/drivers/net/wireless/b43/phy_g.c
C | 3057 lines | 2614 code | 324 blank | 119 comment | 608 complexity | c3566ffd5deb78ee6c2f29f121c52936 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
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1/*
2
3 Broadcom B43 wireless driver
4 IEEE 802.11g PHY driver
5
6 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
7 Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it>
8 Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de>
9 Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
10 Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
11
12 This program is free software; you can redistribute it and/or modify
13 it under the terms of the GNU General Public License as published by
14 the Free Software Foundation; either version 2 of the License, or
15 (at your option) any later version.
16
17 This program is distributed in the hope that it will be useful,
18 but WITHOUT ANY WARRANTY; without even the implied warranty of
19 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
20 GNU General Public License for more details.
21
22 You should have received a copy of the GNU General Public License
23 along with this program; see the file COPYING. If not, write to
24 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
25 Boston, MA 02110-1301, USA.
26
27*/
28
29#include "b43.h"
30#include "phy_g.h"
31#include "phy_common.h"
32#include "lo.h"
33#include "main.h"
34
35#include <linux/bitrev.h>
36#include <linux/slab.h>
37
38
39static const s8 b43_tssi2dbm_g_table[] = {
40 77, 77, 77, 76,
41 76, 76, 75, 75,
42 74, 74, 73, 73,
43 73, 72, 72, 71,
44 71, 70, 70, 69,
45 68, 68, 67, 67,
46 66, 65, 65, 64,
47 63, 63, 62, 61,
48 60, 59, 58, 57,
49 56, 55, 54, 53,
50 52, 50, 49, 47,
51 45, 43, 40, 37,
52 33, 28, 22, 14,
53 5, -7, -20, -20,
54 -20, -20, -20, -20,
55 -20, -20, -20, -20,
56};
57
58static const u8 b43_radio_channel_codes_bg[] = {
59 12, 17, 22, 27,
60 32, 37, 42, 47,
61 52, 57, 62, 67,
62 72, 84,
63};
64
65
66static void b43_calc_nrssi_threshold(struct b43_wldev *dev);
67
68
69#define bitrev4(tmp) (bitrev8(tmp) >> 4)
70
71
72/* Get the freq, as it has to be written to the device. */
73static inline u16 channel2freq_bg(u8 channel)
74{
75 B43_WARN_ON(!(channel >= 1 && channel <= 14));
76
77 return b43_radio_channel_codes_bg[channel - 1];
78}
79
80static void generate_rfatt_list(struct b43_wldev *dev,
81 struct b43_rfatt_list *list)
82{
83 struct b43_phy *phy = &dev->phy;
84
85 /* APHY.rev < 5 || GPHY.rev < 6 */
86 static const struct b43_rfatt rfatt_0[] = {
87 {.att = 3,.with_padmix = 0,},
88 {.att = 1,.with_padmix = 0,},
89 {.att = 5,.with_padmix = 0,},
90 {.att = 7,.with_padmix = 0,},
91 {.att = 9,.with_padmix = 0,},
92 {.att = 2,.with_padmix = 0,},
93 {.att = 0,.with_padmix = 0,},
94 {.att = 4,.with_padmix = 0,},
95 {.att = 6,.with_padmix = 0,},
96 {.att = 8,.with_padmix = 0,},
97 {.att = 1,.with_padmix = 1,},
98 {.att = 2,.with_padmix = 1,},
99 {.att = 3,.with_padmix = 1,},
100 {.att = 4,.with_padmix = 1,},
101 };
102 /* Radio.rev == 8 && Radio.version == 0x2050 */
103 static const struct b43_rfatt rfatt_1[] = {
104 {.att = 2,.with_padmix = 1,},
105 {.att = 4,.with_padmix = 1,},
106 {.att = 6,.with_padmix = 1,},
107 {.att = 8,.with_padmix = 1,},
108 {.att = 10,.with_padmix = 1,},
109 {.att = 12,.with_padmix = 1,},
110 {.att = 14,.with_padmix = 1,},
111 };
112 /* Otherwise */
113 static const struct b43_rfatt rfatt_2[] = {
114 {.att = 0,.with_padmix = 1,},
115 {.att = 2,.with_padmix = 1,},
116 {.att = 4,.with_padmix = 1,},
117 {.att = 6,.with_padmix = 1,},
118 {.att = 8,.with_padmix = 1,},
119 {.att = 9,.with_padmix = 1,},
120 {.att = 9,.with_padmix = 1,},
121 };
122
123 if (!b43_has_hardware_pctl(dev)) {
124 /* Software pctl */
125 list->list = rfatt_0;
126 list->len = ARRAY_SIZE(rfatt_0);
127 list->min_val = 0;
128 list->max_val = 9;
129 return;
130 }
131 if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
132 /* Hardware pctl */
133 list->list = rfatt_1;
134 list->len = ARRAY_SIZE(rfatt_1);
135 list->min_val = 0;
136 list->max_val = 14;
137 return;
138 }
139 /* Hardware pctl */
140 list->list = rfatt_2;
141 list->len = ARRAY_SIZE(rfatt_2);
142 list->min_val = 0;
143 list->max_val = 9;
144}
145
146static void generate_bbatt_list(struct b43_wldev *dev,
147 struct b43_bbatt_list *list)
148{
149 static const struct b43_bbatt bbatt_0[] = {
150 {.att = 0,},
151 {.att = 1,},
152 {.att = 2,},
153 {.att = 3,},
154 {.att = 4,},
155 {.att = 5,},
156 {.att = 6,},
157 {.att = 7,},
158 {.att = 8,},
159 };
160
161 list->list = bbatt_0;
162 list->len = ARRAY_SIZE(bbatt_0);
163 list->min_val = 0;
164 list->max_val = 8;
165}
166
167static void b43_shm_clear_tssi(struct b43_wldev *dev)
168{
169 b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F);
170 b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F);
171 b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F);
172 b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F);
173}
174
175/* Synthetic PU workaround */
176static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel)
177{
178 struct b43_phy *phy = &dev->phy;
179
180 might_sleep();
181
182 if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
183 /* We do not need the workaround. */
184 return;
185 }
186
187 if (channel <= 10) {
188 b43_write16(dev, B43_MMIO_CHANNEL,
189 channel2freq_bg(channel + 4));
190 } else {
191 b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
192 }
193 msleep(1);
194 b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
195}
196
197/* Set the baseband attenuation value on chip. */
198void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev,
199 u16 baseband_attenuation)
200{
201 struct b43_phy *phy = &dev->phy;
202
203 if (phy->analog == 0) {
204 b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0)
205 & 0xFFF0) |
206 baseband_attenuation);
207 } else if (phy->analog > 1) {
208 b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFFC3, (baseband_attenuation << 2));
209 } else {
210 b43_phy_maskset(dev, B43_PHY_DACCTL, 0xFF87, (baseband_attenuation << 3));
211 }
212}
213
214/* Adjust the transmission power output (G-PHY) */
215static void b43_set_txpower_g(struct b43_wldev *dev,
216 const struct b43_bbatt *bbatt,
217 const struct b43_rfatt *rfatt, u8 tx_control)
218{
219 struct b43_phy *phy = &dev->phy;
220 struct b43_phy_g *gphy = phy->g;
221 struct b43_txpower_lo_control *lo = gphy->lo_control;
222 u16 bb, rf;
223 u16 tx_bias, tx_magn;
224
225 bb = bbatt->att;
226 rf = rfatt->att;
227 tx_bias = lo->tx_bias;
228 tx_magn = lo->tx_magn;
229 if (unlikely(tx_bias == 0xFF))
230 tx_bias = 0;
231
232 /* Save the values for later. Use memmove, because it's valid
233 * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */
234 gphy->tx_control = tx_control;
235 memmove(&gphy->rfatt, rfatt, sizeof(*rfatt));
236 gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX);
237 memmove(&gphy->bbatt, bbatt, sizeof(*bbatt));
238
239 if (b43_debug(dev, B43_DBG_XMITPOWER)) {
240 b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), "
241 "rfatt(%u), tx_control(0x%02X), "
242 "tx_bias(0x%02X), tx_magn(0x%02X)\n",
243 bb, rf, tx_control, tx_bias, tx_magn);
244 }
245
246 b43_gphy_set_baseband_attenuation(dev, bb);
247 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf);
248 if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
249 b43_radio_write16(dev, 0x43,
250 (rf & 0x000F) | (tx_control & 0x0070));
251 } else {
252 b43_radio_maskset(dev, 0x43, 0xFFF0, (rf & 0x000F));
253 b43_radio_maskset(dev, 0x52, ~0x0070, (tx_control & 0x0070));
254 }
255 if (has_tx_magnification(phy)) {
256 b43_radio_write16(dev, 0x52, tx_magn | tx_bias);
257 } else {
258 b43_radio_maskset(dev, 0x52, 0xFFF0, (tx_bias & 0x000F));
259 }
260 b43_lo_g_adjust(dev);
261}
262
263/* GPHY_TSSI_Power_Lookup_Table_Init */
264static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev)
265{
266 struct b43_phy_g *gphy = dev->phy.g;
267 int i;
268 u16 value;
269
270 for (i = 0; i < 32; i++)
271 b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]);
272 for (i = 32; i < 64; i++)
273 b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]);
274 for (i = 0; i < 64; i += 2) {
275 value = (u16) gphy->tssi2dbm[i];
276 value |= ((u16) gphy->tssi2dbm[i + 1]) << 8;
277 b43_phy_write(dev, 0x380 + (i / 2), value);
278 }
279}
280
281/* GPHY_Gain_Lookup_Table_Init */
282static void b43_gphy_gain_lt_init(struct b43_wldev *dev)
283{
284 struct b43_phy *phy = &dev->phy;
285 struct b43_phy_g *gphy = phy->g;
286 struct b43_txpower_lo_control *lo = gphy->lo_control;
287 u16 nr_written = 0;
288 u16 tmp;
289 u8 rf, bb;
290
291 for (rf = 0; rf < lo->rfatt_list.len; rf++) {
292 for (bb = 0; bb < lo->bbatt_list.len; bb++) {
293 if (nr_written >= 0x40)
294 return;
295 tmp = lo->bbatt_list.list[bb].att;
296 tmp <<= 8;
297 if (phy->radio_rev == 8)
298 tmp |= 0x50;
299 else
300 tmp |= 0x40;
301 tmp |= lo->rfatt_list.list[rf].att;
302 b43_phy_write(dev, 0x3C0 + nr_written, tmp);
303 nr_written++;
304 }
305 }
306}
307
308static void b43_set_all_gains(struct b43_wldev *dev,
309 s16 first, s16 second, s16 third)
310{
311 struct b43_phy *phy = &dev->phy;
312 u16 i;
313 u16 start = 0x08, end = 0x18;
314 u16 tmp;
315 u16 table;
316
317 if (phy->rev <= 1) {
318 start = 0x10;
319 end = 0x20;
320 }
321
322 table = B43_OFDMTAB_GAINX;
323 if (phy->rev <= 1)
324 table = B43_OFDMTAB_GAINX_R1;
325 for (i = 0; i < 4; i++)
326 b43_ofdmtab_write16(dev, table, i, first);
327
328 for (i = start; i < end; i++)
329 b43_ofdmtab_write16(dev, table, i, second);
330
331 if (third != -1) {
332 tmp = ((u16) third << 14) | ((u16) third << 6);
333 b43_phy_maskset(dev, 0x04A0, 0xBFBF, tmp);
334 b43_phy_maskset(dev, 0x04A1, 0xBFBF, tmp);
335 b43_phy_maskset(dev, 0x04A2, 0xBFBF, tmp);
336 }
337 b43_dummy_transmission(dev, false, true);
338}
339
340static void b43_set_original_gains(struct b43_wldev *dev)
341{
342 struct b43_phy *phy = &dev->phy;
343 u16 i, tmp;
344 u16 table;
345 u16 start = 0x0008, end = 0x0018;
346
347 if (phy->rev <= 1) {
348 start = 0x0010;
349 end = 0x0020;
350 }
351
352 table = B43_OFDMTAB_GAINX;
353 if (phy->rev <= 1)
354 table = B43_OFDMTAB_GAINX_R1;
355 for (i = 0; i < 4; i++) {
356 tmp = (i & 0xFFFC);
357 tmp |= (i & 0x0001) << 1;
358 tmp |= (i & 0x0002) >> 1;
359
360 b43_ofdmtab_write16(dev, table, i, tmp);
361 }
362
363 for (i = start; i < end; i++)
364 b43_ofdmtab_write16(dev, table, i, i - start);
365
366 b43_phy_maskset(dev, 0x04A0, 0xBFBF, 0x4040);
367 b43_phy_maskset(dev, 0x04A1, 0xBFBF, 0x4040);
368 b43_phy_maskset(dev, 0x04A2, 0xBFBF, 0x4000);
369 b43_dummy_transmission(dev, false, true);
370}
371
372/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
373static void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val)
374{
375 b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
376 b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val);
377}
378
379/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
380static s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset)
381{
382 u16 val;
383
384 b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
385 val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA);
386
387 return (s16) val;
388}
389
390/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
391static void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val)
392{
393 u16 i;
394 s16 tmp;
395
396 for (i = 0; i < 64; i++) {
397 tmp = b43_nrssi_hw_read(dev, i);
398 tmp -= val;
399 tmp = clamp_val(tmp, -32, 31);
400 b43_nrssi_hw_write(dev, i, tmp);
401 }
402}
403
404/* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
405static void b43_nrssi_mem_update(struct b43_wldev *dev)
406{
407 struct b43_phy_g *gphy = dev->phy.g;
408 s16 i, delta;
409 s32 tmp;
410
411 delta = 0x1F - gphy->nrssi[0];
412 for (i = 0; i < 64; i++) {
413 tmp = (i - delta) * gphy->nrssislope;
414 tmp /= 0x10000;
415 tmp += 0x3A;
416 tmp = clamp_val(tmp, 0, 0x3F);
417 gphy->nrssi_lt[i] = tmp;
418 }
419}
420
421static void b43_calc_nrssi_offset(struct b43_wldev *dev)
422{
423 struct b43_phy *phy = &dev->phy;
424 u16 backup[20] = { 0 };
425 s16 v47F;
426 u16 i;
427 u16 saved = 0xFFFF;
428
429 backup[0] = b43_phy_read(dev, 0x0001);
430 backup[1] = b43_phy_read(dev, 0x0811);
431 backup[2] = b43_phy_read(dev, 0x0812);
432 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
433 backup[3] = b43_phy_read(dev, 0x0814);
434 backup[4] = b43_phy_read(dev, 0x0815);
435 }
436 backup[5] = b43_phy_read(dev, 0x005A);
437 backup[6] = b43_phy_read(dev, 0x0059);
438 backup[7] = b43_phy_read(dev, 0x0058);
439 backup[8] = b43_phy_read(dev, 0x000A);
440 backup[9] = b43_phy_read(dev, 0x0003);
441 backup[10] = b43_radio_read16(dev, 0x007A);
442 backup[11] = b43_radio_read16(dev, 0x0043);
443
444 b43_phy_mask(dev, 0x0429, 0x7FFF);
445 b43_phy_maskset(dev, 0x0001, 0x3FFF, 0x4000);
446 b43_phy_set(dev, 0x0811, 0x000C);
447 b43_phy_maskset(dev, 0x0812, 0xFFF3, 0x0004);
448 b43_phy_mask(dev, 0x0802, ~(0x1 | 0x2));
449 if (phy->rev >= 6) {
450 backup[12] = b43_phy_read(dev, 0x002E);
451 backup[13] = b43_phy_read(dev, 0x002F);
452 backup[14] = b43_phy_read(dev, 0x080F);
453 backup[15] = b43_phy_read(dev, 0x0810);
454 backup[16] = b43_phy_read(dev, 0x0801);
455 backup[17] = b43_phy_read(dev, 0x0060);
456 backup[18] = b43_phy_read(dev, 0x0014);
457 backup[19] = b43_phy_read(dev, 0x0478);
458
459 b43_phy_write(dev, 0x002E, 0);
460 b43_phy_write(dev, 0x002F, 0);
461 b43_phy_write(dev, 0x080F, 0);
462 b43_phy_write(dev, 0x0810, 0);
463 b43_phy_set(dev, 0x0478, 0x0100);
464 b43_phy_set(dev, 0x0801, 0x0040);
465 b43_phy_set(dev, 0x0060, 0x0040);
466 b43_phy_set(dev, 0x0014, 0x0200);
467 }
468 b43_radio_set(dev, 0x007A, 0x0070);
469 b43_radio_set(dev, 0x007A, 0x0080);
470 udelay(30);
471
472 v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
473 if (v47F >= 0x20)
474 v47F -= 0x40;
475 if (v47F == 31) {
476 for (i = 7; i >= 4; i--) {
477 b43_radio_write16(dev, 0x007B, i);
478 udelay(20);
479 v47F =
480 (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
481 if (v47F >= 0x20)
482 v47F -= 0x40;
483 if (v47F < 31 && saved == 0xFFFF)
484 saved = i;
485 }
486 if (saved == 0xFFFF)
487 saved = 4;
488 } else {
489 b43_radio_mask(dev, 0x007A, 0x007F);
490 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
491 b43_phy_set(dev, 0x0814, 0x0001);
492 b43_phy_mask(dev, 0x0815, 0xFFFE);
493 }
494 b43_phy_set(dev, 0x0811, 0x000C);
495 b43_phy_set(dev, 0x0812, 0x000C);
496 b43_phy_set(dev, 0x0811, 0x0030);
497 b43_phy_set(dev, 0x0812, 0x0030);
498 b43_phy_write(dev, 0x005A, 0x0480);
499 b43_phy_write(dev, 0x0059, 0x0810);
500 b43_phy_write(dev, 0x0058, 0x000D);
501 if (phy->rev == 0) {
502 b43_phy_write(dev, 0x0003, 0x0122);
503 } else {
504 b43_phy_set(dev, 0x000A, 0x2000);
505 }
506 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
507 b43_phy_set(dev, 0x0814, 0x0004);
508 b43_phy_mask(dev, 0x0815, 0xFFFB);
509 }
510 b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
511 b43_radio_set(dev, 0x007A, 0x000F);
512 b43_set_all_gains(dev, 3, 0, 1);
513 b43_radio_maskset(dev, 0x0043, 0x00F0, 0x000F);
514 udelay(30);
515 v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
516 if (v47F >= 0x20)
517 v47F -= 0x40;
518 if (v47F == -32) {
519 for (i = 0; i < 4; i++) {
520 b43_radio_write16(dev, 0x007B, i);
521 udelay(20);
522 v47F =
523 (s16) ((b43_phy_read(dev, 0x047F) >> 8) &
524 0x003F);
525 if (v47F >= 0x20)
526 v47F -= 0x40;
527 if (v47F > -31 && saved == 0xFFFF)
528 saved = i;
529 }
530 if (saved == 0xFFFF)
531 saved = 3;
532 } else
533 saved = 0;
534 }
535 b43_radio_write16(dev, 0x007B, saved);
536
537 if (phy->rev >= 6) {
538 b43_phy_write(dev, 0x002E, backup[12]);
539 b43_phy_write(dev, 0x002F, backup[13]);
540 b43_phy_write(dev, 0x080F, backup[14]);
541 b43_phy_write(dev, 0x0810, backup[15]);
542 }
543 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
544 b43_phy_write(dev, 0x0814, backup[3]);
545 b43_phy_write(dev, 0x0815, backup[4]);
546 }
547 b43_phy_write(dev, 0x005A, backup[5]);
548 b43_phy_write(dev, 0x0059, backup[6]);
549 b43_phy_write(dev, 0x0058, backup[7]);
550 b43_phy_write(dev, 0x000A, backup[8]);
551 b43_phy_write(dev, 0x0003, backup[9]);
552 b43_radio_write16(dev, 0x0043, backup[11]);
553 b43_radio_write16(dev, 0x007A, backup[10]);
554 b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2);
555 b43_phy_set(dev, 0x0429, 0x8000);
556 b43_set_original_gains(dev);
557 if (phy->rev >= 6) {
558 b43_phy_write(dev, 0x0801, backup[16]);
559 b43_phy_write(dev, 0x0060, backup[17]);
560 b43_phy_write(dev, 0x0014, backup[18]);
561 b43_phy_write(dev, 0x0478, backup[19]);
562 }
563 b43_phy_write(dev, 0x0001, backup[0]);
564 b43_phy_write(dev, 0x0812, backup[2]);
565 b43_phy_write(dev, 0x0811, backup[1]);
566}
567
568static void b43_calc_nrssi_slope(struct b43_wldev *dev)
569{
570 struct b43_phy *phy = &dev->phy;
571 struct b43_phy_g *gphy = phy->g;
572 u16 backup[18] = { 0 };
573 u16 tmp;
574 s16 nrssi0, nrssi1;
575
576 B43_WARN_ON(phy->type != B43_PHYTYPE_G);
577
578 if (phy->radio_rev >= 9)
579 return;
580 if (phy->radio_rev == 8)
581 b43_calc_nrssi_offset(dev);
582
583 b43_phy_mask(dev, B43_PHY_G_CRS, 0x7FFF);
584 b43_phy_mask(dev, 0x0802, 0xFFFC);
585 backup[7] = b43_read16(dev, 0x03E2);
586 b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000);
587 backup[0] = b43_radio_read16(dev, 0x007A);
588 backup[1] = b43_radio_read16(dev, 0x0052);
589 backup[2] = b43_radio_read16(dev, 0x0043);
590 backup[3] = b43_phy_read(dev, 0x0015);
591 backup[4] = b43_phy_read(dev, 0x005A);
592 backup[5] = b43_phy_read(dev, 0x0059);
593 backup[6] = b43_phy_read(dev, 0x0058);
594 backup[8] = b43_read16(dev, 0x03E6);
595 backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
596 if (phy->rev >= 3) {
597 backup[10] = b43_phy_read(dev, 0x002E);
598 backup[11] = b43_phy_read(dev, 0x002F);
599 backup[12] = b43_phy_read(dev, 0x080F);
600 backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL);
601 backup[14] = b43_phy_read(dev, 0x0801);
602 backup[15] = b43_phy_read(dev, 0x0060);
603 backup[16] = b43_phy_read(dev, 0x0014);
604 backup[17] = b43_phy_read(dev, 0x0478);
605 b43_phy_write(dev, 0x002E, 0);
606 b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0);
607 switch (phy->rev) {
608 case 4:
609 case 6:
610 case 7:
611 b43_phy_set(dev, 0x0478, 0x0100);
612 b43_phy_set(dev, 0x0801, 0x0040);
613 break;
614 case 3:
615 case 5:
616 b43_phy_mask(dev, 0x0801, 0xFFBF);
617 break;
618 }
619 b43_phy_set(dev, 0x0060, 0x0040);
620 b43_phy_set(dev, 0x0014, 0x0200);
621 }
622 b43_radio_set(dev, 0x007A, 0x0070);
623 b43_set_all_gains(dev, 0, 8, 0);
624 b43_radio_mask(dev, 0x007A, 0x00F7);
625 if (phy->rev >= 2) {
626 b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0030);
627 b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0010);
628 }
629 b43_radio_set(dev, 0x007A, 0x0080);
630 udelay(20);
631
632 nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
633 if (nrssi0 >= 0x0020)
634 nrssi0 -= 0x0040;
635
636 b43_radio_mask(dev, 0x007A, 0x007F);
637 if (phy->rev >= 2) {
638 b43_phy_maskset(dev, 0x0003, 0xFF9F, 0x0040);
639 }
640
641 b43_write16(dev, B43_MMIO_CHANNEL_EXT,
642 b43_read16(dev, B43_MMIO_CHANNEL_EXT)
643 | 0x2000);
644 b43_radio_set(dev, 0x007A, 0x000F);
645 b43_phy_write(dev, 0x0015, 0xF330);
646 if (phy->rev >= 2) {
647 b43_phy_maskset(dev, 0x0812, 0xFFCF, 0x0020);
648 b43_phy_maskset(dev, 0x0811, 0xFFCF, 0x0020);
649 }
650
651 b43_set_all_gains(dev, 3, 0, 1);
652 if (phy->radio_rev == 8) {
653 b43_radio_write16(dev, 0x0043, 0x001F);
654 } else {
655 tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F;
656 b43_radio_write16(dev, 0x0052, tmp | 0x0060);
657 tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0;
658 b43_radio_write16(dev, 0x0043, tmp | 0x0009);
659 }
660 b43_phy_write(dev, 0x005A, 0x0480);
661 b43_phy_write(dev, 0x0059, 0x0810);
662 b43_phy_write(dev, 0x0058, 0x000D);
663 udelay(20);
664 nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
665 if (nrssi1 >= 0x0020)
666 nrssi1 -= 0x0040;
667 if (nrssi0 == nrssi1)
668 gphy->nrssislope = 0x00010000;
669 else
670 gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
671 if (nrssi0 >= -4) {
672 gphy->nrssi[0] = nrssi1;
673 gphy->nrssi[1] = nrssi0;
674 }
675 if (phy->rev >= 3) {
676 b43_phy_write(dev, 0x002E, backup[10]);
677 b43_phy_write(dev, 0x002F, backup[11]);
678 b43_phy_write(dev, 0x080F, backup[12]);
679 b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]);
680 }
681 if (phy->rev >= 2) {
682 b43_phy_mask(dev, 0x0812, 0xFFCF);
683 b43_phy_mask(dev, 0x0811, 0xFFCF);
684 }
685
686 b43_radio_write16(dev, 0x007A, backup[0]);
687 b43_radio_write16(dev, 0x0052, backup[1]);
688 b43_radio_write16(dev, 0x0043, backup[2]);
689 b43_write16(dev, 0x03E2, backup[7]);
690 b43_write16(dev, 0x03E6, backup[8]);
691 b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]);
692 b43_phy_write(dev, 0x0015, backup[3]);
693 b43_phy_write(dev, 0x005A, backup[4]);
694 b43_phy_write(dev, 0x0059, backup[5]);
695 b43_phy_write(dev, 0x0058, backup[6]);
696 b43_synth_pu_workaround(dev, phy->channel);
697 b43_phy_set(dev, 0x0802, (0x0001 | 0x0002));
698 b43_set_original_gains(dev);
699 b43_phy_set(dev, B43_PHY_G_CRS, 0x8000);
700 if (phy->rev >= 3) {
701 b43_phy_write(dev, 0x0801, backup[14]);
702 b43_phy_write(dev, 0x0060, backup[15]);
703 b43_phy_write(dev, 0x0014, backup[16]);
704 b43_phy_write(dev, 0x0478, backup[17]);
705 }
706 b43_nrssi_mem_update(dev);
707 b43_calc_nrssi_threshold(dev);
708}
709
710static void b43_calc_nrssi_threshold(struct b43_wldev *dev)
711{
712 struct b43_phy *phy = &dev->phy;
713 struct b43_phy_g *gphy = phy->g;
714 s32 a, b;
715 s16 tmp16;
716 u16 tmp_u16;
717
718 B43_WARN_ON(phy->type != B43_PHYTYPE_G);
719
720 if (!phy->gmode ||
721 !(dev->sdev->bus->sprom.boardflags_lo & B43_BFL_RSSI)) {
722 tmp16 = b43_nrssi_hw_read(dev, 0x20);
723 if (tmp16 >= 0x20)
724 tmp16 -= 0x40;
725 if (tmp16 < 3) {
726 b43_phy_maskset(dev, 0x048A, 0xF000, 0x09EB);
727 } else {
728 b43_phy_maskset(dev, 0x048A, 0xF000, 0x0AED);
729 }
730 } else {
731 if (gphy->interfmode == B43_INTERFMODE_NONWLAN) {
732 a = 0xE;
733 b = 0xA;
734 } else if (!gphy->aci_wlan_automatic && gphy->aci_enable) {
735 a = 0x13;
736 b = 0x12;
737 } else {
738 a = 0xE;
739 b = 0x11;
740 }
741
742 a = a * (gphy->nrssi[1] - gphy->nrssi[0]);
743 a += (gphy->nrssi[0] << 6);
744 if (a < 32)
745 a += 31;
746 else
747 a += 32;
748 a = a >> 6;
749 a = clamp_val(a, -31, 31);
750
751 b = b * (gphy->nrssi[1] - gphy->nrssi[0]);
752 b += (gphy->nrssi[0] << 6);
753 if (b < 32)
754 b += 31;
755 else
756 b += 32;
757 b = b >> 6;
758 b = clamp_val(b, -31, 31);
759
760 tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
761 tmp_u16 |= ((u32) b & 0x0000003F);
762 tmp_u16 |= (((u32) a & 0x0000003F) << 6);
763 b43_phy_write(dev, 0x048A, tmp_u16);
764 }
765}
766
767/* Stack implementation to save/restore values from the
768 * interference mitigation code.
769 * It is save to restore values in random order.
770 */
771static void _stack_save(u32 *_stackptr, size_t *stackidx,
772 u8 id, u16 offset, u16 value)
773{
774 u32 *stackptr = &(_stackptr[*stackidx]);
775
776 B43_WARN_ON(offset & 0xF000);
777 B43_WARN_ON(id & 0xF0);
778 *stackptr = offset;
779 *stackptr |= ((u32) id) << 12;
780 *stackptr |= ((u32) value) << 16;
781 (*stackidx)++;
782 B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE);
783}
784
785static u16 _stack_restore(u32 *stackptr, u8 id, u16 offset)
786{
787 size_t i;
788
789 B43_WARN_ON(offset & 0xF000);
790 B43_WARN_ON(id & 0xF0);
791 for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) {
792 if ((*stackptr & 0x00000FFF) != offset)
793 continue;
794 if (((*stackptr & 0x0000F000) >> 12) != id)
795 continue;
796 return ((*stackptr & 0xFFFF0000) >> 16);
797 }
798 B43_WARN_ON(1);
799
800 return 0;
801}
802
803#define phy_stacksave(offset) \
804 do { \
805 _stack_save(stack, &stackidx, 0x1, (offset), \
806 b43_phy_read(dev, (offset))); \
807 } while (0)
808#define phy_stackrestore(offset) \
809 do { \
810 b43_phy_write(dev, (offset), \
811 _stack_restore(stack, 0x1, \
812 (offset))); \
813 } while (0)
814#define radio_stacksave(offset) \
815 do { \
816 _stack_save(stack, &stackidx, 0x2, (offset), \
817 b43_radio_read16(dev, (offset))); \
818 } while (0)
819#define radio_stackrestore(offset) \
820 do { \
821 b43_radio_write16(dev, (offset), \
822 _stack_restore(stack, 0x2, \
823 (offset))); \
824 } while (0)
825#define ofdmtab_stacksave(table, offset) \
826 do { \
827 _stack_save(stack, &stackidx, 0x3, (offset)|(table), \
828 b43_ofdmtab_read16(dev, (table), (offset))); \
829 } while (0)
830#define ofdmtab_stackrestore(table, offset) \
831 do { \
832 b43_ofdmtab_write16(dev, (table), (offset), \
833 _stack_restore(stack, 0x3, \
834 (offset)|(table))); \
835 } while (0)
836
837static void
838b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode)
839{
840 struct b43_phy *phy = &dev->phy;
841 struct b43_phy_g *gphy = phy->g;
842 u16 tmp, flipped;
843 size_t stackidx = 0;
844 u32 *stack = gphy->interfstack;
845
846 switch (mode) {
847 case B43_INTERFMODE_NONWLAN:
848 if (phy->rev != 1) {
849 b43_phy_set(dev, 0x042B, 0x0800);
850 b43_phy_mask(dev, B43_PHY_G_CRS, ~0x4000);
851 break;
852 }
853 radio_stacksave(0x0078);
854 tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
855 B43_WARN_ON(tmp > 15);
856 flipped = bitrev4(tmp);
857 if (flipped < 10 && flipped >= 8)
858 flipped = 7;
859 else if (flipped >= 10)
860 flipped -= 3;
861 flipped = (bitrev4(flipped) << 1) | 0x0020;
862 b43_radio_write16(dev, 0x0078, flipped);
863
864 b43_calc_nrssi_threshold(dev);
865
866 phy_stacksave(0x0406);
867 b43_phy_write(dev, 0x0406, 0x7E28);
868
869 b43_phy_set(dev, 0x042B, 0x0800);
870 b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, 0x1000);
871
872 phy_stacksave(0x04A0);
873 b43_phy_maskset(dev, 0x04A0, 0xC0C0, 0x0008);
874 phy_stacksave(0x04A1);
875 b43_phy_maskset(dev, 0x04A1, 0xC0C0, 0x0605);
876 phy_stacksave(0x04A2);
877 b43_phy_maskset(dev, 0x04A2, 0xC0C0, 0x0204);
878 phy_stacksave(0x04A8);
879 b43_phy_maskset(dev, 0x04A8, 0xC0C0, 0x0803);
880 phy_stacksave(0x04AB);
881 b43_phy_maskset(dev, 0x04AB, 0xC0C0, 0x0605);
882
883 phy_stacksave(0x04A7);
884 b43_phy_write(dev, 0x04A7, 0x0002);
885 phy_stacksave(0x04A3);
886 b43_phy_write(dev, 0x04A3, 0x287A);
887 phy_stacksave(0x04A9);
888 b43_phy_write(dev, 0x04A9, 0x2027);
889 phy_stacksave(0x0493);
890 b43_phy_write(dev, 0x0493, 0x32F5);
891 phy_stacksave(0x04AA);
892 b43_phy_write(dev, 0x04AA, 0x2027);
893 phy_stacksave(0x04AC);
894 b43_phy_write(dev, 0x04AC, 0x32F5);
895 break;
896 case B43_INTERFMODE_MANUALWLAN:
897 if (b43_phy_read(dev, 0x0033) & 0x0800)
898 break;
899
900 gphy->aci_enable = 1;
901
902 phy_stacksave(B43_PHY_RADIO_BITFIELD);
903 phy_stacksave(B43_PHY_G_CRS);
904 if (phy->rev < 2) {
905 phy_stacksave(0x0406);
906 } else {
907 phy_stacksave(0x04C0);
908 phy_stacksave(0x04C1);
909 }
910 phy_stacksave(0x0033);
911 phy_stacksave(0x04A7);
912 phy_stacksave(0x04A3);
913 phy_stacksave(0x04A9);
914 phy_stacksave(0x04AA);
915 phy_stacksave(0x04AC);
916 phy_stacksave(0x0493);
917 phy_stacksave(0x04A1);
918 phy_stacksave(0x04A0);
919 phy_stacksave(0x04A2);
920 phy_stacksave(0x048A);
921 phy_stacksave(0x04A8);
922 phy_stacksave(0x04AB);
923 if (phy->rev == 2) {
924 phy_stacksave(0x04AD);
925 phy_stacksave(0x04AE);
926 } else if (phy->rev >= 3) {
927 phy_stacksave(0x04AD);
928 phy_stacksave(0x0415);
929 phy_stacksave(0x0416);
930 phy_stacksave(0x0417);
931 ofdmtab_stacksave(0x1A00, 0x2);
932 ofdmtab_stacksave(0x1A00, 0x3);
933 }
934 phy_stacksave(0x042B);
935 phy_stacksave(0x048C);
936
937 b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~0x1000);
938 b43_phy_maskset(dev, B43_PHY_G_CRS, 0xFFFC, 0x0002);
939
940 b43_phy_write(dev, 0x0033, 0x0800);
941 b43_phy_write(dev, 0x04A3, 0x2027);
942 b43_phy_write(dev, 0x04A9, 0x1CA8);
943 b43_phy_write(dev, 0x0493, 0x287A);
944 b43_phy_write(dev, 0x04AA, 0x1CA8);
945 b43_phy_write(dev, 0x04AC, 0x287A);
946
947 b43_phy_maskset(dev, 0x04A0, 0xFFC0, 0x001A);
948 b43_phy_write(dev, 0x04A7, 0x000D);
949
950 if (phy->rev < 2) {
951 b43_phy_write(dev, 0x0406, 0xFF0D);
952 } else if (phy->rev == 2) {
953 b43_phy_write(dev, 0x04C0, 0xFFFF);
954 b43_phy_write(dev, 0x04C1, 0x00A9);
955 } else {
956 b43_phy_write(dev, 0x04C0, 0x00C1);
957 b43_phy_write(dev, 0x04C1, 0x0059);
958 }
959
960 b43_phy_maskset(dev, 0x04A1, 0xC0FF, 0x1800);
961 b43_phy_maskset(dev, 0x04A1, 0xFFC0, 0x0015);
962 b43_phy_maskset(dev, 0x04A8, 0xCFFF, 0x1000);
963 b43_phy_maskset(dev, 0x04A8, 0xF0FF, 0x0A00);
964 b43_phy_maskset(dev, 0x04AB, 0xCFFF, 0x1000);
965 b43_phy_maskset(dev, 0x04AB, 0xF0FF, 0x0800);
966 b43_phy_maskset(dev, 0x04AB, 0xFFCF, 0x0010);
967 b43_phy_maskset(dev, 0x04AB, 0xFFF0, 0x0005);
968 b43_phy_maskset(dev, 0x04A8, 0xFFCF, 0x0010);
969 b43_phy_maskset(dev, 0x04A8, 0xFFF0, 0x0006);
970 b43_phy_maskset(dev, 0x04A2, 0xF0FF, 0x0800);
971 b43_phy_maskset(dev, 0x04A0, 0xF0FF, 0x0500);
972 b43_phy_maskset(dev, 0x04A2, 0xFFF0, 0x000B);
973
974 if (phy->rev >= 3) {
975 b43_phy_mask(dev, 0x048A, 0x7FFF);
976 b43_phy_maskset(dev, 0x0415, 0x8000, 0x36D8);
977 b43_phy_maskset(dev, 0x0416, 0x8000, 0x36D8);
978 b43_phy_maskset(dev, 0x0417, 0xFE00, 0x016D);
979 } else {
980 b43_phy_set(dev, 0x048A, 0x1000);
981 b43_phy_maskset(dev, 0x048A, 0x9FFF, 0x2000);
982 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW);
983 }
984 if (phy->rev >= 2) {
985 b43_phy_set(dev, 0x042B, 0x0800);
986 }
987 b43_phy_maskset(dev, 0x048C, 0xF0FF, 0x0200);
988 if (phy->rev == 2) {
989 b43_phy_maskset(dev, 0x04AE, 0xFF00, 0x007F);
990 b43_phy_maskset(dev, 0x04AD, 0x00FF, 0x1300);
991 } else if (phy->rev >= 6) {
992 b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F);
993 b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F);
994 b43_phy_mask(dev, 0x04AD, 0x00FF);
995 }
996 b43_calc_nrssi_slope(dev);
997 break;
998 default:
999 B43_WARN_ON(1);
1000 }
1001}
1002
1003static void
1004b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode)
1005{
1006 struct b43_phy *phy = &dev->phy;
1007 struct b43_phy_g *gphy = phy->g;
1008 u32 *stack = gphy->interfstack;
1009
1010 switch (mode) {
1011 case B43_INTERFMODE_NONWLAN:
1012 if (phy->rev != 1) {
1013 b43_phy_mask(dev, 0x042B, ~0x0800);
1014 b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
1015 break;
1016 }
1017 radio_stackrestore(0x0078);
1018 b43_calc_nrssi_threshold(dev);
1019 phy_stackrestore(0x0406);
1020 b43_phy_mask(dev, 0x042B, ~0x0800);
1021 if (!dev->bad_frames_preempt) {
1022 b43_phy_mask(dev, B43_PHY_RADIO_BITFIELD, ~(1 << 11));
1023 }
1024 b43_phy_set(dev, B43_PHY_G_CRS, 0x4000);
1025 phy_stackrestore(0x04A0);
1026 phy_stackrestore(0x04A1);
1027 phy_stackrestore(0x04A2);
1028 phy_stackrestore(0x04A8);
1029 phy_stackrestore(0x04AB);
1030 phy_stackrestore(0x04A7);
1031 phy_stackrestore(0x04A3);
1032 phy_stackrestore(0x04A9);
1033 phy_stackrestore(0x0493);
1034 phy_stackrestore(0x04AA);
1035 phy_stackrestore(0x04AC);
1036 break;
1037 case B43_INTERFMODE_MANUALWLAN:
1038 if (!(b43_phy_read(dev, 0x0033) & 0x0800))
1039 break;
1040
1041 gphy->aci_enable = 0;
1042
1043 phy_stackrestore(B43_PHY_RADIO_BITFIELD);
1044 phy_stackrestore(B43_PHY_G_CRS);
1045 phy_stackrestore(0x0033);
1046 phy_stackrestore(0x04A3);
1047 phy_stackrestore(0x04A9);
1048 phy_stackrestore(0x0493);
1049 phy_stackrestore(0x04AA);
1050 phy_stackrestore(0x04AC);
1051 phy_stackrestore(0x04A0);
1052 phy_stackrestore(0x04A7);
1053 if (phy->rev >= 2) {
1054 phy_stackrestore(0x04C0);
1055 phy_stackrestore(0x04C1);
1056 } else
1057 phy_stackrestore(0x0406);
1058 phy_stackrestore(0x04A1);
1059 phy_stackrestore(0x04AB);
1060 phy_stackrestore(0x04A8);
1061 if (phy->rev == 2) {
1062 phy_stackrestore(0x04AD);
1063 phy_stackrestore(0x04AE);
1064 } else if (phy->rev >= 3) {
1065 phy_stackrestore(0x04AD);
1066 phy_stackrestore(0x0415);
1067 phy_stackrestore(0x0416);
1068 phy_stackrestore(0x0417);
1069 ofdmtab_stackrestore(0x1A00, 0x2);
1070 ofdmtab_stackrestore(0x1A00, 0x3);
1071 }
1072 phy_stackrestore(0x04A2);
1073 phy_stackrestore(0x048A);
1074 phy_stackrestore(0x042B);
1075 phy_stackrestore(0x048C);
1076 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW);
1077 b43_calc_nrssi_slope(dev);
1078 break;
1079 default:
1080 B43_WARN_ON(1);
1081 }
1082}
1083
1084#undef phy_stacksave
1085#undef phy_stackrestore
1086#undef radio_stacksave
1087#undef radio_stackrestore
1088#undef ofdmtab_stacksave
1089#undef ofdmtab_stackrestore
1090
1091static u16 b43_radio_core_calibration_value(struct b43_wldev *dev)
1092{
1093 u16 reg, index, ret;
1094
1095 static const u8 rcc_table[] = {
1096 0x02, 0x03, 0x01, 0x0F,
1097 0x06, 0x07, 0x05, 0x0F,
1098 0x0A, 0x0B, 0x09, 0x0F,
1099 0x0E, 0x0F, 0x0D, 0x0F,
1100 };
1101
1102 reg = b43_radio_read16(dev, 0x60);
1103 index = (reg & 0x001E) >> 1;
1104 ret = rcc_table[index] << 1;
1105 ret |= (reg & 0x0001);
1106 ret |= 0x0020;
1107
1108 return ret;
1109}
1110
1111#define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0))
1112static u16 radio2050_rfover_val(struct b43_wldev *dev,
1113 u16 phy_register, unsigned int lpd)
1114{
1115 struct b43_phy *phy = &dev->phy;
1116 struct b43_phy_g *gphy = phy->g;
1117 struct ssb_sprom *sprom = &(dev->sdev->bus->sprom);
1118
1119 if (!phy->gmode)
1120 return 0;
1121
1122 if (has_loopback_gain(phy)) {
1123 int max_lb_gain = gphy->max_lb_gain;
1124 u16 extlna;
1125 u16 i;
1126
1127 if (phy->radio_rev == 8)
1128 max_lb_gain += 0x3E;
1129 else
1130 max_lb_gain += 0x26;
1131 if (max_lb_gain >= 0x46) {
1132 extlna = 0x3000;
1133 max_lb_gain -= 0x46;
1134 } else if (max_lb_gain >= 0x3A) {
1135 extlna = 0x1000;
1136 max_lb_gain -= 0x3A;
1137 } else if (max_lb_gain >= 0x2E) {
1138 extlna = 0x2000;
1139 max_lb_gain -= 0x2E;
1140 } else {
1141 extlna = 0;
1142 max_lb_gain -= 0x10;
1143 }
1144
1145 for (i = 0; i < 16; i++) {
1146 max_lb_gain -= (i * 6);
1147 if (max_lb_gain < 6)
1148 break;
1149 }
1150
1151 if ((phy->rev < 7) ||
1152 !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
1153 if (phy_register == B43_PHY_RFOVER) {
1154 return 0x1B3;
1155 } else if (phy_register == B43_PHY_RFOVERVAL) {
1156 extlna |= (i << 8);
1157 switch (lpd) {
1158 case LPD(0, 1, 1):
1159 return 0x0F92;
1160 case LPD(0, 0, 1):
1161 case LPD(1, 0, 1):
1162 return (0x0092 | extlna);
1163 case LPD(1, 0, 0):
1164 return (0x0093 | extlna);
1165 }
1166 B43_WARN_ON(1);
1167 }
1168 B43_WARN_ON(1);
1169 } else {
1170 if (phy_register == B43_PHY_RFOVER) {
1171 return 0x9B3;
1172 } else if (phy_register == B43_PHY_RFOVERVAL) {
1173 if (extlna)
1174 extlna |= 0x8000;
1175 extlna |= (i << 8);
1176 switch (lpd) {
1177 case LPD(0, 1, 1):
1178 return 0x8F92;
1179 case LPD(0, 0, 1):
1180 return (0x8092 | extlna);
1181 case LPD(1, 0, 1):
1182 return (0x2092 | extlna);
1183 case LPD(1, 0, 0):
1184 return (0x2093 | extlna);
1185 }
1186 B43_WARN_ON(1);
1187 }
1188 B43_WARN_ON(1);
1189 }
1190 } else {
1191 if ((phy->rev < 7) ||
1192 !(sprom->boardflags_lo & B43_BFL_EXTLNA)) {
1193 if (phy_register == B43_PHY_RFOVER) {
1194 return 0x1B3;
1195 } else if (phy_register == B43_PHY_RFOVERVAL) {
1196 switch (lpd) {
1197 case LPD(0, 1, 1):
1198 return 0x0FB2;
1199 case LPD(0, 0, 1):
1200 return 0x00B2;
1201 case LPD(1, 0, 1):
1202 return 0x30B2;
1203 case LPD(1, 0, 0):
1204 return 0x30B3;
1205 }
1206 B43_WARN_ON(1);
1207 }
1208 B43_WARN_ON(1);
1209 } else {
1210 if (phy_register == B43_PHY_RFOVER) {
1211 return 0x9B3;
1212 } else if (phy_register == B43_PHY_RFOVERVAL) {
1213 switch (lpd) {
1214 case LPD(0, 1, 1):
1215 return 0x8FB2;
1216 case LPD(0, 0, 1):
1217 return 0x80B2;
1218 case LPD(1, 0, 1):
1219 return 0x20B2;
1220 case LPD(1, 0, 0):
1221 return 0x20B3;
1222 }
1223 B43_WARN_ON(1);
1224 }
1225 B43_WARN_ON(1);
1226 }
1227 }
1228 return 0;
1229}
1230
1231struct init2050_saved_values {
1232 /* Core registers */
1233 u16 reg_3EC;
1234 u16 reg_3E6;
1235 u16 reg_3F4;
1236 /* Radio registers */
1237 u16 radio_43;
1238 u16 radio_51;
1239 u16 radio_52;
1240 /* PHY registers */
1241 u16 phy_pgactl;
1242 u16 phy_cck_5A;
1243 u16 phy_cck_59;
1244 u16 phy_cck_58;
1245 u16 phy_cck_30;
1246 u16 phy_rfover;
1247 u16 phy_rfoverval;
1248 u16 phy_analogover;
1249 u16 phy_analogoverval;
1250 u16 phy_crs0;
1251 u16 phy_classctl;
1252 u16 phy_lo_mask;
1253 u16 phy_lo_ctl;
1254 u16 phy_syncctl;
1255};
1256
1257static u16 b43_radio_init2050(struct b43_wldev *dev)
1258{
1259 struct b43_phy *phy = &dev->phy;
1260 struct init2050_saved_values sav;
1261 u16 rcc;
1262 u16 radio78;
1263 u16 ret;
1264 u16 i, j;
1265 u32 tmp1 = 0, tmp2 = 0;
1266
1267 memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */
1268
1269 sav.radio_43 = b43_radio_read16(dev, 0x43);
1270 sav.radio_51 = b43_radio_read16(dev, 0x51);
1271 sav.radio_52 = b43_radio_read16(dev, 0x52);
1272 sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
1273 sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A));
1274 sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59));
1275 sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58));
1276
1277 if (phy->type == B43_PHYTYPE_B) {
1278 sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30));
1279 sav.reg_3EC = b43_read16(dev, 0x3EC);
1280
1281 b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF);
1282 b43_write16(dev, 0x3EC, 0x3F3F);
1283 } else if (phy->gmode || phy->rev >= 2) {
1284 sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
1285 sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
1286 sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
1287 sav.phy_analogoverval =
1288 b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
1289 sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
1290 sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
1291
1292 b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0003);
1293 b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFC);
1294 b43_phy_mask(dev, B43_PHY_CRS0, 0x7FFF);
1295 b43_phy_mask(dev, B43_PHY_CLASSCTL, 0xFFFC);
1296 if (has_loopback_gain(phy)) {
1297 sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
1298 sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL);
1299
1300 if (phy->rev >= 3)
1301 b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
1302 else
1303 b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
1304 b43_phy_write(dev, B43_PHY_LO_CTL, 0);
1305 }
1306
1307 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1308 radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
1309 LPD(0, 1, 1)));
1310 b43_phy_write(dev, B43_PHY_RFOVER,
1311 radio2050_rfover_val(dev, B43_PHY_RFOVER, 0));
1312 }
1313 b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000);
1314
1315 sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
1316 b43_phy_mask(dev, B43_PHY_SYNCCTL, 0xFF7F);
1317 sav.reg_3E6 = b43_read16(dev, 0x3E6);
1318 sav.reg_3F4 = b43_read16(dev, 0x3F4);
1319
1320 if (phy->analog == 0) {
1321 b43_write16(dev, 0x03E6, 0x0122);
1322 } else {
1323 if (phy->analog >= 2) {
1324 b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFFBF, 0x40);
1325 }
1326 b43_write16(dev, B43_MMIO_CHANNEL_EXT,
1327 (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000));
1328 }
1329
1330 rcc = b43_radio_core_calibration_value(dev);
1331
1332 if (phy->type == B43_PHYTYPE_B)
1333 b43_radio_write16(dev, 0x78, 0x26);
1334 if (phy->gmode || phy->rev >= 2) {
1335 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1336 radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
1337 LPD(0, 1, 1)));
1338 }
1339 b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
1340 b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403);
1341 if (phy->gmode || phy->rev >= 2) {
1342 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1343 radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
1344 LPD(0, 0, 1)));
1345 }
1346 b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0);
1347 b43_radio_set(dev, 0x51, 0x0004);
1348 if (phy->radio_rev == 8) {
1349 b43_radio_write16(dev, 0x43, 0x1F);
1350 } else {
1351 b43_radio_write16(dev, 0x52, 0);
1352 b43_radio_maskset(dev, 0x43, 0xFFF0, 0x0009);
1353 }
1354 b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1355
1356 for (i = 0; i < 16; i++) {
1357 b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480);
1358 b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
1359 b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
1360 if (phy->gmode || phy->rev >= 2) {
1361 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1362 radio2050_rfover_val(dev,
1363 B43_PHY_RFOVERVAL,
1364 LPD(1, 0, 1)));
1365 }
1366 b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1367 udelay(10);
1368 if (phy->gmode || phy->rev >= 2) {
1369 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1370 radio2050_rfover_val(dev,
1371 B43_PHY_RFOVERVAL,
1372 LPD(1, 0, 1)));
1373 }
1374 b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
1375 udelay(10);
1376 if (phy->gmode || phy->rev >= 2) {
1377 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1378 radio2050_rfover_val(dev,
1379 B43_PHY_RFOVERVAL,
1380 LPD(1, 0, 0)));
1381 }
1382 b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
1383 udelay(20);
1384 tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1385 b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1386 if (phy->gmode || phy->rev >= 2) {
1387 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1388 radio2050_rfover_val(dev,
1389 B43_PHY_RFOVERVAL,
1390 LPD(1, 0, 1)));
1391 }
1392 b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1393 }
1394 udelay(10);
1395
1396 b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1397 tmp1++;
1398 tmp1 >>= 9;
1399
1400 for (i = 0; i < 16; i++) {
1401 radio78 = (bitrev4(i) << 1) | 0x0020;
1402 b43_radio_write16(dev, 0x78, radio78);
1403 udelay(10);
1404 for (j = 0; j < 16; j++) {
1405 b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80);
1406 b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
1407 b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
1408 if (phy->gmode || phy->rev >= 2) {
1409 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1410 radio2050_rfover_val(dev,
1411 B43_PHY_RFOVERVAL,
1412 LPD(1, 0,
1413 1)));
1414 }
1415 b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1416 udelay(10);
1417 if (phy->gmode || phy->rev >= 2) {
1418 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1419 radio2050_rfover_val(dev,
1420 B43_PHY_RFOVERVAL,
1421 LPD(1, 0,
1422 1)));
1423 }
1424 b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
1425 udelay(10);
1426 if (phy->gmode || phy->rev >= 2) {
1427 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1428 radio2050_rfover_val(dev,
1429 B43_PHY_RFOVERVAL,
1430 LPD(1, 0,
1431 0)));
1432 }
1433 b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
1434 udelay(10);
1435 tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1436 b43_phy_write(dev, B43_PHY_CCK(0x58), 0);
1437 if (phy->gmode || phy->rev >= 2) {
1438 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1439 radio2050_rfover_val(dev,
1440 B43_PHY_RFOVERVAL,
1441 LPD(1, 0,
1442 1)));
1443 }
1444 b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
1445 }
1446 tmp2++;
1447 tmp2 >>= 8;
1448 if (tmp1 < tmp2)
1449 break;
1450 }
1451
1452 /* Restore the registers */
1453 b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl);
1454 b43_radio_write16(dev, 0x51, sav.radio_51);
1455 b43_radio_write16(dev, 0x52, sav.radio_52);
1456 b43_radio_write16(dev, 0x43, sav.radio_43);
1457 b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A);
1458 b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59);
1459 b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58);
1460 b43_write16(dev, 0x3E6, sav.reg_3E6);
1461 if (phy->analog != 0)
1462 b43_write16(dev, 0x3F4, sav.reg_3F4);
1463 b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
1464 b43_synth_pu_workaround(dev, phy->channel);
1465 if (phy->type == B43_PHYTYPE_B) {
1466 b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30);
1467 b43_write16(dev, 0x3EC, sav.reg_3EC);
1468 } else if (phy->gmode) {
1469 b43_write16(dev, B43_MMIO_PHY_RADIO,
1470 b43_read16(dev, B43_MMIO_PHY_RADIO)
1471 & 0x7FFF);
1472 b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover);
1473 b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval);
1474 b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover);
1475 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
1476 sav.phy_analogoverval);
1477 b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
1478 b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl);
1479 if (has_loopback_gain(phy)) {
1480 b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask);
1481 b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl);
1482 }
1483 }
1484 if (i > 15)
1485 ret = radio78;
1486 else
1487 ret = rcc;
1488
1489 return ret;
1490}
1491
1492static void b43_phy_initb5(struct b43_wldev *dev)
1493{
1494 struct ssb_bus *bus = dev->sdev->bus;
1495 struct b43_phy *phy = &dev->phy;
1496 struct b43_phy_g *gphy = phy->g;
1497 u16 offset, value;
1498 u8 old_channel;
1499
1500 if (phy->analog == 1) {
1501 b43_radio_set(dev, 0x007A, 0x0050);
1502 }
1503 if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) &&
1504 (bus->boardinfo.type != SSB_BOARD_BU4306)) {
1505 value = 0x2120;
1506 for (offset = 0x00A8; offset < 0x00C7; offset++) {
1507 b43_phy_write(dev, offset, value);
1508 value += 0x202;
1509 }
1510 }
1511 b43_phy_maskset(dev, 0x0035, 0xF0FF, 0x0700);
1512 if (phy->radio_ver == 0x2050)
1513 b43_phy_write(dev, 0x0038, 0x0667);
1514
1515 if (phy->gmode || phy->rev >= 2) {
1516 if (phy->radio_ver == 0x2050) {
1517 b43_radio_set(dev, 0x007A, 0x0020);
1518 b43_radio_set(dev, 0x0051, 0x0004);
1519 }
1520 b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000);
1521
1522 b43_phy_set(dev, 0x0802, 0x0100);
1523 b43_phy_set(dev, 0x042B, 0x2000);
1524
1525 b43_phy_write(dev, 0x001C, 0x186A);
1526
1527 b43_phy_maskset(dev, 0x0013, 0x00FF, 0x1900);
1528 b43_phy_maskset(dev, 0x0035, 0xFFC0, 0x0064);
1529 b43_phy_maskset(dev, 0x005D, 0xFF80, 0x000A);
1530 }
1531
1532 if (dev->bad_frames_preempt) {
1533 b43_phy_set(dev, B43_PHY_RADIO_BITFIELD, (1 << 11));
1534 }
1535
1536 if (phy->analog == 1) {
1537 b43_phy_write(dev, 0x0026, 0xCE00);
1538 b43_phy_write(dev, 0x0021, 0x3763);
1539 b43_phy_write(dev, 0x0022, 0x1BC3);
1540 b43_phy_write(dev, 0x0023, 0x06F9);
1541 b43_phy_write(dev, 0x0024, 0x037E);
1542 } else
1543 b43_phy_write(dev, 0x0026, 0xCC00);
1544 b43_phy_write(dev, 0x0030, 0x00C6);
1545 b43_write16(dev, 0x03EC, 0x3F22);
1546
1547 if (phy->analog == 1)
1548 b43_phy_write(dev, 0x0020, 0x3E1C);
1549 else
1550 b43_phy_write(dev, 0x0020, 0x301C);
1551
1552 if (phy->analog == 0)
1553 b43_write16(dev, 0x03E4, 0x3000);
1554
1555 old_channel = phy->channel;
1556 /* Force to channel 7, even if not supported. */
1557 b43_gphy_channel_switch(dev, 7, 0);
1558
1559 if (phy->radio_ver != 0x2050) {
1560 b43_radio_write16(dev, 0x0075, 0x0080);
1561 b43_radio_write16(dev, 0x0079, 0x0081);
1562 }
1563
1564 b43_radio_write16(dev, 0x0050, 0x0020);
1565 b43_radio_write16(dev, 0x0050, 0x0023);
1566
1567 if (phy->radio_ver == 0x2050) {
1568 b43_radio_write16(dev, 0x0050, 0x0020);
1569 b43_radio_write16(dev, 0x005A, 0x0070);
1570 }
1571
1572 b43_radio_write16(dev, 0x005B, 0x007B);
1573 b43_radio_write16(dev, 0x005C, 0x00B0);
1574
1575 b43_radio_set(dev, 0x007A, 0x0007);
1576
1577 b43_gphy_channel_switch(dev, old_channel, 0);
1578
1579 b43_phy_write(dev, 0x0014, 0x0080);
1580 b43_phy_write(dev, 0x0032, 0x00CA);
1581 b43_phy_write(dev, 0x002A, 0x88A3);
1582
1583 b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
1584
1585 if (phy->radio_ver == 0x2050)
1586 b43_radio_write16(dev, 0x005D, 0x000D);
1587
1588 b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004);
1589}
1590
1591static void b43_phy_initb6(struct b43_wldev *dev)
1592{
1593 struct b43_phy *phy = &dev->phy;
1594 struct b43_phy_g *gphy = phy->g;
1595 u16 offset, val;
1596 u8 old_channel;
1597
1598 b43_phy_write(dev, 0x003E, 0x817A);
1599 b43_radio_write16(dev, 0x007A,
1600 (b43_radio_read16(dev, 0x007A) | 0x0058));
1601 if (phy->radio_rev == 4 || phy->radio_rev == 5) {
1602 b43_radio_write16(dev, 0x51, 0x37);
1603 b43_radio_write16(dev, 0x52, 0x70);
1604 b43_radio_write16(dev, 0x53, 0xB3);
1605 b43_radio_write16(dev, 0x54, 0x9B);
1606 b43_radio_write16(dev, 0x5A, 0x88);
1607 b43_radio_write16(dev, 0x5B, 0x88);
1608 b43_radio_write16(dev, 0x5D, 0x88);
1609 b43_radio_write16(dev, 0x5E, 0x88);
1610 b43_radio_write16(dev, 0x7D, 0x88);
1611 b43_hf_write(dev, b43_hf_read(dev)
1612 | B43_HF_TSSIRPSMW);
1613 }
1614 B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7); /* We had code for these revs here... */
1615 if (phy->radio_rev == 8) {
1616 b43_radio_write16(dev, 0x51, 0);
1617 b43_radio_write16(dev, 0x52, 0x40);
1618 b43_radio_write16(dev, 0x53, 0xB7);
1619 b43_radio_write16(dev, 0x54, 0x98);
1620 b43_radio_write16(dev, 0x5A, 0x88);
1621 b43_radio_write16(dev, 0x5B, 0x6B);
1622 b43_radio_write16(dev, 0x5C, 0x0F);
1623 if (dev->sdev->bus->sprom.boardflags_lo & B43_BFL_ALTIQ) {
1624 b43_radio_write16(dev, 0x5D, 0xFA);
1625 b43_radio_write16(dev, 0x5E, 0xD8);
1626 } else {
1627 b43_radio_write16(dev, 0x5D, 0xF5);
1628 b43_radio_write16(dev, 0x5E, 0xB8);
1629 }
1630 b43_radio_write16(dev, 0x0073, 0x0003);
1631 b43_radio_write16(dev, 0x007D, 0x00A8);
1632 b43_radio_write16(dev, 0x007C, 0x0001);
1633 b43_radio_write16(dev, 0x007E, 0x0008);
1634 }
1635 val = 0x1E1F;
1636 for (offset = 0x0088; offset < 0x0098; offset++) {
1637 b43_phy_write(dev, offset, val);
1638 val -= 0x0202;
1639 }
1640 val = 0x3E3F;
1641 for (offset = 0x0098; offset < 0x00A8; offset++) {
1642 b43_phy_write(dev, offset, val);
1643 val -= 0x0202;
1644 }
1645 val = 0x2120;
1646 for (offset = 0x00A8; offset < 0x00C8; offset++) {
1647 b43_phy_write(dev, offset, (val & 0x3F3F));
1648 val += 0x0202;
1649 }
1650 if (phy->type == B43_PHYTYPE_G) {
1651 b43_radio_set(dev, 0x007A, 0x0020);
1652 b43_radio_set(dev, 0x0051, 0x0004);
1653 b43_phy_set(dev, 0x0802, 0x0100);
1654 b43_phy_set(dev, 0x042B, 0x2000);
1655 b43_phy_write(dev, 0x5B, 0);
1656 b43_phy_write(dev, 0x5C, 0);
1657 }
1658
1659 old_channel = phy->channel;
1660 if (old_channel >= 8)
1661 b43_gphy_channel_switch(dev, 1, 0);
1662 else
1663 b43_gphy_channel_switch(dev, 13, 0);
1664
1665 b43_radio_write16(dev, 0x0050, 0x0020);
1666 b43_radio_write16(dev, 0x0050, 0x0023);
1667 udelay(40);
1668 if (phy->radio_rev < 6 || phy->radio_rev == 8) {
1669 b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C)
1670 | 0x0002));
1671 b43_radio_write16(dev, 0x50, 0x20);
1672 }
1673 if (phy->radio_rev <= 2) {
1674 b43_radio_write16(dev, 0x7C, 0x20);
1675 b43_radio_write16(dev, 0x5A, 0x70);
1676 b43_radio_write16(dev, 0x5B, 0x7B);
1677 b43_radio_write16(dev, 0x5C, 0xB0);
1678 }
1679 b43_radio_maskset(dev, 0x007A, 0x00F8, 0x0007);
1680
1681 b43_gphy_channel_switch(dev, old_channel, 0);
1682
1683 b43_phy_write(dev, 0x0014, 0x0200);
1684 if (phy->radio_rev >= 6)
1685 b43_phy_write(dev, 0x2A, 0x88C2);
1686 else
1687 b43_phy_write(dev, 0x2A, 0x8AC0);
1688 b43_phy_write(dev, 0x0038, 0x0668);
1689 b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control);
1690 if (phy->radio_rev <= 5) {
1691 b43_phy_maskset(dev, 0x5D, 0xFF80, 0x0003);
1692 }
1693 if (phy->radio_rev <= 2)
1694 b43_radio_write16(dev, 0x005D, 0x000D);
1695
1696 if (phy->analog == 4) {
1697 b43_write16(dev, 0x3E4, 9);
1698 b43_phy_mask(dev, 0x61, 0x0FFF);
1699 } else {
1700 b43_phy_maskset(dev, 0x0002, 0xFFC0, 0x0004);
1701 }
1702 if (phy->type == B43_PHYTYPE_B)
1703 B43_WARN_ON(1);
1704 else if (phy->type == B43_PHYTYPE_G)
1705 b43_write16(dev, 0x03E6, 0x0);
1706}
1707
1708static void b43_calc_loopback_gain(struct b43_wldev *dev)
1709{
1710 struct b43_phy *phy = &dev->phy;
1711 struct b43_phy_g *gphy = phy->g;
1712 u16 backup_phy[16] = { 0 };
1713 u16 backup_radio[3];
1714 u16 backup_bband;
1715 u16 i, j, loop_i_max;
1716 u16 trsw_rx;
1717 u16 loop1_outer_done, loop1_inner_done;
1718
1719 backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
1720 backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
1721 backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER);
1722 backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL);
1723 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
1724 backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
1725 backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
1726 }
1727 backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A));
1728 backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59));
1729 backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58));
1730 backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A));
1731 backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03));
1732 backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
1733 backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
1734 backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B));
1735 backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
1736 backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1737 backup_bband = gphy->bbatt.att;
1738 backup_radio[0] = b43_radio_read16(dev, 0x52);
1739 backup_radio[1] = b43_radio_read16(dev, 0x43);
1740 backup_radio[2] = b43_radio_read16(dev, 0x7A);
1741
1742 b43_phy_mask(dev, B43_PHY_CRS0, 0x3FFF);
1743 b43_phy_set(dev, B43_PHY_CCKBBANDCFG, 0x8000);
1744 b43_phy_set(dev, B43_PHY_RFOVER, 0x0002);
1745 b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFD);
1746 b43_phy_set(dev, B43_PHY_RFOVER, 0x0001);
1747 b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xFFFE);
1748 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
1749 b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0001);
1750 b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFE);
1751 b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0002);
1752 b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFD);
1753 }
1754 b43_phy_set(dev, B43_PHY_RFOVER, 0x000C);
1755 b43_phy_set(dev, B43_PHY_RFOVERVAL, 0x000C);
1756 b43_phy_set(dev, B43_PHY_RFOVER, 0x0030);
1757 b43_phy_maskset(dev, B43_PHY_RFOVERVAL, 0xFFCF, 0x10);
1758
1759 b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780);
1760 b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810);
1761 b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D);
1762
1763 b43_phy_set(dev, B43_PHY_CCK(0x0A), 0x2000);
1764 if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */
1765 b43_phy_set(dev, B43_PHY_ANALOGOVER, 0x0004);
1766 b43_phy_mask(dev, B43_PHY_ANALOGOVERVAL, 0xFFFB);
1767 }
1768 b43_phy_maskset(dev, B43_PHY_CCK(0x03), 0xFF9F, 0x40);
1769
1770 if (phy->radio_rev == 8) {
1771 b43_radio_write16(dev, 0x43, 0x000F);
1772 } else {
1773 b43_radio_write16(dev, 0x52, 0);
1774 b43_radio_maskset(dev, 0x43, 0xFFF0, 0x9);
1775 }
1776 b43_gphy_set_baseband_attenuation(dev, 11);
1777
1778 if (phy->rev >= 3)
1779 b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
1780 else
1781 b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
1782 b43_phy_write(dev, B43_PHY_LO_CTL, 0);
1783
1784 b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xFFC0, 0x01);
1785 b43_phy_maskset(dev, B43_PHY_CCK(0x2B), 0xC0FF, 0x800);
1786
1787 b43_phy_set(dev, B43_PHY_RFOVER, 0x0100);
1788 b43_phy_mask(dev, B43_PHY_RFOVERVAL, 0xCFFF);
1789
1790 if (dev->sdev->bus…Large files files are truncated, but you can click here to view the full file