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 "main.h"
36
37 struct nphy_txgains {
38 u16 txgm[2];
39 u16 pga[2];
40 u16 pad[2];
41 u16 ipa[2];
42 };
43
44 struct nphy_iqcal_params {
45 u16 txgm;
46 u16 pga;
47 u16 pad;
48 u16 ipa;
49 u16 cal_gain;
50 u16 ncorr[5];
51 };
52
53 struct nphy_iq_est {
54 s32 iq0_prod;
55 u32 i0_pwr;
56 u32 q0_pwr;
57 s32 iq1_prod;
58 u32 i1_pwr;
59 u32 q1_pwr;
60 };
61
62 enum b43_nphy_rf_sequence {
63 B43_RFSEQ_RX2TX,
64 B43_RFSEQ_TX2RX,
65 B43_RFSEQ_RESET2RX,
66 B43_RFSEQ_UPDATE_GAINH,
67 B43_RFSEQ_UPDATE_GAINL,
68 B43_RFSEQ_UPDATE_GAINU,
69 };
70
71 enum b43_nphy_rssi_type {
72 B43_NPHY_RSSI_X = 0,
73 B43_NPHY_RSSI_Y,
74 B43_NPHY_RSSI_Z,
75 B43_NPHY_RSSI_PWRDET,
76 B43_NPHY_RSSI_TSSI_I,
77 B43_NPHY_RSSI_TSSI_Q,
78 B43_NPHY_RSSI_TBD,
79 };
80
b43_nphy_ipa(struct b43_wldev * dev)81 static inline bool b43_nphy_ipa(struct b43_wldev *dev)
82 {
83 enum ieee80211_band band = b43_current_band(dev->wl);
84 return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
85 (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
86 }
87
88 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetIpaGainTbl */
b43_nphy_get_ipa_gain_table(struct b43_wldev * dev)89 static const u32 *b43_nphy_get_ipa_gain_table(struct b43_wldev *dev)
90 {
91 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
92 if (dev->phy.rev >= 6) {
93 if (dev->dev->chip_id == 47162)
94 return txpwrctrl_tx_gain_ipa_rev5;
95 return txpwrctrl_tx_gain_ipa_rev6;
96 } else if (dev->phy.rev >= 5) {
97 return txpwrctrl_tx_gain_ipa_rev5;
98 } else {
99 return txpwrctrl_tx_gain_ipa;
100 }
101 } else {
102 return txpwrctrl_tx_gain_ipa_5g;
103 }
104 }
105
106 /**************************************************
107 * RF (just without b43_nphy_rf_control_intc_override)
108 **************************************************/
109
110 /* 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)111 static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
112 enum b43_nphy_rf_sequence seq)
113 {
114 static const u16 trigger[] = {
115 [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX,
116 [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX,
117 [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX,
118 [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH,
119 [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL,
120 [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU,
121 };
122 int i;
123 u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
124
125 B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
126
127 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
128 B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
129 b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
130 for (i = 0; i < 200; i++) {
131 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
132 goto ok;
133 msleep(1);
134 }
135 b43err(dev->wl, "RF sequence status timeout\n");
136 ok:
137 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
138 }
139
140 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
b43_nphy_rf_control_override(struct b43_wldev * dev,u16 field,u16 value,u8 core,bool off)141 static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
142 u16 value, u8 core, bool off)
143 {
144 int i;
145 u8 index = fls(field);
146 u8 addr, en_addr, val_addr;
147 /* we expect only one bit set */
148 B43_WARN_ON(field & (~(1 << (index - 1))));
149
150 if (dev->phy.rev >= 3) {
151 const struct nphy_rf_control_override_rev3 *rf_ctrl;
152 for (i = 0; i < 2; i++) {
153 if (index == 0 || index == 16) {
154 b43err(dev->wl,
155 "Unsupported RF Ctrl Override call\n");
156 return;
157 }
158
159 rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
160 en_addr = B43_PHY_N((i == 0) ?
161 rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
162 val_addr = B43_PHY_N((i == 0) ?
163 rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
164
165 if (off) {
166 b43_phy_mask(dev, en_addr, ~(field));
167 b43_phy_mask(dev, val_addr,
168 ~(rf_ctrl->val_mask));
169 } else {
170 if (core == 0 || ((1 << i) & core)) {
171 b43_phy_set(dev, en_addr, field);
172 b43_phy_maskset(dev, val_addr,
173 ~(rf_ctrl->val_mask),
174 (value << rf_ctrl->val_shift));
175 }
176 }
177 }
178 } else {
179 const struct nphy_rf_control_override_rev2 *rf_ctrl;
180 if (off) {
181 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
182 value = 0;
183 } else {
184 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
185 }
186
187 for (i = 0; i < 2; i++) {
188 if (index <= 1 || index == 16) {
189 b43err(dev->wl,
190 "Unsupported RF Ctrl Override call\n");
191 return;
192 }
193
194 if (index == 2 || index == 10 ||
195 (index >= 13 && index <= 15)) {
196 core = 1;
197 }
198
199 rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
200 addr = B43_PHY_N((i == 0) ?
201 rf_ctrl->addr0 : rf_ctrl->addr1);
202
203 if ((1 << i) & core)
204 b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
205 (value << rf_ctrl->shift));
206
207 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
208 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
209 B43_NPHY_RFCTL_CMD_START);
210 udelay(1);
211 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
212 }
213 }
214 }
215
216 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
b43_nphy_rf_control_intc_override(struct b43_wldev * dev,u8 field,u16 value,u8 core)217 static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
218 u16 value, u8 core)
219 {
220 u8 i, j;
221 u16 reg, tmp, val;
222
223 B43_WARN_ON(dev->phy.rev < 3);
224 B43_WARN_ON(field > 4);
225
226 for (i = 0; i < 2; i++) {
227 if ((core == 1 && i == 1) || (core == 2 && !i))
228 continue;
229
230 reg = (i == 0) ?
231 B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
232 b43_phy_mask(dev, reg, 0xFBFF);
233
234 switch (field) {
235 case 0:
236 b43_phy_write(dev, reg, 0);
237 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
238 break;
239 case 1:
240 if (!i) {
241 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
242 0xFC3F, (value << 6));
243 b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
244 0xFFFE, 1);
245 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
246 B43_NPHY_RFCTL_CMD_START);
247 for (j = 0; j < 100; j++) {
248 if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START) {
249 j = 0;
250 break;
251 }
252 udelay(10);
253 }
254 if (j)
255 b43err(dev->wl,
256 "intc override timeout\n");
257 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
258 0xFFFE);
259 } else {
260 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
261 0xFC3F, (value << 6));
262 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
263 0xFFFE, 1);
264 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
265 B43_NPHY_RFCTL_CMD_RXTX);
266 for (j = 0; j < 100; j++) {
267 if (b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX) {
268 j = 0;
269 break;
270 }
271 udelay(10);
272 }
273 if (j)
274 b43err(dev->wl,
275 "intc override timeout\n");
276 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
277 0xFFFE);
278 }
279 break;
280 case 2:
281 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
282 tmp = 0x0020;
283 val = value << 5;
284 } else {
285 tmp = 0x0010;
286 val = value << 4;
287 }
288 b43_phy_maskset(dev, reg, ~tmp, val);
289 break;
290 case 3:
291 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
292 tmp = 0x0001;
293 val = value;
294 } else {
295 tmp = 0x0004;
296 val = value << 2;
297 }
298 b43_phy_maskset(dev, reg, ~tmp, val);
299 break;
300 case 4:
301 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
302 tmp = 0x0002;
303 val = value << 1;
304 } else {
305 tmp = 0x0008;
306 val = value << 3;
307 }
308 b43_phy_maskset(dev, reg, ~tmp, val);
309 break;
310 }
311 }
312 }
313
314 /**************************************************
315 * Various PHY ops
316 **************************************************/
317
318 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
b43_nphy_write_clip_detection(struct b43_wldev * dev,const u16 * clip_st)319 static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
320 const u16 *clip_st)
321 {
322 b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
323 b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
324 }
325
326 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
b43_nphy_read_clip_detection(struct b43_wldev * dev,u16 * clip_st)327 static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
328 {
329 clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
330 clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
331 }
332
333 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
b43_nphy_classifier(struct b43_wldev * dev,u16 mask,u16 val)334 static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
335 {
336 u16 tmp;
337
338 if (dev->dev->core_rev == 16)
339 b43_mac_suspend(dev);
340
341 tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
342 tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
343 B43_NPHY_CLASSCTL_WAITEDEN);
344 tmp &= ~mask;
345 tmp |= (val & mask);
346 b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
347
348 if (dev->dev->core_rev == 16)
349 b43_mac_enable(dev);
350
351 return tmp;
352 }
353
354 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
b43_nphy_reset_cca(struct b43_wldev * dev)355 static void b43_nphy_reset_cca(struct b43_wldev *dev)
356 {
357 u16 bbcfg;
358
359 b43_phy_force_clock(dev, 1);
360 bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
361 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
362 udelay(1);
363 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
364 b43_phy_force_clock(dev, 0);
365 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
366 }
367
368 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
b43_nphy_stay_in_carrier_search(struct b43_wldev * dev,bool enable)369 static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
370 {
371 struct b43_phy *phy = &dev->phy;
372 struct b43_phy_n *nphy = phy->n;
373
374 if (enable) {
375 static const u16 clip[] = { 0xFFFF, 0xFFFF };
376 if (nphy->deaf_count++ == 0) {
377 nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
378 b43_nphy_classifier(dev, 0x7, 0);
379 b43_nphy_read_clip_detection(dev, nphy->clip_state);
380 b43_nphy_write_clip_detection(dev, clip);
381 }
382 b43_nphy_reset_cca(dev);
383 } else {
384 if (--nphy->deaf_count == 0) {
385 b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
386 b43_nphy_write_clip_detection(dev, nphy->clip_state);
387 }
388 }
389 }
390
391 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
b43_nphy_adjust_lna_gain_table(struct b43_wldev * dev)392 static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
393 {
394 struct b43_phy_n *nphy = dev->phy.n;
395
396 u8 i;
397 s16 tmp;
398 u16 data[4];
399 s16 gain[2];
400 u16 minmax[2];
401 static const u16 lna_gain[4] = { -2, 10, 19, 25 };
402
403 if (nphy->hang_avoid)
404 b43_nphy_stay_in_carrier_search(dev, 1);
405
406 if (nphy->gain_boost) {
407 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
408 gain[0] = 6;
409 gain[1] = 6;
410 } else {
411 tmp = 40370 - 315 * dev->phy.channel;
412 gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
413 tmp = 23242 - 224 * dev->phy.channel;
414 gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
415 }
416 } else {
417 gain[0] = 0;
418 gain[1] = 0;
419 }
420
421 for (i = 0; i < 2; i++) {
422 if (nphy->elna_gain_config) {
423 data[0] = 19 + gain[i];
424 data[1] = 25 + gain[i];
425 data[2] = 25 + gain[i];
426 data[3] = 25 + gain[i];
427 } else {
428 data[0] = lna_gain[0] + gain[i];
429 data[1] = lna_gain[1] + gain[i];
430 data[2] = lna_gain[2] + gain[i];
431 data[3] = lna_gain[3] + gain[i];
432 }
433 b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
434
435 minmax[i] = 23 + gain[i];
436 }
437
438 b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
439 minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
440 b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
441 minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
442
443 if (nphy->hang_avoid)
444 b43_nphy_stay_in_carrier_search(dev, 0);
445 }
446
447 /* 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)448 static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
449 u8 *events, u8 *delays, u8 length)
450 {
451 struct b43_phy_n *nphy = dev->phy.n;
452 u8 i;
453 u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
454 u16 offset1 = cmd << 4;
455 u16 offset2 = offset1 + 0x80;
456
457 if (nphy->hang_avoid)
458 b43_nphy_stay_in_carrier_search(dev, true);
459
460 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
461 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
462
463 for (i = length; i < 16; i++) {
464 b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
465 b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
466 }
467
468 if (nphy->hang_avoid)
469 b43_nphy_stay_in_carrier_search(dev, false);
470 }
471
472 /**************************************************
473 * Radio 0x2056
474 **************************************************/
475
b43_chantab_radio_2056_upload(struct b43_wldev * dev,const struct b43_nphy_channeltab_entry_rev3 * e)476 static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
477 const struct b43_nphy_channeltab_entry_rev3 *e)
478 {
479 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
480 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
481 b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
482 b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
483 b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
484 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
485 e->radio_syn_pll_loopfilter1);
486 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
487 e->radio_syn_pll_loopfilter2);
488 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
489 e->radio_syn_pll_loopfilter3);
490 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
491 e->radio_syn_pll_loopfilter4);
492 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
493 e->radio_syn_pll_loopfilter5);
494 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
495 e->radio_syn_reserved_addr27);
496 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
497 e->radio_syn_reserved_addr28);
498 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
499 e->radio_syn_reserved_addr29);
500 b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
501 e->radio_syn_logen_vcobuf1);
502 b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
503 b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
504 b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
505
506 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
507 e->radio_rx0_lnaa_tune);
508 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
509 e->radio_rx0_lnag_tune);
510
511 b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
512 e->radio_tx0_intpaa_boost_tune);
513 b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
514 e->radio_tx0_intpag_boost_tune);
515 b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
516 e->radio_tx0_pada_boost_tune);
517 b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
518 e->radio_tx0_padg_boost_tune);
519 b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
520 e->radio_tx0_pgaa_boost_tune);
521 b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
522 e->radio_tx0_pgag_boost_tune);
523 b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
524 e->radio_tx0_mixa_boost_tune);
525 b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
526 e->radio_tx0_mixg_boost_tune);
527
528 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
529 e->radio_rx1_lnaa_tune);
530 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
531 e->radio_rx1_lnag_tune);
532
533 b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
534 e->radio_tx1_intpaa_boost_tune);
535 b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
536 e->radio_tx1_intpag_boost_tune);
537 b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
538 e->radio_tx1_pada_boost_tune);
539 b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
540 e->radio_tx1_padg_boost_tune);
541 b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
542 e->radio_tx1_pgaa_boost_tune);
543 b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
544 e->radio_tx1_pgag_boost_tune);
545 b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
546 e->radio_tx1_mixa_boost_tune);
547 b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
548 e->radio_tx1_mixg_boost_tune);
549 }
550
551 /* 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)552 static void b43_radio_2056_setup(struct b43_wldev *dev,
553 const struct b43_nphy_channeltab_entry_rev3 *e)
554 {
555 struct ssb_sprom *sprom = dev->dev->bus_sprom;
556 enum ieee80211_band band = b43_current_band(dev->wl);
557 u16 offset;
558 u8 i;
559 u16 bias, cbias, pag_boost, pgag_boost, mixg_boost, padg_boost;
560
561 B43_WARN_ON(dev->phy.rev < 3);
562
563 b43_chantab_radio_2056_upload(dev, e);
564 b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
565
566 if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
567 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
568 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
569 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
570 if (dev->dev->chip_id == 0x4716) {
571 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
572 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
573 } else {
574 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
575 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
576 }
577 }
578 if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
579 b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
580 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
581 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
582 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
583 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
584 }
585
586 if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
587 for (i = 0; i < 2; i++) {
588 offset = i ? B2056_TX1 : B2056_TX0;
589 if (dev->phy.rev >= 5) {
590 b43_radio_write(dev,
591 offset | B2056_TX_PADG_IDAC, 0xcc);
592
593 if (dev->dev->chip_id == 0x4716) {
594 bias = 0x40;
595 cbias = 0x45;
596 pag_boost = 0x5;
597 pgag_boost = 0x33;
598 mixg_boost = 0x55;
599 } else {
600 bias = 0x25;
601 cbias = 0x20;
602 pag_boost = 0x4;
603 pgag_boost = 0x03;
604 mixg_boost = 0x65;
605 }
606 padg_boost = 0x77;
607
608 b43_radio_write(dev,
609 offset | B2056_TX_INTPAG_IMAIN_STAT,
610 bias);
611 b43_radio_write(dev,
612 offset | B2056_TX_INTPAG_IAUX_STAT,
613 bias);
614 b43_radio_write(dev,
615 offset | B2056_TX_INTPAG_CASCBIAS,
616 cbias);
617 b43_radio_write(dev,
618 offset | B2056_TX_INTPAG_BOOST_TUNE,
619 pag_boost);
620 b43_radio_write(dev,
621 offset | B2056_TX_PGAG_BOOST_TUNE,
622 pgag_boost);
623 b43_radio_write(dev,
624 offset | B2056_TX_PADG_BOOST_TUNE,
625 padg_boost);
626 b43_radio_write(dev,
627 offset | B2056_TX_MIXG_BOOST_TUNE,
628 mixg_boost);
629 } else {
630 bias = dev->phy.is_40mhz ? 0x40 : 0x20;
631 b43_radio_write(dev,
632 offset | B2056_TX_INTPAG_IMAIN_STAT,
633 bias);
634 b43_radio_write(dev,
635 offset | B2056_TX_INTPAG_IAUX_STAT,
636 bias);
637 b43_radio_write(dev,
638 offset | B2056_TX_INTPAG_CASCBIAS,
639 0x30);
640 }
641 b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
642 }
643 } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
644 /* TODO */
645 }
646
647 udelay(50);
648 /* VCO calibration */
649 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
650 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
651 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
652 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
653 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
654 udelay(300);
655 }
656
b43_radio_init2056_pre(struct b43_wldev * dev)657 static void b43_radio_init2056_pre(struct b43_wldev *dev)
658 {
659 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
660 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
661 /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
662 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
663 B43_NPHY_RFCTL_CMD_OEPORFORCE);
664 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
665 ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
666 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
667 B43_NPHY_RFCTL_CMD_CHIP0PU);
668 }
669
b43_radio_init2056_post(struct b43_wldev * dev)670 static void b43_radio_init2056_post(struct b43_wldev *dev)
671 {
672 b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
673 b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
674 b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
675 msleep(1);
676 b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
677 b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
678 b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
679 /*
680 if (nphy->init_por)
681 Call Radio 2056 Recalibrate
682 */
683 }
684
685 /*
686 * Initialize a Broadcom 2056 N-radio
687 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
688 */
b43_radio_init2056(struct b43_wldev * dev)689 static void b43_radio_init2056(struct b43_wldev *dev)
690 {
691 b43_radio_init2056_pre(dev);
692 b2056_upload_inittabs(dev, 0, 0);
693 b43_radio_init2056_post(dev);
694 }
695
696 /**************************************************
697 * Radio 0x2055
698 **************************************************/
699
b43_chantab_radio_upload(struct b43_wldev * dev,const struct b43_nphy_channeltab_entry_rev2 * e)700 static void b43_chantab_radio_upload(struct b43_wldev *dev,
701 const struct b43_nphy_channeltab_entry_rev2 *e)
702 {
703 b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
704 b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
705 b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
706 b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
707 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
708
709 b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
710 b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
711 b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
712 b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
713 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
714
715 b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
716 b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
717 b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
718 b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
719 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
720
721 b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
722 b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
723 b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
724 b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
725 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
726
727 b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
728 b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
729 b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
730 b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
731 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
732
733 b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
734 b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
735 }
736
737 /* 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)738 static void b43_radio_2055_setup(struct b43_wldev *dev,
739 const struct b43_nphy_channeltab_entry_rev2 *e)
740 {
741 B43_WARN_ON(dev->phy.rev >= 3);
742
743 b43_chantab_radio_upload(dev, e);
744 udelay(50);
745 b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
746 b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
747 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
748 b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
749 udelay(300);
750 }
751
b43_radio_init2055_pre(struct b43_wldev * dev)752 static void b43_radio_init2055_pre(struct b43_wldev *dev)
753 {
754 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
755 ~B43_NPHY_RFCTL_CMD_PORFORCE);
756 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
757 B43_NPHY_RFCTL_CMD_CHIP0PU |
758 B43_NPHY_RFCTL_CMD_OEPORFORCE);
759 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
760 B43_NPHY_RFCTL_CMD_PORFORCE);
761 }
762
b43_radio_init2055_post(struct b43_wldev * dev)763 static void b43_radio_init2055_post(struct b43_wldev *dev)
764 {
765 struct b43_phy_n *nphy = dev->phy.n;
766 struct ssb_sprom *sprom = dev->dev->bus_sprom;
767 int i;
768 u16 val;
769 bool workaround = false;
770
771 if (sprom->revision < 4)
772 workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
773 && dev->dev->board_type == 0x46D
774 && dev->dev->board_rev >= 0x41);
775 else
776 workaround =
777 !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
778
779 b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
780 if (workaround) {
781 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
782 b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
783 }
784 b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
785 b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
786 b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
787 b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
788 b43_radio_set(dev, B2055_CAL_MISC, 0x1);
789 msleep(1);
790 b43_radio_set(dev, B2055_CAL_MISC, 0x40);
791 for (i = 0; i < 200; i++) {
792 val = b43_radio_read(dev, B2055_CAL_COUT2);
793 if (val & 0x80) {
794 i = 0;
795 break;
796 }
797 udelay(10);
798 }
799 if (i)
800 b43err(dev->wl, "radio post init timeout\n");
801 b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
802 b43_switch_channel(dev, dev->phy.channel);
803 b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
804 b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
805 b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
806 b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
807 b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
808 b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
809 if (!nphy->gain_boost) {
810 b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
811 b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
812 } else {
813 b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
814 b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
815 }
816 udelay(2);
817 }
818
819 /*
820 * Initialize a Broadcom 2055 N-radio
821 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
822 */
b43_radio_init2055(struct b43_wldev * dev)823 static void b43_radio_init2055(struct b43_wldev *dev)
824 {
825 b43_radio_init2055_pre(dev);
826 if (b43_status(dev) < B43_STAT_INITIALIZED) {
827 /* Follow wl, not specs. Do not force uploading all regs */
828 b2055_upload_inittab(dev, 0, 0);
829 } else {
830 bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
831 b2055_upload_inittab(dev, ghz5, 0);
832 }
833 b43_radio_init2055_post(dev);
834 }
835
836 /**************************************************
837 * Samples
838 **************************************************/
839
840 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
b43_nphy_load_samples(struct b43_wldev * dev,struct b43_c32 * samples,u16 len)841 static int b43_nphy_load_samples(struct b43_wldev *dev,
842 struct b43_c32 *samples, u16 len) {
843 struct b43_phy_n *nphy = dev->phy.n;
844 u16 i;
845 u32 *data;
846
847 data = kzalloc(len * sizeof(u32), GFP_KERNEL);
848 if (!data) {
849 b43err(dev->wl, "allocation for samples loading failed\n");
850 return -ENOMEM;
851 }
852 if (nphy->hang_avoid)
853 b43_nphy_stay_in_carrier_search(dev, 1);
854
855 for (i = 0; i < len; i++) {
856 data[i] = (samples[i].i & 0x3FF << 10);
857 data[i] |= samples[i].q & 0x3FF;
858 }
859 b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
860
861 kfree(data);
862 if (nphy->hang_avoid)
863 b43_nphy_stay_in_carrier_search(dev, 0);
864 return 0;
865 }
866
867 /* 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)868 static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
869 bool test)
870 {
871 int i;
872 u16 bw, len, rot, angle;
873 struct b43_c32 *samples;
874
875
876 bw = (dev->phy.is_40mhz) ? 40 : 20;
877 len = bw << 3;
878
879 if (test) {
880 if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
881 bw = 82;
882 else
883 bw = 80;
884
885 if (dev->phy.is_40mhz)
886 bw <<= 1;
887
888 len = bw << 1;
889 }
890
891 samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
892 if (!samples) {
893 b43err(dev->wl, "allocation for samples generation failed\n");
894 return 0;
895 }
896 rot = (((freq * 36) / bw) << 16) / 100;
897 angle = 0;
898
899 for (i = 0; i < len; i++) {
900 samples[i] = b43_cordic(angle);
901 angle += rot;
902 samples[i].q = CORDIC_CONVERT(samples[i].q * max);
903 samples[i].i = CORDIC_CONVERT(samples[i].i * max);
904 }
905
906 i = b43_nphy_load_samples(dev, samples, len);
907 kfree(samples);
908 return (i < 0) ? 0 : len;
909 }
910
911 /* 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)912 static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
913 u16 wait, bool iqmode, bool dac_test)
914 {
915 struct b43_phy_n *nphy = dev->phy.n;
916 int i;
917 u16 seq_mode;
918 u32 tmp;
919
920 if (nphy->hang_avoid)
921 b43_nphy_stay_in_carrier_search(dev, true);
922
923 if ((nphy->bb_mult_save & 0x80000000) == 0) {
924 tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
925 nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
926 }
927
928 if (!dev->phy.is_40mhz)
929 tmp = 0x6464;
930 else
931 tmp = 0x4747;
932 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
933
934 if (nphy->hang_avoid)
935 b43_nphy_stay_in_carrier_search(dev, false);
936
937 b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
938
939 if (loops != 0xFFFF)
940 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
941 else
942 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
943
944 b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
945
946 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
947
948 b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
949 if (iqmode) {
950 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
951 b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
952 } else {
953 if (dac_test)
954 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
955 else
956 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
957 }
958 for (i = 0; i < 100; i++) {
959 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
960 i = 0;
961 break;
962 }
963 udelay(10);
964 }
965 if (i)
966 b43err(dev->wl, "run samples timeout\n");
967
968 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
969 }
970
971 /**************************************************
972 * RSSI
973 **************************************************/
974
975 /* 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,u8 rail,enum b43_nphy_rssi_type type)976 static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
977 s8 offset, u8 core, u8 rail,
978 enum b43_nphy_rssi_type type)
979 {
980 u16 tmp;
981 bool core1or5 = (core == 1) || (core == 5);
982 bool core2or5 = (core == 2) || (core == 5);
983
984 offset = clamp_val(offset, -32, 31);
985 tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
986
987 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
988 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
989 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
990 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
991 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Z))
992 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
993 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Z))
994 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
995
996 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
997 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
998 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
999 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
1000 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_X))
1001 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
1002 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_X))
1003 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
1004
1005 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
1006 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
1007 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
1008 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
1009 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_Y))
1010 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
1011 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_Y))
1012 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
1013
1014 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
1015 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
1016 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
1017 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
1018 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_TBD))
1019 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
1020 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_TBD))
1021 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
1022
1023 if (core1or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
1024 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
1025 if (core1or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
1026 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
1027 if (core2or5 && (rail == 0) && (type == B43_NPHY_RSSI_PWRDET))
1028 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
1029 if (core2or5 && (rail == 1) && (type == B43_NPHY_RSSI_PWRDET))
1030 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
1031
1032 if (core1or5 && (type == B43_NPHY_RSSI_TSSI_I))
1033 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
1034 if (core2or5 && (type == B43_NPHY_RSSI_TSSI_I))
1035 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
1036
1037 if (core1or5 && (type == B43_NPHY_RSSI_TSSI_Q))
1038 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
1039 if (core2or5 && (type == B43_NPHY_RSSI_TSSI_Q))
1040 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1041 }
1042
b43_nphy_rev3_rssi_select(struct b43_wldev * dev,u8 code,u8 type)1043 static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1044 {
1045 u8 i;
1046 u16 reg, val;
1047
1048 if (code == 0) {
1049 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
1050 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
1051 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
1052 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
1053 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
1054 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
1055 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
1056 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
1057 } else {
1058 for (i = 0; i < 2; i++) {
1059 if ((code == 1 && i == 1) || (code == 2 && !i))
1060 continue;
1061
1062 reg = (i == 0) ?
1063 B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
1064 b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1065
1066 if (type < 3) {
1067 reg = (i == 0) ?
1068 B43_NPHY_AFECTL_C1 :
1069 B43_NPHY_AFECTL_C2;
1070 b43_phy_maskset(dev, reg, 0xFCFF, 0);
1071
1072 reg = (i == 0) ?
1073 B43_NPHY_RFCTL_LUT_TRSW_UP1 :
1074 B43_NPHY_RFCTL_LUT_TRSW_UP2;
1075 b43_phy_maskset(dev, reg, 0xFFC3, 0);
1076
1077 if (type == 0)
1078 val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
1079 else if (type == 1)
1080 val = 16;
1081 else
1082 val = 32;
1083 b43_phy_set(dev, reg, val);
1084
1085 reg = (i == 0) ?
1086 B43_NPHY_TXF_40CO_B1S0 :
1087 B43_NPHY_TXF_40CO_B32S1;
1088 b43_phy_set(dev, reg, 0x0020);
1089 } else {
1090 if (type == 6)
1091 val = 0x0100;
1092 else if (type == 3)
1093 val = 0x0200;
1094 else
1095 val = 0x0300;
1096
1097 reg = (i == 0) ?
1098 B43_NPHY_AFECTL_C1 :
1099 B43_NPHY_AFECTL_C2;
1100
1101 b43_phy_maskset(dev, reg, 0xFCFF, val);
1102 b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1103
1104 if (type != 3 && type != 6) {
1105 enum ieee80211_band band =
1106 b43_current_band(dev->wl);
1107
1108 if (b43_nphy_ipa(dev))
1109 val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
1110 else
1111 val = 0x11;
1112 reg = (i == 0) ? 0x2000 : 0x3000;
1113 reg |= B2055_PADDRV;
1114 b43_radio_write16(dev, reg, val);
1115
1116 reg = (i == 0) ?
1117 B43_NPHY_AFECTL_OVER1 :
1118 B43_NPHY_AFECTL_OVER;
1119 b43_phy_set(dev, reg, 0x0200);
1120 }
1121 }
1122 }
1123 }
1124 }
1125
b43_nphy_rev2_rssi_select(struct b43_wldev * dev,u8 code,u8 type)1126 static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1127 {
1128 u16 val;
1129
1130 if (type < 3)
1131 val = 0;
1132 else if (type == 6)
1133 val = 1;
1134 else if (type == 3)
1135 val = 2;
1136 else
1137 val = 3;
1138
1139 val = (val << 12) | (val << 14);
1140 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
1141 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
1142
1143 if (type < 3) {
1144 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1145 (type + 1) << 4);
1146 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1147 (type + 1) << 4);
1148 }
1149
1150 if (code == 0) {
1151 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
1152 if (type < 3) {
1153 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1154 ~(B43_NPHY_RFCTL_CMD_RXEN |
1155 B43_NPHY_RFCTL_CMD_CORESEL));
1156 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1157 ~(0x1 << 12 |
1158 0x1 << 5 |
1159 0x1 << 1 |
1160 0x1));
1161 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1162 ~B43_NPHY_RFCTL_CMD_START);
1163 udelay(20);
1164 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1165 }
1166 } else {
1167 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
1168 if (type < 3) {
1169 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
1170 ~(B43_NPHY_RFCTL_CMD_RXEN |
1171 B43_NPHY_RFCTL_CMD_CORESEL),
1172 (B43_NPHY_RFCTL_CMD_RXEN |
1173 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
1174 b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
1175 (0x1 << 12 |
1176 0x1 << 5 |
1177 0x1 << 1 |
1178 0x1));
1179 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1180 B43_NPHY_RFCTL_CMD_START);
1181 udelay(20);
1182 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1183 }
1184 }
1185 }
1186
1187 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
b43_nphy_rssi_select(struct b43_wldev * dev,u8 code,u8 type)1188 static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, u8 type)
1189 {
1190 if (dev->phy.rev >= 3)
1191 b43_nphy_rev3_rssi_select(dev, code, type);
1192 else
1193 b43_nphy_rev2_rssi_select(dev, code, type);
1194 }
1195
1196 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
b43_nphy_set_rssi_2055_vcm(struct b43_wldev * dev,u8 type,u8 * buf)1197 static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, u8 type, u8 *buf)
1198 {
1199 int i;
1200 for (i = 0; i < 2; i++) {
1201 if (type == 2) {
1202 if (i == 0) {
1203 b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
1204 0xFC, buf[0]);
1205 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1206 0xFC, buf[1]);
1207 } else {
1208 b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
1209 0xFC, buf[2 * i]);
1210 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1211 0xFC, buf[2 * i + 1]);
1212 }
1213 } else {
1214 if (i == 0)
1215 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1216 0xF3, buf[0] << 2);
1217 else
1218 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1219 0xF3, buf[2 * i + 1] << 2);
1220 }
1221 }
1222 }
1223
1224 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
b43_nphy_poll_rssi(struct b43_wldev * dev,u8 type,s32 * buf,u8 nsamp)1225 static int b43_nphy_poll_rssi(struct b43_wldev *dev, u8 type, s32 *buf,
1226 u8 nsamp)
1227 {
1228 int i;
1229 int out;
1230 u16 save_regs_phy[9];
1231 u16 s[2];
1232
1233 if (dev->phy.rev >= 3) {
1234 save_regs_phy[0] = b43_phy_read(dev,
1235 B43_NPHY_RFCTL_LUT_TRSW_UP1);
1236 save_regs_phy[1] = b43_phy_read(dev,
1237 B43_NPHY_RFCTL_LUT_TRSW_UP2);
1238 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1239 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1240 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
1241 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1242 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
1243 save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
1244 save_regs_phy[8] = 0;
1245 } else {
1246 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1247 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1248 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1249 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
1250 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
1251 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
1252 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
1253 save_regs_phy[7] = 0;
1254 save_regs_phy[8] = 0;
1255 }
1256
1257 b43_nphy_rssi_select(dev, 5, type);
1258
1259 if (dev->phy.rev < 2) {
1260 save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
1261 b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
1262 }
1263
1264 for (i = 0; i < 4; i++)
1265 buf[i] = 0;
1266
1267 for (i = 0; i < nsamp; i++) {
1268 if (dev->phy.rev < 2) {
1269 s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
1270 s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
1271 } else {
1272 s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
1273 s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
1274 }
1275
1276 buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
1277 buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
1278 buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
1279 buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
1280 }
1281 out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
1282 (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
1283
1284 if (dev->phy.rev < 2)
1285 b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
1286
1287 if (dev->phy.rev >= 3) {
1288 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
1289 save_regs_phy[0]);
1290 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1291 save_regs_phy[1]);
1292 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[2]);
1293 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[3]);
1294 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
1295 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
1296 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
1297 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
1298 } else {
1299 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
1300 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1301 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
1302 b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
1303 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
1304 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
1305 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
1306 }
1307
1308 return out;
1309 }
1310
1311 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
b43_nphy_rev2_rssi_cal(struct b43_wldev * dev,u8 type)1312 static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, u8 type)
1313 {
1314 int i, j;
1315 u8 state[4];
1316 u8 code, val;
1317 u16 class, override;
1318 u8 regs_save_radio[2];
1319 u16 regs_save_phy[2];
1320
1321 s8 offset[4];
1322 u8 core;
1323 u8 rail;
1324
1325 u16 clip_state[2];
1326 u16 clip_off[2] = { 0xFFFF, 0xFFFF };
1327 s32 results_min[4] = { };
1328 u8 vcm_final[4] = { };
1329 s32 results[4][4] = { };
1330 s32 miniq[4][2] = { };
1331
1332 if (type == 2) {
1333 code = 0;
1334 val = 6;
1335 } else if (type < 2) {
1336 code = 25;
1337 val = 4;
1338 } else {
1339 B43_WARN_ON(1);
1340 return;
1341 }
1342
1343 class = b43_nphy_classifier(dev, 0, 0);
1344 b43_nphy_classifier(dev, 7, 4);
1345 b43_nphy_read_clip_detection(dev, clip_state);
1346 b43_nphy_write_clip_detection(dev, clip_off);
1347
1348 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
1349 override = 0x140;
1350 else
1351 override = 0x110;
1352
1353 regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
1354 regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
1355 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
1356 b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
1357
1358 regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1359 regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
1360 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
1361 b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
1362
1363 state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
1364 state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
1365 b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
1366 b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
1367 state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
1368 state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
1369
1370 b43_nphy_rssi_select(dev, 5, type);
1371 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 0, type);
1372 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, 1, type);
1373
1374 for (i = 0; i < 4; i++) {
1375 u8 tmp[4];
1376 for (j = 0; j < 4; j++)
1377 tmp[j] = i;
1378 if (type != 1)
1379 b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
1380 b43_nphy_poll_rssi(dev, type, results[i], 8);
1381 if (type < 2)
1382 for (j = 0; j < 2; j++)
1383 miniq[i][j] = min(results[i][2 * j],
1384 results[i][2 * j + 1]);
1385 }
1386
1387 for (i = 0; i < 4; i++) {
1388 s32 mind = 40;
1389 u8 minvcm = 0;
1390 s32 minpoll = 249;
1391 s32 curr;
1392 for (j = 0; j < 4; j++) {
1393 if (type == 2)
1394 curr = abs(results[j][i]);
1395 else
1396 curr = abs(miniq[j][i / 2] - code * 8);
1397
1398 if (curr < mind) {
1399 mind = curr;
1400 minvcm = j;
1401 }
1402
1403 if (results[j][i] < minpoll)
1404 minpoll = results[j][i];
1405 }
1406 results_min[i] = minpoll;
1407 vcm_final[i] = minvcm;
1408 }
1409
1410 if (type != 1)
1411 b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
1412
1413 for (i = 0; i < 4; i++) {
1414 offset[i] = (code * 8) - results[vcm_final[i]][i];
1415
1416 if (offset[i] < 0)
1417 offset[i] = -((abs(offset[i]) + 4) / 8);
1418 else
1419 offset[i] = (offset[i] + 4) / 8;
1420
1421 if (results_min[i] == 248)
1422 offset[i] = code - 32;
1423
1424 core = (i / 2) ? 2 : 1;
1425 rail = (i % 2) ? 1 : 0;
1426
1427 b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
1428 type);
1429 }
1430
1431 b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
1432 b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
1433
1434 switch (state[2]) {
1435 case 1:
1436 b43_nphy_rssi_select(dev, 1, 2);
1437 break;
1438 case 4:
1439 b43_nphy_rssi_select(dev, 1, 0);
1440 break;
1441 case 2:
1442 b43_nphy_rssi_select(dev, 1, 1);
1443 break;
1444 default:
1445 b43_nphy_rssi_select(dev, 1, 1);
1446 break;
1447 }
1448
1449 switch (state[3]) {
1450 case 1:
1451 b43_nphy_rssi_select(dev, 2, 2);
1452 break;
1453 case 4:
1454 b43_nphy_rssi_select(dev, 2, 0);
1455 break;
1456 default:
1457 b43_nphy_rssi_select(dev, 2, 1);
1458 break;
1459 }
1460
1461 b43_nphy_rssi_select(dev, 0, type);
1462
1463 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
1464 b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
1465 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
1466 b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
1467
1468 b43_nphy_classifier(dev, 7, class);
1469 b43_nphy_write_clip_detection(dev, clip_state);
1470 /* Specs don't say about reset here, but it makes wl and b43 dumps
1471 identical, it really seems wl performs this */
1472 b43_nphy_reset_cca(dev);
1473 }
1474
1475 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
b43_nphy_rev3_rssi_cal(struct b43_wldev * dev)1476 static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
1477 {
1478 /* TODO */
1479 }
1480
1481 /*
1482 * RSSI Calibration
1483 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
1484 */
b43_nphy_rssi_cal(struct b43_wldev * dev)1485 static void b43_nphy_rssi_cal(struct b43_wldev *dev)
1486 {
1487 if (dev->phy.rev >= 3) {
1488 b43_nphy_rev3_rssi_cal(dev);
1489 } else {
1490 b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Z);
1491 b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_X);
1492 b43_nphy_rev2_rssi_cal(dev, B43_NPHY_RSSI_Y);
1493 }
1494 }
1495
1496 /**************************************************
1497 * Workarounds
1498 **************************************************/
1499
b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev * dev)1500 static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
1501 {
1502 struct ssb_sprom *sprom = dev->dev->bus_sprom;
1503
1504 bool ghz5;
1505 bool ext_lna;
1506 u16 rssi_gain;
1507 struct nphy_gain_ctl_workaround_entry *e;
1508 u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
1509 u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
1510
1511 /* Prepare values */
1512 ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
1513 & B43_NPHY_BANDCTL_5GHZ;
1514 ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
1515 sprom->boardflags_lo & B43_BFL_EXTLNA;
1516 e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
1517 if (ghz5 && dev->phy.rev >= 5)
1518 rssi_gain = 0x90;
1519 else
1520 rssi_gain = 0x50;
1521
1522 b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
1523
1524 /* Set Clip 2 detect */
1525 b43_phy_set(dev, B43_NPHY_C1_CGAINI,
1526 B43_NPHY_C1_CGAINI_CL2DETECT);
1527 b43_phy_set(dev, B43_NPHY_C2_CGAINI,
1528 B43_NPHY_C2_CGAINI_CL2DETECT);
1529
1530 b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1531 0x17);
1532 b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1533 0x17);
1534 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
1535 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
1536 b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
1537 b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
1538 b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
1539 rssi_gain);
1540 b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
1541 rssi_gain);
1542 b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
1543 0x17);
1544 b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
1545 0x17);
1546 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
1547 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
1548
1549 b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
1550 b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
1551 b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
1552 b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
1553 b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
1554 b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
1555 b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
1556 b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
1557 b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
1558 b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
1559 b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
1560 b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
1561
1562 b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
1563 b43_phy_write(dev, 0x2A7, e->init_gain);
1564 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
1565 e->rfseq_init);
1566
1567 /* TODO: check defines. Do not match variables names */
1568 b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
1569 b43_phy_write(dev, 0x2A9, e->cliphi_gain);
1570 b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
1571 b43_phy_write(dev, 0x2AB, e->clipmd_gain);
1572 b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
1573 b43_phy_write(dev, 0x2AD, e->cliplo_gain);
1574
1575 b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
1576 b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
1577 b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
1578 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
1579 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
1580 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
1581 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
1582 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
1583 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
1584 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
1585 }
1586
b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev * dev)1587 static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
1588 {
1589 struct b43_phy_n *nphy = dev->phy.n;
1590
1591 u8 i, j;
1592 u8 code;
1593 u16 tmp;
1594 u8 rfseq_events[3] = { 6, 8, 7 };
1595 u8 rfseq_delays[3] = { 10, 30, 1 };
1596
1597 /* Set Clip 2 detect */
1598 b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
1599 b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
1600
1601 /* Set narrowband clip threshold */
1602 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
1603 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
1604
1605 if (!dev->phy.is_40mhz) {
1606 /* Set dwell lengths */
1607 b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
1608 b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
1609 b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
1610 b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
1611 }
1612
1613 /* Set wideband clip 2 threshold */
1614 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
1615 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
1616 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
1617 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
1618
1619 if (!dev->phy.is_40mhz) {
1620 b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
1621 ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
1622 b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
1623 ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
1624 b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
1625 ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
1626 b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
1627 ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
1628 }
1629
1630 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
1631
1632 if (nphy->gain_boost) {
1633 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
1634 dev->phy.is_40mhz)
1635 code = 4;
1636 else
1637 code = 5;
1638 } else {
1639 code = dev->phy.is_40mhz ? 6 : 7;
1640 }
1641
1642 /* Set HPVGA2 index */
1643 b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
1644 code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
1645 b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
1646 code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
1647
1648 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
1649 /* specs say about 2 loops, but wl does 4 */
1650 for (i = 0; i < 4; i++)
1651 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
1652
1653 b43_nphy_adjust_lna_gain_table(dev);
1654
1655 if (nphy->elna_gain_config) {
1656 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
1657 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
1658 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1659 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1660 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1661
1662 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
1663 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
1664 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1665 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1666 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
1667
1668 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
1669 /* specs say about 2 loops, but wl does 4 */
1670 for (i = 0; i < 4; i++)
1671 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
1672 (code << 8 | 0x74));
1673 }
1674
1675 if (dev->phy.rev == 2) {
1676 for (i = 0; i < 4; i++) {
1677 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
1678 (0x0400 * i) + 0x0020);
1679 for (j = 0; j < 21; j++) {
1680 tmp = j * (i < 2 ? 3 : 1);
1681 b43_phy_write(dev,
1682 B43_NPHY_TABLE_DATALO, tmp);
1683 }
1684 }
1685 }
1686
1687 b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
1688 b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
1689 ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
1690 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
1691
1692 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
1693 b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
1694 }
1695
1696 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
b43_nphy_gain_ctl_workarounds(struct b43_wldev * dev)1697 static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
1698 {
1699 if (dev->phy.rev >= 3)
1700 b43_nphy_gain_ctl_workarounds_rev3plus(dev);
1701 else
1702 b43_nphy_gain_ctl_workarounds_rev1_2(dev);
1703 }
1704
b43_nphy_workarounds_rev3plus(struct b43_wldev * dev)1705 static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
1706 {
1707 struct b43_phy_n *nphy = dev->phy.n;
1708 struct ssb_sprom *sprom = dev->dev->bus_sprom;
1709
1710 /* TX to RX */
1711 u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
1712 u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
1713 /* RX to TX */
1714 u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
1715 0x1F };
1716 u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
1717 u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
1718 u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
1719
1720 u16 tmp16;
1721 u32 tmp32;
1722
1723 b43_phy_write(dev, 0x23f, 0x1f8);
1724 b43_phy_write(dev, 0x240, 0x1f8);
1725
1726 tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
1727 tmp32 &= 0xffffff;
1728 b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
1729
1730 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
1731 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
1732 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
1733 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
1734 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
1735 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
1736
1737 b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
1738 b43_phy_write(dev, 0x2AE, 0x000C);
1739
1740 /* TX to RX */
1741 b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
1742 ARRAY_SIZE(tx2rx_events));
1743
1744 /* RX to TX */
1745 if (b43_nphy_ipa(dev))
1746 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
1747 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
1748 if (nphy->hw_phyrxchain != 3 &&
1749 nphy->hw_phyrxchain != nphy->hw_phytxchain) {
1750 if (b43_nphy_ipa(dev)) {
1751 rx2tx_delays[5] = 59;
1752 rx2tx_delays[6] = 1;
1753 rx2tx_events[7] = 0x1F;
1754 }
1755 b43_nphy_set_rf_sequence(dev, 1, rx2tx_events, rx2tx_delays,
1756 ARRAY_SIZE(rx2tx_events));
1757 }
1758
1759 tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
1760 0x2 : 0x9C40;
1761 b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
1762
1763 b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
1764
1765 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
1766 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
1767
1768 b43_nphy_gain_ctl_workarounds(dev);
1769
1770 b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
1771 b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
1772
1773 /* TODO */
1774
1775 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
1776 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
1777 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
1778 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
1779 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
1780 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
1781 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
1782 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
1783 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
1784 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
1785 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
1786 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
1787
1788 /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
1789
1790 if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
1791 b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
1792 (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
1793 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
1794 tmp32 = 0x00088888;
1795 else
1796 tmp32 = 0x88888888;
1797 b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
1798 b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
1799 b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
1800
1801 if (dev->phy.rev == 4 &&
1802 b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1803 b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
1804 0x70);
1805 b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
1806 0x70);
1807 }
1808
1809 b43_phy_write(dev, 0x224, 0x03eb);
1810 b43_phy_write(dev, 0x225, 0x03eb);
1811 b43_phy_write(dev, 0x226, 0x0341);
1812 b43_phy_write(dev, 0x227, 0x0341);
1813 b43_phy_write(dev, 0x228, 0x042b);
1814 b43_phy_write(dev, 0x229, 0x042b);
1815 b43_phy_write(dev, 0x22a, 0x0381);
1816 b43_phy_write(dev, 0x22b, 0x0381);
1817 b43_phy_write(dev, 0x22c, 0x042b);
1818 b43_phy_write(dev, 0x22d, 0x042b);
1819 b43_phy_write(dev, 0x22e, 0x0381);
1820 b43_phy_write(dev, 0x22f, 0x0381);
1821 }
1822
b43_nphy_workarounds_rev1_2(struct b43_wldev * dev)1823 static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
1824 {
1825 struct ssb_sprom *sprom = dev->dev->bus_sprom;
1826 struct b43_phy *phy = &dev->phy;
1827 struct b43_phy_n *nphy = phy->n;
1828
1829 u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
1830 u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
1831
1832 u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
1833 u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
1834
1835 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
1836 nphy->band5g_pwrgain) {
1837 b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
1838 b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
1839 } else {
1840 b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
1841 b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
1842 }
1843
1844 b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
1845 b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
1846 b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
1847 b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
1848
1849 if (dev->phy.rev < 2) {
1850 b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
1851 b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
1852 b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
1853 b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
1854 b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
1855 b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
1856 }
1857
1858 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
1859 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
1860 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
1861 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
1862
1863 if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD &&
1864 dev->dev->board_type == 0x8B) {
1865 delays1[0] = 0x1;
1866 delays1[5] = 0x14;
1867 }
1868 b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
1869 b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
1870
1871 b43_nphy_gain_ctl_workarounds(dev);
1872
1873 if (dev->phy.rev < 2) {
1874 if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
1875 b43_hf_write(dev, b43_hf_read(dev) |
1876 B43_HF_MLADVW);
1877 } else if (dev->phy.rev == 2) {
1878 b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
1879 b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
1880 }
1881
1882 if (dev->phy.rev < 2)
1883 b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
1884 ~B43_NPHY_SCRAM_SIGCTL_SCM);
1885
1886 /* Set phase track alpha and beta */
1887 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
1888 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
1889 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
1890 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
1891 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
1892 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
1893
1894 b43_phy_mask(dev, B43_NPHY_PIL_DW1,
1895 ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
1896 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
1897 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
1898 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
1899
1900 if (dev->phy.rev == 2)
1901 b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
1902 B43_NPHY_FINERX2_CGC_DECGC);
1903 }
1904
1905 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
b43_nphy_workarounds(struct b43_wldev * dev)1906 static void b43_nphy_workarounds(struct b43_wldev *dev)
1907 {
1908 struct b43_phy *phy = &dev->phy;
1909 struct b43_phy_n *nphy = phy->n;
1910
1911 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
1912 b43_nphy_classifier(dev, 1, 0);
1913 else
1914 b43_nphy_classifier(dev, 1, 1);
1915
1916 if (nphy->hang_avoid)
1917 b43_nphy_stay_in_carrier_search(dev, 1);
1918
1919 b43_phy_set(dev, B43_NPHY_IQFLIP,
1920 B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
1921
1922 if (dev->phy.rev >= 3)
1923 b43_nphy_workarounds_rev3plus(dev);
1924 else
1925 b43_nphy_workarounds_rev1_2(dev);
1926
1927 if (nphy->hang_avoid)
1928 b43_nphy_stay_in_carrier_search(dev, 0);
1929 }
1930
1931 /**************************************************
1932 * Tx/Rx common
1933 **************************************************/
1934
1935 /*
1936 * Transmits a known value for LO calibration
1937 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
1938 */
b43_nphy_tx_tone(struct b43_wldev * dev,u32 freq,u16 max_val,bool iqmode,bool dac_test)1939 static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
1940 bool iqmode, bool dac_test)
1941 {
1942 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
1943 if (samp == 0)
1944 return -1;
1945 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
1946 return 0;
1947 }
1948
1949 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
b43_nphy_update_txrx_chain(struct b43_wldev * dev)1950 static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
1951 {
1952 struct b43_phy_n *nphy = dev->phy.n;
1953
1954 bool override = false;
1955 u16 chain = 0x33;
1956
1957 if (nphy->txrx_chain == 0) {
1958 chain = 0x11;
1959 override = true;
1960 } else if (nphy->txrx_chain == 1) {
1961 chain = 0x22;
1962 override = true;
1963 }
1964
1965 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
1966 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
1967 chain);
1968
1969 if (override)
1970 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
1971 B43_NPHY_RFSEQMODE_CAOVER);
1972 else
1973 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
1974 ~B43_NPHY_RFSEQMODE_CAOVER);
1975 }
1976
1977 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
b43_nphy_stop_playback(struct b43_wldev * dev)1978 static void b43_nphy_stop_playback(struct b43_wldev *dev)
1979 {
1980 struct b43_phy_n *nphy = dev->phy.n;
1981 u16 tmp;
1982
1983 if (nphy->hang_avoid)
1984 b43_nphy_stay_in_carrier_search(dev, 1);
1985
1986 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
1987 if (tmp & 0x1)
1988 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
1989 else if (tmp & 0x2)
1990 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1991
1992 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
1993
1994 if (nphy->bb_mult_save & 0x80000000) {
1995 tmp = nphy->bb_mult_save & 0xFFFF;
1996 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1997 nphy->bb_mult_save = 0;
1998 }
1999
2000 if (nphy->hang_avoid)
2001 b43_nphy_stay_in_carrier_search(dev, 0);
2002 }
2003
2004 /* 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)2005 static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2006 struct nphy_txgains target,
2007 struct nphy_iqcal_params *params)
2008 {
2009 int i, j, indx;
2010 u16 gain;
2011
2012 if (dev->phy.rev >= 3) {
2013 params->txgm = target.txgm[core];
2014 params->pga = target.pga[core];
2015 params->pad = target.pad[core];
2016 params->ipa = target.ipa[core];
2017 params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2018 (params->pad << 4) | (params->ipa);
2019 for (j = 0; j < 5; j++)
2020 params->ncorr[j] = 0x79;
2021 } else {
2022 gain = (target.pad[core]) | (target.pga[core] << 4) |
2023 (target.txgm[core] << 8);
2024
2025 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2026 1 : 0;
2027 for (i = 0; i < 9; i++)
2028 if (tbl_iqcal_gainparams[indx][i][0] == gain)
2029 break;
2030 i = min(i, 8);
2031
2032 params->txgm = tbl_iqcal_gainparams[indx][i][1];
2033 params->pga = tbl_iqcal_gainparams[indx][i][2];
2034 params->pad = tbl_iqcal_gainparams[indx][i][3];
2035 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2036 (params->pad << 2);
2037 for (j = 0; j < 4; j++)
2038 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2039 }
2040 }
2041
2042 /**************************************************
2043 * Tx and Rx
2044 **************************************************/
2045
b43_nphy_set_rxantenna(struct b43_wldev * dev,int antenna)2046 void b43_nphy_set_rxantenna(struct b43_wldev *dev, int antenna)
2047 {//TODO
2048 }
2049
b43_nphy_op_adjust_txpower(struct b43_wldev * dev)2050 static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
2051 {//TODO
2052 }
2053
b43_nphy_op_recalc_txpower(struct b43_wldev * dev,bool ignore_tssi)2054 static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
2055 bool ignore_tssi)
2056 {//TODO
2057 return B43_TXPWR_RES_DONE;
2058 }
2059
2060 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
b43_nphy_tx_power_ctrl(struct b43_wldev * dev,bool enable)2061 static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
2062 {
2063 struct b43_phy_n *nphy = dev->phy.n;
2064 u8 i;
2065 u16 bmask, val, tmp;
2066 enum ieee80211_band band = b43_current_band(dev->wl);
2067
2068 if (nphy->hang_avoid)
2069 b43_nphy_stay_in_carrier_search(dev, 1);
2070
2071 nphy->txpwrctrl = enable;
2072 if (!enable) {
2073 if (dev->phy.rev >= 3 &&
2074 (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
2075 (B43_NPHY_TXPCTL_CMD_COEFF |
2076 B43_NPHY_TXPCTL_CMD_HWPCTLEN |
2077 B43_NPHY_TXPCTL_CMD_PCTLEN))) {
2078 /* We disable enabled TX pwr ctl, save it's state */
2079 nphy->tx_pwr_idx[0] = b43_phy_read(dev,
2080 B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
2081 nphy->tx_pwr_idx[1] = b43_phy_read(dev,
2082 B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
2083 }
2084
2085 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
2086 for (i = 0; i < 84; i++)
2087 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
2088
2089 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
2090 for (i = 0; i < 84; i++)
2091 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
2092
2093 tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2094 if (dev->phy.rev >= 3)
2095 tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2096 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
2097
2098 if (dev->phy.rev >= 3) {
2099 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
2100 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
2101 } else {
2102 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
2103 }
2104
2105 if (dev->phy.rev == 2)
2106 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
2107 ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
2108 else if (dev->phy.rev < 2)
2109 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
2110 ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
2111
2112 if (dev->phy.rev < 2 && dev->phy.is_40mhz)
2113 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
2114 } else {
2115 b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
2116 nphy->adj_pwr_tbl);
2117 b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
2118 nphy->adj_pwr_tbl);
2119
2120 bmask = B43_NPHY_TXPCTL_CMD_COEFF |
2121 B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2122 /* wl does useless check for "enable" param here */
2123 val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2124 if (dev->phy.rev >= 3) {
2125 bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2126 if (val)
2127 val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2128 }
2129 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
2130
2131 if (band == IEEE80211_BAND_5GHZ) {
2132 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
2133 ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
2134 if (dev->phy.rev > 1)
2135 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
2136 ~B43_NPHY_TXPCTL_INIT_PIDXI1,
2137 0x64);
2138 }
2139
2140 if (dev->phy.rev >= 3) {
2141 if (nphy->tx_pwr_idx[0] != 128 &&
2142 nphy->tx_pwr_idx[1] != 128) {
2143 /* Recover TX pwr ctl state */
2144 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
2145 ~B43_NPHY_TXPCTL_CMD_INIT,
2146 nphy->tx_pwr_idx[0]);
2147 if (dev->phy.rev > 1)
2148 b43_phy_maskset(dev,
2149 B43_NPHY_TXPCTL_INIT,
2150 ~0xff, nphy->tx_pwr_idx[1]);
2151 }
2152 }
2153
2154 if (dev->phy.rev >= 3) {
2155 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
2156 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
2157 } else {
2158 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
2159 }
2160
2161 if (dev->phy.rev == 2)
2162 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
2163 else if (dev->phy.rev < 2)
2164 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
2165
2166 if (dev->phy.rev < 2 && dev->phy.is_40mhz)
2167 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
2168
2169 if (b43_nphy_ipa(dev)) {
2170 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
2171 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
2172 }
2173 }
2174
2175 if (nphy->hang_avoid)
2176 b43_nphy_stay_in_carrier_search(dev, 0);
2177 }
2178
2179 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
b43_nphy_tx_power_fix(struct b43_wldev * dev)2180 static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
2181 {
2182 struct b43_phy_n *nphy = dev->phy.n;
2183 struct ssb_sprom *sprom = dev->dev->bus_sprom;
2184
2185 u8 txpi[2], bbmult, i;
2186 u16 tmp, radio_gain, dac_gain;
2187 u16 freq = dev->phy.channel_freq;
2188 u32 txgain;
2189 /* u32 gaintbl; rev3+ */
2190
2191 if (nphy->hang_avoid)
2192 b43_nphy_stay_in_carrier_search(dev, 1);
2193
2194 if (dev->phy.rev >= 7) {
2195 txpi[0] = txpi[1] = 30;
2196 } else if (dev->phy.rev >= 3) {
2197 txpi[0] = 40;
2198 txpi[1] = 40;
2199 } else if (sprom->revision < 4) {
2200 txpi[0] = 72;
2201 txpi[1] = 72;
2202 } else {
2203 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2204 txpi[0] = sprom->txpid2g[0];
2205 txpi[1] = sprom->txpid2g[1];
2206 } else if (freq >= 4900 && freq < 5100) {
2207 txpi[0] = sprom->txpid5gl[0];
2208 txpi[1] = sprom->txpid5gl[1];
2209 } else if (freq >= 5100 && freq < 5500) {
2210 txpi[0] = sprom->txpid5g[0];
2211 txpi[1] = sprom->txpid5g[1];
2212 } else if (freq >= 5500) {
2213 txpi[0] = sprom->txpid5gh[0];
2214 txpi[1] = sprom->txpid5gh[1];
2215 } else {
2216 txpi[0] = 91;
2217 txpi[1] = 91;
2218 }
2219 }
2220 if (dev->phy.rev < 7 &&
2221 (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
2222 txpi[0] = txpi[1] = 91;
2223
2224 /*
2225 for (i = 0; i < 2; i++) {
2226 nphy->txpwrindex[i].index_internal = txpi[i];
2227 nphy->txpwrindex[i].index_internal_save = txpi[i];
2228 }
2229 */
2230
2231 for (i = 0; i < 2; i++) {
2232 if (dev->phy.rev >= 3) {
2233 if (b43_nphy_ipa(dev)) {
2234 txgain = *(b43_nphy_get_ipa_gain_table(dev) +
2235 txpi[i]);
2236 } else if (b43_current_band(dev->wl) ==
2237 IEEE80211_BAND_5GHZ) {
2238 /* FIXME: use 5GHz tables */
2239 txgain =
2240 b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
2241 } else {
2242 if (dev->phy.rev >= 5 &&
2243 sprom->fem.ghz5.extpa_gain == 3)
2244 ; /* FIXME: 5GHz_txgain_HiPwrEPA */
2245 txgain =
2246 b43_ntab_tx_gain_rev3plus_2ghz[txpi[i]];
2247 }
2248 radio_gain = (txgain >> 16) & 0x1FFFF;
2249 } else {
2250 txgain = b43_ntab_tx_gain_rev0_1_2[txpi[i]];
2251 radio_gain = (txgain >> 16) & 0x1FFF;
2252 }
2253
2254 if (dev->phy.rev >= 7)
2255 dac_gain = (txgain >> 8) & 0x7;
2256 else
2257 dac_gain = (txgain >> 8) & 0x3F;
2258 bbmult = txgain & 0xFF;
2259
2260 if (dev->phy.rev >= 3) {
2261 if (i == 0)
2262 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
2263 else
2264 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
2265 } else {
2266 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
2267 }
2268
2269 if (i == 0)
2270 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
2271 else
2272 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
2273
2274 b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
2275
2276 tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
2277 if (i == 0)
2278 tmp = (tmp & 0x00FF) | (bbmult << 8);
2279 else
2280 tmp = (tmp & 0xFF00) | bbmult;
2281 b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
2282
2283 if (b43_nphy_ipa(dev)) {
2284 u32 tmp32;
2285 u16 reg = (i == 0) ?
2286 B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
2287 tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
2288 576 + txpi[i]));
2289 b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
2290 b43_phy_set(dev, reg, 0x4);
2291 }
2292 }
2293
2294 b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
2295
2296 if (nphy->hang_avoid)
2297 b43_nphy_stay_in_carrier_search(dev, 0);
2298 }
2299
b43_nphy_ipa_internal_tssi_setup(struct b43_wldev * dev)2300 static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
2301 {
2302 struct b43_phy *phy = &dev->phy;
2303
2304 u8 core;
2305 u16 r; /* routing */
2306
2307 if (phy->rev >= 7) {
2308 for (core = 0; core < 2; core++) {
2309 r = core ? 0x190 : 0x170;
2310 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2311 b43_radio_write(dev, r + 0x5, 0x5);
2312 b43_radio_write(dev, r + 0x9, 0xE);
2313 if (phy->rev != 5)
2314 b43_radio_write(dev, r + 0xA, 0);
2315 if (phy->rev != 7)
2316 b43_radio_write(dev, r + 0xB, 1);
2317 else
2318 b43_radio_write(dev, r + 0xB, 0x31);
2319 } else {
2320 b43_radio_write(dev, r + 0x5, 0x9);
2321 b43_radio_write(dev, r + 0x9, 0xC);
2322 b43_radio_write(dev, r + 0xB, 0x0);
2323 if (phy->rev != 5)
2324 b43_radio_write(dev, r + 0xA, 1);
2325 else
2326 b43_radio_write(dev, r + 0xA, 0x31);
2327 }
2328 b43_radio_write(dev, r + 0x6, 0);
2329 b43_radio_write(dev, r + 0x7, 0);
2330 b43_radio_write(dev, r + 0x8, 3);
2331 b43_radio_write(dev, r + 0xC, 0);
2332 }
2333 } else {
2334 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
2335 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
2336 else
2337 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
2338 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
2339 b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
2340
2341 for (core = 0; core < 2; core++) {
2342 r = core ? B2056_TX1 : B2056_TX0;
2343
2344 b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
2345 b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
2346 b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
2347 b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
2348 b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
2349 b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
2350 b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
2351 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2352 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
2353 0x5);
2354 if (phy->rev != 5)
2355 b43_radio_write(dev, r | B2056_TX_TSSIA,
2356 0x00);
2357 if (phy->rev >= 5)
2358 b43_radio_write(dev, r | B2056_TX_TSSIG,
2359 0x31);
2360 else
2361 b43_radio_write(dev, r | B2056_TX_TSSIG,
2362 0x11);
2363 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
2364 0xE);
2365 } else {
2366 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
2367 0x9);
2368 b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
2369 b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
2370 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
2371 0xC);
2372 }
2373 }
2374 }
2375 }
2376
2377 /*
2378 * Stop radio and transmit known signal. Then check received signal strength to
2379 * get TSSI (Transmit Signal Strength Indicator).
2380 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
2381 */
b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev * dev)2382 static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
2383 {
2384 struct b43_phy *phy = &dev->phy;
2385 struct b43_phy_n *nphy = dev->phy.n;
2386
2387 u32 tmp;
2388 s32 rssi[4] = { };
2389
2390 /* TODO: check if we can transmit */
2391
2392 if (b43_nphy_ipa(dev))
2393 b43_nphy_ipa_internal_tssi_setup(dev);
2394
2395 if (phy->rev >= 7)
2396 ; /* TODO: Override Rev7 with 0x2000, 0, 3, 0, 0 as arguments */
2397 else if (phy->rev >= 3)
2398 b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
2399
2400 b43_nphy_stop_playback(dev);
2401 b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
2402 udelay(20);
2403 tmp = b43_nphy_poll_rssi(dev, 4, rssi, 1);
2404 b43_nphy_stop_playback(dev);
2405 b43_nphy_rssi_select(dev, 0, 0);
2406
2407 if (phy->rev >= 7)
2408 ; /* TODO: Override Rev7 with 0x2000, 0, 3, 1, 0 as arguments */
2409 else if (phy->rev >= 3)
2410 b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
2411
2412 if (phy->rev >= 3) {
2413 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
2414 nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
2415 } else {
2416 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
2417 nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
2418 }
2419 nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
2420 nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
2421 }
2422
b43_nphy_tx_gain_table_upload(struct b43_wldev * dev)2423 static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
2424 {
2425 struct b43_phy *phy = &dev->phy;
2426
2427 const u32 *table = NULL;
2428 #if 0
2429 TODO: b43_ntab_papd_pga_gain_delta_ipa_2*
2430 u32 rfpwr_offset;
2431 u8 pga_gain;
2432 int i;
2433 #endif
2434
2435 if (phy->rev >= 3) {
2436 if (b43_nphy_ipa(dev)) {
2437 table = b43_nphy_get_ipa_gain_table(dev);
2438 } else {
2439 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2440 if (phy->rev == 3)
2441 table = b43_ntab_tx_gain_rev3_5ghz;
2442 if (phy->rev == 4)
2443 table = b43_ntab_tx_gain_rev4_5ghz;
2444 else
2445 table = b43_ntab_tx_gain_rev5plus_5ghz;
2446 } else {
2447 table = b43_ntab_tx_gain_rev3plus_2ghz;
2448 }
2449 }
2450 } else {
2451 table = b43_ntab_tx_gain_rev0_1_2;
2452 }
2453 b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
2454 b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
2455
2456 if (phy->rev >= 3) {
2457 #if 0
2458 nphy->gmval = (table[0] >> 16) & 0x7000;
2459
2460 for (i = 0; i < 128; i++) {
2461 pga_gain = (table[i] >> 24) & 0xF;
2462 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
2463 rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
2464 else
2465 rfpwr_offset = b43_ntab_papd_pga_gain_delta_ipa_5g[pga_gain];
2466 b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
2467 rfpwr_offset);
2468 b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
2469 rfpwr_offset);
2470 }
2471 #endif
2472 }
2473 }
2474
2475 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
b43_nphy_pa_override(struct b43_wldev * dev,bool enable)2476 static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
2477 {
2478 struct b43_phy_n *nphy = dev->phy.n;
2479 enum ieee80211_band band;
2480 u16 tmp;
2481
2482 if (!enable) {
2483 nphy->rfctrl_intc1_save = b43_phy_read(dev,
2484 B43_NPHY_RFCTL_INTC1);
2485 nphy->rfctrl_intc2_save = b43_phy_read(dev,
2486 B43_NPHY_RFCTL_INTC2);
2487 band = b43_current_band(dev->wl);
2488 if (dev->phy.rev >= 3) {
2489 if (band == IEEE80211_BAND_5GHZ)
2490 tmp = 0x600;
2491 else
2492 tmp = 0x480;
2493 } else {
2494 if (band == IEEE80211_BAND_5GHZ)
2495 tmp = 0x180;
2496 else
2497 tmp = 0x120;
2498 }
2499 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
2500 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
2501 } else {
2502 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
2503 nphy->rfctrl_intc1_save);
2504 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
2505 nphy->rfctrl_intc2_save);
2506 }
2507 }
2508
2509 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
b43_nphy_tx_lp_fbw(struct b43_wldev * dev)2510 static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
2511 {
2512 u16 tmp;
2513
2514 if (dev->phy.rev >= 3) {
2515 if (b43_nphy_ipa(dev)) {
2516 tmp = 4;
2517 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
2518 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
2519 }
2520
2521 tmp = 1;
2522 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
2523 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
2524 }
2525 }
2526
2527 /* 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)2528 static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
2529 u16 samps, u8 time, bool wait)
2530 {
2531 int i;
2532 u16 tmp;
2533
2534 b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
2535 b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
2536 if (wait)
2537 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
2538 else
2539 b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
2540
2541 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
2542
2543 for (i = 1000; i; i--) {
2544 tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
2545 if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
2546 est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
2547 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
2548 est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
2549 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
2550 est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
2551 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
2552
2553 est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
2554 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
2555 est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
2556 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
2557 est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
2558 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
2559 return;
2560 }
2561 udelay(10);
2562 }
2563 memset(est, 0, sizeof(*est));
2564 }
2565
2566 /* 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)2567 static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
2568 struct b43_phy_n_iq_comp *pcomp)
2569 {
2570 if (write) {
2571 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
2572 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
2573 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
2574 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
2575 } else {
2576 pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
2577 pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
2578 pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
2579 pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
2580 }
2581 }
2582
2583 #if 0
2584 /* Ready but not used anywhere */
2585 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
2586 static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
2587 {
2588 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2589
2590 b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
2591 if (core == 0) {
2592 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
2593 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
2594 } else {
2595 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
2596 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
2597 }
2598 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
2599 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
2600 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
2601 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
2602 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
2603 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
2604 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
2605 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
2606 }
2607
2608 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
2609 static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
2610 {
2611 u8 rxval, txval;
2612 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
2613
2614 regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
2615 if (core == 0) {
2616 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
2617 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
2618 } else {
2619 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
2620 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
2621 }
2622 regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
2623 regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
2624 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
2625 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
2626 regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
2627 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
2628 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
2629 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
2630
2631 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
2632 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
2633
2634 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
2635 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
2636 ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
2637 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
2638 ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
2639 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
2640 (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
2641 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
2642 (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
2643
2644 if (core == 0) {
2645 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
2646 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
2647 } else {
2648 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
2649 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
2650 }
2651
2652 b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
2653 b43_nphy_rf_control_override(dev, 8, 0, 3, false);
2654 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
2655
2656 if (core == 0) {
2657 rxval = 1;
2658 txval = 8;
2659 } else {
2660 rxval = 4;
2661 txval = 2;
2662 }
2663 b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
2664 b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
2665 }
2666 #endif
2667
2668 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
b43_nphy_calc_rx_iq_comp(struct b43_wldev * dev,u8 mask)2669 static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
2670 {
2671 int i;
2672 s32 iq;
2673 u32 ii;
2674 u32 qq;
2675 int iq_nbits, qq_nbits;
2676 int arsh, brsh;
2677 u16 tmp, a, b;
2678
2679 struct nphy_iq_est est;
2680 struct b43_phy_n_iq_comp old;
2681 struct b43_phy_n_iq_comp new = { };
2682 bool error = false;
2683
2684 if (mask == 0)
2685 return;
2686
2687 b43_nphy_rx_iq_coeffs(dev, false, &old);
2688 b43_nphy_rx_iq_coeffs(dev, true, &new);
2689 b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
2690 new = old;
2691
2692 for (i = 0; i < 2; i++) {
2693 if (i == 0 && (mask & 1)) {
2694 iq = est.iq0_prod;
2695 ii = est.i0_pwr;
2696 qq = est.q0_pwr;
2697 } else if (i == 1 && (mask & 2)) {
2698 iq = est.iq1_prod;
2699 ii = est.i1_pwr;
2700 qq = est.q1_pwr;
2701 } else {
2702 continue;
2703 }
2704
2705 if (ii + qq < 2) {
2706 error = true;
2707 break;
2708 }
2709
2710 iq_nbits = fls(abs(iq));
2711 qq_nbits = fls(qq);
2712
2713 arsh = iq_nbits - 20;
2714 if (arsh >= 0) {
2715 a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
2716 tmp = ii >> arsh;
2717 } else {
2718 a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
2719 tmp = ii << -arsh;
2720 }
2721 if (tmp == 0) {
2722 error = true;
2723 break;
2724 }
2725 a /= tmp;
2726
2727 brsh = qq_nbits - 11;
2728 if (brsh >= 0) {
2729 b = (qq << (31 - qq_nbits));
2730 tmp = ii >> brsh;
2731 } else {
2732 b = (qq << (31 - qq_nbits));
2733 tmp = ii << -brsh;
2734 }
2735 if (tmp == 0) {
2736 error = true;
2737 break;
2738 }
2739 b = int_sqrt(b / tmp - a * a) - (1 << 10);
2740
2741 if (i == 0 && (mask & 0x1)) {
2742 if (dev->phy.rev >= 3) {
2743 new.a0 = a & 0x3FF;
2744 new.b0 = b & 0x3FF;
2745 } else {
2746 new.a0 = b & 0x3FF;
2747 new.b0 = a & 0x3FF;
2748 }
2749 } else if (i == 1 && (mask & 0x2)) {
2750 if (dev->phy.rev >= 3) {
2751 new.a1 = a & 0x3FF;
2752 new.b1 = b & 0x3FF;
2753 } else {
2754 new.a1 = b & 0x3FF;
2755 new.b1 = a & 0x3FF;
2756 }
2757 }
2758 }
2759
2760 if (error)
2761 new = old;
2762
2763 b43_nphy_rx_iq_coeffs(dev, true, &new);
2764 }
2765
2766 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
b43_nphy_tx_iq_workaround(struct b43_wldev * dev)2767 static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
2768 {
2769 u16 array[4];
2770 b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
2771
2772 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
2773 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
2774 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
2775 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
2776 }
2777
2778 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
b43_nphy_spur_workaround(struct b43_wldev * dev)2779 static void b43_nphy_spur_workaround(struct b43_wldev *dev)
2780 {
2781 struct b43_phy_n *nphy = dev->phy.n;
2782
2783 u8 channel = dev->phy.channel;
2784 int tone[2] = { 57, 58 };
2785 u32 noise[2] = { 0x3FF, 0x3FF };
2786
2787 B43_WARN_ON(dev->phy.rev < 3);
2788
2789 if (nphy->hang_avoid)
2790 b43_nphy_stay_in_carrier_search(dev, 1);
2791
2792 if (nphy->gband_spurwar_en) {
2793 /* TODO: N PHY Adjust Analog Pfbw (7) */
2794 if (channel == 11 && dev->phy.is_40mhz)
2795 ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
2796 else
2797 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
2798 /* TODO: N PHY Adjust CRS Min Power (0x1E) */
2799 }
2800
2801 if (nphy->aband_spurwar_en) {
2802 if (channel == 54) {
2803 tone[0] = 0x20;
2804 noise[0] = 0x25F;
2805 } else if (channel == 38 || channel == 102 || channel == 118) {
2806 if (0 /* FIXME */) {
2807 tone[0] = 0x20;
2808 noise[0] = 0x21F;
2809 } else {
2810 tone[0] = 0;
2811 noise[0] = 0;
2812 }
2813 } else if (channel == 134) {
2814 tone[0] = 0x20;
2815 noise[0] = 0x21F;
2816 } else if (channel == 151) {
2817 tone[0] = 0x10;
2818 noise[0] = 0x23F;
2819 } else if (channel == 153 || channel == 161) {
2820 tone[0] = 0x30;
2821 noise[0] = 0x23F;
2822 } else {
2823 tone[0] = 0;
2824 noise[0] = 0;
2825 }
2826
2827 if (!tone[0] && !noise[0])
2828 ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
2829 else
2830 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
2831 }
2832
2833 if (nphy->hang_avoid)
2834 b43_nphy_stay_in_carrier_search(dev, 0);
2835 }
2836
2837 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev * dev)2838 static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
2839 {
2840 struct b43_phy_n *nphy = dev->phy.n;
2841 int i, j;
2842 u32 tmp;
2843 u32 cur_real, cur_imag, real_part, imag_part;
2844
2845 u16 buffer[7];
2846
2847 if (nphy->hang_avoid)
2848 b43_nphy_stay_in_carrier_search(dev, true);
2849
2850 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
2851
2852 for (i = 0; i < 2; i++) {
2853 tmp = ((buffer[i * 2] & 0x3FF) << 10) |
2854 (buffer[i * 2 + 1] & 0x3FF);
2855 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
2856 (((i + 26) << 10) | 320));
2857 for (j = 0; j < 128; j++) {
2858 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
2859 ((tmp >> 16) & 0xFFFF));
2860 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
2861 (tmp & 0xFFFF));
2862 }
2863 }
2864
2865 for (i = 0; i < 2; i++) {
2866 tmp = buffer[5 + i];
2867 real_part = (tmp >> 8) & 0xFF;
2868 imag_part = (tmp & 0xFF);
2869 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
2870 (((i + 26) << 10) | 448));
2871
2872 if (dev->phy.rev >= 3) {
2873 cur_real = real_part;
2874 cur_imag = imag_part;
2875 tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
2876 }
2877
2878 for (j = 0; j < 128; j++) {
2879 if (dev->phy.rev < 3) {
2880 cur_real = (real_part * loscale[j] + 128) >> 8;
2881 cur_imag = (imag_part * loscale[j] + 128) >> 8;
2882 tmp = ((cur_real & 0xFF) << 8) |
2883 (cur_imag & 0xFF);
2884 }
2885 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
2886 ((tmp >> 16) & 0xFFFF));
2887 b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
2888 (tmp & 0xFFFF));
2889 }
2890 }
2891
2892 if (dev->phy.rev >= 3) {
2893 b43_shm_write16(dev, B43_SHM_SHARED,
2894 B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
2895 b43_shm_write16(dev, B43_SHM_SHARED,
2896 B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
2897 }
2898
2899 if (nphy->hang_avoid)
2900 b43_nphy_stay_in_carrier_search(dev, false);
2901 }
2902
2903 /*
2904 * Restore RSSI Calibration
2905 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
2906 */
b43_nphy_restore_rssi_cal(struct b43_wldev * dev)2907 static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
2908 {
2909 struct b43_phy_n *nphy = dev->phy.n;
2910
2911 u16 *rssical_radio_regs = NULL;
2912 u16 *rssical_phy_regs = NULL;
2913
2914 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2915 if (!nphy->rssical_chanspec_2G.center_freq)
2916 return;
2917 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
2918 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
2919 } else {
2920 if (!nphy->rssical_chanspec_5G.center_freq)
2921 return;
2922 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
2923 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
2924 }
2925
2926 /* TODO use some definitions */
2927 b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
2928 b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
2929
2930 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
2931 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
2932 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
2933 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
2934
2935 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
2936 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
2937 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
2938 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
2939
2940 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
2941 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
2942 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
2943 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
2944 }
2945
2946 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
b43_nphy_tx_cal_radio_setup(struct b43_wldev * dev)2947 static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
2948 {
2949 struct b43_phy_n *nphy = dev->phy.n;
2950 u16 *save = nphy->tx_rx_cal_radio_saveregs;
2951 u16 tmp;
2952 u8 offset, i;
2953
2954 if (dev->phy.rev >= 3) {
2955 for (i = 0; i < 2; i++) {
2956 tmp = (i == 0) ? 0x2000 : 0x3000;
2957 offset = i * 11;
2958
2959 save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
2960 save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
2961 save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
2962 save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
2963 save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
2964 save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
2965 save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
2966 save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
2967 save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
2968 save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
2969 save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
2970
2971 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2972 b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
2973 b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2974 b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2975 b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2976 b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2977 if (nphy->ipa5g_on) {
2978 b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
2979 b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
2980 } else {
2981 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2982 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
2983 }
2984 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2985 } else {
2986 b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
2987 b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
2988 b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
2989 b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
2990 b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
2991 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
2992 if (nphy->ipa2g_on) {
2993 b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
2994 b43_radio_write16(dev, tmp | B2055_XOCTL2,
2995 (dev->phy.rev < 5) ? 0x11 : 0x01);
2996 } else {
2997 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
2998 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
2999 }
3000 }
3001 b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
3002 b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
3003 b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
3004 }
3005 } else {
3006 save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
3007 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
3008
3009 save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
3010 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
3011
3012 save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
3013 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
3014
3015 save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
3016 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
3017
3018 save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
3019 save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
3020
3021 if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
3022 B43_NPHY_BANDCTL_5GHZ)) {
3023 b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
3024 b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
3025 } else {
3026 b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
3027 b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
3028 }
3029
3030 if (dev->phy.rev < 2) {
3031 b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
3032 b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
3033 } else {
3034 b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
3035 b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
3036 }
3037 }
3038 }
3039
3040 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
b43_nphy_update_tx_cal_ladder(struct b43_wldev * dev,u16 core)3041 static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
3042 {
3043 struct b43_phy_n *nphy = dev->phy.n;
3044 int i;
3045 u16 scale, entry;
3046
3047 u16 tmp = nphy->txcal_bbmult;
3048 if (core == 0)
3049 tmp >>= 8;
3050 tmp &= 0xff;
3051
3052 for (i = 0; i < 18; i++) {
3053 scale = (ladder_lo[i].percent * tmp) / 100;
3054 entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
3055 b43_ntab_write(dev, B43_NTAB16(15, i), entry);
3056
3057 scale = (ladder_iq[i].percent * tmp) / 100;
3058 entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
3059 b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
3060 }
3061 }
3062
3063 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev * dev)3064 static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
3065 {
3066 int i;
3067 for (i = 0; i < 15; i++)
3068 b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
3069 tbl_tx_filter_coef_rev4[2][i]);
3070 }
3071
3072 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev * dev)3073 static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
3074 {
3075 int i, j;
3076 /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
3077 static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
3078
3079 for (i = 0; i < 3; i++)
3080 for (j = 0; j < 15; j++)
3081 b43_phy_write(dev, B43_PHY_N(offset[i] + j),
3082 tbl_tx_filter_coef_rev4[i][j]);
3083
3084 if (dev->phy.is_40mhz) {
3085 for (j = 0; j < 15; j++)
3086 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
3087 tbl_tx_filter_coef_rev4[3][j]);
3088 } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
3089 for (j = 0; j < 15; j++)
3090 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
3091 tbl_tx_filter_coef_rev4[5][j]);
3092 }
3093
3094 if (dev->phy.channel == 14)
3095 for (j = 0; j < 15; j++)
3096 b43_phy_write(dev, B43_PHY_N(offset[0] + j),
3097 tbl_tx_filter_coef_rev4[6][j]);
3098 }
3099
3100 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
b43_nphy_get_tx_gains(struct b43_wldev * dev)3101 static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
3102 {
3103 struct b43_phy_n *nphy = dev->phy.n;
3104
3105 u16 curr_gain[2];
3106 struct nphy_txgains target;
3107 const u32 *table = NULL;
3108
3109 if (!nphy->txpwrctrl) {
3110 int i;
3111
3112 if (nphy->hang_avoid)
3113 b43_nphy_stay_in_carrier_search(dev, true);
3114 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
3115 if (nphy->hang_avoid)
3116 b43_nphy_stay_in_carrier_search(dev, false);
3117
3118 for (i = 0; i < 2; ++i) {
3119 if (dev->phy.rev >= 3) {
3120 target.ipa[i] = curr_gain[i] & 0x000F;
3121 target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
3122 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
3123 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
3124 } else {
3125 target.ipa[i] = curr_gain[i] & 0x0003;
3126 target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
3127 target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
3128 target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
3129 }
3130 }
3131 } else {
3132 int i;
3133 u16 index[2];
3134 index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
3135 B43_NPHY_TXPCTL_STAT_BIDX) >>
3136 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
3137 index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
3138 B43_NPHY_TXPCTL_STAT_BIDX) >>
3139 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
3140
3141 for (i = 0; i < 2; ++i) {
3142 if (dev->phy.rev >= 3) {
3143 enum ieee80211_band band =
3144 b43_current_band(dev->wl);
3145
3146 if (b43_nphy_ipa(dev)) {
3147 table = b43_nphy_get_ipa_gain_table(dev);
3148 } else {
3149 if (band == IEEE80211_BAND_5GHZ) {
3150 if (dev->phy.rev == 3)
3151 table = b43_ntab_tx_gain_rev3_5ghz;
3152 else if (dev->phy.rev == 4)
3153 table = b43_ntab_tx_gain_rev4_5ghz;
3154 else
3155 table = b43_ntab_tx_gain_rev5plus_5ghz;
3156 } else {
3157 table = b43_ntab_tx_gain_rev3plus_2ghz;
3158 }
3159 }
3160
3161 target.ipa[i] = (table[index[i]] >> 16) & 0xF;
3162 target.pad[i] = (table[index[i]] >> 20) & 0xF;
3163 target.pga[i] = (table[index[i]] >> 24) & 0xF;
3164 target.txgm[i] = (table[index[i]] >> 28) & 0xF;
3165 } else {
3166 table = b43_ntab_tx_gain_rev0_1_2;
3167
3168 target.ipa[i] = (table[index[i]] >> 16) & 0x3;
3169 target.pad[i] = (table[index[i]] >> 18) & 0x3;
3170 target.pga[i] = (table[index[i]] >> 20) & 0x7;
3171 target.txgm[i] = (table[index[i]] >> 23) & 0x7;
3172 }
3173 }
3174 }
3175
3176 return target;
3177 }
3178
3179 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
b43_nphy_tx_cal_phy_cleanup(struct b43_wldev * dev)3180 static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
3181 {
3182 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
3183
3184 if (dev->phy.rev >= 3) {
3185 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
3186 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
3187 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
3188 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
3189 b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
3190 b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
3191 b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
3192 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
3193 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
3194 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
3195 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
3196 b43_nphy_reset_cca(dev);
3197 } else {
3198 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
3199 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
3200 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
3201 b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
3202 b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
3203 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
3204 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
3205 }
3206 }
3207
3208 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
b43_nphy_tx_cal_phy_setup(struct b43_wldev * dev)3209 static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
3210 {
3211 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
3212 u16 tmp;
3213
3214 regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
3215 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
3216 if (dev->phy.rev >= 3) {
3217 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
3218 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
3219
3220 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
3221 regs[2] = tmp;
3222 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
3223
3224 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3225 regs[3] = tmp;
3226 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
3227
3228 regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
3229 b43_phy_mask(dev, B43_NPHY_BBCFG,
3230 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
3231
3232 tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
3233 regs[5] = tmp;
3234 b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
3235
3236 tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
3237 regs[6] = tmp;
3238 b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
3239 regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
3240 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
3241
3242 b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
3243 b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
3244 b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
3245
3246 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
3247 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
3248 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
3249 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
3250 } else {
3251 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
3252 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
3253 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3254 regs[2] = tmp;
3255 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
3256 tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
3257 regs[3] = tmp;
3258 tmp |= 0x2000;
3259 b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
3260 tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
3261 regs[4] = tmp;
3262 tmp |= 0x2000;
3263 b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
3264 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
3265 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
3266 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
3267 tmp = 0x0180;
3268 else
3269 tmp = 0x0120;
3270 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
3271 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
3272 }
3273 }
3274
3275 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
b43_nphy_save_cal(struct b43_wldev * dev)3276 static void b43_nphy_save_cal(struct b43_wldev *dev)
3277 {
3278 struct b43_phy_n *nphy = dev->phy.n;
3279
3280 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
3281 u16 *txcal_radio_regs = NULL;
3282 struct b43_chanspec *iqcal_chanspec;
3283 u16 *table = NULL;
3284
3285 if (nphy->hang_avoid)
3286 b43_nphy_stay_in_carrier_search(dev, 1);
3287
3288 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3289 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
3290 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
3291 iqcal_chanspec = &nphy->iqcal_chanspec_2G;
3292 table = nphy->cal_cache.txcal_coeffs_2G;
3293 } else {
3294 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
3295 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
3296 iqcal_chanspec = &nphy->iqcal_chanspec_5G;
3297 table = nphy->cal_cache.txcal_coeffs_5G;
3298 }
3299
3300 b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
3301 /* TODO use some definitions */
3302 if (dev->phy.rev >= 3) {
3303 txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
3304 txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
3305 txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
3306 txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
3307 txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
3308 txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
3309 txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
3310 txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
3311 } else {
3312 txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
3313 txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
3314 txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
3315 txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
3316 }
3317 iqcal_chanspec->center_freq = dev->phy.channel_freq;
3318 iqcal_chanspec->channel_type = dev->phy.channel_type;
3319 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
3320
3321 if (nphy->hang_avoid)
3322 b43_nphy_stay_in_carrier_search(dev, 0);
3323 }
3324
3325 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
b43_nphy_restore_cal(struct b43_wldev * dev)3326 static void b43_nphy_restore_cal(struct b43_wldev *dev)
3327 {
3328 struct b43_phy_n *nphy = dev->phy.n;
3329
3330 u16 coef[4];
3331 u16 *loft = NULL;
3332 u16 *table = NULL;
3333
3334 int i;
3335 u16 *txcal_radio_regs = NULL;
3336 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
3337
3338 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3339 if (!nphy->iqcal_chanspec_2G.center_freq)
3340 return;
3341 table = nphy->cal_cache.txcal_coeffs_2G;
3342 loft = &nphy->cal_cache.txcal_coeffs_2G[5];
3343 } else {
3344 if (!nphy->iqcal_chanspec_5G.center_freq)
3345 return;
3346 table = nphy->cal_cache.txcal_coeffs_5G;
3347 loft = &nphy->cal_cache.txcal_coeffs_5G[5];
3348 }
3349
3350 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
3351
3352 for (i = 0; i < 4; i++) {
3353 if (dev->phy.rev >= 3)
3354 table[i] = coef[i];
3355 else
3356 coef[i] = 0;
3357 }
3358
3359 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
3360 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
3361 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
3362
3363 if (dev->phy.rev < 2)
3364 b43_nphy_tx_iq_workaround(dev);
3365
3366 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3367 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
3368 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
3369 } else {
3370 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
3371 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
3372 }
3373
3374 /* TODO use some definitions */
3375 if (dev->phy.rev >= 3) {
3376 b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
3377 b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
3378 b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
3379 b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
3380 b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
3381 b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
3382 b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
3383 b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
3384 } else {
3385 b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
3386 b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
3387 b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
3388 b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
3389 }
3390 b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
3391 }
3392
3393 /* 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)3394 static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
3395 struct nphy_txgains target,
3396 bool full, bool mphase)
3397 {
3398 struct b43_phy_n *nphy = dev->phy.n;
3399 int i;
3400 int error = 0;
3401 int freq;
3402 bool avoid = false;
3403 u8 length;
3404 u16 tmp, core, type, count, max, numb, last = 0, cmd;
3405 const u16 *table;
3406 bool phy6or5x;
3407
3408 u16 buffer[11];
3409 u16 diq_start = 0;
3410 u16 save[2];
3411 u16 gain[2];
3412 struct nphy_iqcal_params params[2];
3413 bool updated[2] = { };
3414
3415 b43_nphy_stay_in_carrier_search(dev, true);
3416
3417 if (dev->phy.rev >= 4) {
3418 avoid = nphy->hang_avoid;
3419 nphy->hang_avoid = false;
3420 }
3421
3422 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3423
3424 for (i = 0; i < 2; i++) {
3425 b43_nphy_iq_cal_gain_params(dev, i, target, ¶ms[i]);
3426 gain[i] = params[i].cal_gain;
3427 }
3428
3429 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
3430
3431 b43_nphy_tx_cal_radio_setup(dev);
3432 b43_nphy_tx_cal_phy_setup(dev);
3433
3434 phy6or5x = dev->phy.rev >= 6 ||
3435 (dev->phy.rev == 5 && nphy->ipa2g_on &&
3436 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
3437 if (phy6or5x) {
3438 if (dev->phy.is_40mhz) {
3439 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
3440 tbl_tx_iqlo_cal_loft_ladder_40);
3441 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
3442 tbl_tx_iqlo_cal_iqimb_ladder_40);
3443 } else {
3444 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
3445 tbl_tx_iqlo_cal_loft_ladder_20);
3446 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
3447 tbl_tx_iqlo_cal_iqimb_ladder_20);
3448 }
3449 }
3450
3451 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
3452
3453 if (!dev->phy.is_40mhz)
3454 freq = 2500;
3455 else
3456 freq = 5000;
3457
3458 if (nphy->mphase_cal_phase_id > 2)
3459 b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
3460 0xFFFF, 0, true, false);
3461 else
3462 error = b43_nphy_tx_tone(dev, freq, 250, true, false);
3463
3464 if (error == 0) {
3465 if (nphy->mphase_cal_phase_id > 2) {
3466 table = nphy->mphase_txcal_bestcoeffs;
3467 length = 11;
3468 if (dev->phy.rev < 3)
3469 length -= 2;
3470 } else {
3471 if (!full && nphy->txiqlocal_coeffsvalid) {
3472 table = nphy->txiqlocal_bestc;
3473 length = 11;
3474 if (dev->phy.rev < 3)
3475 length -= 2;
3476 } else {
3477 full = true;
3478 if (dev->phy.rev >= 3) {
3479 table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
3480 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
3481 } else {
3482 table = tbl_tx_iqlo_cal_startcoefs;
3483 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
3484 }
3485 }
3486 }
3487
3488 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
3489
3490 if (full) {
3491 if (dev->phy.rev >= 3)
3492 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
3493 else
3494 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
3495 } else {
3496 if (dev->phy.rev >= 3)
3497 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
3498 else
3499 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
3500 }
3501
3502 if (mphase) {
3503 count = nphy->mphase_txcal_cmdidx;
3504 numb = min(max,
3505 (u16)(count + nphy->mphase_txcal_numcmds));
3506 } else {
3507 count = 0;
3508 numb = max;
3509 }
3510
3511 for (; count < numb; count++) {
3512 if (full) {
3513 if (dev->phy.rev >= 3)
3514 cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
3515 else
3516 cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
3517 } else {
3518 if (dev->phy.rev >= 3)
3519 cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
3520 else
3521 cmd = tbl_tx_iqlo_cal_cmds_recal[count];
3522 }
3523
3524 core = (cmd & 0x3000) >> 12;
3525 type = (cmd & 0x0F00) >> 8;
3526
3527 if (phy6or5x && updated[core] == 0) {
3528 b43_nphy_update_tx_cal_ladder(dev, core);
3529 updated[core] = true;
3530 }
3531
3532 tmp = (params[core].ncorr[type] << 8) | 0x66;
3533 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
3534
3535 if (type == 1 || type == 3 || type == 4) {
3536 buffer[0] = b43_ntab_read(dev,
3537 B43_NTAB16(15, 69 + core));
3538 diq_start = buffer[0];
3539 buffer[0] = 0;
3540 b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
3541 0);
3542 }
3543
3544 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
3545 for (i = 0; i < 2000; i++) {
3546 tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
3547 if (tmp & 0xC000)
3548 break;
3549 udelay(10);
3550 }
3551
3552 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3553 buffer);
3554 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
3555 buffer);
3556
3557 if (type == 1 || type == 3 || type == 4)
3558 buffer[0] = diq_start;
3559 }
3560
3561 if (mphase)
3562 nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
3563
3564 last = (dev->phy.rev < 3) ? 6 : 7;
3565
3566 if (!mphase || nphy->mphase_cal_phase_id == last) {
3567 b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
3568 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
3569 if (dev->phy.rev < 3) {
3570 buffer[0] = 0;
3571 buffer[1] = 0;
3572 buffer[2] = 0;
3573 buffer[3] = 0;
3574 }
3575 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
3576 buffer);
3577 b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
3578 buffer);
3579 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
3580 buffer);
3581 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
3582 buffer);
3583 length = 11;
3584 if (dev->phy.rev < 3)
3585 length -= 2;
3586 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3587 nphy->txiqlocal_bestc);
3588 nphy->txiqlocal_coeffsvalid = true;
3589 nphy->txiqlocal_chanspec.center_freq =
3590 dev->phy.channel_freq;
3591 nphy->txiqlocal_chanspec.channel_type =
3592 dev->phy.channel_type;
3593 } else {
3594 length = 11;
3595 if (dev->phy.rev < 3)
3596 length -= 2;
3597 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
3598 nphy->mphase_txcal_bestcoeffs);
3599 }
3600
3601 b43_nphy_stop_playback(dev);
3602 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
3603 }
3604
3605 b43_nphy_tx_cal_phy_cleanup(dev);
3606 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
3607
3608 if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
3609 b43_nphy_tx_iq_workaround(dev);
3610
3611 if (dev->phy.rev >= 4)
3612 nphy->hang_avoid = avoid;
3613
3614 b43_nphy_stay_in_carrier_search(dev, false);
3615
3616 return error;
3617 }
3618
3619 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev * dev)3620 static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
3621 {
3622 struct b43_phy_n *nphy = dev->phy.n;
3623 u8 i;
3624 u16 buffer[7];
3625 bool equal = true;
3626
3627 if (!nphy->txiqlocal_coeffsvalid ||
3628 nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
3629 nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
3630 return;
3631
3632 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
3633 for (i = 0; i < 4; i++) {
3634 if (buffer[i] != nphy->txiqlocal_bestc[i]) {
3635 equal = false;
3636 break;
3637 }
3638 }
3639
3640 if (!equal) {
3641 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
3642 nphy->txiqlocal_bestc);
3643 for (i = 0; i < 4; i++)
3644 buffer[i] = 0;
3645 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
3646 buffer);
3647 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
3648 &nphy->txiqlocal_bestc[5]);
3649 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
3650 &nphy->txiqlocal_bestc[5]);
3651 }
3652 }
3653
3654 /* 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)3655 static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
3656 struct nphy_txgains target, u8 type, bool debug)
3657 {
3658 struct b43_phy_n *nphy = dev->phy.n;
3659 int i, j, index;
3660 u8 rfctl[2];
3661 u8 afectl_core;
3662 u16 tmp[6];
3663 u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
3664 u32 real, imag;
3665 enum ieee80211_band band;
3666
3667 u8 use;
3668 u16 cur_hpf;
3669 u16 lna[3] = { 3, 3, 1 };
3670 u16 hpf1[3] = { 7, 2, 0 };
3671 u16 hpf2[3] = { 2, 0, 0 };
3672 u32 power[3] = { };
3673 u16 gain_save[2];
3674 u16 cal_gain[2];
3675 struct nphy_iqcal_params cal_params[2];
3676 struct nphy_iq_est est;
3677 int ret = 0;
3678 bool playtone = true;
3679 int desired = 13;
3680
3681 b43_nphy_stay_in_carrier_search(dev, 1);
3682
3683 if (dev->phy.rev < 2)
3684 b43_nphy_reapply_tx_cal_coeffs(dev);
3685 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
3686 for (i = 0; i < 2; i++) {
3687 b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
3688 cal_gain[i] = cal_params[i].cal_gain;
3689 }
3690 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
3691
3692 for (i = 0; i < 2; i++) {
3693 if (i == 0) {
3694 rfctl[0] = B43_NPHY_RFCTL_INTC1;
3695 rfctl[1] = B43_NPHY_RFCTL_INTC2;
3696 afectl_core = B43_NPHY_AFECTL_C1;
3697 } else {
3698 rfctl[0] = B43_NPHY_RFCTL_INTC2;
3699 rfctl[1] = B43_NPHY_RFCTL_INTC1;
3700 afectl_core = B43_NPHY_AFECTL_C2;
3701 }
3702
3703 tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
3704 tmp[2] = b43_phy_read(dev, afectl_core);
3705 tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3706 tmp[4] = b43_phy_read(dev, rfctl[0]);
3707 tmp[5] = b43_phy_read(dev, rfctl[1]);
3708
3709 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
3710 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
3711 ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
3712 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
3713 (1 - i));
3714 b43_phy_set(dev, afectl_core, 0x0006);
3715 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
3716
3717 band = b43_current_band(dev->wl);
3718
3719 if (nphy->rxcalparams & 0xFF000000) {
3720 if (band == IEEE80211_BAND_5GHZ)
3721 b43_phy_write(dev, rfctl[0], 0x140);
3722 else
3723 b43_phy_write(dev, rfctl[0], 0x110);
3724 } else {
3725 if (band == IEEE80211_BAND_5GHZ)
3726 b43_phy_write(dev, rfctl[0], 0x180);
3727 else
3728 b43_phy_write(dev, rfctl[0], 0x120);
3729 }
3730
3731 if (band == IEEE80211_BAND_5GHZ)
3732 b43_phy_write(dev, rfctl[1], 0x148);
3733 else
3734 b43_phy_write(dev, rfctl[1], 0x114);
3735
3736 if (nphy->rxcalparams & 0x10000) {
3737 b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
3738 (i + 1));
3739 b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
3740 (2 - i));
3741 }
3742
3743 for (j = 0; j < 4; j++) {
3744 if (j < 3) {
3745 cur_lna = lna[j];
3746 cur_hpf1 = hpf1[j];
3747 cur_hpf2 = hpf2[j];
3748 } else {
3749 if (power[1] > 10000) {
3750 use = 1;
3751 cur_hpf = cur_hpf1;
3752 index = 2;
3753 } else {
3754 if (power[0] > 10000) {
3755 use = 1;
3756 cur_hpf = cur_hpf1;
3757 index = 1;
3758 } else {
3759 index = 0;
3760 use = 2;
3761 cur_hpf = cur_hpf2;
3762 }
3763 }
3764 cur_lna = lna[index];
3765 cur_hpf1 = hpf1[index];
3766 cur_hpf2 = hpf2[index];
3767 cur_hpf += desired - hweight32(power[index]);
3768 cur_hpf = clamp_val(cur_hpf, 0, 10);
3769 if (use == 1)
3770 cur_hpf1 = cur_hpf;
3771 else
3772 cur_hpf2 = cur_hpf;
3773 }
3774
3775 tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
3776 (cur_lna << 2));
3777 b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
3778 false);
3779 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3780 b43_nphy_stop_playback(dev);
3781
3782 if (playtone) {
3783 ret = b43_nphy_tx_tone(dev, 4000,
3784 (nphy->rxcalparams & 0xFFFF),
3785 false, false);
3786 playtone = false;
3787 } else {
3788 b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
3789 false, false);
3790 }
3791
3792 if (ret == 0) {
3793 if (j < 3) {
3794 b43_nphy_rx_iq_est(dev, &est, 1024, 32,
3795 false);
3796 if (i == 0) {
3797 real = est.i0_pwr;
3798 imag = est.q0_pwr;
3799 } else {
3800 real = est.i1_pwr;
3801 imag = est.q1_pwr;
3802 }
3803 power[i] = ((real + imag) / 1024) + 1;
3804 } else {
3805 b43_nphy_calc_rx_iq_comp(dev, 1 << i);
3806 }
3807 b43_nphy_stop_playback(dev);
3808 }
3809
3810 if (ret != 0)
3811 break;
3812 }
3813
3814 b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
3815 b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
3816 b43_phy_write(dev, rfctl[1], tmp[5]);
3817 b43_phy_write(dev, rfctl[0], tmp[4]);
3818 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
3819 b43_phy_write(dev, afectl_core, tmp[2]);
3820 b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
3821
3822 if (ret != 0)
3823 break;
3824 }
3825
3826 b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
3827 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3828 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
3829
3830 b43_nphy_stay_in_carrier_search(dev, 0);
3831
3832 return ret;
3833 }
3834
b43_nphy_rev3_cal_rx_iq(struct b43_wldev * dev,struct nphy_txgains target,u8 type,bool debug)3835 static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
3836 struct nphy_txgains target, u8 type, bool debug)
3837 {
3838 return -1;
3839 }
3840
3841 /* 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)3842 static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
3843 struct nphy_txgains target, u8 type, bool debug)
3844 {
3845 if (dev->phy.rev >= 3)
3846 return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
3847 else
3848 return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
3849 }
3850
3851 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
b43_nphy_set_rx_core_state(struct b43_wldev * dev,u8 mask)3852 static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
3853 {
3854 struct b43_phy *phy = &dev->phy;
3855 struct b43_phy_n *nphy = phy->n;
3856 /* u16 buf[16]; it's rev3+ */
3857
3858 nphy->phyrxchain = mask;
3859
3860 if (0 /* FIXME clk */)
3861 return;
3862
3863 b43_mac_suspend(dev);
3864
3865 if (nphy->hang_avoid)
3866 b43_nphy_stay_in_carrier_search(dev, true);
3867
3868 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
3869 (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
3870
3871 if ((mask & 0x3) != 0x3) {
3872 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
3873 if (dev->phy.rev >= 3) {
3874 /* TODO */
3875 }
3876 } else {
3877 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
3878 if (dev->phy.rev >= 3) {
3879 /* TODO */
3880 }
3881 }
3882
3883 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
3884
3885 if (nphy->hang_avoid)
3886 b43_nphy_stay_in_carrier_search(dev, false);
3887
3888 b43_mac_enable(dev);
3889 }
3890
3891 /**************************************************
3892 * N-PHY init
3893 **************************************************/
3894
3895 /*
3896 * Upload the N-PHY tables.
3897 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
3898 */
b43_nphy_tables_init(struct b43_wldev * dev)3899 static void b43_nphy_tables_init(struct b43_wldev *dev)
3900 {
3901 if (dev->phy.rev < 3)
3902 b43_nphy_rev0_1_2_tables_init(dev);
3903 else
3904 b43_nphy_rev3plus_tables_init(dev);
3905 }
3906
3907 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
b43_nphy_update_mimo_config(struct b43_wldev * dev,s32 preamble)3908 static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
3909 {
3910 u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
3911
3912 mimocfg |= B43_NPHY_MIMOCFG_AUTO;
3913 if (preamble == 1)
3914 mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
3915 else
3916 mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
3917
3918 b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
3919 }
3920
3921 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
b43_nphy_bphy_init(struct b43_wldev * dev)3922 static void b43_nphy_bphy_init(struct b43_wldev *dev)
3923 {
3924 unsigned int i;
3925 u16 val;
3926
3927 val = 0x1E1F;
3928 for (i = 0; i < 16; i++) {
3929 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
3930 val -= 0x202;
3931 }
3932 val = 0x3E3F;
3933 for (i = 0; i < 16; i++) {
3934 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
3935 val -= 0x202;
3936 }
3937 b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
3938 }
3939
3940 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
b43_nphy_superswitch_init(struct b43_wldev * dev,bool init)3941 static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
3942 {
3943 if (dev->phy.rev >= 3) {
3944 if (!init)
3945 return;
3946 if (0 /* FIXME */) {
3947 b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
3948 b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
3949 b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
3950 b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
3951 }
3952 } else {
3953 b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
3954 b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
3955
3956 switch (dev->dev->bus_type) {
3957 #ifdef CONFIG_B43_BCMA
3958 case B43_BUS_BCMA:
3959 bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
3960 0xFC00, 0xFC00);
3961 break;
3962 #endif
3963 #ifdef CONFIG_B43_SSB
3964 case B43_BUS_SSB:
3965 ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
3966 0xFC00, 0xFC00);
3967 break;
3968 #endif
3969 }
3970
3971 b43_write32(dev, B43_MMIO_MACCTL,
3972 b43_read32(dev, B43_MMIO_MACCTL) &
3973 ~B43_MACCTL_GPOUTSMSK);
3974 b43_write16(dev, B43_MMIO_GPIO_MASK,
3975 b43_read16(dev, B43_MMIO_GPIO_MASK) | 0xFC00);
3976 b43_write16(dev, B43_MMIO_GPIO_CONTROL,
3977 b43_read16(dev, B43_MMIO_GPIO_CONTROL) & ~0xFC00);
3978
3979 if (init) {
3980 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
3981 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
3982 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
3983 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
3984 }
3985 }
3986 }
3987
3988 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
b43_phy_initn(struct b43_wldev * dev)3989 int b43_phy_initn(struct b43_wldev *dev)
3990 {
3991 struct ssb_sprom *sprom = dev->dev->bus_sprom;
3992 struct b43_phy *phy = &dev->phy;
3993 struct b43_phy_n *nphy = phy->n;
3994 u8 tx_pwr_state;
3995 struct nphy_txgains target;
3996 u16 tmp;
3997 enum ieee80211_band tmp2;
3998 bool do_rssi_cal;
3999
4000 u16 clip[2];
4001 bool do_cal = false;
4002
4003 if ((dev->phy.rev >= 3) &&
4004 (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
4005 (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
4006 switch (dev->dev->bus_type) {
4007 #ifdef CONFIG_B43_BCMA
4008 case B43_BUS_BCMA:
4009 bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
4010 BCMA_CC_CHIPCTL, 0x40);
4011 break;
4012 #endif
4013 #ifdef CONFIG_B43_SSB
4014 case B43_BUS_SSB:
4015 chipco_set32(&dev->dev->sdev->bus->chipco,
4016 SSB_CHIPCO_CHIPCTL, 0x40);
4017 break;
4018 #endif
4019 }
4020 }
4021 nphy->deaf_count = 0;
4022 b43_nphy_tables_init(dev);
4023 nphy->crsminpwr_adjusted = false;
4024 nphy->noisevars_adjusted = false;
4025
4026 /* Clear all overrides */
4027 if (dev->phy.rev >= 3) {
4028 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
4029 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
4030 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
4031 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
4032 } else {
4033 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
4034 }
4035 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
4036 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
4037 if (dev->phy.rev < 6) {
4038 b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
4039 b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
4040 }
4041 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
4042 ~(B43_NPHY_RFSEQMODE_CAOVER |
4043 B43_NPHY_RFSEQMODE_TROVER));
4044 if (dev->phy.rev >= 3)
4045 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
4046 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
4047
4048 if (dev->phy.rev <= 2) {
4049 tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
4050 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
4051 ~B43_NPHY_BPHY_CTL3_SCALE,
4052 tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
4053 }
4054 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
4055 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
4056
4057 if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
4058 (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
4059 dev->dev->board_type == 0x8B))
4060 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
4061 else
4062 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
4063 b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
4064 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
4065 b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
4066
4067 b43_nphy_update_mimo_config(dev, nphy->preamble_override);
4068 b43_nphy_update_txrx_chain(dev);
4069
4070 if (phy->rev < 2) {
4071 b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
4072 b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
4073 }
4074
4075 tmp2 = b43_current_band(dev->wl);
4076 if (b43_nphy_ipa(dev)) {
4077 b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
4078 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
4079 nphy->papd_epsilon_offset[0] << 7);
4080 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
4081 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
4082 nphy->papd_epsilon_offset[1] << 7);
4083 b43_nphy_int_pa_set_tx_dig_filters(dev);
4084 } else if (phy->rev >= 5) {
4085 b43_nphy_ext_pa_set_tx_dig_filters(dev);
4086 }
4087
4088 b43_nphy_workarounds(dev);
4089
4090 /* Reset CCA, in init code it differs a little from standard way */
4091 b43_phy_force_clock(dev, 1);
4092 tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
4093 b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
4094 b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
4095 b43_phy_force_clock(dev, 0);
4096
4097 b43_mac_phy_clock_set(dev, true);
4098
4099 b43_nphy_pa_override(dev, false);
4100 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
4101 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4102 b43_nphy_pa_override(dev, true);
4103
4104 b43_nphy_classifier(dev, 0, 0);
4105 b43_nphy_read_clip_detection(dev, clip);
4106 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4107 b43_nphy_bphy_init(dev);
4108
4109 tx_pwr_state = nphy->txpwrctrl;
4110 b43_nphy_tx_power_ctrl(dev, false);
4111 b43_nphy_tx_power_fix(dev);
4112 b43_nphy_tx_power_ctl_idle_tssi(dev);
4113 /* TODO N PHY TX Power Control Setup */
4114 b43_nphy_tx_gain_table_upload(dev);
4115
4116 if (nphy->phyrxchain != 3)
4117 b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
4118 if (nphy->mphase_cal_phase_id > 0)
4119 ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
4120
4121 do_rssi_cal = false;
4122 if (phy->rev >= 3) {
4123 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4124 do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
4125 else
4126 do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
4127
4128 if (do_rssi_cal)
4129 b43_nphy_rssi_cal(dev);
4130 else
4131 b43_nphy_restore_rssi_cal(dev);
4132 } else {
4133 b43_nphy_rssi_cal(dev);
4134 }
4135
4136 if (!((nphy->measure_hold & 0x6) != 0)) {
4137 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4138 do_cal = !nphy->iqcal_chanspec_2G.center_freq;
4139 else
4140 do_cal = !nphy->iqcal_chanspec_5G.center_freq;
4141
4142 if (nphy->mute)
4143 do_cal = false;
4144
4145 if (do_cal) {
4146 target = b43_nphy_get_tx_gains(dev);
4147
4148 if (nphy->antsel_type == 2)
4149 b43_nphy_superswitch_init(dev, true);
4150 if (nphy->perical != 2) {
4151 b43_nphy_rssi_cal(dev);
4152 if (phy->rev >= 3) {
4153 nphy->cal_orig_pwr_idx[0] =
4154 nphy->txpwrindex[0].index_internal;
4155 nphy->cal_orig_pwr_idx[1] =
4156 nphy->txpwrindex[1].index_internal;
4157 /* TODO N PHY Pre Calibrate TX Gain */
4158 target = b43_nphy_get_tx_gains(dev);
4159 }
4160 if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
4161 if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
4162 b43_nphy_save_cal(dev);
4163 } else if (nphy->mphase_cal_phase_id == 0)
4164 ;/* N PHY Periodic Calibration with arg 3 */
4165 } else {
4166 b43_nphy_restore_cal(dev);
4167 }
4168 }
4169
4170 b43_nphy_tx_pwr_ctrl_coef_setup(dev);
4171 b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
4172 b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
4173 b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
4174 if (phy->rev >= 3 && phy->rev <= 6)
4175 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
4176 b43_nphy_tx_lp_fbw(dev);
4177 if (phy->rev >= 3)
4178 b43_nphy_spur_workaround(dev);
4179
4180 return 0;
4181 }
4182
4183 /**************************************************
4184 * Channel switching ops.
4185 **************************************************/
4186
b43_chantab_phy_upload(struct b43_wldev * dev,const struct b43_phy_n_sfo_cfg * e)4187 static void b43_chantab_phy_upload(struct b43_wldev *dev,
4188 const struct b43_phy_n_sfo_cfg *e)
4189 {
4190 b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
4191 b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
4192 b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
4193 b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
4194 b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
4195 b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
4196 }
4197
4198 /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
b43_nphy_pmu_spur_avoid(struct b43_wldev * dev,bool avoid)4199 static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
4200 {
4201 struct bcma_drv_cc __maybe_unused *cc;
4202 u32 __maybe_unused pmu_ctl;
4203
4204 switch (dev->dev->bus_type) {
4205 #ifdef CONFIG_B43_BCMA
4206 case B43_BUS_BCMA:
4207 cc = &dev->dev->bdev->bus->drv_cc;
4208 if (dev->dev->chip_id == 43224 || dev->dev->chip_id == 43225) {
4209 if (avoid) {
4210 bcma_chipco_pll_write(cc, 0x0, 0x11500010);
4211 bcma_chipco_pll_write(cc, 0x1, 0x000C0C06);
4212 bcma_chipco_pll_write(cc, 0x2, 0x0F600a08);
4213 bcma_chipco_pll_write(cc, 0x3, 0x00000000);
4214 bcma_chipco_pll_write(cc, 0x4, 0x2001E920);
4215 bcma_chipco_pll_write(cc, 0x5, 0x88888815);
4216 } else {
4217 bcma_chipco_pll_write(cc, 0x0, 0x11100010);
4218 bcma_chipco_pll_write(cc, 0x1, 0x000c0c06);
4219 bcma_chipco_pll_write(cc, 0x2, 0x03000a08);
4220 bcma_chipco_pll_write(cc, 0x3, 0x00000000);
4221 bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
4222 bcma_chipco_pll_write(cc, 0x5, 0x88888815);
4223 }
4224 pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
4225 } else if (dev->dev->chip_id == 0x4716) {
4226 if (avoid) {
4227 bcma_chipco_pll_write(cc, 0x0, 0x11500060);
4228 bcma_chipco_pll_write(cc, 0x1, 0x080C0C06);
4229 bcma_chipco_pll_write(cc, 0x2, 0x0F600000);
4230 bcma_chipco_pll_write(cc, 0x3, 0x00000000);
4231 bcma_chipco_pll_write(cc, 0x4, 0x2001E924);
4232 bcma_chipco_pll_write(cc, 0x5, 0x88888815);
4233 } else {
4234 bcma_chipco_pll_write(cc, 0x0, 0x11100060);
4235 bcma_chipco_pll_write(cc, 0x1, 0x080c0c06);
4236 bcma_chipco_pll_write(cc, 0x2, 0x03000000);
4237 bcma_chipco_pll_write(cc, 0x3, 0x00000000);
4238 bcma_chipco_pll_write(cc, 0x4, 0x200005c0);
4239 bcma_chipco_pll_write(cc, 0x5, 0x88888815);
4240 }
4241 pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD |
4242 BCMA_CC_PMU_CTL_NOILPONW;
4243 } else if (dev->dev->chip_id == 0x4322 ||
4244 dev->dev->chip_id == 0x4340 ||
4245 dev->dev->chip_id == 0x4341) {
4246 bcma_chipco_pll_write(cc, 0x0, 0x11100070);
4247 bcma_chipco_pll_write(cc, 0x1, 0x1014140a);
4248 bcma_chipco_pll_write(cc, 0x5, 0x88888854);
4249 if (avoid)
4250 bcma_chipco_pll_write(cc, 0x2, 0x05201828);
4251 else
4252 bcma_chipco_pll_write(cc, 0x2, 0x05001828);
4253 pmu_ctl = BCMA_CC_PMU_CTL_PLL_UPD;
4254 } else {
4255 return;
4256 }
4257 bcma_cc_set32(cc, BCMA_CC_PMU_CTL, pmu_ctl);
4258 break;
4259 #endif
4260 #ifdef CONFIG_B43_SSB
4261 case B43_BUS_SSB:
4262 /* FIXME */
4263 break;
4264 #endif
4265 }
4266 }
4267
4268 /* 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)4269 static void b43_nphy_channel_setup(struct b43_wldev *dev,
4270 const struct b43_phy_n_sfo_cfg *e,
4271 struct ieee80211_channel *new_channel)
4272 {
4273 struct b43_phy *phy = &dev->phy;
4274 struct b43_phy_n *nphy = dev->phy.n;
4275 int ch = new_channel->hw_value;
4276
4277 u16 old_band_5ghz;
4278 u32 tmp32;
4279
4280 old_band_5ghz =
4281 b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
4282 if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
4283 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
4284 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
4285 b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
4286 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
4287 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
4288 } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
4289 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
4290 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
4291 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
4292 b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
4293 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
4294 }
4295
4296 b43_chantab_phy_upload(dev, e);
4297
4298 if (new_channel->hw_value == 14) {
4299 b43_nphy_classifier(dev, 2, 0);
4300 b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
4301 } else {
4302 b43_nphy_classifier(dev, 2, 2);
4303 if (new_channel->band == IEEE80211_BAND_2GHZ)
4304 b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
4305 }
4306
4307 if (!nphy->txpwrctrl)
4308 b43_nphy_tx_power_fix(dev);
4309
4310 if (dev->phy.rev < 3)
4311 b43_nphy_adjust_lna_gain_table(dev);
4312
4313 b43_nphy_tx_lp_fbw(dev);
4314
4315 if (dev->phy.rev >= 3 &&
4316 dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
4317 bool avoid = false;
4318 if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
4319 avoid = true;
4320 } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
4321 if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
4322 avoid = true;
4323 } else { /* 40MHz */
4324 if (nphy->aband_spurwar_en &&
4325 (ch == 38 || ch == 102 || ch == 118))
4326 avoid = dev->dev->chip_id == 0x4716;
4327 }
4328
4329 b43_nphy_pmu_spur_avoid(dev, avoid);
4330
4331 if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
4332 dev->dev->chip_id == 43225) {
4333 b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
4334 avoid ? 0x5341 : 0x8889);
4335 b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
4336 }
4337
4338 if (dev->phy.rev == 3 || dev->phy.rev == 4)
4339 ; /* TODO: reset PLL */
4340
4341 if (avoid)
4342 b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
4343 else
4344 b43_phy_mask(dev, B43_NPHY_BBCFG,
4345 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
4346
4347 b43_nphy_reset_cca(dev);
4348
4349 /* wl sets useless phy_isspuravoid here */
4350 }
4351
4352 b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
4353
4354 if (phy->rev >= 3)
4355 b43_nphy_spur_workaround(dev);
4356 }
4357
4358 /* 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)4359 static int b43_nphy_set_channel(struct b43_wldev *dev,
4360 struct ieee80211_channel *channel,
4361 enum nl80211_channel_type channel_type)
4362 {
4363 struct b43_phy *phy = &dev->phy;
4364
4365 const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
4366 const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
4367
4368 u8 tmp;
4369
4370 if (dev->phy.rev >= 3) {
4371 tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
4372 channel->center_freq);
4373 if (!tabent_r3)
4374 return -ESRCH;
4375 } else {
4376 tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
4377 channel->hw_value);
4378 if (!tabent_r2)
4379 return -ESRCH;
4380 }
4381
4382 /* Channel is set later in common code, but we need to set it on our
4383 own to let this function's subcalls work properly. */
4384 phy->channel = channel->hw_value;
4385 phy->channel_freq = channel->center_freq;
4386
4387 if (b43_channel_type_is_40mhz(phy->channel_type) !=
4388 b43_channel_type_is_40mhz(channel_type))
4389 ; /* TODO: BMAC BW Set (channel_type) */
4390
4391 if (channel_type == NL80211_CHAN_HT40PLUS)
4392 b43_phy_set(dev, B43_NPHY_RXCTL,
4393 B43_NPHY_RXCTL_BSELU20);
4394 else if (channel_type == NL80211_CHAN_HT40MINUS)
4395 b43_phy_mask(dev, B43_NPHY_RXCTL,
4396 ~B43_NPHY_RXCTL_BSELU20);
4397
4398 if (dev->phy.rev >= 3) {
4399 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
4400 b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
4401 b43_radio_2056_setup(dev, tabent_r3);
4402 b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
4403 } else {
4404 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
4405 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
4406 b43_radio_2055_setup(dev, tabent_r2);
4407 b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
4408 }
4409
4410 return 0;
4411 }
4412
4413 /**************************************************
4414 * Basic PHY ops.
4415 **************************************************/
4416
b43_nphy_op_allocate(struct b43_wldev * dev)4417 static int b43_nphy_op_allocate(struct b43_wldev *dev)
4418 {
4419 struct b43_phy_n *nphy;
4420
4421 nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
4422 if (!nphy)
4423 return -ENOMEM;
4424 dev->phy.n = nphy;
4425
4426 return 0;
4427 }
4428
b43_nphy_op_prepare_structs(struct b43_wldev * dev)4429 static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
4430 {
4431 struct b43_phy *phy = &dev->phy;
4432 struct b43_phy_n *nphy = phy->n;
4433 struct ssb_sprom *sprom = dev->dev->bus_sprom;
4434
4435 memset(nphy, 0, sizeof(*nphy));
4436
4437 nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
4438 nphy->spur_avoid = (phy->rev >= 3) ?
4439 B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
4440 nphy->gain_boost = true; /* this way we follow wl, assume it is true */
4441 nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
4442 nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
4443 nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
4444 /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
4445 * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
4446 nphy->tx_pwr_idx[0] = 128;
4447 nphy->tx_pwr_idx[1] = 128;
4448
4449 /* Hardware TX power control and 5GHz power gain */
4450 nphy->txpwrctrl = false;
4451 nphy->pwg_gain_5ghz = false;
4452 if (dev->phy.rev >= 3 ||
4453 (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
4454 (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
4455 nphy->txpwrctrl = true;
4456 nphy->pwg_gain_5ghz = true;
4457 } else if (sprom->revision >= 4) {
4458 if (dev->phy.rev >= 2 &&
4459 (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
4460 nphy->txpwrctrl = true;
4461 #ifdef CONFIG_B43_SSB
4462 if (dev->dev->bus_type == B43_BUS_SSB &&
4463 dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
4464 struct pci_dev *pdev =
4465 dev->dev->sdev->bus->host_pci;
4466 if (pdev->device == 0x4328 ||
4467 pdev->device == 0x432a)
4468 nphy->pwg_gain_5ghz = true;
4469 }
4470 #endif
4471 } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
4472 nphy->pwg_gain_5ghz = true;
4473 }
4474 }
4475
4476 if (dev->phy.rev >= 3) {
4477 nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
4478 nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
4479 }
4480 }
4481
b43_nphy_op_free(struct b43_wldev * dev)4482 static void b43_nphy_op_free(struct b43_wldev *dev)
4483 {
4484 struct b43_phy *phy = &dev->phy;
4485 struct b43_phy_n *nphy = phy->n;
4486
4487 kfree(nphy);
4488 phy->n = NULL;
4489 }
4490
b43_nphy_op_init(struct b43_wldev * dev)4491 static int b43_nphy_op_init(struct b43_wldev *dev)
4492 {
4493 return b43_phy_initn(dev);
4494 }
4495
check_phyreg(struct b43_wldev * dev,u16 offset)4496 static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
4497 {
4498 #if B43_DEBUG
4499 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
4500 /* OFDM registers are onnly available on A/G-PHYs */
4501 b43err(dev->wl, "Invalid OFDM PHY access at "
4502 "0x%04X on N-PHY\n", offset);
4503 dump_stack();
4504 }
4505 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
4506 /* Ext-G registers are only available on G-PHYs */
4507 b43err(dev->wl, "Invalid EXT-G PHY access at "
4508 "0x%04X on N-PHY\n", offset);
4509 dump_stack();
4510 }
4511 #endif /* B43_DEBUG */
4512 }
4513
b43_nphy_op_read(struct b43_wldev * dev,u16 reg)4514 static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
4515 {
4516 check_phyreg(dev, reg);
4517 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
4518 return b43_read16(dev, B43_MMIO_PHY_DATA);
4519 }
4520
b43_nphy_op_write(struct b43_wldev * dev,u16 reg,u16 value)4521 static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
4522 {
4523 check_phyreg(dev, reg);
4524 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
4525 b43_write16(dev, B43_MMIO_PHY_DATA, value);
4526 }
4527
b43_nphy_op_maskset(struct b43_wldev * dev,u16 reg,u16 mask,u16 set)4528 static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
4529 u16 set)
4530 {
4531 check_phyreg(dev, reg);
4532 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
4533 b43_write16(dev, B43_MMIO_PHY_DATA,
4534 (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
4535 }
4536
b43_nphy_op_radio_read(struct b43_wldev * dev,u16 reg)4537 static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
4538 {
4539 /* Register 1 is a 32-bit register. */
4540 B43_WARN_ON(reg == 1);
4541 /* N-PHY needs 0x100 for read access */
4542 reg |= 0x100;
4543
4544 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
4545 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
4546 }
4547
b43_nphy_op_radio_write(struct b43_wldev * dev,u16 reg,u16 value)4548 static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
4549 {
4550 /* Register 1 is a 32-bit register. */
4551 B43_WARN_ON(reg == 1);
4552
4553 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
4554 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
4555 }
4556
4557 /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
b43_nphy_op_software_rfkill(struct b43_wldev * dev,bool blocked)4558 static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
4559 bool blocked)
4560 {
4561 if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
4562 b43err(dev->wl, "MAC not suspended\n");
4563
4564 if (blocked) {
4565 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
4566 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
4567 if (dev->phy.rev >= 3) {
4568 b43_radio_mask(dev, 0x09, ~0x2);
4569
4570 b43_radio_write(dev, 0x204D, 0);
4571 b43_radio_write(dev, 0x2053, 0);
4572 b43_radio_write(dev, 0x2058, 0);
4573 b43_radio_write(dev, 0x205E, 0);
4574 b43_radio_mask(dev, 0x2062, ~0xF0);
4575 b43_radio_write(dev, 0x2064, 0);
4576
4577 b43_radio_write(dev, 0x304D, 0);
4578 b43_radio_write(dev, 0x3053, 0);
4579 b43_radio_write(dev, 0x3058, 0);
4580 b43_radio_write(dev, 0x305E, 0);
4581 b43_radio_mask(dev, 0x3062, ~0xF0);
4582 b43_radio_write(dev, 0x3064, 0);
4583 }
4584 } else {
4585 if (dev->phy.rev >= 3) {
4586 b43_radio_init2056(dev);
4587 b43_switch_channel(dev, dev->phy.channel);
4588 } else {
4589 b43_radio_init2055(dev);
4590 }
4591 }
4592 }
4593
4594 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
b43_nphy_op_switch_analog(struct b43_wldev * dev,bool on)4595 static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
4596 {
4597 u16 override = on ? 0x0 : 0x7FFF;
4598 u16 core = on ? 0xD : 0x00FD;
4599
4600 if (dev->phy.rev >= 3) {
4601 if (on) {
4602 b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
4603 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
4604 b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
4605 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
4606 } else {
4607 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
4608 b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
4609 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
4610 b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
4611 }
4612 } else {
4613 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
4614 }
4615 }
4616
b43_nphy_op_switch_channel(struct b43_wldev * dev,unsigned int new_channel)4617 static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
4618 unsigned int new_channel)
4619 {
4620 struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
4621 enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
4622
4623 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4624 if ((new_channel < 1) || (new_channel > 14))
4625 return -EINVAL;
4626 } else {
4627 if (new_channel > 200)
4628 return -EINVAL;
4629 }
4630
4631 return b43_nphy_set_channel(dev, channel, channel_type);
4632 }
4633
b43_nphy_op_get_default_chan(struct b43_wldev * dev)4634 static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
4635 {
4636 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
4637 return 1;
4638 return 36;
4639 }
4640
4641 const struct b43_phy_operations b43_phyops_n = {
4642 .allocate = b43_nphy_op_allocate,
4643 .free = b43_nphy_op_free,
4644 .prepare_structs = b43_nphy_op_prepare_structs,
4645 .init = b43_nphy_op_init,
4646 .phy_read = b43_nphy_op_read,
4647 .phy_write = b43_nphy_op_write,
4648 .phy_maskset = b43_nphy_op_maskset,
4649 .radio_read = b43_nphy_op_radio_read,
4650 .radio_write = b43_nphy_op_radio_write,
4651 .software_rfkill = b43_nphy_op_software_rfkill,
4652 .switch_analog = b43_nphy_op_switch_analog,
4653 .switch_channel = b43_nphy_op_switch_channel,
4654 .get_default_chan = b43_nphy_op_get_default_chan,
4655 .recalc_txpower = b43_nphy_op_recalc_txpower,
4656 .adjust_txpower = b43_nphy_op_adjust_txpower,
4657 };
4658