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[PATCH] Convert bcm43xx-softmac to use the ieee80211_is_valid_channel routine
[linux-2.6/openmoko-kernel/knife-kernel.git] / drivers / net / wireless / bcm43xx / bcm43xx_radio.c
blobbb9c484d7e195303414eba2df621cd55e503977a
1 /*
2
3 Broadcom BCM43xx wireless driver
4
5 Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
6 Stefano Brivio <st3@riseup.net>
7 Michael Buesch <mbuesch@freenet.de>
8 Danny van Dyk <kugelfang@gentoo.org>
9 Andreas Jaggi <andreas.jaggi@waterwave.ch>
10
11 Some parts of the code in this file are derived from the ipw2200
12 driver Copyright(c) 2003 - 2004 Intel Corporation.
13
14 This program is free software; you can redistribute it and/or modify
15 it under the terms of the GNU General Public License as published by
16 the Free Software Foundation; either version 2 of the License, or
17 (at your option) any later version.
18
19 This program is distributed in the hope that it will be useful,
20 but WITHOUT ANY WARRANTY; without even the implied warranty of
21 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22 GNU General Public License for more details.
23
24 You should have received a copy of the GNU General Public License
25 along with this program; see the file COPYING. If not, write to
26 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
27 Boston, MA 02110-1301, USA.
28
29 */
30
31 #include <linux/delay.h>
32
33 #include "bcm43xx.h"
34 #include "bcm43xx_main.h"
35 #include "bcm43xx_phy.h"
36 #include "bcm43xx_radio.h"
37 #include "bcm43xx_ilt.h"
38
39
40 /* Table for bcm43xx_radio_calibrationvalue() */
41 static const u16 rcc_table[16] = {
42 0x0002, 0x0003, 0x0001, 0x000F,
43 0x0006, 0x0007, 0x0005, 0x000F,
44 0x000A, 0x000B, 0x0009, 0x000F,
45 0x000E, 0x000F, 0x000D, 0x000F,
46 };
47
48 /* Reverse the bits of a 4bit value.
49 * Example: 1101 is flipped 1011
50 */
51 static u16 flip_4bit(u16 value)
52 {
53 u16 flipped = 0x0000;
54
55 assert((value & ~0x000F) == 0x0000);
56
57 flipped |= (value & 0x0001) << 3;
58 flipped |= (value & 0x0002) << 1;
59 flipped |= (value & 0x0004) >> 1;
60 flipped |= (value & 0x0008) >> 3;
61
62 return flipped;
63 }
64
65 /* Get the freq, as it has to be written to the device. */
66 static inline
67 u16 channel2freq_bg(u8 channel)
68 {
69 /* Frequencies are given as frequencies_bg[index] + 2.4GHz
70 * Starting with channel 1
71 */
72 static const u16 frequencies_bg[14] = {
73 12, 17, 22, 27,
74 32, 37, 42, 47,
75 52, 57, 62, 67,
76 72, 84,
77 };
78
79 assert(channel >= 1 && channel <= 14);
80
81 return frequencies_bg[channel - 1];
82 }
83
84 /* Get the freq, as it has to be written to the device. */
85 static inline
86 u16 channel2freq_a(u8 channel)
87 {
88 assert(channel <= 200);
89
90 return (5000 + 5 * channel);
91 }
92
93 void bcm43xx_radio_lock(struct bcm43xx_private *bcm)
94 {
95 u32 status;
96
97 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
98 status |= BCM43xx_SBF_RADIOREG_LOCK;
99 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
100 mmiowb();
101 udelay(10);
102 }
103
104 void bcm43xx_radio_unlock(struct bcm43xx_private *bcm)
105 {
106 u32 status;
107
108 bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_VER); /* dummy read */
109 status = bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD);
110 status &= ~BCM43xx_SBF_RADIOREG_LOCK;
111 bcm43xx_write32(bcm, BCM43xx_MMIO_STATUS_BITFIELD, status);
112 mmiowb();
113 }
114
115 u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset)
116 {
117 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
118 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
119
120 switch (phy->type) {
121 case BCM43xx_PHYTYPE_A:
122 offset |= 0x0040;
123 break;
124 case BCM43xx_PHYTYPE_B:
125 if (radio->version == 0x2053) {
126 if (offset < 0x70)
127 offset += 0x80;
128 else if (offset < 0x80)
129 offset += 0x70;
130 } else if (radio->version == 0x2050) {
131 offset |= 0x80;
132 } else
133 assert(0);
134 break;
135 case BCM43xx_PHYTYPE_G:
136 offset |= 0x80;
137 break;
138 }
139
140 bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset);
141 return bcm43xx_read16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW);
142 }
143
144 void bcm43xx_radio_write16(struct bcm43xx_private *bcm, u16 offset, u16 val)
145 {
146 bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_CONTROL, offset);
147 mmiowb();
148 bcm43xx_write16(bcm, BCM43xx_MMIO_RADIO_DATA_LOW, val);
149 }
150
151 static void bcm43xx_set_all_gains(struct bcm43xx_private *bcm,
152 s16 first, s16 second, s16 third)
153 {
154 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
155 u16 i;
156 u16 start = 0x08, end = 0x18;
157 u16 offset = 0x0400;
158 u16 tmp;
159
160 if (phy->rev <= 1) {
161 offset = 0x5000;
162 start = 0x10;
163 end = 0x20;
164 }
165
166 for (i = 0; i < 4; i++)
167 bcm43xx_ilt_write(bcm, offset + i, first);
168
169 for (i = start; i < end; i++)
170 bcm43xx_ilt_write(bcm, offset + i, second);
171
172 if (third != -1) {
173 tmp = ((u16)third << 14) | ((u16)third << 6);
174 bcm43xx_phy_write(bcm, 0x04A0,
175 (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | tmp);
176 bcm43xx_phy_write(bcm, 0x04A1,
177 (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | tmp);
178 bcm43xx_phy_write(bcm, 0x04A2,
179 (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | tmp);
180 }
181 bcm43xx_dummy_transmission(bcm);
182 }
183
184 static void bcm43xx_set_original_gains(struct bcm43xx_private *bcm)
185 {
186 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
187 u16 i, tmp;
188 u16 offset = 0x0400;
189 u16 start = 0x0008, end = 0x0018;
190
191 if (phy->rev <= 1) {
192 offset = 0x5000;
193 start = 0x0010;
194 end = 0x0020;
195 }
196
197 for (i = 0; i < 4; i++) {
198 tmp = (i & 0xFFFC);
199 tmp |= (i & 0x0001) << 1;
200 tmp |= (i & 0x0002) >> 1;
201
202 bcm43xx_ilt_write(bcm, offset + i, tmp);
203 }
204
205 for (i = start; i < end; i++)
206 bcm43xx_ilt_write(bcm, offset + i, i - start);
207
208 bcm43xx_phy_write(bcm, 0x04A0,
209 (bcm43xx_phy_read(bcm, 0x04A0) & 0xBFBF) | 0x4040);
210 bcm43xx_phy_write(bcm, 0x04A1,
211 (bcm43xx_phy_read(bcm, 0x04A1) & 0xBFBF) | 0x4040);
212 bcm43xx_phy_write(bcm, 0x04A2,
213 (bcm43xx_phy_read(bcm, 0x04A2) & 0xBFBF) | 0x4000);
214 bcm43xx_dummy_transmission(bcm);
215 }
216
217 /* Synthetic PU workaround */
218 static void bcm43xx_synth_pu_workaround(struct bcm43xx_private *bcm, u8 channel)
219 {
220 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
221
222 if (radio->version != 0x2050 || radio->revision >= 6) {
223 /* We do not need the workaround. */
224 return;
225 }
226
227 if (channel <= 10) {
228 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
229 channel2freq_bg(channel + 4));
230 } else {
231 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
232 channel2freq_bg(1));
233 }
234 udelay(100);
235 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
236 channel2freq_bg(channel));
237 }
238
239 u8 bcm43xx_radio_aci_detect(struct bcm43xx_private *bcm, u8 channel)
240 {
241 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
242 u8 ret = 0;
243 u16 saved, rssi, temp;
244 int i, j = 0;
245
246 saved = bcm43xx_phy_read(bcm, 0x0403);
247 bcm43xx_radio_selectchannel(bcm, channel, 0);
248 bcm43xx_phy_write(bcm, 0x0403, (saved & 0xFFF8) | 5);
249 if (radio->aci_hw_rssi)
250 rssi = bcm43xx_phy_read(bcm, 0x048A) & 0x3F;
251 else
252 rssi = saved & 0x3F;
253 /* clamp temp to signed 5bit */
254 if (rssi > 32)
255 rssi -= 64;
256 for (i = 0;i < 100; i++) {
257 temp = (bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x3F;
258 if (temp > 32)
259 temp -= 64;
260 if (temp < rssi)
261 j++;
262 if (j >= 20)
263 ret = 1;
264 }
265 bcm43xx_phy_write(bcm, 0x0403, saved);
266
267 return ret;
268 }
269
270 u8 bcm43xx_radio_aci_scan(struct bcm43xx_private *bcm)
271 {
272 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
273 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
274 u8 ret[13];
275 unsigned int channel = radio->channel;
276 unsigned int i, j, start, end;
277 unsigned long phylock_flags;
278
279 if (!((phy->type == BCM43xx_PHYTYPE_G) && (phy->rev > 0)))
280 return 0;
281
282 bcm43xx_phy_lock(bcm, phylock_flags);
283 bcm43xx_radio_lock(bcm);
284 bcm43xx_phy_write(bcm, 0x0802,
285 bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC);
286 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
287 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF);
288 bcm43xx_set_all_gains(bcm, 3, 8, 1);
289
290 start = (channel - 5 > 0) ? channel - 5 : 1;
291 end = (channel + 5 < 14) ? channel + 5 : 13;
292
293 for (i = start; i <= end; i++) {
294 if (abs(channel - i) > 2)
295 ret[i-1] = bcm43xx_radio_aci_detect(bcm, i);
296 }
297 bcm43xx_radio_selectchannel(bcm, channel, 0);
298 bcm43xx_phy_write(bcm, 0x0802,
299 (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC) | 0x0003);
300 bcm43xx_phy_write(bcm, 0x0403,
301 bcm43xx_phy_read(bcm, 0x0403) & 0xFFF8);
302 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
303 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000);
304 bcm43xx_set_original_gains(bcm);
305 for (i = 0; i < 13; i++) {
306 if (!ret[i])
307 continue;
308 end = (i + 5 < 13) ? i + 5 : 13;
309 for (j = i; j < end; j++)
310 ret[j] = 1;
311 }
312 bcm43xx_radio_unlock(bcm);
313 bcm43xx_phy_unlock(bcm, phylock_flags);
314
315 return ret[channel - 1];
316 }
317
318 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
319 void bcm43xx_nrssi_hw_write(struct bcm43xx_private *bcm, u16 offset, s16 val)
320 {
321 bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset);
322 mmiowb();
323 bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_DATA, (u16)val);
324 }
325
326 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
327 s16 bcm43xx_nrssi_hw_read(struct bcm43xx_private *bcm, u16 offset)
328 {
329 u16 val;
330
331 bcm43xx_phy_write(bcm, BCM43xx_PHY_NRSSILT_CTRL, offset);
332 val = bcm43xx_phy_read(bcm, BCM43xx_PHY_NRSSILT_DATA);
333
334 return (s16)val;
335 }
336
337 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
338 void bcm43xx_nrssi_hw_update(struct bcm43xx_private *bcm, u16 val)
339 {
340 u16 i;
341 s16 tmp;
342
343 for (i = 0; i < 64; i++) {
344 tmp = bcm43xx_nrssi_hw_read(bcm, i);
345 tmp -= val;
346 tmp = limit_value(tmp, -32, 31);
347 bcm43xx_nrssi_hw_write(bcm, i, tmp);
348 }
349 }
350
351 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
352 void bcm43xx_nrssi_mem_update(struct bcm43xx_private *bcm)
353 {
354 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
355 s16 i, delta;
356 s32 tmp;
357
358 delta = 0x1F - radio->nrssi[0];
359 for (i = 0; i < 64; i++) {
360 tmp = (i - delta) * radio->nrssislope;
361 tmp /= 0x10000;
362 tmp += 0x3A;
363 tmp = limit_value(tmp, 0, 0x3F);
364 radio->nrssi_lt[i] = tmp;
365 }
366 }
367
368 static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm)
369 {
370 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
371 u16 backup[20] = { 0 };
372 s16 v47F;
373 u16 i;
374 u16 saved = 0xFFFF;
375
376 backup[0] = bcm43xx_phy_read(bcm, 0x0001);
377 backup[1] = bcm43xx_phy_read(bcm, 0x0811);
378 backup[2] = bcm43xx_phy_read(bcm, 0x0812);
379 backup[3] = bcm43xx_phy_read(bcm, 0x0814);
380 backup[4] = bcm43xx_phy_read(bcm, 0x0815);
381 backup[5] = bcm43xx_phy_read(bcm, 0x005A);
382 backup[6] = bcm43xx_phy_read(bcm, 0x0059);
383 backup[7] = bcm43xx_phy_read(bcm, 0x0058);
384 backup[8] = bcm43xx_phy_read(bcm, 0x000A);
385 backup[9] = bcm43xx_phy_read(bcm, 0x0003);
386 backup[10] = bcm43xx_radio_read16(bcm, 0x007A);
387 backup[11] = bcm43xx_radio_read16(bcm, 0x0043);
388
389 bcm43xx_phy_write(bcm, 0x0429,
390 bcm43xx_phy_read(bcm, 0x0429) & 0x7FFF);
391 bcm43xx_phy_write(bcm, 0x0001,
392 (bcm43xx_phy_read(bcm, 0x0001) & 0x3FFF) | 0x4000);
393 bcm43xx_phy_write(bcm, 0x0811,
394 bcm43xx_phy_read(bcm, 0x0811) | 0x000C);
395 bcm43xx_phy_write(bcm, 0x0812,
396 (bcm43xx_phy_read(bcm, 0x0812) & 0xFFF3) | 0x0004);
397 bcm43xx_phy_write(bcm, 0x0802,
398 bcm43xx_phy_read(bcm, 0x0802) & ~(0x1 | 0x2));
399 if (phy->rev >= 6) {
400 backup[12] = bcm43xx_phy_read(bcm, 0x002E);
401 backup[13] = bcm43xx_phy_read(bcm, 0x002F);
402 backup[14] = bcm43xx_phy_read(bcm, 0x080F);
403 backup[15] = bcm43xx_phy_read(bcm, 0x0810);
404 backup[16] = bcm43xx_phy_read(bcm, 0x0801);
405 backup[17] = bcm43xx_phy_read(bcm, 0x0060);
406 backup[18] = bcm43xx_phy_read(bcm, 0x0014);
407 backup[19] = bcm43xx_phy_read(bcm, 0x0478);
408
409 bcm43xx_phy_write(bcm, 0x002E, 0);
410 bcm43xx_phy_write(bcm, 0x002F, 0);
411 bcm43xx_phy_write(bcm, 0x080F, 0);
412 bcm43xx_phy_write(bcm, 0x0810, 0);
413 bcm43xx_phy_write(bcm, 0x0478,
414 bcm43xx_phy_read(bcm, 0x0478) | 0x0100);
415 bcm43xx_phy_write(bcm, 0x0801,
416 bcm43xx_phy_read(bcm, 0x0801) | 0x0040);
417 bcm43xx_phy_write(bcm, 0x0060,
418 bcm43xx_phy_read(bcm, 0x0060) | 0x0040);
419 bcm43xx_phy_write(bcm, 0x0014,
420 bcm43xx_phy_read(bcm, 0x0014) | 0x0200);
421 }
422 bcm43xx_radio_write16(bcm, 0x007A,
423 bcm43xx_radio_read16(bcm, 0x007A) | 0x0070);
424 bcm43xx_radio_write16(bcm, 0x007A,
425 bcm43xx_radio_read16(bcm, 0x007A) | 0x0080);
426 udelay(30);
427
428 v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
429 if (v47F >= 0x20)
430 v47F -= 0x40;
431 if (v47F == 31) {
432 for (i = 7; i >= 4; i--) {
433 bcm43xx_radio_write16(bcm, 0x007B, i);
434 udelay(20);
435 v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
436 if (v47F >= 0x20)
437 v47F -= 0x40;
438 if (v47F < 31 && saved == 0xFFFF)
439 saved = i;
440 }
441 if (saved == 0xFFFF)
442 saved = 4;
443 } else {
444 bcm43xx_radio_write16(bcm, 0x007A,
445 bcm43xx_radio_read16(bcm, 0x007A) & 0x007F);
446 bcm43xx_phy_write(bcm, 0x0814,
447 bcm43xx_phy_read(bcm, 0x0814) | 0x0001);
448 bcm43xx_phy_write(bcm, 0x0815,
449 bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE);
450 bcm43xx_phy_write(bcm, 0x0811,
451 bcm43xx_phy_read(bcm, 0x0811) | 0x000C);
452 bcm43xx_phy_write(bcm, 0x0812,
453 bcm43xx_phy_read(bcm, 0x0812) | 0x000C);
454 bcm43xx_phy_write(bcm, 0x0811,
455 bcm43xx_phy_read(bcm, 0x0811) | 0x0030);
456 bcm43xx_phy_write(bcm, 0x0812,
457 bcm43xx_phy_read(bcm, 0x0812) | 0x0030);
458 bcm43xx_phy_write(bcm, 0x005A, 0x0480);
459 bcm43xx_phy_write(bcm, 0x0059, 0x0810);
460 bcm43xx_phy_write(bcm, 0x0058, 0x000D);
461 if (phy->rev == 0) {
462 bcm43xx_phy_write(bcm, 0x0003, 0x0122);
463 } else {
464 bcm43xx_phy_write(bcm, 0x000A,
465 bcm43xx_phy_read(bcm, 0x000A)
466 | 0x2000);
467 }
468 bcm43xx_phy_write(bcm, 0x0814,
469 bcm43xx_phy_read(bcm, 0x0814) | 0x0004);
470 bcm43xx_phy_write(bcm, 0x0815,
471 bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB);
472 bcm43xx_phy_write(bcm, 0x0003,
473 (bcm43xx_phy_read(bcm, 0x0003) & 0xFF9F)
474 | 0x0040);
475 bcm43xx_radio_write16(bcm, 0x007A,
476 bcm43xx_radio_read16(bcm, 0x007A) | 0x000F);
477 bcm43xx_set_all_gains(bcm, 3, 0, 1);
478 bcm43xx_radio_write16(bcm, 0x0043,
479 (bcm43xx_radio_read16(bcm, 0x0043)
480 & 0x00F0) | 0x000F);
481 udelay(30);
482 v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
483 if (v47F >= 0x20)
484 v47F -= 0x40;
485 if (v47F == -32) {
486 for (i = 0; i < 4; i++) {
487 bcm43xx_radio_write16(bcm, 0x007B, i);
488 udelay(20);
489 v47F = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
490 if (v47F >= 0x20)
491 v47F -= 0x40;
492 if (v47F > -31 && saved == 0xFFFF)
493 saved = i;
494 }
495 if (saved == 0xFFFF)
496 saved = 3;
497 } else
498 saved = 0;
499 }
500 bcm43xx_radio_write16(bcm, 0x007B, saved);
501
502 if (phy->rev >= 6) {
503 bcm43xx_phy_write(bcm, 0x002E, backup[12]);
504 bcm43xx_phy_write(bcm, 0x002F, backup[13]);
505 bcm43xx_phy_write(bcm, 0x080F, backup[14]);
506 bcm43xx_phy_write(bcm, 0x0810, backup[15]);
507 }
508 bcm43xx_phy_write(bcm, 0x0814, backup[3]);
509 bcm43xx_phy_write(bcm, 0x0815, backup[4]);
510 bcm43xx_phy_write(bcm, 0x005A, backup[5]);
511 bcm43xx_phy_write(bcm, 0x0059, backup[6]);
512 bcm43xx_phy_write(bcm, 0x0058, backup[7]);
513 bcm43xx_phy_write(bcm, 0x000A, backup[8]);
514 bcm43xx_phy_write(bcm, 0x0003, backup[9]);
515 bcm43xx_radio_write16(bcm, 0x0043, backup[11]);
516 bcm43xx_radio_write16(bcm, 0x007A, backup[10]);
517 bcm43xx_phy_write(bcm, 0x0802,
518 bcm43xx_phy_read(bcm, 0x0802) | 0x1 | 0x2);
519 bcm43xx_phy_write(bcm, 0x0429,
520 bcm43xx_phy_read(bcm, 0x0429) | 0x8000);
521 bcm43xx_set_original_gains(bcm);
522 if (phy->rev >= 6) {
523 bcm43xx_phy_write(bcm, 0x0801, backup[16]);
524 bcm43xx_phy_write(bcm, 0x0060, backup[17]);
525 bcm43xx_phy_write(bcm, 0x0014, backup[18]);
526 bcm43xx_phy_write(bcm, 0x0478, backup[19]);
527 }
528 bcm43xx_phy_write(bcm, 0x0001, backup[0]);
529 bcm43xx_phy_write(bcm, 0x0812, backup[2]);
530 bcm43xx_phy_write(bcm, 0x0811, backup[1]);
531 }
532
533 void bcm43xx_calc_nrssi_slope(struct bcm43xx_private *bcm)
534 {
535 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
536 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
537 u16 backup[18] = { 0 };
538 u16 tmp;
539 s16 nrssi0, nrssi1;
540
541 switch (phy->type) {
542 case BCM43xx_PHYTYPE_B:
543 backup[0] = bcm43xx_radio_read16(bcm, 0x007A);
544 backup[1] = bcm43xx_radio_read16(bcm, 0x0052);
545 backup[2] = bcm43xx_radio_read16(bcm, 0x0043);
546 backup[3] = bcm43xx_phy_read(bcm, 0x0030);
547 backup[4] = bcm43xx_phy_read(bcm, 0x0026);
548 backup[5] = bcm43xx_phy_read(bcm, 0x0015);
549 backup[6] = bcm43xx_phy_read(bcm, 0x002A);
550 backup[7] = bcm43xx_phy_read(bcm, 0x0020);
551 backup[8] = bcm43xx_phy_read(bcm, 0x005A);
552 backup[9] = bcm43xx_phy_read(bcm, 0x0059);
553 backup[10] = bcm43xx_phy_read(bcm, 0x0058);
554 backup[11] = bcm43xx_read16(bcm, 0x03E2);
555 backup[12] = bcm43xx_read16(bcm, 0x03E6);
556 backup[13] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
557
558 tmp = bcm43xx_radio_read16(bcm, 0x007A);
559 tmp &= (phy->rev >= 5) ? 0x007F : 0x000F;
560 bcm43xx_radio_write16(bcm, 0x007A, tmp);
561 bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
562 bcm43xx_write16(bcm, 0x03EC, 0x7F7F);
563 bcm43xx_phy_write(bcm, 0x0026, 0x0000);
564 bcm43xx_phy_write(bcm, 0x0015,
565 bcm43xx_phy_read(bcm, 0x0015) | 0x0020);
566 bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
567 bcm43xx_radio_write16(bcm, 0x007A,
568 bcm43xx_radio_read16(bcm, 0x007A) | 0x0080);
569
570 nrssi0 = (s16)bcm43xx_phy_read(bcm, 0x0027);
571 bcm43xx_radio_write16(bcm, 0x007A,
572 bcm43xx_radio_read16(bcm, 0x007A) & 0x007F);
573 if (phy->rev >= 2) {
574 bcm43xx_write16(bcm, 0x03E6, 0x0040);
575 } else if (phy->rev == 0) {
576 bcm43xx_write16(bcm, 0x03E6, 0x0122);
577 } else {
578 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
579 bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) & 0x2000);
580 }
581 bcm43xx_phy_write(bcm, 0x0020, 0x3F3F);
582 bcm43xx_phy_write(bcm, 0x0015, 0xF330);
583 bcm43xx_radio_write16(bcm, 0x005A, 0x0060);
584 bcm43xx_radio_write16(bcm, 0x0043,
585 bcm43xx_radio_read16(bcm, 0x0043) & 0x00F0);
586 bcm43xx_phy_write(bcm, 0x005A, 0x0480);
587 bcm43xx_phy_write(bcm, 0x0059, 0x0810);
588 bcm43xx_phy_write(bcm, 0x0058, 0x000D);
589 udelay(20);
590
591 nrssi1 = (s16)bcm43xx_phy_read(bcm, 0x0027);
592 bcm43xx_phy_write(bcm, 0x0030, backup[3]);
593 bcm43xx_radio_write16(bcm, 0x007A, backup[0]);
594 bcm43xx_write16(bcm, 0x03E2, backup[11]);
595 bcm43xx_phy_write(bcm, 0x0026, backup[4]);
596 bcm43xx_phy_write(bcm, 0x0015, backup[5]);
597 bcm43xx_phy_write(bcm, 0x002A, backup[6]);
598 bcm43xx_synth_pu_workaround(bcm, radio->channel);
599 if (phy->rev != 0)
600 bcm43xx_write16(bcm, 0x03F4, backup[13]);
601
602 bcm43xx_phy_write(bcm, 0x0020, backup[7]);
603 bcm43xx_phy_write(bcm, 0x005A, backup[8]);
604 bcm43xx_phy_write(bcm, 0x0059, backup[9]);
605 bcm43xx_phy_write(bcm, 0x0058, backup[10]);
606 bcm43xx_radio_write16(bcm, 0x0052, backup[1]);
607 bcm43xx_radio_write16(bcm, 0x0043, backup[2]);
608
609 if (nrssi0 == nrssi1)
610 radio->nrssislope = 0x00010000;
611 else
612 radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
613
614 if (nrssi0 <= -4) {
615 radio->nrssi[0] = nrssi0;
616 radio->nrssi[1] = nrssi1;
617 }
618 break;
619 case BCM43xx_PHYTYPE_G:
620 if (radio->revision >= 9)
621 return;
622 if (radio->revision == 8)
623 bcm43xx_calc_nrssi_offset(bcm);
624
625 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
626 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF);
627 bcm43xx_phy_write(bcm, 0x0802,
628 bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC);
629 backup[7] = bcm43xx_read16(bcm, 0x03E2);
630 bcm43xx_write16(bcm, 0x03E2,
631 bcm43xx_read16(bcm, 0x03E2) | 0x8000);
632 backup[0] = bcm43xx_radio_read16(bcm, 0x007A);
633 backup[1] = bcm43xx_radio_read16(bcm, 0x0052);
634 backup[2] = bcm43xx_radio_read16(bcm, 0x0043);
635 backup[3] = bcm43xx_phy_read(bcm, 0x0015);
636 backup[4] = bcm43xx_phy_read(bcm, 0x005A);
637 backup[5] = bcm43xx_phy_read(bcm, 0x0059);
638 backup[6] = bcm43xx_phy_read(bcm, 0x0058);
639 backup[8] = bcm43xx_read16(bcm, 0x03E6);
640 backup[9] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
641 if (phy->rev >= 3) {
642 backup[10] = bcm43xx_phy_read(bcm, 0x002E);
643 backup[11] = bcm43xx_phy_read(bcm, 0x002F);
644 backup[12] = bcm43xx_phy_read(bcm, 0x080F);
645 backup[13] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_LO_CONTROL);
646 backup[14] = bcm43xx_phy_read(bcm, 0x0801);
647 backup[15] = bcm43xx_phy_read(bcm, 0x0060);
648 backup[16] = bcm43xx_phy_read(bcm, 0x0014);
649 backup[17] = bcm43xx_phy_read(bcm, 0x0478);
650 bcm43xx_phy_write(bcm, 0x002E, 0);
651 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, 0);
652 switch (phy->rev) {
653 case 4: case 6: case 7:
654 bcm43xx_phy_write(bcm, 0x0478,
655 bcm43xx_phy_read(bcm, 0x0478)
656 | 0x0100);
657 bcm43xx_phy_write(bcm, 0x0801,
658 bcm43xx_phy_read(bcm, 0x0801)
659 | 0x0040);
660 break;
661 case 3: case 5:
662 bcm43xx_phy_write(bcm, 0x0801,
663 bcm43xx_phy_read(bcm, 0x0801)
664 & 0xFFBF);
665 break;
666 }
667 bcm43xx_phy_write(bcm, 0x0060,
668 bcm43xx_phy_read(bcm, 0x0060)
669 | 0x0040);
670 bcm43xx_phy_write(bcm, 0x0014,
671 bcm43xx_phy_read(bcm, 0x0014)
672 | 0x0200);
673 }
674 bcm43xx_radio_write16(bcm, 0x007A,
675 bcm43xx_radio_read16(bcm, 0x007A) | 0x0070);
676 bcm43xx_set_all_gains(bcm, 0, 8, 0);
677 bcm43xx_radio_write16(bcm, 0x007A,
678 bcm43xx_radio_read16(bcm, 0x007A) & 0x00F7);
679 if (phy->rev >= 2) {
680 bcm43xx_phy_write(bcm, 0x0811,
681 (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0030);
682 bcm43xx_phy_write(bcm, 0x0812,
683 (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0010);
684 }
685 bcm43xx_radio_write16(bcm, 0x007A,
686 bcm43xx_radio_read16(bcm, 0x007A) | 0x0080);
687 udelay(20);
688
689 nrssi0 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
690 if (nrssi0 >= 0x0020)
691 nrssi0 -= 0x0040;
692
693 bcm43xx_radio_write16(bcm, 0x007A,
694 bcm43xx_radio_read16(bcm, 0x007A) & 0x007F);
695 if (phy->rev >= 2) {
696 bcm43xx_phy_write(bcm, 0x0003,
697 (bcm43xx_phy_read(bcm, 0x0003)
698 & 0xFF9F) | 0x0040);
699 }
700
701 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
702 bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT)
703 | 0x2000);
704 bcm43xx_radio_write16(bcm, 0x007A,
705 bcm43xx_radio_read16(bcm, 0x007A) | 0x000F);
706 bcm43xx_phy_write(bcm, 0x0015, 0xF330);
707 if (phy->rev >= 2) {
708 bcm43xx_phy_write(bcm, 0x0812,
709 (bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF) | 0x0020);
710 bcm43xx_phy_write(bcm, 0x0811,
711 (bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF) | 0x0020);
712 }
713
714 bcm43xx_set_all_gains(bcm, 3, 0, 1);
715 if (radio->revision == 8) {
716 bcm43xx_radio_write16(bcm, 0x0043, 0x001F);
717 } else {
718 tmp = bcm43xx_radio_read16(bcm, 0x0052) & 0xFF0F;
719 bcm43xx_radio_write16(bcm, 0x0052, tmp | 0x0060);
720 tmp = bcm43xx_radio_read16(bcm, 0x0043) & 0xFFF0;
721 bcm43xx_radio_write16(bcm, 0x0043, tmp | 0x0009);
722 }
723 bcm43xx_phy_write(bcm, 0x005A, 0x0480);
724 bcm43xx_phy_write(bcm, 0x0059, 0x0810);
725 bcm43xx_phy_write(bcm, 0x0058, 0x000D);
726 udelay(20);
727 nrssi1 = (s16)((bcm43xx_phy_read(bcm, 0x047F) >> 8) & 0x003F);
728 if (nrssi1 >= 0x0020)
729 nrssi1 -= 0x0040;
730 if (nrssi0 == nrssi1)
731 radio->nrssislope = 0x00010000;
732 else
733 radio->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
734 if (nrssi0 >= -4) {
735 radio->nrssi[0] = nrssi1;
736 radio->nrssi[1] = nrssi0;
737 }
738 if (phy->rev >= 3) {
739 bcm43xx_phy_write(bcm, 0x002E, backup[10]);
740 bcm43xx_phy_write(bcm, 0x002F, backup[11]);
741 bcm43xx_phy_write(bcm, 0x080F, backup[12]);
742 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, backup[13]);
743 }
744 if (phy->rev >= 2) {
745 bcm43xx_phy_write(bcm, 0x0812,
746 bcm43xx_phy_read(bcm, 0x0812) & 0xFFCF);
747 bcm43xx_phy_write(bcm, 0x0811,
748 bcm43xx_phy_read(bcm, 0x0811) & 0xFFCF);
749 }
750
751 bcm43xx_radio_write16(bcm, 0x007A, backup[0]);
752 bcm43xx_radio_write16(bcm, 0x0052, backup[1]);
753 bcm43xx_radio_write16(bcm, 0x0043, backup[2]);
754 bcm43xx_write16(bcm, 0x03E2, backup[7]);
755 bcm43xx_write16(bcm, 0x03E6, backup[8]);
756 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[9]);
757 bcm43xx_phy_write(bcm, 0x0015, backup[3]);
758 bcm43xx_phy_write(bcm, 0x005A, backup[4]);
759 bcm43xx_phy_write(bcm, 0x0059, backup[5]);
760 bcm43xx_phy_write(bcm, 0x0058, backup[6]);
761 bcm43xx_synth_pu_workaround(bcm, radio->channel);
762 bcm43xx_phy_write(bcm, 0x0802,
763 bcm43xx_phy_read(bcm, 0x0802) | (0x0001 | 0x0002));
764 bcm43xx_set_original_gains(bcm);
765 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
766 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000);
767 if (phy->rev >= 3) {
768 bcm43xx_phy_write(bcm, 0x0801, backup[14]);
769 bcm43xx_phy_write(bcm, 0x0060, backup[15]);
770 bcm43xx_phy_write(bcm, 0x0014, backup[16]);
771 bcm43xx_phy_write(bcm, 0x0478, backup[17]);
772 }
773 bcm43xx_nrssi_mem_update(bcm);
774 bcm43xx_calc_nrssi_threshold(bcm);
775 break;
776 default:
777 assert(0);
778 }
779 }
780
781 void bcm43xx_calc_nrssi_threshold(struct bcm43xx_private *bcm)
782 {
783 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
784 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
785 s32 threshold;
786 s32 a, b;
787 s16 tmp16;
788 u16 tmp_u16;
789
790 switch (phy->type) {
791 case BCM43xx_PHYTYPE_B: {
792 if (radio->version != 0x2050)
793 return;
794 if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI))
795 return;
796
797 if (radio->revision >= 6) {
798 threshold = (radio->nrssi[1] - radio->nrssi[0]) * 32;
799 threshold += 20 * (radio->nrssi[0] + 1);
800 threshold /= 40;
801 } else
802 threshold = radio->nrssi[1] - 5;
803
804 threshold = limit_value(threshold, 0, 0x3E);
805 bcm43xx_phy_read(bcm, 0x0020); /* dummy read */
806 bcm43xx_phy_write(bcm, 0x0020, (((u16)threshold) << 8) | 0x001C);
807
808 if (radio->revision >= 6) {
809 bcm43xx_phy_write(bcm, 0x0087, 0x0E0D);
810 bcm43xx_phy_write(bcm, 0x0086, 0x0C0B);
811 bcm43xx_phy_write(bcm, 0x0085, 0x0A09);
812 bcm43xx_phy_write(bcm, 0x0084, 0x0808);
813 bcm43xx_phy_write(bcm, 0x0083, 0x0808);
814 bcm43xx_phy_write(bcm, 0x0082, 0x0604);
815 bcm43xx_phy_write(bcm, 0x0081, 0x0302);
816 bcm43xx_phy_write(bcm, 0x0080, 0x0100);
817 }
818 break;
819 }
820 case BCM43xx_PHYTYPE_G:
821 if (!phy->connected ||
822 !(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) {
823 tmp16 = bcm43xx_nrssi_hw_read(bcm, 0x20);
824 if (tmp16 >= 0x20)
825 tmp16 -= 0x40;
826 if (tmp16 < 3) {
827 bcm43xx_phy_write(bcm, 0x048A,
828 (bcm43xx_phy_read(bcm, 0x048A)
829 & 0xF000) | 0x09EB);
830 } else {
831 bcm43xx_phy_write(bcm, 0x048A,
832 (bcm43xx_phy_read(bcm, 0x048A)
833 & 0xF000) | 0x0AED);
834 }
835 } else {
836 if (radio->interfmode == BCM43xx_RADIO_INTERFMODE_NONWLAN) {
837 a = 0xE;
838 b = 0xA;
839 } else if (!radio->aci_wlan_automatic && radio->aci_enable) {
840 a = 0x13;
841 b = 0x12;
842 } else {
843 a = 0xE;
844 b = 0x11;
845 }
846
847 a = a * (radio->nrssi[1] - radio->nrssi[0]);
848 a += (radio->nrssi[0] << 6);
849 if (a < 32)
850 a += 31;
851 else
852 a += 32;
853 a = a >> 6;
854 a = limit_value(a, -31, 31);
855
856 b = b * (radio->nrssi[1] - radio->nrssi[0]);
857 b += (radio->nrssi[0] << 6);
858 if (b < 32)
859 b += 31;
860 else
861 b += 32;
862 b = b >> 6;
863 b = limit_value(b, -31, 31);
864
865 tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000;
866 tmp_u16 |= ((u32)b & 0x0000003F);
867 tmp_u16 |= (((u32)a & 0x0000003F) << 6);
868 bcm43xx_phy_write(bcm, 0x048A, tmp_u16);
869 }
870 break;
871 default:
872 assert(0);
873 }
874 }
875
876 /* Stack implementation to save/restore values from the
877 * interference mitigation code.
878 * It is save to restore values in random order.
879 */
880 static void _stack_save(u32 *_stackptr, size_t *stackidx,
881 u8 id, u16 offset, u16 value)
882 {
883 u32 *stackptr = &(_stackptr[*stackidx]);
884
885 assert((offset & 0xF000) == 0x0000);
886 assert((id & 0xF0) == 0x00);
887 *stackptr = offset;
888 *stackptr |= ((u32)id) << 12;
889 *stackptr |= ((u32)value) << 16;
890 (*stackidx)++;
891 assert(*stackidx < BCM43xx_INTERFSTACK_SIZE);
892 }
893
894 static u16 _stack_restore(u32 *stackptr,
895 u8 id, u16 offset)
896 {
897 size_t i;
898
899 assert((offset & 0xF000) == 0x0000);
900 assert((id & 0xF0) == 0x00);
901 for (i = 0; i < BCM43xx_INTERFSTACK_SIZE; i++, stackptr++) {
902 if ((*stackptr & 0x00000FFF) != offset)
903 continue;
904 if (((*stackptr & 0x0000F000) >> 12) != id)
905 continue;
906 return ((*stackptr & 0xFFFF0000) >> 16);
907 }
908 assert(0);
909
910 return 0;
911 }
912
913 #define phy_stacksave(offset) \
914 do { \
915 _stack_save(stack, &stackidx, 0x1, (offset), \
916 bcm43xx_phy_read(bcm, (offset))); \
917 } while (0)
918 #define phy_stackrestore(offset) \
919 do { \
920 bcm43xx_phy_write(bcm, (offset), \
921 _stack_restore(stack, 0x1, \
922 (offset))); \
923 } while (0)
924 #define radio_stacksave(offset) \
925 do { \
926 _stack_save(stack, &stackidx, 0x2, (offset), \
927 bcm43xx_radio_read16(bcm, (offset))); \
928 } while (0)
929 #define radio_stackrestore(offset) \
930 do { \
931 bcm43xx_radio_write16(bcm, (offset), \
932 _stack_restore(stack, 0x2, \
933 (offset))); \
934 } while (0)
935 #define ilt_stacksave(offset) \
936 do { \
937 _stack_save(stack, &stackidx, 0x3, (offset), \
938 bcm43xx_ilt_read(bcm, (offset))); \
939 } while (0)
940 #define ilt_stackrestore(offset) \
941 do { \
942 bcm43xx_ilt_write(bcm, (offset), \
943 _stack_restore(stack, 0x3, \
944 (offset))); \
945 } while (0)
946
947 static void
948 bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm,
949 int mode)
950 {
951 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
952 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
953 u16 tmp, flipped;
954 u32 tmp32;
955 size_t stackidx = 0;
956 u32 *stack = radio->interfstack;
957
958 switch (mode) {
959 case BCM43xx_RADIO_INTERFMODE_NONWLAN:
960 if (phy->rev != 1) {
961 bcm43xx_phy_write(bcm, 0x042B,
962 bcm43xx_phy_read(bcm, 0x042B) | 0x0800);
963 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
964 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & ~0x4000);
965 break;
966 }
967 radio_stacksave(0x0078);
968 tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E);
969 flipped = flip_4bit(tmp);
970 if (flipped < 10 && flipped >= 8)
971 flipped = 7;
972 else if (flipped >= 10)
973 flipped -= 3;
974 flipped = flip_4bit(flipped);
975 flipped = (flipped << 1) | 0x0020;
976 bcm43xx_radio_write16(bcm, 0x0078, flipped);
977
978 bcm43xx_calc_nrssi_threshold(bcm);
979
980 phy_stacksave(0x0406);
981 bcm43xx_phy_write(bcm, 0x0406, 0x7E28);
982
983 bcm43xx_phy_write(bcm, 0x042B,
984 bcm43xx_phy_read(bcm, 0x042B) | 0x0800);
985 bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
986 bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | 0x1000);
987
988 phy_stacksave(0x04A0);
989 bcm43xx_phy_write(bcm, 0x04A0,
990 (bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008);
991 phy_stacksave(0x04A1);
992 bcm43xx_phy_write(bcm, 0x04A1,
993 (bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605);
994 phy_stacksave(0x04A2);
995 bcm43xx_phy_write(bcm, 0x04A2,
996 (bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204);
997 phy_stacksave(0x04A8);
998 bcm43xx_phy_write(bcm, 0x04A8,
999 (bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0803);
1000 phy_stacksave(0x04AB);
1001 bcm43xx_phy_write(bcm, 0x04AB,
1002 (bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0605);
1003
1004 phy_stacksave(0x04A7);
1005 bcm43xx_phy_write(bcm, 0x04A7, 0x0002);
1006 phy_stacksave(0x04A3);
1007 bcm43xx_phy_write(bcm, 0x04A3, 0x287A);
1008 phy_stacksave(0x04A9);
1009 bcm43xx_phy_write(bcm, 0x04A9, 0x2027);
1010 phy_stacksave(0x0493);
1011 bcm43xx_phy_write(bcm, 0x0493, 0x32F5);
1012 phy_stacksave(0x04AA);
1013 bcm43xx_phy_write(bcm, 0x04AA, 0x2027);
1014 phy_stacksave(0x04AC);
1015 bcm43xx_phy_write(bcm, 0x04AC, 0x32F5);
1016 break;
1017 case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
1018 if (bcm43xx_phy_read(bcm, 0x0033) & 0x0800)
1019 break;
1020
1021 radio->aci_enable = 1;
1022
1023 phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD);
1024 phy_stacksave(BCM43xx_PHY_G_CRS);
1025 if (phy->rev < 2) {
1026 phy_stacksave(0x0406);
1027 } else {
1028 phy_stacksave(0x04C0);
1029 phy_stacksave(0x04C1);
1030 }
1031 phy_stacksave(0x0033);
1032 phy_stacksave(0x04A7);
1033 phy_stacksave(0x04A3);
1034 phy_stacksave(0x04A9);
1035 phy_stacksave(0x04AA);
1036 phy_stacksave(0x04AC);
1037 phy_stacksave(0x0493);
1038 phy_stacksave(0x04A1);
1039 phy_stacksave(0x04A0);
1040 phy_stacksave(0x04A2);
1041 phy_stacksave(0x048A);
1042 phy_stacksave(0x04A8);
1043 phy_stacksave(0x04AB);
1044 if (phy->rev == 2) {
1045 phy_stacksave(0x04AD);
1046 phy_stacksave(0x04AE);
1047 } else if (phy->rev >= 3) {
1048 phy_stacksave(0x04AD);
1049 phy_stacksave(0x0415);
1050 phy_stacksave(0x0416);
1051 phy_stacksave(0x0417);
1052 ilt_stacksave(0x1A00 + 0x2);
1053 ilt_stacksave(0x1A00 + 0x3);
1054 }
1055 phy_stacksave(0x042B);
1056 phy_stacksave(0x048C);
1057
1058 bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
1059 bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD)
1060 & ~0x1000);
1061 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
1062 (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS)
1063 & 0xFFFC) | 0x0002);
1064
1065 bcm43xx_phy_write(bcm, 0x0033, 0x0800);
1066 bcm43xx_phy_write(bcm, 0x04A3, 0x2027);
1067 bcm43xx_phy_write(bcm, 0x04A9, 0x1CA8);
1068 bcm43xx_phy_write(bcm, 0x0493, 0x287A);
1069 bcm43xx_phy_write(bcm, 0x04AA, 0x1CA8);
1070 bcm43xx_phy_write(bcm, 0x04AC, 0x287A);
1071
1072 bcm43xx_phy_write(bcm, 0x04A0,
1073 (bcm43xx_phy_read(bcm, 0x04A0)
1074 & 0xFFC0) | 0x001A);
1075 bcm43xx_phy_write(bcm, 0x04A7, 0x000D);
1076
1077 if (phy->rev < 2) {
1078 bcm43xx_phy_write(bcm, 0x0406, 0xFF0D);
1079 } else if (phy->rev == 2) {
1080 bcm43xx_phy_write(bcm, 0x04C0, 0xFFFF);
1081 bcm43xx_phy_write(bcm, 0x04C1, 0x00A9);
1082 } else {
1083 bcm43xx_phy_write(bcm, 0x04C0, 0x00C1);
1084 bcm43xx_phy_write(bcm, 0x04C1, 0x0059);
1085 }
1086
1087 bcm43xx_phy_write(bcm, 0x04A1,
1088 (bcm43xx_phy_read(bcm, 0x04A1)
1089 & 0xC0FF) | 0x1800);
1090 bcm43xx_phy_write(bcm, 0x04A1,
1091 (bcm43xx_phy_read(bcm, 0x04A1)
1092 & 0xFFC0) | 0x0015);
1093 bcm43xx_phy_write(bcm, 0x04A8,
1094 (bcm43xx_phy_read(bcm, 0x04A8)
1095 & 0xCFFF) | 0x1000);
1096 bcm43xx_phy_write(bcm, 0x04A8,
1097 (bcm43xx_phy_read(bcm, 0x04A8)
1098 & 0xF0FF) | 0x0A00);
1099 bcm43xx_phy_write(bcm, 0x04AB,
1100 (bcm43xx_phy_read(bcm, 0x04AB)
1101 & 0xCFFF) | 0x1000);
1102 bcm43xx_phy_write(bcm, 0x04AB,
1103 (bcm43xx_phy_read(bcm, 0x04AB)
1104 & 0xF0FF) | 0x0800);
1105 bcm43xx_phy_write(bcm, 0x04AB,
1106 (bcm43xx_phy_read(bcm, 0x04AB)
1107 & 0xFFCF) | 0x0010);
1108 bcm43xx_phy_write(bcm, 0x04AB,
1109 (bcm43xx_phy_read(bcm, 0x04AB)
1110 & 0xFFF0) | 0x0005);
1111 bcm43xx_phy_write(bcm, 0x04A8,
1112 (bcm43xx_phy_read(bcm, 0x04A8)
1113 & 0xFFCF) | 0x0010);
1114 bcm43xx_phy_write(bcm, 0x04A8,
1115 (bcm43xx_phy_read(bcm, 0x04A8)
1116 & 0xFFF0) | 0x0006);
1117 bcm43xx_phy_write(bcm, 0x04A2,
1118 (bcm43xx_phy_read(bcm, 0x04A2)
1119 & 0xF0FF) | 0x0800);
1120 bcm43xx_phy_write(bcm, 0x04A0,
1121 (bcm43xx_phy_read(bcm, 0x04A0)
1122 & 0xF0FF) | 0x0500);
1123 bcm43xx_phy_write(bcm, 0x04A2,
1124 (bcm43xx_phy_read(bcm, 0x04A2)
1125 & 0xFFF0) | 0x000B);
1126
1127 if (phy->rev >= 3) {
1128 bcm43xx_phy_write(bcm, 0x048A,
1129 bcm43xx_phy_read(bcm, 0x048A)
1130 & ~0x8000);
1131 bcm43xx_phy_write(bcm, 0x0415,
1132 (bcm43xx_phy_read(bcm, 0x0415)
1133 & 0x8000) | 0x36D8);
1134 bcm43xx_phy_write(bcm, 0x0416,
1135 (bcm43xx_phy_read(bcm, 0x0416)
1136 & 0x8000) | 0x36D8);
1137 bcm43xx_phy_write(bcm, 0x0417,
1138 (bcm43xx_phy_read(bcm, 0x0417)
1139 & 0xFE00) | 0x016D);
1140 } else {
1141 bcm43xx_phy_write(bcm, 0x048A,
1142 bcm43xx_phy_read(bcm, 0x048A)
1143 | 0x1000);
1144 bcm43xx_phy_write(bcm, 0x048A,
1145 (bcm43xx_phy_read(bcm, 0x048A)
1146 & 0x9FFF) | 0x2000);
1147 tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
1148 BCM43xx_UCODEFLAGS_OFFSET);
1149 if (!(tmp32 & 0x800)) {
1150 tmp32 |= 0x800;
1151 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
1152 BCM43xx_UCODEFLAGS_OFFSET,
1153 tmp32);
1154 }
1155 }
1156 if (phy->rev >= 2) {
1157 bcm43xx_phy_write(bcm, 0x042B,
1158 bcm43xx_phy_read(bcm, 0x042B)
1159 | 0x0800);
1160 }
1161 bcm43xx_phy_write(bcm, 0x048C,
1162 (bcm43xx_phy_read(bcm, 0x048C)
1163 & 0xF0FF) | 0x0200);
1164 if (phy->rev == 2) {
1165 bcm43xx_phy_write(bcm, 0x04AE,
1166 (bcm43xx_phy_read(bcm, 0x04AE)
1167 & 0xFF00) | 0x007F);
1168 bcm43xx_phy_write(bcm, 0x04AD,
1169 (bcm43xx_phy_read(bcm, 0x04AD)
1170 & 0x00FF) | 0x1300);
1171 } else if (phy->rev >= 6) {
1172 bcm43xx_ilt_write(bcm, 0x1A00 + 0x3, 0x007F);
1173 bcm43xx_ilt_write(bcm, 0x1A00 + 0x2, 0x007F);
1174 bcm43xx_phy_write(bcm, 0x04AD,
1175 bcm43xx_phy_read(bcm, 0x04AD)
1176 & 0x00FF);
1177 }
1178 bcm43xx_calc_nrssi_slope(bcm);
1179 break;
1180 default:
1181 assert(0);
1182 }
1183 }
1184
1185 static void
1186 bcm43xx_radio_interference_mitigation_disable(struct bcm43xx_private *bcm,
1187 int mode)
1188 {
1189 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1190 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1191 u32 tmp32;
1192 u32 *stack = radio->interfstack;
1193
1194 switch (mode) {
1195 case BCM43xx_RADIO_INTERFMODE_NONWLAN:
1196 if (phy->rev != 1) {
1197 bcm43xx_phy_write(bcm, 0x042B,
1198 bcm43xx_phy_read(bcm, 0x042B) & ~0x0800);
1199 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
1200 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000);
1201 break;
1202 }
1203 phy_stackrestore(0x0078);
1204 bcm43xx_calc_nrssi_threshold(bcm);
1205 phy_stackrestore(0x0406);
1206 bcm43xx_phy_write(bcm, 0x042B,
1207 bcm43xx_phy_read(bcm, 0x042B) & ~0x0800);
1208 if (!bcm->bad_frames_preempt) {
1209 bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
1210 bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD)
1211 & ~(1 << 11));
1212 }
1213 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
1214 bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000);
1215 phy_stackrestore(0x04A0);
1216 phy_stackrestore(0x04A1);
1217 phy_stackrestore(0x04A2);
1218 phy_stackrestore(0x04A8);
1219 phy_stackrestore(0x04AB);
1220 phy_stackrestore(0x04A7);
1221 phy_stackrestore(0x04A3);
1222 phy_stackrestore(0x04A9);
1223 phy_stackrestore(0x0493);
1224 phy_stackrestore(0x04AA);
1225 phy_stackrestore(0x04AC);
1226 break;
1227 case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
1228 if (!(bcm43xx_phy_read(bcm, 0x0033) & 0x0800))
1229 break;
1230
1231 radio->aci_enable = 0;
1232
1233 phy_stackrestore(BCM43xx_PHY_RADIO_BITFIELD);
1234 phy_stackrestore(BCM43xx_PHY_G_CRS);
1235 phy_stackrestore(0x0033);
1236 phy_stackrestore(0x04A3);
1237 phy_stackrestore(0x04A9);
1238 phy_stackrestore(0x0493);
1239 phy_stackrestore(0x04AA);
1240 phy_stackrestore(0x04AC);
1241 phy_stackrestore(0x04A0);
1242 phy_stackrestore(0x04A7);
1243 if (phy->rev >= 2) {
1244 phy_stackrestore(0x04C0);
1245 phy_stackrestore(0x04C1);
1246 } else
1247 phy_stackrestore(0x0406);
1248 phy_stackrestore(0x04A1);
1249 phy_stackrestore(0x04AB);
1250 phy_stackrestore(0x04A8);
1251 if (phy->rev == 2) {
1252 phy_stackrestore(0x04AD);
1253 phy_stackrestore(0x04AE);
1254 } else if (phy->rev >= 3) {
1255 phy_stackrestore(0x04AD);
1256 phy_stackrestore(0x0415);
1257 phy_stackrestore(0x0416);
1258 phy_stackrestore(0x0417);
1259 ilt_stackrestore(0x1A00 + 0x2);
1260 ilt_stackrestore(0x1A00 + 0x3);
1261 }
1262 phy_stackrestore(0x04A2);
1263 phy_stackrestore(0x04A8);
1264 phy_stackrestore(0x042B);
1265 phy_stackrestore(0x048C);
1266 tmp32 = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
1267 BCM43xx_UCODEFLAGS_OFFSET);
1268 if (tmp32 & 0x800) {
1269 tmp32 &= ~0x800;
1270 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
1271 BCM43xx_UCODEFLAGS_OFFSET,
1272 tmp32);
1273 }
1274 bcm43xx_calc_nrssi_slope(bcm);
1275 break;
1276 default:
1277 assert(0);
1278 }
1279 }
1280
1281 #undef phy_stacksave
1282 #undef phy_stackrestore
1283 #undef radio_stacksave
1284 #undef radio_stackrestore
1285 #undef ilt_stacksave
1286 #undef ilt_stackrestore
1287
1288 int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm,
1289 int mode)
1290 {
1291 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1292 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1293 int currentmode;
1294
1295 if ((phy->type != BCM43xx_PHYTYPE_G) ||
1296 (phy->rev == 0) ||
1297 (!phy->connected))
1298 return -ENODEV;
1299
1300 radio->aci_wlan_automatic = 0;
1301 switch (mode) {
1302 case BCM43xx_RADIO_INTERFMODE_AUTOWLAN:
1303 radio->aci_wlan_automatic = 1;
1304 if (radio->aci_enable)
1305 mode = BCM43xx_RADIO_INTERFMODE_MANUALWLAN;
1306 else
1307 mode = BCM43xx_RADIO_INTERFMODE_NONE;
1308 break;
1309 case BCM43xx_RADIO_INTERFMODE_NONE:
1310 case BCM43xx_RADIO_INTERFMODE_NONWLAN:
1311 case BCM43xx_RADIO_INTERFMODE_MANUALWLAN:
1312 break;
1313 default:
1314 return -EINVAL;
1315 }
1316
1317 currentmode = radio->interfmode;
1318 if (currentmode == mode)
1319 return 0;
1320 if (currentmode != BCM43xx_RADIO_INTERFMODE_NONE)
1321 bcm43xx_radio_interference_mitigation_disable(bcm, currentmode);
1322
1323 if (mode == BCM43xx_RADIO_INTERFMODE_NONE) {
1324 radio->aci_enable = 0;
1325 radio->aci_hw_rssi = 0;
1326 } else
1327 bcm43xx_radio_interference_mitigation_enable(bcm, mode);
1328 radio->interfmode = mode;
1329
1330 return 0;
1331 }
1332
1333 u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm)
1334 {
1335 u16 reg, index, ret;
1336
1337 reg = bcm43xx_radio_read16(bcm, 0x0060);
1338 index = (reg & 0x001E) >> 1;
1339 ret = rcc_table[index] << 1;
1340 ret |= (reg & 0x0001);
1341 ret |= 0x0020;
1342
1343 return ret;
1344 }
1345
1346 u16 bcm43xx_radio_init2050(struct bcm43xx_private *bcm)
1347 {
1348 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1349 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1350 u16 backup[19] = { 0 };
1351 u16 ret;
1352 u16 i, j;
1353 u32 tmp1 = 0, tmp2 = 0;
1354
1355 backup[0] = bcm43xx_radio_read16(bcm, 0x0043);
1356 backup[14] = bcm43xx_radio_read16(bcm, 0x0051);
1357 backup[15] = bcm43xx_radio_read16(bcm, 0x0052);
1358 backup[1] = bcm43xx_phy_read(bcm, 0x0015);
1359 backup[16] = bcm43xx_phy_read(bcm, 0x005A);
1360 backup[17] = bcm43xx_phy_read(bcm, 0x0059);
1361 backup[18] = bcm43xx_phy_read(bcm, 0x0058);
1362 if (phy->type == BCM43xx_PHYTYPE_B) {
1363 backup[2] = bcm43xx_phy_read(bcm, 0x0030);
1364 backup[3] = bcm43xx_read16(bcm, 0x03EC);
1365 bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
1366 bcm43xx_write16(bcm, 0x03EC, 0x3F3F);
1367 } else {
1368 if (phy->connected) {
1369 backup[4] = bcm43xx_phy_read(bcm, 0x0811);
1370 backup[5] = bcm43xx_phy_read(bcm, 0x0812);
1371 backup[6] = bcm43xx_phy_read(bcm, 0x0814);
1372 backup[7] = bcm43xx_phy_read(bcm, 0x0815);
1373 backup[8] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS);
1374 backup[9] = bcm43xx_phy_read(bcm, 0x0802);
1375 bcm43xx_phy_write(bcm, 0x0814,
1376 (bcm43xx_phy_read(bcm, 0x0814) | 0x0003));
1377 bcm43xx_phy_write(bcm, 0x0815,
1378 (bcm43xx_phy_read(bcm, 0x0815) & 0xFFFC));
1379 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
1380 (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0x7FFF));
1381 bcm43xx_phy_write(bcm, 0x0802,
1382 (bcm43xx_phy_read(bcm, 0x0802) & 0xFFFC));
1383 bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
1384 bcm43xx_phy_write(bcm, 0x0812, 0x0FB2);
1385 }
1386 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO,
1387 (bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) | 0x8000));
1388 }
1389 backup[10] = bcm43xx_phy_read(bcm, 0x0035);
1390 bcm43xx_phy_write(bcm, 0x0035,
1391 (bcm43xx_phy_read(bcm, 0x0035) & 0xFF7F));
1392 backup[11] = bcm43xx_read16(bcm, 0x03E6);
1393 backup[12] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
1394
1395 // Initialization
1396 if (phy->version == 0) {
1397 bcm43xx_write16(bcm, 0x03E6, 0x0122);
1398 } else {
1399 if (phy->version >= 2)
1400 bcm43xx_write16(bcm, 0x03E6, 0x0040);
1401 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
1402 (bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) | 0x2000));
1403 }
1404
1405 ret = bcm43xx_radio_calibrationvalue(bcm);
1406
1407 if (phy->type == BCM43xx_PHYTYPE_B)
1408 bcm43xx_radio_write16(bcm, 0x0078, 0x0003);
1409
1410 bcm43xx_phy_write(bcm, 0x0015, 0xBFAF);
1411 bcm43xx_phy_write(bcm, 0x002B, 0x1403);
1412 if (phy->connected)
1413 bcm43xx_phy_write(bcm, 0x0812, 0x00B2);
1414 bcm43xx_phy_write(bcm, 0x0015, 0xBFA0);
1415 bcm43xx_radio_write16(bcm, 0x0051,
1416 (bcm43xx_radio_read16(bcm, 0x0051) | 0x0004));
1417 bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
1418 bcm43xx_radio_write16(bcm, 0x0043,
1419 bcm43xx_radio_read16(bcm, 0x0043) | 0x0009);
1420 bcm43xx_phy_write(bcm, 0x0058, 0x0000);
1421
1422 for (i = 0; i < 16; i++) {
1423 bcm43xx_phy_write(bcm, 0x005A, 0x0480);
1424 bcm43xx_phy_write(bcm, 0x0059, 0xC810);
1425 bcm43xx_phy_write(bcm, 0x0058, 0x000D);
1426 if (phy->connected)
1427 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1428 bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
1429 udelay(10);
1430 if (phy->connected)
1431 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1432 bcm43xx_phy_write(bcm, 0x0015, 0xEFB0);
1433 udelay(10);
1434 if (phy->connected)
1435 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1436 bcm43xx_phy_write(bcm, 0x0015, 0xFFF0);
1437 udelay(10);
1438 tmp1 += bcm43xx_phy_read(bcm, 0x002D);
1439 bcm43xx_phy_write(bcm, 0x0058, 0x0000);
1440 if (phy->connected)
1441 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1442 bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
1443 }
1444
1445 tmp1++;
1446 tmp1 >>= 9;
1447 udelay(10);
1448 bcm43xx_phy_write(bcm, 0x0058, 0x0000);
1449
1450 for (i = 0; i < 16; i++) {
1451 bcm43xx_radio_write16(bcm, 0x0078, (flip_4bit(i) << 1) | 0x0020);
1452 backup[13] = bcm43xx_radio_read16(bcm, 0x0078);
1453 udelay(10);
1454 for (j = 0; j < 16; j++) {
1455 bcm43xx_phy_write(bcm, 0x005A, 0x0D80);
1456 bcm43xx_phy_write(bcm, 0x0059, 0xC810);
1457 bcm43xx_phy_write(bcm, 0x0058, 0x000D);
1458 if (phy->connected)
1459 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1460 bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
1461 udelay(10);
1462 if (phy->connected)
1463 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1464 bcm43xx_phy_write(bcm, 0x0015, 0xEFB0);
1465 udelay(10);
1466 if (phy->connected)
1467 bcm43xx_phy_write(bcm, 0x0812, 0x30B3); /* 0x30B3 is not a typo */
1468 bcm43xx_phy_write(bcm, 0x0015, 0xFFF0);
1469 udelay(10);
1470 tmp2 += bcm43xx_phy_read(bcm, 0x002D);
1471 bcm43xx_phy_write(bcm, 0x0058, 0x0000);
1472 if (phy->connected)
1473 bcm43xx_phy_write(bcm, 0x0812, 0x30B2);
1474 bcm43xx_phy_write(bcm, 0x0015, 0xAFB0);
1475 }
1476 tmp2++;
1477 tmp2 >>= 8;
1478 if (tmp1 < tmp2)
1479 break;
1480 }
1481
1482 /* Restore the registers */
1483 bcm43xx_phy_write(bcm, 0x0015, backup[1]);
1484 bcm43xx_radio_write16(bcm, 0x0051, backup[14]);
1485 bcm43xx_radio_write16(bcm, 0x0052, backup[15]);
1486 bcm43xx_radio_write16(bcm, 0x0043, backup[0]);
1487 bcm43xx_phy_write(bcm, 0x005A, backup[16]);
1488 bcm43xx_phy_write(bcm, 0x0059, backup[17]);
1489 bcm43xx_phy_write(bcm, 0x0058, backup[18]);
1490 bcm43xx_write16(bcm, 0x03E6, backup[11]);
1491 if (phy->version != 0)
1492 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, backup[12]);
1493 bcm43xx_phy_write(bcm, 0x0035, backup[10]);
1494 bcm43xx_radio_selectchannel(bcm, radio->channel, 1);
1495 if (phy->type == BCM43xx_PHYTYPE_B) {
1496 bcm43xx_phy_write(bcm, 0x0030, backup[2]);
1497 bcm43xx_write16(bcm, 0x03EC, backup[3]);
1498 } else {
1499 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO,
1500 (bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_RADIO) & 0x7FFF));
1501 if (phy->connected) {
1502 bcm43xx_phy_write(bcm, 0x0811, backup[4]);
1503 bcm43xx_phy_write(bcm, 0x0812, backup[5]);
1504 bcm43xx_phy_write(bcm, 0x0814, backup[6]);
1505 bcm43xx_phy_write(bcm, 0x0815, backup[7]);
1506 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, backup[8]);
1507 bcm43xx_phy_write(bcm, 0x0802, backup[9]);
1508 }
1509 }
1510 if (i >= 15)
1511 ret = backup[13];
1512
1513 return ret;
1514 }
1515
1516 void bcm43xx_radio_init2060(struct bcm43xx_private *bcm)
1517 {
1518 int err;
1519
1520 bcm43xx_radio_write16(bcm, 0x0004, 0x00C0);
1521 bcm43xx_radio_write16(bcm, 0x0005, 0x0008);
1522 bcm43xx_radio_write16(bcm, 0x0009, 0x0040);
1523 bcm43xx_radio_write16(bcm, 0x0005, 0x00AA);
1524 bcm43xx_radio_write16(bcm, 0x0032, 0x008F);
1525 bcm43xx_radio_write16(bcm, 0x0006, 0x008F);
1526 bcm43xx_radio_write16(bcm, 0x0034, 0x008F);
1527 bcm43xx_radio_write16(bcm, 0x002C, 0x0007);
1528 bcm43xx_radio_write16(bcm, 0x0082, 0x0080);
1529 bcm43xx_radio_write16(bcm, 0x0080, 0x0000);
1530 bcm43xx_radio_write16(bcm, 0x003F, 0x00DA);
1531 bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008);
1532 bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0010);
1533 bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020);
1534 bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020);
1535 udelay(400);
1536
1537 bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0020) | 0x0010);
1538 udelay(400);
1539
1540 bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008) | 0x0008);
1541 bcm43xx_radio_write16(bcm, 0x0085, bcm43xx_radio_read16(bcm, 0x0085) & ~0x0010);
1542 bcm43xx_radio_write16(bcm, 0x0005, bcm43xx_radio_read16(bcm, 0x0005) & ~0x0008);
1543 bcm43xx_radio_write16(bcm, 0x0081, bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040);
1544 bcm43xx_radio_write16(bcm, 0x0081, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0040) | 0x0040);
1545 bcm43xx_radio_write16(bcm, 0x0005, (bcm43xx_radio_read16(bcm, 0x0081) & ~0x0008) | 0x0008);
1546 bcm43xx_phy_write(bcm, 0x0063, 0xDDC6);
1547 bcm43xx_phy_write(bcm, 0x0069, 0x07BE);
1548 bcm43xx_phy_write(bcm, 0x006A, 0x0000);
1549
1550 err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_A, 0);
1551 assert(err == 0);
1552 udelay(1000);
1553 }
1554
1555 static inline
1556 u16 freq_r3A_value(u16 frequency)
1557 {
1558 u16 value;
1559
1560 if (frequency < 5091)
1561 value = 0x0040;
1562 else if (frequency < 5321)
1563 value = 0x0000;
1564 else if (frequency < 5806)
1565 value = 0x0080;
1566 else
1567 value = 0x0040;
1568
1569 return value;
1570 }
1571
1572 void bcm43xx_radio_set_tx_iq(struct bcm43xx_private *bcm)
1573 {
1574 static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
1575 static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
1576 u16 tmp = bcm43xx_radio_read16(bcm, 0x001E);
1577 int i, j;
1578
1579 for (i = 0; i < 5; i++) {
1580 for (j = 0; j < 5; j++) {
1581 if (tmp == (data_high[i] << 4 | data_low[j])) {
1582 bcm43xx_phy_write(bcm, 0x0069, (i - j) << 8 | 0x00C0);
1583 return;
1584 }
1585 }
1586 }
1587 }
1588
1589 int bcm43xx_radio_selectchannel(struct bcm43xx_private *bcm,
1590 u8 channel,
1591 int synthetic_pu_workaround)
1592 {
1593 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1594 u16 r8, tmp;
1595 u16 freq;
1596
1597 if (!ieee80211_is_valid_channel(bcm->ieee, channel))
1598 return -EINVAL;
1599 if ((radio->manufact == 0x17F) &&
1600 (radio->version == 0x2060) &&
1601 (radio->revision == 1)) {
1602 freq = channel2freq_a(channel);
1603
1604 r8 = bcm43xx_radio_read16(bcm, 0x0008);
1605 bcm43xx_write16(bcm, 0x03F0, freq);
1606 bcm43xx_radio_write16(bcm, 0x0008, r8);
1607
1608 TODO();//TODO: write max channel TX power? to Radio 0x2D
1609 tmp = bcm43xx_radio_read16(bcm, 0x002E);
1610 tmp &= 0x0080;
1611 TODO();//TODO: OR tmp with the Power out estimation for this channel?
1612 bcm43xx_radio_write16(bcm, 0x002E, tmp);
1613
1614 if (freq >= 4920 && freq <= 5500) {
1615 /*
1616 * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
1617 * = (freq * 0.025862069
1618 */
1619 r8 = 3 * freq / 116; /* is equal to r8 = freq * 0.025862 */
1620 }
1621 bcm43xx_radio_write16(bcm, 0x0007, (r8 << 4) | r8);
1622 bcm43xx_radio_write16(bcm, 0x0020, (r8 << 4) | r8);
1623 bcm43xx_radio_write16(bcm, 0x0021, (r8 << 4) | r8);
1624 bcm43xx_radio_write16(bcm, 0x0022,
1625 (bcm43xx_radio_read16(bcm, 0x0022)
1626 & 0x000F) | (r8 << 4));
1627 bcm43xx_radio_write16(bcm, 0x002A, (r8 << 4));
1628 bcm43xx_radio_write16(bcm, 0x002B, (r8 << 4));
1629 bcm43xx_radio_write16(bcm, 0x0008,
1630 (bcm43xx_radio_read16(bcm, 0x0008)
1631 & 0x00F0) | (r8 << 4));
1632 bcm43xx_radio_write16(bcm, 0x0029,
1633 (bcm43xx_radio_read16(bcm, 0x0029)
1634 & 0xFF0F) | 0x00B0);
1635 bcm43xx_radio_write16(bcm, 0x0035, 0x00AA);
1636 bcm43xx_radio_write16(bcm, 0x0036, 0x0085);
1637 bcm43xx_radio_write16(bcm, 0x003A,
1638 (bcm43xx_radio_read16(bcm, 0x003A)
1639 & 0xFF20) | freq_r3A_value(freq));
1640 bcm43xx_radio_write16(bcm, 0x003D,
1641 bcm43xx_radio_read16(bcm, 0x003D) & 0x00FF);
1642 bcm43xx_radio_write16(bcm, 0x0081,
1643 (bcm43xx_radio_read16(bcm, 0x0081)
1644 & 0xFF7F) | 0x0080);
1645 bcm43xx_radio_write16(bcm, 0x0035,
1646 bcm43xx_radio_read16(bcm, 0x0035) & 0xFFEF);
1647 bcm43xx_radio_write16(bcm, 0x0035,
1648 (bcm43xx_radio_read16(bcm, 0x0035)
1649 & 0xFFEF) | 0x0010);
1650 bcm43xx_radio_set_tx_iq(bcm);
1651 TODO(); //TODO: TSSI2dbm workaround
1652 bcm43xx_phy_xmitpower(bcm);//FIXME correct?
1653 } else {
1654 if (synthetic_pu_workaround)
1655 bcm43xx_synth_pu_workaround(bcm, channel);
1656
1657 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL,
1658 channel2freq_bg(channel));
1659
1660 if (channel == 14) {
1661 if (bcm->sprom.locale == BCM43xx_LOCALE_JAPAN) {
1662 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
1663 BCM43xx_UCODEFLAGS_OFFSET,
1664 bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
1665 BCM43xx_UCODEFLAGS_OFFSET)
1666 & ~(1 << 7));
1667 } else {
1668 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
1669 BCM43xx_UCODEFLAGS_OFFSET,
1670 bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
1671 BCM43xx_UCODEFLAGS_OFFSET)
1672 | (1 << 7));
1673 }
1674 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
1675 bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT)
1676 | (1 << 11));
1677 } else {
1678 bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT,
1679 bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT)
1680 & 0xF7BF);
1681 }
1682 }
1683
1684 radio->channel = channel;
1685 //XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states
1686 // that 2000 usecs might suffice.
1687 udelay(8000);
1688
1689 return 0;
1690 }
1691
1692 void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val)
1693 {
1694 u16 tmp;
1695
1696 val <<= 8;
1697 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0022) & 0xFCFF;
1698 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0022, tmp | val);
1699 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x03A8) & 0xFCFF;
1700 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x03A8, tmp | val);
1701 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0054) & 0xFCFF;
1702 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0054, tmp | val);
1703 }
1704
1705 /* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */
1706 static u16 bcm43xx_get_txgain_base_band(u16 txpower)
1707 {
1708 u16 ret;
1709
1710 assert(txpower <= 63);
1711
1712 if (txpower >= 54)
1713 ret = 2;
1714 else if (txpower >= 49)
1715 ret = 4;
1716 else if (txpower >= 44)
1717 ret = 5;
1718 else
1719 ret = 6;
1720
1721 return ret;
1722 }
1723
1724 /* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */
1725 static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower)
1726 {
1727 u16 ret;
1728
1729 assert(txpower <= 63);
1730
1731 if (txpower >= 32)
1732 ret = 0;
1733 else if (txpower >= 25)
1734 ret = 1;
1735 else if (txpower >= 20)
1736 ret = 2;
1737 else if (txpower >= 12)
1738 ret = 3;
1739 else
1740 ret = 4;
1741
1742 return ret;
1743 }
1744
1745 /* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */
1746 static u16 bcm43xx_get_txgain_dac(u16 txpower)
1747 {
1748 u16 ret;
1749
1750 assert(txpower <= 63);
1751
1752 if (txpower >= 54)
1753 ret = txpower - 53;
1754 else if (txpower >= 49)
1755 ret = txpower - 42;
1756 else if (txpower >= 44)
1757 ret = txpower - 37;
1758 else if (txpower >= 32)
1759 ret = txpower - 32;
1760 else if (txpower >= 25)
1761 ret = txpower - 20;
1762 else if (txpower >= 20)
1763 ret = txpower - 13;
1764 else if (txpower >= 12)
1765 ret = txpower - 8;
1766 else
1767 ret = txpower;
1768
1769 return ret;
1770 }
1771
1772 void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower)
1773 {
1774 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1775 u16 pamp, base, dac, ilt;
1776
1777 txpower = limit_value(txpower, 0, 63);
1778
1779 pamp = bcm43xx_get_txgain_freq_power_amp(txpower);
1780 pamp <<= 5;
1781 pamp &= 0x00E0;
1782 bcm43xx_phy_write(bcm, 0x0019, pamp);
1783
1784 base = bcm43xx_get_txgain_base_band(txpower);
1785 base &= 0x000F;
1786 bcm43xx_phy_write(bcm, 0x0017, base | 0x0020);
1787
1788 ilt = bcm43xx_ilt_read(bcm, 0x3001);
1789 ilt &= 0x0007;
1790
1791 dac = bcm43xx_get_txgain_dac(txpower);
1792 dac <<= 3;
1793 dac |= ilt;
1794
1795 bcm43xx_ilt_write(bcm, 0x3001, dac);
1796
1797 radio->txpwr_offset = txpower;
1798
1799 TODO();
1800 //TODO: FuncPlaceholder (Adjust BB loft cancel)
1801 }
1802
1803 void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm,
1804 u16 baseband_attenuation, u16 radio_attenuation,
1805 u16 txpower)
1806 {
1807 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1808 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1809
1810 if (baseband_attenuation == 0xFFFF)
1811 baseband_attenuation = radio->baseband_atten;
1812 if (radio_attenuation == 0xFFFF)
1813 radio_attenuation = radio->radio_atten;
1814 if (txpower == 0xFFFF)
1815 txpower = radio->txctl1;
1816 radio->baseband_atten = baseband_attenuation;
1817 radio->radio_atten = radio_attenuation;
1818 radio->txctl1 = txpower;
1819
1820 assert(/*baseband_attenuation >= 0 &&*/ baseband_attenuation <= 11);
1821 if (radio->revision < 6)
1822 assert(/*radio_attenuation >= 0 &&*/ radio_attenuation <= 9);
1823 else
1824 assert(/* radio_attenuation >= 0 &&*/ radio_attenuation <= 31);
1825 assert(/*txpower >= 0 &&*/ txpower <= 7);
1826
1827 bcm43xx_phy_set_baseband_attenuation(bcm, baseband_attenuation);
1828 bcm43xx_radio_write16(bcm, 0x0043, radio_attenuation);
1829 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0064, radio_attenuation);
1830 if (radio->version == 0x2050) {
1831 bcm43xx_radio_write16(bcm, 0x0052,
1832 (bcm43xx_radio_read16(bcm, 0x0052) & ~0x0070)
1833 | ((txpower << 4) & 0x0070));
1834 }
1835 //FIXME: The spec is very weird and unclear here.
1836 if (phy->type == BCM43xx_PHYTYPE_G)
1837 bcm43xx_phy_lo_adjust(bcm, 0);
1838 }
1839
1840 u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm)
1841 {
1842 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1843
1844 if (radio->version == 0x2050 && radio->revision < 6)
1845 return 0;
1846 return 2;
1847 }
1848
1849 u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm)
1850 {
1851 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1852 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1853 u16 att = 0xFFFF;
1854
1855 if (phy->type == BCM43xx_PHYTYPE_A)
1856 return 0x60;
1857
1858 switch (radio->version) {
1859 case 0x2053:
1860 switch (radio->revision) {
1861 case 1:
1862 att = 6;
1863 break;
1864 }
1865 break;
1866 case 0x2050:
1867 switch (radio->revision) {
1868 case 0:
1869 att = 5;
1870 break;
1871 case 1:
1872 if (phy->type == BCM43xx_PHYTYPE_G) {
1873 if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
1874 bcm->board_type == 0x421 &&
1875 bcm->board_revision >= 30)
1876 att = 3;
1877 else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
1878 bcm->board_type == 0x416)
1879 att = 3;
1880 else
1881 att = 1;
1882 } else {
1883 if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
1884 bcm->board_type == 0x421 &&
1885 bcm->board_revision >= 30)
1886 att = 7;
1887 else
1888 att = 6;
1889 }
1890 break;
1891 case 2:
1892 if (phy->type == BCM43xx_PHYTYPE_G) {
1893 if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
1894 bcm->board_type == 0x421 &&
1895 bcm->board_revision >= 30)
1896 att = 3;
1897 else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
1898 bcm->board_type == 0x416)
1899 att = 5;
1900 else if (bcm->chip_id == 0x4320)
1901 att = 4;
1902 else
1903 att = 3;
1904 } else
1905 att = 6;
1906 break;
1907 case 3:
1908 att = 5;
1909 break;
1910 case 4:
1911 case 5:
1912 att = 1;
1913 break;
1914 case 6:
1915 case 7:
1916 att = 5;
1917 break;
1918 case 8:
1919 att = 0x1A;
1920 break;
1921 case 9:
1922 default:
1923 att = 5;
1924 }
1925 }
1926 if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM &&
1927 bcm->board_type == 0x421) {
1928 if (bcm->board_revision < 0x43)
1929 att = 2;
1930 else if (bcm->board_revision < 0x51)
1931 att = 3;
1932 }
1933 if (att == 0xFFFF)
1934 att = 5;
1935
1936 return att;
1937 }
1938
1939 u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm)
1940 {
1941 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1942
1943 if (radio->version != 0x2050)
1944 return 0;
1945 if (radio->revision == 1)
1946 return 3;
1947 if (radio->revision < 6)
1948 return 2;
1949 if (radio->revision == 8)
1950 return 1;
1951 return 0;
1952 }
1953
1954 void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm)
1955 {
1956 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1957 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1958 int err;
1959
1960 if (radio->enabled)
1961 return;
1962
1963 switch (phy->type) {
1964 case BCM43xx_PHYTYPE_A:
1965 bcm43xx_radio_write16(bcm, 0x0004, 0x00C0);
1966 bcm43xx_radio_write16(bcm, 0x0005, 0x0008);
1967 bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) & 0xFFF7);
1968 bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) & 0xFFF7);
1969 bcm43xx_radio_init2060(bcm);
1970 break;
1971 case BCM43xx_PHYTYPE_B:
1972 case BCM43xx_PHYTYPE_G:
1973 bcm43xx_phy_write(bcm, 0x0015, 0x8000);
1974 bcm43xx_phy_write(bcm, 0x0015, 0xCC00);
1975 bcm43xx_phy_write(bcm, 0x0015, (phy->connected ? 0x00C0 : 0x0000));
1976 err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 1);
1977 assert(err == 0);
1978 break;
1979 default:
1980 assert(0);
1981 }
1982 radio->enabled = 1;
1983 dprintk(KERN_INFO PFX "Radio turned on\n");
1984 }
1985
1986 void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm)
1987 {
1988 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1989 struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1990
1991 if (phy->type == BCM43xx_PHYTYPE_A) {
1992 bcm43xx_radio_write16(bcm, 0x0004, 0x00FF);
1993 bcm43xx_radio_write16(bcm, 0x0005, 0x00FB);
1994 bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) | 0x0008);
1995 bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) | 0x0008);
1996 }
1997 if (phy->type == BCM43xx_PHYTYPE_G && bcm->current_core->rev >= 5) {
1998 bcm43xx_phy_write(bcm, 0x0811, bcm43xx_phy_read(bcm, 0x0811) | 0x008C);
1999 bcm43xx_phy_write(bcm, 0x0812, bcm43xx_phy_read(bcm, 0x0812) & 0xFF73);
2000 } else
2001 bcm43xx_phy_write(bcm, 0x0015, 0xAA00);
2002 radio->enabled = 0;
2003 dprintk(KERN_INFO PFX "Radio turned off\n");
2004 }
2005
2006 void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm)
2007 {
2008 struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2009
2010 switch (phy->type) {
2011 case BCM43xx_PHYTYPE_A:
2012 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F);
2013 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F);
2014 break;
2015 case BCM43xx_PHYTYPE_B:
2016 case BCM43xx_PHYTYPE_G:
2017 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F);
2018 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F);
2019 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F);
2020 bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F);
2021 break;
2022 }
2023 }
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