRITE_2(mac, BWN_CHANNEL, (channel <= 10) ?
3497 	    bwn_phy_g_chan2freq(channel + 4) : bwn_phy_g_chan2freq(1));
3498 	DELAY(1000);
3499 	BWN_WRITE_2(mac, BWN_CHANNEL, bwn_phy_g_chan2freq(channel));
3500 }
3501 
3502 static int
3503 bwn_phy_shm_tssi_read(struct bwn_mac *mac, uint16_t shm_offset)
3504 {
3505 	const uint8_t ofdm = (shm_offset != BWN_SHARED_TSSI_CCK);
3506 	unsigned int a, b, c, d;
3507 	unsigned int avg;
3508 	uint32_t tmp;
3509 
3510 	tmp = bwn_shm_read_4(mac, BWN_SHARED, shm_offset);
3511 	a = tmp & 0xff;
3512 	b = (tmp >> 8) & 0xff;
3513 	c = (tmp >> 16) & 0xff;
3514 	d = (tmp >> 24) & 0xff;
3515 	if (a == 0 || a == BWN_TSSI_MAX || b == 0 || b == BWN_TSSI_MAX ||
3516 	    c == 0 || c == BWN_TSSI_MAX || d == 0 || d == BWN_TSSI_MAX)
3517 		return (ENOENT);
3518 	bwn_shm_write_4(mac, BWN_SHARED, shm_offset,
3519 	    BWN_TSSI_MAX | (BWN_TSSI_MAX << 8) |
3520 	    (BWN_TSSI_MAX << 16) | (BWN_TSSI_MAX << 24));
3521 
3522 	if (ofdm) {
3523 		a = (a + 32) & 0x3f;
3524 		b = (b + 32) & 0x3f;
3525 		c = (c + 32) & 0x3f;
3526 		d = (d + 32) & 0x3f;
3527 	}
3528 
3529 	avg = (a + b + c + d + 2) / 4;
3530 	if (ofdm) {
3531 		if (bwn_shm_read_2(mac, BWN_SHARED, BWN_SHARED_HFLO)
3532 		    & BWN_HF_4DB_CCK_POWERBOOST)
3533 			avg = (avg >= 13) ? (avg - 13) : 0;
3534 	}
3535 	return (avg);
3536 }
3537 
3538 static void
3539 bwn_phy_g_setatt(struct bwn_mac *mac, int *bbattp, int *rfattp)
3540 {
3541 	struct bwn_txpwr_loctl *lo = &mac->mac_phy.phy_g.pg_loctl;
3542 	int rfatt = *rfattp;
3543 	int bbatt = *bbattp;
3544 
3545 	while (1) {
3546 		if (rfatt > lo->rfatt.max && bbatt > lo->bbatt.max - 4)
3547 			break;
3548 		if (rfatt < lo->rfatt.min && bbatt < lo->bbatt.min + 4)
3549 			break;
3550 		if (bbatt > lo->bbatt.max && rfatt > lo->rfatt.max - 1)
3551 			break;
3552 		if (bbatt < lo->bbatt.min && rfatt < lo->rfatt.min + 1)
3553 			break;
3554 		if (bbatt > lo->bbatt.max) {
3555 			bbatt -= 4;
3556 			rfatt += 1;
3557 			continue;
3558 		}
3559 		if (bbatt < lo->bbatt.min) {
3560 			bbatt += 4;
3561 			rfatt -= 1;
3562 			continue;
3563 		}
3564 		if (rfatt > lo->rfatt.max) {
3565 			rfatt -= 1;
3566 			bbatt += 4;
3567 			continue;
3568 		}
3569 		if (rfatt < lo->rfatt.min) {
3570 			rfatt += 1;
3571 			bbatt -= 4;
3572 			continue;
3573 		}
3574 		break;
3575 	}
3576 
3577 	*rfattp = MIN(MAX(rfatt, lo->rfatt.min), lo->rfatt.max);
3578 	*bbattp = MIN(MAX(bbatt, lo->bbatt.min), lo->bbatt.max);
3579 }
3580 
3581 static void
3582 bwn_phy_lock(struct bwn_mac *mac)
3583 {
3584 	struct bwn_softc *sc = mac->mac_sc;
3585 	struct ieee80211com *ic = &sc->sc_ic;
3586 
3587 	KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 3,
3588 	    ("%s: unsupported rev %d", __func__, bhnd_get_hwrev(sc->sc_dev)));
3589 
3590 	if (ic->ic_opmode != IEEE80211_M_HOSTAP)
3591 		bwn_psctl(mac, BWN_PS_AWAKE);
3592 }
3593 
3594 static void
3595 bwn_phy_unlock(struct bwn_mac *mac)
3596 {
3597 	struct bwn_softc *sc = mac->mac_sc;
3598 	struct ieee80211com *ic = &sc->sc_ic;
3599 
3600 	KASSERT(bhnd_get_hwrev(sc->sc_dev) >= 3,
3601 	    ("%s: unsupported rev %d", __func__, bhnd_get_hwrev(sc->sc_dev)));
3602 
3603 	if (ic->ic_opmode != IEEE80211_M_HOSTAP)
3604 		bwn_psctl(mac, 0);
3605 }
3606 
3607 static void
3608 bwn_rf_lock(struct bwn_mac *mac)
3609 {
3610 
3611 	BWN_WRITE_4(mac, BWN_MACCTL,
3612 	    BWN_READ_4(mac, BWN_MACCTL) | BWN_MACCTL_RADIO_LOCK);
3613 	BWN_READ_4(mac, BWN_MACCTL);
3614 	DELAY(10);
3615 }
3616 
3617 static void
3618 bwn_rf_unlock(struct bwn_mac *mac)
3619 {
3620 
3621 	BWN_READ_2(mac, BWN_PHYVER);
3622 	BWN_WRITE_4(mac, BWN_MACCTL,
3623 	    BWN_READ_4(mac, BWN_MACCTL) & ~BWN_MACCTL_RADIO_LOCK);
3624 }
3625