1 /*
2
3 Broadcom B43 wireless driver
4 IEEE 802.11n PHY support
5
6 Copyright (c) 2008 Michael Buesch <m@bues.ch>
7 Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
8
9 This program is free software; you can redistribute it and/or modify
10 it under the terms of the GNU General Public License as published by
11 the Free Software Foundation; either version 2 of the License, or
12 (at your option) any later version.
13
14 This program is distributed in the hope that it will be useful,
15 but WITHOUT ANY WARRANTY; without even the implied warranty of
16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 GNU General Public License for more details.
18
19 You should have received a copy of the GNU General Public License
20 along with this program; see the file COPYING. If not, write to
21 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
22 Boston, MA 02110-1301, USA.
23
24 */
25
26 #include <linux/delay.h>
27 #include <linux/slab.h>
28 #include <linux/types.h>
29
30 #include "b43.h"
31 #include "phy_n.h"
32 #include "tables_nphy.h"
33 #include "radio_2055.h"
34 #include "radio_2056.h"
35 #include "radio_2057.h"
36 #include "main.h"
37 #include "ppr.h"
38
39 struct nphy_txgains {
40 u16 tx_lpf[2];
41 u16 txgm[2];
42 u16 pga[2];
43 u16 pad[2];
44 u16 ipa[2];
45 };
46
47 struct nphy_iqcal_params {
48 u16 tx_lpf;
49 u16 txgm;
50 u16 pga;
51 u16 pad;
52 u16 ipa;
53 u16 cal_gain;
54 u16 ncorr[5];
55 };
56
57 struct nphy_iq_est {
58 s32 iq0_prod;
59 u32 i0_pwr;
60 u32 q0_pwr;
61 s32 iq1_prod;
62 u32 i1_pwr;
63 u32 q1_pwr;
64 };
65
66 enum b43_nphy_rf_sequence {
67 B43_RFSEQ_RX2TX,
68 B43_RFSEQ_TX2RX,
69 B43_RFSEQ_RESET2RX,
70 B43_RFSEQ_UPDATE_GAINH,
71 B43_RFSEQ_UPDATE_GAINL,
72 B43_RFSEQ_UPDATE_GAINU,
73 };
74
75 enum n_rf_ctl_over_cmd {
76 N_RF_CTL_OVER_CMD_RXRF_PU = 0,
77 N_RF_CTL_OVER_CMD_RX_PU = 1,
78 N_RF_CTL_OVER_CMD_TX_PU = 2,
79 N_RF_CTL_OVER_CMD_RX_GAIN = 3,
80 N_RF_CTL_OVER_CMD_TX_GAIN = 4,
81 };
82
83 enum n_intc_override {
84 N_INTC_OVERRIDE_OFF = 0,
85 N_INTC_OVERRIDE_TRSW = 1,
86 N_INTC_OVERRIDE_PA = 2,
87 N_INTC_OVERRIDE_EXT_LNA_PU = 3,
88 N_INTC_OVERRIDE_EXT_LNA_GAIN = 4,
89 };
90
91 enum n_rssi_type {
92 N_RSSI_W1 = 0,
93 N_RSSI_W2,
94 N_RSSI_NB,
95 N_RSSI_IQ,
96 N_RSSI_TSSI_2G,
97 N_RSSI_TSSI_5G,
98 N_RSSI_TBD,
99 };
100
101 enum n_rail_type {
102 N_RAIL_I = 0,
103 N_RAIL_Q = 1,
104 };
105
b43_nphy_ipa(struct b43_wldev * dev)106 static inline bool b43_nphy_ipa(struct b43_wldev *dev)
107 {
108 enum nl80211_band band = b43_current_band(dev->wl);
109 return ((dev->phy.n->ipa2g_on && band == NL80211_BAND_2GHZ) ||
110 (dev->phy.n->ipa5g_on && band == NL80211_BAND_5GHZ));
111 }
112
113 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
b43_nphy_get_rx_core_state(struct b43_wldev * dev)114 static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
115 {
116 return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
117 B43_NPHY_RFSEQCA_RXEN_SHIFT;
118 }
119
120 /**************************************************
121 * RF (just without b43_nphy_rf_ctl_intc_override)
122 **************************************************/
123
124 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
b43_nphy_force_rf_sequence(struct b43_wldev * dev,enum b43_nphy_rf_sequence seq)125 static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
126 enum b43_nphy_rf_sequence seq)
127 {
128 static const u16 trigger[] = {
129 [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
130 [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
131 [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
132 [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
133 [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
134 [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
135 };
136 int i;
137 u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
138
139 B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
140
141 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
142 B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
143 b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
144 for (i = 0; i < 200; i++) {
145 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
146 goto ok;
147 msleep(1);
148 }
149 b43err(dev->wl, "RF sequence status timeout\n");
150 ok:
151 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
152 }
153
b43_nphy_rf_ctl_override_rev19(struct b43_wldev * dev,u16 field,u16 value,u8 core,bool off,u8 override_id)154 static void b43_nphy_rf_ctl_override_rev19(struct b43_wldev *dev, u16 field,
155 u16 value, u8 core, bool off,
156 u8 override_id)
157 {
158 /* TODO */
159 }
160
161 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */
b43_nphy_rf_ctl_override_rev7(struct b43_wldev * dev,u16 field,u16 value,u8 core,bool off,u8 override)162 static void b43_nphy_rf_ctl_override_rev7(struct b43_wldev *dev, u16 field,
163 u16 value, u8 core, bool off,
164 u8 override)
165 {
166 struct b43_phy *phy = &dev->phy;
167 const struct nphy_rf_control_override_rev7 *e;
168 u16 en_addrs[3][2] = {
169 { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 }
170 };
171 u16 en_addr;
172 u16 en_mask = field;
173 u16 val_addr;
174 u8 i;
175
176 if (phy->rev >= 19 || phy->rev < 3) {
177 B43_WARN_ON(1);
178 return;
179 }
180
181 /* Remember: we can get NULL! */
182 e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override);
183
184 for (i = 0; i < 2; i++) {
185 if (override >= ARRAY_SIZE(en_addrs)) {
186 b43err(dev->wl, "Invalid override value %d\n", override);
187 return;
188 }
189 en_addr = en_addrs[override][i];
190
191 if (e)
192 val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1;
193
194 if (off) {
195 b43_phy_mask(dev, en_addr, ~en_mask);
196 if (e) /* Do it safer, better than wl */
197 b43_phy_mask(dev, val_addr, ~e->val_mask);
198 } else {
199 if (!core || (core & (1 << i))) {
200 b43_phy_set(dev, en_addr, en_mask);
201 if (e)
202 b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift));
203 }
204 }
205 }
206 }
207
208 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverideOneToMany */
b43_nphy_rf_ctl_override_one_to_many(struct b43_wldev * dev,enum n_rf_ctl_over_cmd cmd,u16 value,u8 core,bool off)209 static void b43_nphy_rf_ctl_override_one_to_many(struct b43_wldev *dev,
210 enum n_rf_ctl_over_cmd cmd,
211 u16 value, u8 core, bool off)
212 {
213 struct b43_phy *phy = &dev->phy;
214 u16 tmp;
215
216 B43_WARN_ON(phy->rev < 7);
217
218 switch (cmd) {
219 case N_RF_CTL_OVER_CMD_RXRF_PU:
220 b43_nphy_rf_ctl_override_rev7(dev, 0x20, value, core, off, 1);
221 b43_nphy_rf_ctl_override_rev7(dev, 0x10, value, core, off, 1);
222 b43_nphy_rf_ctl_override_rev7(dev, 0x08, value, core, off, 1);
223 break;
224 case N_RF_CTL_OVER_CMD_RX_PU:
225 b43_nphy_rf_ctl_override_rev7(dev, 0x4, value, core, off, 1);
226 b43_nphy_rf_ctl_override_rev7(dev, 0x2, value, core, off, 1);
227 b43_nphy_rf_ctl_override_rev7(dev, 0x1, value, core, off, 1);
228 b43_nphy_rf_ctl_override_rev7(dev, 0x2, value, core, off, 2);
229 b43_nphy_rf_ctl_override_rev7(dev, 0x0800, 0, core, off, 1);
230 break;
231 case N_RF_CTL_OVER_CMD_TX_PU:
232 b43_nphy_rf_ctl_override_rev7(dev, 0x4, value, core, off, 0);
233 b43_nphy_rf_ctl_override_rev7(dev, 0x2, value, core, off, 1);
234 b43_nphy_rf_ctl_override_rev7(dev, 0x1, value, core, off, 2);
235 b43_nphy_rf_ctl_override_rev7(dev, 0x0800, 1, core, off, 1);
236 break;
237 case N_RF_CTL_OVER_CMD_RX_GAIN:
238 tmp = value & 0xFF;
239 b43_nphy_rf_ctl_override_rev7(dev, 0x0800, tmp, core, off, 0);
240 tmp = value >> 8;
241 b43_nphy_rf_ctl_override_rev7(dev, 0x6000, tmp, core, off, 0);
242 break;
243 case N_RF_CTL_OVER_CMD_TX_GAIN:
244 tmp = value & 0x7FFF;
245 b43_nphy_rf_ctl_override_rev7(dev, 0x1000, tmp, core, off, 0);
246 tmp = value >> 14;
247 b43_nphy_rf_ctl_override_rev7(dev, 0x4000, tmp, core, off, 0);
248 break;
249 }
250 }
251
252 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
b43_nphy_rf_ctl_override(struct b43_wldev * dev,u16 field,u16 value,u8 core,bool off)253 static void b43_nphy_rf_ctl_override(struct b43_wldev *dev, u16 field,
254 u16 value, u8 core, bool off)
255 {
256 int i;
257 u8 index = fls(field);
258 u8 addr, en_addr, val_addr;
259 /* we expect only one bit set */
260 B43_WARN_ON(field & (~(1 << (index - 1))));
261
262 if (dev->phy.rev >= 3) {
263 const struct nphy_rf_control_override_rev3 *rf_ctrl;
264 for (i = 0; i < 2; i++) {
265 if (index == 0 || index == 16) {
266 b43err(dev->wl,
267 "Unsupported RF Ctrl Override call\n");
268 return;
269 }
270
271 rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
272 en_addr = B43_PHY_N((i == 0) ?
273 rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
274 val_addr = B43_PHY_N((i == 0) ?
275 rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
276
277 if (off) {
278 b43_phy_mask(dev, en_addr, ~(field));
279 b43_phy_mask(dev, val_addr,
280 ~(rf_ctrl->val_mask));
281 } else {
282 if (core == 0 || ((1 << i) & core)) {
283 b43_phy_set(dev, en_addr, field);
284 b43_phy_maskset(dev, val_addr,
285 ~(rf_ctrl->val_mask),
286 (value << rf_ctrl->val_shift));
287 }
288 }
289 }
290 } else {
291 const struct nphy_rf_control_override_rev2 *rf_ctrl;
292 if (off) {
293 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
294 value = 0;
295 } else {
296 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
297 }
298
299 for (i = 0; i < 2; i++) {
300 if (index <= 1 || index == 16) {
301 b43err(dev->wl,
302 "Unsupported RF Ctrl Override call\n");
303 return;
304 }
305
306 if (index == 2 || index == 10 ||
307 (index >= 13 && index <= 15)) {
308 core = 1;
309 }
310
311 rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
312 addr = B43_PHY_N((i == 0) ?
313 rf_ctrl->addr0 : rf_ctrl->addr1);
314
315 if ((1 << i) & core)
316 b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
317 (value << rf_ctrl->shift));
318
319 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
320 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
321 B43_NPHY_RFCTL_CMD_START);
322 udelay(1);
323 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
324 }
325 }
326 }
327
b43_nphy_rf_ctl_intc_override_rev7(struct b43_wldev * dev,enum n_intc_override intc_override,u16 value,u8 core_sel)328 static void b43_nphy_rf_ctl_intc_override_rev7(struct b43_wldev *dev,
329 enum n_intc_override intc_override,
330 u16 value, u8 core_sel)
331 {
332 u16 reg, tmp, tmp2, val;
333 int core;
334
335 /* TODO: What about rev19+? Revs 3+ and 7+ are a bit similar */
336
337 for (core = 0; core < 2; core++) {
338 if ((core_sel == 1 && core != 0) ||
339 (core_sel == 2 && core != 1))
340 continue;
341
342 reg = (core == 0) ? B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
343
344 switch (intc_override) {
345 case N_INTC_OVERRIDE_OFF:
346 b43_phy_write(dev, reg, 0);
347 b43_phy_mask(dev, 0x2ff, ~0x2000);
348 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
349 break;
350 case N_INTC_OVERRIDE_TRSW:
351 b43_phy_maskset(dev, reg, ~0xC0, value << 6);
352 b43_phy_set(dev, reg, 0x400);
353
354 b43_phy_mask(dev, 0x2ff, ~0xC000 & 0xFFFF);
355 b43_phy_set(dev, 0x2ff, 0x2000);
356 b43_phy_set(dev, 0x2ff, 0x0001);
357 break;
358 case N_INTC_OVERRIDE_PA:
359 tmp = 0x0030;
360 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ)
361 val = value << 5;
362 else
363 val = value << 4;
364 b43_phy_maskset(dev, reg, ~tmp, val);
365 b43_phy_set(dev, reg, 0x1000);
366 break;
367 case N_INTC_OVERRIDE_EXT_LNA_PU:
368 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
369 tmp = 0x0001;
370 tmp2 = 0x0004;
371 val = value;
372 } else {
373 tmp = 0x0004;
374 tmp2 = 0x0001;
375 val = value << 2;
376 }
377 b43_phy_maskset(dev, reg, ~tmp, val);
378 b43_phy_mask(dev, reg, ~tmp2);
379 break;
380 case N_INTC_OVERRIDE_EXT_LNA_GAIN:
381 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
382 tmp = 0x0002;
383 tmp2 = 0x0008;
384 val = value << 1;
385 } else {
386 tmp = 0x0008;
387 tmp2 = 0x0002;
388 val = value << 3;
389 }
390 b43_phy_maskset(dev, reg, ~tmp, val);
391 b43_phy_mask(dev, reg, ~tmp2);
392 break;
393 }
394 }
395 }
396
397 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
b43_nphy_rf_ctl_intc_override(struct b43_wldev * dev,enum n_intc_override intc_override,u16 value,u8 core)398 static void b43_nphy_rf_ctl_intc_override(struct b43_wldev *dev,
399 enum n_intc_override intc_override,
400 u16 value, u8 core)
401 {
402 u8 i, j;
403 u16 reg, tmp, val;
404
405 if (dev->phy.rev >= 7) {
406 b43_nphy_rf_ctl_intc_override_rev7(dev, intc_override, value,
407 core);
408 return;
409 }
410
411 B43_WARN_ON(dev->phy.rev < 3);
412
413 for (i = 0; i < 2; i++) {
414 if ((core == 1 && i == 1) || (core == 2 && !i))
415 continue;
416
417 reg = (i == 0) ?
418 B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
419 b43_phy_set(dev, reg, 0x400);
420
421 switch (intc_override) {
422 case N_INTC_OVERRIDE_OFF:
423 b43_phy_write(dev, reg, 0);
424 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
425 break;
426 case N_INTC_OVERRIDE_TRSW:
427 if (!i) {
428 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
429 0xFC3F, (value << 6));
430 b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
431 0xFFFE, 1);
432 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
433 B43_NPHY_RFCTL_CMD_START);
434 for (j = 0; j < 100; j++) {
435 if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
436 j = 0;
437 break;
438 }
439 udelay(10);
440 }
441 if (j)
442 b43err(dev->wl,
443 "intc override timeout\n");
444 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
445 0xFFFE);
446 } else {
447 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
448 0xFC3F, (value << 6));
449 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
450 0xFFFE, 1);
451 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
452 B43_NPHY_RFCTL_CMD_RXTX);
453 for (j = 0; j < 100; j++) {
454 if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
455 j = 0;
456 break;
457 }
458 udelay(10);
459 }
460 if (j)
461 b43err(dev->wl,
462 "intc override timeout\n");
463 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
464 0xFFFE);
465 }
466 break;
467 case N_INTC_OVERRIDE_PA:
468 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
469 tmp = 0x0020;
470 val = value << 5;
471 } else {
472 tmp = 0x0010;
473 val = value << 4;
474 }
475 b43_phy_maskset(dev, reg, ~tmp, val);
476 break;
477 case N_INTC_OVERRIDE_EXT_LNA_PU:
478 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
479 tmp = 0x0001;
480 val = value;
481 } else {
482 tmp = 0x0004;
483 val = value << 2;
484 }
485 b43_phy_maskset(dev, reg, ~tmp, val);
486 break;
487 case N_INTC_OVERRIDE_EXT_LNA_GAIN:
488 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
489 tmp = 0x0002;
490 val = value << 1;
491 } else {
492 tmp = 0x0008;
493 val = value << 3;
494 }
495 b43_phy_maskset(dev, reg, ~tmp, val);
496 break;
497 }
498 }
499 }
500
501 /**************************************************
502 * Various PHY ops
503 **************************************************/
504
505 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
b43_nphy_write_clip_detection(struct b43_wldev * dev,const u16 * clip_st)506 static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
507 const u16 *clip_st)
508 {
509 b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
510 b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
511 }
512
513 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
b43_nphy_read_clip_detection(struct b43_wldev * dev,u16 * clip_st)514 static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
515 {
516 clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
517 clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
518 }
519
520 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
b43_nphy_classifier(struct b43_wldev * dev,u16 mask,u16 val)521 static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
522 {
523 u16 tmp;
524
525 if (dev->dev->core_rev == 16)
526 b43_mac_suspend(dev);
527
528 tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
529 tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
530 B43_NPHY_CLASSCTL_WAITEDEN);
531 tmp &= ~mask;
532 tmp |= (val & mask);
533 b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
534
535 if (dev->dev->core_rev == 16)
536 b43_mac_enable(dev);
537
538 return tmp;
539 }
540
541 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
b43_nphy_reset_cca(struct b43_wldev * dev)542 static void b43_nphy_reset_cca(struct b43_wldev *dev)
543 {
544 u16 bbcfg;
545
546 b43_phy_force_clock(dev, 1);
547 bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
548 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
549 udelay(1);
550 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
551 b43_phy_force_clock(dev, 0);
552 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
553 }
554
555 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
b43_nphy_stay_in_carrier_search(struct b43_wldev * dev,bool enable)556 static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
557 {
558 struct b43_phy *phy = &dev->phy;
559 struct b43_phy_n *nphy = phy->n;
560
561 if (enable) {
562 static const u16 clip[] = { 0xFFFF, 0xFFFF };
563 if (nphy->deaf_count++ == 0) {
564 nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
565 b43_nphy_classifier(dev, 0x7,
566 B43_NPHY_CLASSCTL_WAITEDEN);
567 b43_nphy_read_clip_detection(dev, nphy->clip_state);
568 b43_nphy_write_clip_detection(dev, clip);
569 }
570 b43_nphy_reset_cca(dev);
571 } else {
572 if (--nphy->deaf_count == 0) {
573 b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
574 b43_nphy_write_clip_detection(dev, nphy->clip_state);
575 }
576 }
577 }
578
579 /* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
b43_nphy_read_lpf_ctl(struct b43_wldev * dev,u16 offset)580 static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
581 {
582 if (!offset)
583 offset = b43_is_40mhz(dev) ? 0x159 : 0x154;
584 return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
585 }
586
587 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
b43_nphy_adjust_lna_gain_table(struct b43_wldev * dev)588 static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
589 {
590 struct b43_phy_n *nphy = dev->phy.n;
591
592 u8 i;
593 s16 tmp;
594 u16 data[4];
595 s16 gain[2];
596 u16 minmax[2];
597 static const u16 lna_gain[4] = { -2, 10, 19, 25 };
598
599 if (nphy->hang_avoid)
600 b43_nphy_stay_in_carrier_search(dev, 1);
601
602 if (nphy->gain_boost) {
603 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
604 gain[0] = 6;
605 gain[1] = 6;
606 } else {
607 tmp = 40370 - 315 * dev->phy.channel;
608 gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
609 tmp = 23242 - 224 * dev->phy.channel;
610 gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
611 }
612 } else {
613 gain[0] = 0;
614 gain[1] = 0;
615 }
616
617 for (i = 0; i < 2; i++) {
618 if (nphy->elna_gain_config) {
619 data[0] = 19 + gain[i];
620 data[1] = 25 + gain[i];
621 data[2] = 25 + gain[i];
622 data[3] = 25 + gain[i];
623 } else {
624 data[0] = lna_gain[0] + gain[i];
625 data[1] = lna_gain[1] + gain[i];
626 data[2] = lna_gain[2] + gain[i];
627 data[3] = lna_gain[3] + gain[i];
628 }
629 b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
630
631 minmax[i] = 23 + gain[i];
632 }
633
634 b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
635 minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
636 b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
637 minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
638
639 if (nphy->hang_avoid)
640 b43_nphy_stay_in_carrier_search(dev, 0);
641 }
642
643 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
b43_nphy_set_rf_sequence(struct b43_wldev * dev,u8 cmd,u8 * events,u8 * delays,u8 length)644 static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
645 u8 *events, u8 *delays, u8 length)
646 {
647 struct b43_phy_n *nphy = dev->phy.n;
648 u8 i;
649 u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
650 u16 offset1 = cmd << 4;
651 u16 offset2 = offset1 + 0x80;
652
653 if (nphy->hang_avoid)
654 b43_nphy_stay_in_carrier_search(dev, true);
655
656 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
657 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
658
659 for (i = length; i < 16; i++) {
660 b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
661 b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
662 }
663
664 if (nphy->hang_avoid)
665 b43_nphy_stay_in_carrier_search(dev, false);
666 }
667
668 /**************************************************
669 * Radio 0x2057
670 **************************************************/
671
b43_radio_2057_chantab_upload(struct b43_wldev * dev,const struct b43_nphy_chantabent_rev7 * e_r7,const struct b43_nphy_chantabent_rev7_2g * e_r7_2g)672 static void b43_radio_2057_chantab_upload(struct b43_wldev *dev,
673 const struct b43_nphy_chantabent_rev7 *e_r7,
674 const struct b43_nphy_chantabent_rev7_2g *e_r7_2g)
675 {
676 if (e_r7_2g) {
677 b43_radio_write(dev, R2057_VCOCAL_COUNTVAL0, e_r7_2g->radio_vcocal_countval0);
678 b43_radio_write(dev, R2057_VCOCAL_COUNTVAL1, e_r7_2g->radio_vcocal_countval1);
679 b43_radio_write(dev, R2057_RFPLL_REFMASTER_SPAREXTALSIZE, e_r7_2g->radio_rfpll_refmaster_sparextalsize);
680 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, e_r7_2g->radio_rfpll_loopfilter_r1);
681 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, e_r7_2g->radio_rfpll_loopfilter_c2);
682 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, e_r7_2g->radio_rfpll_loopfilter_c1);
683 b43_radio_write(dev, R2057_CP_KPD_IDAC, e_r7_2g->radio_cp_kpd_idac);
684 b43_radio_write(dev, R2057_RFPLL_MMD0, e_r7_2g->radio_rfpll_mmd0);
685 b43_radio_write(dev, R2057_RFPLL_MMD1, e_r7_2g->radio_rfpll_mmd1);
686 b43_radio_write(dev, R2057_VCOBUF_TUNE, e_r7_2g->radio_vcobuf_tune);
687 b43_radio_write(dev, R2057_LOGEN_MX2G_TUNE, e_r7_2g->radio_logen_mx2g_tune);
688 b43_radio_write(dev, R2057_LOGEN_INDBUF2G_TUNE, e_r7_2g->radio_logen_indbuf2g_tune);
689 b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, e_r7_2g->radio_txmix2g_tune_boost_pu_core0);
690 b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE0, e_r7_2g->radio_pad2g_tune_pus_core0);
691 b43_radio_write(dev, R2057_LNA2G_TUNE_CORE0, e_r7_2g->radio_lna2g_tune_core0);
692 b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE1, e_r7_2g->radio_txmix2g_tune_boost_pu_core1);
693 b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE1, e_r7_2g->radio_pad2g_tune_pus_core1);
694 b43_radio_write(dev, R2057_LNA2G_TUNE_CORE1, e_r7_2g->radio_lna2g_tune_core1);
695
696 } else {
697 b43_radio_write(dev, R2057_VCOCAL_COUNTVAL0, e_r7->radio_vcocal_countval0);
698 b43_radio_write(dev, R2057_VCOCAL_COUNTVAL1, e_r7->radio_vcocal_countval1);
699 b43_radio_write(dev, R2057_RFPLL_REFMASTER_SPAREXTALSIZE, e_r7->radio_rfpll_refmaster_sparextalsize);
700 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, e_r7->radio_rfpll_loopfilter_r1);
701 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, e_r7->radio_rfpll_loopfilter_c2);
702 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, e_r7->radio_rfpll_loopfilter_c1);
703 b43_radio_write(dev, R2057_CP_KPD_IDAC, e_r7->radio_cp_kpd_idac);
704 b43_radio_write(dev, R2057_RFPLL_MMD0, e_r7->radio_rfpll_mmd0);
705 b43_radio_write(dev, R2057_RFPLL_MMD1, e_r7->radio_rfpll_mmd1);
706 b43_radio_write(dev, R2057_VCOBUF_TUNE, e_r7->radio_vcobuf_tune);
707 b43_radio_write(dev, R2057_LOGEN_MX2G_TUNE, e_r7->radio_logen_mx2g_tune);
708 b43_radio_write(dev, R2057_LOGEN_MX5G_TUNE, e_r7->radio_logen_mx5g_tune);
709 b43_radio_write(dev, R2057_LOGEN_INDBUF2G_TUNE, e_r7->radio_logen_indbuf2g_tune);
710 b43_radio_write(dev, R2057_LOGEN_INDBUF5G_TUNE, e_r7->radio_logen_indbuf5g_tune);
711 b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, e_r7->radio_txmix2g_tune_boost_pu_core0);
712 b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE0, e_r7->radio_pad2g_tune_pus_core0);
713 b43_radio_write(dev, R2057_PGA_BOOST_TUNE_CORE0, e_r7->radio_pga_boost_tune_core0);
714 b43_radio_write(dev, R2057_TXMIX5G_BOOST_TUNE_CORE0, e_r7->radio_txmix5g_boost_tune_core0);
715 b43_radio_write(dev, R2057_PAD5G_TUNE_MISC_PUS_CORE0, e_r7->radio_pad5g_tune_misc_pus_core0);
716 b43_radio_write(dev, R2057_LNA2G_TUNE_CORE0, e_r7->radio_lna2g_tune_core0);
717 b43_radio_write(dev, R2057_LNA5G_TUNE_CORE0, e_r7->radio_lna5g_tune_core0);
718 b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE1, e_r7->radio_txmix2g_tune_boost_pu_core1);
719 b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE1, e_r7->radio_pad2g_tune_pus_core1);
720 b43_radio_write(dev, R2057_PGA_BOOST_TUNE_CORE1, e_r7->radio_pga_boost_tune_core1);
721 b43_radio_write(dev, R2057_TXMIX5G_BOOST_TUNE_CORE1, e_r7->radio_txmix5g_boost_tune_core1);
722 b43_radio_write(dev, R2057_PAD5G_TUNE_MISC_PUS_CORE1, e_r7->radio_pad5g_tune_misc_pus_core1);
723 b43_radio_write(dev, R2057_LNA2G_TUNE_CORE1, e_r7->radio_lna2g_tune_core1);
724 b43_radio_write(dev, R2057_LNA5G_TUNE_CORE1, e_r7->radio_lna5g_tune_core1);
725 }
726 }
727
b43_radio_2057_setup(struct b43_wldev * dev,const struct b43_nphy_chantabent_rev7 * tabent_r7,const struct b43_nphy_chantabent_rev7_2g * tabent_r7_2g)728 static void b43_radio_2057_setup(struct b43_wldev *dev,
729 const struct b43_nphy_chantabent_rev7 *tabent_r7,
730 const struct b43_nphy_chantabent_rev7_2g *tabent_r7_2g)
731 {
732 struct b43_phy *phy = &dev->phy;
733
734 b43_radio_2057_chantab_upload(dev, tabent_r7, tabent_r7_2g);
735
736 switch (phy->radio_rev) {
737 case 0 ... 4:
738 case 6:
739 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
740 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, 0x3f);
741 b43_radio_write(dev, R2057_CP_KPD_IDAC, 0x3f);
742 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, 0x8);
743 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, 0x8);
744 } else {
745 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, 0x1f);
746 b43_radio_write(dev, R2057_CP_KPD_IDAC, 0x3f);
747 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, 0x8);
748 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, 0x8);
749 }
750 break;
751 case 9: /* e.g. PHY rev 16 */
752 b43_radio_write(dev, R2057_LOGEN_PTAT_RESETS, 0x20);
753 b43_radio_write(dev, R2057_VCOBUF_IDACS, 0x18);
754 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
755 b43_radio_write(dev, R2057_LOGEN_PTAT_RESETS, 0x38);
756 b43_radio_write(dev, R2057_VCOBUF_IDACS, 0x0f);
757
758 if (b43_is_40mhz(dev)) {
759 /* TODO */
760 } else {
761 b43_radio_write(dev,
762 R2057_PAD_BIAS_FILTER_BWS_CORE0,
763 0x3c);
764 b43_radio_write(dev,
765 R2057_PAD_BIAS_FILTER_BWS_CORE1,
766 0x3c);
767 }
768 }
769 break;
770 case 14: /* 2 GHz only */
771 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_R1, 0x1b);
772 b43_radio_write(dev, R2057_CP_KPD_IDAC, 0x3f);
773 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C1, 0x1f);
774 b43_radio_write(dev, R2057_RFPLL_LOOPFILTER_C2, 0x1f);
775 break;
776 }
777
778 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
779 u16 txmix2g_tune_boost_pu = 0;
780 u16 pad2g_tune_pus = 0;
781
782 if (b43_nphy_ipa(dev)) {
783 switch (phy->radio_rev) {
784 case 9:
785 txmix2g_tune_boost_pu = 0x0041;
786 /* TODO */
787 break;
788 case 14:
789 txmix2g_tune_boost_pu = 0x21;
790 pad2g_tune_pus = 0x23;
791 break;
792 }
793 }
794
795 if (txmix2g_tune_boost_pu)
796 b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE0,
797 txmix2g_tune_boost_pu);
798 if (pad2g_tune_pus)
799 b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE0,
800 pad2g_tune_pus);
801 if (txmix2g_tune_boost_pu)
802 b43_radio_write(dev, R2057_TXMIX2G_TUNE_BOOST_PU_CORE1,
803 txmix2g_tune_boost_pu);
804 if (pad2g_tune_pus)
805 b43_radio_write(dev, R2057_PAD2G_TUNE_PUS_CORE1,
806 pad2g_tune_pus);
807 }
808
809 usleep_range(50, 100);
810
811 /* VCO calibration */
812 b43_radio_mask(dev, R2057_RFPLL_MISC_EN, ~0x01);
813 b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x04);
814 b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x4);
815 b43_radio_set(dev, R2057_RFPLL_MISC_EN, 0x01);
816 usleep_range(300, 600);
817 }
818
819 /* Calibrate resistors in LPF of PLL?
820 * http://bcm-v4.sipsolutions.net/PHY/radio205x_rcal
821 */
b43_radio_2057_rcal(struct b43_wldev * dev)822 static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
823 {
824 struct b43_phy *phy = &dev->phy;
825 u16 saved_regs_phy[12];
826 u16 saved_regs_phy_rf[6];
827 u16 saved_regs_radio[2] = { };
828 static const u16 phy_to_store[] = {
829 B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2,
830 B43_NPHY_RFCTL_LUT_TRSW_LO1, B43_NPHY_RFCTL_LUT_TRSW_LO2,
831 B43_NPHY_RFCTL_RXG1, B43_NPHY_RFCTL_RXG2,
832 B43_NPHY_RFCTL_TXG1, B43_NPHY_RFCTL_TXG2,
833 B43_NPHY_REV7_RF_CTL_MISC_REG3, B43_NPHY_REV7_RF_CTL_MISC_REG4,
834 B43_NPHY_REV7_RF_CTL_MISC_REG5, B43_NPHY_REV7_RF_CTL_MISC_REG6,
835 };
836 static const u16 phy_to_store_rf[] = {
837 B43_NPHY_REV3_RFCTL_OVER0, B43_NPHY_REV3_RFCTL_OVER1,
838 B43_NPHY_REV7_RF_CTL_OVER3, B43_NPHY_REV7_RF_CTL_OVER4,
839 B43_NPHY_REV7_RF_CTL_OVER5, B43_NPHY_REV7_RF_CTL_OVER6,
840 };
841 u16 tmp;
842 int i;
843
844 /* Save */
845 for (i = 0; i < ARRAY_SIZE(phy_to_store); i++)
846 saved_regs_phy[i] = b43_phy_read(dev, phy_to_store[i]);
847 for (i = 0; i < ARRAY_SIZE(phy_to_store_rf); i++)
848 saved_regs_phy_rf[i] = b43_phy_read(dev, phy_to_store_rf[i]);
849
850 /* Set */
851 for (i = 0; i < ARRAY_SIZE(phy_to_store); i++)
852 b43_phy_write(dev, phy_to_store[i], 0);
853 b43_phy_write(dev, B43_NPHY_REV3_RFCTL_OVER0, 0x07ff);
854 b43_phy_write(dev, B43_NPHY_REV3_RFCTL_OVER1, 0x07ff);
855 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0x07ff);
856 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER4, 0x07ff);
857 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER5, 0x007f);
858 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER6, 0x007f);
859
860 switch (phy->radio_rev) {
861 case 5:
862 b43_phy_mask(dev, B43_NPHY_REV7_RF_CTL_OVER3, ~0x2);
863 udelay(10);
864 b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
865 b43_radio_maskset(dev, R2057v7_IQTEST_SEL_PU2, ~0x2, 0x1);
866 break;
867 case 9:
868 b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0x2);
869 b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_MISC_REG3, 0x2);
870 saved_regs_radio[0] = b43_radio_read(dev, R2057_IQTEST_SEL_PU);
871 b43_radio_write(dev, R2057_IQTEST_SEL_PU, 0x11);
872 break;
873 case 14:
874 saved_regs_radio[0] = b43_radio_read(dev, R2057_IQTEST_SEL_PU);
875 saved_regs_radio[1] = b43_radio_read(dev, R2057v7_IQTEST_SEL_PU2);
876 b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_MISC_REG3, 0x2);
877 b43_phy_set(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0x2);
878 b43_radio_write(dev, R2057v7_IQTEST_SEL_PU2, 0x2);
879 b43_radio_write(dev, R2057_IQTEST_SEL_PU, 0x1);
880 break;
881 }
882
883 /* Enable */
884 b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
885 udelay(10);
886
887 /* Start */
888 b43_radio_set(dev, R2057_RCAL_CONFIG, 0x2);
889 usleep_range(100, 200);
890
891 /* Stop */
892 b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
893
894 /* Wait and check for result */
895 if (!b43_radio_wait_value(dev, R2057_RCAL_STATUS, 1, 1, 100, 1000000)) {
896 b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
897 return 0;
898 }
899 tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
900
901 /* Disable */
902 b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
903
904 /* Restore */
905 for (i = 0; i < ARRAY_SIZE(phy_to_store_rf); i++)
906 b43_phy_write(dev, phy_to_store_rf[i], saved_regs_phy_rf[i]);
907 for (i = 0; i < ARRAY_SIZE(phy_to_store); i++)
908 b43_phy_write(dev, phy_to_store[i], saved_regs_phy[i]);
909
910 switch (phy->radio_rev) {
911 case 0 ... 4:
912 case 6:
913 b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
914 b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
915 tmp << 2);
916 break;
917 case 5:
918 b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
919 b43_radio_mask(dev, R2057v7_IQTEST_SEL_PU2, ~0x2);
920 break;
921 case 9:
922 b43_radio_write(dev, R2057_IQTEST_SEL_PU, saved_regs_radio[0]);
923 break;
924 case 14:
925 b43_radio_write(dev, R2057_IQTEST_SEL_PU, saved_regs_radio[0]);
926 b43_radio_write(dev, R2057v7_IQTEST_SEL_PU2, saved_regs_radio[1]);
927 break;
928 }
929
930 return tmp & 0x3e;
931 }
932
933 /* Calibrate the internal RC oscillator?
934 * http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal
935 */
b43_radio_2057_rccal(struct b43_wldev * dev)936 static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
937 {
938 struct b43_phy *phy = &dev->phy;
939 bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
940 phy->radio_rev == 6);
941 u16 tmp;
942
943 /* Setup cal */
944 if (special) {
945 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
946 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
947 } else {
948 b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x61);
949 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE9);
950 }
951 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
952
953 /* Start, wait, stop */
954 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
955 if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500,
956 5000000))
957 b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
958 usleep_range(35, 70);
959 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
960 usleep_range(70, 140);
961
962 /* Setup cal */
963 if (special) {
964 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
965 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
966 } else {
967 b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x69);
968 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
969 }
970 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
971
972 /* Start, wait, stop */
973 usleep_range(35, 70);
974 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
975 usleep_range(70, 140);
976 if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500,
977 5000000))
978 b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
979 usleep_range(35, 70);
980 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
981 usleep_range(70, 140);
982
983 /* Setup cal */
984 if (special) {
985 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
986 b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
987 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
988 } else {
989 b43_radio_write(dev, R2057v7_RCCAL_MASTER, 0x73);
990 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
991 b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
992 }
993
994 /* Start, wait, stop */
995 usleep_range(35, 70);
996 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
997 usleep_range(70, 140);
998 if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 2, 2, 500,
999 5000000)) {
1000 b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
1001 return 0;
1002 }
1003 tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
1004 usleep_range(35, 70);
1005 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
1006 usleep_range(70, 140);
1007
1008 if (special)
1009 b43_radio_mask(dev, R2057_RCCAL_MASTER, ~0x1);
1010 else
1011 b43_radio_mask(dev, R2057v7_RCCAL_MASTER, ~0x1);
1012
1013 return tmp;
1014 }
1015
b43_radio_2057_init_pre(struct b43_wldev * dev)1016 static void b43_radio_2057_init_pre(struct b43_wldev *dev)
1017 {
1018 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU);
1019 /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
1020 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE);
1021 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
1022 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU);
1023 }
1024
b43_radio_2057_init_post(struct b43_wldev * dev)1025 static void b43_radio_2057_init_post(struct b43_wldev *dev)
1026 {
1027 b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);
1028
1029 if (0) /* FIXME: Is this BCM43217 specific? */
1030 b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x2);
1031
1032 b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
1033 b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
1034 usleep_range(2000, 3000);
1035 b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
1036 b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);
1037
1038 if (dev->phy.do_full_init) {
1039 b43_radio_2057_rcal(dev);
1040 b43_radio_2057_rccal(dev);
1041 }
1042 b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);
1043 }
1044
1045 /* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
b43_radio_2057_init(struct b43_wldev * dev)1046 static void b43_radio_2057_init(struct b43_wldev *dev)
1047 {
1048 b43_radio_2057_init_pre(dev);
1049 r2057_upload_inittabs(dev);
1050 b43_radio_2057_init_post(dev);
1051 }
1052
1053 /**************************************************
1054 * Radio 0x2056
1055 **************************************************/
1056
b43_chantab_radio_2056_upload(struct b43_wldev * dev,const struct b43_nphy_channeltab_entry_rev3 * e)1057 static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
1058 const struct b43_nphy_channeltab_entry_rev3 *e)
1059 {
1060 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
1061 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
1062 b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
1063 b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
1064 b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
1065 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
1066 e->radio_syn_pll_loopfilter1);
1067 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
1068 e->radio_syn_pll_loopfilter2);
1069 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
1070 e->radio_syn_pll_loopfilter3);
1071 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
1072 e->radio_syn_pll_loopfilter4);
1073 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
1074 e->radio_syn_pll_loopfilter5);
1075 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
1076 e->radio_syn_reserved_addr27);
1077 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
1078 e->radio_syn_reserved_addr28);
1079 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
1080 e->radio_syn_reserved_addr29);
1081 b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
1082 e->radio_syn_logen_vcobuf1);
1083 b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
1084 b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
1085 b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
1086
1087 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
1088 e->radio_rx0_lnaa_tune);
1089 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
1090 e->radio_rx0_lnag_tune);
1091
1092 b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
1093 e->radio_tx0_intpaa_boost_tune);
1094 b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
1095 e->radio_tx0_intpag_boost_tune);
1096 b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
1097 e->radio_tx0_pada_boost_tune);
1098 b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
1099 e->radio_tx0_padg_boost_tune);
1100 b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
1101 e->radio_tx0_pgaa_boost_tune);
1102 b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
1103 e->radio_tx0_pgag_boost_tune);
1104 b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
1105 e->radio_tx0_mixa_boost_tune);
1106 b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
1107 e->radio_tx0_mixg_boost_tune);
1108
1109 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
1110 e->radio_rx1_lnaa_tune);
1111 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
1112 e->radio_rx1_lnag_tune);
1113
1114 b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
1115 e->radio_tx1_intpaa_boost_tune);
1116 b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
1117 e->radio_tx1_intpag_boost_tune);
1118 b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
1119 e->radio_tx1_pada_boost_tune);
1120 b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
1121 e->radio_tx1_padg_boost_tune);
1122 b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
1123 e->radio_tx1_pgaa_boost_tune);
1124 b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
1125 e->radio_tx1_pgag_boost_tune);
1126 b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
1127 e->radio_tx1_mixa_boost_tune);
1128 b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
1129 e->radio_tx1_mixg_boost_tune);
1130 }
1131
1132 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
b43_radio_2056_setup(struct b43_wldev * dev,const struct b43_nphy_channeltab_entry_rev3 * e)1133 static void b43_radio_2056_setup(struct b43_wldev *dev,
1134 const struct b43_nphy_channeltab_entry_rev3 *e)
1135 {
1136 struct b43_phy *phy = &dev->phy;
1137 struct ssb_sprom *sprom = dev->dev->bus_sprom;
1138 enum nl80211_band band = b43_current_band(dev->wl);
1139 u16 offset;
1140 u8 i;
1141 u16 bias, cbias;
1142 u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
1143 u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
1144 bool is_pkg_fab_smic;
1145
1146 B43_WARN_ON(dev->phy.rev < 3);
1147
1148 is_pkg_fab_smic =
1149 ((dev->dev->chip_id == BCMA_CHIP_ID_BCM43224 ||
1150 dev->dev->chip_id == BCMA_CHIP_ID_BCM43225 ||
1151 dev->dev->chip_id == BCMA_CHIP_ID_BCM43421) &&
1152 dev->dev->chip_pkg == BCMA_PKG_ID_BCM43224_FAB_SMIC);
1153
1154 b43_chantab_radio_2056_upload(dev, e);
1155 b2056_upload_syn_pll_cp2(dev, band == NL80211_BAND_5GHZ);
1156
1157 if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
1158 b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
1159 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
1160 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
1161 if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 ||
1162 dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) {
1163 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
1164 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
1165 } else {
1166 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
1167 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
1168 }
1169 }
1170 if (sprom->boardflags2_hi & B43_BFH2_GPLL_WAR2 &&
1171 b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
1172 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1f);
1173 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1f);
1174 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0b);
1175 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x20);
1176 }
1177 if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
1178 b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
1179 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
1180 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
1181 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
1182 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
1183 }
1184
1185 if (dev->phy.n->ipa2g_on && band == NL80211_BAND_2GHZ) {
1186 for (i = 0; i < 2; i++) {
1187 offset = i ? B2056_TX1 : B2056_TX0;
1188 if (dev->phy.rev >= 5) {
1189 b43_radio_write(dev,
1190 offset | B2056_TX_PADG_IDAC, 0xcc);
1191
1192 if (dev->dev->chip_id == BCMA_CHIP_ID_BCM4716 ||
1193 dev->dev->chip_id == BCMA_CHIP_ID_BCM47162) {
1194 bias = 0x40;
1195 cbias = 0x45;
1196 pag_boost = 0x5;
1197 pgag_boost = 0x33;
1198 mixg_boost = 0x55;
1199 } else {
1200 bias = 0x25;
1201 cbias = 0x20;
1202 if (is_pkg_fab_smic) {
1203 bias = 0x2a;
1204 cbias = 0x38;
1205 }
1206 pag_boost = 0x4;
1207 pgag_boost = 0x03;
1208 mixg_boost = 0x65;
1209 }
1210 padg_boost = 0x77;
1211
1212 b43_radio_write(dev,
1213 offset | B2056_TX_INTPAG_IMAIN_STAT,
1214 bias);
1215 b43_radio_write(dev,
1216 offset | B2056_TX_INTPAG_IAUX_STAT,
1217 bias);
1218 b43_radio_write(dev,
1219 offset | B2056_TX_INTPAG_CASCBIAS,
1220 cbias);
1221 b43_radio_write(dev,
1222 offset | B2056_TX_INTPAG_BOOST_TUNE,
1223 pag_boost);
1224 b43_radio_write(dev,
1225 offset | B2056_TX_PGAG_BOOST_TUNE,
1226 pgag_boost);
1227 b43_radio_write(dev,
1228 offset | B2056_TX_PADG_BOOST_TUNE,
1229 padg_boost);
1230 b43_radio_write(dev,
1231 offset | B2056_TX_MIXG_BOOST_TUNE,
1232 mixg_boost);
1233 } else {
1234 bias = b43_is_40mhz(dev) ? 0x40 : 0x20;
1235 b43_radio_write(dev,
1236 offset | B2056_TX_INTPAG_IMAIN_STAT,
1237 bias);
1238 b43_radio_write(dev,
1239 offset | B2056_TX_INTPAG_IAUX_STAT,
1240 bias);
1241 b43_radio_write(dev,
1242 offset | B2056_TX_INTPAG_CASCBIAS,
1243 0x30);
1244 }
1245 b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
1246 }
1247 } else if (dev->phy.n->ipa5g_on && band == NL80211_BAND_5GHZ) {
1248 u16 freq = phy->chandef->chan->center_freq;
1249 if (freq < 5100) {
1250 paa_boost = 0xA;
1251 pada_boost = 0x77;
1252 pgaa_boost = 0xF;
1253 mixa_boost = 0xF;
1254 } else if (freq < 5340) {
1255 paa_boost = 0x8;
1256 pada_boost = 0x77;
1257 pgaa_boost = 0xFB;
1258 mixa_boost = 0xF;
1259 } else if (freq < 5650) {
1260 paa_boost = 0x0;
1261 pada_boost = 0x77;
1262 pgaa_boost = 0xB;
1263 mixa_boost = 0xF;
1264 } else {
1265 paa_boost = 0x0;
1266 pada_boost = 0x77;
1267 if (freq != 5825)
1268 pgaa_boost = -(freq - 18) / 36 + 168;
1269 else
1270 pgaa_boost = 6;
1271 mixa_boost = 0xF;
1272 }
1273
1274 cbias = is_pkg_fab_smic ? 0x35 : 0x30;
1275
1276 for (i = 0; i < 2; i++) {
1277 offset = i ? B2056_TX1 : B2056_TX0;
1278
1279 b43_radio_write(dev,
1280 offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
1281 b43_radio_write(dev,
1282 offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
1283 b43_radio_write(dev,
1284 offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
1285 b43_radio_write(dev,
1286 offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
1287 b43_radio_write(dev,
1288 offset | B2056_TX_TXSPARE1, 0x30);
1289 b43_radio_write(dev,
1290 offset | B2056_TX_PA_SPARE2, 0xee);
1291 b43_radio_write(dev,
1292 offset | B2056_TX_PADA_CASCBIAS, 0x03);
1293 b43_radio_write(dev,
1294 offset | B2056_TX_INTPAA_IAUX_STAT, 0x30);
1295 b43_radio_write(dev,
1296 offset | B2056_TX_INTPAA_IMAIN_STAT, 0x30);
1297 b43_radio_write(dev,
1298 offset | B2056_TX_INTPAA_CASCBIAS, cbias);
1299 }
1300 }
1301
1302 udelay(50);
1303 /* VCO calibration */
1304 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
1305 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
1306 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
1307 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
1308 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
1309 udelay(300);
1310 }
1311
b43_radio_2056_rcal(struct b43_wldev * dev)1312 static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
1313 {
1314 struct b43_phy *phy = &dev->phy;
1315 u16 mast2, tmp;
1316
1317 if (phy->rev != 3)
1318 return 0;
1319
1320 mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
1321 b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
1322
1323 udelay(10);
1324 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
1325 udelay(10);
1326 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
1327
1328 if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
1329 1000000)) {
1330 b43err(dev->wl, "Radio recalibration timeout\n");
1331 return 0;
1332 }
1333
1334 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
1335 tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
1336 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
1337
1338 b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
1339
1340 return tmp & 0x1f;
1341 }
1342
b43_radio_init2056_pre(struct b43_wldev * dev)1343 static void b43_radio_init2056_pre(struct b43_wldev *dev)
1344 {
1345 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1346 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
1347 /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
1348 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1349 B43_NPHY_RFCTL_CMD_OEPORFORCE);
1350 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1351 ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
1352 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1353 B43_NPHY_RFCTL_CMD_CHIP0PU);
1354 }
1355
b43_radio_init2056_post(struct b43_wldev * dev)1356 static void b43_radio_init2056_post(struct b43_wldev *dev)
1357 {
1358 b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
1359 b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
1360 b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
1361 msleep(1);
1362 b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
1363 b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
1364 b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
1365 if (dev->phy.do_full_init)
1366 b43_radio_2056_rcal(dev);
1367 }
1368
1369 /*
1370 * Initialize a Broadcom 2056 N-radio
1371 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
1372 */
b43_radio_init2056(struct b43_wldev * dev)1373 static void b43_radio_init2056(struct b43_wldev *dev)
1374 {
1375 b43_radio_init2056_pre(dev);
1376 b2056_upload_inittabs(dev, 0, 0);
1377 b43_radio_init2056_post(dev);
1378 }
1379
1380 /**************************************************
1381 * Radio 0x2055
1382 **************************************************/
1383
b43_chantab_radio_upload(struct b43_wldev * dev,const struct b43_nphy_channeltab_entry_rev2 * e)1384 static void b43_chantab_radio_upload(struct b43_wldev *dev,
1385 const struct b43_nphy_channeltab_entry_rev2 *e)
1386 {
1387 b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
1388 b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
1389 b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
1390 b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
1391 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1392
1393 b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
1394 b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
1395 b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
1396 b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
1397 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1398
1399 b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
1400 b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
1401 b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
1402 b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
1403 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1404
1405 b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
1406 b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
1407 b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
1408 b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
1409 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1410
1411 b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
1412 b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
1413 b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
1414 b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
1415 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1416
1417 b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
1418 b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
1419 }
1420
1421 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
b43_radio_2055_setup(struct b43_wldev * dev,const struct b43_nphy_channeltab_entry_rev2 * e)1422 static void b43_radio_2055_setup(struct b43_wldev *dev,
1423 const struct b43_nphy_channeltab_entry_rev2 *e)
1424 {
1425 B43_WARN_ON(dev->phy.rev >= 3);
1426
1427 b43_chantab_radio_upload(dev, e);
1428 udelay(50);
1429 b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
1430 b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
1431 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1432 b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
1433 udelay(300);
1434 }
1435
b43_radio_init2055_pre(struct b43_wldev * dev)1436 static void b43_radio_init2055_pre(struct b43_wldev *dev)
1437 {
1438 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1439 ~B43_NPHY_RFCTL_CMD_PORFORCE);
1440 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1441 B43_NPHY_RFCTL_CMD_CHIP0PU |
1442 B43_NPHY_RFCTL_CMD_OEPORFORCE);
1443 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1444 B43_NPHY_RFCTL_CMD_PORFORCE);
1445 }
1446
b43_radio_init2055_post(struct b43_wldev * dev)1447 static void b43_radio_init2055_post(struct b43_wldev *dev)
1448 {
1449 struct b43_phy_n *nphy = dev->phy.n;
1450 struct ssb_sprom *sprom = dev->dev->bus_sprom;
1451 bool workaround = false;
1452
1453 if (sprom->revision < 4)
1454 workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
1455 && dev->dev->board_type == SSB_BOARD_CB2_4321
1456 && dev->dev->board_rev >= 0x41);
1457 else
1458 workaround =
1459 !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
1460
1461 b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
1462 if (workaround) {
1463 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
1464 b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
1465 }
1466 b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
1467 b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
1468 b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
1469 b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
1470 b43_radio_set(dev, B2055_CAL_MISC, 0x1);
1471 msleep(1);
1472 b43_radio_set(dev, B2055_CAL_MISC, 0x40);
1473 if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
1474 b43err(dev->wl, "radio post init timeout\n");
1475 b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
1476 b43_switch_channel(dev, dev->phy.channel);
1477 b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
1478 b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
1479 b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
1480 b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
1481 b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
1482 b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
1483 if (!nphy->gain_boost) {
1484 b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
1485 b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
1486 } else {
1487 b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
1488 b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
1489 }
1490 udelay(2);
1491 }
1492
1493 /*
1494 * Initialize a Broadcom 2055 N-radio
1495 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
1496 */
b43_radio_init2055(struct b43_wldev * dev)1497 static void b43_radio_init2055(struct b43_wldev *dev)
1498 {
1499 b43_radio_init2055_pre(dev);
1500 if (b43_status(dev) < B43_STAT_INITIALIZED) {
1501 /* Follow wl, not specs. Do not force uploading all regs */
1502 b2055_upload_inittab(dev, 0, 0);
1503 } else {
1504 bool ghz5 = b43_current_band(dev->wl) == NL80211_BAND_5GHZ;
1505 b2055_upload_inittab(dev, ghz5, 0);
1506 }
1507 b43_radio_init2055_post(dev);
1508 }
1509
1510 /**************************************************
1511 * Samples
1512 **************************************************/
1513
1514 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
b43_nphy_load_samples(struct b43_wldev * dev,struct b43_c32 * samples,u16 len)1515 static int b43_nphy_load_samples(struct b43_wldev *dev,
1516 struct b43_c32 *samples, u16 len) {
1517 struct b43_phy_n *nphy = dev->phy.n;
1518 u16 i;
1519 u32 *data;
1520
1521 data = kcalloc(len, sizeof(u32), GFP_KERNEL);
1522 if (!data) {
1523 b43err(dev->wl, "allocation for samples loading failed\n");
1524 return -ENOMEM;
1525 }
1526 if (nphy->hang_avoid)
1527 b43_nphy_stay_in_carrier_search(dev, 1);
1528
1529 for (i = 0; i < len; i++) {
1530 data[i] = (samples[i].i & 0x3FF << 10);
1531 data[i] |= samples[i].q & 0x3FF;
1532 }
1533 b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
1534
1535 kfree(data);
1536 if (nphy->hang_avoid)
1537 b43_nphy_stay_in_carrier_search(dev, 0);
1538 return 0;
1539 }
1540
1541 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
b43_nphy_gen_load_samples(struct b43_wldev * dev,u32 freq,u16 max,bool test)1542 static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
1543 bool test)
1544 {
1545 int i;
1546 u16 bw, len, rot, angle;
1547 struct b43_c32 *samples;
1548
1549 bw = b43_is_40mhz(dev) ? 40 : 20;
1550 len = bw << 3;
1551
1552 if (test) {
1553 if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
1554 bw = 82;
1555 else
1556 bw = 80;
1557
1558 if (b43_is_40mhz(dev))
1559 bw <<= 1;
1560
1561 len = bw << 1;
1562 }
1563
1564 samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
1565 if (!samples) {
1566 b43err(dev->wl, "allocation for samples generation failed\n");
1567 return 0;
1568 }
1569 rot = (((freq * 36) / bw) << 16) / 100;
1570 angle = 0;
1571
1572 for (i = 0; i < len; i++) {
1573 samples[i] = b43_cordic(angle);
1574 angle += rot;
1575 samples[i].q = CORDIC_CONVERT(samples[i].q * max);
1576 samples[i].i = CORDIC_CONVERT(samples[i].i * max);
1577 }
1578
1579 i = b43_nphy_load_samples(dev, samples, len);
1580 kfree(samples);
1581 return (i < 0) ? 0 : len;
1582 }
1583
1584 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
b43_nphy_run_samples(struct b43_wldev * dev,u16 samps,u16 loops,u16 wait,bool iqmode,bool dac_test,bool modify_bbmult)1585 static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
1586 u16 wait, bool iqmode, bool dac_test,
1587 bool modify_bbmult)
1588 {
1589 struct b43_phy *phy = &dev->phy;
1590 struct b43_phy_n *nphy = dev->phy.n;
1591 int i;
1592 u16 seq_mode;
1593 u32 tmp;
1594
1595 b43_nphy_stay_in_carrier_search(dev, true);
1596
1597 if (phy->rev >= 7) {
1598 bool lpf_bw3, lpf_bw4;
1599
1600 lpf_bw3 = b43_phy_read(dev, B43_NPHY_REV7_RF_CTL_OVER3) & 0x80;
1601 lpf_bw4 = b43_phy_read(dev, B43_NPHY_REV7_RF_CTL_OVER4) & 0x80;
1602
1603 if (lpf_bw3 || lpf_bw4) {
1604 /* TODO */
1605 } else {
1606 u16 value = b43_nphy_read_lpf_ctl(dev, 0);
1607 if (phy->rev >= 19)
1608 b43_nphy_rf_ctl_override_rev19(dev, 0x80, value,
1609 0, false, 1);
1610 else
1611 b43_nphy_rf_ctl_override_rev7(dev, 0x80, value,
1612 0, false, 1);
1613 nphy->lpf_bw_overrode_for_sample_play = true;
1614 }
1615 }
1616
1617 if ((nphy->bb_mult_save & 0x80000000) == 0) {
1618 tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
1619 nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
1620 }
1621
1622 if (modify_bbmult) {
1623 tmp = !b43_is_40mhz(dev) ? 0x6464 : 0x4747;
1624 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1625 }
1626
1627 b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1628
1629 if (loops != 0xFFFF)
1630 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
1631 else
1632 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1633
1634 b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1635
1636 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1637
1638 b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
1639 if (iqmode) {
1640 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1641 b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
1642 } else {
1643 tmp = dac_test ? 5 : 1;
1644 b43_phy_write(dev, B43_NPHY_SAMP_CMD, tmp);
1645 }
1646 for (i = 0; i < 100; i++) {
1647 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
1648 i = 0;
1649 break;
1650 }
1651 udelay(10);
1652 }
1653 if (i)
1654 b43err(dev->wl, "run samples timeout\n");
1655
1656 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1657
1658 b43_nphy_stay_in_carrier_search(dev, false);
1659 }
1660
1661 /**************************************************
1662 * RSSI
1663 **************************************************/
1664
1665 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
b43_nphy_scale_offset_rssi(struct b43_wldev * dev,u16 scale,s8 offset,u8 core,enum n_rail_type rail,enum n_rssi_type rssi_type)1666 static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
1667 s8 offset, u8 core,
1668 enum n_rail_type rail,
1669 enum n_rssi_type rssi_type)
1670 {
1671 u16 tmp;
1672 bool core1or5 = (core == 1) || (core == 5);
1673 bool core2or5 = (core == 2) || (core == 5);
1674
1675 offset = clamp_val(offset, -32, 31);
1676 tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
1677
1678 switch (rssi_type) {
1679 case N_RSSI_NB:
1680 if (core1or5 && rail == N_RAIL_I)
1681 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
1682 if (core1or5 && rail == N_RAIL_Q)
1683 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
1684 if (core2or5 && rail == N_RAIL_I)
1685 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
1686 if (core2or5 && rail == N_RAIL_Q)
1687 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
1688 break;
1689 case N_RSSI_W1:
1690 if (core1or5 && rail == N_RAIL_I)
1691 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
1692 if (core1or5 && rail == N_RAIL_Q)
1693 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
1694 if (core2or5 && rail == N_RAIL_I)
1695 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
1696 if (core2or5 && rail == N_RAIL_Q)
1697 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
1698 break;
1699 case N_RSSI_W2:
1700 if (core1or5 && rail == N_RAIL_I)
1701 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
1702 if (core1or5 && rail == N_RAIL_Q)
1703 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
1704 if (core2or5 && rail == N_RAIL_I)
1705 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
1706 if (core2or5 && rail == N_RAIL_Q)
1707 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
1708 break;
1709 case N_RSSI_TBD:
1710 if (core1or5 && rail == N_RAIL_I)
1711 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
1712 if (core1or5 && rail == N_RAIL_Q)
1713 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
1714 if (core2or5 && rail == N_RAIL_I)
1715 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
1716 if (core2or5 && rail == N_RAIL_Q)
1717 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
1718 break;
1719 case N_RSSI_IQ:
1720 if (core1or5 && rail == N_RAIL_I)
1721 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
1722 if (core1or5 && rail == N_RAIL_Q)
1723 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
1724 if (core2or5 && rail == N_RAIL_I)
1725 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
1726 if (core2or5 && rail == N_RAIL_Q)
1727 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
1728 break;
1729 case N_RSSI_TSSI_2G:
1730 if (core1or5)
1731 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
1732 if (core2or5)
1733 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
1734 break;
1735 case N_RSSI_TSSI_5G:
1736 if (core1or5)
1737 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
1738 if (core2or5)
1739 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1740 break;
1741 }
1742 }
1743
b43_nphy_rssi_select_rev19(struct b43_wldev * dev,u8 code,enum n_rssi_type rssi_type)1744 static void b43_nphy_rssi_select_rev19(struct b43_wldev *dev, u8 code,
1745 enum n_rssi_type rssi_type)
1746 {
1747 /* TODO */
1748 }
1749
b43_nphy_rev3_rssi_select(struct b43_wldev * dev,u8 code,enum n_rssi_type rssi_type)1750 static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code,
1751 enum n_rssi_type rssi_type)
1752 {
1753 u8 i;
1754 u16 reg, val;
1755
1756 if (code == 0) {
1757 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
1758 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
1759 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
1760 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
1761 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
1762 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
1763 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
1764 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
1765 } else {
1766 for (i = 0; i < 2; i++) {
1767 if ((code == 1 && i == 1) || (code == 2 && !i))
1768 continue;
1769
1770 reg = (i == 0) ?
1771 B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
1772 b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1773
1774 if (rssi_type == N_RSSI_W1 ||
1775 rssi_type == N_RSSI_W2 ||
1776 rssi_type == N_RSSI_NB) {
1777 reg = (i == 0) ?
1778 B43_NPHY_AFECTL_C1 :
1779 B43_NPHY_AFECTL_C2;
1780 b43_phy_maskset(dev, reg, 0xFCFF, 0);
1781
1782 reg = (i == 0) ?
1783 B43_NPHY_RFCTL_LUT_TRSW_UP1 :
1784 B43_NPHY_RFCTL_LUT_TRSW_UP2;
1785 b43_phy_maskset(dev, reg, 0xFFC3, 0);
1786
1787 if (rssi_type == N_RSSI_W1)
1788 val = (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ? 4 : 8;
1789 else if (rssi_type == N_RSSI_W2)
1790 val = 16;
1791 else
1792 val = 32;
1793 b43_phy_set(dev, reg, val);
1794
1795 reg = (i == 0) ?
1796 B43_NPHY_TXF_40CO_B1S0 :
1797 B43_NPHY_TXF_40CO_B32S1;
1798 b43_phy_set(dev, reg, 0x0020);
1799 } else {
1800 if (rssi_type == N_RSSI_TBD)
1801 val = 0x0100;
1802 else if (rssi_type == N_RSSI_IQ)
1803 val = 0x0200;
1804 else
1805 val = 0x0300;
1806
1807 reg = (i == 0) ?
1808 B43_NPHY_AFECTL_C1 :
1809 B43_NPHY_AFECTL_C2;
1810
1811 b43_phy_maskset(dev, reg, 0xFCFF, val);
1812 b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1813
1814 if (rssi_type != N_RSSI_IQ &&
1815 rssi_type != N_RSSI_TBD) {
1816 enum nl80211_band band =
1817 b43_current_band(dev->wl);
1818
1819 if (dev->phy.rev < 7) {
1820 if (b43_nphy_ipa(dev))
1821 val = (band == NL80211_BAND_5GHZ) ? 0xC : 0xE;
1822 else
1823 val = 0x11;
1824 reg = (i == 0) ? B2056_TX0 : B2056_TX1;
1825 reg |= B2056_TX_TX_SSI_MUX;
1826 b43_radio_write(dev, reg, val);
1827 }
1828
1829 reg = (i == 0) ?
1830 B43_NPHY_AFECTL_OVER1 :
1831 B43_NPHY_AFECTL_OVER;
1832 b43_phy_set(dev, reg, 0x0200);
1833 }
1834 }
1835 }
1836 }
1837 }
1838
b43_nphy_rev2_rssi_select(struct b43_wldev * dev,u8 code,enum n_rssi_type rssi_type)1839 static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code,
1840 enum n_rssi_type rssi_type)
1841 {
1842 u16 val;
1843 bool rssi_w1_w2_nb = false;
1844
1845 switch (rssi_type) {
1846 case N_RSSI_W1:
1847 case N_RSSI_W2:
1848 case N_RSSI_NB:
1849 val = 0;
1850 rssi_w1_w2_nb = true;
1851 break;
1852 case N_RSSI_TBD:
1853 val = 1;
1854 break;
1855 case N_RSSI_IQ:
1856 val = 2;
1857 break;
1858 default:
1859 val = 3;
1860 }
1861
1862 val = (val << 12) | (val << 14);
1863 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
1864 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
1865
1866 if (rssi_w1_w2_nb) {
1867 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1868 (rssi_type + 1) << 4);
1869 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1870 (rssi_type + 1) << 4);
1871 }
1872
1873 if (code == 0) {
1874 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
1875 if (rssi_w1_w2_nb) {
1876 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1877 ~(B43_NPHY_RFCTL_CMD_RXEN |
1878 B43_NPHY_RFCTL_CMD_CORESEL));
1879 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1880 ~(0x1 << 12 |
1881 0x1 << 5 |
1882 0x1 << 1 |
1883 0x1));
1884 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1885 ~B43_NPHY_RFCTL_CMD_START);
1886 udelay(20);
1887 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1888 }
1889 } else {
1890 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
1891 if (rssi_w1_w2_nb) {
1892 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
1893 ~(B43_NPHY_RFCTL_CMD_RXEN |
1894 B43_NPHY_RFCTL_CMD_CORESEL),
1895 (B43_NPHY_RFCTL_CMD_RXEN |
1896 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
1897 b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
1898 (0x1 << 12 |
1899 0x1 << 5 |
1900 0x1 << 1 |
1901 0x1));
1902 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1903 B43_NPHY_RFCTL_CMD_START);
1904 udelay(20);
1905 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1906 }
1907 }
1908 }
1909
1910 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
b43_nphy_rssi_select(struct b43_wldev * dev,u8 code,enum n_rssi_type type)1911 static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code,
1912 enum n_rssi_type type)
1913 {
1914 if (dev->phy.rev >= 19)
1915 b43_nphy_rssi_select_rev19(dev, code, type);
1916 else if (dev->phy.rev >= 3)
1917 b43_nphy_rev3_rssi_select(dev, code, type);
1918 else
1919 b43_nphy_rev2_rssi_select(dev, code, type);
1920 }
1921
1922 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
b43_nphy_set_rssi_2055_vcm(struct b43_wldev * dev,enum n_rssi_type rssi_type,u8 * buf)1923 static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev,
1924 enum n_rssi_type rssi_type, u8 *buf)
1925 {
1926 int i;
1927 for (i = 0; i < 2; i++) {
1928 if (rssi_type == N_RSSI_NB) {
1929 if (i == 0) {
1930 b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
1931 0xFC, buf[0]);
1932 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1933 0xFC, buf[1]);
1934 } else {
1935 b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
1936 0xFC, buf[2 * i]);
1937 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1938 0xFC, buf[2 * i + 1]);
1939 }
1940 } else {
1941 if (i == 0)
1942 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1943 0xF3, buf[0] << 2);
1944 else
1945 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1946 0xF3, buf[2 * i + 1] << 2);
1947 }
1948 }
1949 }
1950
1951 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
b43_nphy_poll_rssi(struct b43_wldev * dev,enum n_rssi_type rssi_type,s32 * buf,u8 nsamp)1952 static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type,
1953 s32 *buf, u8 nsamp)
1954 {
1955 int i;
1956 int out;
1957 u16 save_regs_phy[9];
1958 u16 s[2];
1959
1960 /* TODO: rev7+ is treated like rev3+, what about rev19+? */
1961
1962 if (dev->phy.rev >= 3) {
1963 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1964 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1965 save_regs_phy[2] = b43_phy_read(dev,
1966 B43_NPHY_RFCTL_LUT_TRSW_UP1);
1967 save_regs_phy[3] = b43_phy_read(dev,
1968 B43_NPHY_RFCTL_LUT_TRSW_UP2);
1969 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
1970 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1971 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
1972 save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
1973 save_regs_phy[8] = 0;
1974 } else {
1975 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1976 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1977 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1978 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
1979 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
1980 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
1981 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
1982 save_regs_phy[7] = 0;
1983 save_regs_phy[8] = 0;
1984 }
1985
1986 b43_nphy_rssi_select(dev, 5, rssi_type);
1987
1988 if (dev->phy.rev < 2) {
1989 save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
1990 b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
1991 }
1992
1993 for (i = 0; i < 4; i++)
1994 buf[i] = 0;
1995
1996 for (i = 0; i < nsamp; i++) {
1997 if (dev->phy.rev < 2) {
1998 s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
1999 s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
2000 } else {
2001 s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
2002 s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
2003 }
2004
2005 buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
2006 buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
2007 buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
2008 buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
2009 }
2010 out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
2011 (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
2012
2013 if (dev->phy.rev < 2)
2014 b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
2015
2016 if (dev->phy.rev >= 3) {
2017 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
2018 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
2019 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
2020 save_regs_phy[2]);
2021 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
2022 save_regs_phy[3]);
2023 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
2024 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
2025 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
2026 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
2027 } else {
2028 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
2029 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
2030 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
2031 b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
2032 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
2033 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
2034 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
2035 }
2036
2037 return out;
2038 }
2039
2040 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
b43_nphy_rev3_rssi_cal(struct b43_wldev * dev)2041 static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
2042 {
2043 struct b43_phy *phy = &dev->phy;
2044 struct b43_phy_n *nphy = dev->phy.n;
2045
2046 u16 saved_regs_phy_rfctl[2];
2047 u16 saved_regs_phy[22];
2048 u16 regs_to_store_rev3[] = {
2049 B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
2050 B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
2051 B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
2052 B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
2053 B43_NPHY_RFCTL_CMD,
2054 B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
2055 B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
2056 };
2057 u16 regs_to_store_rev7[] = {
2058 B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
2059 B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
2060 B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
2061 B43_NPHY_REV7_RF_CTL_OVER3, B43_NPHY_REV7_RF_CTL_OVER4,
2062 B43_NPHY_REV7_RF_CTL_OVER5, B43_NPHY_REV7_RF_CTL_OVER6,
2063 0x2ff,
2064 B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
2065 B43_NPHY_RFCTL_CMD,
2066 B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
2067 B43_NPHY_REV7_RF_CTL_MISC_REG3, B43_NPHY_REV7_RF_CTL_MISC_REG4,
2068 B43_NPHY_REV7_RF_CTL_MISC_REG5, B43_NPHY_REV7_RF_CTL_MISC_REG6,
2069 B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
2070 };
2071 u16 *regs_to_store;
2072 int regs_amount;
2073
2074 u16 class;
2075
2076 u16 clip_state[2];
2077 u16 clip_off[2] = { 0xFFFF, 0xFFFF };
2078
2079 u8 vcm_final = 0;
2080 s32 offset[4];
2081 s32 results[8][4] = { };
2082 s32 results_min[4] = { };
2083 s32 poll_results[4] = { };
2084
2085 u16 *rssical_radio_regs = NULL;
2086 u16 *rssical_phy_regs = NULL;
2087
2088 u16 r; /* routing */
2089 u8 rx_core_state;
2090 int core, i, j, vcm;
2091
2092 if (dev->phy.rev >= 7) {
2093 regs_to_store = regs_to_store_rev7;
2094 regs_amount = ARRAY_SIZE(regs_to_store_rev7);
2095 } else {
2096 regs_to_store = regs_to_store_rev3;
2097 regs_amount = ARRAY_SIZE(regs_to_store_rev3);
2098 }
2099 BUG_ON(regs_amount > ARRAY_SIZE(saved_regs_phy));
2100
2101 class = b43_nphy_classifier(dev, 0, 0);
2102 b43_nphy_classifier(dev, 7, 4);
2103 b43_nphy_read_clip_detection(dev, clip_state);
2104 b43_nphy_write_clip_detection(dev, clip_off);
2105
2106 saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2107 saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2108 for (i = 0; i < regs_amount; i++)
2109 saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
2110
2111 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7);
2112 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7);
2113
2114 if (dev->phy.rev >= 7) {
2115 b43_nphy_rf_ctl_override_one_to_many(dev,
2116 N_RF_CTL_OVER_CMD_RXRF_PU,
2117 0, 0, false);
2118 b43_nphy_rf_ctl_override_one_to_many(dev,
2119 N_RF_CTL_OVER_CMD_RX_PU,
2120 1, 0, false);
2121 b43_nphy_rf_ctl_override_rev7(dev, 0x80, 1, 0, false, 0);
2122 b43_nphy_rf_ctl_override_rev7(dev, 0x40, 1, 0, false, 0);
2123 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
2124 b43_nphy_rf_ctl_override_rev7(dev, 0x20, 0, 0, false,
2125 0);
2126 b43_nphy_rf_ctl_override_rev7(dev, 0x10, 1, 0, false,
2127 0);
2128 } else {
2129 b43_nphy_rf_ctl_override_rev7(dev, 0x10, 0, 0, false,
2130 0);
2131 b43_nphy_rf_ctl_override_rev7(dev, 0x20, 1, 0, false,
2132 0);
2133 }
2134 } else {
2135 b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false);
2136 b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false);
2137 b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false);
2138 b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false);
2139 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
2140 b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false);
2141 b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false);
2142 } else {
2143 b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false);
2144 b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false);
2145 }
2146 }
2147
2148 rx_core_state = b43_nphy_get_rx_core_state(dev);
2149 for (core = 0; core < 2; core++) {
2150 if (!(rx_core_state & (1 << core)))
2151 continue;
2152 r = core ? B2056_RX1 : B2056_RX0;
2153 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I,
2154 N_RSSI_NB);
2155 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q,
2156 N_RSSI_NB);
2157
2158 /* Grab RSSI results for every possible VCM */
2159 for (vcm = 0; vcm < 8; vcm++) {
2160 if (dev->phy.rev >= 7)
2161 b43_radio_maskset(dev,
2162 core ? R2057_NB_MASTER_CORE1 :
2163 R2057_NB_MASTER_CORE0,
2164 ~R2057_VCM_MASK, vcm);
2165 else
2166 b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
2167 0xE3, vcm << 2);
2168 b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
2169 }
2170
2171 /* Find out which VCM got the best results */
2172 for (i = 0; i < 4; i += 2) {
2173 s32 currd;
2174 s32 mind = 0x100000;
2175 s32 minpoll = 249;
2176 u8 minvcm = 0;
2177 if (2 * core != i)
2178 continue;
2179 for (vcm = 0; vcm < 8; vcm++) {
2180 currd = results[vcm][i] * results[vcm][i] +
2181 results[vcm][i + 1] * results[vcm][i];
2182 if (currd < mind) {
2183 mind = currd;
2184 minvcm = vcm;
2185 }
2186 if (results[vcm][i] < minpoll)
2187 minpoll = results[vcm][i];
2188 }
2189 vcm_final = minvcm;
2190 results_min[i] = minpoll;
2191 }
2192
2193 /* Select the best VCM */
2194 if (dev->phy.rev >= 7)
2195 b43_radio_maskset(dev,
2196 core ? R2057_NB_MASTER_CORE1 :
2197 R2057_NB_MASTER_CORE0,
2198 ~R2057_VCM_MASK, vcm);
2199 else
2200 b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC,
2201 0xE3, vcm_final << 2);
2202
2203 for (i = 0; i < 4; i++) {
2204 if (core != i / 2)
2205 continue;
2206 offset[i] = -results[vcm_final][i];
2207 if (offset[i] < 0)
2208 offset[i] = -((abs(offset[i]) + 4) / 8);
2209 else
2210 offset[i] = (offset[i] + 4) / 8;
2211 if (results_min[i] == 248)
2212 offset[i] = -32;
2213 b43_nphy_scale_offset_rssi(dev, 0, offset[i],
2214 (i / 2 == 0) ? 1 : 2,
2215 (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q,
2216 N_RSSI_NB);
2217 }
2218 }
2219
2220 for (core = 0; core < 2; core++) {
2221 if (!(rx_core_state & (1 << core)))
2222 continue;
2223 for (i = 0; i < 2; i++) {
2224 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
2225 N_RAIL_I, i);
2226 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
2227 N_RAIL_Q, i);
2228 b43_nphy_poll_rssi(dev, i, poll_results, 8);
2229 for (j = 0; j < 4; j++) {
2230 if (j / 2 == core) {
2231 offset[j] = 232 - poll_results[j];
2232 if (offset[j] < 0)
2233 offset[j] = -(abs(offset[j] + 4) / 8);
2234 else
2235 offset[j] = (offset[j] + 4) / 8;
2236 b43_nphy_scale_offset_rssi(dev, 0,
2237 offset[2 * core], core + 1, j % 2, i);
2238 }
2239 }
2240 }
2241 }
2242
2243 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
2244 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);
2245
2246 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
2247
2248 b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
2249 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
2250 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
2251
2252 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
2253 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
2254 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
2255
2256 for (i = 0; i < regs_amount; i++)
2257 b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
2258
2259 /* Store for future configuration */
2260 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
2261 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
2262 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
2263 } else {
2264 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
2265 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
2266 }
2267 if (dev->phy.rev >= 7) {
2268 rssical_radio_regs[0] = b43_radio_read(dev,
2269 R2057_NB_MASTER_CORE0);
2270 rssical_radio_regs[1] = b43_radio_read(dev,
2271 R2057_NB_MASTER_CORE1);
2272 } else {
2273 rssical_radio_regs[0] = b43_radio_read(dev, B2056_RX0 |
2274 B2056_RX_RSSI_MISC);
2275 rssical_radio_regs[1] = b43_radio_read(dev, B2056_RX1 |
2276 B2056_RX_RSSI_MISC);
2277 }
2278 rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
2279 rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
2280 rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
2281 rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
2282 rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
2283 rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
2284 rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
2285 rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
2286 rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
2287 rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
2288 rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
2289 rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);
2290
2291 /* Remember for which channel we store configuration */
2292 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
2293 nphy->rssical_chanspec_2G.center_freq = phy->chandef->chan->center_freq;
2294 else
2295 nphy->rssical_chanspec_5G.center_freq = phy->chandef->chan->center_freq;
2296
2297 /* End of calibration, restore configuration */
2298 b43_nphy_classifier(dev, 7, class);
2299 b43_nphy_write_clip_detection(dev, clip_state);
2300 }
2301
2302 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
b43_nphy_rev2_rssi_cal(struct b43_wldev * dev,enum n_rssi_type type)2303 static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type)
2304 {
2305 int i, j, vcm;
2306 u8 state[4];
2307 u8 code, val;
2308 u16 class, override;
2309 u8 regs_save_radio[2];
2310 u16 regs_save_phy[2];
2311
2312 s32 offset[4];
2313 u8 core;
2314 u8 rail;
2315
2316 u16 clip_state[2];
2317 u16 clip_off[2] = { 0xFFFF, 0xFFFF };
2318 s32 results_min[4] = { };
2319 u8 vcm_final[4] = { };
2320 s32 results[4][4] = { };
2321 s32 miniq[4][2] = { };
2322
2323 if (type == N_RSSI_NB) {
2324 code = 0;
2325 val = 6;
2326 } else if (type == N_RSSI_W1 || type == N_RSSI_W2) {
2327 code = 25;
2328 val = 4;
2329 } else {
2330 B43_WARN_ON(1);
2331 return;
2332 }
2333
2334 class = b43_nphy_classifier(dev, 0, 0);
2335 b43_nphy_classifier(dev, 7, 4);
2336 b43_nphy_read_clip_detection(dev, clip_state);
2337 b43_nphy_write_clip_detection(dev, clip_off);
2338
2339 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ)
2340 override = 0x140;
2341 else
2342 override = 0x110;
2343
2344 regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2345 regs_save_radio[0] = b43_radio_read(dev, B2055_C1_PD_RXTX);
2346 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
2347 b43_radio_write(dev, B2055_C1_PD_RXTX, val);
2348
2349 regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2350 regs_save_radio[1] = b43_radio_read(dev, B2055_C2_PD_RXTX);
2351 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
2352 b43_radio_write(dev, B2055_C2_PD_RXTX, val);
2353
2354 state[0] = b43_radio_read(dev, B2055_C1_PD_RSSIMISC) & 0x07;
2355 state[1] = b43_radio_read(dev, B2055_C2_PD_RSSIMISC) & 0x07;
2356 b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
2357 b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
2358 state[2] = b43_radio_read(dev, B2055_C1_SP_RSSI) & 0x07;
2359 state[3] = b43_radio_read(dev, B2055_C2_SP_RSSI) & 0x07;
2360
2361 b43_nphy_rssi_select(dev, 5, type);
2362 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type);
2363 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type);
2364
2365 for (vcm = 0; vcm < 4; vcm++) {
2366 u8 tmp[4];
2367 for (j = 0; j < 4; j++)
2368 tmp[j] = vcm;
2369 if (type != N_RSSI_W2)
2370 b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
2371 b43_nphy_poll_rssi(dev, type, results[vcm], 8);
2372 if (type == N_RSSI_W1 || type == N_RSSI_W2)
2373 for (j = 0; j < 2; j++)
2374 miniq[vcm][j] = min(results[vcm][2 * j],
2375 results[vcm][2 * j + 1]);
2376 }
2377
2378 for (i = 0; i < 4; i++) {
2379 s32 mind = 0x100000;
2380 u8 minvcm = 0;
2381 s32 minpoll = 249;
2382 s32 currd;
2383 for (vcm = 0; vcm < 4; vcm++) {
2384 if (type == N_RSSI_NB)
2385 currd = abs(results[vcm][i] - code * 8);
2386 else
2387 currd = abs(miniq[vcm][i / 2] - code * 8);
2388
2389 if (currd < mind) {
2390 mind = currd;
2391 minvcm = vcm;
2392 }
2393
2394 if (results[vcm][i] < minpoll)
2395 minpoll = results[vcm][i];
2396 }
2397 results_min[i] = minpoll;
2398 vcm_final[i] = minvcm;
2399 }
2400
2401 if (type != N_RSSI_W2)
2402 b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
2403
2404 for (i = 0; i < 4; i++) {
2405 offset[i] = (code * 8) - results[vcm_final[i]][i];
2406
2407 if (offset[i] < 0)
2408 offset[i] = -((abs(offset[i]) + 4) / 8);
2409 else
2410 offset[i] = (offset[i] + 4) / 8;
2411
2412 if (results_min[i] == 248)
2413 offset[i] = code - 32;
2414
2415 core = (i / 2) ? 2 : 1;
2416 rail = (i % 2) ? N_RAIL_Q : N_RAIL_I;
2417
2418 b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
2419 type);
2420 }
2421
2422 b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
2423 b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
2424
2425 switch (state[2]) {
2426 case 1:
2427 b43_nphy_rssi_select(dev, 1, N_RSSI_NB);
2428 break;
2429 case 4:
2430 b43_nphy_rssi_select(dev, 1, N_RSSI_W1);
2431 break;
2432 case 2:
2433 b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
2434 break;
2435 default:
2436 b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
2437 break;
2438 }
2439
2440 switch (state[3]) {
2441 case 1:
2442 b43_nphy_rssi_select(dev, 2, N_RSSI_NB);
2443 break;
2444 case 4:
2445 b43_nphy_rssi_select(dev, 2, N_RSSI_W1);
2446 break;
2447 default:
2448 b43_nphy_rssi_select(dev, 2, N_RSSI_W2);
2449 break;
2450 }
2451
2452 b43_nphy_rssi_select(dev, 0, type);
2453
2454 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
2455 b43_radio_write(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
2456 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
2457 b43_radio_write(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
2458
2459 b43_nphy_classifier(dev, 7, class);
2460 b43_nphy_write_clip_detection(dev, clip_state);
2461 /* Specs don't say about reset here, but it makes wl and b43 dumps
2462 identical, it really seems wl performs this */
2463 b43_nphy_reset_cca(dev);
2464 }
2465
2466 /*
2467 * RSSI Calibration
2468 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
2469 */
b43_nphy_rssi_cal(struct b43_wldev * dev)2470 static void b43_nphy_rssi_cal(struct b43_wldev *dev)
2471 {
2472 if (dev->phy.rev >= 19) {
2473 /* TODO */
2474 } else if (dev->phy.rev >= 3) {
2475 b43_nphy_rev3_rssi_cal(dev);
2476 } else {
2477 b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB);
2478 b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1);
2479 b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2);
2480 }
2481 }
2482
2483 /**************************************************
2484 * Workarounds
2485 **************************************************/
2486
b43_nphy_gain_ctl_workarounds_rev19(struct b43_wldev * dev)2487 static void b43_nphy_gain_ctl_workarounds_rev19(struct b43_wldev *dev)
2488 {
2489 /* TODO */
2490 }
2491
b43_nphy_gain_ctl_workarounds_rev7(struct b43_wldev * dev)2492 static void b43_nphy_gain_ctl_workarounds_rev7(struct b43_wldev *dev)
2493 {
2494 struct b43_phy *phy = &dev->phy;
2495
2496 switch (phy->rev) {
2497 /* TODO */
2498 }
2499 }
2500
b43_nphy_gain_ctl_workarounds_rev3(struct b43_wldev * dev)2501 static void b43_nphy_gain_ctl_workarounds_rev3(struct b43_wldev *dev)
2502 {
2503 struct ssb_sprom *sprom = dev->dev->bus_sprom;
2504
2505 bool ghz5;
2506 bool ext_lna;
2507 u16 rssi_gain;
2508 struct nphy_gain_ctl_workaround_entry *e;
2509 u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
2510 u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
2511
2512 /* Prepare values */
2513 ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
2514 & B43_NPHY_BANDCTL_5GHZ;
2515 ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
2516 sprom->boardflags_lo & B43_BFL_EXTLNA;
2517 e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
2518 if (ghz5 && dev->phy.rev >= 5)
2519 rssi_gain = 0x90;
2520 else
2521 rssi_gain = 0x50;
2522
2523 b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
2524
2525 /* Set Clip 2 detect */
2526 b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
2527 b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
2528
2529 b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
2530 0x17);
2531 b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
2532 0x17);
2533 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
2534 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
2535 b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
2536 b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
2537 b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
2538 rssi_gain);
2539 b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
2540 rssi_gain);
2541 b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
2542 0x17);
2543 b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
2544 0x17);
2545 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
2546 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
2547
2548 b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
2549 b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
2550 b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
2551 b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
2552 b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
2553 b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
2554 b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
2555 b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
2556 b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
2557 b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
2558 b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
2559 b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
2560
2561 b43_phy_write(dev, B43_NPHY_REV3_C1_INITGAIN_A, e->init_gain);
2562 b43_phy_write(dev, B43_NPHY_REV3_C2_INITGAIN_A, e->init_gain);
2563
2564 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
2565 e->rfseq_init);
2566
2567 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_HIGAIN_A, e->cliphi_gain);
2568 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_HIGAIN_A, e->cliphi_gain);
2569 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_MEDGAIN_A, e->clipmd_gain);
2570 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_MEDGAIN_A, e->clipmd_gain);
2571 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_A, e->cliplo_gain);
2572 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_A, e->cliplo_gain);
2573
2574 b43_phy_maskset(dev, B43_NPHY_CRSMINPOWER0, 0xFF00, e->crsmin);
2575 b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERL0, 0xFF00, e->crsminl);
2576 b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERU0, 0xFF00, e->crsminu);
2577 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
2578 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
2579 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
2580 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
2581 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
2582 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
2583 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2584 }
2585
b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev * dev)2586 static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
2587 {
2588 struct b43_phy_n *nphy = dev->phy.n;
2589
2590 u8 i, j;
2591 u8 code;
2592 u16 tmp;
2593 u8 rfseq_events[3] = { 6, 8, 7 };
2594 u8 rfseq_delays[3] = { 10, 30, 1 };
2595
2596 /* Set Clip 2 detect */
2597 b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
2598 b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
2599
2600 /* Set narrowband clip threshold */
2601 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
2602 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
2603
2604 if (!b43_is_40mhz(dev)) {
2605 /* Set dwell lengths */
2606 b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
2607 b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
2608 b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
2609 b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
2610 }
2611
2612 /* Set wideband clip 2 threshold */
2613 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
2614 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
2615 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
2616 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
2617
2618 if (!b43_is_40mhz(dev)) {
2619 b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
2620 ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
2621 b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
2622 ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
2623 b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
2624 ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
2625 b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
2626 ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
2627 }
2628
2629 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2630
2631 if (nphy->gain_boost) {
2632 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ &&
2633 b43_is_40mhz(dev))
2634 code = 4;
2635 else
2636 code = 5;
2637 } else {
2638 code = b43_is_40mhz(dev) ? 6 : 7;
2639 }
2640
2641 /* Set HPVGA2 index */
2642 b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
2643 code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
2644 b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
2645 code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
2646
2647 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2648 /* specs say about 2 loops, but wl does 4 */
2649 for (i = 0; i < 4; i++)
2650 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
2651
2652 b43_nphy_adjust_lna_gain_table(dev);
2653
2654 if (nphy->elna_gain_config) {
2655 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
2656 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
2657 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2658 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2659 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2660
2661 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
2662 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
2663 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2664 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2665 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2666
2667 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2668 /* specs say about 2 loops, but wl does 4 */
2669 for (i = 0; i < 4; i++)
2670 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
2671 (code << 8 | 0x74));
2672 }
2673
2674 if (dev->phy.rev == 2) {
2675 for (i = 0; i < 4; i++) {
2676 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
2677 (0x0400 * i) + 0x0020);
2678 for (j = 0; j < 21; j++) {
2679 tmp = j * (i < 2 ? 3 : 1);
2680 b43_phy_write(dev,
2681 B43_NPHY_TABLE_DATALO, tmp);
2682 }
2683 }
2684 }
2685
2686 b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
2687 b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
2688 ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
2689 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
2690
2691 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
2692 b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
2693 }
2694
2695 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
b43_nphy_gain_ctl_workarounds(struct b43_wldev * dev)2696 static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
2697 {
2698 if (dev->phy.rev >= 19)
2699 b43_nphy_gain_ctl_workarounds_rev19(dev);
2700 else if (dev->phy.rev >= 7)
2701 b43_nphy_gain_ctl_workarounds_rev7(dev);
2702 else if (dev->phy.rev >= 3)
2703 b43_nphy_gain_ctl_workarounds_rev3(dev);
2704 else
2705 b43_nphy_gain_ctl_workarounds_rev1_2(dev);
2706 }
2707
b43_nphy_workarounds_rev7plus(struct b43_wldev * dev)2708 static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
2709 {
2710 struct ssb_sprom *sprom = dev->dev->bus_sprom;
2711 struct b43_phy *phy = &dev->phy;
2712
2713 /* TX to RX */
2714 u8 tx2rx_events[7] = { 4, 3, 5, 2, 1, 8, 31, };
2715 u8 tx2rx_delays[7] = { 8, 4, 4, 4, 4, 6, 1, };
2716 /* RX to TX */
2717 u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
2718 0x1F };
2719 u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
2720
2721 static const u16 ntab7_15e_16e[] = { 0, 0x10f, 0x10f };
2722 u8 ntab7_138_146[] = { 0x11, 0x11 };
2723 u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
2724
2725 u16 lpf_ofdm_20mhz[2], lpf_ofdm_40mhz[2], lpf_11b[2];
2726 u16 bcap_val;
2727 s16 bcap_val_11b[2], bcap_val_11n_20[2], bcap_val_11n_40[2];
2728 u16 scap_val;
2729 s16 scap_val_11b[2], scap_val_11n_20[2], scap_val_11n_40[2];
2730 bool rccal_ovrd = false;
2731
2732 u16 bias, conv, filt;
2733
2734 u32 noise_tbl[2];
2735
2736 u32 tmp32;
2737 u8 core;
2738
2739 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
2740 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01b3);
2741 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
2742 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016e);
2743 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00cd);
2744 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
2745
2746 if (phy->rev == 7) {
2747 b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
2748 b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
2749 b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
2750 b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
2751 b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
2752 b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
2753 b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
2754 b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
2755 b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
2756 b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
2757 b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
2758 b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
2759 b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
2760 b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
2761 b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
2762 b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
2763 b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
2764 }
2765
2766 if (phy->rev >= 16) {
2767 b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x7ff);
2768 b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x7ff);
2769 } else if (phy->rev <= 8) {
2770 b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1B0);
2771 b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1B0);
2772 }
2773
2774 if (phy->rev >= 16)
2775 b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0xa0);
2776 else if (phy->rev >= 8)
2777 b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
2778
2779 b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
2780 b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
2781 tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
2782 tmp32 &= 0xffffff;
2783 b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2784 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15d), 3, ntab7_15e_16e);
2785 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16d), 3, ntab7_15e_16e);
2786
2787 b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
2788 ARRAY_SIZE(tx2rx_events));
2789 if (b43_nphy_ipa(dev))
2790 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
2791 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2792
2793 b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_0, 0x3FFF, 0x4000);
2794 b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_1, 0x3FFF, 0x4000);
2795
2796 for (core = 0; core < 2; core++) {
2797 lpf_ofdm_20mhz[core] = b43_nphy_read_lpf_ctl(dev, 0x154 + core * 0x10);
2798 lpf_ofdm_40mhz[core] = b43_nphy_read_lpf_ctl(dev, 0x159 + core * 0x10);
2799 lpf_11b[core] = b43_nphy_read_lpf_ctl(dev, 0x152 + core * 0x10);
2800 }
2801
2802 bcap_val = b43_radio_read(dev, R2057_RCCAL_BCAP_VAL);
2803 scap_val = b43_radio_read(dev, R2057_RCCAL_SCAP_VAL);
2804
2805 if (b43_nphy_ipa(dev)) {
2806 bool ghz2 = b43_current_band(dev->wl) == NL80211_BAND_2GHZ;
2807
2808 switch (phy->radio_rev) {
2809 case 5:
2810 /* Check radio version (to be 0) by PHY rev for now */
2811 if (phy->rev == 8 && b43_is_40mhz(dev)) {
2812 for (core = 0; core < 2; core++) {
2813 scap_val_11b[core] = scap_val;
2814 bcap_val_11b[core] = bcap_val;
2815 scap_val_11n_20[core] = scap_val;
2816 bcap_val_11n_20[core] = bcap_val;
2817 scap_val_11n_40[core] = 0xc;
2818 bcap_val_11n_40[core] = 0xc;
2819 }
2820
2821 rccal_ovrd = true;
2822 }
2823 if (phy->rev == 9) {
2824 /* TODO: Radio version 1 (e.g. BCM5357B0) */
2825 }
2826 break;
2827 case 7:
2828 case 8:
2829 for (core = 0; core < 2; core++) {
2830 scap_val_11b[core] = scap_val;
2831 bcap_val_11b[core] = bcap_val;
2832 lpf_ofdm_20mhz[core] = 4;
2833 lpf_11b[core] = 1;
2834 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
2835 scap_val_11n_20[core] = 0xc;
2836 bcap_val_11n_20[core] = 0xc;
2837 scap_val_11n_40[core] = 0xa;
2838 bcap_val_11n_40[core] = 0xa;
2839 } else {
2840 scap_val_11n_20[core] = 0x14;
2841 bcap_val_11n_20[core] = 0x14;
2842 scap_val_11n_40[core] = 0xf;
2843 bcap_val_11n_40[core] = 0xf;
2844 }
2845 }
2846
2847 rccal_ovrd = true;
2848 break;
2849 case 9:
2850 for (core = 0; core < 2; core++) {
2851 bcap_val_11b[core] = bcap_val;
2852 scap_val_11b[core] = scap_val;
2853 lpf_11b[core] = 1;
2854
2855 if (ghz2) {
2856 bcap_val_11n_20[core] = bcap_val + 13;
2857 scap_val_11n_20[core] = scap_val + 15;
2858 } else {
2859 bcap_val_11n_20[core] = bcap_val + 14;
2860 scap_val_11n_20[core] = scap_val + 15;
2861 }
2862 lpf_ofdm_20mhz[core] = 4;
2863
2864 if (ghz2) {
2865 bcap_val_11n_40[core] = bcap_val - 7;
2866 scap_val_11n_40[core] = scap_val - 5;
2867 } else {
2868 bcap_val_11n_40[core] = bcap_val + 2;
2869 scap_val_11n_40[core] = scap_val + 4;
2870 }
2871 lpf_ofdm_40mhz[core] = 4;
2872 }
2873
2874 rccal_ovrd = true;
2875 break;
2876 case 14:
2877 for (core = 0; core < 2; core++) {
2878 bcap_val_11b[core] = bcap_val;
2879 scap_val_11b[core] = scap_val;
2880 lpf_11b[core] = 1;
2881 }
2882
2883 bcap_val_11n_20[0] = bcap_val + 20;
2884 scap_val_11n_20[0] = scap_val + 20;
2885 lpf_ofdm_20mhz[0] = 3;
2886
2887 bcap_val_11n_20[1] = bcap_val + 16;
2888 scap_val_11n_20[1] = scap_val + 16;
2889 lpf_ofdm_20mhz[1] = 3;
2890
2891 bcap_val_11n_40[0] = bcap_val + 20;
2892 scap_val_11n_40[0] = scap_val + 20;
2893 lpf_ofdm_40mhz[0] = 4;
2894
2895 bcap_val_11n_40[1] = bcap_val + 10;
2896 scap_val_11n_40[1] = scap_val + 10;
2897 lpf_ofdm_40mhz[1] = 4;
2898
2899 rccal_ovrd = true;
2900 break;
2901 }
2902 } else {
2903 if (phy->radio_rev == 5) {
2904 for (core = 0; core < 2; core++) {
2905 lpf_ofdm_20mhz[core] = 1;
2906 lpf_ofdm_40mhz[core] = 3;
2907 scap_val_11b[core] = scap_val;
2908 bcap_val_11b[core] = bcap_val;
2909 scap_val_11n_20[core] = 0x11;
2910 scap_val_11n_40[core] = 0x11;
2911 bcap_val_11n_20[core] = 0x13;
2912 bcap_val_11n_40[core] = 0x13;
2913 }
2914
2915 rccal_ovrd = true;
2916 }
2917 }
2918 if (rccal_ovrd) {
2919 u16 rx2tx_lut_20_11b[2], rx2tx_lut_20_11n[2], rx2tx_lut_40_11n[2];
2920 u8 rx2tx_lut_extra = 1;
2921
2922 for (core = 0; core < 2; core++) {
2923 bcap_val_11b[core] = clamp_val(bcap_val_11b[core], 0, 0x1f);
2924 scap_val_11b[core] = clamp_val(scap_val_11b[core], 0, 0x1f);
2925 bcap_val_11n_20[core] = clamp_val(bcap_val_11n_20[core], 0, 0x1f);
2926 scap_val_11n_20[core] = clamp_val(scap_val_11n_20[core], 0, 0x1f);
2927 bcap_val_11n_40[core] = clamp_val(bcap_val_11n_40[core], 0, 0x1f);
2928 scap_val_11n_40[core] = clamp_val(scap_val_11n_40[core], 0, 0x1f);
2929
2930 rx2tx_lut_20_11b[core] = (rx2tx_lut_extra << 13) |
2931 (bcap_val_11b[core] << 8) |
2932 (scap_val_11b[core] << 3) |
2933 lpf_11b[core];
2934 rx2tx_lut_20_11n[core] = (rx2tx_lut_extra << 13) |
2935 (bcap_val_11n_20[core] << 8) |
2936 (scap_val_11n_20[core] << 3) |
2937 lpf_ofdm_20mhz[core];
2938 rx2tx_lut_40_11n[core] = (rx2tx_lut_extra << 13) |
2939 (bcap_val_11n_40[core] << 8) |
2940 (scap_val_11n_40[core] << 3) |
2941 lpf_ofdm_40mhz[core];
2942 }
2943
2944 for (core = 0; core < 2; core++) {
2945 b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
2946 rx2tx_lut_20_11b[core]);
2947 b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
2948 rx2tx_lut_20_11n[core]);
2949 b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
2950 rx2tx_lut_20_11n[core]);
2951 b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
2952 rx2tx_lut_40_11n[core]);
2953 b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
2954 rx2tx_lut_40_11n[core]);
2955 b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
2956 rx2tx_lut_40_11n[core]);
2957 b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
2958 rx2tx_lut_40_11n[core]);
2959 b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
2960 rx2tx_lut_40_11n[core]);
2961 }
2962 }
2963
2964 b43_phy_write(dev, 0x32F, 0x3);
2965
2966 if (phy->radio_rev == 4 || phy->radio_rev == 6)
2967 b43_nphy_rf_ctl_override_rev7(dev, 4, 1, 3, false, 0);
2968
2969 if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
2970 if (sprom->revision &&
2971 sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
2972 b43_radio_write(dev, 0x5, 0x05);
2973 b43_radio_write(dev, 0x6, 0x30);
2974 b43_radio_write(dev, 0x7, 0x00);
2975 b43_radio_set(dev, 0x4f, 0x1);
2976 b43_radio_set(dev, 0xd4, 0x1);
2977 bias = 0x1f;
2978 conv = 0x6f;
2979 filt = 0xaa;
2980 } else {
2981 bias = 0x2b;
2982 conv = 0x7f;
2983 filt = 0xee;
2984 }
2985 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
2986 for (core = 0; core < 2; core++) {
2987 if (core == 0) {
2988 b43_radio_write(dev, 0x5F, bias);
2989 b43_radio_write(dev, 0x64, conv);
2990 b43_radio_write(dev, 0x66, filt);
2991 } else {
2992 b43_radio_write(dev, 0xE8, bias);
2993 b43_radio_write(dev, 0xE9, conv);
2994 b43_radio_write(dev, 0xEB, filt);
2995 }
2996 }
2997 }
2998 }
2999
3000 if (b43_nphy_ipa(dev)) {
3001 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
3002 if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
3003 phy->radio_rev == 6) {
3004 for (core = 0; core < 2; core++) {
3005 if (core == 0)
3006 b43_radio_write(dev, 0x51,
3007 0x7f);
3008 else
3009 b43_radio_write(dev, 0xd6,
3010 0x7f);
3011 }
3012 }
3013 switch (phy->radio_rev) {
3014 case 3:
3015 for (core = 0; core < 2; core++) {
3016 if (core == 0) {
3017 b43_radio_write(dev, 0x64,
3018 0x13);
3019 b43_radio_write(dev, 0x5F,
3020 0x1F);
3021 b43_radio_write(dev, 0x66,
3022 0xEE);
3023 b43_radio_write(dev, 0x59,
3024 0x8A);
3025 b43_radio_write(dev, 0x80,
3026 0x3E);
3027 } else {
3028 b43_radio_write(dev, 0x69,
3029 0x13);
3030 b43_radio_write(dev, 0xE8,
3031 0x1F);
3032 b43_radio_write(dev, 0xEB,
3033 0xEE);
3034 b43_radio_write(dev, 0xDE,
3035 0x8A);
3036 b43_radio_write(dev, 0x105,
3037 0x3E);
3038 }
3039 }
3040 break;
3041 case 7:
3042 case 8:
3043 if (!b43_is_40mhz(dev)) {
3044 b43_radio_write(dev, 0x5F, 0x14);
3045 b43_radio_write(dev, 0xE8, 0x12);
3046 } else {
3047 b43_radio_write(dev, 0x5F, 0x16);
3048 b43_radio_write(dev, 0xE8, 0x16);
3049 }
3050 break;
3051 case 14:
3052 for (core = 0; core < 2; core++) {
3053 int o = core ? 0x85 : 0;
3054
3055 b43_radio_write(dev, o + R2057_IPA2G_CASCONV_CORE0, 0x13);
3056 b43_radio_write(dev, o + R2057_TXMIX2G_TUNE_BOOST_PU_CORE0, 0x21);
3057 b43_radio_write(dev, o + R2057_IPA2G_BIAS_FILTER_CORE0, 0xff);
3058 b43_radio_write(dev, o + R2057_PAD2G_IDACS_CORE0, 0x88);
3059 b43_radio_write(dev, o + R2057_PAD2G_TUNE_PUS_CORE0, 0x23);
3060 b43_radio_write(dev, o + R2057_IPA2G_IMAIN_CORE0, 0x16);
3061 b43_radio_write(dev, o + R2057_PAD_BIAS_FILTER_BWS_CORE0, 0x3e);
3062 b43_radio_write(dev, o + R2057_BACKUP1_CORE0, 0x10);
3063 }
3064 break;
3065 }
3066 } else {
3067 u16 freq = phy->chandef->chan->center_freq;
3068 if ((freq >= 5180 && freq <= 5230) ||
3069 (freq >= 5745 && freq <= 5805)) {
3070 b43_radio_write(dev, 0x7D, 0xFF);
3071 b43_radio_write(dev, 0xFE, 0xFF);
3072 }
3073 }
3074 } else {
3075 if (phy->radio_rev != 5) {
3076 for (core = 0; core < 2; core++) {
3077 if (core == 0) {
3078 b43_radio_write(dev, 0x5c, 0x61);
3079 b43_radio_write(dev, 0x51, 0x70);
3080 } else {
3081 b43_radio_write(dev, 0xe1, 0x61);
3082 b43_radio_write(dev, 0xd6, 0x70);
3083 }
3084 }
3085 }
3086 }
3087
3088 if (phy->radio_rev == 4) {
3089 b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
3090 b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
3091 for (core = 0; core < 2; core++) {
3092 if (core == 0) {
3093 b43_radio_write(dev, 0x1a1, 0x00);
3094 b43_radio_write(dev, 0x1a2, 0x3f);
3095 b43_radio_write(dev, 0x1a6, 0x3f);
3096 } else {
3097 b43_radio_write(dev, 0x1a7, 0x00);
3098 b43_radio_write(dev, 0x1ab, 0x3f);
3099 b43_radio_write(dev, 0x1ac, 0x3f);
3100 }
3101 }
3102 } else {
3103 b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
3104 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
3105 b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
3106 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
3107
3108 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
3109 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
3110 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
3111 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
3112 b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0);
3113 b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0);
3114
3115 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
3116 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
3117 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
3118 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
3119 }
3120
3121 b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
3122
3123 b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
3124 b43_ntab_write_bulk(dev, B43_NTAB8(7, 0x138), 2, ntab7_138_146);
3125 b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
3126 b43_ntab_write_bulk(dev, B43_NTAB8(7, 0x133), 3, ntab7_133);
3127 b43_ntab_write_bulk(dev, B43_NTAB8(7, 0x146), 2, ntab7_138_146);
3128 b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
3129 b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
3130
3131 b43_ntab_read_bulk(dev, B43_NTAB32(16, 0x02), 1, noise_tbl);
3132 noise_tbl[1] = b43_is_40mhz(dev) ? 0x14D : 0x18D;
3133 b43_ntab_write_bulk(dev, B43_NTAB32(16, 0x02), 2, noise_tbl);
3134
3135 b43_ntab_read_bulk(dev, B43_NTAB32(16, 0x7E), 1, noise_tbl);
3136 noise_tbl[1] = b43_is_40mhz(dev) ? 0x14D : 0x18D;
3137 b43_ntab_write_bulk(dev, B43_NTAB32(16, 0x7E), 2, noise_tbl);
3138
3139 b43_nphy_gain_ctl_workarounds(dev);
3140
3141 /* TODO
3142 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
3143 aux_adc_vmid_rev7_core0);
3144 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
3145 aux_adc_vmid_rev7_core1);
3146 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
3147 aux_adc_gain_rev7);
3148 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
3149 aux_adc_gain_rev7);
3150 */
3151 }
3152
b43_nphy_workarounds_rev3plus(struct b43_wldev * dev)3153 static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
3154 {
3155 struct b43_phy_n *nphy = dev->phy.n;
3156 struct ssb_sprom *sprom = dev->dev->bus_sprom;
3157
3158 /* TX to RX */
3159 u8 tx2rx_events[7] = { 0x4, 0x3, 0x5, 0x2, 0x1, 0x8, 0x1F };
3160 u8 tx2rx_delays[7] = { 8, 4, 4, 4, 4, 6, 1 };
3161 /* RX to TX */
3162 u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
3163 0x1F };
3164 u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
3165 u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
3166 u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
3167
3168 u16 vmids[5][4] = {
3169 { 0xa2, 0xb4, 0xb4, 0x89, }, /* 0 */
3170 { 0xb4, 0xb4, 0xb4, 0x24, }, /* 1 */
3171 { 0xa2, 0xb4, 0xb4, 0x74, }, /* 2 */
3172 { 0xa2, 0xb4, 0xb4, 0x270, }, /* 3 */
3173 { 0xa2, 0xb4, 0xb4, 0x00, }, /* 4 and 5 */
3174 };
3175 u16 gains[5][4] = {
3176 { 0x02, 0x02, 0x02, 0x00, }, /* 0 */
3177 { 0x02, 0x02, 0x02, 0x02, }, /* 1 */
3178 { 0x02, 0x02, 0x02, 0x04, }, /* 2 */
3179 { 0x02, 0x02, 0x02, 0x00, }, /* 3 */
3180 { 0x02, 0x02, 0x02, 0x00, }, /* 4 and 5 */
3181 };
3182 u16 *vmid, *gain;
3183
3184 u8 pdet_range;
3185 u16 tmp16;
3186 u32 tmp32;
3187
3188 b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1f8);
3189 b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1f8);
3190
3191 tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
3192 tmp32 &= 0xffffff;
3193 b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
3194
3195 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
3196 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
3197 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
3198 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
3199 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
3200 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
3201
3202 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_B, 0x000C);
3203 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_B, 0x000C);
3204
3205 /* TX to RX */
3206 b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
3207 ARRAY_SIZE(tx2rx_events));
3208
3209 /* RX to TX */
3210 if (b43_nphy_ipa(dev))
3211 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
3212 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
3213 if (nphy->hw_phyrxchain != 3 &&
3214 nphy->hw_phyrxchain != nphy->hw_phytxchain) {
3215 if (b43_nphy_ipa(dev)) {
3216 rx2tx_delays[5] = 59;
3217 rx2tx_delays[6] = 1;
3218 rx2tx_events[7] = 0x1F;
3219 }
3220 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
3221 ARRAY_SIZE(rx2tx_events));
3222 }
3223
3224 tmp16 = (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) ?
3225 0x2 : 0x9C40;
3226 b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
3227
3228 b43_phy_maskset(dev, B43_NPHY_SGILTRNOFFSET, 0xF0FF, 0x0700);
3229
3230 if (!b43_is_40mhz(dev)) {
3231 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
3232 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
3233 } else {
3234 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
3235 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
3236 }
3237
3238 b43_nphy_gain_ctl_workarounds(dev);
3239
3240 b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
3241 b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
3242
3243 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
3244 pdet_range = sprom->fem.ghz2.pdet_range;
3245 else
3246 pdet_range = sprom->fem.ghz5.pdet_range;
3247 vmid = vmids[min_t(u16, pdet_range, 4)];
3248 gain = gains[min_t(u16, pdet_range, 4)];
3249 switch (pdet_range) {
3250 case 3:
3251 if (!(dev->phy.rev >= 4 &&
3252 b43_current_band(dev->wl) == NL80211_BAND_2GHZ))
3253 break;
3254 /* FALL THROUGH */
3255 case 0:
3256 case 1:
3257 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
3258 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
3259 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
3260 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
3261 break;
3262 case 2:
3263 if (dev->phy.rev >= 6) {
3264 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
3265 vmid[3] = 0x94;
3266 else
3267 vmid[3] = 0x8e;
3268 gain[3] = 3;
3269 } else if (dev->phy.rev == 5) {
3270 vmid[3] = 0x84;
3271 gain[3] = 2;
3272 }
3273 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
3274 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
3275 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
3276 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
3277 break;
3278 case 4:
3279 case 5:
3280 if (b43_current_band(dev->wl) != NL80211_BAND_2GHZ) {
3281 if (pdet_range == 4) {
3282 vmid[3] = 0x8e;
3283 tmp16 = 0x96;
3284 gain[3] = 0x2;
3285 } else {
3286 vmid[3] = 0x89;
3287 tmp16 = 0x89;
3288 gain[3] = 0;
3289 }
3290 } else {
3291 if (pdet_range == 4) {
3292 vmid[3] = 0x89;
3293 tmp16 = 0x8b;
3294 gain[3] = 0x2;
3295 } else {
3296 vmid[3] = 0x74;
3297 tmp16 = 0x70;
3298 gain[3] = 0;
3299 }
3300 }
3301 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, vmid);
3302 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0c), 4, gain);
3303 vmid[3] = tmp16;
3304 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, vmid);
3305 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1c), 4, gain);
3306 break;
3307 }
3308
3309 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
3310 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
3311 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
3312 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
3313 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
3314 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
3315 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
3316 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
3317 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
3318 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
3319 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
3320 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
3321
3322 /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
3323
3324 if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
3325 b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ||
3326 (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
3327 b43_current_band(dev->wl) == NL80211_BAND_2GHZ))
3328 tmp32 = 0x00088888;
3329 else
3330 tmp32 = 0x88888888;
3331 b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
3332 b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
3333 b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
3334
3335 if (dev->phy.rev == 4 &&
3336 b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
3337 b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
3338 0x70);
3339 b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
3340 0x70);
3341 }
3342
3343 /* Dropped probably-always-true condition */
3344 b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH0, 0x03eb);
3345 b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH1, 0x03eb);
3346 b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH0, 0x0341);
3347 b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341);
3348 b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH0, 0x042b);
3349 b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH1, 0x042b);
3350 b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH0, 0x0381);
3351 b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH1, 0x0381);
3352 b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH0, 0x042b);
3353 b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH1, 0x042b);
3354 b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH0, 0x0381);
3355 b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH1, 0x0381);
3356
3357 if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
3358 ; /* TODO: 0x0080000000000000 HF */
3359 }
3360
b43_nphy_workarounds_rev1_2(struct b43_wldev * dev)3361 static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
3362 {
3363 struct ssb_sprom *sprom = dev->dev->bus_sprom;
3364 struct b43_phy *phy = &dev->phy;
3365 struct b43_phy_n *nphy = phy->n;
3366
3367 u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
3368 u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
3369
3370 u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
3371 u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
3372
3373 if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
3374 dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) {
3375 delays1[0] = 0x1;
3376 delays1[5] = 0x14;
3377 }
3378
3379 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ &&
3380 nphy->band5g_pwrgain) {
3381 b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
3382 b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
3383 } else {
3384 b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
3385 b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
3386 }
3387
3388 b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
3389 b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
3390 if (dev->phy.rev < 3) {
3391 b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
3392 b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
3393 }
3394
3395 if (dev->phy.rev < 2) {
3396 b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
3397 b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
3398 b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
3399 b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
3400 b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
3401 b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
3402 }
3403
3404 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
3405 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
3406 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
3407 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
3408
3409 b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
3410 b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
3411
3412 b43_nphy_gain_ctl_workarounds(dev);
3413
3414 if (dev->phy.rev < 2) {
3415 if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
3416 b43_hf_write(dev, b43_hf_read(dev) |
3417 B43_HF_MLADVW);
3418 } else if (dev->phy.rev == 2) {
3419 b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
3420 b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
3421 }
3422
3423 if (dev->phy.rev < 2)
3424 b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
3425 ~B43_NPHY_SCRAM_SIGCTL_SCM);
3426
3427 /* Set phase track alpha and beta */
3428 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
3429 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
3430 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
3431 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
3432 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
3433 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
3434
3435 if (dev->phy.rev < 3) {
3436 b43_phy_mask(dev, B43_NPHY_PIL_DW1,
3437 ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
3438 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
3439 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
3440 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
3441 }
3442
3443 if (dev->phy.rev == 2)
3444 b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
3445 B43_NPHY_FINERX2_CGC_DECGC);
3446 }
3447
3448 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
b43_nphy_workarounds(struct b43_wldev * dev)3449 static void b43_nphy_workarounds(struct b43_wldev *dev)
3450 {
3451 struct b43_phy *phy = &dev->phy;
3452 struct b43_phy_n *nphy = phy->n;
3453
3454 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ)
3455 b43_nphy_classifier(dev, 1, 0);
3456 else
3457 b43_nphy_classifier(dev, 1, 1);
3458
3459 if (nphy->hang_avoid)
3460 b43_nphy_stay_in_carrier_search(dev, 1);
3461
3462 b43_phy_set(dev, B43_NPHY_IQFLIP,
3463 B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
3464
3465 /* TODO: rev19+ */
3466 if (dev->phy.rev >= 7)
3467 b43_nphy_workarounds_rev7plus(dev);
3468 else if (dev->phy.rev >= 3)
3469 b43_nphy_workarounds_rev3plus(dev);
3470 else
3471 b43_nphy_workarounds_rev1_2(dev);
3472
3473 if (nphy->hang_avoid)
3474 b43_nphy_stay_in_carrier_search(dev, 0);
3475 }
3476
3477 /**************************************************
3478 * Tx/Rx common
3479 **************************************************/
3480
3481 /*
3482 * Transmits a known value for LO calibration
3483 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
3484 */
b43_nphy_tx_tone(struct b43_wldev * dev,u32 freq,u16 max_val,bool iqmode,bool dac_test,bool modify_bbmult)3485 static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
3486 bool iqmode, bool dac_test, bool modify_bbmult)
3487 {
3488 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
3489 if (samp == 0)
3490 return -1;
3491 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test,
3492 modify_bbmult);
3493 return 0;
3494 }
3495
3496 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
b43_nphy_update_txrx_chain(struct b43_wldev * dev)3497 static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
3498 {
3499 struct b43_phy_n *nphy = dev->phy.n;
3500
3501 bool override = false;
3502 u16 chain = 0x33;
3503
3504 if (nphy->txrx_chain == 0) {
3505 chain = 0x11;
3506 override = true;
3507 } else if (nphy->txrx_chain == 1) {
3508 chain = 0x22;
3509 override = true;
3510 }
3511
3512 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
3513 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
3514 chain);
3515
3516 if (override)
3517 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
3518 B43_NPHY_RFSEQMODE_CAOVER);
3519 else
3520 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
3521 ~B43_NPHY_RFSEQMODE_CAOVER);
3522 }
3523
3524 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
b43_nphy_stop_playback(struct b43_wldev * dev)3525 static void b43_nphy_stop_playback(struct b43_wldev *dev)
3526 {
3527 struct b43_phy *phy = &dev->phy;
3528 struct b43_phy_n *nphy = dev->phy.n;
3529 u16 tmp;
3530
3531 if (nphy->hang_avoid)
3532 b43_nphy_stay_in_carrier_search(dev, 1);
3533
3534 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
3535 if (tmp & 0x1)
3536 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
3537 else if (tmp & 0x2)
3538 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
3539
3540 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
3541
3542 if (nphy->bb_mult_save & 0x80000000) {
3543 tmp = nphy->bb_mult_save & 0xFFFF;
3544 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
3545 nphy->bb_mult_save = 0;
3546 }
3547
3548 if (phy->rev >= 7 && nphy->lpf_bw_overrode_for_sample_play) {
3549 if (phy->rev >= 19)
3550 b43_nphy_rf_ctl_override_rev19(dev, 0x80, 0, 0, true,
3551 1);
3552 else
3553 b43_nphy_rf_ctl_override_rev7(dev, 0x80, 0, 0, true, 1);
3554 nphy->lpf_bw_overrode_for_sample_play = false;
3555 }
3556
3557 if (nphy->hang_avoid)
3558 b43_nphy_stay_in_carrier_search(dev, 0);
3559 }
3560
3561 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
b43_nphy_iq_cal_gain_params(struct b43_wldev * dev,u16 core,struct nphy_txgains target,struct nphy_iqcal_params * params)3562 static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
3563 struct nphy_txgains target,
3564 struct nphy_iqcal_params *params)
3565 {
3566 struct b43_phy *phy = &dev->phy;
3567 int i, j, indx;
3568 u16 gain;
3569
3570 if (dev->phy.rev >= 3) {
3571 params->tx_lpf = target.tx_lpf[core]; /* Rev 7+ */
3572 params->txgm = target.txgm[core];
3573 params->pga = target.pga[core];
3574 params->pad = target.pad[core];
3575 params->ipa = target.ipa[core];
3576 if (phy->rev >= 19) {
3577 /* TODO */
3578 } else if (phy->rev >= 7) {
3579 params->cal_gain = (params->txgm << 12) | (params->pga << 8) | (params->pad << 3) | (params->ipa) | (params->tx_lpf << 15);
3580 } else {
3581 params->cal_gain = (params->txgm << 12) | (params->pga << 8) | (params->pad << 4) | (params->ipa);
3582 }
3583 for (j = 0; j < 5; j++)
3584 params->ncorr[j] = 0x79;
3585 } else {
3586 gain = (target.pad[core]) | (target.pga[core] << 4) |
3587 (target.txgm[core] << 8);
3588
3589 indx = (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ?
3590 1 : 0;
3591 for (i = 0; i < 9; i++)
3592 if (tbl_iqcal_gainparams[indx][i][0] == gain)
3593 break;
3594 i = min(i, 8);
3595
3596 params->txgm = tbl_iqcal_gainparams[indx][i][1];
3597 params->pga = tbl_iqcal_gainparams[indx][i][2];
3598 params->pad = tbl_iqcal_gainparams[indx][i][3];
3599 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
3600 (params->pad << 2);
3601 for (j = 0; j < 4; j++)
3602 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
3603 }
3604 }
3605
3606 /**************************************************
3607 * Tx and Rx
3608 **************************************************/
3609
3610 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
b43_nphy_tx_power_ctrl(struct b43_wldev * dev,bool enable)3611 static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
3612 {
3613 struct b43_phy *phy = &dev->phy;
3614 struct b43_phy_n *nphy = dev->phy.n;
3615 u8 i;
3616 u16 bmask, val, tmp;
3617 enum nl80211_band band = b43_current_band(dev->wl);
3618
3619 if (nphy->hang_avoid)
3620 b43_nphy_stay_in_carrier_search(dev, 1);
3621
3622 nphy->txpwrctrl = enable;
3623 if (!enable) {
3624 if (dev->phy.rev >= 3 &&
3625 (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
3626 (B43_NPHY_TXPCTL_CMD_COEFF |
3627 B43_NPHY_TXPCTL_CMD_HWPCTLEN |
3628 B43_NPHY_TXPCTL_CMD_PCTLEN))) {
3629 /* We disable enabled TX pwr ctl, save it's state */
3630 nphy->tx_pwr_idx[0] = b43_phy_read(dev,
3631 B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
3632 nphy->tx_pwr_idx[1] = b43_phy_read(dev,
3633 B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
3634 }
3635
3636 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
3637 for (i = 0; i < 84; i++)
3638 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
3639
3640 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
3641 for (i = 0; i < 84; i++)
3642 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
3643
3644 tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
3645 if (dev->phy.rev >= 3)
3646 tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
3647 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
3648
3649 if (dev->phy.rev >= 3) {
3650 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
3651 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
3652 } else {
3653 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
3654 }
3655
3656 if (dev->phy.rev == 2)
3657 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
3658 ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
3659 else if (dev->phy.rev < 2)
3660 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
3661 ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
3662
3663 if (dev->phy.rev < 2 && b43_is_40mhz(dev))
3664 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
3665 } else {
3666 b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
3667 nphy->adj_pwr_tbl);
3668 b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
3669 nphy->adj_pwr_tbl);
3670
3671 bmask = B43_NPHY_TXPCTL_CMD_COEFF |
3672 B43_NPHY_TXPCTL_CMD_HWPCTLEN;
3673 /* wl does useless check for "enable" param here */
3674 val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
3675 if (dev->phy.rev >= 3) {
3676 bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
3677 if (val)
3678 val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
3679 }
3680 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
3681
3682 if (band == NL80211_BAND_5GHZ) {
3683 if (phy->rev >= 19) {
3684 /* TODO */
3685 } else if (phy->rev >= 7) {
3686 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3687 ~B43_NPHY_TXPCTL_CMD_INIT,
3688 0x32);
3689 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
3690 ~B43_NPHY_TXPCTL_INIT_PIDXI1,
3691 0x32);
3692 } else {
3693 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3694 ~B43_NPHY_TXPCTL_CMD_INIT,
3695 0x64);
3696 if (phy->rev > 1)
3697 b43_phy_maskset(dev,
3698 B43_NPHY_TXPCTL_INIT,
3699 ~B43_NPHY_TXPCTL_INIT_PIDXI1,
3700 0x64);
3701 }
3702 }
3703
3704 if (dev->phy.rev >= 3) {
3705 if (nphy->tx_pwr_idx[0] != 128 &&
3706 nphy->tx_pwr_idx[1] != 128) {
3707 /* Recover TX pwr ctl state */
3708 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3709 ~B43_NPHY_TXPCTL_CMD_INIT,
3710 nphy->tx_pwr_idx[0]);
3711 if (dev->phy.rev > 1)
3712 b43_phy_maskset(dev,
3713 B43_NPHY_TXPCTL_INIT,
3714 ~0xff, nphy->tx_pwr_idx[1]);
3715 }
3716 }
3717
3718 if (phy->rev >= 7) {
3719 /* TODO */
3720 }
3721
3722 if (dev->phy.rev >= 3) {
3723 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
3724 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
3725 } else {
3726 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
3727 }
3728
3729 if (dev->phy.rev == 2)
3730 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
3731 else if (dev->phy.rev < 2)
3732 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
3733
3734 if (dev->phy.rev < 2 && b43_is_40mhz(dev))
3735 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
3736
3737 if (b43_nphy_ipa(dev)) {
3738 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
3739 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
3740 }
3741 }
3742
3743 if (nphy->hang_avoid)
3744 b43_nphy_stay_in_carrier_search(dev, 0);
3745 }
3746
3747 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
b43_nphy_tx_power_fix(struct b43_wldev * dev)3748 static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
3749 {
3750 struct b43_phy *phy = &dev->phy;
3751 struct b43_phy_n *nphy = dev->phy.n;
3752 struct ssb_sprom *sprom = dev->dev->bus_sprom;
3753
3754 u8 txpi[2], bbmult, i;
3755 u16 tmp, radio_gain, dac_gain;
3756 u16 freq = phy->chandef->chan->center_freq;
3757 u32 txgain;
3758 /* u32 gaintbl; rev3+ */
3759
3760 if (nphy->hang_avoid)
3761 b43_nphy_stay_in_carrier_search(dev, 1);
3762
3763 /* TODO: rev19+ */
3764 if (dev->phy.rev >= 7) {
3765 txpi[0] = txpi[1] = 30;
3766 } else if (dev->phy.rev >= 3) {
3767 txpi[0] = 40;
3768 txpi[1] = 40;
3769 } else if (sprom->revision < 4) {
3770 txpi[0] = 72;
3771 txpi[1] = 72;
3772 } else {
3773 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
3774 txpi[0] = sprom->txpid2g[0];
3775 txpi[1] = sprom->txpid2g[1];
3776 } else if (freq >= 4900 && freq < 5100) {
3777 txpi[0] = sprom->txpid5gl[0];
3778 txpi[1] = sprom->txpid5gl[1];
3779 } else if (freq >= 5100 && freq < 5500) {
3780 txpi[0] = sprom->txpid5g[0];
3781 txpi[1] = sprom->txpid5g[1];
3782 } else if (freq >= 5500) {
3783 txpi[0] = sprom->txpid5gh[0];
3784 txpi[1] = sprom->txpid5gh[1];
3785 } else {
3786 txpi[0] = 91;
3787 txpi[1] = 91;
3788 }
3789 }
3790 if (dev->phy.rev < 7 &&
3791 (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
3792 txpi[0] = txpi[1] = 91;
3793
3794 /*
3795 for (i = 0; i < 2; i++) {
3796 nphy->txpwrindex[i].index_internal = txpi[i];
3797 nphy->txpwrindex[i].index_internal_save = txpi[i];
3798 }
3799 */
3800
3801 for (i = 0; i < 2; i++) {
3802 const u32 *table = b43_nphy_get_tx_gain_table(dev);
3803
3804 if (!table)
3805 break;
3806 txgain = *(table + txpi[i]);
3807
3808 if (dev->phy.rev >= 3)
3809 radio_gain = (txgain >> 16) & 0x1FFFF;
3810 else
3811 radio_gain = (txgain >> 16) & 0x1FFF;
3812
3813 if (dev->phy.rev >= 7)
3814 dac_gain = (txgain >> 8) & 0x7;
3815 else
3816 dac_gain = (txgain >> 8) & 0x3F;
3817 bbmult = txgain & 0xFF;
3818
3819 if (dev->phy.rev >= 3) {
3820 if (i == 0)
3821 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
3822 else
3823 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
3824 } else {
3825 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
3826 }
3827
3828 if (i == 0)
3829 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
3830 else
3831 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
3832
3833 b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
3834
3835 tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
3836 if (i == 0)
3837 tmp = (tmp & 0x00FF) | (bbmult << 8);
3838 else
3839 tmp = (tmp & 0xFF00) | bbmult;
3840 b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
3841
3842 if (b43_nphy_ipa(dev)) {
3843 u32 tmp32;
3844 u16 reg = (i == 0) ?
3845 B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
3846 tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
3847 576 + txpi[i]));
3848 b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
3849 b43_phy_set(dev, reg, 0x4);
3850 }
3851 }
3852
3853 b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
3854
3855 if (nphy->hang_avoid)
3856 b43_nphy_stay_in_carrier_search(dev, 0);
3857 }
3858
b43_nphy_ipa_internal_tssi_setup(struct b43_wldev * dev)3859 static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
3860 {
3861 struct b43_phy *phy = &dev->phy;
3862
3863 u8 core;
3864 u16 r; /* routing */
3865
3866 if (phy->rev >= 19) {
3867 /* TODO */
3868 } else if (phy->rev >= 7) {
3869 for (core = 0; core < 2; core++) {
3870 r = core ? 0x190 : 0x170;
3871 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
3872 b43_radio_write(dev, r + 0x5, 0x5);
3873 b43_radio_write(dev, r + 0x9, 0xE);
3874 if (phy->rev != 5)
3875 b43_radio_write(dev, r + 0xA, 0);
3876 if (phy->rev != 7)
3877 b43_radio_write(dev, r + 0xB, 1);
3878 else
3879 b43_radio_write(dev, r + 0xB, 0x31);
3880 } else {
3881 b43_radio_write(dev, r + 0x5, 0x9);
3882 b43_radio_write(dev, r + 0x9, 0xC);
3883 b43_radio_write(dev, r + 0xB, 0x0);
3884 if (phy->rev != 5)
3885 b43_radio_write(dev, r + 0xA, 1);
3886 else
3887 b43_radio_write(dev, r + 0xA, 0x31);
3888 }
3889 b43_radio_write(dev, r + 0x6, 0);
3890 b43_radio_write(dev, r + 0x7, 0);
3891 b43_radio_write(dev, r + 0x8, 3);
3892 b43_radio_write(dev, r + 0xC, 0);
3893 }
3894 } else {
3895 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
3896 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
3897 else
3898 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
3899 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
3900 b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
3901
3902 for (core = 0; core < 2; core++) {
3903 r = core ? B2056_TX1 : B2056_TX0;
3904
3905 b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
3906 b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
3907 b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
3908 b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
3909 b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
3910 b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
3911 b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
3912 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
3913 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
3914 0x5);
3915 if (phy->rev != 5)
3916 b43_radio_write(dev, r | B2056_TX_TSSIA,
3917 0x00);
3918 if (phy->rev >= 5)
3919 b43_radio_write(dev, r | B2056_TX_TSSIG,
3920 0x31);
3921 else
3922 b43_radio_write(dev, r | B2056_TX_TSSIG,
3923 0x11);
3924 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
3925 0xE);
3926 } else {
3927 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
3928 0x9);
3929 b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
3930 b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
3931 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
3932 0xC);
3933 }
3934 }
3935 }
3936 }
3937
3938 /*
3939 * Stop radio and transmit known signal. Then check received signal strength to
3940 * get TSSI (Transmit Signal Strength Indicator).
3941 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
3942 */
b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev * dev)3943 static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
3944 {
3945 struct b43_phy *phy = &dev->phy;
3946 struct b43_phy_n *nphy = dev->phy.n;
3947
3948 u32 tmp;
3949 s32 rssi[4] = { };
3950
3951 if (phy->chandef->chan->flags & IEEE80211_CHAN_NO_IR)
3952 return;
3953
3954 if (b43_nphy_ipa(dev))
3955 b43_nphy_ipa_internal_tssi_setup(dev);
3956
3957 if (phy->rev >= 19)
3958 b43_nphy_rf_ctl_override_rev19(dev, 0x1000, 0, 3, false, 0);
3959 else if (phy->rev >= 7)
3960 b43_nphy_rf_ctl_override_rev7(dev, 0x1000, 0, 3, false, 0);
3961 else if (phy->rev >= 3)
3962 b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false);
3963
3964 b43_nphy_stop_playback(dev);
3965 b43_nphy_tx_tone(dev, 4000, 0, false, false, false);
3966 udelay(20);
3967 tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1);
3968 b43_nphy_stop_playback(dev);
3969
3970 b43_nphy_rssi_select(dev, 0, N_RSSI_W1);
3971
3972 if (phy->rev >= 19)
3973 b43_nphy_rf_ctl_override_rev19(dev, 0x1000, 0, 3, true, 0);
3974 else if (phy->rev >= 7)
3975 b43_nphy_rf_ctl_override_rev7(dev, 0x1000, 0, 3, true, 0);
3976 else if (phy->rev >= 3)
3977 b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, true);
3978
3979 if (phy->rev >= 19) {
3980 /* TODO */
3981 return;
3982 } else if (phy->rev >= 3) {
3983 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
3984 nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
3985 } else {
3986 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
3987 nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
3988 }
3989 nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
3990 nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
3991 }
3992
3993 /* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev * dev)3994 static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
3995 {
3996 struct b43_phy_n *nphy = dev->phy.n;
3997
3998 u8 idx, delta;
3999 u8 i, stf_mode;
4000
4001 /* Array adj_pwr_tbl corresponds to the hardware table. It consists of
4002 * 21 groups, each containing 4 entries.
4003 *
4004 * First group has entries for CCK modulation.
4005 * The rest of groups has 1 entry per modulation (SISO, CDD, STBC, SDM).
4006 *
4007 * Group 0 is for CCK
4008 * Groups 1..4 use BPSK (group per coding rate)
4009 * Groups 5..8 use QPSK (group per coding rate)
4010 * Groups 9..12 use 16-QAM (group per coding rate)
4011 * Groups 13..16 use 64-QAM (group per coding rate)
4012 * Groups 17..20 are unknown
4013 */
4014
4015 for (i = 0; i < 4; i++)
4016 nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
4017
4018 for (stf_mode = 0; stf_mode < 4; stf_mode++) {
4019 delta = 0;
4020 switch (stf_mode) {
4021 case 0:
4022 if (b43_is_40mhz(dev) && dev->phy.rev >= 5) {
4023 idx = 68;
4024 } else {
4025 delta = 1;
4026 idx = b43_is_40mhz(dev) ? 52 : 4;
4027 }
4028 break;
4029 case 1:
4030 idx = b43_is_40mhz(dev) ? 76 : 28;
4031 break;
4032 case 2:
4033 idx = b43_is_40mhz(dev) ? 84 : 36;
4034 break;
4035 case 3:
4036 idx = b43_is_40mhz(dev) ? 92 : 44;
4037 break;
4038 }
4039
4040 for (i = 0; i < 20; i++) {
4041 nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
4042 nphy->tx_power_offset[idx];
4043 if (i == 0)
4044 idx += delta;
4045 if (i == 14)
4046 idx += 1 - delta;
4047 if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
4048 i == 13)
4049 idx += 1;
4050 }
4051 }
4052 }
4053
4054 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
b43_nphy_tx_power_ctl_setup(struct b43_wldev * dev)4055 static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
4056 {
4057 struct b43_phy *phy = &dev->phy;
4058 struct b43_phy_n *nphy = dev->phy.n;
4059 struct ssb_sprom *sprom = dev->dev->bus_sprom;
4060
4061 s16 a1[2], b0[2], b1[2];
4062 u8 idle[2];
4063 u8 ppr_max;
4064 s8 target[2];
4065 s32 num, den, pwr;
4066 u32 regval[64];
4067
4068 u16 freq = phy->chandef->chan->center_freq;
4069 u16 tmp;
4070 u16 r; /* routing */
4071 u8 i, c;
4072
4073 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
4074 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
4075 b43_read32(dev, B43_MMIO_MACCTL);
4076 udelay(1);
4077 }
4078
4079 if (nphy->hang_avoid)
4080 b43_nphy_stay_in_carrier_search(dev, true);
4081
4082 b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
4083 if (dev->phy.rev >= 3)
4084 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
4085 ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
4086 else
4087 b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
4088 B43_NPHY_TXPCTL_CMD_PCTLEN);
4089
4090 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
4091 b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
4092
4093 if (sprom->revision < 4) {
4094 idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
4095 idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
4096 target[0] = target[1] = 52;
4097 a1[0] = a1[1] = -424;
4098 b0[0] = b0[1] = 5612;
4099 b1[0] = b1[1] = -1393;
4100 } else {
4101 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
4102 for (c = 0; c < 2; c++) {
4103 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
4104 target[c] = sprom->core_pwr_info[c].maxpwr_2g;
4105 a1[c] = sprom->core_pwr_info[c].pa_2g[0];
4106 b0[c] = sprom->core_pwr_info[c].pa_2g[1];
4107 b1[c] = sprom->core_pwr_info[c].pa_2g[2];
4108 }
4109 } else if (freq >= 4900 && freq < 5100) {
4110 for (c = 0; c < 2; c++) {
4111 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
4112 target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
4113 a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
4114 b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
4115 b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
4116 }
4117 } else if (freq >= 5100 && freq < 5500) {
4118 for (c = 0; c < 2; c++) {
4119 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
4120 target[c] = sprom->core_pwr_info[c].maxpwr_5g;
4121 a1[c] = sprom->core_pwr_info[c].pa_5g[0];
4122 b0[c] = sprom->core_pwr_info[c].pa_5g[1];
4123 b1[c] = sprom->core_pwr_info[c].pa_5g[2];
4124 }
4125 } else if (freq >= 5500) {
4126 for (c = 0; c < 2; c++) {
4127 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
4128 target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
4129 a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
4130 b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
4131 b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
4132 }
4133 } else {
4134 idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
4135 idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
4136 target[0] = target[1] = 52;
4137 a1[0] = a1[1] = -424;
4138 b0[0] = b0[1] = 5612;
4139 b1[0] = b1[1] = -1393;
4140 }
4141 }
4142
4143 ppr_max = b43_ppr_get_max(dev, &nphy->tx_pwr_max_ppr);
4144 if (ppr_max) {
4145 target[0] = ppr_max;
4146 target[1] = ppr_max;
4147 }
4148
4149 if (dev->phy.rev >= 3) {
4150 if (sprom->fem.ghz2.tssipos)
4151 b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
4152 if (dev->phy.rev >= 7) {
4153 for (c = 0; c < 2; c++) {
4154 r = c ? 0x190 : 0x170;
4155 if (b43_nphy_ipa(dev))
4156 b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) ? 0xE : 0xC);
4157 }
4158 } else {
4159 if (b43_nphy_ipa(dev)) {
4160 tmp = (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) ? 0xC : 0xE;
4161 b43_radio_write(dev,
4162 B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
4163 b43_radio_write(dev,
4164 B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
4165 } else {
4166 b43_radio_write(dev,
4167 B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
4168 b43_radio_write(dev,
4169 B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
4170 }
4171 }
4172 }
4173
4174 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
4175 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
4176 b43_read32(dev, B43_MMIO_MACCTL);
4177 udelay(1);
4178 }
4179
4180 if (phy->rev >= 19) {
4181 /* TODO */
4182 } else if (phy->rev >= 7) {
4183 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
4184 ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
4185 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
4186 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
4187 } else {
4188 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
4189 ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
4190 if (dev->phy.rev > 1)
4191 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
4192 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
4193 }
4194
4195 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
4196 b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
4197
4198 b43_phy_write(dev, B43_NPHY_TXPCTL_N,
4199 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
4200 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
4201 b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
4202 idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
4203 idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
4204 B43_NPHY_TXPCTL_ITSSI_BINF);
4205 b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
4206 target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
4207 target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
4208
4209 for (c = 0; c < 2; c++) {
4210 for (i = 0; i < 64; i++) {
4211 num = 8 * (16 * b0[c] + b1[c] * i);
4212 den = 32768 + a1[c] * i;
4213 pwr = max((4 * num + den / 2) / den, -8);
4214 if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
4215 pwr = max(pwr, target[c] + 1);
4216 regval[i] = pwr;
4217 }
4218 b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
4219 }
4220
4221 b43_nphy_tx_prepare_adjusted_power_table(dev);
4222 b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
4223 b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
4224
4225 if (nphy->hang_avoid)
4226 b43_nphy_stay_in_carrier_search(dev, false);
4227 }
4228
b43_nphy_tx_gain_table_upload(struct b43_wldev * dev)4229 static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
4230 {
4231 struct b43_phy *phy = &dev->phy;
4232
4233 const u32 *table = NULL;
4234 u32 rfpwr_offset;
4235 u8 pga_gain, pad_gain;
4236 int i;
4237 const s16 *uninitialized_var(rf_pwr_offset_table);
4238
4239 table = b43_nphy_get_tx_gain_table(dev);
4240 if (!table)
4241 return;
4242
4243 b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
4244 b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
4245
4246 if (phy->rev < 3)
4247 return;
4248
4249 #if 0
4250 nphy->gmval = (table[0] >> 16) & 0x7000;
4251 #endif
4252
4253 if (phy->rev >= 19) {
4254 return;
4255 } else if (phy->rev >= 7) {
4256 rf_pwr_offset_table = b43_ntab_get_rf_pwr_offset_table(dev);
4257 if (!rf_pwr_offset_table)
4258 return;
4259 /* TODO: Enable this once we have gains configured */
4260 return;
4261 }
4262
4263 for (i = 0; i < 128; i++) {
4264 if (phy->rev >= 19) {
4265 /* TODO */
4266 return;
4267 } else if (phy->rev >= 7) {
4268 pga_gain = (table[i] >> 24) & 0xf;
4269 pad_gain = (table[i] >> 19) & 0x1f;
4270 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
4271 rfpwr_offset = rf_pwr_offset_table[pad_gain];
4272 else
4273 rfpwr_offset = rf_pwr_offset_table[pga_gain];
4274 } else {
4275 pga_gain = (table[i] >> 24) & 0xF;
4276 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
4277 rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
4278 else
4279 rfpwr_offset = 0; /* FIXME */
4280 }
4281
4282 b43_ntab_write(dev, B43_NTAB32(26, 576 + i), rfpwr_offset);
4283 b43_ntab_write(dev, B43_NTAB32(27, 576 + i), rfpwr_offset);
4284 }
4285 }
4286
4287 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
b43_nphy_pa_override(struct b43_wldev * dev,bool enable)4288 static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
4289 {
4290 struct b43_phy_n *nphy = dev->phy.n;
4291 enum nl80211_band band;
4292 u16 tmp;
4293
4294 if (!enable) {
4295 nphy->rfctrl_intc1_save = b43_phy_read(dev,
4296 B43_NPHY_RFCTL_INTC1);
4297 nphy->rfctrl_intc2_save = b43_phy_read(dev,
4298 B43_NPHY_RFCTL_INTC2);
4299 band = b43_current_band(dev->wl);
4300 if (dev->phy.rev >= 7) {
4301 tmp = 0x1480;
4302 } else if (dev->phy.rev >= 3) {
4303 if (band == NL80211_BAND_5GHZ)
4304 tmp = 0x600;
4305 else
4306 tmp = 0x480;
4307 } else {
4308 if (band == NL80211_BAND_5GHZ)
4309 tmp = 0x180;
4310 else
4311 tmp = 0x120;
4312 }
4313 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
4314 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
4315 } else {
4316 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
4317 nphy->rfctrl_intc1_save);
4318 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
4319 nphy->rfctrl_intc2_save);
4320 }
4321 }
4322
4323 /*
4324 * TX low-pass filter bandwidth setup
4325 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw
4326 */
b43_nphy_tx_lpf_bw(struct b43_wldev * dev)4327 static void b43_nphy_tx_lpf_bw(struct b43_wldev *dev)
4328 {
4329 u16 tmp;
4330
4331 if (dev->phy.rev < 3 || dev->phy.rev >= 7)
4332 return;
4333
4334 if (b43_nphy_ipa(dev))
4335 tmp = b43_is_40mhz(dev) ? 5 : 4;
4336 else
4337 tmp = b43_is_40mhz(dev) ? 3 : 1;
4338 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
4339 (tmp << 9) | (tmp << 6) | (tmp << 3) | tmp);
4340
4341 if (b43_nphy_ipa(dev)) {
4342 tmp = b43_is_40mhz(dev) ? 4 : 1;
4343 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
4344 (tmp << 9) | (tmp << 6) | (tmp << 3) | tmp);
4345 }
4346 }
4347
4348 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
b43_nphy_rx_iq_est(struct b43_wldev * dev,struct nphy_iq_est * est,u16 samps,u8 time,bool wait)4349 static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
4350 u16 samps, u8 time, bool wait)
4351 {
4352 int i;
4353 u16 tmp;
4354
4355 b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
4356 b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
4357 if (wait)
4358 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
4359 else
4360 b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
4361
4362 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
4363
4364 for (i = 1000; i; i--) {
4365 tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
4366 if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
4367 est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
4368 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
4369 est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
4370 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
4371 est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
4372 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
4373
4374 est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
4375 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
4376 est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
4377 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
4378 est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
4379 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
4380 return;
4381 }
4382 udelay(10);
4383 }
4384 memset(est, 0, sizeof(*est));
4385 }
4386
4387 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
b43_nphy_rx_iq_coeffs(struct b43_wldev * dev,bool write,struct b43_phy_n_iq_comp * pcomp)4388 static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
4389 struct b43_phy_n_iq_comp *pcomp)
4390 {
4391 if (write) {
4392 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
4393 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
4394 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
4395 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
4396 } else {
4397 pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
4398 pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
4399 pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
4400 pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
4401 }
4402 }
4403
4404 #if 0
4405 /* Ready but not used anywhere */
4406 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
4407 static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
4408 {
4409 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
4410
4411 b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
4412 if (core == 0) {
4413 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
4414 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
4415 } else {
4416 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
4417 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
4418 }
4419 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
4420 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
4421 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
4422 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
4423 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
4424 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
4425 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
4426 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
4427 }
4428
4429 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
4430 static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
4431 {
4432 u8 rxval, txval;
4433 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
4434
4435 regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
4436 if (core == 0) {
4437 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
4438 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
4439 } else {
4440 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
4441 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4442 }
4443 regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
4444 regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
4445 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
4446 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
4447 regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
4448 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
4449 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
4450 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
4451
4452 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
4453 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
4454
4455 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
4456 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
4457 ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
4458 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
4459 ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
4460 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
4461 (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
4462 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
4463 (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
4464
4465 if (core == 0) {
4466 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
4467 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
4468 } else {
4469 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
4470 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
4471 }
4472
4473 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3);
4474 b43_nphy_rf_ctl_override(dev, 8, 0, 3, false);
4475 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
4476
4477 if (core == 0) {
4478 rxval = 1;
4479 txval = 8;
4480 } else {
4481 rxval = 4;
4482 txval = 2;
4483 }
4484 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, rxval,
4485 core + 1);
4486 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, txval,
4487 2 - core);
4488 }
4489 #endif
4490
4491 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
b43_nphy_calc_rx_iq_comp(struct b43_wldev * dev,u8 mask)4492 static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
4493 {
4494 int i;
4495 s32 iq;
4496 u32 ii;
4497 u32 qq;
4498 int iq_nbits, qq_nbits;
4499 int arsh, brsh;
4500 u16 tmp, a, b;
4501
4502 struct nphy_iq_est est;
4503 struct b43_phy_n_iq_comp old;
4504 struct b43_phy_n_iq_comp new = { };
4505 bool error = false;
4506
4507 if (mask == 0)
4508 return;
4509
4510 b43_nphy_rx_iq_coeffs(dev, false, &old);
4511 b43_nphy_rx_iq_coeffs(dev, true, &new);
4512 b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
4513 new = old;
4514
4515 for (i = 0; i < 2; i++) {
4516 if (i == 0 && (mask & 1)) {
4517 iq = est.iq0_prod;
4518 ii = est.i0_pwr;
4519 qq = est.q0_pwr;
4520 } else if (i == 1 && (mask & 2)) {
4521 iq = est.iq1_prod;
4522 ii = est.i1_pwr;
4523 qq = est.q1_pwr;
4524 } else {
4525 continue;
4526 }
4527
4528 if (ii + qq < 2) {
4529 error = true;
4530 break;
4531 }
4532
4533 iq_nbits = fls(abs(iq));
4534 qq_nbits = fls(qq);
4535
4536 arsh = iq_nbits - 20;
4537 if (arsh >= 0) {
4538 a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
4539 tmp = ii >> arsh;
4540 } else {
4541 a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
4542 tmp = ii << -arsh;
4543 }
4544 if (tmp == 0) {
4545 error = true;
4546 break;
4547 }
4548 a /= tmp;
4549
4550 brsh = qq_nbits - 11;
4551 if (brsh >= 0) {
4552 b = (qq << (31 - qq_nbits));
4553 tmp = ii >> brsh;
4554 } else {
4555 b = (qq << (31 - qq_nbits));
4556 tmp = ii << -brsh;
4557 }
4558 if (tmp == 0) {
4559 error = true;
4560 break;
4561 }
4562 b = int_sqrt(b / tmp - a * a) - (1 << 10);
4563
4564 if (i == 0 && (mask & 0x1)) {
4565 if (dev->phy.rev >= 3) {
4566 new.a0 = a & 0x3FF;
4567 new.b0 = b & 0x3FF;
4568 } else {
4569 new.a0 = b & 0x3FF;
4570 new.b0 = a & 0x3FF;
4571 }
4572 } else if (i == 1 && (mask & 0x2)) {
4573 if (dev->phy.rev >= 3) {
4574 new.a1 = a & 0x3FF;
4575 new.b1 = b & 0x3FF;
4576 } else {
4577 new.a1 = b & 0x3FF;
4578 new.b1 = a & 0x3FF;
4579 }
4580 }
4581 }
4582
4583 if (error)
4584 new = old;
4585
4586 b43_nphy_rx_iq_coeffs(dev, true, &new);
4587 }
4588
4589 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
b43_nphy_tx_iq_workaround(struct b43_wldev * dev)4590 static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
4591 {
4592 u16 array[4];
4593 b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
4594
4595 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
4596 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
4597 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
4598 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
4599 }
4600
4601 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
b43_nphy_spur_workaround(struct b43_wldev * dev)4602 static void b43_nphy_spur_workaround(struct b43_wldev *dev)
4603 {
4604 struct b43_phy_n *nphy = dev->phy.n;
4605
4606 u8 channel = dev->phy.channel;
4607 int tone[2] = { 57, 58 };
4608 u32 noise[2] = { 0x3FF, 0x3FF };
4609
4610 B43_WARN_ON(dev->phy.rev < 3);
4611
4612 if (nphy->hang_avoid)
4613 b43_nphy_stay_in_carrier_search(dev, 1);
4614
4615 if (nphy->gband_spurwar_en) {
4616 /* TODO: N PHY Adjust Analog Pfbw (7) */
4617 if (channel == 11 && b43_is_40mhz(dev))
4618 ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
4619 else
4620 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
4621 /* TODO: N PHY Adjust CRS Min Power (0x1E) */
4622 }
4623
4624 if (nphy->aband_spurwar_en) {
4625 if (channel == 54) {
4626 tone[0] = 0x20;
4627 noise[0] = 0x25F;
4628 } else if (channel == 38 || channel == 102 || channel == 118) {
4629 if (0 /* FIXME */) {
4630 tone[0] = 0x20;
4631 noise[0] = 0x21F;
4632 } else {
4633 tone[0] = 0;
4634 noise[0] = 0;
4635 }
4636 } else if (channel == 134) {
4637 tone[0] = 0x20;
4638 noise[0] = 0x21F;
4639 } else if (channel == 151) {
4640 tone[0] = 0x10;
4641 noise[0] = 0x23F;
4642 } else if (channel == 153 || channel == 161) {
4643 tone[0] = 0x30;
4644 noise[0] = 0x23F;
4645 } else {
4646 tone[0] = 0;
4647 noise[0] = 0;
4648 }
4649
4650 if (!tone[0] && !noise[0])
4651 ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
4652 else
4653 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
4654 }
4655
4656 if (nphy->hang_avoid)
4657 b43_nphy_stay_in_carrier_search(dev, 0);
4658 }
4659
4660 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev * dev)4661 static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
4662 {
4663 struct b43_phy_n *nphy = dev->phy.n;
4664 int i, j;
4665 u32 tmp;
4666 u32 cur_real, cur_imag, real_part, imag_part;
4667
4668 u16 buffer[7];
4669
4670 if (nphy->hang_avoid)
4671 b43_nphy_stay_in_carrier_search(dev, true);
4672
4673 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
4674
4675 for (i = 0; i < 2; i++) {
4676 tmp = ((buffer[i * 2] & 0x3FF) << 10) |
4677 (buffer[i * 2 + 1] & 0x3FF);
4678 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
4679 (((i + 26) << 10) | 320));
4680 for (j = 0; j < 128; j++) {
4681 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
4682 ((tmp >> 16) & 0xFFFF));
4683 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
4684 (tmp & 0xFFFF));
4685 }
4686 }
4687
4688 for (i = 0; i < 2; i++) {
4689 tmp = buffer[5 + i];
4690 real_part = (tmp >> 8) & 0xFF;
4691 imag_part = (tmp & 0xFF);
4692 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
4693 (((i + 26) << 10) | 448));
4694
4695 if (dev->phy.rev >= 3) {
4696 cur_real = real_part;
4697 cur_imag = imag_part;
4698 tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
4699 }
4700
4701 for (j = 0; j < 128; j++) {
4702 if (dev->phy.rev < 3) {
4703 cur_real = (real_part * loscale[j] + 128) >> 8;
4704 cur_imag = (imag_part * loscale[j] + 128) >> 8;
4705 tmp = ((cur_real & 0xFF) << 8) |
4706 (cur_imag & 0xFF);
4707 }
4708 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
4709 ((tmp >> 16) & 0xFFFF));
4710 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
4711 (tmp & 0xFFFF));
4712 }
4713 }
4714
4715 if (dev->phy.rev >= 3) {
4716 b43_shm_write16(dev, B43_SHM_SHARED,
4717 B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
4718 b43_shm_write16(dev, B43_SHM_SHARED,
4719 B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
4720 }
4721
4722 if (nphy->hang_avoid)
4723 b43_nphy_stay_in_carrier_search(dev, false);
4724 }
4725
4726 /*
4727 * Restore RSSI Calibration
4728 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
4729 */
b43_nphy_restore_rssi_cal(struct b43_wldev * dev)4730 static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
4731 {
4732 struct b43_phy_n *nphy = dev->phy.n;
4733
4734 u16 *rssical_radio_regs = NULL;
4735 u16 *rssical_phy_regs = NULL;
4736
4737 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
4738 if (!nphy->rssical_chanspec_2G.center_freq)
4739 return;
4740 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
4741 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
4742 } else {
4743 if (!nphy->rssical_chanspec_5G.center_freq)
4744 return;
4745 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
4746 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
4747 }
4748
4749 if (dev->phy.rev >= 19) {
4750 /* TODO */
4751 } else if (dev->phy.rev >= 7) {
4752 b43_radio_maskset(dev, R2057_NB_MASTER_CORE0, ~R2057_VCM_MASK,
4753 rssical_radio_regs[0]);
4754 b43_radio_maskset(dev, R2057_NB_MASTER_CORE1, ~R2057_VCM_MASK,
4755 rssical_radio_regs[1]);
4756 } else {
4757 b43_radio_maskset(dev, B2056_RX0 | B2056_RX_RSSI_MISC, 0xE3,
4758 rssical_radio_regs[0]);
4759 b43_radio_maskset(dev, B2056_RX1 | B2056_RX_RSSI_MISC, 0xE3,
4760 rssical_radio_regs[1]);
4761 }
4762
4763 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
4764 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
4765 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
4766 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
4767
4768 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
4769 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
4770 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
4771 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
4772
4773 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
4774 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
4775 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
4776 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
4777 }
4778
b43_nphy_tx_cal_radio_setup_rev19(struct b43_wldev * dev)4779 static void b43_nphy_tx_cal_radio_setup_rev19(struct b43_wldev *dev)
4780 {
4781 /* TODO */
4782 }
4783
b43_nphy_tx_cal_radio_setup_rev7(struct b43_wldev * dev)4784 static void b43_nphy_tx_cal_radio_setup_rev7(struct b43_wldev *dev)
4785 {
4786 struct b43_phy *phy = &dev->phy;
4787 struct b43_phy_n *nphy = dev->phy.n;
4788 u16 *save = nphy->tx_rx_cal_radio_saveregs;
4789 int core, off;
4790 u16 r, tmp;
4791
4792 for (core = 0; core < 2; core++) {
4793 r = core ? 0x20 : 0;
4794 off = core * 11;
4795
4796 save[off + 0] = b43_radio_read(dev, r + R2057_TX0_TX_SSI_MASTER);
4797 save[off + 1] = b43_radio_read(dev, r + R2057_TX0_IQCAL_VCM_HG);
4798 save[off + 2] = b43_radio_read(dev, r + R2057_TX0_IQCAL_IDAC);
4799 save[off + 3] = b43_radio_read(dev, r + R2057_TX0_TSSI_VCM);
4800 save[off + 4] = 0;
4801 save[off + 5] = b43_radio_read(dev, r + R2057_TX0_TX_SSI_MUX);
4802 if (phy->radio_rev != 5)
4803 save[off + 6] = b43_radio_read(dev, r + R2057_TX0_TSSIA);
4804 save[off + 7] = b43_radio_read(dev, r + R2057_TX0_TSSIG);
4805 save[off + 8] = b43_radio_read(dev, r + R2057_TX0_TSSI_MISC1);
4806
4807 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
4808 b43_radio_write(dev, r + R2057_TX0_TX_SSI_MASTER, 0xA);
4809 b43_radio_write(dev, r + R2057_TX0_IQCAL_VCM_HG, 0x43);
4810 b43_radio_write(dev, r + R2057_TX0_IQCAL_IDAC, 0x55);
4811 b43_radio_write(dev, r + R2057_TX0_TSSI_VCM, 0);
4812 b43_radio_write(dev, r + R2057_TX0_TSSIG, 0);
4813 if (nphy->use_int_tx_iq_lo_cal) {
4814 b43_radio_write(dev, r + R2057_TX0_TX_SSI_MUX, 0x4);
4815 tmp = true ? 0x31 : 0x21; /* TODO */
4816 b43_radio_write(dev, r + R2057_TX0_TSSIA, tmp);
4817 }
4818 b43_radio_write(dev, r + R2057_TX0_TSSI_MISC1, 0x00);
4819 } else {
4820 b43_radio_write(dev, r + R2057_TX0_TX_SSI_MASTER, 0x6);
4821 b43_radio_write(dev, r + R2057_TX0_IQCAL_VCM_HG, 0x43);
4822 b43_radio_write(dev, r + R2057_TX0_IQCAL_IDAC, 0x55);
4823 b43_radio_write(dev, r + R2057_TX0_TSSI_VCM, 0);
4824
4825 if (phy->radio_rev != 5)
4826 b43_radio_write(dev, r + R2057_TX0_TSSIA, 0);
4827 if (nphy->use_int_tx_iq_lo_cal) {
4828 b43_radio_write(dev, r + R2057_TX0_TX_SSI_MUX, 0x6);
4829 tmp = true ? 0x31 : 0x21; /* TODO */
4830 b43_radio_write(dev, r + R2057_TX0_TSSIG, tmp);
4831 }
4832 b43_radio_write(dev, r + R2057_TX0_TSSI_MISC1, 0);
4833 }
4834 }
4835 }
4836
4837 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
b43_nphy_tx_cal_radio_setup(struct b43_wldev * dev)4838 static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
4839 {
4840 struct b43_phy *phy = &dev->phy;
4841 struct b43_phy_n *nphy = dev->phy.n;
4842 u16 *save = nphy->tx_rx_cal_radio_saveregs;
4843 u16 tmp;
4844 u8 offset, i;
4845
4846 if (phy->rev >= 19) {
4847 b43_nphy_tx_cal_radio_setup_rev19(dev);
4848 } else if (phy->rev >= 7) {
4849 b43_nphy_tx_cal_radio_setup_rev7(dev);
4850 } else if (phy->rev >= 3) {
4851 for (i = 0; i < 2; i++) {
4852 tmp = (i == 0) ? 0x2000 : 0x3000;
4853 offset = i * 11;
4854
4855 save[offset + 0] = b43_radio_read(dev, B2055_CAL_RVARCTL);
4856 save[offset + 1] = b43_radio_read(dev, B2055_CAL_LPOCTL);
4857 save[offset + 2] = b43_radio_read(dev, B2055_CAL_TS);
4858 save[offset + 3] = b43_radio_read(dev, B2055_CAL_RCCALRTS);
4859 save[offset + 4] = b43_radio_read(dev, B2055_CAL_RCALRTS);
4860 save[offset + 5] = b43_radio_read(dev, B2055_PADDRV);
4861 save[offset + 6] = b43_radio_read(dev, B2055_XOCTL1);
4862 save[offset + 7] = b43_radio_read(dev, B2055_XOCTL2);
4863 save[offset + 8] = b43_radio_read(dev, B2055_XOREGUL);
4864 save[offset + 9] = b43_radio_read(dev, B2055_XOMISC);
4865 save[offset + 10] = b43_radio_read(dev, B2055_PLL_LFC1);
4866
4867 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
4868 b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
4869 b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
4870 b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
4871 b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
4872 b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
4873 if (nphy->ipa5g_on) {
4874 b43_radio_write(dev, tmp | B2055_PADDRV, 4);
4875 b43_radio_write(dev, tmp | B2055_XOCTL1, 1);
4876 } else {
4877 b43_radio_write(dev, tmp | B2055_PADDRV, 0);
4878 b43_radio_write(dev, tmp | B2055_XOCTL1, 0x2F);
4879 }
4880 b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
4881 } else {
4882 b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x06);
4883 b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
4884 b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
4885 b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
4886 b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
4887 b43_radio_write(dev, tmp | B2055_XOCTL1, 0);
4888 if (nphy->ipa2g_on) {
4889 b43_radio_write(dev, tmp | B2055_PADDRV, 6);
4890 b43_radio_write(dev, tmp | B2055_XOCTL2,
4891 (dev->phy.rev < 5) ? 0x11 : 0x01);
4892 } else {
4893 b43_radio_write(dev, tmp | B2055_PADDRV, 0);
4894 b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
4895 }
4896 }
4897 b43_radio_write(dev, tmp | B2055_XOREGUL, 0);
4898 b43_radio_write(dev, tmp | B2055_XOMISC, 0);
4899 b43_radio_write(dev, tmp | B2055_PLL_LFC1, 0);
4900 }
4901 } else {
4902 save[0] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL1);
4903 b43_radio_write(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
4904
4905 save[1] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL2);
4906 b43_radio_write(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
4907
4908 save[2] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL1);
4909 b43_radio_write(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
4910
4911 save[3] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL2);
4912 b43_radio_write(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
4913
4914 save[3] = b43_radio_read(dev, B2055_C1_PWRDET_RXTX);
4915 save[4] = b43_radio_read(dev, B2055_C2_PWRDET_RXTX);
4916
4917 if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
4918 B43_NPHY_BANDCTL_5GHZ)) {
4919 b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x04);
4920 b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x04);
4921 } else {
4922 b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x20);
4923 b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x20);
4924 }
4925
4926 if (dev->phy.rev < 2) {
4927 b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
4928 b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
4929 } else {
4930 b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
4931 b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
4932 }
4933 }
4934 }
4935
4936 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
b43_nphy_update_tx_cal_ladder(struct b43_wldev * dev,u16 core)4937 static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
4938 {
4939 struct b43_phy_n *nphy = dev->phy.n;
4940 int i;
4941 u16 scale, entry;
4942
4943 u16 tmp = nphy->txcal_bbmult;
4944 if (core == 0)
4945 tmp >>= 8;
4946 tmp &= 0xff;
4947
4948 for (i = 0; i < 18; i++) {
4949 scale = (ladder_lo[i].percent * tmp) / 100;
4950 entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
4951 b43_ntab_write(dev, B43_NTAB16(15, i), entry);
4952
4953 scale = (ladder_iq[i].percent * tmp) / 100;
4954 entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
4955 b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
4956 }
4957 }
4958
b43_nphy_pa_set_tx_dig_filter(struct b43_wldev * dev,u16 offset,const s16 * filter)4959 static void b43_nphy_pa_set_tx_dig_filter(struct b43_wldev *dev, u16 offset,
4960 const s16 *filter)
4961 {
4962 int i;
4963
4964 offset = B43_PHY_N(offset);
4965
4966 for (i = 0; i < 15; i++, offset++)
4967 b43_phy_write(dev, offset, filter[i]);
4968 }
4969
4970 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev * dev)4971 static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
4972 {
4973 b43_nphy_pa_set_tx_dig_filter(dev, 0x2C5,
4974 tbl_tx_filter_coef_rev4[2]);
4975 }
4976
4977 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev * dev)4978 static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
4979 {
4980 /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
4981 static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
4982 static const s16 dig_filter_phy_rev16[] = {
4983 -375, 136, -407, 208, -1527,
4984 956, 93, 186, 93, 230,
4985 -44, 230, 201, -191, 201,
4986 };
4987 int i;
4988
4989 for (i = 0; i < 3; i++)
4990 b43_nphy_pa_set_tx_dig_filter(dev, offset[i],
4991 tbl_tx_filter_coef_rev4[i]);
4992
4993 /* Verified with BCM43227 and BCM43228 */
4994 if (dev->phy.rev == 16)
4995 b43_nphy_pa_set_tx_dig_filter(dev, 0x186, dig_filter_phy_rev16);
4996
4997 /* Verified with BCM43131 and BCM43217 */
4998 if (dev->phy.rev == 17) {
4999 b43_nphy_pa_set_tx_dig_filter(dev, 0x186, dig_filter_phy_rev16);
5000 b43_nphy_pa_set_tx_dig_filter(dev, 0x195,
5001 tbl_tx_filter_coef_rev4[1]);
5002 }
5003
5004 if (b43_is_40mhz(dev)) {
5005 b43_nphy_pa_set_tx_dig_filter(dev, 0x186,
5006 tbl_tx_filter_coef_rev4[3]);
5007 } else {
5008 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ)
5009 b43_nphy_pa_set_tx_dig_filter(dev, 0x186,
5010 tbl_tx_filter_coef_rev4[5]);
5011 if (dev->phy.channel == 14)
5012 b43_nphy_pa_set_tx_dig_filter(dev, 0x186,
5013 tbl_tx_filter_coef_rev4[6]);
5014 }
5015 }
5016
5017 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
b43_nphy_get_tx_gains(struct b43_wldev * dev)5018 static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
5019 {
5020 struct b43_phy_n *nphy = dev->phy.n;
5021
5022 u16 curr_gain[2];
5023 struct nphy_txgains target;
5024 const u32 *table = NULL;
5025
5026 if (!nphy->txpwrctrl) {
5027 int i;
5028
5029 if (nphy->hang_avoid)
5030 b43_nphy_stay_in_carrier_search(dev, true);
5031 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
5032 if (nphy->hang_avoid)
5033 b43_nphy_stay_in_carrier_search(dev, false);
5034
5035 for (i = 0; i < 2; ++i) {
5036 if (dev->phy.rev >= 7) {
5037 target.ipa[i] = curr_gain[i] & 0x0007;
5038 target.pad[i] = (curr_gain[i] & 0x00F8) >> 3;
5039 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
5040 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
5041 target.tx_lpf[i] = (curr_gain[i] & 0x8000) >> 15;
5042 } else if (dev->phy.rev >= 3) {
5043 target.ipa[i] = curr_gain[i] & 0x000F;
5044 target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
5045 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
5046 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
5047 } else {
5048 target.ipa[i] = curr_gain[i] & 0x0003;
5049 target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
5050 target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
5051 target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
5052 }
5053 }
5054 } else {
5055 int i;
5056 u16 index[2];
5057 index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
5058 B43_NPHY_TXPCTL_STAT_BIDX) >>
5059 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
5060 index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
5061 B43_NPHY_TXPCTL_STAT_BIDX) >>
5062 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
5063
5064 for (i = 0; i < 2; ++i) {
5065 table = b43_nphy_get_tx_gain_table(dev);
5066 if (!table)
5067 break;
5068
5069 if (dev->phy.rev >= 7) {
5070 target.ipa[i] = (table[index[i]] >> 16) & 0x7;
5071 target.pad[i] = (table[index[i]] >> 19) & 0x1F;
5072 target.pga[i] = (table[index[i]] >> 24) & 0xF;
5073 target.txgm[i] = (table[index[i]] >> 28) & 0x7;
5074 target.tx_lpf[i] = (table[index[i]] >> 31) & 0x1;
5075 } else if (dev->phy.rev >= 3) {
5076 target.ipa[i] = (table[index[i]] >> 16) & 0xF;
5077 target.pad[i] = (table[index[i]] >> 20) & 0xF;
5078 target.pga[i] = (table[index[i]] >> 24) & 0xF;
5079 target.txgm[i] = (table[index[i]] >> 28) & 0xF;
5080 } else {
5081 target.ipa[i] = (table[index[i]] >> 16) & 0x3;
5082 target.pad[i] = (table[index[i]] >> 18) & 0x3;
5083 target.pga[i] = (table[index[i]] >> 20) & 0x7;
5084 target.txgm[i] = (table[index[i]] >> 23) & 0x7;
5085 }
5086 }
5087 }
5088
5089 return target;
5090 }
5091
5092 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
b43_nphy_tx_cal_phy_cleanup(struct b43_wldev * dev)5093 static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
5094 {
5095 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
5096
5097 if (dev->phy.rev >= 3) {
5098 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
5099 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
5100 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
5101 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
5102 b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
5103 b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
5104 b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
5105 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
5106 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
5107 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
5108 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
5109 b43_nphy_reset_cca(dev);
5110 } else {
5111 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
5112 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
5113 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
5114 b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
5115 b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
5116 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
5117 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
5118 }
5119 }
5120
5121 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
b43_nphy_tx_cal_phy_setup(struct b43_wldev * dev)5122 static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
5123 {
5124 struct b43_phy *phy = &dev->phy;
5125 struct b43_phy_n *nphy = dev->phy.n;
5126 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
5127 u16 tmp;
5128
5129 regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
5130 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
5131 if (dev->phy.rev >= 3) {
5132 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
5133 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
5134
5135 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
5136 regs[2] = tmp;
5137 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
5138
5139 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
5140 regs[3] = tmp;
5141 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
5142
5143 regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
5144 b43_phy_mask(dev, B43_NPHY_BBCFG,
5145 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
5146
5147 tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
5148 regs[5] = tmp;
5149 b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
5150
5151 tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
5152 regs[6] = tmp;
5153 b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
5154 regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
5155 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
5156
5157 if (!nphy->use_int_tx_iq_lo_cal)
5158 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA,
5159 1, 3);
5160 else
5161 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA,
5162 0, 3);
5163 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 2, 1);
5164 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 8, 2);
5165
5166 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
5167 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
5168 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
5169 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
5170
5171 tmp = b43_nphy_read_lpf_ctl(dev, 0);
5172 if (phy->rev >= 19)
5173 b43_nphy_rf_ctl_override_rev19(dev, 0x80, tmp, 0, false,
5174 1);
5175 else if (phy->rev >= 7)
5176 b43_nphy_rf_ctl_override_rev7(dev, 0x80, tmp, 0, false,
5177 1);
5178
5179 if (nphy->use_int_tx_iq_lo_cal && true /* FIXME */) {
5180 if (phy->rev >= 19) {
5181 b43_nphy_rf_ctl_override_rev19(dev, 0x8, 0, 0x3,
5182 false, 0);
5183 } else if (phy->rev >= 8) {
5184 b43_nphy_rf_ctl_override_rev7(dev, 0x8, 0, 0x3,
5185 false, 0);
5186 } else if (phy->rev == 7) {
5187 b43_radio_maskset(dev, R2057_OVR_REG0, 1 << 4, 1 << 4);
5188 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
5189 b43_radio_maskset(dev, R2057_PAD2G_TUNE_PUS_CORE0, ~1, 0);
5190 b43_radio_maskset(dev, R2057_PAD2G_TUNE_PUS_CORE1, ~1, 0);
5191 } else {
5192 b43_radio_maskset(dev, R2057_IPA5G_CASCOFFV_PU_CORE0, ~1, 0);
5193 b43_radio_maskset(dev, R2057_IPA5G_CASCOFFV_PU_CORE1, ~1, 0);
5194 }
5195 }
5196 }
5197 } else {
5198 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
5199 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
5200 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
5201 regs[2] = tmp;
5202 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
5203 tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
5204 regs[3] = tmp;
5205 tmp |= 0x2000;
5206 b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
5207 tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
5208 regs[4] = tmp;
5209 tmp |= 0x2000;
5210 b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
5211 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
5212 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
5213 if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ)
5214 tmp = 0x0180;
5215 else
5216 tmp = 0x0120;
5217 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
5218 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
5219 }
5220 }
5221
5222 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
b43_nphy_save_cal(struct b43_wldev * dev)5223 static void b43_nphy_save_cal(struct b43_wldev *dev)
5224 {
5225 struct b43_phy *phy = &dev->phy;
5226 struct b43_phy_n *nphy = dev->phy.n;
5227
5228 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
5229 u16 *txcal_radio_regs = NULL;
5230 struct b43_chanspec *iqcal_chanspec;
5231 u16 *table = NULL;
5232
5233 if (nphy->hang_avoid)
5234 b43_nphy_stay_in_carrier_search(dev, 1);
5235
5236 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
5237 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
5238 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
5239 iqcal_chanspec = &nphy->iqcal_chanspec_2G;
5240 table = nphy->cal_cache.txcal_coeffs_2G;
5241 } else {
5242 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
5243 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
5244 iqcal_chanspec = &nphy->iqcal_chanspec_5G;
5245 table = nphy->cal_cache.txcal_coeffs_5G;
5246 }
5247
5248 b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
5249 /* TODO use some definitions */
5250 if (phy->rev >= 19) {
5251 /* TODO */
5252 } else if (phy->rev >= 7) {
5253 txcal_radio_regs[0] = b43_radio_read(dev,
5254 R2057_TX0_LOFT_FINE_I);
5255 txcal_radio_regs[1] = b43_radio_read(dev,
5256 R2057_TX0_LOFT_FINE_Q);
5257 txcal_radio_regs[4] = b43_radio_read(dev,
5258 R2057_TX0_LOFT_COARSE_I);
5259 txcal_radio_regs[5] = b43_radio_read(dev,
5260 R2057_TX0_LOFT_COARSE_Q);
5261 txcal_radio_regs[2] = b43_radio_read(dev,
5262 R2057_TX1_LOFT_FINE_I);
5263 txcal_radio_regs[3] = b43_radio_read(dev,
5264 R2057_TX1_LOFT_FINE_Q);
5265 txcal_radio_regs[6] = b43_radio_read(dev,
5266 R2057_TX1_LOFT_COARSE_I);
5267 txcal_radio_regs[7] = b43_radio_read(dev,
5268 R2057_TX1_LOFT_COARSE_Q);
5269 } else if (phy->rev >= 3) {
5270 txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
5271 txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
5272 txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
5273 txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
5274 txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
5275 txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
5276 txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
5277 txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
5278 } else {
5279 txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
5280 txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
5281 txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
5282 txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
5283 }
5284 iqcal_chanspec->center_freq = dev->phy.chandef->chan->center_freq;
5285 iqcal_chanspec->channel_type =
5286 cfg80211_get_chandef_type(dev->phy.chandef);
5287 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
5288
5289 if (nphy->hang_avoid)
5290 b43_nphy_stay_in_carrier_search(dev, 0);
5291 }
5292
5293 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
b43_nphy_restore_cal(struct b43_wldev * dev)5294 static void b43_nphy_restore_cal(struct b43_wldev *dev)
5295 {
5296 struct b43_phy *phy = &dev->phy;
5297 struct b43_phy_n *nphy = dev->phy.n;
5298
5299 u16 coef[4];
5300 u16 *loft = NULL;
5301 u16 *table = NULL;
5302
5303 int i;
5304 u16 *txcal_radio_regs = NULL;
5305 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
5306
5307 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
5308 if (!nphy->iqcal_chanspec_2G.center_freq)
5309 return;
5310 table = nphy->cal_cache.txcal_coeffs_2G;
5311 loft = &nphy->cal_cache.txcal_coeffs_2G[5];
5312 } else {
5313 if (!nphy->iqcal_chanspec_5G.center_freq)
5314 return;
5315 table = nphy->cal_cache.txcal_coeffs_5G;
5316 loft = &nphy->cal_cache.txcal_coeffs_5G[5];
5317 }
5318
5319 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
5320
5321 for (i = 0; i < 4; i++) {
5322 if (dev->phy.rev >= 3)
5323 table[i] = coef[i];
5324 else
5325 coef[i] = 0;
5326 }
5327
5328 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
5329 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
5330 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
5331
5332 if (dev->phy.rev < 2)
5333 b43_nphy_tx_iq_workaround(dev);
5334
5335 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
5336 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
5337 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
5338 } else {
5339 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
5340 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
5341 }
5342
5343 /* TODO use some definitions */
5344 if (phy->rev >= 19) {
5345 /* TODO */
5346 } else if (phy->rev >= 7) {
5347 b43_radio_write(dev, R2057_TX0_LOFT_FINE_I,
5348 txcal_radio_regs[0]);
5349 b43_radio_write(dev, R2057_TX0_LOFT_FINE_Q,
5350 txcal_radio_regs[1]);
5351 b43_radio_write(dev, R2057_TX0_LOFT_COARSE_I,
5352 txcal_radio_regs[4]);
5353 b43_radio_write(dev, R2057_TX0_LOFT_COARSE_Q,
5354 txcal_radio_regs[5]);
5355 b43_radio_write(dev, R2057_TX1_LOFT_FINE_I,
5356 txcal_radio_regs[2]);
5357 b43_radio_write(dev, R2057_TX1_LOFT_FINE_Q,
5358 txcal_radio_regs[3]);
5359 b43_radio_write(dev, R2057_TX1_LOFT_COARSE_I,
5360 txcal_radio_regs[6]);
5361 b43_radio_write(dev, R2057_TX1_LOFT_COARSE_Q,
5362 txcal_radio_regs[7]);
5363 } else if (phy->rev >= 3) {
5364 b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
5365 b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
5366 b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
5367 b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
5368 b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
5369 b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
5370 b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
5371 b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
5372 } else {
5373 b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
5374 b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
5375 b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
5376 b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
5377 }
5378 b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
5379 }
5380
5381 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
b43_nphy_cal_tx_iq_lo(struct b43_wldev * dev,struct nphy_txgains target,bool full,bool mphase)5382 static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
5383 struct nphy_txgains target,
5384 bool full, bool mphase)
5385 {
5386 struct b43_phy *phy = &dev->phy;
5387 struct b43_phy_n *nphy = dev->phy.n;
5388 int i;
5389 int error = 0;
5390 int freq;
5391 bool avoid = false;
5392 u8 length;
5393 u16 tmp, core, type, count, max, numb, last = 0, cmd;
5394 const u16 *table;
5395 bool phy6or5x;
5396
5397 u16 buffer[11];
5398 u16 diq_start = 0;
5399 u16 save[2];
5400 u16 gain[2];
5401 struct nphy_iqcal_params params[2];
5402 bool updated[2] = { };
5403
5404 b43_nphy_stay_in_carrier_search(dev, true);
5405
5406 if (dev->phy.rev >= 4) {
5407 avoid = nphy->hang_avoid;
5408 nphy->hang_avoid = false;
5409 }
5410
5411 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
5412
5413 for (i = 0; i < 2; i++) {
5414 b43_nphy_iq_cal_gain_params(dev, i, target, ¶ms[i]);
5415 gain[i] = params[i].cal_gain;
5416 }
5417
5418 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
5419
5420 b43_nphy_tx_cal_radio_setup(dev);
5421 b43_nphy_tx_cal_phy_setup(dev);
5422
5423 phy6or5x = dev->phy.rev >= 6 ||
5424 (dev->phy.rev == 5 && nphy->ipa2g_on &&
5425 b43_current_band(dev->wl) == NL80211_BAND_2GHZ);
5426 if (phy6or5x) {
5427 if (b43_is_40mhz(dev)) {
5428 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
5429 tbl_tx_iqlo_cal_loft_ladder_40);
5430 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
5431 tbl_tx_iqlo_cal_iqimb_ladder_40);
5432 } else {
5433 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
5434 tbl_tx_iqlo_cal_loft_ladder_20);
5435 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
5436 tbl_tx_iqlo_cal_iqimb_ladder_20);
5437 }
5438 }
5439
5440 if (phy->rev >= 19) {
5441 /* TODO */
5442 } else if (phy->rev >= 7) {
5443 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AD9);
5444 } else {
5445 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
5446 }
5447
5448 if (!b43_is_40mhz(dev))
5449 freq = 2500;
5450 else
5451 freq = 5000;
5452
5453 if (nphy->mphase_cal_phase_id > 2)
5454 b43_nphy_run_samples(dev, (b43_is_40mhz(dev) ? 40 : 20) * 8,
5455 0xFFFF, 0, true, false, false);
5456 else
5457 error = b43_nphy_tx_tone(dev, freq, 250, true, false, false);
5458
5459 if (error == 0) {
5460 if (nphy->mphase_cal_phase_id > 2) {
5461 table = nphy->mphase_txcal_bestcoeffs;
5462 length = 11;
5463 if (dev->phy.rev < 3)
5464 length -= 2;
5465 } else {
5466 if (!full && nphy->txiqlocal_coeffsvalid) {
5467 table = nphy->txiqlocal_bestc;
5468 length = 11;
5469 if (dev->phy.rev < 3)
5470 length -= 2;
5471 } else {
5472 full = true;
5473 if (dev->phy.rev >= 3) {
5474 table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
5475 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
5476 } else {
5477 table = tbl_tx_iqlo_cal_startcoefs;
5478 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
5479 }
5480 }
5481 }
5482
5483 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
5484
5485 if (full) {
5486 if (dev->phy.rev >= 3)
5487 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
5488 else
5489 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
5490 } else {
5491 if (dev->phy.rev >= 3)
5492 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
5493 else
5494 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
5495 }
5496
5497 if (mphase) {
5498 count = nphy->mphase_txcal_cmdidx;
5499 numb = min(max,
5500 (u16)(count + nphy->mphase_txcal_numcmds));
5501 } else {
5502 count = 0;
5503 numb = max;
5504 }
5505
5506 for (; count < numb; count++) {
5507 if (full) {
5508 if (dev->phy.rev >= 3)
5509 cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
5510 else
5511 cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
5512 } else {
5513 if (dev->phy.rev >= 3)
5514 cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
5515 else
5516 cmd = tbl_tx_iqlo_cal_cmds_recal[count];
5517 }
5518
5519 core = (cmd & 0x3000) >> 12;
5520 type = (cmd & 0x0F00) >> 8;
5521
5522 if (phy6or5x && updated[core] == 0) {
5523 b43_nphy_update_tx_cal_ladder(dev, core);
5524 updated[core] = true;
5525 }
5526
5527 tmp = (params[core].ncorr[type] << 8) | 0x66;
5528 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
5529
5530 if (type == 1 || type == 3 || type == 4) {
5531 buffer[0] = b43_ntab_read(dev,
5532 B43_NTAB16(15, 69 + core));
5533 diq_start = buffer[0];
5534 buffer[0] = 0;
5535 b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
5536 0);
5537 }
5538
5539 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
5540 for (i = 0; i < 2000; i++) {
5541 tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
5542 if (tmp & 0xC000)
5543 break;
5544 udelay(10);
5545 }
5546
5547 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
5548 buffer);
5549 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
5550 buffer);
5551
5552 if (type == 1 || type == 3 || type == 4)
5553 buffer[0] = diq_start;
5554 }
5555
5556 if (mphase)
5557 nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
5558
5559 last = (dev->phy.rev < 3) ? 6 : 7;
5560
5561 if (!mphase || nphy->mphase_cal_phase_id == last) {
5562 b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
5563 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
5564 if (dev->phy.rev < 3) {
5565 buffer[0] = 0;
5566 buffer[1] = 0;
5567 buffer[2] = 0;
5568 buffer[3] = 0;
5569 }
5570 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
5571 buffer);
5572 b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
5573 buffer);
5574 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
5575 buffer);
5576 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
5577 buffer);
5578 length = 11;
5579 if (dev->phy.rev < 3)
5580 length -= 2;
5581 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
5582 nphy->txiqlocal_bestc);
5583 nphy->txiqlocal_coeffsvalid = true;
5584 nphy->txiqlocal_chanspec.center_freq =
5585 phy->chandef->chan->center_freq;
5586 nphy->txiqlocal_chanspec.channel_type =
5587 cfg80211_get_chandef_type(phy->chandef);
5588 } else {
5589 length = 11;
5590 if (dev->phy.rev < 3)
5591 length -= 2;
5592 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
5593 nphy->mphase_txcal_bestcoeffs);
5594 }
5595
5596 b43_nphy_stop_playback(dev);
5597 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
5598 }
5599
5600 b43_nphy_tx_cal_phy_cleanup(dev);
5601 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
5602
5603 if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
5604 b43_nphy_tx_iq_workaround(dev);
5605
5606 if (dev->phy.rev >= 4)
5607 nphy->hang_avoid = avoid;
5608
5609 b43_nphy_stay_in_carrier_search(dev, false);
5610
5611 return error;
5612 }
5613
5614 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev * dev)5615 static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
5616 {
5617 struct b43_phy_n *nphy = dev->phy.n;
5618 u8 i;
5619 u16 buffer[7];
5620 bool equal = true;
5621
5622 if (!nphy->txiqlocal_coeffsvalid ||
5623 nphy->txiqlocal_chanspec.center_freq != dev->phy.chandef->chan->center_freq ||
5624 nphy->txiqlocal_chanspec.channel_type != cfg80211_get_chandef_type(dev->phy.chandef))
5625 return;
5626
5627 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
5628 for (i = 0; i < 4; i++) {
5629 if (buffer[i] != nphy->txiqlocal_bestc[i]) {
5630 equal = false;
5631 break;
5632 }
5633 }
5634
5635 if (!equal) {
5636 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
5637 nphy->txiqlocal_bestc);
5638 for (i = 0; i < 4; i++)
5639 buffer[i] = 0;
5640 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
5641 buffer);
5642 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
5643 &nphy->txiqlocal_bestc[5]);
5644 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
5645 &nphy->txiqlocal_bestc[5]);
5646 }
5647 }
5648
5649 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
b43_nphy_rev2_cal_rx_iq(struct b43_wldev * dev,struct nphy_txgains target,u8 type,bool debug)5650 static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
5651 struct nphy_txgains target, u8 type, bool debug)
5652 {
5653 struct b43_phy_n *nphy = dev->phy.n;
5654 int i, j, index;
5655 u8 rfctl[2];
5656 u8 afectl_core;
5657 u16 tmp[6];
5658 u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
5659 u32 real, imag;
5660 enum nl80211_band band;
5661
5662 u8 use;
5663 u16 cur_hpf;
5664 u16 lna[3] = { 3, 3, 1 };
5665 u16 hpf1[3] = { 7, 2, 0 };
5666 u16 hpf2[3] = { 2, 0, 0 };
5667 u32 power[3] = { };
5668 u16 gain_save[2];
5669 u16 cal_gain[2];
5670 struct nphy_iqcal_params cal_params[2];
5671 struct nphy_iq_est est;
5672 int ret = 0;
5673 bool playtone = true;
5674 int desired = 13;
5675
5676 b43_nphy_stay_in_carrier_search(dev, 1);
5677
5678 if (dev->phy.rev < 2)
5679 b43_nphy_reapply_tx_cal_coeffs(dev);
5680 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
5681 for (i = 0; i < 2; i++) {
5682 b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
5683 cal_gain[i] = cal_params[i].cal_gain;
5684 }
5685 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
5686
5687 for (i = 0; i < 2; i++) {
5688 if (i == 0) {
5689 rfctl[0] = B43_NPHY_RFCTL_INTC1;
5690 rfctl[1] = B43_NPHY_RFCTL_INTC2;
5691 afectl_core = B43_NPHY_AFECTL_C1;
5692 } else {
5693 rfctl[0] = B43_NPHY_RFCTL_INTC2;
5694 rfctl[1] = B43_NPHY_RFCTL_INTC1;
5695 afectl_core = B43_NPHY_AFECTL_C2;
5696 }
5697
5698 tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
5699 tmp[2] = b43_phy_read(dev, afectl_core);
5700 tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
5701 tmp[4] = b43_phy_read(dev, rfctl[0]);
5702 tmp[5] = b43_phy_read(dev, rfctl[1]);
5703
5704 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
5705 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
5706 ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
5707 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
5708 (1 - i));
5709 b43_phy_set(dev, afectl_core, 0x0006);
5710 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
5711
5712 band = b43_current_band(dev->wl);
5713
5714 if (nphy->rxcalparams & 0xFF000000) {
5715 if (band == NL80211_BAND_5GHZ)
5716 b43_phy_write(dev, rfctl[0], 0x140);
5717 else
5718 b43_phy_write(dev, rfctl[0], 0x110);
5719 } else {
5720 if (band == NL80211_BAND_5GHZ)
5721 b43_phy_write(dev, rfctl[0], 0x180);
5722 else
5723 b43_phy_write(dev, rfctl[0], 0x120);
5724 }
5725
5726 if (band == NL80211_BAND_5GHZ)
5727 b43_phy_write(dev, rfctl[1], 0x148);
5728 else
5729 b43_phy_write(dev, rfctl[1], 0x114);
5730
5731 if (nphy->rxcalparams & 0x10000) {
5732 b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
5733 (i + 1));
5734 b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
5735 (2 - i));
5736 }
5737
5738 for (j = 0; j < 4; j++) {
5739 if (j < 3) {
5740 cur_lna = lna[j];
5741 cur_hpf1 = hpf1[j];
5742 cur_hpf2 = hpf2[j];
5743 } else {
5744 if (power[1] > 10000) {
5745 use = 1;
5746 cur_hpf = cur_hpf1;
5747 index = 2;
5748 } else {
5749 if (power[0] > 10000) {
5750 use = 1;
5751 cur_hpf = cur_hpf1;
5752 index = 1;
5753 } else {
5754 index = 0;
5755 use = 2;
5756 cur_hpf = cur_hpf2;
5757 }
5758 }
5759 cur_lna = lna[index];
5760 cur_hpf1 = hpf1[index];
5761 cur_hpf2 = hpf2[index];
5762 cur_hpf += desired - hweight32(power[index]);
5763 cur_hpf = clamp_val(cur_hpf, 0, 10);
5764 if (use == 1)
5765 cur_hpf1 = cur_hpf;
5766 else
5767 cur_hpf2 = cur_hpf;
5768 }
5769
5770 tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
5771 (cur_lna << 2));
5772 b43_nphy_rf_ctl_override(dev, 0x400, tmp[0], 3,
5773 false);
5774 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5775 b43_nphy_stop_playback(dev);
5776
5777 if (playtone) {
5778 ret = b43_nphy_tx_tone(dev, 4000,
5779 (nphy->rxcalparams & 0xFFFF),
5780 false, false, true);
5781 playtone = false;
5782 } else {
5783 b43_nphy_run_samples(dev, 160, 0xFFFF, 0, false,
5784 false, true);
5785 }
5786
5787 if (ret == 0) {
5788 if (j < 3) {
5789 b43_nphy_rx_iq_est(dev, &est, 1024, 32,
5790 false);
5791 if (i == 0) {
5792 real = est.i0_pwr;
5793 imag = est.q0_pwr;
5794 } else {
5795 real = est.i1_pwr;
5796 imag = est.q1_pwr;
5797 }
5798 power[i] = ((real + imag) / 1024) + 1;
5799 } else {
5800 b43_nphy_calc_rx_iq_comp(dev, 1 << i);
5801 }
5802 b43_nphy_stop_playback(dev);
5803 }
5804
5805 if (ret != 0)
5806 break;
5807 }
5808
5809 b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
5810 b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
5811 b43_phy_write(dev, rfctl[1], tmp[5]);
5812 b43_phy_write(dev, rfctl[0], tmp[4]);
5813 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
5814 b43_phy_write(dev, afectl_core, tmp[2]);
5815 b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
5816
5817 if (ret != 0)
5818 break;
5819 }
5820
5821 b43_nphy_rf_ctl_override(dev, 0x400, 0, 3, true);
5822 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5823 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
5824
5825 b43_nphy_stay_in_carrier_search(dev, 0);
5826
5827 return ret;
5828 }
5829
b43_nphy_rev3_cal_rx_iq(struct b43_wldev * dev,struct nphy_txgains target,u8 type,bool debug)5830 static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
5831 struct nphy_txgains target, u8 type, bool debug)
5832 {
5833 return -1;
5834 }
5835
5836 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
b43_nphy_cal_rx_iq(struct b43_wldev * dev,struct nphy_txgains target,u8 type,bool debug)5837 static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
5838 struct nphy_txgains target, u8 type, bool debug)
5839 {
5840 if (dev->phy.rev >= 7)
5841 type = 0;
5842
5843 if (dev->phy.rev >= 3)
5844 return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
5845 else
5846 return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
5847 }
5848
5849 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
b43_nphy_set_rx_core_state(struct b43_wldev * dev,u8 mask)5850 static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
5851 {
5852 struct b43_phy *phy = &dev->phy;
5853 struct b43_phy_n *nphy = phy->n;
5854 /* u16 buf[16]; it's rev3+ */
5855
5856 nphy->phyrxchain = mask;
5857
5858 if (0 /* FIXME clk */)
5859 return;
5860
5861 b43_mac_suspend(dev);
5862
5863 if (nphy->hang_avoid)
5864 b43_nphy_stay_in_carrier_search(dev, true);
5865
5866 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
5867 (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
5868
5869 if ((mask & 0x3) != 0x3) {
5870 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
5871 if (dev->phy.rev >= 3) {
5872 /* TODO */
5873 }
5874 } else {
5875 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
5876 if (dev->phy.rev >= 3) {
5877 /* TODO */
5878 }
5879 }
5880
5881 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5882
5883 if (nphy->hang_avoid)
5884 b43_nphy_stay_in_carrier_search(dev, false);
5885
5886 b43_mac_enable(dev);
5887 }
5888
b43_nphy_op_recalc_txpower(struct b43_wldev * dev,bool ignore_tssi)5889 static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
5890 bool ignore_tssi)
5891 {
5892 struct b43_phy *phy = &dev->phy;
5893 struct b43_phy_n *nphy = dev->phy.n;
5894 struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
5895 struct b43_ppr *ppr = &nphy->tx_pwr_max_ppr;
5896 u8 max; /* qdBm */
5897 bool tx_pwr_state;
5898
5899 if (nphy->tx_pwr_last_recalc_freq == channel->center_freq &&
5900 nphy->tx_pwr_last_recalc_limit == phy->desired_txpower)
5901 return B43_TXPWR_RES_DONE;
5902
5903 /* Make sure we have a clean PPR */
5904 b43_ppr_clear(dev, ppr);
5905
5906 /* HW limitations */
5907 b43_ppr_load_max_from_sprom(dev, ppr, B43_BAND_2G);
5908
5909 /* Regulatory & user settings */
5910 max = INT_TO_Q52(phy->chandef->chan->max_power);
5911 if (phy->desired_txpower)
5912 max = min_t(u8, max, INT_TO_Q52(phy->desired_txpower));
5913 b43_ppr_apply_max(dev, ppr, max);
5914 if (b43_debug(dev, B43_DBG_XMITPOWER))
5915 b43dbg(dev->wl, "Calculated TX power: " Q52_FMT "\n",
5916 Q52_ARG(b43_ppr_get_max(dev, ppr)));
5917
5918 /* TODO: Enable this once we get gains working */
5919 #if 0
5920 /* Some extra gains */
5921 hw_gain = 6; /* N-PHY specific */
5922 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
5923 hw_gain += sprom->antenna_gain.a0;
5924 else
5925 hw_gain += sprom->antenna_gain.a1;
5926 b43_ppr_add(dev, ppr, -hw_gain);
5927 #endif
5928
5929 /* Make sure we didn't go too low */
5930 b43_ppr_apply_min(dev, ppr, INT_TO_Q52(8));
5931
5932 /* Apply */
5933 tx_pwr_state = nphy->txpwrctrl;
5934 b43_mac_suspend(dev);
5935 b43_nphy_tx_power_ctl_setup(dev);
5936 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
5937 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, B43_MACCTL_PHY_LOCK);
5938 b43_read32(dev, B43_MMIO_MACCTL);
5939 udelay(1);
5940 }
5941 b43_nphy_tx_power_ctrl(dev, nphy->txpwrctrl);
5942 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
5943 b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_PHY_LOCK, 0);
5944 b43_mac_enable(dev);
5945
5946 nphy->tx_pwr_last_recalc_freq = channel->center_freq;
5947 nphy->tx_pwr_last_recalc_limit = phy->desired_txpower;
5948
5949 return B43_TXPWR_RES_DONE;
5950 }
5951
5952 /**************************************************
5953 * N-PHY init
5954 **************************************************/
5955
5956 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
b43_nphy_update_mimo_config(struct b43_wldev * dev,s32 preamble)5957 static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
5958 {
5959 u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
5960
5961 mimocfg |= B43_NPHY_MIMOCFG_AUTO;
5962 if (preamble == 1)
5963 mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
5964 else
5965 mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
5966
5967 b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
5968 }
5969
5970 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
b43_nphy_bphy_init(struct b43_wldev * dev)5971 static void b43_nphy_bphy_init(struct b43_wldev *dev)
5972 {
5973 unsigned int i;
5974 u16 val;
5975
5976 val = 0x1E1F;
5977 for (i = 0; i < 16; i++) {
5978 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
5979 val -= 0x202;
5980 }
5981 val = 0x3E3F;
5982 for (i = 0; i < 16; i++) {
5983 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
5984 val -= 0x202;
5985 }
5986 b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
5987 }
5988
5989 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
b43_nphy_superswitch_init(struct b43_wldev * dev,bool init)5990 static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
5991 {
5992 if (dev->phy.rev >= 7)
5993 return;
5994
5995 if (dev->phy.rev >= 3) {
5996 if (!init)
5997 return;
5998 if (0 /* FIXME */) {
5999 b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
6000 b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
6001 b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
6002 b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
6003 }
6004 } else {
6005 b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
6006 b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
6007
6008 switch (dev->dev->bus_type) {
6009 #ifdef CONFIG_B43_BCMA
6010 case B43_BUS_BCMA:
6011 bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
6012 0xFC00, 0xFC00);
6013 break;
6014 #endif
6015 #ifdef CONFIG_B43_SSB
6016 case B43_BUS_SSB:
6017 ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
6018 0xFC00, 0xFC00);
6019 break;
6020 #endif
6021 }
6022
6023 b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
6024 b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
6025 b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
6026 0);
6027
6028 if (init) {
6029 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
6030 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
6031 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
6032 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
6033 }
6034 }
6035 }
6036
6037 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
b43_phy_initn(struct b43_wldev * dev)6038 static int b43_phy_initn(struct b43_wldev *dev)
6039 {
6040 struct ssb_sprom *sprom = dev->dev->bus_sprom;
6041 struct b43_phy *phy = &dev->phy;
6042 struct b43_phy_n *nphy = phy->n;
6043 u8 tx_pwr_state;
6044 struct nphy_txgains target;
6045 u16 tmp;
6046 enum nl80211_band tmp2;
6047 bool do_rssi_cal;
6048
6049 u16 clip[2];
6050 bool do_cal = false;
6051
6052 if ((dev->phy.rev >= 3) &&
6053 (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
6054 (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)) {
6055 switch (dev->dev->bus_type) {
6056 #ifdef CONFIG_B43_BCMA
6057 case B43_BUS_BCMA:
6058 bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
6059 BCMA_CC_CHIPCTL, 0x40);
6060 break;
6061 #endif
6062 #ifdef CONFIG_B43_SSB
6063 case B43_BUS_SSB:
6064 chipco_set32(&dev->dev->sdev->bus->chipco,
6065 SSB_CHIPCO_CHIPCTL, 0x40);
6066 break;
6067 #endif
6068 }
6069 }
6070 nphy->use_int_tx_iq_lo_cal = b43_nphy_ipa(dev) ||
6071 phy->rev >= 7 ||
6072 (phy->rev >= 5 &&
6073 sprom->boardflags2_hi & B43_BFH2_INTERNDET_TXIQCAL);
6074 nphy->deaf_count = 0;
6075 b43_nphy_tables_init(dev);
6076 nphy->crsminpwr_adjusted = false;
6077 nphy->noisevars_adjusted = false;
6078
6079 /* Clear all overrides */
6080 if (dev->phy.rev >= 3) {
6081 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
6082 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
6083 if (phy->rev >= 7) {
6084 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER3, 0);
6085 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER4, 0);
6086 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER5, 0);
6087 b43_phy_write(dev, B43_NPHY_REV7_RF_CTL_OVER6, 0);
6088 }
6089 if (phy->rev >= 19) {
6090 /* TODO */
6091 }
6092
6093 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
6094 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
6095 } else {
6096 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
6097 }
6098 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
6099 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
6100 if (dev->phy.rev < 6) {
6101 b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
6102 b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
6103 }
6104 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
6105 ~(B43_NPHY_RFSEQMODE_CAOVER |
6106 B43_NPHY_RFSEQMODE_TROVER));
6107 if (dev->phy.rev >= 3)
6108 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
6109 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
6110
6111 if (dev->phy.rev <= 2) {
6112 tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
6113 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
6114 ~B43_NPHY_BPHY_CTL3_SCALE,
6115 tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
6116 }
6117 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
6118 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
6119
6120 if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
6121 (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
6122 dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93))
6123 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
6124 else
6125 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
6126 b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
6127 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
6128 b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
6129
6130 if (phy->rev < 8)
6131 b43_nphy_update_mimo_config(dev, nphy->preamble_override);
6132
6133 b43_nphy_update_txrx_chain(dev);
6134
6135 if (phy->rev < 2) {
6136 b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
6137 b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
6138 }
6139
6140 tmp2 = b43_current_band(dev->wl);
6141 if (b43_nphy_ipa(dev)) {
6142 b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
6143 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
6144 nphy->papd_epsilon_offset[0] << 7);
6145 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
6146 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
6147 nphy->papd_epsilon_offset[1] << 7);
6148 b43_nphy_int_pa_set_tx_dig_filters(dev);
6149 } else if (phy->rev >= 5) {
6150 b43_nphy_ext_pa_set_tx_dig_filters(dev);
6151 }
6152
6153 b43_nphy_workarounds(dev);
6154
6155 /* Reset CCA, in init code it differs a little from standard way */
6156 b43_phy_force_clock(dev, 1);
6157 tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
6158 b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
6159 b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
6160 b43_phy_force_clock(dev, 0);
6161
6162 b43_mac_phy_clock_set(dev, true);
6163
6164 if (phy->rev < 7) {
6165 b43_nphy_pa_override(dev, false);
6166 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
6167 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
6168 b43_nphy_pa_override(dev, true);
6169 }
6170
6171 b43_nphy_classifier(dev, 0, 0);
6172 b43_nphy_read_clip_detection(dev, clip);
6173 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
6174 b43_nphy_bphy_init(dev);
6175
6176 tx_pwr_state = nphy->txpwrctrl;
6177 b43_nphy_tx_power_ctrl(dev, false);
6178 b43_nphy_tx_power_fix(dev);
6179 b43_nphy_tx_power_ctl_idle_tssi(dev);
6180 b43_nphy_tx_power_ctl_setup(dev);
6181 b43_nphy_tx_gain_table_upload(dev);
6182
6183 if (nphy->phyrxchain != 3)
6184 b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
6185 if (nphy->mphase_cal_phase_id > 0)
6186 ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
6187
6188 do_rssi_cal = false;
6189 if (phy->rev >= 3) {
6190 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
6191 do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
6192 else
6193 do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
6194
6195 if (do_rssi_cal)
6196 b43_nphy_rssi_cal(dev);
6197 else
6198 b43_nphy_restore_rssi_cal(dev);
6199 } else {
6200 b43_nphy_rssi_cal(dev);
6201 }
6202
6203 if (!((nphy->measure_hold & 0x6) != 0)) {
6204 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
6205 do_cal = !nphy->iqcal_chanspec_2G.center_freq;
6206 else
6207 do_cal = !nphy->iqcal_chanspec_5G.center_freq;
6208
6209 if (nphy->mute)
6210 do_cal = false;
6211
6212 if (do_cal) {
6213 target = b43_nphy_get_tx_gains(dev);
6214
6215 if (nphy->antsel_type == 2)
6216 b43_nphy_superswitch_init(dev, true);
6217 if (nphy->perical != 2) {
6218 b43_nphy_rssi_cal(dev);
6219 if (phy->rev >= 3) {
6220 nphy->cal_orig_pwr_idx[0] =
6221 nphy->txpwrindex[0].index_internal;
6222 nphy->cal_orig_pwr_idx[1] =
6223 nphy->txpwrindex[1].index_internal;
6224 /* TODO N PHY Pre Calibrate TX Gain */
6225 target = b43_nphy_get_tx_gains(dev);
6226 }
6227 if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
6228 if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
6229 b43_nphy_save_cal(dev);
6230 } else if (nphy->mphase_cal_phase_id == 0)
6231 ;/* N PHY Periodic Calibration with arg 3 */
6232 } else {
6233 b43_nphy_restore_cal(dev);
6234 }
6235 }
6236
6237 b43_nphy_tx_pwr_ctrl_coef_setup(dev);
6238 b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
6239 b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
6240 b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
6241 if (phy->rev >= 3 && phy->rev <= 6)
6242 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0032);
6243 b43_nphy_tx_lpf_bw(dev);
6244 if (phy->rev >= 3)
6245 b43_nphy_spur_workaround(dev);
6246
6247 return 0;
6248 }
6249
6250 /**************************************************
6251 * Channel switching ops.
6252 **************************************************/
6253
b43_chantab_phy_upload(struct b43_wldev * dev,const struct b43_phy_n_sfo_cfg * e)6254 static void b43_chantab_phy_upload(struct b43_wldev *dev,
6255 const struct b43_phy_n_sfo_cfg *e)
6256 {
6257 b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
6258 b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
6259 b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
6260 b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
6261 b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
6262 b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
6263 }
6264
6265 /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
b43_nphy_pmu_spur_avoid(struct b43_wldev * dev,bool avoid)6266 static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
6267 {
6268 switch (dev->dev->bus_type) {
6269 #ifdef CONFIG_B43_BCMA
6270 case B43_BUS_BCMA:
6271 bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc,
6272 avoid);
6273 break;
6274 #endif
6275 #ifdef CONFIG_B43_SSB
6276 case B43_BUS_SSB:
6277 ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
6278 avoid);
6279 break;
6280 #endif
6281 }
6282 }
6283
6284 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
b43_nphy_channel_setup(struct b43_wldev * dev,const struct b43_phy_n_sfo_cfg * e,struct ieee80211_channel * new_channel)6285 static void b43_nphy_channel_setup(struct b43_wldev *dev,
6286 const struct b43_phy_n_sfo_cfg *e,
6287 struct ieee80211_channel *new_channel)
6288 {
6289 struct b43_phy *phy = &dev->phy;
6290 struct b43_phy_n *nphy = dev->phy.n;
6291 int ch = new_channel->hw_value;
6292 u16 tmp16;
6293
6294 if (new_channel->band == NL80211_BAND_5GHZ) {
6295 /* Switch to 2 GHz for a moment to access B43_PHY_B_BBCFG */
6296 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
6297
6298 tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
6299 b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
6300 /* Put BPHY in the reset */
6301 b43_phy_set(dev, B43_PHY_B_BBCFG,
6302 B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX);
6303 b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
6304 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
6305 } else if (new_channel->band == NL80211_BAND_2GHZ) {
6306 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
6307 tmp16 = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
6308 b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16 | 4);
6309 /* Take BPHY out of the reset */
6310 b43_phy_mask(dev, B43_PHY_B_BBCFG,
6311 (u16)~(B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX));
6312 b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp16);
6313 }
6314
6315 b43_chantab_phy_upload(dev, e);
6316
6317 if (new_channel->hw_value == 14) {
6318 b43_nphy_classifier(dev, 2, 0);
6319 b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
6320 } else {
6321 b43_nphy_classifier(dev, 2, 2);
6322 if (new_channel->band == NL80211_BAND_2GHZ)
6323 b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
6324 }
6325
6326 if (!nphy->txpwrctrl)
6327 b43_nphy_tx_power_fix(dev);
6328
6329 if (dev->phy.rev < 3)
6330 b43_nphy_adjust_lna_gain_table(dev);
6331
6332 b43_nphy_tx_lpf_bw(dev);
6333
6334 if (dev->phy.rev >= 3 &&
6335 dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
6336 u8 spuravoid = 0;
6337
6338 if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
6339 spuravoid = 1;
6340 } else if (phy->rev >= 19) {
6341 /* TODO */
6342 } else if (phy->rev >= 18) {
6343 /* TODO */
6344 } else if (phy->rev >= 17) {
6345 /* TODO: Off for channels 1-11, but check 12-14! */
6346 } else if (phy->rev >= 16) {
6347 /* TODO: Off for 2 GHz, but check 5 GHz! */
6348 } else if (phy->rev >= 7) {
6349 if (!b43_is_40mhz(dev)) { /* 20MHz */
6350 if (ch == 13 || ch == 14 || ch == 153)
6351 spuravoid = 1;
6352 } else { /* 40 MHz */
6353 if (ch == 54)
6354 spuravoid = 1;
6355 }
6356 } else {
6357 if (!b43_is_40mhz(dev)) { /* 20MHz */
6358 if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
6359 spuravoid = 1;
6360 } else { /* 40MHz */
6361 if (nphy->aband_spurwar_en &&
6362 (ch == 38 || ch == 102 || ch == 118))
6363 spuravoid = dev->dev->chip_id == 0x4716;
6364 }
6365 }
6366
6367 b43_nphy_pmu_spur_avoid(dev, spuravoid);
6368
6369 b43_mac_switch_freq(dev, spuravoid);
6370
6371 if (dev->phy.rev == 3 || dev->phy.rev == 4)
6372 b43_wireless_core_phy_pll_reset(dev);
6373
6374 if (spuravoid)
6375 b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
6376 else
6377 b43_phy_mask(dev, B43_NPHY_BBCFG,
6378 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
6379
6380 b43_nphy_reset_cca(dev);
6381
6382 /* wl sets useless phy_isspuravoid here */
6383 }
6384
6385 b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
6386
6387 if (phy->rev >= 3)
6388 b43_nphy_spur_workaround(dev);
6389 }
6390
6391 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
b43_nphy_set_channel(struct b43_wldev * dev,struct ieee80211_channel * channel,enum nl80211_channel_type channel_type)6392 static int b43_nphy_set_channel(struct b43_wldev *dev,
6393 struct ieee80211_channel *channel,
6394 enum nl80211_channel_type channel_type)
6395 {
6396 struct b43_phy *phy = &dev->phy;
6397
6398 const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
6399 const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
6400 const struct b43_nphy_chantabent_rev7 *tabent_r7 = NULL;
6401 const struct b43_nphy_chantabent_rev7_2g *tabent_r7_2g = NULL;
6402
6403 u8 tmp;
6404
6405 if (phy->rev >= 19) {
6406 return -ESRCH;
6407 /* TODO */
6408 } else if (phy->rev >= 7) {
6409 r2057_get_chantabent_rev7(dev, channel->center_freq,
6410 &tabent_r7, &tabent_r7_2g);
6411 if (!tabent_r7 && !tabent_r7_2g)
6412 return -ESRCH;
6413 } else if (phy->rev >= 3) {
6414 tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
6415 channel->center_freq);
6416 if (!tabent_r3)
6417 return -ESRCH;
6418 } else {
6419 tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
6420 channel->hw_value);
6421 if (!tabent_r2)
6422 return -ESRCH;
6423 }
6424
6425 /* Channel is set later in common code, but we need to set it on our
6426 own to let this function's subcalls work properly. */
6427 phy->channel = channel->hw_value;
6428
6429 #if 0
6430 if (b43_channel_type_is_40mhz(phy->channel_type) !=
6431 b43_channel_type_is_40mhz(channel_type))
6432 ; /* TODO: BMAC BW Set (channel_type) */
6433 #endif
6434
6435 if (channel_type == NL80211_CHAN_HT40PLUS) {
6436 b43_phy_set(dev, B43_NPHY_RXCTL, B43_NPHY_RXCTL_BSELU20);
6437 if (phy->rev >= 7)
6438 b43_phy_set(dev, 0x310, 0x8000);
6439 } else if (channel_type == NL80211_CHAN_HT40MINUS) {
6440 b43_phy_mask(dev, B43_NPHY_RXCTL, ~B43_NPHY_RXCTL_BSELU20);
6441 if (phy->rev >= 7)
6442 b43_phy_mask(dev, 0x310, (u16)~0x8000);
6443 }
6444
6445 if (phy->rev >= 19) {
6446 /* TODO */
6447 } else if (phy->rev >= 7) {
6448 const struct b43_phy_n_sfo_cfg *phy_regs = tabent_r7 ?
6449 &(tabent_r7->phy_regs) : &(tabent_r7_2g->phy_regs);
6450
6451 if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
6452 tmp = (channel->band == NL80211_BAND_5GHZ) ? 2 : 0;
6453 b43_radio_maskset(dev, R2057_TIA_CONFIG_CORE0, ~2, tmp);
6454 b43_radio_maskset(dev, R2057_TIA_CONFIG_CORE1, ~2, tmp);
6455 }
6456
6457 b43_radio_2057_setup(dev, tabent_r7, tabent_r7_2g);
6458 b43_nphy_channel_setup(dev, phy_regs, channel);
6459 } else if (phy->rev >= 3) {
6460 tmp = (channel->band == NL80211_BAND_5GHZ) ? 4 : 0;
6461 b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
6462 b43_radio_2056_setup(dev, tabent_r3);
6463 b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
6464 } else {
6465 tmp = (channel->band == NL80211_BAND_5GHZ) ? 0x0020 : 0x0050;
6466 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
6467 b43_radio_2055_setup(dev, tabent_r2);
6468 b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
6469 }
6470
6471 return 0;
6472 }
6473
6474 /**************************************************
6475 * Basic PHY ops.
6476 **************************************************/
6477
b43_nphy_op_allocate(struct b43_wldev * dev)6478 static int b43_nphy_op_allocate(struct b43_wldev *dev)
6479 {
6480 struct b43_phy_n *nphy;
6481
6482 nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
6483 if (!nphy)
6484 return -ENOMEM;
6485
6486 dev->phy.n = nphy;
6487
6488 return 0;
6489 }
6490
b43_nphy_op_prepare_structs(struct b43_wldev * dev)6491 static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
6492 {
6493 struct b43_phy *phy = &dev->phy;
6494 struct b43_phy_n *nphy = phy->n;
6495 struct ssb_sprom *sprom = dev->dev->bus_sprom;
6496
6497 memset(nphy, 0, sizeof(*nphy));
6498
6499 nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
6500 nphy->spur_avoid = (phy->rev >= 3) ?
6501 B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
6502 nphy->gain_boost = true; /* this way we follow wl, assume it is true */
6503 nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
6504 nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
6505 nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
6506 /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
6507 * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
6508 nphy->tx_pwr_idx[0] = 128;
6509 nphy->tx_pwr_idx[1] = 128;
6510
6511 /* Hardware TX power control and 5GHz power gain */
6512 nphy->txpwrctrl = false;
6513 nphy->pwg_gain_5ghz = false;
6514 if (dev->phy.rev >= 3 ||
6515 (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
6516 (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
6517 nphy->txpwrctrl = true;
6518 nphy->pwg_gain_5ghz = true;
6519 } else if (sprom->revision >= 4) {
6520 if (dev->phy.rev >= 2 &&
6521 (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
6522 nphy->txpwrctrl = true;
6523 #ifdef CONFIG_B43_SSB
6524 if (dev->dev->bus_type == B43_BUS_SSB &&
6525 dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
6526 struct pci_dev *pdev =
6527 dev->dev->sdev->bus->host_pci;
6528 if (pdev->device == 0x4328 ||
6529 pdev->device == 0x432a)
6530 nphy->pwg_gain_5ghz = true;
6531 }
6532 #endif
6533 } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
6534 nphy->pwg_gain_5ghz = true;
6535 }
6536 }
6537
6538 if (dev->phy.rev >= 3) {
6539 nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
6540 nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
6541 }
6542 }
6543
b43_nphy_op_free(struct b43_wldev * dev)6544 static void b43_nphy_op_free(struct b43_wldev *dev)
6545 {
6546 struct b43_phy *phy = &dev->phy;
6547 struct b43_phy_n *nphy = phy->n;
6548
6549 kfree(nphy);
6550 phy->n = NULL;
6551 }
6552
b43_nphy_op_init(struct b43_wldev * dev)6553 static int b43_nphy_op_init(struct b43_wldev *dev)
6554 {
6555 return b43_phy_initn(dev);
6556 }
6557
check_phyreg(struct b43_wldev * dev,u16 offset)6558 static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
6559 {
6560 #if B43_DEBUG
6561 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
6562 /* OFDM registers are onnly available on A/G-PHYs */
6563 b43err(dev->wl, "Invalid OFDM PHY access at "
6564 "0x%04X on N-PHY\n", offset);
6565 dump_stack();
6566 }
6567 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
6568 /* Ext-G registers are only available on G-PHYs */
6569 b43err(dev->wl, "Invalid EXT-G PHY access at "
6570 "0x%04X on N-PHY\n", offset);
6571 dump_stack();
6572 }
6573 #endif /* B43_DEBUG */
6574 }
6575
b43_nphy_op_maskset(struct b43_wldev * dev,u16 reg,u16 mask,u16 set)6576 static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
6577 u16 set)
6578 {
6579 check_phyreg(dev, reg);
6580 b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
6581 b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
6582 dev->phy.writes_counter = 1;
6583 }
6584
b43_nphy_op_radio_read(struct b43_wldev * dev,u16 reg)6585 static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
6586 {
6587 /* Register 1 is a 32-bit register. */
6588 B43_WARN_ON(dev->phy.rev < 7 && reg == 1);
6589
6590 if (dev->phy.rev >= 7)
6591 reg |= 0x200; /* Radio 0x2057 */
6592 else
6593 reg |= 0x100;
6594
6595 b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
6596 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
6597 }
6598
b43_nphy_op_radio_write(struct b43_wldev * dev,u16 reg,u16 value)6599 static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
6600 {
6601 /* Register 1 is a 32-bit register. */
6602 B43_WARN_ON(dev->phy.rev < 7 && reg == 1);
6603
6604 b43_write16f(dev, B43_MMIO_RADIO_CONTROL, reg);
6605 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
6606 }
6607
6608 /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
b43_nphy_op_software_rfkill(struct b43_wldev * dev,bool blocked)6609 static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
6610 bool blocked)
6611 {
6612 struct b43_phy *phy = &dev->phy;
6613
6614 if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
6615 b43err(dev->wl, "MAC not suspended\n");
6616
6617 if (blocked) {
6618 if (phy->rev >= 19) {
6619 /* TODO */
6620 } else if (phy->rev >= 8) {
6621 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
6622 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
6623 } else if (phy->rev >= 7) {
6624 /* Nothing needed */
6625 } else if (phy->rev >= 3) {
6626 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
6627 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
6628
6629 b43_radio_mask(dev, 0x09, ~0x2);
6630
6631 b43_radio_write(dev, 0x204D, 0);
6632 b43_radio_write(dev, 0x2053, 0);
6633 b43_radio_write(dev, 0x2058, 0);
6634 b43_radio_write(dev, 0x205E, 0);
6635 b43_radio_mask(dev, 0x2062, ~0xF0);
6636 b43_radio_write(dev, 0x2064, 0);
6637
6638 b43_radio_write(dev, 0x304D, 0);
6639 b43_radio_write(dev, 0x3053, 0);
6640 b43_radio_write(dev, 0x3058, 0);
6641 b43_radio_write(dev, 0x305E, 0);
6642 b43_radio_mask(dev, 0x3062, ~0xF0);
6643 b43_radio_write(dev, 0x3064, 0);
6644 }
6645 } else {
6646 if (phy->rev >= 19) {
6647 /* TODO */
6648 } else if (phy->rev >= 7) {
6649 if (!dev->phy.radio_on)
6650 b43_radio_2057_init(dev);
6651 b43_switch_channel(dev, dev->phy.channel);
6652 } else if (phy->rev >= 3) {
6653 if (!dev->phy.radio_on)
6654 b43_radio_init2056(dev);
6655 b43_switch_channel(dev, dev->phy.channel);
6656 } else {
6657 b43_radio_init2055(dev);
6658 }
6659 }
6660 }
6661
6662 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
b43_nphy_op_switch_analog(struct b43_wldev * dev,bool on)6663 static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
6664 {
6665 struct b43_phy *phy = &dev->phy;
6666 u16 override = on ? 0x0 : 0x7FFF;
6667 u16 core = on ? 0xD : 0x00FD;
6668
6669 if (phy->rev >= 19) {
6670 /* TODO */
6671 } else if (phy->rev >= 3) {
6672 if (on) {
6673 b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
6674 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
6675 b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
6676 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
6677 } else {
6678 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
6679 b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
6680 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
6681 b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
6682 }
6683 } else {
6684 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
6685 }
6686 }
6687
b43_nphy_op_switch_channel(struct b43_wldev * dev,unsigned int new_channel)6688 static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
6689 unsigned int new_channel)
6690 {
6691 struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
6692 enum nl80211_channel_type channel_type =
6693 cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
6694
6695 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
6696 if ((new_channel < 1) || (new_channel > 14))
6697 return -EINVAL;
6698 } else {
6699 if (new_channel > 200)
6700 return -EINVAL;
6701 }
6702
6703 return b43_nphy_set_channel(dev, channel, channel_type);
6704 }
6705
b43_nphy_op_get_default_chan(struct b43_wldev * dev)6706 static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
6707 {
6708 if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
6709 return 1;
6710 return 36;
6711 }
6712
6713 const struct b43_phy_operations b43_phyops_n = {
6714 .allocate = b43_nphy_op_allocate,
6715 .free = b43_nphy_op_free,
6716 .prepare_structs = b43_nphy_op_prepare_structs,
6717 .init = b43_nphy_op_init,
6718 .phy_maskset = b43_nphy_op_maskset,
6719 .radio_read = b43_nphy_op_radio_read,
6720 .radio_write = b43_nphy_op_radio_write,
6721 .software_rfkill = b43_nphy_op_software_rfkill,
6722 .switch_analog = b43_nphy_op_switch_analog,
6723 .switch_channel = b43_nphy_op_switch_channel,
6724 .get_default_chan = b43_nphy_op_get_default_chan,
6725 .recalc_txpower = b43_nphy_op_recalc_txpower,
6726 };
6727
