diff options
Diffstat (limited to 'drivers/net/wireless/bcm43xx/bcm43xx_radio.c')
-rw-r--r-- | drivers/net/wireless/bcm43xx/bcm43xx_radio.c | 2026 |
1 files changed, 2026 insertions, 0 deletions
diff --git a/drivers/net/wireless/bcm43xx/bcm43xx_radio.c b/drivers/net/wireless/bcm43xx/bcm43xx_radio.c new file mode 100644 index 000000000000..af5c0bff1696 --- /dev/null +++ b/drivers/net/wireless/bcm43xx/bcm43xx_radio.c | |||
@@ -0,0 +1,2026 @@ | |||
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 ((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 | { | ||
1777 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | ||
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 | |||
1791 | ilt = bcm43xx_ilt_read(bcm, 0x3001); | ||
1792 | ilt &= 0x0007; | ||
1793 | |||
1794 | dac = bcm43xx_get_txgain_dac(txpower); | ||
1795 | dac <<= 3; | ||
1796 | dac |= ilt; | ||
1797 | |||
1798 | bcm43xx_ilt_write(bcm, 0x3001, dac); | ||
1799 | |||
1800 | radio->txpwr_offset = txpower; | ||
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 | { | ||
1810 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | ||
1811 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); | ||
1812 | |||
1813 | if (baseband_attenuation == 0xFFFF) | ||
1814 | baseband_attenuation = radio->baseband_atten; | ||
1815 | if (radio_attenuation == 0xFFFF) | ||
1816 | radio_attenuation = radio->radio_atten; | ||
1817 | if (txpower == 0xFFFF) | ||
1818 | txpower = radio->txctl1; | ||
1819 | radio->baseband_atten = baseband_attenuation; | ||
1820 | radio->radio_atten = radio_attenuation; | ||
1821 | radio->txctl1 = txpower; | ||
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, | ||
1835 | (bcm43xx_radio_read16(bcm, 0x0052) & ~0x0070) | ||
1836 | | ((txpower << 4) & 0x0070)); | ||
1837 | } | ||
1838 | //FIXME: The spec is very weird and unclear here. | ||
1839 | if (phy->type == BCM43xx_PHYTYPE_G) | ||
1840 | bcm43xx_phy_lo_adjust(bcm, 0); | ||
1841 | } | ||
1842 | |||
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 | } | ||
1956 | |||
1957 | void bcm43xx_radio_turn_on(struct bcm43xx_private *bcm) | ||
1958 | { | ||
1959 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); | ||
1960 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | ||
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 | { | ||
1991 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); | ||
1992 | struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm); | ||
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 | { | ||
2011 | struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm); | ||
2012 | |||
2013 | switch (phy->type) { | ||
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 | } | ||