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f222313a JL |
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); | |
73733847 | 100 | mmiowb(); |
f222313a JL |
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); | |
73733847 | 112 | mmiowb(); |
f222313a JL |
113 | } |
114 | ||
115 | u16 bcm43xx_radio_read16(struct bcm43xx_private *bcm, u16 offset) | |
116 | { | |
e9357c05 MB |
117 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
118 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
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); | |
73733847 | 147 | mmiowb(); |
f222313a JL |
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 | { | |
e9357c05 | 154 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
f222313a JL |
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++) | |
73733847 | 167 | bcm43xx_ilt_write(bcm, offset + i, first); |
f222313a JL |
168 | |
169 | for (i = start; i < end; i++) | |
73733847 | 170 | bcm43xx_ilt_write(bcm, offset + i, second); |
f222313a JL |
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 | { | |
e9357c05 | 186 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
f222313a JL |
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 | ||
73733847 | 202 | bcm43xx_ilt_write(bcm, offset + i, tmp); |
f222313a JL |
203 | } |
204 | ||
205 | for (i = start; i < end; i++) | |
73733847 | 206 | bcm43xx_ilt_write(bcm, offset + i, i - start); |
f222313a JL |
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 | { | |
e9357c05 | 220 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
f222313a JL |
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 | { | |
e9357c05 | 241 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
f222313a JL |
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 | { | |
e9357c05 MB |
272 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
273 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
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); | |
73733847 | 322 | mmiowb(); |
f222313a JL |
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 | { | |
e9357c05 | 354 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
f222313a JL |
355 | s16 i, delta; |
356 | s32 tmp; | |
357 | ||
e9357c05 | 358 | delta = 0x1F - radio->nrssi[0]; |
f222313a | 359 | for (i = 0; i < 64; i++) { |
e9357c05 | 360 | tmp = (i - delta) * radio->nrssislope; |
f222313a JL |
361 | tmp /= 0x10000; |
362 | tmp += 0x3A; | |
363 | tmp = limit_value(tmp, 0, 0x3F); | |
e9357c05 | 364 | radio->nrssi_lt[i] = tmp; |
f222313a JL |
365 | } |
366 | } | |
367 | ||
368 | static void bcm43xx_calc_nrssi_offset(struct bcm43xx_private *bcm) | |
369 | { | |
e9357c05 | 370 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
f222313a JL |
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); | |
ea72ab22 MB |
475 | bcm43xx_radio_write16(bcm, 0x007A, |
476 | bcm43xx_radio_read16(bcm, 0x007A) | 0x000F); | |
f222313a JL |
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 | { | |
e9357c05 MB |
535 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
536 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
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: | |
f222313a JL |
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); | |
ea72ab22 MB |
765 | bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
766 | bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x8000); | |
f222313a JL |
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 | { | |
e9357c05 MB |
783 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
784 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
cf017e1b | 785 | s32 threshold; |
f222313a | 786 | s32 a, b; |
f222313a JL |
787 | s16 tmp16; |
788 | u16 tmp_u16; | |
789 | ||
790 | switch (phy->type) { | |
791 | case BCM43xx_PHYTYPE_B: { | |
f222313a JL |
792 | if (radio->version != 0x2050) |
793 | return; | |
794 | if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) | |
795 | return; | |
796 | ||
cf017e1b MB |
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 | |
e9357c05 | 802 | threshold = radio->nrssi[1] - 5; |
cf017e1b | 803 | |
f222313a JL |
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 | ||
cf017e1b | 808 | if (radio->revision >= 6) { |
f222313a JL |
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 { | |
cf017e1b MB |
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; | |
f222313a | 842 | } else { |
cf017e1b MB |
843 | a = 0xE; |
844 | b = 0x11; | |
f222313a | 845 | } |
f222313a | 846 | |
cf017e1b MB |
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; | |
f222313a | 854 | a = limit_value(a, -31, 31); |
cf017e1b MB |
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; | |
f222313a JL |
863 | b = limit_value(b, -31, 31); |
864 | ||
865 | tmp_u16 = bcm43xx_phy_read(bcm, 0x048A) & 0xF000; | |
cf017e1b MB |
866 | tmp_u16 |= ((u32)b & 0x0000003F); |
867 | tmp_u16 |= (((u32)a & 0x0000003F) << 6); | |
f222313a JL |
868 | bcm43xx_phy_write(bcm, 0x048A, tmp_u16); |
869 | } | |
870 | break; | |
871 | default: | |
872 | assert(0); | |
873 | } | |
874 | } | |
875 | ||
e382c234 MB |
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) \ | |
f222313a | 914 | do { \ |
e382c234 MB |
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))); \ | |
f222313a | 945 | } while (0) |
f222313a JL |
946 | |
947 | static void | |
948 | bcm43xx_radio_interference_mitigation_enable(struct bcm43xx_private *bcm, | |
949 | int mode) | |
950 | { | |
e9357c05 MB |
951 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
952 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a | 953 | u16 tmp, flipped; |
e382c234 MB |
954 | u32 tmp32; |
955 | size_t stackidx = 0; | |
956 | u32 *stack = radio->interfstack; | |
f222313a JL |
957 | |
958 | switch (mode) { | |
959 | case BCM43xx_RADIO_INTERFMODE_NONWLAN: | |
960 | if (phy->rev != 1) { | |
961 | bcm43xx_phy_write(bcm, 0x042B, | |
e382c234 | 962 | bcm43xx_phy_read(bcm, 0x042B) | 0x0800); |
f222313a JL |
963 | bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
964 | bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & ~0x4000); | |
965 | break; | |
966 | } | |
e382c234 | 967 | radio_stacksave(0x0078); |
f222313a JL |
968 | tmp = (bcm43xx_radio_read16(bcm, 0x0078) & 0x001E); |
969 | flipped = flip_4bit(tmp); | |
e382c234 MB |
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); | |
f222313a JL |
977 | |
978 | bcm43xx_calc_nrssi_threshold(bcm); | |
979 | ||
e382c234 MB |
980 | phy_stacksave(0x0406); |
981 | bcm43xx_phy_write(bcm, 0x0406, 0x7E28); | |
f222313a JL |
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 | ||
e382c234 | 988 | phy_stacksave(0x04A0); |
f222313a JL |
989 | bcm43xx_phy_write(bcm, 0x04A0, |
990 | (bcm43xx_phy_read(bcm, 0x04A0) & 0xC0C0) | 0x0008); | |
e382c234 | 991 | phy_stacksave(0x04A1); |
f222313a JL |
992 | bcm43xx_phy_write(bcm, 0x04A1, |
993 | (bcm43xx_phy_read(bcm, 0x04A1) & 0xC0C0) | 0x0605); | |
e382c234 | 994 | phy_stacksave(0x04A2); |
f222313a JL |
995 | bcm43xx_phy_write(bcm, 0x04A2, |
996 | (bcm43xx_phy_read(bcm, 0x04A2) & 0xC0C0) | 0x0204); | |
e382c234 | 997 | phy_stacksave(0x04A8); |
f222313a | 998 | bcm43xx_phy_write(bcm, 0x04A8, |
e382c234 MB |
999 | (bcm43xx_phy_read(bcm, 0x04A8) & 0xC0C0) | 0x0803); |
1000 | phy_stacksave(0x04AB); | |
f222313a | 1001 | bcm43xx_phy_write(bcm, 0x04AB, |
e382c234 | 1002 | (bcm43xx_phy_read(bcm, 0x04AB) & 0xC0C0) | 0x0605); |
f222313a | 1003 | |
e382c234 | 1004 | phy_stacksave(0x04A7); |
f222313a | 1005 | bcm43xx_phy_write(bcm, 0x04A7, 0x0002); |
e382c234 | 1006 | phy_stacksave(0x04A3); |
f222313a | 1007 | bcm43xx_phy_write(bcm, 0x04A3, 0x287A); |
e382c234 | 1008 | phy_stacksave(0x04A9); |
f222313a | 1009 | bcm43xx_phy_write(bcm, 0x04A9, 0x2027); |
e382c234 | 1010 | phy_stacksave(0x0493); |
f222313a | 1011 | bcm43xx_phy_write(bcm, 0x0493, 0x32F5); |
e382c234 | 1012 | phy_stacksave(0x04AA); |
f222313a | 1013 | bcm43xx_phy_write(bcm, 0x04AA, 0x2027); |
e382c234 | 1014 | phy_stacksave(0x04AC); |
f222313a JL |
1015 | bcm43xx_phy_write(bcm, 0x04AC, 0x32F5); |
1016 | break; | |
1017 | case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: | |
e382c234 | 1018 | if (bcm43xx_phy_read(bcm, 0x0033) & 0x0800) |
f222313a JL |
1019 | break; |
1020 | ||
1021 | radio->aci_enable = 1; | |
1022 | ||
e382c234 MB |
1023 | phy_stacksave(BCM43xx_PHY_RADIO_BITFIELD); |
1024 | phy_stacksave(BCM43xx_PHY_G_CRS); | |
1025 | if (phy->rev < 2) { | |
1026 | phy_stacksave(0x0406); | |
f222313a | 1027 | } else { |
e382c234 MB |
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); | |
f222313a | 1054 | } |
e382c234 MB |
1055 | phy_stacksave(0x042B); |
1056 | phy_stacksave(0x048C); | |
f222313a JL |
1057 | |
1058 | bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, | |
e382c234 MB |
1059 | bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) |
1060 | & ~0x1000); | |
f222313a | 1061 | bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
e382c234 MB |
1062 | (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) |
1063 | & 0xFFFC) | 0x0002); | |
f222313a | 1064 | |
e382c234 MB |
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); | |
f222313a JL |
1071 | |
1072 | bcm43xx_phy_write(bcm, 0x04A0, | |
e382c234 MB |
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); | |
f222313a | 1081 | bcm43xx_phy_write(bcm, 0x04C1, 0x00A9); |
e382c234 MB |
1082 | } else { |
1083 | bcm43xx_phy_write(bcm, 0x04C0, 0x00C1); | |
1084 | bcm43xx_phy_write(bcm, 0x04C1, 0x0059); | |
f222313a JL |
1085 | } |
1086 | ||
1087 | bcm43xx_phy_write(bcm, 0x04A1, | |
e382c234 MB |
1088 | (bcm43xx_phy_read(bcm, 0x04A1) |
1089 | & 0xC0FF) | 0x1800); | |
f222313a | 1090 | bcm43xx_phy_write(bcm, 0x04A1, |
e382c234 MB |
1091 | (bcm43xx_phy_read(bcm, 0x04A1) |
1092 | & 0xFFC0) | 0x0015); | |
f222313a | 1093 | bcm43xx_phy_write(bcm, 0x04A8, |
e382c234 MB |
1094 | (bcm43xx_phy_read(bcm, 0x04A8) |
1095 | & 0xCFFF) | 0x1000); | |
f222313a | 1096 | bcm43xx_phy_write(bcm, 0x04A8, |
e382c234 MB |
1097 | (bcm43xx_phy_read(bcm, 0x04A8) |
1098 | & 0xF0FF) | 0x0A00); | |
f222313a | 1099 | bcm43xx_phy_write(bcm, 0x04AB, |
e382c234 MB |
1100 | (bcm43xx_phy_read(bcm, 0x04AB) |
1101 | & 0xCFFF) | 0x1000); | |
f222313a | 1102 | bcm43xx_phy_write(bcm, 0x04AB, |
e382c234 MB |
1103 | (bcm43xx_phy_read(bcm, 0x04AB) |
1104 | & 0xF0FF) | 0x0800); | |
f222313a | 1105 | bcm43xx_phy_write(bcm, 0x04AB, |
e382c234 MB |
1106 | (bcm43xx_phy_read(bcm, 0x04AB) |
1107 | & 0xFFCF) | 0x0010); | |
f222313a | 1108 | bcm43xx_phy_write(bcm, 0x04AB, |
e382c234 MB |
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); | |
f222313a | 1126 | |
e382c234 MB |
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 | } | |
f222313a JL |
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 | { | |
e9357c05 MB |
1189 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
1190 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
e382c234 MB |
1191 | u32 tmp32; |
1192 | u32 *stack = radio->interfstack; | |
f222313a JL |
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, | |
e382c234 | 1200 | bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) | 0x4000); |
f222313a JL |
1201 | break; |
1202 | } | |
e382c234 | 1203 | phy_stackrestore(0x0078); |
f222313a | 1204 | bcm43xx_calc_nrssi_threshold(bcm); |
e382c234 | 1205 | phy_stackrestore(0x0406); |
f222313a JL |
1206 | bcm43xx_phy_write(bcm, 0x042B, |
1207 | bcm43xx_phy_read(bcm, 0x042B) & ~0x0800); | |
e382c234 | 1208 | if (!bcm->bad_frames_preempt) { |
f222313a | 1209 | bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD, |
e382c234 MB |
1210 | bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) |
1211 | & ~(1 << 11)); | |
1212 | } | |
f222313a | 1213 | bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, |
e382c234 MB |
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); | |
f222313a JL |
1226 | break; |
1227 | case BCM43xx_RADIO_INTERFMODE_MANUALWLAN: | |
e382c234 | 1228 | if (!(bcm43xx_phy_read(bcm, 0x0033) & 0x0800)) |
f222313a JL |
1229 | break; |
1230 | ||
1231 | radio->aci_enable = 0; | |
1232 | ||
e382c234 MB |
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); | |
f222313a | 1273 | } |
f222313a JL |
1274 | bcm43xx_calc_nrssi_slope(bcm); |
1275 | break; | |
1276 | default: | |
1277 | assert(0); | |
1278 | } | |
1279 | } | |
1280 | ||
e382c234 MB |
1281 | #undef phy_stacksave |
1282 | #undef phy_stackrestore | |
1283 | #undef radio_stacksave | |
1284 | #undef radio_stackrestore | |
1285 | #undef ilt_stacksave | |
1286 | #undef ilt_stackrestore | |
f222313a JL |
1287 | |
1288 | int bcm43xx_radio_set_interference_mitigation(struct bcm43xx_private *bcm, | |
1289 | int mode) | |
1290 | { | |
e9357c05 MB |
1291 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
1292 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
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 | ||
67093a65 | 1333 | u16 bcm43xx_radio_calibrationvalue(struct bcm43xx_private *bcm) |
f222313a JL |
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 | { | |
e9357c05 MB |
1348 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
1349 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
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 | { | |
e9357c05 | 1593 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
f222313a JL |
1594 | u16 r8, tmp; |
1595 | u16 freq; | |
1596 | ||
1597 | if ((radio->manufact == 0x17F) && | |
1598 | (radio->version == 0x2060) && | |
1599 | (radio->revision == 1)) { | |
1600 | if (channel > 200) | |
1601 | return -EINVAL; | |
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 ((channel < 1) || (channel > 14)) | |
1655 | return -EINVAL; | |
1656 | ||
1657 | if (synthetic_pu_workaround) | |
1658 | bcm43xx_synth_pu_workaround(bcm, channel); | |
1659 | ||
1660 | bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL, | |
1661 | channel2freq_bg(channel)); | |
1662 | ||
1663 | if (channel == 14) { | |
1664 | if (bcm->sprom.locale == BCM43xx_LOCALE_JAPAN) { | |
1665 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, | |
1666 | BCM43xx_UCODEFLAGS_OFFSET, | |
1667 | bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, | |
1668 | BCM43xx_UCODEFLAGS_OFFSET) | |
1669 | & ~(1 << 7)); | |
1670 | } else { | |
1671 | bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED, | |
1672 | BCM43xx_UCODEFLAGS_OFFSET, | |
1673 | bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED, | |
1674 | BCM43xx_UCODEFLAGS_OFFSET) | |
1675 | | (1 << 7)); | |
1676 | } | |
1677 | bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, | |
1678 | bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) | |
1679 | | (1 << 11)); | |
1680 | } else { | |
1681 | bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, | |
1682 | bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT) | |
1683 | & 0xF7BF); | |
1684 | } | |
1685 | } | |
1686 | ||
1687 | radio->channel = channel; | |
1688 | //XXX: Using the longer of 2 timeouts (8000 vs 2000 usecs). Specs states | |
1689 | // that 2000 usecs might suffice. | |
1690 | udelay(8000); | |
1691 | ||
1692 | return 0; | |
1693 | } | |
1694 | ||
1695 | void bcm43xx_radio_set_txantenna(struct bcm43xx_private *bcm, u32 val) | |
1696 | { | |
1697 | u16 tmp; | |
1698 | ||
1699 | val <<= 8; | |
1700 | tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0022) & 0xFCFF; | |
1701 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0022, tmp | val); | |
1702 | tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x03A8) & 0xFCFF; | |
1703 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x03A8, tmp | val); | |
1704 | tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0054) & 0xFCFF; | |
1705 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0054, tmp | val); | |
1706 | } | |
1707 | ||
1708 | /* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */ | |
1709 | static u16 bcm43xx_get_txgain_base_band(u16 txpower) | |
1710 | { | |
1711 | u16 ret; | |
1712 | ||
1713 | assert(txpower <= 63); | |
1714 | ||
1715 | if (txpower >= 54) | |
1716 | ret = 2; | |
1717 | else if (txpower >= 49) | |
1718 | ret = 4; | |
1719 | else if (txpower >= 44) | |
1720 | ret = 5; | |
1721 | else | |
1722 | ret = 6; | |
1723 | ||
1724 | return ret; | |
1725 | } | |
1726 | ||
1727 | /* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */ | |
1728 | static u16 bcm43xx_get_txgain_freq_power_amp(u16 txpower) | |
1729 | { | |
1730 | u16 ret; | |
1731 | ||
1732 | assert(txpower <= 63); | |
1733 | ||
1734 | if (txpower >= 32) | |
1735 | ret = 0; | |
1736 | else if (txpower >= 25) | |
1737 | ret = 1; | |
1738 | else if (txpower >= 20) | |
1739 | ret = 2; | |
1740 | else if (txpower >= 12) | |
1741 | ret = 3; | |
1742 | else | |
1743 | ret = 4; | |
1744 | ||
1745 | return ret; | |
1746 | } | |
1747 | ||
1748 | /* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */ | |
1749 | static u16 bcm43xx_get_txgain_dac(u16 txpower) | |
1750 | { | |
1751 | u16 ret; | |
1752 | ||
1753 | assert(txpower <= 63); | |
1754 | ||
1755 | if (txpower >= 54) | |
1756 | ret = txpower - 53; | |
1757 | else if (txpower >= 49) | |
1758 | ret = txpower - 42; | |
1759 | else if (txpower >= 44) | |
1760 | ret = txpower - 37; | |
1761 | else if (txpower >= 32) | |
1762 | ret = txpower - 32; | |
1763 | else if (txpower >= 25) | |
1764 | ret = txpower - 20; | |
1765 | else if (txpower >= 20) | |
1766 | ret = txpower - 13; | |
1767 | else if (txpower >= 12) | |
1768 | ret = txpower - 8; | |
1769 | else | |
1770 | ret = txpower; | |
1771 | ||
1772 | return ret; | |
1773 | } | |
1774 | ||
1775 | void bcm43xx_radio_set_txpower_a(struct bcm43xx_private *bcm, u16 txpower) | |
1776 | { | |
e9357c05 | 1777 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
f222313a JL |
1778 | u16 pamp, base, dac, ilt; |
1779 | ||
1780 | txpower = limit_value(txpower, 0, 63); | |
1781 | ||
1782 | pamp = bcm43xx_get_txgain_freq_power_amp(txpower); | |
1783 | pamp <<= 5; | |
1784 | pamp &= 0x00E0; | |
1785 | bcm43xx_phy_write(bcm, 0x0019, pamp); | |
1786 | ||
1787 | base = bcm43xx_get_txgain_base_band(txpower); | |
1788 | base &= 0x000F; | |
1789 | bcm43xx_phy_write(bcm, 0x0017, base | 0x0020); | |
1790 | ||
73733847 | 1791 | ilt = bcm43xx_ilt_read(bcm, 0x3001); |
f222313a JL |
1792 | ilt &= 0x0007; |
1793 | ||
1794 | dac = bcm43xx_get_txgain_dac(txpower); | |
1795 | dac <<= 3; | |
1796 | dac |= ilt; | |
1797 | ||
73733847 | 1798 | bcm43xx_ilt_write(bcm, 0x3001, dac); |
f222313a | 1799 | |
6ecb2690 | 1800 | radio->txpwr_offset = txpower; |
f222313a JL |
1801 | |
1802 | TODO(); | |
1803 | //TODO: FuncPlaceholder (Adjust BB loft cancel) | |
1804 | } | |
1805 | ||
1806 | void bcm43xx_radio_set_txpower_bg(struct bcm43xx_private *bcm, | |
1807 | u16 baseband_attenuation, u16 radio_attenuation, | |
1808 | u16 txpower) | |
1809 | { | |
e9357c05 MB |
1810 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); |
1811 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); | |
f222313a JL |
1812 | |
1813 | if (baseband_attenuation == 0xFFFF) | |
6ecb2690 | 1814 | baseband_attenuation = radio->baseband_atten; |
f222313a | 1815 | if (radio_attenuation == 0xFFFF) |
6ecb2690 | 1816 | radio_attenuation = radio->radio_atten; |
f222313a | 1817 | if (txpower == 0xFFFF) |
6ecb2690 MB |
1818 | txpower = radio->txctl1; |
1819 | radio->baseband_atten = baseband_attenuation; | |
1820 | radio->radio_atten = radio_attenuation; | |
1821 | radio->txctl1 = txpower; | |
f222313a JL |
1822 | |
1823 | assert(/*baseband_attenuation >= 0 &&*/ baseband_attenuation <= 11); | |
1824 | if (radio->revision < 6) | |
1825 | assert(/*radio_attenuation >= 0 &&*/ radio_attenuation <= 9); | |
1826 | else | |
1827 | assert(/* radio_attenuation >= 0 &&*/ radio_attenuation <= 31); | |
1828 | assert(/*txpower >= 0 &&*/ txpower <= 7); | |
1829 | ||
1830 | bcm43xx_phy_set_baseband_attenuation(bcm, baseband_attenuation); | |
1831 | bcm43xx_radio_write16(bcm, 0x0043, radio_attenuation); | |
1832 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0064, radio_attenuation); | |
1833 | if (radio->version == 0x2050) { | |
1834 | bcm43xx_radio_write16(bcm, 0x0052, | |
5808bbbd MB |
1835 | (bcm43xx_radio_read16(bcm, 0x0052) & ~0x0070) |
1836 | | ((txpower << 4) & 0x0070)); | |
f222313a | 1837 | } |
6ecb2690 | 1838 | //FIXME: The spec is very weird and unclear here. |
f222313a JL |
1839 | if (phy->type == BCM43xx_PHYTYPE_G) |
1840 | bcm43xx_phy_lo_adjust(bcm, 0); | |
1841 | } | |
1842 | ||
6ecb2690 MB |
1843 | u16 bcm43xx_default_baseband_attenuation(struct bcm43xx_private *bcm) |
1844 | { | |
1845 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
1846 | ||
1847 | if (radio->version == 0x2050 && radio->revision < 6) | |
1848 | return 0; | |
1849 | return 2; | |
1850 | } | |
1851 | ||
1852 | u16 bcm43xx_default_radio_attenuation(struct bcm43xx_private *bcm) | |
1853 | { | |
1854 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); | |
1855 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
1856 | u16 att = 0xFFFF; | |
1857 | ||
1858 | if (phy->type == BCM43xx_PHYTYPE_A) | |
1859 | return 0x60; | |
1860 | ||
1861 | switch (radio->version) { | |
1862 | case 0x2053: | |
1863 | switch (radio->revision) { | |
1864 | case 1: | |
1865 | att = 6; | |
1866 | break; | |
1867 | } | |
1868 | break; | |
1869 | case 0x2050: | |
1870 | switch (radio->revision) { | |
1871 | case 0: | |
1872 | att = 5; | |
1873 | break; | |
1874 | case 1: | |
1875 | if (phy->type == BCM43xx_PHYTYPE_G) { | |
1876 | if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && | |
1877 | bcm->board_type == 0x421 && | |
1878 | bcm->board_revision >= 30) | |
1879 | att = 3; | |
1880 | else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && | |
1881 | bcm->board_type == 0x416) | |
1882 | att = 3; | |
1883 | else | |
1884 | att = 1; | |
1885 | } else { | |
1886 | if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && | |
1887 | bcm->board_type == 0x421 && | |
1888 | bcm->board_revision >= 30) | |
1889 | att = 7; | |
1890 | else | |
1891 | att = 6; | |
1892 | } | |
1893 | break; | |
1894 | case 2: | |
1895 | if (phy->type == BCM43xx_PHYTYPE_G) { | |
1896 | if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && | |
1897 | bcm->board_type == 0x421 && | |
1898 | bcm->board_revision >= 30) | |
1899 | att = 3; | |
1900 | else if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && | |
1901 | bcm->board_type == 0x416) | |
1902 | att = 5; | |
1903 | else if (bcm->chip_id == 0x4320) | |
1904 | att = 4; | |
1905 | else | |
1906 | att = 3; | |
1907 | } else | |
1908 | att = 6; | |
1909 | break; | |
1910 | case 3: | |
1911 | att = 5; | |
1912 | break; | |
1913 | case 4: | |
1914 | case 5: | |
1915 | att = 1; | |
1916 | break; | |
1917 | case 6: | |
1918 | case 7: | |
1919 | att = 5; | |
1920 | break; | |
1921 | case 8: | |
1922 | att = 0x1A; | |
1923 | break; | |
1924 | case 9: | |
1925 | default: | |
1926 | att = 5; | |
1927 | } | |
1928 | } | |
1929 | if (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM && | |
1930 | bcm->board_type == 0x421) { | |
1931 | if (bcm->board_revision < 0x43) | |
1932 | att = 2; | |
1933 | else if (bcm->board_revision < 0x51) | |
1934 | att = 3; | |
1935 | } | |
1936 | if (att == 0xFFFF) | |
1937 | att = 5; | |
1938 | ||
1939 | return att; | |
1940 | } | |
1941 | ||
1942 | u16 bcm43xx_default_txctl1(struct bcm43xx_private *bcm) | |
1943 | { | |
1944 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
1945 | ||
1946 | if (radio->version != 0x2050) | |
1947 | return 0; | |
1948 | if (radio->revision == 1) | |
1949 | return 3; | |
1950 | if (radio->revision < 6) | |
1951 | return 2; | |
1952 | if (radio->revision == 8) | |
1953 | return 1; | |
1954 | return 0; | |
1955 | } | |
f222313a JL |
1956 | |
1957 | void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm) | |
1958 | { | |
e9357c05 MB |
1959 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
1960 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
1961 | int err; |
1962 | ||
1963 | if (radio->enabled) | |
1964 | return; | |
1965 | ||
1966 | switch (phy->type) { | |
1967 | case BCM43xx_PHYTYPE_A: | |
1968 | bcm43xx_radio_write16(bcm, 0x0004, 0x00C0); | |
1969 | bcm43xx_radio_write16(bcm, 0x0005, 0x0008); | |
1970 | bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) & 0xFFF7); | |
1971 | bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) & 0xFFF7); | |
1972 | bcm43xx_radio_init2060(bcm); | |
1973 | break; | |
1974 | case BCM43xx_PHYTYPE_B: | |
1975 | case BCM43xx_PHYTYPE_G: | |
1976 | bcm43xx_phy_write(bcm, 0x0015, 0x8000); | |
1977 | bcm43xx_phy_write(bcm, 0x0015, 0xCC00); | |
1978 | bcm43xx_phy_write(bcm, 0x0015, (phy->connected ? 0x00C0 : 0x0000)); | |
1979 | err = bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 1); | |
1980 | assert(err == 0); | |
1981 | break; | |
1982 | default: | |
1983 | assert(0); | |
1984 | } | |
1985 | radio->enabled = 1; | |
1986 | dprintk(KERN_INFO PFX "Radio turned on\n"); | |
1987 | } | |
1988 | ||
1989 | void bcm43xx_radio_turn_off(struct bcm43xx_private *bcm) | |
1990 | { | |
e9357c05 MB |
1991 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
1992 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | |
f222313a JL |
1993 | |
1994 | if (phy->type == BCM43xx_PHYTYPE_A) { | |
1995 | bcm43xx_radio_write16(bcm, 0x0004, 0x00FF); | |
1996 | bcm43xx_radio_write16(bcm, 0x0005, 0x00FB); | |
1997 | bcm43xx_phy_write(bcm, 0x0010, bcm43xx_phy_read(bcm, 0x0010) | 0x0008); | |
1998 | bcm43xx_phy_write(bcm, 0x0011, bcm43xx_phy_read(bcm, 0x0011) | 0x0008); | |
1999 | } | |
2000 | if (phy->type == BCM43xx_PHYTYPE_G && bcm->current_core->rev >= 5) { | |
2001 | bcm43xx_phy_write(bcm, 0x0811, bcm43xx_phy_read(bcm, 0x0811) | 0x008C); | |
2002 | bcm43xx_phy_write(bcm, 0x0812, bcm43xx_phy_read(bcm, 0x0812) & 0xFF73); | |
2003 | } else | |
2004 | bcm43xx_phy_write(bcm, 0x0015, 0xAA00); | |
2005 | radio->enabled = 0; | |
2006 | dprintk(KERN_INFO PFX "Radio turned off\n"); | |
2007 | } | |
2008 | ||
2009 | void bcm43xx_radio_clear_tssi(struct bcm43xx_private *bcm) | |
2010 | { | |
e9357c05 MB |
2011 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); |
2012 | ||
2013 | switch (phy->type) { | |
f222313a JL |
2014 | case BCM43xx_PHYTYPE_A: |
2015 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0068, 0x7F7F); | |
2016 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x006a, 0x7F7F); | |
2017 | break; | |
2018 | case BCM43xx_PHYTYPE_B: | |
2019 | case BCM43xx_PHYTYPE_G: | |
2020 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0058, 0x7F7F); | |
2021 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x005a, 0x7F7F); | |
2022 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0070, 0x7F7F); | |
2023 | bcm43xx_shm_write16(bcm, BCM43xx_SHM_SHARED, 0x0072, 0x7F7F); | |
2024 | break; | |
2025 | } | |
2026 | } |