diff options
Diffstat (limited to 'drivers/net/wireless/b43/phy_g.c')
-rw-r--r-- | drivers/net/wireless/b43/phy_g.c | 3282 |
1 files changed, 3282 insertions, 0 deletions
diff --git a/drivers/net/wireless/b43/phy_g.c b/drivers/net/wireless/b43/phy_g.c new file mode 100644 index 000000000000..232181f6333c --- /dev/null +++ b/drivers/net/wireless/b43/phy_g.c | |||
@@ -0,0 +1,3282 @@ | |||
1 | /* | ||
2 | |||
3 | Broadcom B43 wireless driver | ||
4 | IEEE 802.11g PHY driver | ||
5 | |||
6 | Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>, | ||
7 | Copyright (c) 2005-2007 Stefano Brivio <stefano.brivio@polimi.it> | ||
8 | Copyright (c) 2005-2008 Michael Buesch <mb@bu3sch.de> | ||
9 | Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org> | ||
10 | Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch> | ||
11 | |||
12 | This program is free software; you can redistribute it and/or modify | ||
13 | it under the terms of the GNU General Public License as published by | ||
14 | the Free Software Foundation; either version 2 of the License, or | ||
15 | (at your option) any later version. | ||
16 | |||
17 | This program is distributed in the hope that it will be useful, | ||
18 | but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
19 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
20 | GNU General Public License for more details. | ||
21 | |||
22 | You should have received a copy of the GNU General Public License | ||
23 | along with this program; see the file COPYING. If not, write to | ||
24 | the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, | ||
25 | Boston, MA 02110-1301, USA. | ||
26 | |||
27 | */ | ||
28 | |||
29 | #include "b43.h" | ||
30 | #include "phy_g.h" | ||
31 | #include "phy_common.h" | ||
32 | #include "lo.h" | ||
33 | #include "main.h" | ||
34 | |||
35 | #include <linux/bitrev.h> | ||
36 | |||
37 | |||
38 | static const s8 b43_tssi2dbm_g_table[] = { | ||
39 | 77, 77, 77, 76, | ||
40 | 76, 76, 75, 75, | ||
41 | 74, 74, 73, 73, | ||
42 | 73, 72, 72, 71, | ||
43 | 71, 70, 70, 69, | ||
44 | 68, 68, 67, 67, | ||
45 | 66, 65, 65, 64, | ||
46 | 63, 63, 62, 61, | ||
47 | 60, 59, 58, 57, | ||
48 | 56, 55, 54, 53, | ||
49 | 52, 50, 49, 47, | ||
50 | 45, 43, 40, 37, | ||
51 | 33, 28, 22, 14, | ||
52 | 5, -7, -20, -20, | ||
53 | -20, -20, -20, -20, | ||
54 | -20, -20, -20, -20, | ||
55 | }; | ||
56 | |||
57 | const u8 b43_radio_channel_codes_bg[] = { | ||
58 | 12, 17, 22, 27, | ||
59 | 32, 37, 42, 47, | ||
60 | 52, 57, 62, 67, | ||
61 | 72, 84, | ||
62 | }; | ||
63 | |||
64 | |||
65 | static void b43_calc_nrssi_threshold(struct b43_wldev *dev); | ||
66 | |||
67 | |||
68 | #define bitrev4(tmp) (bitrev8(tmp) >> 4) | ||
69 | |||
70 | |||
71 | /* Get the freq, as it has to be written to the device. */ | ||
72 | static inline u16 channel2freq_bg(u8 channel) | ||
73 | { | ||
74 | B43_WARN_ON(!(channel >= 1 && channel <= 14)); | ||
75 | |||
76 | return b43_radio_channel_codes_bg[channel - 1]; | ||
77 | } | ||
78 | |||
79 | static void generate_rfatt_list(struct b43_wldev *dev, | ||
80 | struct b43_rfatt_list *list) | ||
81 | { | ||
82 | struct b43_phy *phy = &dev->phy; | ||
83 | |||
84 | /* APHY.rev < 5 || GPHY.rev < 6 */ | ||
85 | static const struct b43_rfatt rfatt_0[] = { | ||
86 | {.att = 3,.with_padmix = 0,}, | ||
87 | {.att = 1,.with_padmix = 0,}, | ||
88 | {.att = 5,.with_padmix = 0,}, | ||
89 | {.att = 7,.with_padmix = 0,}, | ||
90 | {.att = 9,.with_padmix = 0,}, | ||
91 | {.att = 2,.with_padmix = 0,}, | ||
92 | {.att = 0,.with_padmix = 0,}, | ||
93 | {.att = 4,.with_padmix = 0,}, | ||
94 | {.att = 6,.with_padmix = 0,}, | ||
95 | {.att = 8,.with_padmix = 0,}, | ||
96 | {.att = 1,.with_padmix = 1,}, | ||
97 | {.att = 2,.with_padmix = 1,}, | ||
98 | {.att = 3,.with_padmix = 1,}, | ||
99 | {.att = 4,.with_padmix = 1,}, | ||
100 | }; | ||
101 | /* Radio.rev == 8 && Radio.version == 0x2050 */ | ||
102 | static const struct b43_rfatt rfatt_1[] = { | ||
103 | {.att = 2,.with_padmix = 1,}, | ||
104 | {.att = 4,.with_padmix = 1,}, | ||
105 | {.att = 6,.with_padmix = 1,}, | ||
106 | {.att = 8,.with_padmix = 1,}, | ||
107 | {.att = 10,.with_padmix = 1,}, | ||
108 | {.att = 12,.with_padmix = 1,}, | ||
109 | {.att = 14,.with_padmix = 1,}, | ||
110 | }; | ||
111 | /* Otherwise */ | ||
112 | static const struct b43_rfatt rfatt_2[] = { | ||
113 | {.att = 0,.with_padmix = 1,}, | ||
114 | {.att = 2,.with_padmix = 1,}, | ||
115 | {.att = 4,.with_padmix = 1,}, | ||
116 | {.att = 6,.with_padmix = 1,}, | ||
117 | {.att = 8,.with_padmix = 1,}, | ||
118 | {.att = 9,.with_padmix = 1,}, | ||
119 | {.att = 9,.with_padmix = 1,}, | ||
120 | }; | ||
121 | |||
122 | if (!b43_has_hardware_pctl(dev)) { | ||
123 | /* Software pctl */ | ||
124 | list->list = rfatt_0; | ||
125 | list->len = ARRAY_SIZE(rfatt_0); | ||
126 | list->min_val = 0; | ||
127 | list->max_val = 9; | ||
128 | return; | ||
129 | } | ||
130 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { | ||
131 | /* Hardware pctl */ | ||
132 | list->list = rfatt_1; | ||
133 | list->len = ARRAY_SIZE(rfatt_1); | ||
134 | list->min_val = 0; | ||
135 | list->max_val = 14; | ||
136 | return; | ||
137 | } | ||
138 | /* Hardware pctl */ | ||
139 | list->list = rfatt_2; | ||
140 | list->len = ARRAY_SIZE(rfatt_2); | ||
141 | list->min_val = 0; | ||
142 | list->max_val = 9; | ||
143 | } | ||
144 | |||
145 | static void generate_bbatt_list(struct b43_wldev *dev, | ||
146 | struct b43_bbatt_list *list) | ||
147 | { | ||
148 | static const struct b43_bbatt bbatt_0[] = { | ||
149 | {.att = 0,}, | ||
150 | {.att = 1,}, | ||
151 | {.att = 2,}, | ||
152 | {.att = 3,}, | ||
153 | {.att = 4,}, | ||
154 | {.att = 5,}, | ||
155 | {.att = 6,}, | ||
156 | {.att = 7,}, | ||
157 | {.att = 8,}, | ||
158 | }; | ||
159 | |||
160 | list->list = bbatt_0; | ||
161 | list->len = ARRAY_SIZE(bbatt_0); | ||
162 | list->min_val = 0; | ||
163 | list->max_val = 8; | ||
164 | } | ||
165 | |||
166 | static void b43_shm_clear_tssi(struct b43_wldev *dev) | ||
167 | { | ||
168 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F); | ||
169 | b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F); | ||
170 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F); | ||
171 | b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F); | ||
172 | } | ||
173 | |||
174 | /* Synthetic PU workaround */ | ||
175 | static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel) | ||
176 | { | ||
177 | struct b43_phy *phy = &dev->phy; | ||
178 | |||
179 | might_sleep(); | ||
180 | |||
181 | if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) { | ||
182 | /* We do not need the workaround. */ | ||
183 | return; | ||
184 | } | ||
185 | |||
186 | if (channel <= 10) { | ||
187 | b43_write16(dev, B43_MMIO_CHANNEL, | ||
188 | channel2freq_bg(channel + 4)); | ||
189 | } else { | ||
190 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1)); | ||
191 | } | ||
192 | msleep(1); | ||
193 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel)); | ||
194 | } | ||
195 | |||
196 | /* Set the baseband attenuation value on chip. */ | ||
197 | void b43_gphy_set_baseband_attenuation(struct b43_wldev *dev, | ||
198 | u16 baseband_attenuation) | ||
199 | { | ||
200 | struct b43_phy *phy = &dev->phy; | ||
201 | |||
202 | if (phy->analog == 0) { | ||
203 | b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0) | ||
204 | & 0xFFF0) | | ||
205 | baseband_attenuation); | ||
206 | } else if (phy->analog > 1) { | ||
207 | b43_phy_write(dev, B43_PHY_DACCTL, | ||
208 | (b43_phy_read(dev, B43_PHY_DACCTL) | ||
209 | & 0xFFC3) | (baseband_attenuation << 2)); | ||
210 | } else { | ||
211 | b43_phy_write(dev, B43_PHY_DACCTL, | ||
212 | (b43_phy_read(dev, B43_PHY_DACCTL) | ||
213 | & 0xFF87) | (baseband_attenuation << 3)); | ||
214 | } | ||
215 | } | ||
216 | |||
217 | /* Adjust the transmission power output (G-PHY) */ | ||
218 | void b43_set_txpower_g(struct b43_wldev *dev, | ||
219 | const struct b43_bbatt *bbatt, | ||
220 | const struct b43_rfatt *rfatt, u8 tx_control) | ||
221 | { | ||
222 | struct b43_phy *phy = &dev->phy; | ||
223 | struct b43_phy_g *gphy = phy->g; | ||
224 | struct b43_txpower_lo_control *lo = gphy->lo_control; | ||
225 | u16 bb, rf; | ||
226 | u16 tx_bias, tx_magn; | ||
227 | |||
228 | bb = bbatt->att; | ||
229 | rf = rfatt->att; | ||
230 | tx_bias = lo->tx_bias; | ||
231 | tx_magn = lo->tx_magn; | ||
232 | if (unlikely(tx_bias == 0xFF)) | ||
233 | tx_bias = 0; | ||
234 | |||
235 | /* Save the values for later. Use memmove, because it's valid | ||
236 | * to pass &gphy->rfatt as rfatt pointer argument. Same for bbatt. */ | ||
237 | gphy->tx_control = tx_control; | ||
238 | memmove(&gphy->rfatt, rfatt, sizeof(*rfatt)); | ||
239 | gphy->rfatt.with_padmix = !!(tx_control & B43_TXCTL_TXMIX); | ||
240 | memmove(&gphy->bbatt, bbatt, sizeof(*bbatt)); | ||
241 | |||
242 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { | ||
243 | b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), " | ||
244 | "rfatt(%u), tx_control(0x%02X), " | ||
245 | "tx_bias(0x%02X), tx_magn(0x%02X)\n", | ||
246 | bb, rf, tx_control, tx_bias, tx_magn); | ||
247 | } | ||
248 | |||
249 | b43_gphy_set_baseband_attenuation(dev, bb); | ||
250 | b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf); | ||
251 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { | ||
252 | b43_radio_write16(dev, 0x43, | ||
253 | (rf & 0x000F) | (tx_control & 0x0070)); | ||
254 | } else { | ||
255 | b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43) | ||
256 | & 0xFFF0) | (rf & 0x000F)); | ||
257 | b43_radio_write16(dev, 0x52, (b43_radio_read16(dev, 0x52) | ||
258 | & ~0x0070) | (tx_control & | ||
259 | 0x0070)); | ||
260 | } | ||
261 | if (has_tx_magnification(phy)) { | ||
262 | b43_radio_write16(dev, 0x52, tx_magn | tx_bias); | ||
263 | } else { | ||
264 | b43_radio_write16(dev, 0x52, (b43_radio_read16(dev, 0x52) | ||
265 | & 0xFFF0) | (tx_bias & 0x000F)); | ||
266 | } | ||
267 | b43_lo_g_adjust(dev); | ||
268 | } | ||
269 | |||
270 | /* GPHY_TSSI_Power_Lookup_Table_Init */ | ||
271 | static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev) | ||
272 | { | ||
273 | struct b43_phy_g *gphy = dev->phy.g; | ||
274 | int i; | ||
275 | u16 value; | ||
276 | |||
277 | for (i = 0; i < 32; i++) | ||
278 | b43_ofdmtab_write16(dev, 0x3C20, i, gphy->tssi2dbm[i]); | ||
279 | for (i = 32; i < 64; i++) | ||
280 | b43_ofdmtab_write16(dev, 0x3C00, i - 32, gphy->tssi2dbm[i]); | ||
281 | for (i = 0; i < 64; i += 2) { | ||
282 | value = (u16) gphy->tssi2dbm[i]; | ||
283 | value |= ((u16) gphy->tssi2dbm[i + 1]) << 8; | ||
284 | b43_phy_write(dev, 0x380 + (i / 2), value); | ||
285 | } | ||
286 | } | ||
287 | |||
288 | /* GPHY_Gain_Lookup_Table_Init */ | ||
289 | static void b43_gphy_gain_lt_init(struct b43_wldev *dev) | ||
290 | { | ||
291 | struct b43_phy *phy = &dev->phy; | ||
292 | struct b43_phy_g *gphy = phy->g; | ||
293 | struct b43_txpower_lo_control *lo = gphy->lo_control; | ||
294 | u16 nr_written = 0; | ||
295 | u16 tmp; | ||
296 | u8 rf, bb; | ||
297 | |||
298 | for (rf = 0; rf < lo->rfatt_list.len; rf++) { | ||
299 | for (bb = 0; bb < lo->bbatt_list.len; bb++) { | ||
300 | if (nr_written >= 0x40) | ||
301 | return; | ||
302 | tmp = lo->bbatt_list.list[bb].att; | ||
303 | tmp <<= 8; | ||
304 | if (phy->radio_rev == 8) | ||
305 | tmp |= 0x50; | ||
306 | else | ||
307 | tmp |= 0x40; | ||
308 | tmp |= lo->rfatt_list.list[rf].att; | ||
309 | b43_phy_write(dev, 0x3C0 + nr_written, tmp); | ||
310 | nr_written++; | ||
311 | } | ||
312 | } | ||
313 | } | ||
314 | |||
315 | static void b43_set_all_gains(struct b43_wldev *dev, | ||
316 | s16 first, s16 second, s16 third) | ||
317 | { | ||
318 | struct b43_phy *phy = &dev->phy; | ||
319 | u16 i; | ||
320 | u16 start = 0x08, end = 0x18; | ||
321 | u16 tmp; | ||
322 | u16 table; | ||
323 | |||
324 | if (phy->rev <= 1) { | ||
325 | start = 0x10; | ||
326 | end = 0x20; | ||
327 | } | ||
328 | |||
329 | table = B43_OFDMTAB_GAINX; | ||
330 | if (phy->rev <= 1) | ||
331 | table = B43_OFDMTAB_GAINX_R1; | ||
332 | for (i = 0; i < 4; i++) | ||
333 | b43_ofdmtab_write16(dev, table, i, first); | ||
334 | |||
335 | for (i = start; i < end; i++) | ||
336 | b43_ofdmtab_write16(dev, table, i, second); | ||
337 | |||
338 | if (third != -1) { | ||
339 | tmp = ((u16) third << 14) | ((u16) third << 6); | ||
340 | b43_phy_write(dev, 0x04A0, | ||
341 | (b43_phy_read(dev, 0x04A0) & 0xBFBF) | tmp); | ||
342 | b43_phy_write(dev, 0x04A1, | ||
343 | (b43_phy_read(dev, 0x04A1) & 0xBFBF) | tmp); | ||
344 | b43_phy_write(dev, 0x04A2, | ||
345 | (b43_phy_read(dev, 0x04A2) & 0xBFBF) | tmp); | ||
346 | } | ||
347 | b43_dummy_transmission(dev); | ||
348 | } | ||
349 | |||
350 | static void b43_set_original_gains(struct b43_wldev *dev) | ||
351 | { | ||
352 | struct b43_phy *phy = &dev->phy; | ||
353 | u16 i, tmp; | ||
354 | u16 table; | ||
355 | u16 start = 0x0008, end = 0x0018; | ||
356 | |||
357 | if (phy->rev <= 1) { | ||
358 | start = 0x0010; | ||
359 | end = 0x0020; | ||
360 | } | ||
361 | |||
362 | table = B43_OFDMTAB_GAINX; | ||
363 | if (phy->rev <= 1) | ||
364 | table = B43_OFDMTAB_GAINX_R1; | ||
365 | for (i = 0; i < 4; i++) { | ||
366 | tmp = (i & 0xFFFC); | ||
367 | tmp |= (i & 0x0001) << 1; | ||
368 | tmp |= (i & 0x0002) >> 1; | ||
369 | |||
370 | b43_ofdmtab_write16(dev, table, i, tmp); | ||
371 | } | ||
372 | |||
373 | for (i = start; i < end; i++) | ||
374 | b43_ofdmtab_write16(dev, table, i, i - start); | ||
375 | |||
376 | b43_phy_write(dev, 0x04A0, | ||
377 | (b43_phy_read(dev, 0x04A0) & 0xBFBF) | 0x4040); | ||
378 | b43_phy_write(dev, 0x04A1, | ||
379 | (b43_phy_read(dev, 0x04A1) & 0xBFBF) | 0x4040); | ||
380 | b43_phy_write(dev, 0x04A2, | ||
381 | (b43_phy_read(dev, 0x04A2) & 0xBFBF) | 0x4000); | ||
382 | b43_dummy_transmission(dev); | ||
383 | } | ||
384 | |||
385 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ | ||
386 | void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val) | ||
387 | { | ||
388 | b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset); | ||
389 | b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val); | ||
390 | } | ||
391 | |||
392 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ | ||
393 | s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset) | ||
394 | { | ||
395 | u16 val; | ||
396 | |||
397 | b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset); | ||
398 | val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA); | ||
399 | |||
400 | return (s16) val; | ||
401 | } | ||
402 | |||
403 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ | ||
404 | void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val) | ||
405 | { | ||
406 | u16 i; | ||
407 | s16 tmp; | ||
408 | |||
409 | for (i = 0; i < 64; i++) { | ||
410 | tmp = b43_nrssi_hw_read(dev, i); | ||
411 | tmp -= val; | ||
412 | tmp = clamp_val(tmp, -32, 31); | ||
413 | b43_nrssi_hw_write(dev, i, tmp); | ||
414 | } | ||
415 | } | ||
416 | |||
417 | /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */ | ||
418 | void b43_nrssi_mem_update(struct b43_wldev *dev) | ||
419 | { | ||
420 | struct b43_phy_g *gphy = dev->phy.g; | ||
421 | s16 i, delta; | ||
422 | s32 tmp; | ||
423 | |||
424 | delta = 0x1F - gphy->nrssi[0]; | ||
425 | for (i = 0; i < 64; i++) { | ||
426 | tmp = (i - delta) * gphy->nrssislope; | ||
427 | tmp /= 0x10000; | ||
428 | tmp += 0x3A; | ||
429 | tmp = clamp_val(tmp, 0, 0x3F); | ||
430 | gphy->nrssi_lt[i] = tmp; | ||
431 | } | ||
432 | } | ||
433 | |||
434 | static void b43_calc_nrssi_offset(struct b43_wldev *dev) | ||
435 | { | ||
436 | struct b43_phy *phy = &dev->phy; | ||
437 | u16 backup[20] = { 0 }; | ||
438 | s16 v47F; | ||
439 | u16 i; | ||
440 | u16 saved = 0xFFFF; | ||
441 | |||
442 | backup[0] = b43_phy_read(dev, 0x0001); | ||
443 | backup[1] = b43_phy_read(dev, 0x0811); | ||
444 | backup[2] = b43_phy_read(dev, 0x0812); | ||
445 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
446 | backup[3] = b43_phy_read(dev, 0x0814); | ||
447 | backup[4] = b43_phy_read(dev, 0x0815); | ||
448 | } | ||
449 | backup[5] = b43_phy_read(dev, 0x005A); | ||
450 | backup[6] = b43_phy_read(dev, 0x0059); | ||
451 | backup[7] = b43_phy_read(dev, 0x0058); | ||
452 | backup[8] = b43_phy_read(dev, 0x000A); | ||
453 | backup[9] = b43_phy_read(dev, 0x0003); | ||
454 | backup[10] = b43_radio_read16(dev, 0x007A); | ||
455 | backup[11] = b43_radio_read16(dev, 0x0043); | ||
456 | |||
457 | b43_phy_write(dev, 0x0429, b43_phy_read(dev, 0x0429) & 0x7FFF); | ||
458 | b43_phy_write(dev, 0x0001, | ||
459 | (b43_phy_read(dev, 0x0001) & 0x3FFF) | 0x4000); | ||
460 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x000C); | ||
461 | b43_phy_write(dev, 0x0812, | ||
462 | (b43_phy_read(dev, 0x0812) & 0xFFF3) | 0x0004); | ||
463 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & ~(0x1 | 0x2)); | ||
464 | if (phy->rev >= 6) { | ||
465 | backup[12] = b43_phy_read(dev, 0x002E); | ||
466 | backup[13] = b43_phy_read(dev, 0x002F); | ||
467 | backup[14] = b43_phy_read(dev, 0x080F); | ||
468 | backup[15] = b43_phy_read(dev, 0x0810); | ||
469 | backup[16] = b43_phy_read(dev, 0x0801); | ||
470 | backup[17] = b43_phy_read(dev, 0x0060); | ||
471 | backup[18] = b43_phy_read(dev, 0x0014); | ||
472 | backup[19] = b43_phy_read(dev, 0x0478); | ||
473 | |||
474 | b43_phy_write(dev, 0x002E, 0); | ||
475 | b43_phy_write(dev, 0x002F, 0); | ||
476 | b43_phy_write(dev, 0x080F, 0); | ||
477 | b43_phy_write(dev, 0x0810, 0); | ||
478 | b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) | 0x0100); | ||
479 | b43_phy_write(dev, 0x0801, b43_phy_read(dev, 0x0801) | 0x0040); | ||
480 | b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) | 0x0040); | ||
481 | b43_phy_write(dev, 0x0014, b43_phy_read(dev, 0x0014) | 0x0200); | ||
482 | } | ||
483 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0070); | ||
484 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0080); | ||
485 | udelay(30); | ||
486 | |||
487 | v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); | ||
488 | if (v47F >= 0x20) | ||
489 | v47F -= 0x40; | ||
490 | if (v47F == 31) { | ||
491 | for (i = 7; i >= 4; i--) { | ||
492 | b43_radio_write16(dev, 0x007B, i); | ||
493 | udelay(20); | ||
494 | v47F = | ||
495 | (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); | ||
496 | if (v47F >= 0x20) | ||
497 | v47F -= 0x40; | ||
498 | if (v47F < 31 && saved == 0xFFFF) | ||
499 | saved = i; | ||
500 | } | ||
501 | if (saved == 0xFFFF) | ||
502 | saved = 4; | ||
503 | } else { | ||
504 | b43_radio_write16(dev, 0x007A, | ||
505 | b43_radio_read16(dev, 0x007A) & 0x007F); | ||
506 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
507 | b43_phy_write(dev, 0x0814, | ||
508 | b43_phy_read(dev, 0x0814) | 0x0001); | ||
509 | b43_phy_write(dev, 0x0815, | ||
510 | b43_phy_read(dev, 0x0815) & 0xFFFE); | ||
511 | } | ||
512 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x000C); | ||
513 | b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) | 0x000C); | ||
514 | b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x0030); | ||
515 | b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) | 0x0030); | ||
516 | b43_phy_write(dev, 0x005A, 0x0480); | ||
517 | b43_phy_write(dev, 0x0059, 0x0810); | ||
518 | b43_phy_write(dev, 0x0058, 0x000D); | ||
519 | if (phy->rev == 0) { | ||
520 | b43_phy_write(dev, 0x0003, 0x0122); | ||
521 | } else { | ||
522 | b43_phy_write(dev, 0x000A, b43_phy_read(dev, 0x000A) | ||
523 | | 0x2000); | ||
524 | } | ||
525 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
526 | b43_phy_write(dev, 0x0814, | ||
527 | b43_phy_read(dev, 0x0814) | 0x0004); | ||
528 | b43_phy_write(dev, 0x0815, | ||
529 | b43_phy_read(dev, 0x0815) & 0xFFFB); | ||
530 | } | ||
531 | b43_phy_write(dev, 0x0003, (b43_phy_read(dev, 0x0003) & 0xFF9F) | ||
532 | | 0x0040); | ||
533 | b43_radio_write16(dev, 0x007A, | ||
534 | b43_radio_read16(dev, 0x007A) | 0x000F); | ||
535 | b43_set_all_gains(dev, 3, 0, 1); | ||
536 | b43_radio_write16(dev, 0x0043, (b43_radio_read16(dev, 0x0043) | ||
537 | & 0x00F0) | 0x000F); | ||
538 | udelay(30); | ||
539 | v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); | ||
540 | if (v47F >= 0x20) | ||
541 | v47F -= 0x40; | ||
542 | if (v47F == -32) { | ||
543 | for (i = 0; i < 4; i++) { | ||
544 | b43_radio_write16(dev, 0x007B, i); | ||
545 | udelay(20); | ||
546 | v47F = | ||
547 | (s16) ((b43_phy_read(dev, 0x047F) >> 8) & | ||
548 | 0x003F); | ||
549 | if (v47F >= 0x20) | ||
550 | v47F -= 0x40; | ||
551 | if (v47F > -31 && saved == 0xFFFF) | ||
552 | saved = i; | ||
553 | } | ||
554 | if (saved == 0xFFFF) | ||
555 | saved = 3; | ||
556 | } else | ||
557 | saved = 0; | ||
558 | } | ||
559 | b43_radio_write16(dev, 0x007B, saved); | ||
560 | |||
561 | if (phy->rev >= 6) { | ||
562 | b43_phy_write(dev, 0x002E, backup[12]); | ||
563 | b43_phy_write(dev, 0x002F, backup[13]); | ||
564 | b43_phy_write(dev, 0x080F, backup[14]); | ||
565 | b43_phy_write(dev, 0x0810, backup[15]); | ||
566 | } | ||
567 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
568 | b43_phy_write(dev, 0x0814, backup[3]); | ||
569 | b43_phy_write(dev, 0x0815, backup[4]); | ||
570 | } | ||
571 | b43_phy_write(dev, 0x005A, backup[5]); | ||
572 | b43_phy_write(dev, 0x0059, backup[6]); | ||
573 | b43_phy_write(dev, 0x0058, backup[7]); | ||
574 | b43_phy_write(dev, 0x000A, backup[8]); | ||
575 | b43_phy_write(dev, 0x0003, backup[9]); | ||
576 | b43_radio_write16(dev, 0x0043, backup[11]); | ||
577 | b43_radio_write16(dev, 0x007A, backup[10]); | ||
578 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2); | ||
579 | b43_phy_write(dev, 0x0429, b43_phy_read(dev, 0x0429) | 0x8000); | ||
580 | b43_set_original_gains(dev); | ||
581 | if (phy->rev >= 6) { | ||
582 | b43_phy_write(dev, 0x0801, backup[16]); | ||
583 | b43_phy_write(dev, 0x0060, backup[17]); | ||
584 | b43_phy_write(dev, 0x0014, backup[18]); | ||
585 | b43_phy_write(dev, 0x0478, backup[19]); | ||
586 | } | ||
587 | b43_phy_write(dev, 0x0001, backup[0]); | ||
588 | b43_phy_write(dev, 0x0812, backup[2]); | ||
589 | b43_phy_write(dev, 0x0811, backup[1]); | ||
590 | } | ||
591 | |||
592 | void b43_calc_nrssi_slope(struct b43_wldev *dev) | ||
593 | { | ||
594 | struct b43_phy *phy = &dev->phy; | ||
595 | struct b43_phy_g *gphy = phy->g; | ||
596 | u16 backup[18] = { 0 }; | ||
597 | u16 tmp; | ||
598 | s16 nrssi0, nrssi1; | ||
599 | |||
600 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); | ||
601 | |||
602 | if (phy->radio_rev >= 9) | ||
603 | return; | ||
604 | if (phy->radio_rev == 8) | ||
605 | b43_calc_nrssi_offset(dev); | ||
606 | |||
607 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
608 | b43_phy_read(dev, B43_PHY_G_CRS) & 0x7FFF); | ||
609 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC); | ||
610 | backup[7] = b43_read16(dev, 0x03E2); | ||
611 | b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000); | ||
612 | backup[0] = b43_radio_read16(dev, 0x007A); | ||
613 | backup[1] = b43_radio_read16(dev, 0x0052); | ||
614 | backup[2] = b43_radio_read16(dev, 0x0043); | ||
615 | backup[3] = b43_phy_read(dev, 0x0015); | ||
616 | backup[4] = b43_phy_read(dev, 0x005A); | ||
617 | backup[5] = b43_phy_read(dev, 0x0059); | ||
618 | backup[6] = b43_phy_read(dev, 0x0058); | ||
619 | backup[8] = b43_read16(dev, 0x03E6); | ||
620 | backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT); | ||
621 | if (phy->rev >= 3) { | ||
622 | backup[10] = b43_phy_read(dev, 0x002E); | ||
623 | backup[11] = b43_phy_read(dev, 0x002F); | ||
624 | backup[12] = b43_phy_read(dev, 0x080F); | ||
625 | backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL); | ||
626 | backup[14] = b43_phy_read(dev, 0x0801); | ||
627 | backup[15] = b43_phy_read(dev, 0x0060); | ||
628 | backup[16] = b43_phy_read(dev, 0x0014); | ||
629 | backup[17] = b43_phy_read(dev, 0x0478); | ||
630 | b43_phy_write(dev, 0x002E, 0); | ||
631 | b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0); | ||
632 | switch (phy->rev) { | ||
633 | case 4: | ||
634 | case 6: | ||
635 | case 7: | ||
636 | b43_phy_write(dev, 0x0478, | ||
637 | b43_phy_read(dev, 0x0478) | ||
638 | | 0x0100); | ||
639 | b43_phy_write(dev, 0x0801, | ||
640 | b43_phy_read(dev, 0x0801) | ||
641 | | 0x0040); | ||
642 | break; | ||
643 | case 3: | ||
644 | case 5: | ||
645 | b43_phy_write(dev, 0x0801, | ||
646 | b43_phy_read(dev, 0x0801) | ||
647 | & 0xFFBF); | ||
648 | break; | ||
649 | } | ||
650 | b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) | ||
651 | | 0x0040); | ||
652 | b43_phy_write(dev, 0x0014, b43_phy_read(dev, 0x0014) | ||
653 | | 0x0200); | ||
654 | } | ||
655 | b43_radio_write16(dev, 0x007A, | ||
656 | b43_radio_read16(dev, 0x007A) | 0x0070); | ||
657 | b43_set_all_gains(dev, 0, 8, 0); | ||
658 | b43_radio_write16(dev, 0x007A, | ||
659 | b43_radio_read16(dev, 0x007A) & 0x00F7); | ||
660 | if (phy->rev >= 2) { | ||
661 | b43_phy_write(dev, 0x0811, | ||
662 | (b43_phy_read(dev, 0x0811) & 0xFFCF) | | ||
663 | 0x0030); | ||
664 | b43_phy_write(dev, 0x0812, | ||
665 | (b43_phy_read(dev, 0x0812) & 0xFFCF) | | ||
666 | 0x0010); | ||
667 | } | ||
668 | b43_radio_write16(dev, 0x007A, | ||
669 | b43_radio_read16(dev, 0x007A) | 0x0080); | ||
670 | udelay(20); | ||
671 | |||
672 | nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); | ||
673 | if (nrssi0 >= 0x0020) | ||
674 | nrssi0 -= 0x0040; | ||
675 | |||
676 | b43_radio_write16(dev, 0x007A, | ||
677 | b43_radio_read16(dev, 0x007A) & 0x007F); | ||
678 | if (phy->rev >= 2) { | ||
679 | b43_phy_write(dev, 0x0003, (b43_phy_read(dev, 0x0003) | ||
680 | & 0xFF9F) | 0x0040); | ||
681 | } | ||
682 | |||
683 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, | ||
684 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) | ||
685 | | 0x2000); | ||
686 | b43_radio_write16(dev, 0x007A, | ||
687 | b43_radio_read16(dev, 0x007A) | 0x000F); | ||
688 | b43_phy_write(dev, 0x0015, 0xF330); | ||
689 | if (phy->rev >= 2) { | ||
690 | b43_phy_write(dev, 0x0812, | ||
691 | (b43_phy_read(dev, 0x0812) & 0xFFCF) | | ||
692 | 0x0020); | ||
693 | b43_phy_write(dev, 0x0811, | ||
694 | (b43_phy_read(dev, 0x0811) & 0xFFCF) | | ||
695 | 0x0020); | ||
696 | } | ||
697 | |||
698 | b43_set_all_gains(dev, 3, 0, 1); | ||
699 | if (phy->radio_rev == 8) { | ||
700 | b43_radio_write16(dev, 0x0043, 0x001F); | ||
701 | } else { | ||
702 | tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F; | ||
703 | b43_radio_write16(dev, 0x0052, tmp | 0x0060); | ||
704 | tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0; | ||
705 | b43_radio_write16(dev, 0x0043, tmp | 0x0009); | ||
706 | } | ||
707 | b43_phy_write(dev, 0x005A, 0x0480); | ||
708 | b43_phy_write(dev, 0x0059, 0x0810); | ||
709 | b43_phy_write(dev, 0x0058, 0x000D); | ||
710 | udelay(20); | ||
711 | nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F); | ||
712 | if (nrssi1 >= 0x0020) | ||
713 | nrssi1 -= 0x0040; | ||
714 | if (nrssi0 == nrssi1) | ||
715 | gphy->nrssislope = 0x00010000; | ||
716 | else | ||
717 | gphy->nrssislope = 0x00400000 / (nrssi0 - nrssi1); | ||
718 | if (nrssi0 >= -4) { | ||
719 | gphy->nrssi[0] = nrssi1; | ||
720 | gphy->nrssi[1] = nrssi0; | ||
721 | } | ||
722 | if (phy->rev >= 3) { | ||
723 | b43_phy_write(dev, 0x002E, backup[10]); | ||
724 | b43_phy_write(dev, 0x002F, backup[11]); | ||
725 | b43_phy_write(dev, 0x080F, backup[12]); | ||
726 | b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]); | ||
727 | } | ||
728 | if (phy->rev >= 2) { | ||
729 | b43_phy_write(dev, 0x0812, | ||
730 | b43_phy_read(dev, 0x0812) & 0xFFCF); | ||
731 | b43_phy_write(dev, 0x0811, | ||
732 | b43_phy_read(dev, 0x0811) & 0xFFCF); | ||
733 | } | ||
734 | |||
735 | b43_radio_write16(dev, 0x007A, backup[0]); | ||
736 | b43_radio_write16(dev, 0x0052, backup[1]); | ||
737 | b43_radio_write16(dev, 0x0043, backup[2]); | ||
738 | b43_write16(dev, 0x03E2, backup[7]); | ||
739 | b43_write16(dev, 0x03E6, backup[8]); | ||
740 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]); | ||
741 | b43_phy_write(dev, 0x0015, backup[3]); | ||
742 | b43_phy_write(dev, 0x005A, backup[4]); | ||
743 | b43_phy_write(dev, 0x0059, backup[5]); | ||
744 | b43_phy_write(dev, 0x0058, backup[6]); | ||
745 | b43_synth_pu_workaround(dev, phy->channel); | ||
746 | b43_phy_write(dev, 0x0802, | ||
747 | b43_phy_read(dev, 0x0802) | (0x0001 | 0x0002)); | ||
748 | b43_set_original_gains(dev); | ||
749 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
750 | b43_phy_read(dev, B43_PHY_G_CRS) | 0x8000); | ||
751 | if (phy->rev >= 3) { | ||
752 | b43_phy_write(dev, 0x0801, backup[14]); | ||
753 | b43_phy_write(dev, 0x0060, backup[15]); | ||
754 | b43_phy_write(dev, 0x0014, backup[16]); | ||
755 | b43_phy_write(dev, 0x0478, backup[17]); | ||
756 | } | ||
757 | b43_nrssi_mem_update(dev); | ||
758 | b43_calc_nrssi_threshold(dev); | ||
759 | } | ||
760 | |||
761 | static void b43_calc_nrssi_threshold(struct b43_wldev *dev) | ||
762 | { | ||
763 | struct b43_phy *phy = &dev->phy; | ||
764 | struct b43_phy_g *gphy = phy->g; | ||
765 | s32 a, b; | ||
766 | s16 tmp16; | ||
767 | u16 tmp_u16; | ||
768 | |||
769 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); | ||
770 | |||
771 | if (!phy->gmode || | ||
772 | !(dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI)) { | ||
773 | tmp16 = b43_nrssi_hw_read(dev, 0x20); | ||
774 | if (tmp16 >= 0x20) | ||
775 | tmp16 -= 0x40; | ||
776 | if (tmp16 < 3) { | ||
777 | b43_phy_write(dev, 0x048A, | ||
778 | (b43_phy_read(dev, 0x048A) | ||
779 | & 0xF000) | 0x09EB); | ||
780 | } else { | ||
781 | b43_phy_write(dev, 0x048A, | ||
782 | (b43_phy_read(dev, 0x048A) | ||
783 | & 0xF000) | 0x0AED); | ||
784 | } | ||
785 | } else { | ||
786 | if (gphy->interfmode == B43_INTERFMODE_NONWLAN) { | ||
787 | a = 0xE; | ||
788 | b = 0xA; | ||
789 | } else if (!gphy->aci_wlan_automatic && gphy->aci_enable) { | ||
790 | a = 0x13; | ||
791 | b = 0x12; | ||
792 | } else { | ||
793 | a = 0xE; | ||
794 | b = 0x11; | ||
795 | } | ||
796 | |||
797 | a = a * (gphy->nrssi[1] - gphy->nrssi[0]); | ||
798 | a += (gphy->nrssi[0] << 6); | ||
799 | if (a < 32) | ||
800 | a += 31; | ||
801 | else | ||
802 | a += 32; | ||
803 | a = a >> 6; | ||
804 | a = clamp_val(a, -31, 31); | ||
805 | |||
806 | b = b * (gphy->nrssi[1] - gphy->nrssi[0]); | ||
807 | b += (gphy->nrssi[0] << 6); | ||
808 | if (b < 32) | ||
809 | b += 31; | ||
810 | else | ||
811 | b += 32; | ||
812 | b = b >> 6; | ||
813 | b = clamp_val(b, -31, 31); | ||
814 | |||
815 | tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000; | ||
816 | tmp_u16 |= ((u32) b & 0x0000003F); | ||
817 | tmp_u16 |= (((u32) a & 0x0000003F) << 6); | ||
818 | b43_phy_write(dev, 0x048A, tmp_u16); | ||
819 | } | ||
820 | } | ||
821 | |||
822 | /* Stack implementation to save/restore values from the | ||
823 | * interference mitigation code. | ||
824 | * It is save to restore values in random order. | ||
825 | */ | ||
826 | static void _stack_save(u32 * _stackptr, size_t * stackidx, | ||
827 | u8 id, u16 offset, u16 value) | ||
828 | { | ||
829 | u32 *stackptr = &(_stackptr[*stackidx]); | ||
830 | |||
831 | B43_WARN_ON(offset & 0xF000); | ||
832 | B43_WARN_ON(id & 0xF0); | ||
833 | *stackptr = offset; | ||
834 | *stackptr |= ((u32) id) << 12; | ||
835 | *stackptr |= ((u32) value) << 16; | ||
836 | (*stackidx)++; | ||
837 | B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE); | ||
838 | } | ||
839 | |||
840 | static u16 _stack_restore(u32 * stackptr, u8 id, u16 offset) | ||
841 | { | ||
842 | size_t i; | ||
843 | |||
844 | B43_WARN_ON(offset & 0xF000); | ||
845 | B43_WARN_ON(id & 0xF0); | ||
846 | for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) { | ||
847 | if ((*stackptr & 0x00000FFF) != offset) | ||
848 | continue; | ||
849 | if (((*stackptr & 0x0000F000) >> 12) != id) | ||
850 | continue; | ||
851 | return ((*stackptr & 0xFFFF0000) >> 16); | ||
852 | } | ||
853 | B43_WARN_ON(1); | ||
854 | |||
855 | return 0; | ||
856 | } | ||
857 | |||
858 | #define phy_stacksave(offset) \ | ||
859 | do { \ | ||
860 | _stack_save(stack, &stackidx, 0x1, (offset), \ | ||
861 | b43_phy_read(dev, (offset))); \ | ||
862 | } while (0) | ||
863 | #define phy_stackrestore(offset) \ | ||
864 | do { \ | ||
865 | b43_phy_write(dev, (offset), \ | ||
866 | _stack_restore(stack, 0x1, \ | ||
867 | (offset))); \ | ||
868 | } while (0) | ||
869 | #define radio_stacksave(offset) \ | ||
870 | do { \ | ||
871 | _stack_save(stack, &stackidx, 0x2, (offset), \ | ||
872 | b43_radio_read16(dev, (offset))); \ | ||
873 | } while (0) | ||
874 | #define radio_stackrestore(offset) \ | ||
875 | do { \ | ||
876 | b43_radio_write16(dev, (offset), \ | ||
877 | _stack_restore(stack, 0x2, \ | ||
878 | (offset))); \ | ||
879 | } while (0) | ||
880 | #define ofdmtab_stacksave(table, offset) \ | ||
881 | do { \ | ||
882 | _stack_save(stack, &stackidx, 0x3, (offset)|(table), \ | ||
883 | b43_ofdmtab_read16(dev, (table), (offset))); \ | ||
884 | } while (0) | ||
885 | #define ofdmtab_stackrestore(table, offset) \ | ||
886 | do { \ | ||
887 | b43_ofdmtab_write16(dev, (table), (offset), \ | ||
888 | _stack_restore(stack, 0x3, \ | ||
889 | (offset)|(table))); \ | ||
890 | } while (0) | ||
891 | |||
892 | static void | ||
893 | b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode) | ||
894 | { | ||
895 | struct b43_phy *phy = &dev->phy; | ||
896 | struct b43_phy_g *gphy = phy->g; | ||
897 | u16 tmp, flipped; | ||
898 | size_t stackidx = 0; | ||
899 | u32 *stack = gphy->interfstack; | ||
900 | |||
901 | switch (mode) { | ||
902 | case B43_INTERFMODE_NONWLAN: | ||
903 | if (phy->rev != 1) { | ||
904 | b43_phy_write(dev, 0x042B, | ||
905 | b43_phy_read(dev, 0x042B) | 0x0800); | ||
906 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
907 | b43_phy_read(dev, | ||
908 | B43_PHY_G_CRS) & ~0x4000); | ||
909 | break; | ||
910 | } | ||
911 | radio_stacksave(0x0078); | ||
912 | tmp = (b43_radio_read16(dev, 0x0078) & 0x001E); | ||
913 | B43_WARN_ON(tmp > 15); | ||
914 | flipped = bitrev4(tmp); | ||
915 | if (flipped < 10 && flipped >= 8) | ||
916 | flipped = 7; | ||
917 | else if (flipped >= 10) | ||
918 | flipped -= 3; | ||
919 | flipped = (bitrev4(flipped) << 1) | 0x0020; | ||
920 | b43_radio_write16(dev, 0x0078, flipped); | ||
921 | |||
922 | b43_calc_nrssi_threshold(dev); | ||
923 | |||
924 | phy_stacksave(0x0406); | ||
925 | b43_phy_write(dev, 0x0406, 0x7E28); | ||
926 | |||
927 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x0800); | ||
928 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, | ||
929 | b43_phy_read(dev, | ||
930 | B43_PHY_RADIO_BITFIELD) | 0x1000); | ||
931 | |||
932 | phy_stacksave(0x04A0); | ||
933 | b43_phy_write(dev, 0x04A0, | ||
934 | (b43_phy_read(dev, 0x04A0) & 0xC0C0) | 0x0008); | ||
935 | phy_stacksave(0x04A1); | ||
936 | b43_phy_write(dev, 0x04A1, | ||
937 | (b43_phy_read(dev, 0x04A1) & 0xC0C0) | 0x0605); | ||
938 | phy_stacksave(0x04A2); | ||
939 | b43_phy_write(dev, 0x04A2, | ||
940 | (b43_phy_read(dev, 0x04A2) & 0xC0C0) | 0x0204); | ||
941 | phy_stacksave(0x04A8); | ||
942 | b43_phy_write(dev, 0x04A8, | ||
943 | (b43_phy_read(dev, 0x04A8) & 0xC0C0) | 0x0803); | ||
944 | phy_stacksave(0x04AB); | ||
945 | b43_phy_write(dev, 0x04AB, | ||
946 | (b43_phy_read(dev, 0x04AB) & 0xC0C0) | 0x0605); | ||
947 | |||
948 | phy_stacksave(0x04A7); | ||
949 | b43_phy_write(dev, 0x04A7, 0x0002); | ||
950 | phy_stacksave(0x04A3); | ||
951 | b43_phy_write(dev, 0x04A3, 0x287A); | ||
952 | phy_stacksave(0x04A9); | ||
953 | b43_phy_write(dev, 0x04A9, 0x2027); | ||
954 | phy_stacksave(0x0493); | ||
955 | b43_phy_write(dev, 0x0493, 0x32F5); | ||
956 | phy_stacksave(0x04AA); | ||
957 | b43_phy_write(dev, 0x04AA, 0x2027); | ||
958 | phy_stacksave(0x04AC); | ||
959 | b43_phy_write(dev, 0x04AC, 0x32F5); | ||
960 | break; | ||
961 | case B43_INTERFMODE_MANUALWLAN: | ||
962 | if (b43_phy_read(dev, 0x0033) & 0x0800) | ||
963 | break; | ||
964 | |||
965 | gphy->aci_enable = 1; | ||
966 | |||
967 | phy_stacksave(B43_PHY_RADIO_BITFIELD); | ||
968 | phy_stacksave(B43_PHY_G_CRS); | ||
969 | if (phy->rev < 2) { | ||
970 | phy_stacksave(0x0406); | ||
971 | } else { | ||
972 | phy_stacksave(0x04C0); | ||
973 | phy_stacksave(0x04C1); | ||
974 | } | ||
975 | phy_stacksave(0x0033); | ||
976 | phy_stacksave(0x04A7); | ||
977 | phy_stacksave(0x04A3); | ||
978 | phy_stacksave(0x04A9); | ||
979 | phy_stacksave(0x04AA); | ||
980 | phy_stacksave(0x04AC); | ||
981 | phy_stacksave(0x0493); | ||
982 | phy_stacksave(0x04A1); | ||
983 | phy_stacksave(0x04A0); | ||
984 | phy_stacksave(0x04A2); | ||
985 | phy_stacksave(0x048A); | ||
986 | phy_stacksave(0x04A8); | ||
987 | phy_stacksave(0x04AB); | ||
988 | if (phy->rev == 2) { | ||
989 | phy_stacksave(0x04AD); | ||
990 | phy_stacksave(0x04AE); | ||
991 | } else if (phy->rev >= 3) { | ||
992 | phy_stacksave(0x04AD); | ||
993 | phy_stacksave(0x0415); | ||
994 | phy_stacksave(0x0416); | ||
995 | phy_stacksave(0x0417); | ||
996 | ofdmtab_stacksave(0x1A00, 0x2); | ||
997 | ofdmtab_stacksave(0x1A00, 0x3); | ||
998 | } | ||
999 | phy_stacksave(0x042B); | ||
1000 | phy_stacksave(0x048C); | ||
1001 | |||
1002 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, | ||
1003 | b43_phy_read(dev, B43_PHY_RADIO_BITFIELD) | ||
1004 | & ~0x1000); | ||
1005 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
1006 | (b43_phy_read(dev, B43_PHY_G_CRS) | ||
1007 | & 0xFFFC) | 0x0002); | ||
1008 | |||
1009 | b43_phy_write(dev, 0x0033, 0x0800); | ||
1010 | b43_phy_write(dev, 0x04A3, 0x2027); | ||
1011 | b43_phy_write(dev, 0x04A9, 0x1CA8); | ||
1012 | b43_phy_write(dev, 0x0493, 0x287A); | ||
1013 | b43_phy_write(dev, 0x04AA, 0x1CA8); | ||
1014 | b43_phy_write(dev, 0x04AC, 0x287A); | ||
1015 | |||
1016 | b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0) | ||
1017 | & 0xFFC0) | 0x001A); | ||
1018 | b43_phy_write(dev, 0x04A7, 0x000D); | ||
1019 | |||
1020 | if (phy->rev < 2) { | ||
1021 | b43_phy_write(dev, 0x0406, 0xFF0D); | ||
1022 | } else if (phy->rev == 2) { | ||
1023 | b43_phy_write(dev, 0x04C0, 0xFFFF); | ||
1024 | b43_phy_write(dev, 0x04C1, 0x00A9); | ||
1025 | } else { | ||
1026 | b43_phy_write(dev, 0x04C0, 0x00C1); | ||
1027 | b43_phy_write(dev, 0x04C1, 0x0059); | ||
1028 | } | ||
1029 | |||
1030 | b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1) | ||
1031 | & 0xC0FF) | 0x1800); | ||
1032 | b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1) | ||
1033 | & 0xFFC0) | 0x0015); | ||
1034 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) | ||
1035 | & 0xCFFF) | 0x1000); | ||
1036 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) | ||
1037 | & 0xF0FF) | 0x0A00); | ||
1038 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) | ||
1039 | & 0xCFFF) | 0x1000); | ||
1040 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) | ||
1041 | & 0xF0FF) | 0x0800); | ||
1042 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) | ||
1043 | & 0xFFCF) | 0x0010); | ||
1044 | b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB) | ||
1045 | & 0xFFF0) | 0x0005); | ||
1046 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) | ||
1047 | & 0xFFCF) | 0x0010); | ||
1048 | b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8) | ||
1049 | & 0xFFF0) | 0x0006); | ||
1050 | b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2) | ||
1051 | & 0xF0FF) | 0x0800); | ||
1052 | b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0) | ||
1053 | & 0xF0FF) | 0x0500); | ||
1054 | b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2) | ||
1055 | & 0xFFF0) | 0x000B); | ||
1056 | |||
1057 | if (phy->rev >= 3) { | ||
1058 | b43_phy_write(dev, 0x048A, b43_phy_read(dev, 0x048A) | ||
1059 | & ~0x8000); | ||
1060 | b43_phy_write(dev, 0x0415, (b43_phy_read(dev, 0x0415) | ||
1061 | & 0x8000) | 0x36D8); | ||
1062 | b43_phy_write(dev, 0x0416, (b43_phy_read(dev, 0x0416) | ||
1063 | & 0x8000) | 0x36D8); | ||
1064 | b43_phy_write(dev, 0x0417, (b43_phy_read(dev, 0x0417) | ||
1065 | & 0xFE00) | 0x016D); | ||
1066 | } else { | ||
1067 | b43_phy_write(dev, 0x048A, b43_phy_read(dev, 0x048A) | ||
1068 | | 0x1000); | ||
1069 | b43_phy_write(dev, 0x048A, (b43_phy_read(dev, 0x048A) | ||
1070 | & 0x9FFF) | 0x2000); | ||
1071 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW); | ||
1072 | } | ||
1073 | if (phy->rev >= 2) { | ||
1074 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | ||
1075 | | 0x0800); | ||
1076 | } | ||
1077 | b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C) | ||
1078 | & 0xF0FF) | 0x0200); | ||
1079 | if (phy->rev == 2) { | ||
1080 | b43_phy_write(dev, 0x04AE, (b43_phy_read(dev, 0x04AE) | ||
1081 | & 0xFF00) | 0x007F); | ||
1082 | b43_phy_write(dev, 0x04AD, (b43_phy_read(dev, 0x04AD) | ||
1083 | & 0x00FF) | 0x1300); | ||
1084 | } else if (phy->rev >= 6) { | ||
1085 | b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F); | ||
1086 | b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F); | ||
1087 | b43_phy_write(dev, 0x04AD, b43_phy_read(dev, 0x04AD) | ||
1088 | & 0x00FF); | ||
1089 | } | ||
1090 | b43_calc_nrssi_slope(dev); | ||
1091 | break; | ||
1092 | default: | ||
1093 | B43_WARN_ON(1); | ||
1094 | } | ||
1095 | } | ||
1096 | |||
1097 | static void | ||
1098 | b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode) | ||
1099 | { | ||
1100 | struct b43_phy *phy = &dev->phy; | ||
1101 | struct b43_phy_g *gphy = phy->g; | ||
1102 | u32 *stack = gphy->interfstack; | ||
1103 | |||
1104 | switch (mode) { | ||
1105 | case B43_INTERFMODE_NONWLAN: | ||
1106 | if (phy->rev != 1) { | ||
1107 | b43_phy_write(dev, 0x042B, | ||
1108 | b43_phy_read(dev, 0x042B) & ~0x0800); | ||
1109 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
1110 | b43_phy_read(dev, | ||
1111 | B43_PHY_G_CRS) | 0x4000); | ||
1112 | break; | ||
1113 | } | ||
1114 | radio_stackrestore(0x0078); | ||
1115 | b43_calc_nrssi_threshold(dev); | ||
1116 | phy_stackrestore(0x0406); | ||
1117 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) & ~0x0800); | ||
1118 | if (!dev->bad_frames_preempt) { | ||
1119 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, | ||
1120 | b43_phy_read(dev, B43_PHY_RADIO_BITFIELD) | ||
1121 | & ~(1 << 11)); | ||
1122 | } | ||
1123 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
1124 | b43_phy_read(dev, B43_PHY_G_CRS) | 0x4000); | ||
1125 | phy_stackrestore(0x04A0); | ||
1126 | phy_stackrestore(0x04A1); | ||
1127 | phy_stackrestore(0x04A2); | ||
1128 | phy_stackrestore(0x04A8); | ||
1129 | phy_stackrestore(0x04AB); | ||
1130 | phy_stackrestore(0x04A7); | ||
1131 | phy_stackrestore(0x04A3); | ||
1132 | phy_stackrestore(0x04A9); | ||
1133 | phy_stackrestore(0x0493); | ||
1134 | phy_stackrestore(0x04AA); | ||
1135 | phy_stackrestore(0x04AC); | ||
1136 | break; | ||
1137 | case B43_INTERFMODE_MANUALWLAN: | ||
1138 | if (!(b43_phy_read(dev, 0x0033) & 0x0800)) | ||
1139 | break; | ||
1140 | |||
1141 | gphy->aci_enable = 0; | ||
1142 | |||
1143 | phy_stackrestore(B43_PHY_RADIO_BITFIELD); | ||
1144 | phy_stackrestore(B43_PHY_G_CRS); | ||
1145 | phy_stackrestore(0x0033); | ||
1146 | phy_stackrestore(0x04A3); | ||
1147 | phy_stackrestore(0x04A9); | ||
1148 | phy_stackrestore(0x0493); | ||
1149 | phy_stackrestore(0x04AA); | ||
1150 | phy_stackrestore(0x04AC); | ||
1151 | phy_stackrestore(0x04A0); | ||
1152 | phy_stackrestore(0x04A7); | ||
1153 | if (phy->rev >= 2) { | ||
1154 | phy_stackrestore(0x04C0); | ||
1155 | phy_stackrestore(0x04C1); | ||
1156 | } else | ||
1157 | phy_stackrestore(0x0406); | ||
1158 | phy_stackrestore(0x04A1); | ||
1159 | phy_stackrestore(0x04AB); | ||
1160 | phy_stackrestore(0x04A8); | ||
1161 | if (phy->rev == 2) { | ||
1162 | phy_stackrestore(0x04AD); | ||
1163 | phy_stackrestore(0x04AE); | ||
1164 | } else if (phy->rev >= 3) { | ||
1165 | phy_stackrestore(0x04AD); | ||
1166 | phy_stackrestore(0x0415); | ||
1167 | phy_stackrestore(0x0416); | ||
1168 | phy_stackrestore(0x0417); | ||
1169 | ofdmtab_stackrestore(0x1A00, 0x2); | ||
1170 | ofdmtab_stackrestore(0x1A00, 0x3); | ||
1171 | } | ||
1172 | phy_stackrestore(0x04A2); | ||
1173 | phy_stackrestore(0x048A); | ||
1174 | phy_stackrestore(0x042B); | ||
1175 | phy_stackrestore(0x048C); | ||
1176 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW); | ||
1177 | b43_calc_nrssi_slope(dev); | ||
1178 | break; | ||
1179 | default: | ||
1180 | B43_WARN_ON(1); | ||
1181 | } | ||
1182 | } | ||
1183 | |||
1184 | #undef phy_stacksave | ||
1185 | #undef phy_stackrestore | ||
1186 | #undef radio_stacksave | ||
1187 | #undef radio_stackrestore | ||
1188 | #undef ofdmtab_stacksave | ||
1189 | #undef ofdmtab_stackrestore | ||
1190 | |||
1191 | static u16 b43_radio_core_calibration_value(struct b43_wldev *dev) | ||
1192 | { | ||
1193 | u16 reg, index, ret; | ||
1194 | |||
1195 | static const u8 rcc_table[] = { | ||
1196 | 0x02, 0x03, 0x01, 0x0F, | ||
1197 | 0x06, 0x07, 0x05, 0x0F, | ||
1198 | 0x0A, 0x0B, 0x09, 0x0F, | ||
1199 | 0x0E, 0x0F, 0x0D, 0x0F, | ||
1200 | }; | ||
1201 | |||
1202 | reg = b43_radio_read16(dev, 0x60); | ||
1203 | index = (reg & 0x001E) >> 1; | ||
1204 | ret = rcc_table[index] << 1; | ||
1205 | ret |= (reg & 0x0001); | ||
1206 | ret |= 0x0020; | ||
1207 | |||
1208 | return ret; | ||
1209 | } | ||
1210 | |||
1211 | #define LPD(L, P, D) (((L) << 2) | ((P) << 1) | ((D) << 0)) | ||
1212 | static u16 radio2050_rfover_val(struct b43_wldev *dev, | ||
1213 | u16 phy_register, unsigned int lpd) | ||
1214 | { | ||
1215 | struct b43_phy *phy = &dev->phy; | ||
1216 | struct b43_phy_g *gphy = phy->g; | ||
1217 | struct ssb_sprom *sprom = &(dev->dev->bus->sprom); | ||
1218 | |||
1219 | if (!phy->gmode) | ||
1220 | return 0; | ||
1221 | |||
1222 | if (has_loopback_gain(phy)) { | ||
1223 | int max_lb_gain = gphy->max_lb_gain; | ||
1224 | u16 extlna; | ||
1225 | u16 i; | ||
1226 | |||
1227 | if (phy->radio_rev == 8) | ||
1228 | max_lb_gain += 0x3E; | ||
1229 | else | ||
1230 | max_lb_gain += 0x26; | ||
1231 | if (max_lb_gain >= 0x46) { | ||
1232 | extlna = 0x3000; | ||
1233 | max_lb_gain -= 0x46; | ||
1234 | } else if (max_lb_gain >= 0x3A) { | ||
1235 | extlna = 0x1000; | ||
1236 | max_lb_gain -= 0x3A; | ||
1237 | } else if (max_lb_gain >= 0x2E) { | ||
1238 | extlna = 0x2000; | ||
1239 | max_lb_gain -= 0x2E; | ||
1240 | } else { | ||
1241 | extlna = 0; | ||
1242 | max_lb_gain -= 0x10; | ||
1243 | } | ||
1244 | |||
1245 | for (i = 0; i < 16; i++) { | ||
1246 | max_lb_gain -= (i * 6); | ||
1247 | if (max_lb_gain < 6) | ||
1248 | break; | ||
1249 | } | ||
1250 | |||
1251 | if ((phy->rev < 7) || | ||
1252 | !(sprom->boardflags_lo & B43_BFL_EXTLNA)) { | ||
1253 | if (phy_register == B43_PHY_RFOVER) { | ||
1254 | return 0x1B3; | ||
1255 | } else if (phy_register == B43_PHY_RFOVERVAL) { | ||
1256 | extlna |= (i << 8); | ||
1257 | switch (lpd) { | ||
1258 | case LPD(0, 1, 1): | ||
1259 | return 0x0F92; | ||
1260 | case LPD(0, 0, 1): | ||
1261 | case LPD(1, 0, 1): | ||
1262 | return (0x0092 | extlna); | ||
1263 | case LPD(1, 0, 0): | ||
1264 | return (0x0093 | extlna); | ||
1265 | } | ||
1266 | B43_WARN_ON(1); | ||
1267 | } | ||
1268 | B43_WARN_ON(1); | ||
1269 | } else { | ||
1270 | if (phy_register == B43_PHY_RFOVER) { | ||
1271 | return 0x9B3; | ||
1272 | } else if (phy_register == B43_PHY_RFOVERVAL) { | ||
1273 | if (extlna) | ||
1274 | extlna |= 0x8000; | ||
1275 | extlna |= (i << 8); | ||
1276 | switch (lpd) { | ||
1277 | case LPD(0, 1, 1): | ||
1278 | return 0x8F92; | ||
1279 | case LPD(0, 0, 1): | ||
1280 | return (0x8092 | extlna); | ||
1281 | case LPD(1, 0, 1): | ||
1282 | return (0x2092 | extlna); | ||
1283 | case LPD(1, 0, 0): | ||
1284 | return (0x2093 | extlna); | ||
1285 | } | ||
1286 | B43_WARN_ON(1); | ||
1287 | } | ||
1288 | B43_WARN_ON(1); | ||
1289 | } | ||
1290 | } else { | ||
1291 | if ((phy->rev < 7) || | ||
1292 | !(sprom->boardflags_lo & B43_BFL_EXTLNA)) { | ||
1293 | if (phy_register == B43_PHY_RFOVER) { | ||
1294 | return 0x1B3; | ||
1295 | } else if (phy_register == B43_PHY_RFOVERVAL) { | ||
1296 | switch (lpd) { | ||
1297 | case LPD(0, 1, 1): | ||
1298 | return 0x0FB2; | ||
1299 | case LPD(0, 0, 1): | ||
1300 | return 0x00B2; | ||
1301 | case LPD(1, 0, 1): | ||
1302 | return 0x30B2; | ||
1303 | case LPD(1, 0, 0): | ||
1304 | return 0x30B3; | ||
1305 | } | ||
1306 | B43_WARN_ON(1); | ||
1307 | } | ||
1308 | B43_WARN_ON(1); | ||
1309 | } else { | ||
1310 | if (phy_register == B43_PHY_RFOVER) { | ||
1311 | return 0x9B3; | ||
1312 | } else if (phy_register == B43_PHY_RFOVERVAL) { | ||
1313 | switch (lpd) { | ||
1314 | case LPD(0, 1, 1): | ||
1315 | return 0x8FB2; | ||
1316 | case LPD(0, 0, 1): | ||
1317 | return 0x80B2; | ||
1318 | case LPD(1, 0, 1): | ||
1319 | return 0x20B2; | ||
1320 | case LPD(1, 0, 0): | ||
1321 | return 0x20B3; | ||
1322 | } | ||
1323 | B43_WARN_ON(1); | ||
1324 | } | ||
1325 | B43_WARN_ON(1); | ||
1326 | } | ||
1327 | } | ||
1328 | return 0; | ||
1329 | } | ||
1330 | |||
1331 | struct init2050_saved_values { | ||
1332 | /* Core registers */ | ||
1333 | u16 reg_3EC; | ||
1334 | u16 reg_3E6; | ||
1335 | u16 reg_3F4; | ||
1336 | /* Radio registers */ | ||
1337 | u16 radio_43; | ||
1338 | u16 radio_51; | ||
1339 | u16 radio_52; | ||
1340 | /* PHY registers */ | ||
1341 | u16 phy_pgactl; | ||
1342 | u16 phy_cck_5A; | ||
1343 | u16 phy_cck_59; | ||
1344 | u16 phy_cck_58; | ||
1345 | u16 phy_cck_30; | ||
1346 | u16 phy_rfover; | ||
1347 | u16 phy_rfoverval; | ||
1348 | u16 phy_analogover; | ||
1349 | u16 phy_analogoverval; | ||
1350 | u16 phy_crs0; | ||
1351 | u16 phy_classctl; | ||
1352 | u16 phy_lo_mask; | ||
1353 | u16 phy_lo_ctl; | ||
1354 | u16 phy_syncctl; | ||
1355 | }; | ||
1356 | |||
1357 | u16 b43_radio_init2050(struct b43_wldev *dev) | ||
1358 | { | ||
1359 | struct b43_phy *phy = &dev->phy; | ||
1360 | struct init2050_saved_values sav; | ||
1361 | u16 rcc; | ||
1362 | u16 radio78; | ||
1363 | u16 ret; | ||
1364 | u16 i, j; | ||
1365 | u32 tmp1 = 0, tmp2 = 0; | ||
1366 | |||
1367 | memset(&sav, 0, sizeof(sav)); /* get rid of "may be used uninitialized..." */ | ||
1368 | |||
1369 | sav.radio_43 = b43_radio_read16(dev, 0x43); | ||
1370 | sav.radio_51 = b43_radio_read16(dev, 0x51); | ||
1371 | sav.radio_52 = b43_radio_read16(dev, 0x52); | ||
1372 | sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL); | ||
1373 | sav.phy_cck_5A = b43_phy_read(dev, B43_PHY_CCK(0x5A)); | ||
1374 | sav.phy_cck_59 = b43_phy_read(dev, B43_PHY_CCK(0x59)); | ||
1375 | sav.phy_cck_58 = b43_phy_read(dev, B43_PHY_CCK(0x58)); | ||
1376 | |||
1377 | if (phy->type == B43_PHYTYPE_B) { | ||
1378 | sav.phy_cck_30 = b43_phy_read(dev, B43_PHY_CCK(0x30)); | ||
1379 | sav.reg_3EC = b43_read16(dev, 0x3EC); | ||
1380 | |||
1381 | b43_phy_write(dev, B43_PHY_CCK(0x30), 0xFF); | ||
1382 | b43_write16(dev, 0x3EC, 0x3F3F); | ||
1383 | } else if (phy->gmode || phy->rev >= 2) { | ||
1384 | sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER); | ||
1385 | sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL); | ||
1386 | sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER); | ||
1387 | sav.phy_analogoverval = | ||
1388 | b43_phy_read(dev, B43_PHY_ANALOGOVERVAL); | ||
1389 | sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0); | ||
1390 | sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL); | ||
1391 | |||
1392 | b43_phy_write(dev, B43_PHY_ANALOGOVER, | ||
1393 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | ||
1394 | | 0x0003); | ||
1395 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, | ||
1396 | b43_phy_read(dev, B43_PHY_ANALOGOVERVAL) | ||
1397 | & 0xFFFC); | ||
1398 | b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0) | ||
1399 | & 0x7FFF); | ||
1400 | b43_phy_write(dev, B43_PHY_CLASSCTL, | ||
1401 | b43_phy_read(dev, B43_PHY_CLASSCTL) | ||
1402 | & 0xFFFC); | ||
1403 | if (has_loopback_gain(phy)) { | ||
1404 | sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK); | ||
1405 | sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL); | ||
1406 | |||
1407 | if (phy->rev >= 3) | ||
1408 | b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020); | ||
1409 | else | ||
1410 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020); | ||
1411 | b43_phy_write(dev, B43_PHY_LO_CTL, 0); | ||
1412 | } | ||
1413 | |||
1414 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1415 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, | ||
1416 | LPD(0, 1, 1))); | ||
1417 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1418 | radio2050_rfover_val(dev, B43_PHY_RFOVER, 0)); | ||
1419 | } | ||
1420 | b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000); | ||
1421 | |||
1422 | sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL); | ||
1423 | b43_phy_write(dev, B43_PHY_SYNCCTL, b43_phy_read(dev, B43_PHY_SYNCCTL) | ||
1424 | & 0xFF7F); | ||
1425 | sav.reg_3E6 = b43_read16(dev, 0x3E6); | ||
1426 | sav.reg_3F4 = b43_read16(dev, 0x3F4); | ||
1427 | |||
1428 | if (phy->analog == 0) { | ||
1429 | b43_write16(dev, 0x03E6, 0x0122); | ||
1430 | } else { | ||
1431 | if (phy->analog >= 2) { | ||
1432 | b43_phy_write(dev, B43_PHY_CCK(0x03), | ||
1433 | (b43_phy_read(dev, B43_PHY_CCK(0x03)) | ||
1434 | & 0xFFBF) | 0x40); | ||
1435 | } | ||
1436 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, | ||
1437 | (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000)); | ||
1438 | } | ||
1439 | |||
1440 | rcc = b43_radio_core_calibration_value(dev); | ||
1441 | |||
1442 | if (phy->type == B43_PHYTYPE_B) | ||
1443 | b43_radio_write16(dev, 0x78, 0x26); | ||
1444 | if (phy->gmode || phy->rev >= 2) { | ||
1445 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1446 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, | ||
1447 | LPD(0, 1, 1))); | ||
1448 | } | ||
1449 | b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF); | ||
1450 | b43_phy_write(dev, B43_PHY_CCK(0x2B), 0x1403); | ||
1451 | if (phy->gmode || phy->rev >= 2) { | ||
1452 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1453 | radio2050_rfover_val(dev, B43_PHY_RFOVERVAL, | ||
1454 | LPD(0, 0, 1))); | ||
1455 | } | ||
1456 | b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0); | ||
1457 | b43_radio_write16(dev, 0x51, b43_radio_read16(dev, 0x51) | ||
1458 | | 0x0004); | ||
1459 | if (phy->radio_rev == 8) { | ||
1460 | b43_radio_write16(dev, 0x43, 0x1F); | ||
1461 | } else { | ||
1462 | b43_radio_write16(dev, 0x52, 0); | ||
1463 | b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43) | ||
1464 | & 0xFFF0) | 0x0009); | ||
1465 | } | ||
1466 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); | ||
1467 | |||
1468 | for (i = 0; i < 16; i++) { | ||
1469 | b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0480); | ||
1470 | b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810); | ||
1471 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D); | ||
1472 | if (phy->gmode || phy->rev >= 2) { | ||
1473 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1474 | radio2050_rfover_val(dev, | ||
1475 | B43_PHY_RFOVERVAL, | ||
1476 | LPD(1, 0, 1))); | ||
1477 | } | ||
1478 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); | ||
1479 | udelay(10); | ||
1480 | if (phy->gmode || phy->rev >= 2) { | ||
1481 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1482 | radio2050_rfover_val(dev, | ||
1483 | B43_PHY_RFOVERVAL, | ||
1484 | LPD(1, 0, 1))); | ||
1485 | } | ||
1486 | b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0); | ||
1487 | udelay(10); | ||
1488 | if (phy->gmode || phy->rev >= 2) { | ||
1489 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1490 | radio2050_rfover_val(dev, | ||
1491 | B43_PHY_RFOVERVAL, | ||
1492 | LPD(1, 0, 0))); | ||
1493 | } | ||
1494 | b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0); | ||
1495 | udelay(20); | ||
1496 | tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE); | ||
1497 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); | ||
1498 | if (phy->gmode || phy->rev >= 2) { | ||
1499 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1500 | radio2050_rfover_val(dev, | ||
1501 | B43_PHY_RFOVERVAL, | ||
1502 | LPD(1, 0, 1))); | ||
1503 | } | ||
1504 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); | ||
1505 | } | ||
1506 | udelay(10); | ||
1507 | |||
1508 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); | ||
1509 | tmp1++; | ||
1510 | tmp1 >>= 9; | ||
1511 | |||
1512 | for (i = 0; i < 16; i++) { | ||
1513 | radio78 = (bitrev4(i) << 1) | 0x0020; | ||
1514 | b43_radio_write16(dev, 0x78, radio78); | ||
1515 | udelay(10); | ||
1516 | for (j = 0; j < 16; j++) { | ||
1517 | b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0D80); | ||
1518 | b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810); | ||
1519 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D); | ||
1520 | if (phy->gmode || phy->rev >= 2) { | ||
1521 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1522 | radio2050_rfover_val(dev, | ||
1523 | B43_PHY_RFOVERVAL, | ||
1524 | LPD(1, 0, | ||
1525 | 1))); | ||
1526 | } | ||
1527 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); | ||
1528 | udelay(10); | ||
1529 | if (phy->gmode || phy->rev >= 2) { | ||
1530 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1531 | radio2050_rfover_val(dev, | ||
1532 | B43_PHY_RFOVERVAL, | ||
1533 | LPD(1, 0, | ||
1534 | 1))); | ||
1535 | } | ||
1536 | b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0); | ||
1537 | udelay(10); | ||
1538 | if (phy->gmode || phy->rev >= 2) { | ||
1539 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1540 | radio2050_rfover_val(dev, | ||
1541 | B43_PHY_RFOVERVAL, | ||
1542 | LPD(1, 0, | ||
1543 | 0))); | ||
1544 | } | ||
1545 | b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0); | ||
1546 | udelay(10); | ||
1547 | tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE); | ||
1548 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0); | ||
1549 | if (phy->gmode || phy->rev >= 2) { | ||
1550 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1551 | radio2050_rfover_val(dev, | ||
1552 | B43_PHY_RFOVERVAL, | ||
1553 | LPD(1, 0, | ||
1554 | 1))); | ||
1555 | } | ||
1556 | b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0); | ||
1557 | } | ||
1558 | tmp2++; | ||
1559 | tmp2 >>= 8; | ||
1560 | if (tmp1 < tmp2) | ||
1561 | break; | ||
1562 | } | ||
1563 | |||
1564 | /* Restore the registers */ | ||
1565 | b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl); | ||
1566 | b43_radio_write16(dev, 0x51, sav.radio_51); | ||
1567 | b43_radio_write16(dev, 0x52, sav.radio_52); | ||
1568 | b43_radio_write16(dev, 0x43, sav.radio_43); | ||
1569 | b43_phy_write(dev, B43_PHY_CCK(0x5A), sav.phy_cck_5A); | ||
1570 | b43_phy_write(dev, B43_PHY_CCK(0x59), sav.phy_cck_59); | ||
1571 | b43_phy_write(dev, B43_PHY_CCK(0x58), sav.phy_cck_58); | ||
1572 | b43_write16(dev, 0x3E6, sav.reg_3E6); | ||
1573 | if (phy->analog != 0) | ||
1574 | b43_write16(dev, 0x3F4, sav.reg_3F4); | ||
1575 | b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl); | ||
1576 | b43_synth_pu_workaround(dev, phy->channel); | ||
1577 | if (phy->type == B43_PHYTYPE_B) { | ||
1578 | b43_phy_write(dev, B43_PHY_CCK(0x30), sav.phy_cck_30); | ||
1579 | b43_write16(dev, 0x3EC, sav.reg_3EC); | ||
1580 | } else if (phy->gmode) { | ||
1581 | b43_write16(dev, B43_MMIO_PHY_RADIO, | ||
1582 | b43_read16(dev, B43_MMIO_PHY_RADIO) | ||
1583 | & 0x7FFF); | ||
1584 | b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover); | ||
1585 | b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval); | ||
1586 | b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover); | ||
1587 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, | ||
1588 | sav.phy_analogoverval); | ||
1589 | b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0); | ||
1590 | b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl); | ||
1591 | if (has_loopback_gain(phy)) { | ||
1592 | b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask); | ||
1593 | b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl); | ||
1594 | } | ||
1595 | } | ||
1596 | if (i > 15) | ||
1597 | ret = radio78; | ||
1598 | else | ||
1599 | ret = rcc; | ||
1600 | |||
1601 | return ret; | ||
1602 | } | ||
1603 | |||
1604 | static void b43_phy_initb5(struct b43_wldev *dev) | ||
1605 | { | ||
1606 | struct ssb_bus *bus = dev->dev->bus; | ||
1607 | struct b43_phy *phy = &dev->phy; | ||
1608 | struct b43_phy_g *gphy = phy->g; | ||
1609 | u16 offset, value; | ||
1610 | u8 old_channel; | ||
1611 | |||
1612 | if (phy->analog == 1) { | ||
1613 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | ||
1614 | | 0x0050); | ||
1615 | } | ||
1616 | if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) && | ||
1617 | (bus->boardinfo.type != SSB_BOARD_BU4306)) { | ||
1618 | value = 0x2120; | ||
1619 | for (offset = 0x00A8; offset < 0x00C7; offset++) { | ||
1620 | b43_phy_write(dev, offset, value); | ||
1621 | value += 0x202; | ||
1622 | } | ||
1623 | } | ||
1624 | b43_phy_write(dev, 0x0035, (b43_phy_read(dev, 0x0035) & 0xF0FF) | ||
1625 | | 0x0700); | ||
1626 | if (phy->radio_ver == 0x2050) | ||
1627 | b43_phy_write(dev, 0x0038, 0x0667); | ||
1628 | |||
1629 | if (phy->gmode || phy->rev >= 2) { | ||
1630 | if (phy->radio_ver == 0x2050) { | ||
1631 | b43_radio_write16(dev, 0x007A, | ||
1632 | b43_radio_read16(dev, 0x007A) | ||
1633 | | 0x0020); | ||
1634 | b43_radio_write16(dev, 0x0051, | ||
1635 | b43_radio_read16(dev, 0x0051) | ||
1636 | | 0x0004); | ||
1637 | } | ||
1638 | b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000); | ||
1639 | |||
1640 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x0100); | ||
1641 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x2000); | ||
1642 | |||
1643 | b43_phy_write(dev, 0x001C, 0x186A); | ||
1644 | |||
1645 | b43_phy_write(dev, 0x0013, | ||
1646 | (b43_phy_read(dev, 0x0013) & 0x00FF) | 0x1900); | ||
1647 | b43_phy_write(dev, 0x0035, | ||
1648 | (b43_phy_read(dev, 0x0035) & 0xFFC0) | 0x0064); | ||
1649 | b43_phy_write(dev, 0x005D, | ||
1650 | (b43_phy_read(dev, 0x005D) & 0xFF80) | 0x000A); | ||
1651 | } | ||
1652 | |||
1653 | if (dev->bad_frames_preempt) { | ||
1654 | b43_phy_write(dev, B43_PHY_RADIO_BITFIELD, | ||
1655 | b43_phy_read(dev, | ||
1656 | B43_PHY_RADIO_BITFIELD) | (1 << 11)); | ||
1657 | } | ||
1658 | |||
1659 | if (phy->analog == 1) { | ||
1660 | b43_phy_write(dev, 0x0026, 0xCE00); | ||
1661 | b43_phy_write(dev, 0x0021, 0x3763); | ||
1662 | b43_phy_write(dev, 0x0022, 0x1BC3); | ||
1663 | b43_phy_write(dev, 0x0023, 0x06F9); | ||
1664 | b43_phy_write(dev, 0x0024, 0x037E); | ||
1665 | } else | ||
1666 | b43_phy_write(dev, 0x0026, 0xCC00); | ||
1667 | b43_phy_write(dev, 0x0030, 0x00C6); | ||
1668 | b43_write16(dev, 0x03EC, 0x3F22); | ||
1669 | |||
1670 | if (phy->analog == 1) | ||
1671 | b43_phy_write(dev, 0x0020, 0x3E1C); | ||
1672 | else | ||
1673 | b43_phy_write(dev, 0x0020, 0x301C); | ||
1674 | |||
1675 | if (phy->analog == 0) | ||
1676 | b43_write16(dev, 0x03E4, 0x3000); | ||
1677 | |||
1678 | old_channel = phy->channel; | ||
1679 | /* Force to channel 7, even if not supported. */ | ||
1680 | b43_gphy_channel_switch(dev, 7, 0); | ||
1681 | |||
1682 | if (phy->radio_ver != 0x2050) { | ||
1683 | b43_radio_write16(dev, 0x0075, 0x0080); | ||
1684 | b43_radio_write16(dev, 0x0079, 0x0081); | ||
1685 | } | ||
1686 | |||
1687 | b43_radio_write16(dev, 0x0050, 0x0020); | ||
1688 | b43_radio_write16(dev, 0x0050, 0x0023); | ||
1689 | |||
1690 | if (phy->radio_ver == 0x2050) { | ||
1691 | b43_radio_write16(dev, 0x0050, 0x0020); | ||
1692 | b43_radio_write16(dev, 0x005A, 0x0070); | ||
1693 | } | ||
1694 | |||
1695 | b43_radio_write16(dev, 0x005B, 0x007B); | ||
1696 | b43_radio_write16(dev, 0x005C, 0x00B0); | ||
1697 | |||
1698 | b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0007); | ||
1699 | |||
1700 | b43_gphy_channel_switch(dev, old_channel, 0); | ||
1701 | |||
1702 | b43_phy_write(dev, 0x0014, 0x0080); | ||
1703 | b43_phy_write(dev, 0x0032, 0x00CA); | ||
1704 | b43_phy_write(dev, 0x002A, 0x88A3); | ||
1705 | |||
1706 | b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control); | ||
1707 | |||
1708 | if (phy->radio_ver == 0x2050) | ||
1709 | b43_radio_write16(dev, 0x005D, 0x000D); | ||
1710 | |||
1711 | b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004); | ||
1712 | } | ||
1713 | |||
1714 | static void b43_phy_initb6(struct b43_wldev *dev) | ||
1715 | { | ||
1716 | struct b43_phy *phy = &dev->phy; | ||
1717 | struct b43_phy_g *gphy = phy->g; | ||
1718 | u16 offset, val; | ||
1719 | u8 old_channel; | ||
1720 | |||
1721 | b43_phy_write(dev, 0x003E, 0x817A); | ||
1722 | b43_radio_write16(dev, 0x007A, | ||
1723 | (b43_radio_read16(dev, 0x007A) | 0x0058)); | ||
1724 | if (phy->radio_rev == 4 || phy->radio_rev == 5) { | ||
1725 | b43_radio_write16(dev, 0x51, 0x37); | ||
1726 | b43_radio_write16(dev, 0x52, 0x70); | ||
1727 | b43_radio_write16(dev, 0x53, 0xB3); | ||
1728 | b43_radio_write16(dev, 0x54, 0x9B); | ||
1729 | b43_radio_write16(dev, 0x5A, 0x88); | ||
1730 | b43_radio_write16(dev, 0x5B, 0x88); | ||
1731 | b43_radio_write16(dev, 0x5D, 0x88); | ||
1732 | b43_radio_write16(dev, 0x5E, 0x88); | ||
1733 | b43_radio_write16(dev, 0x7D, 0x88); | ||
1734 | b43_hf_write(dev, b43_hf_read(dev) | ||
1735 | | B43_HF_TSSIRPSMW); | ||
1736 | } | ||
1737 | B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7); /* We had code for these revs here... */ | ||
1738 | if (phy->radio_rev == 8) { | ||
1739 | b43_radio_write16(dev, 0x51, 0); | ||
1740 | b43_radio_write16(dev, 0x52, 0x40); | ||
1741 | b43_radio_write16(dev, 0x53, 0xB7); | ||
1742 | b43_radio_write16(dev, 0x54, 0x98); | ||
1743 | b43_radio_write16(dev, 0x5A, 0x88); | ||
1744 | b43_radio_write16(dev, 0x5B, 0x6B); | ||
1745 | b43_radio_write16(dev, 0x5C, 0x0F); | ||
1746 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_ALTIQ) { | ||
1747 | b43_radio_write16(dev, 0x5D, 0xFA); | ||
1748 | b43_radio_write16(dev, 0x5E, 0xD8); | ||
1749 | } else { | ||
1750 | b43_radio_write16(dev, 0x5D, 0xF5); | ||
1751 | b43_radio_write16(dev, 0x5E, 0xB8); | ||
1752 | } | ||
1753 | b43_radio_write16(dev, 0x0073, 0x0003); | ||
1754 | b43_radio_write16(dev, 0x007D, 0x00A8); | ||
1755 | b43_radio_write16(dev, 0x007C, 0x0001); | ||
1756 | b43_radio_write16(dev, 0x007E, 0x0008); | ||
1757 | } | ||
1758 | val = 0x1E1F; | ||
1759 | for (offset = 0x0088; offset < 0x0098; offset++) { | ||
1760 | b43_phy_write(dev, offset, val); | ||
1761 | val -= 0x0202; | ||
1762 | } | ||
1763 | val = 0x3E3F; | ||
1764 | for (offset = 0x0098; offset < 0x00A8; offset++) { | ||
1765 | b43_phy_write(dev, offset, val); | ||
1766 | val -= 0x0202; | ||
1767 | } | ||
1768 | val = 0x2120; | ||
1769 | for (offset = 0x00A8; offset < 0x00C8; offset++) { | ||
1770 | b43_phy_write(dev, offset, (val & 0x3F3F)); | ||
1771 | val += 0x0202; | ||
1772 | } | ||
1773 | if (phy->type == B43_PHYTYPE_G) { | ||
1774 | b43_radio_write16(dev, 0x007A, | ||
1775 | b43_radio_read16(dev, 0x007A) | 0x0020); | ||
1776 | b43_radio_write16(dev, 0x0051, | ||
1777 | b43_radio_read16(dev, 0x0051) | 0x0004); | ||
1778 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x0100); | ||
1779 | b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x2000); | ||
1780 | b43_phy_write(dev, 0x5B, 0); | ||
1781 | b43_phy_write(dev, 0x5C, 0); | ||
1782 | } | ||
1783 | |||
1784 | old_channel = phy->channel; | ||
1785 | if (old_channel >= 8) | ||
1786 | b43_gphy_channel_switch(dev, 1, 0); | ||
1787 | else | ||
1788 | b43_gphy_channel_switch(dev, 13, 0); | ||
1789 | |||
1790 | b43_radio_write16(dev, 0x0050, 0x0020); | ||
1791 | b43_radio_write16(dev, 0x0050, 0x0023); | ||
1792 | udelay(40); | ||
1793 | if (phy->radio_rev < 6 || phy->radio_rev == 8) { | ||
1794 | b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C) | ||
1795 | | 0x0002)); | ||
1796 | b43_radio_write16(dev, 0x50, 0x20); | ||
1797 | } | ||
1798 | if (phy->radio_rev <= 2) { | ||
1799 | b43_radio_write16(dev, 0x7C, 0x20); | ||
1800 | b43_radio_write16(dev, 0x5A, 0x70); | ||
1801 | b43_radio_write16(dev, 0x5B, 0x7B); | ||
1802 | b43_radio_write16(dev, 0x5C, 0xB0); | ||
1803 | } | ||
1804 | b43_radio_write16(dev, 0x007A, | ||
1805 | (b43_radio_read16(dev, 0x007A) & 0x00F8) | 0x0007); | ||
1806 | |||
1807 | b43_gphy_channel_switch(dev, old_channel, 0); | ||
1808 | |||
1809 | b43_phy_write(dev, 0x0014, 0x0200); | ||
1810 | if (phy->radio_rev >= 6) | ||
1811 | b43_phy_write(dev, 0x2A, 0x88C2); | ||
1812 | else | ||
1813 | b43_phy_write(dev, 0x2A, 0x8AC0); | ||
1814 | b43_phy_write(dev, 0x0038, 0x0668); | ||
1815 | b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, gphy->tx_control); | ||
1816 | if (phy->radio_rev <= 5) { | ||
1817 | b43_phy_write(dev, 0x5D, (b43_phy_read(dev, 0x5D) | ||
1818 | & 0xFF80) | 0x0003); | ||
1819 | } | ||
1820 | if (phy->radio_rev <= 2) | ||
1821 | b43_radio_write16(dev, 0x005D, 0x000D); | ||
1822 | |||
1823 | if (phy->analog == 4) { | ||
1824 | b43_write16(dev, 0x3E4, 9); | ||
1825 | b43_phy_write(dev, 0x61, b43_phy_read(dev, 0x61) | ||
1826 | & 0x0FFF); | ||
1827 | } else { | ||
1828 | b43_phy_write(dev, 0x0002, (b43_phy_read(dev, 0x0002) & 0xFFC0) | ||
1829 | | 0x0004); | ||
1830 | } | ||
1831 | if (phy->type == B43_PHYTYPE_B) | ||
1832 | B43_WARN_ON(1); | ||
1833 | else if (phy->type == B43_PHYTYPE_G) | ||
1834 | b43_write16(dev, 0x03E6, 0x0); | ||
1835 | } | ||
1836 | |||
1837 | static void b43_calc_loopback_gain(struct b43_wldev *dev) | ||
1838 | { | ||
1839 | struct b43_phy *phy = &dev->phy; | ||
1840 | struct b43_phy_g *gphy = phy->g; | ||
1841 | u16 backup_phy[16] = { 0 }; | ||
1842 | u16 backup_radio[3]; | ||
1843 | u16 backup_bband; | ||
1844 | u16 i, j, loop_i_max; | ||
1845 | u16 trsw_rx; | ||
1846 | u16 loop1_outer_done, loop1_inner_done; | ||
1847 | |||
1848 | backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0); | ||
1849 | backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG); | ||
1850 | backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER); | ||
1851 | backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL); | ||
1852 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
1853 | backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER); | ||
1854 | backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL); | ||
1855 | } | ||
1856 | backup_phy[6] = b43_phy_read(dev, B43_PHY_CCK(0x5A)); | ||
1857 | backup_phy[7] = b43_phy_read(dev, B43_PHY_CCK(0x59)); | ||
1858 | backup_phy[8] = b43_phy_read(dev, B43_PHY_CCK(0x58)); | ||
1859 | backup_phy[9] = b43_phy_read(dev, B43_PHY_CCK(0x0A)); | ||
1860 | backup_phy[10] = b43_phy_read(dev, B43_PHY_CCK(0x03)); | ||
1861 | backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK); | ||
1862 | backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL); | ||
1863 | backup_phy[13] = b43_phy_read(dev, B43_PHY_CCK(0x2B)); | ||
1864 | backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL); | ||
1865 | backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE); | ||
1866 | backup_bband = gphy->bbatt.att; | ||
1867 | backup_radio[0] = b43_radio_read16(dev, 0x52); | ||
1868 | backup_radio[1] = b43_radio_read16(dev, 0x43); | ||
1869 | backup_radio[2] = b43_radio_read16(dev, 0x7A); | ||
1870 | |||
1871 | b43_phy_write(dev, B43_PHY_CRS0, | ||
1872 | b43_phy_read(dev, B43_PHY_CRS0) & 0x3FFF); | ||
1873 | b43_phy_write(dev, B43_PHY_CCKBBANDCFG, | ||
1874 | b43_phy_read(dev, B43_PHY_CCKBBANDCFG) | 0x8000); | ||
1875 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1876 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0002); | ||
1877 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1878 | b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xFFFD); | ||
1879 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1880 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0001); | ||
1881 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1882 | b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xFFFE); | ||
1883 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
1884 | b43_phy_write(dev, B43_PHY_ANALOGOVER, | ||
1885 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0001); | ||
1886 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, | ||
1887 | b43_phy_read(dev, | ||
1888 | B43_PHY_ANALOGOVERVAL) & 0xFFFE); | ||
1889 | b43_phy_write(dev, B43_PHY_ANALOGOVER, | ||
1890 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0002); | ||
1891 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, | ||
1892 | b43_phy_read(dev, | ||
1893 | B43_PHY_ANALOGOVERVAL) & 0xFFFD); | ||
1894 | } | ||
1895 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1896 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x000C); | ||
1897 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1898 | b43_phy_read(dev, B43_PHY_RFOVERVAL) | 0x000C); | ||
1899 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1900 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0030); | ||
1901 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1902 | (b43_phy_read(dev, B43_PHY_RFOVERVAL) | ||
1903 | & 0xFFCF) | 0x10); | ||
1904 | |||
1905 | b43_phy_write(dev, B43_PHY_CCK(0x5A), 0x0780); | ||
1906 | b43_phy_write(dev, B43_PHY_CCK(0x59), 0xC810); | ||
1907 | b43_phy_write(dev, B43_PHY_CCK(0x58), 0x000D); | ||
1908 | |||
1909 | b43_phy_write(dev, B43_PHY_CCK(0x0A), | ||
1910 | b43_phy_read(dev, B43_PHY_CCK(0x0A)) | 0x2000); | ||
1911 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
1912 | b43_phy_write(dev, B43_PHY_ANALOGOVER, | ||
1913 | b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0004); | ||
1914 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, | ||
1915 | b43_phy_read(dev, | ||
1916 | B43_PHY_ANALOGOVERVAL) & 0xFFFB); | ||
1917 | } | ||
1918 | b43_phy_write(dev, B43_PHY_CCK(0x03), | ||
1919 | (b43_phy_read(dev, B43_PHY_CCK(0x03)) | ||
1920 | & 0xFF9F) | 0x40); | ||
1921 | |||
1922 | if (phy->radio_rev == 8) { | ||
1923 | b43_radio_write16(dev, 0x43, 0x000F); | ||
1924 | } else { | ||
1925 | b43_radio_write16(dev, 0x52, 0); | ||
1926 | b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43) | ||
1927 | & 0xFFF0) | 0x9); | ||
1928 | } | ||
1929 | b43_gphy_set_baseband_attenuation(dev, 11); | ||
1930 | |||
1931 | if (phy->rev >= 3) | ||
1932 | b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020); | ||
1933 | else | ||
1934 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020); | ||
1935 | b43_phy_write(dev, B43_PHY_LO_CTL, 0); | ||
1936 | |||
1937 | b43_phy_write(dev, B43_PHY_CCK(0x2B), | ||
1938 | (b43_phy_read(dev, B43_PHY_CCK(0x2B)) | ||
1939 | & 0xFFC0) | 0x01); | ||
1940 | b43_phy_write(dev, B43_PHY_CCK(0x2B), | ||
1941 | (b43_phy_read(dev, B43_PHY_CCK(0x2B)) | ||
1942 | & 0xC0FF) | 0x800); | ||
1943 | |||
1944 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1945 | b43_phy_read(dev, B43_PHY_RFOVER) | 0x0100); | ||
1946 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1947 | b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xCFFF); | ||
1948 | |||
1949 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_EXTLNA) { | ||
1950 | if (phy->rev >= 7) { | ||
1951 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
1952 | b43_phy_read(dev, B43_PHY_RFOVER) | ||
1953 | | 0x0800); | ||
1954 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1955 | b43_phy_read(dev, B43_PHY_RFOVERVAL) | ||
1956 | | 0x8000); | ||
1957 | } | ||
1958 | } | ||
1959 | b43_radio_write16(dev, 0x7A, b43_radio_read16(dev, 0x7A) | ||
1960 | & 0x00F7); | ||
1961 | |||
1962 | j = 0; | ||
1963 | loop_i_max = (phy->radio_rev == 8) ? 15 : 9; | ||
1964 | for (i = 0; i < loop_i_max; i++) { | ||
1965 | for (j = 0; j < 16; j++) { | ||
1966 | b43_radio_write16(dev, 0x43, i); | ||
1967 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1968 | (b43_phy_read(dev, B43_PHY_RFOVERVAL) | ||
1969 | & 0xF0FF) | (j << 8)); | ||
1970 | b43_phy_write(dev, B43_PHY_PGACTL, | ||
1971 | (b43_phy_read(dev, B43_PHY_PGACTL) | ||
1972 | & 0x0FFF) | 0xA000); | ||
1973 | b43_phy_write(dev, B43_PHY_PGACTL, | ||
1974 | b43_phy_read(dev, B43_PHY_PGACTL) | ||
1975 | | 0xF000); | ||
1976 | udelay(20); | ||
1977 | if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC) | ||
1978 | goto exit_loop1; | ||
1979 | } | ||
1980 | } | ||
1981 | exit_loop1: | ||
1982 | loop1_outer_done = i; | ||
1983 | loop1_inner_done = j; | ||
1984 | if (j >= 8) { | ||
1985 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1986 | b43_phy_read(dev, B43_PHY_RFOVERVAL) | ||
1987 | | 0x30); | ||
1988 | trsw_rx = 0x1B; | ||
1989 | for (j = j - 8; j < 16; j++) { | ||
1990 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
1991 | (b43_phy_read(dev, B43_PHY_RFOVERVAL) | ||
1992 | & 0xF0FF) | (j << 8)); | ||
1993 | b43_phy_write(dev, B43_PHY_PGACTL, | ||
1994 | (b43_phy_read(dev, B43_PHY_PGACTL) | ||
1995 | & 0x0FFF) | 0xA000); | ||
1996 | b43_phy_write(dev, B43_PHY_PGACTL, | ||
1997 | b43_phy_read(dev, B43_PHY_PGACTL) | ||
1998 | | 0xF000); | ||
1999 | udelay(20); | ||
2000 | trsw_rx -= 3; | ||
2001 | if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC) | ||
2002 | goto exit_loop2; | ||
2003 | } | ||
2004 | } else | ||
2005 | trsw_rx = 0x18; | ||
2006 | exit_loop2: | ||
2007 | |||
2008 | if (phy->rev != 1) { /* Not in specs, but needed to prevent PPC machine check */ | ||
2009 | b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]); | ||
2010 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]); | ||
2011 | } | ||
2012 | b43_phy_write(dev, B43_PHY_CCK(0x5A), backup_phy[6]); | ||
2013 | b43_phy_write(dev, B43_PHY_CCK(0x59), backup_phy[7]); | ||
2014 | b43_phy_write(dev, B43_PHY_CCK(0x58), backup_phy[8]); | ||
2015 | b43_phy_write(dev, B43_PHY_CCK(0x0A), backup_phy[9]); | ||
2016 | b43_phy_write(dev, B43_PHY_CCK(0x03), backup_phy[10]); | ||
2017 | b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]); | ||
2018 | b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]); | ||
2019 | b43_phy_write(dev, B43_PHY_CCK(0x2B), backup_phy[13]); | ||
2020 | b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]); | ||
2021 | |||
2022 | b43_gphy_set_baseband_attenuation(dev, backup_bband); | ||
2023 | |||
2024 | b43_radio_write16(dev, 0x52, backup_radio[0]); | ||
2025 | b43_radio_write16(dev, 0x43, backup_radio[1]); | ||
2026 | b43_radio_write16(dev, 0x7A, backup_radio[2]); | ||
2027 | |||
2028 | b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003); | ||
2029 | udelay(10); | ||
2030 | b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]); | ||
2031 | b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]); | ||
2032 | b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]); | ||
2033 | b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]); | ||
2034 | |||
2035 | gphy->max_lb_gain = | ||
2036 | ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11; | ||
2037 | gphy->trsw_rx_gain = trsw_rx * 2; | ||
2038 | } | ||
2039 | |||
2040 | static void b43_hardware_pctl_early_init(struct b43_wldev *dev) | ||
2041 | { | ||
2042 | struct b43_phy *phy = &dev->phy; | ||
2043 | |||
2044 | if (!b43_has_hardware_pctl(dev)) { | ||
2045 | b43_phy_write(dev, 0x047A, 0xC111); | ||
2046 | return; | ||
2047 | } | ||
2048 | |||
2049 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) & 0xFEFF); | ||
2050 | b43_phy_write(dev, 0x002F, 0x0202); | ||
2051 | b43_phy_write(dev, 0x047C, b43_phy_read(dev, 0x047C) | 0x0002); | ||
2052 | b43_phy_write(dev, 0x047A, b43_phy_read(dev, 0x047A) | 0xF000); | ||
2053 | if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) { | ||
2054 | b43_phy_write(dev, 0x047A, (b43_phy_read(dev, 0x047A) | ||
2055 | & 0xFF0F) | 0x0010); | ||
2056 | b43_phy_write(dev, 0x005D, b43_phy_read(dev, 0x005D) | ||
2057 | | 0x8000); | ||
2058 | b43_phy_write(dev, 0x004E, (b43_phy_read(dev, 0x004E) | ||
2059 | & 0xFFC0) | 0x0010); | ||
2060 | b43_phy_write(dev, 0x002E, 0xC07F); | ||
2061 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) | ||
2062 | | 0x0400); | ||
2063 | } else { | ||
2064 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) | ||
2065 | | 0x0200); | ||
2066 | b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) | ||
2067 | | 0x0400); | ||
2068 | b43_phy_write(dev, 0x005D, b43_phy_read(dev, 0x005D) | ||
2069 | & 0x7FFF); | ||
2070 | b43_phy_write(dev, 0x004F, b43_phy_read(dev, 0x004F) | ||
2071 | & 0xFFFE); | ||
2072 | b43_phy_write(dev, 0x004E, (b43_phy_read(dev, 0x004E) | ||
2073 | & 0xFFC0) | 0x0010); | ||
2074 | b43_phy_write(dev, 0x002E, 0xC07F); | ||
2075 | b43_phy_write(dev, 0x047A, (b43_phy_read(dev, 0x047A) | ||
2076 | & 0xFF0F) | 0x0010); | ||
2077 | } | ||
2078 | } | ||
2079 | |||
2080 | /* Hardware power control for G-PHY */ | ||
2081 | static void b43_hardware_pctl_init_gphy(struct b43_wldev *dev) | ||
2082 | { | ||
2083 | struct b43_phy *phy = &dev->phy; | ||
2084 | struct b43_phy_g *gphy = phy->g; | ||
2085 | |||
2086 | if (!b43_has_hardware_pctl(dev)) { | ||
2087 | /* No hardware power control */ | ||
2088 | b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL); | ||
2089 | return; | ||
2090 | } | ||
2091 | |||
2092 | b43_phy_write(dev, 0x0036, (b43_phy_read(dev, 0x0036) & 0xFFC0) | ||
2093 | | (gphy->tgt_idle_tssi - gphy->cur_idle_tssi)); | ||
2094 | b43_phy_write(dev, 0x0478, (b43_phy_read(dev, 0x0478) & 0xFF00) | ||
2095 | | (gphy->tgt_idle_tssi - gphy->cur_idle_tssi)); | ||
2096 | b43_gphy_tssi_power_lt_init(dev); | ||
2097 | b43_gphy_gain_lt_init(dev); | ||
2098 | b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) & 0xFFBF); | ||
2099 | b43_phy_write(dev, 0x0014, 0x0000); | ||
2100 | |||
2101 | B43_WARN_ON(phy->rev < 6); | ||
2102 | b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) | ||
2103 | | 0x0800); | ||
2104 | b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) | ||
2105 | & 0xFEFF); | ||
2106 | b43_phy_write(dev, 0x0801, b43_phy_read(dev, 0x0801) | ||
2107 | & 0xFFBF); | ||
2108 | |||
2109 | b43_gphy_dc_lt_init(dev, 1); | ||
2110 | |||
2111 | /* Enable hardware pctl in firmware. */ | ||
2112 | b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL); | ||
2113 | } | ||
2114 | |||
2115 | /* Intialize B/G PHY power control */ | ||
2116 | static void b43_phy_init_pctl(struct b43_wldev *dev) | ||
2117 | { | ||
2118 | struct ssb_bus *bus = dev->dev->bus; | ||
2119 | struct b43_phy *phy = &dev->phy; | ||
2120 | struct b43_phy_g *gphy = phy->g; | ||
2121 | struct b43_rfatt old_rfatt; | ||
2122 | struct b43_bbatt old_bbatt; | ||
2123 | u8 old_tx_control = 0; | ||
2124 | |||
2125 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); | ||
2126 | |||
2127 | if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) && | ||
2128 | (bus->boardinfo.type == SSB_BOARD_BU4306)) | ||
2129 | return; | ||
2130 | |||
2131 | b43_phy_write(dev, 0x0028, 0x8018); | ||
2132 | |||
2133 | /* This does something with the Analog... */ | ||
2134 | b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0) | ||
2135 | & 0xFFDF); | ||
2136 | |||
2137 | if (!phy->gmode) | ||
2138 | return; | ||
2139 | b43_hardware_pctl_early_init(dev); | ||
2140 | if (gphy->cur_idle_tssi == 0) { | ||
2141 | if (phy->radio_ver == 0x2050 && phy->analog == 0) { | ||
2142 | b43_radio_write16(dev, 0x0076, | ||
2143 | (b43_radio_read16(dev, 0x0076) | ||
2144 | & 0x00F7) | 0x0084); | ||
2145 | } else { | ||
2146 | struct b43_rfatt rfatt; | ||
2147 | struct b43_bbatt bbatt; | ||
2148 | |||
2149 | memcpy(&old_rfatt, &gphy->rfatt, sizeof(old_rfatt)); | ||
2150 | memcpy(&old_bbatt, &gphy->bbatt, sizeof(old_bbatt)); | ||
2151 | old_tx_control = gphy->tx_control; | ||
2152 | |||
2153 | bbatt.att = 11; | ||
2154 | if (phy->radio_rev == 8) { | ||
2155 | rfatt.att = 15; | ||
2156 | rfatt.with_padmix = 1; | ||
2157 | } else { | ||
2158 | rfatt.att = 9; | ||
2159 | rfatt.with_padmix = 0; | ||
2160 | } | ||
2161 | b43_set_txpower_g(dev, &bbatt, &rfatt, 0); | ||
2162 | } | ||
2163 | b43_dummy_transmission(dev); | ||
2164 | gphy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI); | ||
2165 | if (B43_DEBUG) { | ||
2166 | /* Current-Idle-TSSI sanity check. */ | ||
2167 | if (abs(gphy->cur_idle_tssi - gphy->tgt_idle_tssi) >= 20) { | ||
2168 | b43dbg(dev->wl, | ||
2169 | "!WARNING! Idle-TSSI phy->cur_idle_tssi " | ||
2170 | "measuring failed. (cur=%d, tgt=%d). Disabling TX power " | ||
2171 | "adjustment.\n", gphy->cur_idle_tssi, | ||
2172 | gphy->tgt_idle_tssi); | ||
2173 | gphy->cur_idle_tssi = 0; | ||
2174 | } | ||
2175 | } | ||
2176 | if (phy->radio_ver == 0x2050 && phy->analog == 0) { | ||
2177 | b43_radio_write16(dev, 0x0076, | ||
2178 | b43_radio_read16(dev, 0x0076) | ||
2179 | & 0xFF7B); | ||
2180 | } else { | ||
2181 | b43_set_txpower_g(dev, &old_bbatt, | ||
2182 | &old_rfatt, old_tx_control); | ||
2183 | } | ||
2184 | } | ||
2185 | b43_hardware_pctl_init_gphy(dev); | ||
2186 | b43_shm_clear_tssi(dev); | ||
2187 | } | ||
2188 | |||
2189 | static void b43_phy_initg(struct b43_wldev *dev) | ||
2190 | { | ||
2191 | struct b43_phy *phy = &dev->phy; | ||
2192 | struct b43_phy_g *gphy = phy->g; | ||
2193 | u16 tmp; | ||
2194 | |||
2195 | if (phy->rev == 1) | ||
2196 | b43_phy_initb5(dev); | ||
2197 | else | ||
2198 | b43_phy_initb6(dev); | ||
2199 | |||
2200 | if (phy->rev >= 2 || phy->gmode) | ||
2201 | b43_phy_inita(dev); | ||
2202 | |||
2203 | if (phy->rev >= 2) { | ||
2204 | b43_phy_write(dev, B43_PHY_ANALOGOVER, 0); | ||
2205 | b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0); | ||
2206 | } | ||
2207 | if (phy->rev == 2) { | ||
2208 | b43_phy_write(dev, B43_PHY_RFOVER, 0); | ||
2209 | b43_phy_write(dev, B43_PHY_PGACTL, 0xC0); | ||
2210 | } | ||
2211 | if (phy->rev > 5) { | ||
2212 | b43_phy_write(dev, B43_PHY_RFOVER, 0x400); | ||
2213 | b43_phy_write(dev, B43_PHY_PGACTL, 0xC0); | ||
2214 | } | ||
2215 | if (phy->gmode || phy->rev >= 2) { | ||
2216 | tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM); | ||
2217 | tmp &= B43_PHYVER_VERSION; | ||
2218 | if (tmp == 3 || tmp == 5) { | ||
2219 | b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816); | ||
2220 | b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006); | ||
2221 | } | ||
2222 | if (tmp == 5) { | ||
2223 | b43_phy_write(dev, B43_PHY_OFDM(0xCC), | ||
2224 | (b43_phy_read(dev, B43_PHY_OFDM(0xCC)) | ||
2225 | & 0x00FF) | 0x1F00); | ||
2226 | } | ||
2227 | } | ||
2228 | if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2) | ||
2229 | b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78); | ||
2230 | if (phy->radio_rev == 8) { | ||
2231 | b43_phy_write(dev, B43_PHY_EXTG(0x01), | ||
2232 | b43_phy_read(dev, B43_PHY_EXTG(0x01)) | ||
2233 | | 0x80); | ||
2234 | b43_phy_write(dev, B43_PHY_OFDM(0x3E), | ||
2235 | b43_phy_read(dev, B43_PHY_OFDM(0x3E)) | ||
2236 | | 0x4); | ||
2237 | } | ||
2238 | if (has_loopback_gain(phy)) | ||
2239 | b43_calc_loopback_gain(dev); | ||
2240 | |||
2241 | if (phy->radio_rev != 8) { | ||
2242 | if (gphy->initval == 0xFFFF) | ||
2243 | gphy->initval = b43_radio_init2050(dev); | ||
2244 | else | ||
2245 | b43_radio_write16(dev, 0x0078, gphy->initval); | ||
2246 | } | ||
2247 | b43_lo_g_init(dev); | ||
2248 | if (has_tx_magnification(phy)) { | ||
2249 | b43_radio_write16(dev, 0x52, | ||
2250 | (b43_radio_read16(dev, 0x52) & 0xFF00) | ||
2251 | | gphy->lo_control->tx_bias | gphy-> | ||
2252 | lo_control->tx_magn); | ||
2253 | } else { | ||
2254 | b43_radio_write16(dev, 0x52, | ||
2255 | (b43_radio_read16(dev, 0x52) & 0xFFF0) | ||
2256 | | gphy->lo_control->tx_bias); | ||
2257 | } | ||
2258 | if (phy->rev >= 6) { | ||
2259 | b43_phy_write(dev, B43_PHY_CCK(0x36), | ||
2260 | (b43_phy_read(dev, B43_PHY_CCK(0x36)) | ||
2261 | & 0x0FFF) | (gphy->lo_control-> | ||
2262 | tx_bias << 12)); | ||
2263 | } | ||
2264 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL) | ||
2265 | b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x8075); | ||
2266 | else | ||
2267 | b43_phy_write(dev, B43_PHY_CCK(0x2E), 0x807F); | ||
2268 | if (phy->rev < 2) | ||
2269 | b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x101); | ||
2270 | else | ||
2271 | b43_phy_write(dev, B43_PHY_CCK(0x2F), 0x202); | ||
2272 | if (phy->gmode || phy->rev >= 2) { | ||
2273 | b43_lo_g_adjust(dev); | ||
2274 | b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078); | ||
2275 | } | ||
2276 | |||
2277 | if (!(dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI)) { | ||
2278 | /* The specs state to update the NRSSI LT with | ||
2279 | * the value 0x7FFFFFFF here. I think that is some weird | ||
2280 | * compiler optimization in the original driver. | ||
2281 | * Essentially, what we do here is resetting all NRSSI LT | ||
2282 | * entries to -32 (see the clamp_val() in nrssi_hw_update()) | ||
2283 | */ | ||
2284 | b43_nrssi_hw_update(dev, 0xFFFF); //FIXME? | ||
2285 | b43_calc_nrssi_threshold(dev); | ||
2286 | } else if (phy->gmode || phy->rev >= 2) { | ||
2287 | if (gphy->nrssi[0] == -1000) { | ||
2288 | B43_WARN_ON(gphy->nrssi[1] != -1000); | ||
2289 | b43_calc_nrssi_slope(dev); | ||
2290 | } else | ||
2291 | b43_calc_nrssi_threshold(dev); | ||
2292 | } | ||
2293 | if (phy->radio_rev == 8) | ||
2294 | b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230); | ||
2295 | b43_phy_init_pctl(dev); | ||
2296 | /* FIXME: The spec says in the following if, the 0 should be replaced | ||
2297 | 'if OFDM may not be used in the current locale' | ||
2298 | but OFDM is legal everywhere */ | ||
2299 | if ((dev->dev->bus->chip_id == 0x4306 | ||
2300 | && dev->dev->bus->chip_package == 2) || 0) { | ||
2301 | b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0) | ||
2302 | & 0xBFFF); | ||
2303 | b43_phy_write(dev, B43_PHY_OFDM(0xC3), | ||
2304 | b43_phy_read(dev, B43_PHY_OFDM(0xC3)) | ||
2305 | & 0x7FFF); | ||
2306 | } | ||
2307 | } | ||
2308 | |||
2309 | void b43_gphy_channel_switch(struct b43_wldev *dev, | ||
2310 | unsigned int channel, | ||
2311 | bool synthetic_pu_workaround) | ||
2312 | { | ||
2313 | if (synthetic_pu_workaround) | ||
2314 | b43_synth_pu_workaround(dev, channel); | ||
2315 | |||
2316 | b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel)); | ||
2317 | |||
2318 | if (channel == 14) { | ||
2319 | if (dev->dev->bus->sprom.country_code == | ||
2320 | SSB_SPROM1CCODE_JAPAN) | ||
2321 | b43_hf_write(dev, | ||
2322 | b43_hf_read(dev) & ~B43_HF_ACPR); | ||
2323 | else | ||
2324 | b43_hf_write(dev, | ||
2325 | b43_hf_read(dev) | B43_HF_ACPR); | ||
2326 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, | ||
2327 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) | ||
2328 | | (1 << 11)); | ||
2329 | } else { | ||
2330 | b43_write16(dev, B43_MMIO_CHANNEL_EXT, | ||
2331 | b43_read16(dev, B43_MMIO_CHANNEL_EXT) | ||
2332 | & 0xF7BF); | ||
2333 | } | ||
2334 | } | ||
2335 | |||
2336 | static void default_baseband_attenuation(struct b43_wldev *dev, | ||
2337 | struct b43_bbatt *bb) | ||
2338 | { | ||
2339 | struct b43_phy *phy = &dev->phy; | ||
2340 | |||
2341 | if (phy->radio_ver == 0x2050 && phy->radio_rev < 6) | ||
2342 | bb->att = 0; | ||
2343 | else | ||
2344 | bb->att = 2; | ||
2345 | } | ||
2346 | |||
2347 | static void default_radio_attenuation(struct b43_wldev *dev, | ||
2348 | struct b43_rfatt *rf) | ||
2349 | { | ||
2350 | struct ssb_bus *bus = dev->dev->bus; | ||
2351 | struct b43_phy *phy = &dev->phy; | ||
2352 | |||
2353 | rf->with_padmix = 0; | ||
2354 | |||
2355 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM && | ||
2356 | bus->boardinfo.type == SSB_BOARD_BCM4309G) { | ||
2357 | if (bus->boardinfo.rev < 0x43) { | ||
2358 | rf->att = 2; | ||
2359 | return; | ||
2360 | } else if (bus->boardinfo.rev < 0x51) { | ||
2361 | rf->att = 3; | ||
2362 | return; | ||
2363 | } | ||
2364 | } | ||
2365 | |||
2366 | if (phy->type == B43_PHYTYPE_A) { | ||
2367 | rf->att = 0x60; | ||
2368 | return; | ||
2369 | } | ||
2370 | |||
2371 | switch (phy->radio_ver) { | ||
2372 | case 0x2053: | ||
2373 | switch (phy->radio_rev) { | ||
2374 | case 1: | ||
2375 | rf->att = 6; | ||
2376 | return; | ||
2377 | } | ||
2378 | break; | ||
2379 | case 0x2050: | ||
2380 | switch (phy->radio_rev) { | ||
2381 | case 0: | ||
2382 | rf->att = 5; | ||
2383 | return; | ||
2384 | case 1: | ||
2385 | if (phy->type == B43_PHYTYPE_G) { | ||
2386 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM | ||
2387 | && bus->boardinfo.type == SSB_BOARD_BCM4309G | ||
2388 | && bus->boardinfo.rev >= 30) | ||
2389 | rf->att = 3; | ||
2390 | else if (bus->boardinfo.vendor == | ||
2391 | SSB_BOARDVENDOR_BCM | ||
2392 | && bus->boardinfo.type == | ||
2393 | SSB_BOARD_BU4306) | ||
2394 | rf->att = 3; | ||
2395 | else | ||
2396 | rf->att = 1; | ||
2397 | } else { | ||
2398 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM | ||
2399 | && bus->boardinfo.type == SSB_BOARD_BCM4309G | ||
2400 | && bus->boardinfo.rev >= 30) | ||
2401 | rf->att = 7; | ||
2402 | else | ||
2403 | rf->att = 6; | ||
2404 | } | ||
2405 | return; | ||
2406 | case 2: | ||
2407 | if (phy->type == B43_PHYTYPE_G) { | ||
2408 | if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM | ||
2409 | && bus->boardinfo.type == SSB_BOARD_BCM4309G | ||
2410 | && bus->boardinfo.rev >= 30) | ||
2411 | rf->att = 3; | ||
2412 | else if (bus->boardinfo.vendor == | ||
2413 | SSB_BOARDVENDOR_BCM | ||
2414 | && bus->boardinfo.type == | ||
2415 | SSB_BOARD_BU4306) | ||
2416 | rf->att = 5; | ||
2417 | else if (bus->chip_id == 0x4320) | ||
2418 | rf->att = 4; | ||
2419 | else | ||
2420 | rf->att = 3; | ||
2421 | } else | ||
2422 | rf->att = 6; | ||
2423 | return; | ||
2424 | case 3: | ||
2425 | rf->att = 5; | ||
2426 | return; | ||
2427 | case 4: | ||
2428 | case 5: | ||
2429 | rf->att = 1; | ||
2430 | return; | ||
2431 | case 6: | ||
2432 | case 7: | ||
2433 | rf->att = 5; | ||
2434 | return; | ||
2435 | case 8: | ||
2436 | rf->att = 0xA; | ||
2437 | rf->with_padmix = 1; | ||
2438 | return; | ||
2439 | case 9: | ||
2440 | default: | ||
2441 | rf->att = 5; | ||
2442 | return; | ||
2443 | } | ||
2444 | } | ||
2445 | rf->att = 5; | ||
2446 | } | ||
2447 | |||
2448 | static u16 default_tx_control(struct b43_wldev *dev) | ||
2449 | { | ||
2450 | struct b43_phy *phy = &dev->phy; | ||
2451 | |||
2452 | if (phy->radio_ver != 0x2050) | ||
2453 | return 0; | ||
2454 | if (phy->radio_rev == 1) | ||
2455 | return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX; | ||
2456 | if (phy->radio_rev < 6) | ||
2457 | return B43_TXCTL_PA2DB; | ||
2458 | if (phy->radio_rev == 8) | ||
2459 | return B43_TXCTL_TXMIX; | ||
2460 | return 0; | ||
2461 | } | ||
2462 | |||
2463 | static u8 b43_gphy_aci_detect(struct b43_wldev *dev, u8 channel) | ||
2464 | { | ||
2465 | struct b43_phy *phy = &dev->phy; | ||
2466 | struct b43_phy_g *gphy = phy->g; | ||
2467 | u8 ret = 0; | ||
2468 | u16 saved, rssi, temp; | ||
2469 | int i, j = 0; | ||
2470 | |||
2471 | saved = b43_phy_read(dev, 0x0403); | ||
2472 | b43_switch_channel(dev, channel); | ||
2473 | b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5); | ||
2474 | if (gphy->aci_hw_rssi) | ||
2475 | rssi = b43_phy_read(dev, 0x048A) & 0x3F; | ||
2476 | else | ||
2477 | rssi = saved & 0x3F; | ||
2478 | /* clamp temp to signed 5bit */ | ||
2479 | if (rssi > 32) | ||
2480 | rssi -= 64; | ||
2481 | for (i = 0; i < 100; i++) { | ||
2482 | temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F; | ||
2483 | if (temp > 32) | ||
2484 | temp -= 64; | ||
2485 | if (temp < rssi) | ||
2486 | j++; | ||
2487 | if (j >= 20) | ||
2488 | ret = 1; | ||
2489 | } | ||
2490 | b43_phy_write(dev, 0x0403, saved); | ||
2491 | |||
2492 | return ret; | ||
2493 | } | ||
2494 | |||
2495 | static u8 b43_gphy_aci_scan(struct b43_wldev *dev) | ||
2496 | { | ||
2497 | struct b43_phy *phy = &dev->phy; | ||
2498 | u8 ret[13]; | ||
2499 | unsigned int channel = phy->channel; | ||
2500 | unsigned int i, j, start, end; | ||
2501 | |||
2502 | if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0))) | ||
2503 | return 0; | ||
2504 | |||
2505 | b43_phy_lock(dev); | ||
2506 | b43_radio_lock(dev); | ||
2507 | b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC); | ||
2508 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
2509 | b43_phy_read(dev, B43_PHY_G_CRS) & 0x7FFF); | ||
2510 | b43_set_all_gains(dev, 3, 8, 1); | ||
2511 | |||
2512 | start = (channel - 5 > 0) ? channel - 5 : 1; | ||
2513 | end = (channel + 5 < 14) ? channel + 5 : 13; | ||
2514 | |||
2515 | for (i = start; i <= end; i++) { | ||
2516 | if (abs(channel - i) > 2) | ||
2517 | ret[i - 1] = b43_gphy_aci_detect(dev, i); | ||
2518 | } | ||
2519 | b43_switch_channel(dev, channel); | ||
2520 | b43_phy_write(dev, 0x0802, | ||
2521 | (b43_phy_read(dev, 0x0802) & 0xFFFC) | 0x0003); | ||
2522 | b43_phy_write(dev, 0x0403, b43_phy_read(dev, 0x0403) & 0xFFF8); | ||
2523 | b43_phy_write(dev, B43_PHY_G_CRS, | ||
2524 | b43_phy_read(dev, B43_PHY_G_CRS) | 0x8000); | ||
2525 | b43_set_original_gains(dev); | ||
2526 | for (i = 0; i < 13; i++) { | ||
2527 | if (!ret[i]) | ||
2528 | continue; | ||
2529 | end = (i + 5 < 13) ? i + 5 : 13; | ||
2530 | for (j = i; j < end; j++) | ||
2531 | ret[j] = 1; | ||
2532 | } | ||
2533 | b43_radio_unlock(dev); | ||
2534 | b43_phy_unlock(dev); | ||
2535 | |||
2536 | return ret[channel - 1]; | ||
2537 | } | ||
2538 | |||
2539 | static s32 b43_tssi2dbm_ad(s32 num, s32 den) | ||
2540 | { | ||
2541 | if (num < 0) | ||
2542 | return num / den; | ||
2543 | else | ||
2544 | return (num + den / 2) / den; | ||
2545 | } | ||
2546 | |||
2547 | static s8 b43_tssi2dbm_entry(s8 entry[], u8 index, | ||
2548 | s16 pab0, s16 pab1, s16 pab2) | ||
2549 | { | ||
2550 | s32 m1, m2, f = 256, q, delta; | ||
2551 | s8 i = 0; | ||
2552 | |||
2553 | m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32); | ||
2554 | m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1); | ||
2555 | do { | ||
2556 | if (i > 15) | ||
2557 | return -EINVAL; | ||
2558 | q = b43_tssi2dbm_ad(f * 4096 - | ||
2559 | b43_tssi2dbm_ad(m2 * f, 16) * f, 2048); | ||
2560 | delta = abs(q - f); | ||
2561 | f = q; | ||
2562 | i++; | ||
2563 | } while (delta >= 2); | ||
2564 | entry[index] = clamp_val(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128); | ||
2565 | return 0; | ||
2566 | } | ||
2567 | |||
2568 | u8 * b43_generate_dyn_tssi2dbm_tab(struct b43_wldev *dev, | ||
2569 | s16 pab0, s16 pab1, s16 pab2) | ||
2570 | { | ||
2571 | unsigned int i; | ||
2572 | u8 *tab; | ||
2573 | int err; | ||
2574 | |||
2575 | tab = kmalloc(64, GFP_KERNEL); | ||
2576 | if (!tab) { | ||
2577 | b43err(dev->wl, "Could not allocate memory " | ||
2578 | "for tssi2dbm table\n"); | ||
2579 | return NULL; | ||
2580 | } | ||
2581 | for (i = 0; i < 64; i++) { | ||
2582 | err = b43_tssi2dbm_entry(tab, i, pab0, pab1, pab2); | ||
2583 | if (err) { | ||
2584 | b43err(dev->wl, "Could not generate " | ||
2585 | "tssi2dBm table\n"); | ||
2586 | kfree(tab); | ||
2587 | return NULL; | ||
2588 | } | ||
2589 | } | ||
2590 | |||
2591 | return tab; | ||
2592 | } | ||
2593 | |||
2594 | /* Initialise the TSSI->dBm lookup table */ | ||
2595 | static int b43_gphy_init_tssi2dbm_table(struct b43_wldev *dev) | ||
2596 | { | ||
2597 | struct b43_phy *phy = &dev->phy; | ||
2598 | struct b43_phy_g *gphy = phy->g; | ||
2599 | s16 pab0, pab1, pab2; | ||
2600 | |||
2601 | pab0 = (s16) (dev->dev->bus->sprom.pa0b0); | ||
2602 | pab1 = (s16) (dev->dev->bus->sprom.pa0b1); | ||
2603 | pab2 = (s16) (dev->dev->bus->sprom.pa0b2); | ||
2604 | |||
2605 | B43_WARN_ON((dev->dev->bus->chip_id == 0x4301) && | ||
2606 | (phy->radio_ver != 0x2050)); /* Not supported anymore */ | ||
2607 | |||
2608 | gphy->dyn_tssi_tbl = 0; | ||
2609 | |||
2610 | if (pab0 != 0 && pab1 != 0 && pab2 != 0 && | ||
2611 | pab0 != -1 && pab1 != -1 && pab2 != -1) { | ||
2612 | /* The pabX values are set in SPROM. Use them. */ | ||
2613 | if ((s8) dev->dev->bus->sprom.itssi_bg != 0 && | ||
2614 | (s8) dev->dev->bus->sprom.itssi_bg != -1) { | ||
2615 | gphy->tgt_idle_tssi = | ||
2616 | (s8) (dev->dev->bus->sprom.itssi_bg); | ||
2617 | } else | ||
2618 | gphy->tgt_idle_tssi = 62; | ||
2619 | gphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0, | ||
2620 | pab1, pab2); | ||
2621 | if (!gphy->tssi2dbm) | ||
2622 | return -ENOMEM; | ||
2623 | gphy->dyn_tssi_tbl = 1; | ||
2624 | } else { | ||
2625 | /* pabX values not set in SPROM. */ | ||
2626 | gphy->tgt_idle_tssi = 52; | ||
2627 | gphy->tssi2dbm = b43_tssi2dbm_g_table; | ||
2628 | } | ||
2629 | |||
2630 | return 0; | ||
2631 | } | ||
2632 | |||
2633 | static int b43_gphy_op_allocate(struct b43_wldev *dev) | ||
2634 | { | ||
2635 | struct b43_phy_g *gphy; | ||
2636 | struct b43_txpower_lo_control *lo; | ||
2637 | int err; | ||
2638 | |||
2639 | gphy = kzalloc(sizeof(*gphy), GFP_KERNEL); | ||
2640 | if (!gphy) { | ||
2641 | err = -ENOMEM; | ||
2642 | goto error; | ||
2643 | } | ||
2644 | dev->phy.g = gphy; | ||
2645 | |||
2646 | lo = kzalloc(sizeof(*lo), GFP_KERNEL); | ||
2647 | if (!lo) { | ||
2648 | err = -ENOMEM; | ||
2649 | goto err_free_gphy; | ||
2650 | } | ||
2651 | gphy->lo_control = lo; | ||
2652 | |||
2653 | err = b43_gphy_init_tssi2dbm_table(dev); | ||
2654 | if (err) | ||
2655 | goto err_free_lo; | ||
2656 | |||
2657 | return 0; | ||
2658 | |||
2659 | err_free_lo: | ||
2660 | kfree(lo); | ||
2661 | err_free_gphy: | ||
2662 | kfree(gphy); | ||
2663 | error: | ||
2664 | return err; | ||
2665 | } | ||
2666 | |||
2667 | static void b43_gphy_op_prepare_structs(struct b43_wldev *dev) | ||
2668 | { | ||
2669 | struct b43_phy *phy = &dev->phy; | ||
2670 | struct b43_phy_g *gphy = phy->g; | ||
2671 | const void *tssi2dbm; | ||
2672 | int tgt_idle_tssi; | ||
2673 | struct b43_txpower_lo_control *lo; | ||
2674 | unsigned int i; | ||
2675 | |||
2676 | /* tssi2dbm table is constant, so it is initialized at alloc time. | ||
2677 | * Save a copy of the pointer. */ | ||
2678 | tssi2dbm = gphy->tssi2dbm; | ||
2679 | tgt_idle_tssi = gphy->tgt_idle_tssi; | ||
2680 | /* Save the LO pointer. */ | ||
2681 | lo = gphy->lo_control; | ||
2682 | |||
2683 | /* Zero out the whole PHY structure. */ | ||
2684 | memset(gphy, 0, sizeof(*gphy)); | ||
2685 | |||
2686 | /* Restore pointers. */ | ||
2687 | gphy->tssi2dbm = tssi2dbm; | ||
2688 | gphy->tgt_idle_tssi = tgt_idle_tssi; | ||
2689 | gphy->lo_control = lo; | ||
2690 | |||
2691 | memset(gphy->minlowsig, 0xFF, sizeof(gphy->minlowsig)); | ||
2692 | |||
2693 | /* NRSSI */ | ||
2694 | for (i = 0; i < ARRAY_SIZE(gphy->nrssi); i++) | ||
2695 | gphy->nrssi[i] = -1000; | ||
2696 | for (i = 0; i < ARRAY_SIZE(gphy->nrssi_lt); i++) | ||
2697 | gphy->nrssi_lt[i] = i; | ||
2698 | |||
2699 | gphy->lofcal = 0xFFFF; | ||
2700 | gphy->initval = 0xFFFF; | ||
2701 | |||
2702 | gphy->interfmode = B43_INTERFMODE_NONE; | ||
2703 | |||
2704 | /* OFDM-table address caching. */ | ||
2705 | gphy->ofdmtab_addr_direction = B43_OFDMTAB_DIRECTION_UNKNOWN; | ||
2706 | |||
2707 | gphy->average_tssi = 0xFF; | ||
2708 | |||
2709 | /* Local Osciallator structure */ | ||
2710 | lo->tx_bias = 0xFF; | ||
2711 | INIT_LIST_HEAD(&lo->calib_list); | ||
2712 | } | ||
2713 | |||
2714 | static void b43_gphy_op_free(struct b43_wldev *dev) | ||
2715 | { | ||
2716 | struct b43_phy *phy = &dev->phy; | ||
2717 | struct b43_phy_g *gphy = phy->g; | ||
2718 | |||
2719 | kfree(gphy->lo_control); | ||
2720 | |||
2721 | if (gphy->dyn_tssi_tbl) | ||
2722 | kfree(gphy->tssi2dbm); | ||
2723 | gphy->dyn_tssi_tbl = 0; | ||
2724 | gphy->tssi2dbm = NULL; | ||
2725 | |||
2726 | kfree(gphy); | ||
2727 | dev->phy.g = NULL; | ||
2728 | } | ||
2729 | |||
2730 | static int b43_gphy_op_prepare_hardware(struct b43_wldev *dev) | ||
2731 | { | ||
2732 | struct b43_phy *phy = &dev->phy; | ||
2733 | struct b43_phy_g *gphy = phy->g; | ||
2734 | struct b43_txpower_lo_control *lo = gphy->lo_control; | ||
2735 | |||
2736 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); | ||
2737 | |||
2738 | default_baseband_attenuation(dev, &gphy->bbatt); | ||
2739 | default_radio_attenuation(dev, &gphy->rfatt); | ||
2740 | gphy->tx_control = (default_tx_control(dev) << 4); | ||
2741 | generate_rfatt_list(dev, &lo->rfatt_list); | ||
2742 | generate_bbatt_list(dev, &lo->bbatt_list); | ||
2743 | |||
2744 | /* Commit previous writes */ | ||
2745 | b43_read32(dev, B43_MMIO_MACCTL); | ||
2746 | |||
2747 | if (phy->rev == 1) { | ||
2748 | /* Workaround: Temporarly disable gmode through the early init | ||
2749 | * phase, as the gmode stuff is not needed for phy rev 1 */ | ||
2750 | phy->gmode = 0; | ||
2751 | b43_wireless_core_reset(dev, 0); | ||
2752 | b43_phy_initg(dev); | ||
2753 | phy->gmode = 1; | ||
2754 | b43_wireless_core_reset(dev, B43_TMSLOW_GMODE); | ||
2755 | } | ||
2756 | |||
2757 | return 0; | ||
2758 | } | ||
2759 | |||
2760 | static int b43_gphy_op_init(struct b43_wldev *dev) | ||
2761 | { | ||
2762 | b43_phy_initg(dev); | ||
2763 | |||
2764 | return 0; | ||
2765 | } | ||
2766 | |||
2767 | static void b43_gphy_op_exit(struct b43_wldev *dev) | ||
2768 | { | ||
2769 | b43_lo_g_cleanup(dev); | ||
2770 | } | ||
2771 | |||
2772 | static u16 b43_gphy_op_read(struct b43_wldev *dev, u16 reg) | ||
2773 | { | ||
2774 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | ||
2775 | return b43_read16(dev, B43_MMIO_PHY_DATA); | ||
2776 | } | ||
2777 | |||
2778 | static void b43_gphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) | ||
2779 | { | ||
2780 | b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); | ||
2781 | b43_write16(dev, B43_MMIO_PHY_DATA, value); | ||
2782 | } | ||
2783 | |||
2784 | static u16 b43_gphy_op_radio_read(struct b43_wldev *dev, u16 reg) | ||
2785 | { | ||
2786 | /* Register 1 is a 32-bit register. */ | ||
2787 | B43_WARN_ON(reg == 1); | ||
2788 | /* G-PHY needs 0x80 for read access. */ | ||
2789 | reg |= 0x80; | ||
2790 | |||
2791 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); | ||
2792 | return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); | ||
2793 | } | ||
2794 | |||
2795 | static void b43_gphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) | ||
2796 | { | ||
2797 | /* Register 1 is a 32-bit register. */ | ||
2798 | B43_WARN_ON(reg == 1); | ||
2799 | |||
2800 | b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); | ||
2801 | b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); | ||
2802 | } | ||
2803 | |||
2804 | static bool b43_gphy_op_supports_hwpctl(struct b43_wldev *dev) | ||
2805 | { | ||
2806 | return (dev->phy.rev >= 6); | ||
2807 | } | ||
2808 | |||
2809 | static void b43_gphy_op_software_rfkill(struct b43_wldev *dev, | ||
2810 | enum rfkill_state state) | ||
2811 | { | ||
2812 | struct b43_phy *phy = &dev->phy; | ||
2813 | struct b43_phy_g *gphy = phy->g; | ||
2814 | unsigned int channel; | ||
2815 | |||
2816 | might_sleep(); | ||
2817 | |||
2818 | if (state == RFKILL_STATE_UNBLOCKED) { | ||
2819 | /* Turn radio ON */ | ||
2820 | if (phy->radio_on) | ||
2821 | return; | ||
2822 | |||
2823 | b43_phy_write(dev, 0x0015, 0x8000); | ||
2824 | b43_phy_write(dev, 0x0015, 0xCC00); | ||
2825 | b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000)); | ||
2826 | if (gphy->radio_off_context.valid) { | ||
2827 | /* Restore the RFover values. */ | ||
2828 | b43_phy_write(dev, B43_PHY_RFOVER, | ||
2829 | gphy->radio_off_context.rfover); | ||
2830 | b43_phy_write(dev, B43_PHY_RFOVERVAL, | ||
2831 | gphy->radio_off_context.rfoverval); | ||
2832 | gphy->radio_off_context.valid = 0; | ||
2833 | } | ||
2834 | channel = phy->channel; | ||
2835 | b43_gphy_channel_switch(dev, 6, 1); | ||
2836 | b43_gphy_channel_switch(dev, channel, 0); | ||
2837 | } else { | ||
2838 | /* Turn radio OFF */ | ||
2839 | u16 rfover, rfoverval; | ||
2840 | |||
2841 | rfover = b43_phy_read(dev, B43_PHY_RFOVER); | ||
2842 | rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL); | ||
2843 | gphy->radio_off_context.rfover = rfover; | ||
2844 | gphy->radio_off_context.rfoverval = rfoverval; | ||
2845 | gphy->radio_off_context.valid = 1; | ||
2846 | b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C); | ||
2847 | b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73); | ||
2848 | } | ||
2849 | } | ||
2850 | |||
2851 | static int b43_gphy_op_switch_channel(struct b43_wldev *dev, | ||
2852 | unsigned int new_channel) | ||
2853 | { | ||
2854 | if ((new_channel < 1) || (new_channel > 14)) | ||
2855 | return -EINVAL; | ||
2856 | b43_gphy_channel_switch(dev, new_channel, 0); | ||
2857 | |||
2858 | return 0; | ||
2859 | } | ||
2860 | |||
2861 | static unsigned int b43_gphy_op_get_default_chan(struct b43_wldev *dev) | ||
2862 | { | ||
2863 | return 1; /* Default to channel 1 */ | ||
2864 | } | ||
2865 | |||
2866 | static void b43_gphy_op_set_rx_antenna(struct b43_wldev *dev, int antenna) | ||
2867 | { | ||
2868 | struct b43_phy *phy = &dev->phy; | ||
2869 | u64 hf; | ||
2870 | u16 tmp; | ||
2871 | int autodiv = 0; | ||
2872 | |||
2873 | if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1) | ||
2874 | autodiv = 1; | ||
2875 | |||
2876 | hf = b43_hf_read(dev); | ||
2877 | hf &= ~B43_HF_ANTDIVHELP; | ||
2878 | b43_hf_write(dev, hf); | ||
2879 | |||
2880 | tmp = b43_phy_read(dev, B43_PHY_BBANDCFG); | ||
2881 | tmp &= ~B43_PHY_BBANDCFG_RXANT; | ||
2882 | tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna) | ||
2883 | << B43_PHY_BBANDCFG_RXANT_SHIFT; | ||
2884 | b43_phy_write(dev, B43_PHY_BBANDCFG, tmp); | ||
2885 | |||
2886 | if (autodiv) { | ||
2887 | tmp = b43_phy_read(dev, B43_PHY_ANTDWELL); | ||
2888 | if (antenna == B43_ANTENNA_AUTO0) | ||
2889 | tmp &= ~B43_PHY_ANTDWELL_AUTODIV1; | ||
2890 | else | ||
2891 | tmp |= B43_PHY_ANTDWELL_AUTODIV1; | ||
2892 | b43_phy_write(dev, B43_PHY_ANTDWELL, tmp); | ||
2893 | } | ||
2894 | tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT); | ||
2895 | if (autodiv) | ||
2896 | tmp |= B43_PHY_ANTWRSETT_ARXDIV; | ||
2897 | else | ||
2898 | tmp &= ~B43_PHY_ANTWRSETT_ARXDIV; | ||
2899 | b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp); | ||
2900 | if (phy->rev >= 2) { | ||
2901 | tmp = b43_phy_read(dev, B43_PHY_OFDM61); | ||
2902 | tmp |= B43_PHY_OFDM61_10; | ||
2903 | b43_phy_write(dev, B43_PHY_OFDM61, tmp); | ||
2904 | |||
2905 | tmp = | ||
2906 | b43_phy_read(dev, B43_PHY_DIVSRCHGAINBACK); | ||
2907 | tmp = (tmp & 0xFF00) | 0x15; | ||
2908 | b43_phy_write(dev, B43_PHY_DIVSRCHGAINBACK, | ||
2909 | tmp); | ||
2910 | |||
2911 | if (phy->rev == 2) { | ||
2912 | b43_phy_write(dev, B43_PHY_ADIVRELATED, | ||
2913 | 8); | ||
2914 | } else { | ||
2915 | tmp = | ||
2916 | b43_phy_read(dev, | ||
2917 | B43_PHY_ADIVRELATED); | ||
2918 | tmp = (tmp & 0xFF00) | 8; | ||
2919 | b43_phy_write(dev, B43_PHY_ADIVRELATED, | ||
2920 | tmp); | ||
2921 | } | ||
2922 | } | ||
2923 | if (phy->rev >= 6) | ||
2924 | b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC); | ||
2925 | |||
2926 | hf |= B43_HF_ANTDIVHELP; | ||
2927 | b43_hf_write(dev, hf); | ||
2928 | } | ||
2929 | |||
2930 | static int b43_gphy_op_interf_mitigation(struct b43_wldev *dev, | ||
2931 | enum b43_interference_mitigation mode) | ||
2932 | { | ||
2933 | struct b43_phy *phy = &dev->phy; | ||
2934 | struct b43_phy_g *gphy = phy->g; | ||
2935 | int currentmode; | ||
2936 | |||
2937 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); | ||
2938 | if ((phy->rev == 0) || (!phy->gmode)) | ||
2939 | return -ENODEV; | ||
2940 | |||
2941 | gphy->aci_wlan_automatic = 0; | ||
2942 | switch (mode) { | ||
2943 | case B43_INTERFMODE_AUTOWLAN: | ||
2944 | gphy->aci_wlan_automatic = 1; | ||
2945 | if (gphy->aci_enable) | ||
2946 | mode = B43_INTERFMODE_MANUALWLAN; | ||
2947 | else | ||
2948 | mode = B43_INTERFMODE_NONE; | ||
2949 | break; | ||
2950 | case B43_INTERFMODE_NONE: | ||
2951 | case B43_INTERFMODE_NONWLAN: | ||
2952 | case B43_INTERFMODE_MANUALWLAN: | ||
2953 | break; | ||
2954 | default: | ||
2955 | return -EINVAL; | ||
2956 | } | ||
2957 | |||
2958 | currentmode = gphy->interfmode; | ||
2959 | if (currentmode == mode) | ||
2960 | return 0; | ||
2961 | if (currentmode != B43_INTERFMODE_NONE) | ||
2962 | b43_radio_interference_mitigation_disable(dev, currentmode); | ||
2963 | |||
2964 | if (mode == B43_INTERFMODE_NONE) { | ||
2965 | gphy->aci_enable = 0; | ||
2966 | gphy->aci_hw_rssi = 0; | ||
2967 | } else | ||
2968 | b43_radio_interference_mitigation_enable(dev, mode); | ||
2969 | gphy->interfmode = mode; | ||
2970 | |||
2971 | return 0; | ||
2972 | } | ||
2973 | |||
2974 | /* http://bcm-specs.sipsolutions.net/EstimatePowerOut | ||
2975 | * This function converts a TSSI value to dBm in Q5.2 | ||
2976 | */ | ||
2977 | static s8 b43_gphy_estimate_power_out(struct b43_wldev *dev, s8 tssi) | ||
2978 | { | ||
2979 | struct b43_phy_g *gphy = dev->phy.g; | ||
2980 | s8 dbm; | ||
2981 | s32 tmp; | ||
2982 | |||
2983 | tmp = (gphy->tgt_idle_tssi - gphy->cur_idle_tssi + tssi); | ||
2984 | tmp = clamp_val(tmp, 0x00, 0x3F); | ||
2985 | dbm = gphy->tssi2dbm[tmp]; | ||
2986 | |||
2987 | return dbm; | ||
2988 | } | ||
2989 | |||
2990 | static void b43_put_attenuation_into_ranges(struct b43_wldev *dev, | ||
2991 | int *_bbatt, int *_rfatt) | ||
2992 | { | ||
2993 | int rfatt = *_rfatt; | ||
2994 | int bbatt = *_bbatt; | ||
2995 | struct b43_txpower_lo_control *lo = dev->phy.g->lo_control; | ||
2996 | |||
2997 | /* Get baseband and radio attenuation values into their permitted ranges. | ||
2998 | * Radio attenuation affects power level 4 times as much as baseband. */ | ||
2999 | |||
3000 | /* Range constants */ | ||
3001 | const int rf_min = lo->rfatt_list.min_val; | ||
3002 | const int rf_max = lo->rfatt_list.max_val; | ||
3003 | const int bb_min = lo->bbatt_list.min_val; | ||
3004 | const int bb_max = lo->bbatt_list.max_val; | ||
3005 | |||
3006 | while (1) { | ||
3007 | if (rfatt > rf_max && bbatt > bb_max - 4) | ||
3008 | break; /* Can not get it into ranges */ | ||
3009 | if (rfatt < rf_min && bbatt < bb_min + 4) | ||
3010 | break; /* Can not get it into ranges */ | ||
3011 | if (bbatt > bb_max && rfatt > rf_max - 1) | ||
3012 | break; /* Can not get it into ranges */ | ||
3013 | if (bbatt < bb_min && rfatt < rf_min + 1) | ||
3014 | break; /* Can not get it into ranges */ | ||
3015 | |||
3016 | if (bbatt > bb_max) { | ||
3017 | bbatt -= 4; | ||
3018 | rfatt += 1; | ||
3019 | continue; | ||
3020 | } | ||
3021 | if (bbatt < bb_min) { | ||
3022 | bbatt += 4; | ||
3023 | rfatt -= 1; | ||
3024 | continue; | ||
3025 | } | ||
3026 | if (rfatt > rf_max) { | ||
3027 | rfatt -= 1; | ||
3028 | bbatt += 4; | ||
3029 | continue; | ||
3030 | } | ||
3031 | if (rfatt < rf_min) { | ||
3032 | rfatt += 1; | ||
3033 | bbatt -= 4; | ||
3034 | continue; | ||
3035 | } | ||
3036 | break; | ||
3037 | } | ||
3038 | |||
3039 | *_rfatt = clamp_val(rfatt, rf_min, rf_max); | ||
3040 | *_bbatt = clamp_val(bbatt, bb_min, bb_max); | ||
3041 | } | ||
3042 | |||
3043 | static void b43_gphy_op_adjust_txpower(struct b43_wldev *dev) | ||
3044 | { | ||
3045 | struct b43_phy *phy = &dev->phy; | ||
3046 | struct b43_phy_g *gphy = phy->g; | ||
3047 | int rfatt, bbatt; | ||
3048 | u8 tx_control; | ||
3049 | |||
3050 | spin_lock_irq(&dev->wl->irq_lock); | ||
3051 | |||
3052 | /* Calculate the new attenuation values. */ | ||
3053 | bbatt = gphy->bbatt.att; | ||
3054 | bbatt += gphy->bbatt_delta; | ||
3055 | rfatt = gphy->rfatt.att; | ||
3056 | rfatt += gphy->rfatt_delta; | ||
3057 | |||
3058 | b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); | ||
3059 | tx_control = gphy->tx_control; | ||
3060 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) { | ||
3061 | if (rfatt <= 1) { | ||
3062 | if (tx_control == 0) { | ||
3063 | tx_control = | ||
3064 | B43_TXCTL_PA2DB | | ||
3065 | B43_TXCTL_TXMIX; | ||
3066 | rfatt += 2; | ||
3067 | bbatt += 2; | ||
3068 | } else if (dev->dev->bus->sprom. | ||
3069 | boardflags_lo & | ||
3070 | B43_BFL_PACTRL) { | ||
3071 | bbatt += 4 * (rfatt - 2); | ||
3072 | rfatt = 2; | ||
3073 | } | ||
3074 | } else if (rfatt > 4 && tx_control) { | ||
3075 | tx_control = 0; | ||
3076 | if (bbatt < 3) { | ||
3077 | rfatt -= 3; | ||
3078 | bbatt += 2; | ||
3079 | } else { | ||
3080 | rfatt -= 2; | ||
3081 | bbatt -= 2; | ||
3082 | } | ||
3083 | } | ||
3084 | } | ||
3085 | /* Save the control values */ | ||
3086 | gphy->tx_control = tx_control; | ||
3087 | b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt); | ||
3088 | gphy->rfatt.att = rfatt; | ||
3089 | gphy->bbatt.att = bbatt; | ||
3090 | |||
3091 | /* We drop the lock early, so we can sleep during hardware | ||
3092 | * adjustment. Possible races with op_recalc_txpower are harmless, | ||
3093 | * as we will be called once again in case we raced. */ | ||
3094 | spin_unlock_irq(&dev->wl->irq_lock); | ||
3095 | |||
3096 | if (b43_debug(dev, B43_DBG_XMITPOWER)) | ||
3097 | b43dbg(dev->wl, "Adjusting TX power\n"); | ||
3098 | |||
3099 | /* Adjust the hardware */ | ||
3100 | b43_phy_lock(dev); | ||
3101 | b43_radio_lock(dev); | ||
3102 | b43_set_txpower_g(dev, &gphy->bbatt, &gphy->rfatt, | ||
3103 | gphy->tx_control); | ||
3104 | b43_radio_unlock(dev); | ||
3105 | b43_phy_unlock(dev); | ||
3106 | } | ||
3107 | |||
3108 | static enum b43_txpwr_result b43_gphy_op_recalc_txpower(struct b43_wldev *dev, | ||
3109 | bool ignore_tssi) | ||
3110 | { | ||
3111 | struct b43_phy *phy = &dev->phy; | ||
3112 | struct b43_phy_g *gphy = phy->g; | ||
3113 | unsigned int average_tssi; | ||
3114 | int cck_result, ofdm_result; | ||
3115 | int estimated_pwr, desired_pwr, pwr_adjust; | ||
3116 | int rfatt_delta, bbatt_delta; | ||
3117 | unsigned int max_pwr; | ||
3118 | |||
3119 | /* First get the average TSSI */ | ||
3120 | cck_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_CCK); | ||
3121 | ofdm_result = b43_phy_shm_tssi_read(dev, B43_SHM_SH_TSSI_OFDM_G); | ||
3122 | if ((cck_result < 0) && (ofdm_result < 0)) { | ||
3123 | /* No TSSI information available */ | ||
3124 | if (!ignore_tssi) | ||
3125 | goto no_adjustment_needed; | ||
3126 | cck_result = 0; | ||
3127 | ofdm_result = 0; | ||
3128 | } | ||
3129 | if (cck_result < 0) | ||
3130 | average_tssi = ofdm_result; | ||
3131 | else if (ofdm_result < 0) | ||
3132 | average_tssi = cck_result; | ||
3133 | else | ||
3134 | average_tssi = (cck_result + ofdm_result) / 2; | ||
3135 | /* Merge the average with the stored value. */ | ||
3136 | if (likely(gphy->average_tssi != 0xFF)) | ||
3137 | average_tssi = (average_tssi + gphy->average_tssi) / 2; | ||
3138 | gphy->average_tssi = average_tssi; | ||
3139 | B43_WARN_ON(average_tssi >= B43_TSSI_MAX); | ||
3140 | |||
3141 | /* Estimate the TX power emission based on the TSSI */ | ||
3142 | estimated_pwr = b43_gphy_estimate_power_out(dev, average_tssi); | ||
3143 | |||
3144 | B43_WARN_ON(phy->type != B43_PHYTYPE_G); | ||
3145 | max_pwr = dev->dev->bus->sprom.maxpwr_bg; | ||
3146 | if (dev->dev->bus->sprom.boardflags_lo & B43_BFL_PACTRL) | ||
3147 | max_pwr -= 3; /* minus 0.75 */ | ||
3148 | if (unlikely(max_pwr >= INT_TO_Q52(30/*dBm*/))) { | ||
3149 | b43warn(dev->wl, | ||
3150 | "Invalid max-TX-power value in SPROM.\n"); | ||
3151 | max_pwr = INT_TO_Q52(20); /* fake it */ | ||
3152 | dev->dev->bus->sprom.maxpwr_bg = max_pwr; | ||
3153 | } | ||
3154 | |||
3155 | /* Get desired power (in Q5.2) */ | ||
3156 | if (phy->desired_txpower < 0) | ||
3157 | desired_pwr = INT_TO_Q52(0); | ||
3158 | else | ||
3159 | desired_pwr = INT_TO_Q52(phy->desired_txpower); | ||
3160 | /* And limit it. max_pwr already is Q5.2 */ | ||
3161 | desired_pwr = clamp_val(desired_pwr, 0, max_pwr); | ||
3162 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { | ||
3163 | b43dbg(dev->wl, | ||
3164 | "[TX power] current = " Q52_FMT | ||
3165 | " dBm, desired = " Q52_FMT | ||
3166 | " dBm, max = " Q52_FMT "\n", | ||
3167 | Q52_ARG(estimated_pwr), | ||
3168 | Q52_ARG(desired_pwr), | ||
3169 | Q52_ARG(max_pwr)); | ||
3170 | } | ||
3171 | |||
3172 | /* Calculate the adjustment delta. */ | ||
3173 | pwr_adjust = desired_pwr - estimated_pwr; | ||
3174 | if (pwr_adjust == 0) | ||
3175 | goto no_adjustment_needed; | ||
3176 | |||
3177 | /* RF attenuation delta. */ | ||
3178 | rfatt_delta = ((pwr_adjust + 7) / 8); | ||
3179 | /* Lower attenuation => Bigger power output. Negate it. */ | ||
3180 | rfatt_delta = -rfatt_delta; | ||
3181 | |||
3182 | /* Baseband attenuation delta. */ | ||
3183 | bbatt_delta = pwr_adjust / 2; | ||
3184 | /* Lower attenuation => Bigger power output. Negate it. */ | ||
3185 | bbatt_delta = -bbatt_delta; | ||
3186 | /* RF att affects power level 4 times as much as | ||
3187 | * Baseband attennuation. Subtract it. */ | ||
3188 | bbatt_delta -= 4 * rfatt_delta; | ||
3189 | |||
3190 | if (b43_debug(dev, B43_DBG_XMITPOWER)) { | ||
3191 | int dbm = pwr_adjust < 0 ? -pwr_adjust : pwr_adjust; | ||
3192 | b43dbg(dev->wl, | ||
3193 | "[TX power deltas] %s" Q52_FMT " dBm => " | ||
3194 | "bbatt-delta = %d, rfatt-delta = %d\n", | ||
3195 | (pwr_adjust < 0 ? "-" : ""), Q52_ARG(dbm), | ||
3196 | bbatt_delta, rfatt_delta); | ||
3197 | } | ||
3198 | /* So do we finally need to adjust something in hardware? */ | ||
3199 | if ((rfatt_delta == 0) && (bbatt_delta == 0)) | ||
3200 | goto no_adjustment_needed; | ||
3201 | |||
3202 | /* Save the deltas for later when we adjust the power. */ | ||
3203 | gphy->bbatt_delta = bbatt_delta; | ||
3204 | gphy->rfatt_delta = rfatt_delta; | ||
3205 | |||
3206 | /* We need to adjust the TX power on the device. */ | ||
3207 | return B43_TXPWR_RES_NEED_ADJUST; | ||
3208 | |||
3209 | no_adjustment_needed: | ||
3210 | return B43_TXPWR_RES_DONE; | ||
3211 | } | ||
3212 | |||
3213 | static void b43_gphy_op_pwork_15sec(struct b43_wldev *dev) | ||
3214 | { | ||
3215 | struct b43_phy *phy = &dev->phy; | ||
3216 | struct b43_phy_g *gphy = phy->g; | ||
3217 | |||
3218 | //TODO: update_aci_moving_average | ||
3219 | if (gphy->aci_enable && gphy->aci_wlan_automatic) { | ||
3220 | b43_mac_suspend(dev); | ||
3221 | if (!gphy->aci_enable && 1 /*TODO: not scanning? */ ) { | ||
3222 | if (0 /*TODO: bunch of conditions */ ) { | ||
3223 | phy->ops->interf_mitigation(dev, | ||
3224 | B43_INTERFMODE_MANUALWLAN); | ||
3225 | } | ||
3226 | } else if (0 /*TODO*/) { | ||
3227 | if (/*(aci_average > 1000) &&*/ !b43_gphy_aci_scan(dev)) | ||
3228 | phy->ops->interf_mitigation(dev, B43_INTERFMODE_NONE); | ||
3229 | } | ||
3230 | b43_mac_enable(dev); | ||
3231 | } else if (gphy->interfmode == B43_INTERFMODE_NONWLAN && | ||
3232 | phy->rev == 1) { | ||
3233 | //TODO: implement rev1 workaround | ||
3234 | } | ||
3235 | b43_lo_g_maintanance_work(dev); | ||
3236 | } | ||
3237 | |||
3238 | static void b43_gphy_op_pwork_60sec(struct b43_wldev *dev) | ||
3239 | { | ||
3240 | struct b43_phy *phy = &dev->phy; | ||
3241 | |||
3242 | if (!(dev->dev->bus->sprom.boardflags_lo & B43_BFL_RSSI)) | ||
3243 | return; | ||
3244 | |||
3245 | b43_mac_suspend(dev); | ||
3246 | b43_calc_nrssi_slope(dev); | ||
3247 | if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 8)) { | ||
3248 | u8 old_chan = phy->channel; | ||
3249 | |||
3250 | /* VCO Calibration */ | ||
3251 | if (old_chan >= 8) | ||
3252 | b43_switch_channel(dev, 1); | ||
3253 | else | ||
3254 | b43_switch_channel(dev, 13); | ||
3255 | b43_switch_channel(dev, old_chan); | ||
3256 | } | ||
3257 | b43_mac_enable(dev); | ||
3258 | } | ||
3259 | |||
3260 | const struct b43_phy_operations b43_phyops_g = { | ||
3261 | .allocate = b43_gphy_op_allocate, | ||
3262 | .free = b43_gphy_op_free, | ||
3263 | .prepare_structs = b43_gphy_op_prepare_structs, | ||
3264 | .prepare_hardware = b43_gphy_op_prepare_hardware, | ||
3265 | .init = b43_gphy_op_init, | ||
3266 | .exit = b43_gphy_op_exit, | ||
3267 | .phy_read = b43_gphy_op_read, | ||
3268 | .phy_write = b43_gphy_op_write, | ||
3269 | .radio_read = b43_gphy_op_radio_read, | ||
3270 | .radio_write = b43_gphy_op_radio_write, | ||
3271 | .supports_hwpctl = b43_gphy_op_supports_hwpctl, | ||
3272 | .software_rfkill = b43_gphy_op_software_rfkill, | ||
3273 | .switch_analog = b43_phyop_switch_analog_generic, | ||
3274 | .switch_channel = b43_gphy_op_switch_channel, | ||
3275 | .get_default_chan = b43_gphy_op_get_default_chan, | ||
3276 | .set_rx_antenna = b43_gphy_op_set_rx_antenna, | ||
3277 | .interf_mitigation = b43_gphy_op_interf_mitigation, | ||
3278 | .recalc_txpower = b43_gphy_op_recalc_txpower, | ||
3279 | .adjust_txpower = b43_gphy_op_adjust_txpower, | ||
3280 | .pwork_15sec = b43_gphy_op_pwork_15sec, | ||
3281 | .pwork_60sec = b43_gphy_op_pwork_60sec, | ||
3282 | }; | ||