drivers/net/wireless/b43/phy_n.c

   1 /*
   2
   3   Broadcom B43 wireless driver
   4   IEEE 802.11n PHY support
   5
   6   Copyright (c) 2008 Michael Buesch <m@bues.ch>
   7   Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com>
   8
   9   This program is free software; you can redistribute it and/or modify
  10   it under the terms of the GNU General Public License as published by
  11   the Free Software Foundation; either version 2 of the License, or
  12   (at your option) any later version.
  13
  14   This program is distributed in the hope that it will be useful,
  15   but WITHOUT ANY WARRANTY; without even the implied warranty of
  16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17   GNU General Public License for more details.
  18
  19   You should have received a copy of the GNU General Public License
  20   along with this program; see the file COPYING.  If not, write to
  21   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  22   Boston, MA 02110-1301, USA.
  23
  24 */
  25
  26 #include <linux/delay.h>
  27 #include <linux/slab.h>
  28 #include <linux/types.h>
  29
  30 #include "b43.h"
  31 #include "phy_n.h"
  32 #include "tables_nphy.h"
  33 #include "radio_2055.h"
  34 #include "radio_2056.h"
  35 #include "radio_2057.h"
  36 #include "main.h"
  37
  38 struct nphy_txgains {
  39         u16 txgm[2];
  40         u16 pga[2];
  41         u16 pad[2];
  42         u16 ipa[2];
  43 };
  44
  45 struct nphy_iqcal_params {
  46         u16 txgm;
  47         u16 pga;
  48         u16 pad;
  49         u16 ipa;
  50         u16 cal_gain;
  51         u16 ncorr[5];
  52 };
  53
  54 struct nphy_iq_est {
  55         s32 iq0_prod;
  56         u32 i0_pwr;
  57         u32 q0_pwr;
  58         s32 iq1_prod;
  59         u32 i1_pwr;
  60         u32 q1_pwr;
  61 };
  62
  63 enum b43_nphy_rf_sequence {
  64         B43_RFSEQ_RX2TX,
  65         B43_RFSEQ_TX2RX,
  66         B43_RFSEQ_RESET2RX,
  67         B43_RFSEQ_UPDATE_GAINH,
  68         B43_RFSEQ_UPDATE_GAINL,
  69         B43_RFSEQ_UPDATE_GAINU,
  70 };
  71
  72 enum n_rssi_type {
  73         N_RSSI_W1 = 0,
  74         N_RSSI_W2,
  75         N_RSSI_NB,
  76         N_RSSI_IQ,
  77         N_RSSI_TSSI_2G,
  78         N_RSSI_TSSI_5G,
  79         N_RSSI_TBD,
  80 };
  81
  82 enum n_rail_type {
  83         N_RAIL_I = 0,
  84         N_RAIL_Q = 1,
  85 };
  86
  87 static inline bool b43_nphy_ipa(struct b43_wldev *dev)
  88 {
  89         enum ieee80211_band band = b43_current_band(dev->wl);
  90         return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  91                 (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
  92 }
  93
  94 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
  95 static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
  96 {
  97         return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
  98                 B43_NPHY_RFSEQCA_RXEN_SHIFT;
  99 }
 100
 101 /**************************************************
 102  * RF (just without b43_nphy_rf_control_intc_override)
 103  **************************************************/
 104
 105 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
 106 static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
 107                                        enum b43_nphy_rf_sequence seq)
 108 {
 109         static const u16 trigger[] = {
 110                 [B43_RFSEQ_RX2TX]               = B43_NPHY_RFSEQTR_RX2TX,
 111                 [B43_RFSEQ_TX2RX]               = B43_NPHY_RFSEQTR_TX2RX,
 112                 [B43_RFSEQ_RESET2RX]            = B43_NPHY_RFSEQTR_RST2RX,
 113                 [B43_RFSEQ_UPDATE_GAINH]        = B43_NPHY_RFSEQTR_UPGH,
 114                 [B43_RFSEQ_UPDATE_GAINL]        = B43_NPHY_RFSEQTR_UPGL,
 115                 [B43_RFSEQ_UPDATE_GAINU]        = B43_NPHY_RFSEQTR_UPGU,
 116         };
 117         int i;
 118         u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
 119
 120         B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
 121
 122         b43_phy_set(dev, B43_NPHY_RFSEQMODE,
 123                     B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
 124         b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
 125         for (i = 0; i < 200; i++) {
 126                 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
 127                         goto ok;
 128                 msleep(1);
 129         }
 130         b43err(dev->wl, "RF sequence status timeout\n");
 131 ok:
 132         b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
 133 }
 134
 135 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */
 136 static void b43_nphy_rf_control_override_rev7(struct b43_wldev *dev, u16 field,
 137                                               u16 value, u8 core, bool off,
 138                                               u8 override)
 139 {
 140         const struct nphy_rf_control_override_rev7 *e;
 141         u16 en_addrs[3][2] = {
 142                 { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 }
 143         };
 144         u16 en_addr;
 145         u16 en_mask = field;
 146         u16 val_addr;
 147         u8 i;
 148
 149         /* Remember: we can get NULL! */
 150         e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override);
 151
 152         for (i = 0; i < 2; i++) {
 153                 if (override >= ARRAY_SIZE(en_addrs)) {
 154                         b43err(dev->wl, "Invalid override value %d\n", override);
 155                         return;
 156                 }
 157                 en_addr = en_addrs[override][i];
 158
 159                 val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1;
 160
 161                 if (off) {
 162                         b43_phy_mask(dev, en_addr, ~en_mask);
 163                         if (e) /* Do it safer, better than wl */
 164                                 b43_phy_mask(dev, val_addr, ~e->val_mask);
 165                 } else {
 166                         if (!core || (core & (1 << i))) {
 167                                 b43_phy_set(dev, en_addr, en_mask);
 168                                 if (e)
 169                                         b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift));
 170                         }
 171                 }
 172         }
 173 }
 174
 175 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
 176 static void b43_nphy_rf_control_override(struct b43_wldev *dev, u16 field,
 177                                                 u16 value, u8 core, bool off)
 178 {
 179         int i;
 180         u8 index = fls(field);
 181         u8 addr, en_addr, val_addr;
 182         /* we expect only one bit set */
 183         B43_WARN_ON(field & (~(1 << (index - 1))));
 184
 185         if (dev->phy.rev >= 3) {
 186                 const struct nphy_rf_control_override_rev3 *rf_ctrl;
 187                 for (i = 0; i < 2; i++) {
 188                         if (index == 0 || index == 16) {
 189                                 b43err(dev->wl,
 190                                         "Unsupported RF Ctrl Override call\n");
 191                                 return;
 192                         }
 193
 194                         rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
 195                         en_addr = B43_PHY_N((i == 0) ?
 196                                 rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
 197                         val_addr = B43_PHY_N((i == 0) ?
 198                                 rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
 199
 200                         if (off) {
 201                                 b43_phy_mask(dev, en_addr, ~(field));
 202                                 b43_phy_mask(dev, val_addr,
 203                                                 ~(rf_ctrl->val_mask));
 204                         } else {
 205                                 if (core == 0 || ((1 << i) & core)) {
 206                                         b43_phy_set(dev, en_addr, field);
 207                                         b43_phy_maskset(dev, val_addr,
 208                                                 ~(rf_ctrl->val_mask),
 209                                                 (value << rf_ctrl->val_shift));
 210                                 }
 211                         }
 212                 }
 213         } else {
 214                 const struct nphy_rf_control_override_rev2 *rf_ctrl;
 215                 if (off) {
 216                         b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
 217                         value = 0;
 218                 } else {
 219                         b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
 220                 }
 221
 222                 for (i = 0; i < 2; i++) {
 223                         if (index <= 1 || index == 16) {
 224                                 b43err(dev->wl,
 225                                         "Unsupported RF Ctrl Override call\n");
 226                                 return;
 227                         }
 228
 229                         if (index == 2 || index == 10 ||
 230                             (index >= 13 && index <= 15)) {
 231                                 core = 1;
 232                         }
 233
 234                         rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
 235                         addr = B43_PHY_N((i == 0) ?
 236                                 rf_ctrl->addr0 : rf_ctrl->addr1);
 237
 238                         if ((1 << i) & core)
 239                                 b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
 240                                                 (value << rf_ctrl->shift));
 241
 242                         b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
 243                         b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 244                                         B43_NPHY_RFCTL_CMD_START);
 245                         udelay(1);
 246                         b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
 247                 }
 248         }
 249 }
 250
 251 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
 252 static void b43_nphy_rf_control_intc_override(struct b43_wldev *dev, u8 field,
 253                                                 u16 value, u8 core)
 254 {
 255         u8 i, j;
 256         u16 reg, tmp, val;
 257
 258         B43_WARN_ON(dev->phy.rev < 3);
 259         B43_WARN_ON(field > 4);
 260
 261         for (i = 0; i < 2; i++) {
 262                 if ((core == 1 && i == 1) || (core == 2 && !i))
 263                         continue;
 264
 265                 reg = (i == 0) ?
 266                         B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
 267                 b43_phy_set(dev, reg, 0x400);
 268
 269                 switch (field) {
 270                 case 0:
 271                         b43_phy_write(dev, reg, 0);
 272                         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
 273                         break;
 274                 case 1:
 275                         if (!i) {
 276                                 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
 277                                                 0xFC3F, (value << 6));
 278                                 b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
 279                                                 0xFFFE, 1);
 280                                 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 281                                                 B43_NPHY_RFCTL_CMD_START);
 282                                 for (j = 0; j < 100; j++) {
 283                                         if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
 284                                                 j = 0;
 285                                                 break;
 286                                         }
 287                                         udelay(10);
 288                                 }
 289                                 if (j)
 290                                         b43err(dev->wl,
 291                                                 "intc override timeout\n");
 292                                 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
 293                                                 0xFFFE);
 294                         } else {
 295                                 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
 296                                                 0xFC3F, (value << 6));
 297                                 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
 298                                                 0xFFFE, 1);
 299                                 b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 300                                                 B43_NPHY_RFCTL_CMD_RXTX);
 301                                 for (j = 0; j < 100; j++) {
 302                                         if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
 303                                                 j = 0;
 304                                                 break;
 305                                         }
 306                                         udelay(10);
 307                                 }
 308                                 if (j)
 309                                         b43err(dev->wl,
 310                                                 "intc override timeout\n");
 311                                 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
 312                                                 0xFFFE);
 313                         }
 314                         break;
 315                 case 2:
 316                         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 317                                 tmp = 0x0020;
 318                                 val = value << 5;
 319                         } else {
 320                                 tmp = 0x0010;
 321                                 val = value << 4;
 322                         }
 323                         b43_phy_maskset(dev, reg, ~tmp, val);
 324                         break;
 325                 case 3:
 326                         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 327                                 tmp = 0x0001;
 328                                 val = value;
 329                         } else {
 330                                 tmp = 0x0004;
 331                                 val = value << 2;
 332                         }
 333                         b43_phy_maskset(dev, reg, ~tmp, val);
 334                         break;
 335                 case 4:
 336                         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 337                                 tmp = 0x0002;
 338                                 val = value << 1;
 339                         } else {
 340                                 tmp = 0x0008;
 341                                 val = value << 3;
 342                         }
 343                         b43_phy_maskset(dev, reg, ~tmp, val);
 344                         break;
 345                 }
 346         }
 347 }
 348
 349 /**************************************************
 350  * Various PHY ops
 351  **************************************************/
 352
 353 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
 354 static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
 355                                           const u16 *clip_st)
 356 {
 357         b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
 358         b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
 359 }
 360
 361 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
 362 static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
 363 {
 364         clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
 365         clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
 366 }
 367
 368 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
 369 static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
 370 {
 371         u16 tmp;
 372
 373         if (dev->dev->core_rev == 16)
 374                 b43_mac_suspend(dev);
 375
 376         tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
 377         tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
 378                 B43_NPHY_CLASSCTL_WAITEDEN);
 379         tmp &= ~mask;
 380         tmp |= (val & mask);
 381         b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
 382
 383         if (dev->dev->core_rev == 16)
 384                 b43_mac_enable(dev);
 385
 386         return tmp;
 387 }
 388
 389 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
 390 static void b43_nphy_reset_cca(struct b43_wldev *dev)
 391 {
 392         u16 bbcfg;
 393
 394         b43_phy_force_clock(dev, 1);
 395         bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
 396         b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
 397         udelay(1);
 398         b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
 399         b43_phy_force_clock(dev, 0);
 400         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
 401 }
 402
 403 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
 404 static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
 405 {
 406         struct b43_phy *phy = &dev->phy;
 407         struct b43_phy_n *nphy = phy->n;
 408
 409         if (enable) {
 410                 static const u16 clip[] = { 0xFFFF, 0xFFFF };
 411                 if (nphy->deaf_count++ == 0) {
 412                         nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
 413                         b43_nphy_classifier(dev, 0x7, 0);
 414                         b43_nphy_read_clip_detection(dev, nphy->clip_state);
 415                         b43_nphy_write_clip_detection(dev, clip);
 416                 }
 417                 b43_nphy_reset_cca(dev);
 418         } else {
 419                 if (--nphy->deaf_count == 0) {
 420                         b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
 421                         b43_nphy_write_clip_detection(dev, nphy->clip_state);
 422                 }
 423         }
 424 }
 425
 426 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
 427 static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
 428 {
 429         struct b43_phy_n *nphy = dev->phy.n;
 430
 431         u8 i;
 432         s16 tmp;
 433         u16 data[4];
 434         s16 gain[2];
 435         u16 minmax[2];
 436         static const u16 lna_gain[4] = { -2, 10, 19, 25 };
 437
 438         if (nphy->hang_avoid)
 439                 b43_nphy_stay_in_carrier_search(dev, 1);
 440
 441         if (nphy->gain_boost) {
 442                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
 443                         gain[0] = 6;
 444                         gain[1] = 6;
 445                 } else {
 446                         tmp = 40370 - 315 * dev->phy.channel;
 447                         gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
 448                         tmp = 23242 - 224 * dev->phy.channel;
 449                         gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
 450                 }
 451         } else {
 452                 gain[0] = 0;
 453                 gain[1] = 0;
 454         }
 455
 456         for (i = 0; i < 2; i++) {
 457                 if (nphy->elna_gain_config) {
 458                         data[0] = 19 + gain[i];
 459                         data[1] = 25 + gain[i];
 460                         data[2] = 25 + gain[i];
 461                         data[3] = 25 + gain[i];
 462                 } else {
 463                         data[0] = lna_gain[0] + gain[i];
 464                         data[1] = lna_gain[1] + gain[i];
 465                         data[2] = lna_gain[2] + gain[i];
 466                         data[3] = lna_gain[3] + gain[i];
 467                 }
 468                 b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
 469
 470                 minmax[i] = 23 + gain[i];
 471         }
 472
 473         b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
 474                                 minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
 475         b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
 476                                 minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
 477
 478         if (nphy->hang_avoid)
 479                 b43_nphy_stay_in_carrier_search(dev, 0);
 480 }
 481
 482 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
 483 static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
 484                                         u8 *events, u8 *delays, u8 length)
 485 {
 486         struct b43_phy_n *nphy = dev->phy.n;
 487         u8 i;
 488         u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
 489         u16 offset1 = cmd << 4;
 490         u16 offset2 = offset1 + 0x80;
 491
 492         if (nphy->hang_avoid)
 493                 b43_nphy_stay_in_carrier_search(dev, true);
 494
 495         b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
 496         b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
 497
 498         for (i = length; i < 16; i++) {
 499                 b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
 500                 b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
 501         }
 502
 503         if (nphy->hang_avoid)
 504                 b43_nphy_stay_in_carrier_search(dev, false);
 505 }
 506
 507 /**************************************************
 508  * Radio 0x2057
 509  **************************************************/
 510
 511 /* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
 512 static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
 513 {
 514         struct b43_phy *phy = &dev->phy;
 515         u16 tmp;
 516
 517         if (phy->radio_rev == 5) {
 518                 b43_phy_mask(dev, 0x342, ~0x2);
 519                 udelay(10);
 520                 b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
 521                 b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
 522         }
 523
 524         b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
 525         udelay(10);
 526         b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
 527         if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
 528                 b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
 529                 return 0;
 530         }
 531         b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
 532         tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
 533         b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
 534
 535         if (phy->radio_rev == 5) {
 536                 b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
 537                 b43_radio_mask(dev, 0x1ca, ~0x2);
 538         }
 539         if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
 540                 b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
 541                 b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
 542                                   tmp << 2);
 543         }
 544
 545         return tmp & 0x3e;
 546 }
 547
 548 /* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
 549 static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
 550 {
 551         struct b43_phy *phy = &dev->phy;
 552         bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
 553                         phy->radio_rev == 6);
 554         u16 tmp;
 555
 556         if (special) {
 557                 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
 558                 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
 559         } else {
 560                 b43_radio_write(dev, 0x1AE, 0x61);
 561                 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
 562         }
 563         b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
 564         b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
 565         if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
 566                                   5000000))
 567                 b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
 568         b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
 569         if (special) {
 570                 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
 571                 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
 572         } else {
 573                 b43_radio_write(dev, 0x1AE, 0x69);
 574                 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
 575         }
 576         b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
 577         b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
 578         if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
 579                                   5000000))
 580                 b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
 581         b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
 582         if (special) {
 583                 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
 584                 b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
 585                 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
 586         } else {
 587                 b43_radio_write(dev, 0x1AE, 0x73);
 588                 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
 589                 b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
 590         }
 591         b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
 592         if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
 593                                   5000000)) {
 594                 b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
 595                 return 0;
 596         }
 597         tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
 598         b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
 599         return tmp;
 600 }
 601
 602 static void b43_radio_2057_init_pre(struct b43_wldev *dev)
 603 {
 604         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU);
 605         /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
 606         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE);
 607         b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
 608         b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU);
 609 }
 610
 611 static void b43_radio_2057_init_post(struct b43_wldev *dev)
 612 {
 613         b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);
 614
 615         b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
 616         b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
 617         mdelay(2);
 618         b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
 619         b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);
 620
 621         if (dev->phy.n->init_por) {
 622                 b43_radio_2057_rcal(dev);
 623                 b43_radio_2057_rccal(dev);
 624         }
 625         b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);
 626
 627         dev->phy.n->init_por = false;
 628 }
 629
 630 /* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
 631 static void b43_radio_2057_init(struct b43_wldev *dev)
 632 {
 633         b43_radio_2057_init_pre(dev);
 634         r2057_upload_inittabs(dev);
 635         b43_radio_2057_init_post(dev);
 636 }
 637
 638 /**************************************************
 639  * Radio 0x2056
 640  **************************************************/
 641
 642 static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
 643                                 const struct b43_nphy_channeltab_entry_rev3 *e)
 644 {
 645         b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
 646         b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
 647         b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
 648         b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
 649         b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
 650         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
 651                                         e->radio_syn_pll_loopfilter1);
 652         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
 653                                         e->radio_syn_pll_loopfilter2);
 654         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
 655                                         e->radio_syn_pll_loopfilter3);
 656         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
 657                                         e->radio_syn_pll_loopfilter4);
 658         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
 659                                         e->radio_syn_pll_loopfilter5);
 660         b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
 661                                         e->radio_syn_reserved_addr27);
 662         b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
 663                                         e->radio_syn_reserved_addr28);
 664         b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
 665                                         e->radio_syn_reserved_addr29);
 666         b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
 667                                         e->radio_syn_logen_vcobuf1);
 668         b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
 669         b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
 670         b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
 671
 672         b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
 673                                         e->radio_rx0_lnaa_tune);
 674         b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
 675                                         e->radio_rx0_lnag_tune);
 676
 677         b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
 678                                         e->radio_tx0_intpaa_boost_tune);
 679         b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
 680                                         e->radio_tx0_intpag_boost_tune);
 681         b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
 682                                         e->radio_tx0_pada_boost_tune);
 683         b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
 684                                         e->radio_tx0_padg_boost_tune);
 685         b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
 686                                         e->radio_tx0_pgaa_boost_tune);
 687         b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
 688                                         e->radio_tx0_pgag_boost_tune);
 689         b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
 690                                         e->radio_tx0_mixa_boost_tune);
 691         b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
 692                                         e->radio_tx0_mixg_boost_tune);
 693
 694         b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
 695                                         e->radio_rx1_lnaa_tune);
 696         b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
 697                                         e->radio_rx1_lnag_tune);
 698
 699         b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
 700                                         e->radio_tx1_intpaa_boost_tune);
 701         b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
 702                                         e->radio_tx1_intpag_boost_tune);
 703         b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
 704                                         e->radio_tx1_pada_boost_tune);
 705         b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
 706                                         e->radio_tx1_padg_boost_tune);
 707         b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
 708                                         e->radio_tx1_pgaa_boost_tune);
 709         b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
 710                                         e->radio_tx1_pgag_boost_tune);
 711         b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
 712                                         e->radio_tx1_mixa_boost_tune);
 713         b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
 714                                         e->radio_tx1_mixg_boost_tune);
 715 }
 716
 717 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
 718 static void b43_radio_2056_setup(struct b43_wldev *dev,
 719                                 const struct b43_nphy_channeltab_entry_rev3 *e)
 720 {
 721         struct ssb_sprom *sprom = dev->dev->bus_sprom;
 722         enum ieee80211_band band = b43_current_band(dev->wl);
 723         u16 offset;
 724         u8 i;
 725         u16 bias, cbias;
 726         u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
 727         u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
 728
 729         B43_WARN_ON(dev->phy.rev < 3);
 730
 731         b43_chantab_radio_2056_upload(dev, e);
 732         b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
 733
 734         if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
 735             b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
 736                 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
 737                 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
 738                 if (dev->dev->chip_id == 0x4716) {
 739                         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
 740                         b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
 741                 } else {
 742                         b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
 743                         b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
 744                 }
 745         }
 746         if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
 747             b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 748                 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
 749                 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
 750                 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
 751                 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
 752         }
 753
 754         if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
 755                 for (i = 0; i < 2; i++) {
 756                         offset = i ? B2056_TX1 : B2056_TX0;
 757                         if (dev->phy.rev >= 5) {
 758                                 b43_radio_write(dev,
 759                                         offset | B2056_TX_PADG_IDAC, 0xcc);
 760
 761                                 if (dev->dev->chip_id == 0x4716) {
 762                                         bias = 0x40;
 763                                         cbias = 0x45;
 764                                         pag_boost = 0x5;
 765                                         pgag_boost = 0x33;
 766                                         mixg_boost = 0x55;
 767                                 } else {
 768                                         bias = 0x25;
 769                                         cbias = 0x20;
 770                                         pag_boost = 0x4;
 771                                         pgag_boost = 0x03;
 772                                         mixg_boost = 0x65;
 773                                 }
 774                                 padg_boost = 0x77;
 775
 776                                 b43_radio_write(dev,
 777                                         offset | B2056_TX_INTPAG_IMAIN_STAT,
 778                                         bias);
 779                                 b43_radio_write(dev,
 780                                         offset | B2056_TX_INTPAG_IAUX_STAT,
 781                                         bias);
 782                                 b43_radio_write(dev,
 783                                         offset | B2056_TX_INTPAG_CASCBIAS,
 784                                         cbias);
 785                                 b43_radio_write(dev,
 786                                         offset | B2056_TX_INTPAG_BOOST_TUNE,
 787                                         pag_boost);
 788                                 b43_radio_write(dev,
 789                                         offset | B2056_TX_PGAG_BOOST_TUNE,
 790                                         pgag_boost);
 791                                 b43_radio_write(dev,
 792                                         offset | B2056_TX_PADG_BOOST_TUNE,
 793                                         padg_boost);
 794                                 b43_radio_write(dev,
 795                                         offset | B2056_TX_MIXG_BOOST_TUNE,
 796                                         mixg_boost);
 797                         } else {
 798                                 bias = dev->phy.is_40mhz ? 0x40 : 0x20;
 799                                 b43_radio_write(dev,
 800                                         offset | B2056_TX_INTPAG_IMAIN_STAT,
 801                                         bias);
 802                                 b43_radio_write(dev,
 803                                         offset | B2056_TX_INTPAG_IAUX_STAT,
 804                                         bias);
 805                                 b43_radio_write(dev,
 806                                         offset | B2056_TX_INTPAG_CASCBIAS,
 807                                         0x30);
 808                         }
 809                         b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
 810                 }
 811         } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
 812                 u16 freq = dev->phy.channel_freq;
 813                 if (freq < 5100) {
 814                         paa_boost = 0xA;
 815                         pada_boost = 0x77;
 816                         pgaa_boost = 0xF;
 817                         mixa_boost = 0xF;
 818                 } else if (freq < 5340) {
 819                         paa_boost = 0x8;
 820                         pada_boost = 0x77;
 821                         pgaa_boost = 0xFB;
 822                         mixa_boost = 0xF;
 823                 } else if (freq < 5650) {
 824                         paa_boost = 0x0;
 825                         pada_boost = 0x77;
 826                         pgaa_boost = 0xB;
 827                         mixa_boost = 0xF;
 828                 } else {
 829                         paa_boost = 0x0;
 830                         pada_boost = 0x77;
 831                         if (freq != 5825)
 832                                 pgaa_boost = -(freq - 18) / 36 + 168;
 833                         else
 834                                 pgaa_boost = 6;
 835                         mixa_boost = 0xF;
 836                 }
 837
 838                 for (i = 0; i < 2; i++) {
 839                         offset = i ? B2056_TX1 : B2056_TX0;
 840
 841                         b43_radio_write(dev,
 842                                 offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
 843                         b43_radio_write(dev,
 844                                 offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
 845                         b43_radio_write(dev,
 846                                 offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
 847                         b43_radio_write(dev,
 848                                 offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
 849                         b43_radio_write(dev,
 850                                 offset | B2056_TX_TXSPARE1, 0x30);
 851                         b43_radio_write(dev,
 852                                 offset | B2056_TX_PA_SPARE2, 0xee);
 853                         b43_radio_write(dev,
 854                                 offset | B2056_TX_PADA_CASCBIAS, 0x03);
 855                         b43_radio_write(dev,
 856                                 offset | B2056_TX_INTPAA_IAUX_STAT, 0x50);
 857                         b43_radio_write(dev,
 858                                 offset | B2056_TX_INTPAA_IMAIN_STAT, 0x50);
 859                         b43_radio_write(dev,
 860                                 offset | B2056_TX_INTPAA_CASCBIAS, 0x30);
 861                 }
 862         }
 863
 864         udelay(50);
 865         /* VCO calibration */
 866         b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
 867         b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
 868         b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
 869         b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
 870         b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
 871         udelay(300);
 872 }
 873
 874 static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
 875 {
 876         struct b43_phy *phy = &dev->phy;
 877         u16 mast2, tmp;
 878
 879         if (phy->rev != 3)
 880                 return 0;
 881
 882         mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
 883         b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
 884
 885         udelay(10);
 886         b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
 887         udelay(10);
 888         b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
 889
 890         if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
 891                                   1000000)) {
 892                 b43err(dev->wl, "Radio recalibration timeout\n");
 893                 return 0;
 894         }
 895
 896         b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
 897         tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
 898         b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
 899
 900         b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
 901
 902         return tmp & 0x1f;
 903 }
 904
 905 static void b43_radio_init2056_pre(struct b43_wldev *dev)
 906 {
 907         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 908                      ~B43_NPHY_RFCTL_CMD_CHIP0PU);
 909         /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
 910         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 911                      B43_NPHY_RFCTL_CMD_OEPORFORCE);
 912         b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 913                     ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
 914         b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 915                     B43_NPHY_RFCTL_CMD_CHIP0PU);
 916 }
 917
 918 static void b43_radio_init2056_post(struct b43_wldev *dev)
 919 {
 920         b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
 921         b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
 922         b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
 923         msleep(1);
 924         b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
 925         b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
 926         b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
 927         if (dev->phy.n->init_por)
 928                 b43_radio_2056_rcal(dev);
 929 }
 930
 931 /*
 932  * Initialize a Broadcom 2056 N-radio
 933  * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
 934  */
 935 static void b43_radio_init2056(struct b43_wldev *dev)
 936 {
 937         b43_radio_init2056_pre(dev);
 938         b2056_upload_inittabs(dev, 0, 0);
 939         b43_radio_init2056_post(dev);
 940
 941         dev->phy.n->init_por = false;
 942 }
 943
 944 /**************************************************
 945  * Radio 0x2055
 946  **************************************************/
 947
 948 static void b43_chantab_radio_upload(struct b43_wldev *dev,
 949                                 const struct b43_nphy_channeltab_entry_rev2 *e)
 950 {
 951         b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
 952         b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
 953         b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
 954         b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
 955         b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 956
 957         b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
 958         b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
 959         b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
 960         b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
 961         b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 962
 963         b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
 964         b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
 965         b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
 966         b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
 967         b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 968
 969         b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
 970         b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
 971         b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
 972         b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
 973         b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 974
 975         b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
 976         b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
 977         b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
 978         b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
 979         b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 980
 981         b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
 982         b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
 983 }
 984
 985 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
 986 static void b43_radio_2055_setup(struct b43_wldev *dev,
 987                                 const struct b43_nphy_channeltab_entry_rev2 *e)
 988 {
 989         B43_WARN_ON(dev->phy.rev >= 3);
 990
 991         b43_chantab_radio_upload(dev, e);
 992         udelay(50);
 993         b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
 994         b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
 995         b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 996         b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
 997         udelay(300);
 998 }
 999
1000 static void b43_radio_init2055_pre(struct b43_wldev *dev)
1001 {
1002         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1003                      ~B43_NPHY_RFCTL_CMD_PORFORCE);
1004         b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1005                     B43_NPHY_RFCTL_CMD_CHIP0PU |
1006                     B43_NPHY_RFCTL_CMD_OEPORFORCE);
1007         b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1008                     B43_NPHY_RFCTL_CMD_PORFORCE);
1009 }
1010
1011 static void b43_radio_init2055_post(struct b43_wldev *dev)
1012 {
1013         struct b43_phy_n *nphy = dev->phy.n;
1014         struct ssb_sprom *sprom = dev->dev->bus_sprom;
1015         bool workaround = false;
1016
1017         if (sprom->revision < 4)
1018                 workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
1019                               && dev->dev->board_type == SSB_BOARD_CB2_4321
1020                               && dev->dev->board_rev >= 0x41);
1021         else
1022                 workaround =
1023                         !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
1024
1025         b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
1026         if (workaround) {
1027                 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
1028                 b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
1029         }
1030         b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
1031         b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
1032         b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
1033         b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
1034         b43_radio_set(dev, B2055_CAL_MISC, 0x1);
1035         msleep(1);
1036         b43_radio_set(dev, B2055_CAL_MISC, 0x40);
1037         if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
1038                 b43err(dev->wl, "radio post init timeout\n");
1039         b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
1040         b43_switch_channel(dev, dev->phy.channel);
1041         b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
1042         b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
1043         b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
1044         b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
1045         b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
1046         b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
1047         if (!nphy->gain_boost) {
1048                 b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
1049                 b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
1050         } else {
1051                 b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
1052                 b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
1053         }
1054         udelay(2);
1055 }
1056
1057 /*
1058  * Initialize a Broadcom 2055 N-radio
1059  * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
1060  */
1061 static void b43_radio_init2055(struct b43_wldev *dev)
1062 {
1063         b43_radio_init2055_pre(dev);
1064         if (b43_status(dev) < B43_STAT_INITIALIZED) {
1065                 /* Follow wl, not specs. Do not force uploading all regs */
1066                 b2055_upload_inittab(dev, 0, 0);
1067         } else {
1068                 bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
1069                 b2055_upload_inittab(dev, ghz5, 0);
1070         }
1071         b43_radio_init2055_post(dev);
1072 }
1073
1074 /**************************************************
1075  * Samples
1076  **************************************************/
1077
1078 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
1079 static int b43_nphy_load_samples(struct b43_wldev *dev,
1080                                         struct b43_c32 *samples, u16 len) {
1081         struct b43_phy_n *nphy = dev->phy.n;
1082         u16 i;
1083         u32 *data;
1084
1085         data = kzalloc(len * sizeof(u32), GFP_KERNEL);
1086         if (!data) {
1087                 b43err(dev->wl, "allocation for samples loading failed\n");
1088                 return -ENOMEM;
1089         }
1090         if (nphy->hang_avoid)
1091                 b43_nphy_stay_in_carrier_search(dev, 1);
1092
1093         for (i = 0; i < len; i++) {
1094                 data[i] = (samples[i].i & 0x3FF << 10);
1095                 data[i] |= samples[i].q & 0x3FF;
1096         }
1097         b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
1098
1099         kfree(data);
1100         if (nphy->hang_avoid)
1101                 b43_nphy_stay_in_carrier_search(dev, 0);
1102         return 0;
1103 }
1104
1105 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
1106 static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
1107                                         bool test)
1108 {
1109         int i;
1110         u16 bw, len, rot, angle;
1111         struct b43_c32 *samples;
1112
1113
1114         bw = (dev->phy.is_40mhz) ? 40 : 20;
1115         len = bw << 3;
1116
1117         if (test) {
1118                 if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
1119                         bw = 82;
1120                 else
1121                         bw = 80;
1122
1123                 if (dev->phy.is_40mhz)
1124                         bw <<= 1;
1125
1126                 len = bw << 1;
1127         }
1128
1129         samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
1130         if (!samples) {
1131                 b43err(dev->wl, "allocation for samples generation failed\n");
1132                 return 0;
1133         }
1134         rot = (((freq * 36) / bw) << 16) / 100;
1135         angle = 0;
1136
1137         for (i = 0; i < len; i++) {
1138                 samples[i] = b43_cordic(angle);
1139                 angle += rot;
1140                 samples[i].q = CORDIC_CONVERT(samples[i].q * max);
1141                 samples[i].i = CORDIC_CONVERT(samples[i].i * max);
1142         }
1143
1144         i = b43_nphy_load_samples(dev, samples, len);
1145         kfree(samples);
1146         return (i < 0) ? 0 : len;
1147 }
1148
1149 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
1150 static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
1151                                         u16 wait, bool iqmode, bool dac_test)
1152 {
1153         struct b43_phy_n *nphy = dev->phy.n;
1154         int i;
1155         u16 seq_mode;
1156         u32 tmp;
1157
1158         if (nphy->hang_avoid)
1159                 b43_nphy_stay_in_carrier_search(dev, true);
1160
1161         if ((nphy->bb_mult_save & 0x80000000) == 0) {
1162                 tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
1163                 nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
1164         }
1165
1166         if (!dev->phy.is_40mhz)
1167                 tmp = 0x6464;
1168         else
1169                 tmp = 0x4747;
1170         b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1171
1172         if (nphy->hang_avoid)
1173                 b43_nphy_stay_in_carrier_search(dev, false);
1174
1175         b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1176
1177         if (loops != 0xFFFF)
1178                 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
1179         else
1180                 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1181
1182         b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1183
1184         seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1185
1186         b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
1187         if (iqmode) {
1188                 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1189                 b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
1190         } else {
1191                 if (dac_test)
1192                         b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
1193                 else
1194                         b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
1195         }
1196         for (i = 0; i < 100; i++) {
1197                 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
1198                         i = 0;
1199                         break;
1200                 }
1201                 udelay(10);
1202         }
1203         if (i)
1204                 b43err(dev->wl, "run samples timeout\n");
1205
1206         b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1207 }
1208
1209 /**************************************************
1210  * RSSI
1211  **************************************************/
1212
1213 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
1214 static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
1215                                         s8 offset, u8 core,
1216                                         enum n_rail_type rail,
1217                                         enum n_rssi_type rssi_type)
1218 {
1219         u16 tmp;
1220         bool core1or5 = (core == 1) || (core == 5);
1221         bool core2or5 = (core == 2) || (core == 5);
1222
1223         offset = clamp_val(offset, -32, 31);
1224         tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
1225
1226         switch (rssi_type) {
1227         case N_RSSI_NB:
1228                 if (core1or5 && rail == N_RAIL_I)
1229                         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
1230                 if (core1or5 && rail == N_RAIL_Q)
1231                         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
1232                 if (core2or5 && rail == N_RAIL_I)
1233                         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
1234                 if (core2or5 && rail == N_RAIL_Q)
1235                         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
1236                 break;
1237         case N_RSSI_W1:
1238                 if (core1or5 && rail == N_RAIL_I)
1239                         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
1240                 if (core1or5 && rail == N_RAIL_Q)
1241                         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
1242                 if (core2or5 && rail == N_RAIL_I)
1243                         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
1244                 if (core2or5 && rail == N_RAIL_Q)
1245                         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
1246                 break;
1247         case N_RSSI_W2:
1248                 if (core1or5 && rail == N_RAIL_I)
1249                         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
1250                 if (core1or5 && rail == N_RAIL_Q)
1251                         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
1252                 if (core2or5 && rail == N_RAIL_I)
1253                         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
1254                 if (core2or5 && rail == N_RAIL_Q)
1255                         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
1256                 break;
1257         case N_RSSI_TBD:
1258                 if (core1or5 && rail == N_RAIL_I)
1259                         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
1260                 if (core1or5 && rail == N_RAIL_Q)
1261                         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
1262                 if (core2or5 && rail == N_RAIL_I)
1263                         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
1264                 if (core2or5 && rail == N_RAIL_Q)
1265                         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
1266                 break;
1267         case N_RSSI_IQ:
1268                 if (core1or5 && rail == N_RAIL_I)
1269                         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
1270                 if (core1or5 && rail == N_RAIL_Q)
1271                         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
1272                 if (core2or5 && rail == N_RAIL_I)
1273                         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
1274                 if (core2or5 && rail == N_RAIL_Q)
1275                         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
1276                 break;
1277         case N_RSSI_TSSI_2G:
1278                 if (core1or5)
1279                         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
1280                 if (core2or5)
1281                         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
1282                 break;
1283         case N_RSSI_TSSI_5G:
1284                 if (core1or5)
1285                         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
1286                 if (core2or5)
1287                         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1288                 break;
1289         }
1290 }
1291
1292 static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code,
1293                                       enum n_rssi_type rssi_type)
1294 {
1295         u8 i;
1296         u16 reg, val;
1297
1298         if (code == 0) {
1299                 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
1300                 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
1301                 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
1302                 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
1303                 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
1304                 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
1305                 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
1306                 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
1307         } else {
1308                 for (i = 0; i < 2; i++) {
1309                         if ((code == 1 && i == 1) || (code == 2 && !i))
1310                                 continue;
1311
1312                         reg = (i == 0) ?
1313                                 B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
1314                         b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1315
1316                         if (rssi_type == N_RSSI_W1 ||
1317                             rssi_type == N_RSSI_W2 ||
1318                             rssi_type == N_RSSI_NB) {
1319                                 reg = (i == 0) ?
1320                                         B43_NPHY_AFECTL_C1 :
1321                                         B43_NPHY_AFECTL_C2;
1322                                 b43_phy_maskset(dev, reg, 0xFCFF, 0);
1323
1324                                 reg = (i == 0) ?
1325                                         B43_NPHY_RFCTL_LUT_TRSW_UP1 :
1326                                         B43_NPHY_RFCTL_LUT_TRSW_UP2;
1327                                 b43_phy_maskset(dev, reg, 0xFFC3, 0);
1328
1329                                 if (rssi_type == N_RSSI_W1)
1330                                         val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
1331                                 else if (rssi_type == N_RSSI_W2)
1332                                         val = 16;
1333                                 else
1334                                         val = 32;
1335                                 b43_phy_set(dev, reg, val);
1336
1337                                 reg = (i == 0) ?
1338                                         B43_NPHY_TXF_40CO_B1S0 :
1339                                         B43_NPHY_TXF_40CO_B32S1;
1340                                 b43_phy_set(dev, reg, 0x0020);
1341                         } else {
1342                                 if (rssi_type == N_RSSI_TBD)
1343                                         val = 0x0100;
1344                                 else if (rssi_type == N_RSSI_IQ)
1345                                         val = 0x0200;
1346                                 else
1347                                         val = 0x0300;
1348
1349                                 reg = (i == 0) ?
1350                                         B43_NPHY_AFECTL_C1 :
1351                                         B43_NPHY_AFECTL_C2;
1352
1353                                 b43_phy_maskset(dev, reg, 0xFCFF, val);
1354                                 b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1355
1356                                 if (rssi_type != N_RSSI_IQ &&
1357                                     rssi_type != N_RSSI_TBD) {
1358                                         enum ieee80211_band band =
1359                                                 b43_current_band(dev->wl);
1360
1361                                         if (b43_nphy_ipa(dev))
1362                                                 val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
1363                                         else
1364                                                 val = 0x11;
1365                                         reg = (i == 0) ? 0x2000 : 0x3000;
1366                                         reg |= B2055_PADDRV;
1367                                         b43_radio_write16(dev, reg, val);
1368
1369                                         reg = (i == 0) ?
1370                                                 B43_NPHY_AFECTL_OVER1 :
1371                                                 B43_NPHY_AFECTL_OVER;
1372                                         b43_phy_set(dev, reg, 0x0200);
1373                                 }
1374                         }
1375                 }
1376         }
1377 }
1378
1379 static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code,
1380                                       enum n_rssi_type rssi_type)
1381 {
1382         u16 val;
1383         bool rssi_w1_w2_nb = false;
1384
1385         switch (rssi_type) {
1386         case N_RSSI_W1:
1387         case N_RSSI_W2:
1388         case N_RSSI_NB:
1389                 val = 0;
1390                 rssi_w1_w2_nb = true;
1391                 break;
1392         case N_RSSI_TBD:
1393                 val = 1;
1394                 break;
1395         case N_RSSI_IQ:
1396                 val = 2;
1397                 break;
1398         default:
1399                 val = 3;
1400         }
1401
1402         val = (val << 12) | (val << 14);
1403         b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
1404         b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
1405
1406         if (rssi_w1_w2_nb) {
1407                 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1408                                 (rssi_type + 1) << 4);
1409                 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1410                                 (rssi_type + 1) << 4);
1411         }
1412
1413         if (code == 0) {
1414                 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
1415                 if (rssi_w1_w2_nb) {
1416                         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1417                                 ~(B43_NPHY_RFCTL_CMD_RXEN |
1418                                   B43_NPHY_RFCTL_CMD_CORESEL));
1419                         b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1420                                 ~(0x1 << 12 |
1421                                   0x1 << 5 |
1422                                   0x1 << 1 |
1423                                   0x1));
1424                         b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1425                                 ~B43_NPHY_RFCTL_CMD_START);
1426                         udelay(20);
1427                         b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1428                 }
1429         } else {
1430                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
1431                 if (rssi_w1_w2_nb) {
1432                         b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
1433                                 ~(B43_NPHY_RFCTL_CMD_RXEN |
1434                                   B43_NPHY_RFCTL_CMD_CORESEL),
1435                                 (B43_NPHY_RFCTL_CMD_RXEN |
1436                                  code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
1437                         b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
1438                                 (0x1 << 12 |
1439                                   0x1 << 5 |
1440                                   0x1 << 1 |
1441                                   0x1));
1442                         b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1443                                 B43_NPHY_RFCTL_CMD_START);
1444                         udelay(20);
1445                         b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1446                 }
1447         }
1448 }
1449
1450 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
1451 static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code,
1452                                  enum n_rssi_type type)
1453 {
1454         if (dev->phy.rev >= 3)
1455                 b43_nphy_rev3_rssi_select(dev, code, type);
1456         else
1457                 b43_nphy_rev2_rssi_select(dev, code, type);
1458 }
1459
1460 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
1461 static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev,
1462                                        enum n_rssi_type rssi_type, u8 *buf)
1463 {
1464         int i;
1465         for (i = 0; i < 2; i++) {
1466                 if (rssi_type == N_RSSI_NB) {
1467                         if (i == 0) {
1468                                 b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
1469                                                   0xFC, buf[0]);
1470                                 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1471                                                   0xFC, buf[1]);
1472                         } else {
1473                                 b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
1474                                                   0xFC, buf[2 * i]);
1475                                 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1476                                                   0xFC, buf[2 * i + 1]);
1477                         }
1478                 } else {
1479                         if (i == 0)
1480                                 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1481                                                   0xF3, buf[0] << 2);
1482                         else
1483                                 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1484                                                   0xF3, buf[2 * i + 1] << 2);
1485                 }
1486         }
1487 }
1488
1489 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
1490 static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type,
1491                               s32 *buf, u8 nsamp)
1492 {
1493         int i;
1494         int out;
1495         u16 save_regs_phy[9];
1496         u16 s[2];
1497
1498         if (dev->phy.rev >= 3) {
1499                 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1500                 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1501                 save_regs_phy[2] = b43_phy_read(dev,
1502                                                 B43_NPHY_RFCTL_LUT_TRSW_UP1);
1503                 save_regs_phy[3] = b43_phy_read(dev,
1504                                                 B43_NPHY_RFCTL_LUT_TRSW_UP2);
1505                 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
1506                 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1507                 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
1508                 save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
1509                 save_regs_phy[8] = 0;
1510         } else {
1511                 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1512                 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1513                 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1514                 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
1515                 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
1516                 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
1517                 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
1518                 save_regs_phy[7] = 0;
1519                 save_regs_phy[8] = 0;
1520         }
1521
1522         b43_nphy_rssi_select(dev, 5, rssi_type);
1523
1524         if (dev->phy.rev < 2) {
1525                 save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
1526                 b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
1527         }
1528
1529         for (i = 0; i < 4; i++)
1530                 buf[i] = 0;
1531
1532         for (i = 0; i < nsamp; i++) {
1533                 if (dev->phy.rev < 2) {
1534                         s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
1535                         s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
1536                 } else {
1537                         s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
1538                         s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
1539                 }
1540
1541                 buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
1542                 buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
1543                 buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
1544                 buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
1545         }
1546         out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
1547                 (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
1548
1549         if (dev->phy.rev < 2)
1550                 b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
1551
1552         if (dev->phy.rev >= 3) {
1553                 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
1554                 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1555                 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
1556                                 save_regs_phy[2]);
1557                 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1558                                 save_regs_phy[3]);
1559                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
1560                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
1561                 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
1562                 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
1563         } else {
1564                 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
1565                 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1566                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
1567                 b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
1568                 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
1569                 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
1570                 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
1571         }
1572
1573         return out;
1574 }
1575
1576 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
1577 static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
1578 {
1579         struct b43_phy_n *nphy = dev->phy.n;
1580
1581         u16 saved_regs_phy_rfctl[2];
1582         u16 saved_regs_phy[13];
1583         u16 regs_to_store[] = {
1584                 B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
1585                 B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
1586                 B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
1587                 B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
1588                 B43_NPHY_RFCTL_CMD,
1589                 B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1590                 B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
1591         };
1592
1593         u16 class;
1594
1595         u16 clip_state[2];
1596         u16 clip_off[2] = { 0xFFFF, 0xFFFF };
1597
1598         u8 vcm_final = 0;
1599         s32 offset[4];
1600         s32 results[8][4] = { };
1601         s32 results_min[4] = { };
1602         s32 poll_results[4] = { };
1603
1604         u16 *rssical_radio_regs = NULL;
1605         u16 *rssical_phy_regs = NULL;
1606
1607         u16 r; /* routing */
1608         u8 rx_core_state;
1609         int core, i, j, vcm;
1610
1611         class = b43_nphy_classifier(dev, 0, 0);
1612         b43_nphy_classifier(dev, 7, 4);
1613         b43_nphy_read_clip_detection(dev, clip_state);
1614         b43_nphy_write_clip_detection(dev, clip_off);
1615
1616         saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
1617         saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1618         for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
1619                 saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
1620
1621         b43_nphy_rf_control_intc_override(dev, 0, 0, 7);
1622         b43_nphy_rf_control_intc_override(dev, 1, 1, 7);
1623         b43_nphy_rf_control_override(dev, 0x1, 0, 0, false);
1624         b43_nphy_rf_control_override(dev, 0x2, 1, 0, false);
1625         b43_nphy_rf_control_override(dev, 0x80, 1, 0, false);
1626         b43_nphy_rf_control_override(dev, 0x40, 1, 0, false);
1627
1628         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1629                 b43_nphy_rf_control_override(dev, 0x20, 0, 0, false);
1630                 b43_nphy_rf_control_override(dev, 0x10, 1, 0, false);
1631         } else {
1632                 b43_nphy_rf_control_override(dev, 0x10, 0, 0, false);
1633                 b43_nphy_rf_control_override(dev, 0x20, 1, 0, false);
1634         }
1635
1636         rx_core_state = b43_nphy_get_rx_core_state(dev);
1637         for (core = 0; core < 2; core++) {
1638                 if (!(rx_core_state & (1 << core)))
1639                         continue;
1640                 r = core ? B2056_RX1 : B2056_RX0;
1641                 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I,
1642                                            N_RSSI_NB);
1643                 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q,
1644                                            N_RSSI_NB);
1645
1646                 /* Grab RSSI results for every possible VCM */
1647                 for (vcm = 0; vcm < 8; vcm++) {
1648                         b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
1649                                         vcm << 2);
1650                         b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
1651                 }
1652
1653                 /* Find out which VCM got the best results */
1654                 for (i = 0; i < 4; i += 2) {
1655                         s32 currd;
1656                         s32 mind = 0x100000;
1657                         s32 minpoll = 249;
1658                         u8 minvcm = 0;
1659                         if (2 * core != i)
1660                                 continue;
1661                         for (vcm = 0; vcm < 8; vcm++) {
1662                                 currd = results[vcm][i] * results[vcm][i] +
1663                                         results[vcm][i + 1] * results[vcm][i];
1664                                 if (currd < mind) {
1665                                         mind = currd;
1666                                         minvcm = vcm;
1667                                 }
1668                                 if (results[vcm][i] < minpoll)
1669                                         minpoll = results[vcm][i];
1670                         }
1671                         vcm_final = minvcm;
1672                         results_min[i] = minpoll;
1673                 }
1674
1675                 /* Select the best VCM */
1676                 b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
1677                                   vcm_final << 2);
1678
1679                 for (i = 0; i < 4; i++) {
1680                         if (core != i / 2)
1681                                 continue;
1682                         offset[i] = -results[vcm_final][i];
1683                         if (offset[i] < 0)
1684                                 offset[i] = -((abs(offset[i]) + 4) / 8);
1685                         else
1686                                 offset[i] = (offset[i] + 4) / 8;
1687                         if (results_min[i] == 248)
1688                                 offset[i] = -32;
1689                         b43_nphy_scale_offset_rssi(dev, 0, offset[i],
1690                                                    (i / 2 == 0) ? 1 : 2,
1691                                                    (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q,
1692                                                    N_RSSI_NB);
1693                 }
1694         }
1695
1696         for (core = 0; core < 2; core++) {
1697                 if (!(rx_core_state & (1 << core)))
1698                         continue;
1699                 for (i = 0; i < 2; i++) {
1700                         b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
1701                                                    N_RAIL_I, i);
1702                         b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
1703                                                    N_RAIL_Q, i);
1704                         b43_nphy_poll_rssi(dev, i, poll_results, 8);
1705                         for (j = 0; j < 4; j++) {
1706                                 if (j / 2 == core) {
1707                                         offset[j] = 232 - poll_results[j];
1708                                         if (offset[j] < 0)
1709                                                 offset[j] = -(abs(offset[j] + 4) / 8);
1710                                         else
1711                                                 offset[j] = (offset[j] + 4) / 8;
1712                                         b43_nphy_scale_offset_rssi(dev, 0,
1713                                                 offset[2 * core], core + 1, j % 2, i);
1714                                 }
1715                         }
1716                 }
1717         }
1718
1719         b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
1720         b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);
1721
1722         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
1723
1724         b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
1725         b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
1726         b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
1727
1728         b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
1729         b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
1730         b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
1731
1732         for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
1733                 b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
1734
1735         /* Store for future configuration */
1736         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
1737                 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
1738                 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
1739         } else {
1740                 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
1741                 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
1742         }
1743         rssical_radio_regs[0] = b43_radio_read(dev, 0x602B);
1744         rssical_radio_regs[0] = b43_radio_read(dev, 0x702B);
1745         rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
1746         rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
1747         rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
1748         rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
1749         rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
1750         rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
1751         rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
1752         rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
1753         rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
1754         rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
1755         rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
1756         rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);
1757
1758         /* Remember for which channel we store configuration */
1759         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
1760                 nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq;
1761         else
1762                 nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq;
1763
1764         /* End of calibration, restore configuration */
1765         b43_nphy_classifier(dev, 7, class);
1766         b43_nphy_write_clip_detection(dev, clip_state);
1767 }
1768
1769 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
1770 static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type)
1771 {
1772         int i, j, vcm;
1773         u8 state[4];
1774         u8 code, val;
1775         u16 class, override;
1776         u8 regs_save_radio[2];
1777         u16 regs_save_phy[2];
1778
1779         s32 offset[4];
1780         u8 core;
1781         u8 rail;
1782
1783         u16 clip_state[2];
1784         u16 clip_off[2] = { 0xFFFF, 0xFFFF };
1785         s32 results_min[4] = { };
1786         u8 vcm_final[4] = { };
1787         s32 results[4][4] = { };
1788         s32 miniq[4][2] = { };
1789
1790         if (type == N_RSSI_NB) {
1791                 code = 0;
1792                 val = 6;
1793         } else if (type == N_RSSI_W1 || type == N_RSSI_W2) {
1794                 code = 25;
1795                 val = 4;
1796         } else {
1797                 B43_WARN_ON(1);
1798                 return;
1799         }
1800
1801         class = b43_nphy_classifier(dev, 0, 0);
1802         b43_nphy_classifier(dev, 7, 4);
1803         b43_nphy_read_clip_detection(dev, clip_state);
1804         b43_nphy_write_clip_detection(dev, clip_off);
1805
1806         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
1807                 override = 0x140;
1808         else
1809                 override = 0x110;
1810
1811         regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
1812         regs_save_radio[0] = b43_radio_read16(dev, B2055_C1_PD_RXTX);
1813         b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
1814         b43_radio_write16(dev, B2055_C1_PD_RXTX, val);
1815
1816         regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1817         regs_save_radio[1] = b43_radio_read16(dev, B2055_C2_PD_RXTX);
1818         b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
1819         b43_radio_write16(dev, B2055_C2_PD_RXTX, val);
1820
1821         state[0] = b43_radio_read16(dev, B2055_C1_PD_RSSIMISC) & 0x07;
1822         state[1] = b43_radio_read16(dev, B2055_C2_PD_RSSIMISC) & 0x07;
1823         b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
1824         b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
1825         state[2] = b43_radio_read16(dev, B2055_C1_SP_RSSI) & 0x07;
1826         state[3] = b43_radio_read16(dev, B2055_C2_SP_RSSI) & 0x07;
1827
1828         b43_nphy_rssi_select(dev, 5, type);
1829         b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type);
1830         b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type);
1831
1832         for (vcm = 0; vcm < 4; vcm++) {
1833                 u8 tmp[4];
1834                 for (j = 0; j < 4; j++)
1835                         tmp[j] = vcm;
1836                 if (type != N_RSSI_W2)
1837                         b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
1838                 b43_nphy_poll_rssi(dev, type, results[vcm], 8);
1839                 if (type == N_RSSI_W1 || type == N_RSSI_W2)
1840                         for (j = 0; j < 2; j++)
1841                                 miniq[vcm][j] = min(results[vcm][2 * j],
1842                                                     results[vcm][2 * j + 1]);
1843         }
1844
1845         for (i = 0; i < 4; i++) {
1846                 s32 mind = 0x100000;
1847                 u8 minvcm = 0;
1848                 s32 minpoll = 249;
1849                 s32 currd;
1850                 for (vcm = 0; vcm < 4; vcm++) {
1851                         if (type == N_RSSI_NB)
1852                                 currd = abs(results[vcm][i] - code * 8);
1853                         else
1854                                 currd = abs(miniq[vcm][i / 2] - code * 8);
1855
1856                         if (currd < mind) {
1857                                 mind = currd;
1858                                 minvcm = vcm;
1859                         }
1860
1861                         if (results[vcm][i] < minpoll)
1862                                 minpoll = results[vcm][i];
1863                 }
1864                 results_min[i] = minpoll;
1865                 vcm_final[i] = minvcm;
1866         }
1867
1868         if (type != N_RSSI_W2)
1869                 b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
1870
1871         for (i = 0; i < 4; i++) {
1872                 offset[i] = (code * 8) - results[vcm_final[i]][i];
1873
1874                 if (offset[i] < 0)
1875                         offset[i] = -((abs(offset[i]) + 4) / 8);
1876                 else
1877                         offset[i] = (offset[i] + 4) / 8;
1878
1879                 if (results_min[i] == 248)
1880                         offset[i] = code - 32;
1881
1882                 core = (i / 2) ? 2 : 1;
1883                 rail = (i % 2) ? N_RAIL_Q : N_RAIL_I;
1884
1885                 b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
1886                                                 type);
1887         }
1888
1889         b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
1890         b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
1891
1892         switch (state[2]) {
1893         case 1:
1894                 b43_nphy_rssi_select(dev, 1, N_RSSI_NB);
1895                 break;
1896         case 4:
1897                 b43_nphy_rssi_select(dev, 1, N_RSSI_W1);
1898                 break;
1899         case 2:
1900                 b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
1901                 break;
1902         default:
1903                 b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
1904                 break;
1905         }
1906
1907         switch (state[3]) {
1908         case 1:
1909                 b43_nphy_rssi_select(dev, 2, N_RSSI_NB);
1910                 break;
1911         case 4:
1912                 b43_nphy_rssi_select(dev, 2, N_RSSI_W1);
1913                 break;
1914         default:
1915                 b43_nphy_rssi_select(dev, 2, N_RSSI_W2);
1916                 break;
1917         }
1918
1919         b43_nphy_rssi_select(dev, 0, type);
1920
1921         b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
1922         b43_radio_write16(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
1923         b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
1924         b43_radio_write16(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
1925
1926         b43_nphy_classifier(dev, 7, class);
1927         b43_nphy_write_clip_detection(dev, clip_state);
1928         /* Specs don't say about reset here, but it makes wl and b43 dumps
1929            identical, it really seems wl performs this */
1930         b43_nphy_reset_cca(dev);
1931 }
1932
1933 /*
1934  * RSSI Calibration
1935  * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
1936  */
1937 static void b43_nphy_rssi_cal(struct b43_wldev *dev)
1938 {
1939         if (dev->phy.rev >= 3) {
1940                 b43_nphy_rev3_rssi_cal(dev);
1941         } else {
1942                 b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB);
1943                 b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1);
1944                 b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2);
1945         }
1946 }
1947
1948 /**************************************************
1949  * Workarounds
1950  **************************************************/
1951
1952 static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
1953 {
1954         struct ssb_sprom *sprom = dev->dev->bus_sprom;
1955
1956         bool ghz5;
1957         bool ext_lna;
1958         u16 rssi_gain;
1959         struct nphy_gain_ctl_workaround_entry *e;
1960         u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
1961         u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
1962
1963         /* Prepare values */
1964         ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
1965                 & B43_NPHY_BANDCTL_5GHZ;
1966         ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
1967                 sprom->boardflags_lo & B43_BFL_EXTLNA;
1968         e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
1969         if (ghz5 && dev->phy.rev >= 5)
1970                 rssi_gain = 0x90;
1971         else
1972                 rssi_gain = 0x50;
1973
1974         b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
1975
1976         /* Set Clip 2 detect */
1977         b43_phy_set(dev, B43_NPHY_C1_CGAINI,
1978                         B43_NPHY_C1_CGAINI_CL2DETECT);
1979         b43_phy_set(dev, B43_NPHY_C2_CGAINI,
1980                         B43_NPHY_C2_CGAINI_CL2DETECT);
1981
1982         b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1983                         0x17);
1984         b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1985                         0x17);
1986         b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
1987         b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
1988         b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
1989         b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
1990         b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
1991                         rssi_gain);
1992         b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
1993                         rssi_gain);
1994         b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
1995                         0x17);
1996         b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
1997                         0x17);
1998         b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
1999         b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
2000
2001         b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
2002         b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
2003         b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
2004         b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
2005         b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
2006         b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
2007         b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
2008         b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
2009         b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
2010         b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
2011         b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
2012         b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
2013
2014         b43_phy_write(dev, B43_NPHY_C1_INITGAIN, e->init_gain);
2015         b43_phy_write(dev, 0x2A7, e->init_gain);
2016         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
2017                                 e->rfseq_init);
2018
2019         /* TODO: check defines. Do not match variables names */
2020         b43_phy_write(dev, B43_NPHY_C1_CLIP1_MEDGAIN, e->cliphi_gain);
2021         b43_phy_write(dev, 0x2A9, e->cliphi_gain);
2022         b43_phy_write(dev, B43_NPHY_C1_CLIP2_GAIN, e->clipmd_gain);
2023         b43_phy_write(dev, 0x2AB, e->clipmd_gain);
2024         b43_phy_write(dev, B43_NPHY_C2_CLIP1_HIGAIN, e->cliplo_gain);
2025         b43_phy_write(dev, 0x2AD, e->cliplo_gain);
2026
2027         b43_phy_maskset(dev, 0x27D, 0xFF00, e->crsmin);
2028         b43_phy_maskset(dev, 0x280, 0xFF00, e->crsminl);
2029         b43_phy_maskset(dev, 0x283, 0xFF00, e->crsminu);
2030         b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
2031         b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
2032         b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
2033                         ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
2034         b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
2035                         ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
2036         b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2037 }
2038
2039 static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
2040 {
2041         struct b43_phy_n *nphy = dev->phy.n;
2042
2043         u8 i, j;
2044         u8 code;
2045         u16 tmp;
2046         u8 rfseq_events[3] = { 6, 8, 7 };
2047         u8 rfseq_delays[3] = { 10, 30, 1 };
2048
2049         /* Set Clip 2 detect */
2050         b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
2051         b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
2052
2053         /* Set narrowband clip threshold */
2054         b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
2055         b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
2056
2057         if (!dev->phy.is_40mhz) {
2058                 /* Set dwell lengths */
2059                 b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
2060                 b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
2061                 b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
2062                 b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
2063         }
2064
2065         /* Set wideband clip 2 threshold */
2066         b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
2067                         ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
2068         b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
2069                         ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
2070
2071         if (!dev->phy.is_40mhz) {
2072                 b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
2073                         ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
2074                 b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
2075                         ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
2076                 b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
2077                         ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
2078                 b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
2079                         ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
2080         }
2081
2082         b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2083
2084         if (nphy->gain_boost) {
2085                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
2086                         dev->phy.is_40mhz)
2087                         code = 4;
2088                 else
2089                         code = 5;
2090         } else {
2091                 code = dev->phy.is_40mhz ? 6 : 7;
2092         }
2093
2094         /* Set HPVGA2 index */
2095         b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
2096                         code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
2097         b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
2098                         code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
2099
2100         b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2101         /* specs say about 2 loops, but wl does 4 */
2102         for (i = 0; i < 4; i++)
2103                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
2104
2105         b43_nphy_adjust_lna_gain_table(dev);
2106
2107         if (nphy->elna_gain_config) {
2108                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
2109                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
2110                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2111                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2112                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2113
2114                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
2115                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
2116                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2117                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2118                 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2119
2120                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2121                 /* specs say about 2 loops, but wl does 4 */
2122                 for (i = 0; i < 4; i++)
2123                         b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
2124                                                 (code << 8 | 0x74));
2125         }
2126
2127         if (dev->phy.rev == 2) {
2128                 for (i = 0; i < 4; i++) {
2129                         b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
2130                                         (0x0400 * i) + 0x0020);
2131                         for (j = 0; j < 21; j++) {
2132                                 tmp = j * (i < 2 ? 3 : 1);
2133                                 b43_phy_write(dev,
2134                                         B43_NPHY_TABLE_DATALO, tmp);
2135                         }
2136                 }
2137         }
2138
2139         b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
2140         b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
2141                 ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
2142                 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
2143
2144         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
2145                 b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
2146 }
2147
2148 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
2149 static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
2150 {
2151         if (dev->phy.rev >= 7)
2152                 ; /* TODO */
2153         else if (dev->phy.rev >= 3)
2154                 b43_nphy_gain_ctl_workarounds_rev3plus(dev);
2155         else
2156                 b43_nphy_gain_ctl_workarounds_rev1_2(dev);
2157 }
2158
2159 /* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
2160 static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
2161 {
2162         if (!offset)
2163                 offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
2164         return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
2165 }
2166
2167 static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
2168 {
2169         struct ssb_sprom *sprom = dev->dev->bus_sprom;
2170         struct b43_phy *phy = &dev->phy;
2171
2172         u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
2173                                         0x1F };
2174         u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
2175
2176         u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
2177         u8 ntab7_138_146[] = { 0x11, 0x11 };
2178         u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
2179
2180         u16 lpf_20, lpf_40, lpf_11b;
2181         u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
2182         u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
2183         bool rccal_ovrd = false;
2184
2185         u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
2186         u16 bias, conv, filt;
2187
2188         u32 tmp32;
2189         u8 core;
2190
2191         if (phy->rev == 7) {
2192                 b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
2193                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
2194                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
2195                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
2196                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
2197                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
2198                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
2199                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
2200                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
2201                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
2202                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
2203                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
2204                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
2205                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
2206                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
2207                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
2208                 b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
2209         }
2210         if (phy->rev <= 8) {
2211                 b43_phy_write(dev, 0x23F, 0x1B0);
2212                 b43_phy_write(dev, 0x240, 0x1B0);
2213         }
2214         if (phy->rev >= 8)
2215                 b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
2216
2217         b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
2218         b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
2219         tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
2220         tmp32 &= 0xffffff;
2221         b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2222         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
2223         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);
2224
2225         if (b43_nphy_ipa(dev))
2226                 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
2227                                 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2228
2229         b43_phy_maskset(dev, 0x299, 0x3FFF, 0x4000);
2230         b43_phy_maskset(dev, 0x29D, 0x3FFF, 0x4000);
2231
2232         lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
2233         lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
2234         lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
2235         if (b43_nphy_ipa(dev)) {
2236                 if ((phy->radio_rev == 5 && phy->is_40mhz) ||
2237                     phy->radio_rev == 7 || phy->radio_rev == 8) {
2238                         bcap_val = b43_radio_read(dev, 0x16b);
2239                         scap_val = b43_radio_read(dev, 0x16a);
2240                         scap_val_11b = scap_val;
2241                         bcap_val_11b = bcap_val;
2242                         if (phy->radio_rev == 5 && phy->is_40mhz) {
2243                                 scap_val_11n_20 = scap_val;
2244                                 bcap_val_11n_20 = bcap_val;
2245                                 scap_val_11n_40 = bcap_val_11n_40 = 0xc;
2246                                 rccal_ovrd = true;
2247                         } else { /* Rev 7/8 */
2248                                 lpf_20 = 4;
2249                                 lpf_11b = 1;
2250                                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2251                                         scap_val_11n_20 = 0xc;
2252                                         bcap_val_11n_20 = 0xc;
2253                                         scap_val_11n_40 = 0xa;
2254                                         bcap_val_11n_40 = 0xa;
2255                                 } else {
2256                                         scap_val_11n_20 = 0x14;
2257                                         bcap_val_11n_20 = 0x14;
2258                                         scap_val_11n_40 = 0xf;
2259                                         bcap_val_11n_40 = 0xf;
2260                                 }
2261                                 rccal_ovrd = true;
2262                         }
2263                 }
2264         } else {
2265                 if (phy->radio_rev == 5) {
2266                         lpf_20 = 1;
2267                         lpf_40 = 3;
2268                         bcap_val = b43_radio_read(dev, 0x16b);
2269                         scap_val = b43_radio_read(dev, 0x16a);
2270                         scap_val_11b = scap_val;
2271                         bcap_val_11b = bcap_val;
2272                         scap_val_11n_20 = 0x11;
2273                         scap_val_11n_40 = 0x11;
2274                         bcap_val_11n_20 = 0x13;
2275                         bcap_val_11n_40 = 0x13;
2276                         rccal_ovrd = true;
2277                 }
2278         }
2279         if (rccal_ovrd) {
2280                 rx2tx_lut_20_11b = (bcap_val_11b << 8) |
2281                                    (scap_val_11b << 3) |
2282                                    lpf_11b;
2283                 rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
2284                                    (scap_val_11n_20 << 3) |
2285                                    lpf_20;
2286                 rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
2287                                    (scap_val_11n_40 << 3) |
2288                                    lpf_40;
2289                 for (core = 0; core < 2; core++) {
2290                         b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
2291                                        rx2tx_lut_20_11b);
2292                         b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
2293                                        rx2tx_lut_20_11n);
2294                         b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
2295                                        rx2tx_lut_20_11n);
2296                         b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
2297                                        rx2tx_lut_40_11n);
2298                         b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
2299                                        rx2tx_lut_40_11n);
2300                         b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
2301                                        rx2tx_lut_40_11n);
2302                         b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
2303                                        rx2tx_lut_40_11n);
2304                         b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
2305                                        rx2tx_lut_40_11n);
2306                 }
2307                 b43_nphy_rf_control_override_rev7(dev, 16, 1, 3, false, 2);
2308         }
2309         b43_phy_write(dev, 0x32F, 0x3);
2310         if (phy->radio_rev == 4 || phy->radio_rev == 6)
2311                 b43_nphy_rf_control_override_rev7(dev, 4, 1, 3, false, 0);
2312
2313         if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
2314                 if (sprom->revision &&
2315                     sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
2316                         b43_radio_write(dev, 0x5, 0x05);
2317                         b43_radio_write(dev, 0x6, 0x30);
2318                         b43_radio_write(dev, 0x7, 0x00);
2319                         b43_radio_set(dev, 0x4f, 0x1);
2320                         b43_radio_set(dev, 0xd4, 0x1);
2321                         bias = 0x1f;
2322                         conv = 0x6f;
2323                         filt = 0xaa;
2324                 } else {
2325                         bias = 0x2b;
2326                         conv = 0x7f;
2327                         filt = 0xee;
2328                 }
2329                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2330                         for (core = 0; core < 2; core++) {
2331                                 if (core == 0) {
2332                                         b43_radio_write(dev, 0x5F, bias);
2333                                         b43_radio_write(dev, 0x64, conv);
2334                                         b43_radio_write(dev, 0x66, filt);
2335                                 } else {
2336                                         b43_radio_write(dev, 0xE8, bias);
2337                                         b43_radio_write(dev, 0xE9, conv);
2338                                         b43_radio_write(dev, 0xEB, filt);
2339                                 }
2340                         }
2341                 }
2342         }
2343
2344         if (b43_nphy_ipa(dev)) {
2345                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2346                         if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
2347                             phy->radio_rev == 6) {
2348                                 for (core = 0; core < 2; core++) {
2349                                         if (core == 0)
2350                                                 b43_radio_write(dev, 0x51,
2351                                                                 0x7f);
2352                                         else
2353                                                 b43_radio_write(dev, 0xd6,
2354                                                                 0x7f);
2355                                 }
2356                         }
2357                         if (phy->radio_rev == 3) {
2358                                 for (core = 0; core < 2; core++) {
2359                                         if (core == 0) {
2360                                                 b43_radio_write(dev, 0x64,
2361                                                                 0x13);
2362                                                 b43_radio_write(dev, 0x5F,
2363                                                                 0x1F);
2364                                                 b43_radio_write(dev, 0x66,
2365                                                                 0xEE);
2366                                                 b43_radio_write(dev, 0x59,
2367                                                                 0x8A);
2368                                                 b43_radio_write(dev, 0x80,
2369                                                                 0x3E);
2370                                         } else {
2371                                                 b43_radio_write(dev, 0x69,
2372                                                                 0x13);
2373                                                 b43_radio_write(dev, 0xE8,
2374                                                                 0x1F);
2375                                                 b43_radio_write(dev, 0xEB,
2376                                                                 0xEE);
2377                                                 b43_radio_write(dev, 0xDE,
2378                                                                 0x8A);
2379                                                 b43_radio_write(dev, 0x105,
2380                                                                 0x3E);
2381                                         }
2382                                 }
2383                         } else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
2384                                 if (!phy->is_40mhz) {
2385                                         b43_radio_write(dev, 0x5F, 0x14);
2386                                         b43_radio_write(dev, 0xE8, 0x12);
2387                                 } else {
2388                                         b43_radio_write(dev, 0x5F, 0x16);
2389                                         b43_radio_write(dev, 0xE8, 0x16);
2390                                 }
2391                         }
2392                 } else {
2393                         u16 freq = phy->channel_freq;
2394                         if ((freq >= 5180 && freq <= 5230) ||
2395                             (freq >= 5745 && freq <= 5805)) {
2396                                 b43_radio_write(dev, 0x7D, 0xFF);
2397                                 b43_radio_write(dev, 0xFE, 0xFF);
2398                         }
2399                 }
2400         } else {
2401                 if (phy->radio_rev != 5) {
2402                         for (core = 0; core < 2; core++) {
2403                                 if (core == 0) {
2404                                         b43_radio_write(dev, 0x5c, 0x61);
2405                                         b43_radio_write(dev, 0x51, 0x70);
2406                                 } else {
2407                                         b43_radio_write(dev, 0xe1, 0x61);
2408                                         b43_radio_write(dev, 0xd6, 0x70);
2409                                 }
2410                         }
2411                 }
2412         }
2413
2414         if (phy->radio_rev == 4) {
2415                 b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
2416                 b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
2417                 for (core = 0; core < 2; core++) {
2418                         if (core == 0) {
2419                                 b43_radio_write(dev, 0x1a1, 0x00);
2420                                 b43_radio_write(dev, 0x1a2, 0x3f);
2421                                 b43_radio_write(dev, 0x1a6, 0x3f);
2422                         } else {
2423                                 b43_radio_write(dev, 0x1a7, 0x00);
2424                                 b43_radio_write(dev, 0x1ab, 0x3f);
2425                                 b43_radio_write(dev, 0x1ac, 0x3f);
2426                         }
2427                 }
2428         } else {
2429                 b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
2430                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
2431                 b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
2432                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
2433
2434                 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
2435                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
2436                 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
2437                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
2438                 b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
2439                 b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
2440
2441                 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
2442                 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
2443                 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
2444                 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
2445         }
2446
2447         b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
2448
2449         b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
2450         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
2451         b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
2452         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
2453         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
2454         b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
2455         b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
2456
2457         if (!phy->is_40mhz) {
2458                 b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
2459                 b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
2460         } else {
2461                 b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
2462                 b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
2463         }
2464
2465         b43_nphy_gain_ctl_workarounds(dev);
2466
2467         /* TODO
2468         b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
2469                             aux_adc_vmid_rev7_core0);
2470         b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
2471                             aux_adc_vmid_rev7_core1);
2472         b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
2473                             aux_adc_gain_rev7);
2474         b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
2475                             aux_adc_gain_rev7);
2476         */
2477 }
2478
2479 static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
2480 {
2481         struct b43_phy_n *nphy = dev->phy.n;
2482         struct ssb_sprom *sprom = dev->dev->bus_sprom;
2483
2484         /* TX to RX */
2485         u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
2486         u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
2487         /* RX to TX */
2488         u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
2489                                         0x1F };
2490         u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
2491         u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
2492         u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
2493
2494         u16 tmp16;
2495         u32 tmp32;
2496
2497         b43_phy_write(dev, 0x23f, 0x1f8);
2498         b43_phy_write(dev, 0x240, 0x1f8);
2499
2500         tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
2501         tmp32 &= 0xffffff;
2502         b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2503
2504         b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
2505         b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
2506         b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
2507         b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
2508         b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
2509         b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
2510
2511         b43_phy_write(dev, B43_NPHY_C2_CLIP1_MEDGAIN, 0x000C);
2512         b43_phy_write(dev, 0x2AE, 0x000C);
2513
2514         /* TX to RX */
2515         b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
2516                                  ARRAY_SIZE(tx2rx_events));
2517
2518         /* RX to TX */
2519         if (b43_nphy_ipa(dev))
2520                 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
2521                                 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2522         if (nphy->hw_phyrxchain != 3 &&
2523             nphy->hw_phyrxchain != nphy->hw_phytxchain) {
2524                 if (b43_nphy_ipa(dev)) {
2525                         rx2tx_delays[5] = 59;
2526                         rx2tx_delays[6] = 1;
2527                         rx2tx_events[7] = 0x1F;
2528                 }
2529                 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
2530                                          ARRAY_SIZE(rx2tx_events));
2531         }
2532
2533         tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
2534                 0x2 : 0x9C40;
2535         b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
2536
2537         b43_phy_maskset(dev, 0x294, 0xF0FF, 0x0700);
2538
2539         if (!dev->phy.is_40mhz) {
2540                 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
2541                 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
2542         } else {
2543                 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
2544                 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
2545         }
2546
2547         b43_nphy_gain_ctl_workarounds(dev);
2548
2549         b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
2550         b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
2551
2552         /* TODO */
2553
2554         b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
2555         b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
2556         b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
2557         b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
2558         b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
2559         b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
2560         b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
2561         b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
2562         b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
2563         b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
2564         b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
2565         b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
2566
2567         /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
2568
2569         if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
2570              b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
2571             (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
2572              b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
2573                 tmp32 = 0x00088888;
2574         else
2575                 tmp32 = 0x88888888;
2576         b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
2577         b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
2578         b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
2579
2580         if (dev->phy.rev == 4 &&
2581             b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2582                 b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
2583                                 0x70);
2584                 b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
2585                                 0x70);
2586         }
2587
2588         /* Dropped probably-always-true condition */
2589         b43_phy_write(dev, 0x224, 0x03eb);
2590         b43_phy_write(dev, 0x225, 0x03eb);
2591         b43_phy_write(dev, 0x226, 0x0341);
2592         b43_phy_write(dev, 0x227, 0x0341);
2593         b43_phy_write(dev, 0x228, 0x042b);
2594         b43_phy_write(dev, 0x229, 0x042b);
2595         b43_phy_write(dev, 0x22a, 0x0381);
2596         b43_phy_write(dev, 0x22b, 0x0381);
2597         b43_phy_write(dev, 0x22c, 0x042b);
2598         b43_phy_write(dev, 0x22d, 0x042b);
2599         b43_phy_write(dev, 0x22e, 0x0381);
2600         b43_phy_write(dev, 0x22f, 0x0381);
2601
2602         if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
2603                 ; /* TODO: 0x0080000000000000 HF */
2604 }
2605
2606 static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
2607 {
2608         struct ssb_sprom *sprom = dev->dev->bus_sprom;
2609         struct b43_phy *phy = &dev->phy;
2610         struct b43_phy_n *nphy = phy->n;
2611
2612         u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
2613         u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
2614
2615         u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
2616         u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
2617
2618         if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
2619             dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) {
2620                 delays1[0] = 0x1;
2621                 delays1[5] = 0x14;
2622         }
2623
2624         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
2625             nphy->band5g_pwrgain) {
2626                 b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
2627                 b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
2628         } else {
2629                 b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
2630                 b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
2631         }
2632
2633         b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
2634         b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
2635         if (dev->phy.rev < 3) {
2636                 b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
2637                 b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
2638         }
2639
2640         if (dev->phy.rev < 2) {
2641                 b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
2642                 b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
2643                 b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
2644                 b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
2645                 b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
2646                 b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
2647         }
2648
2649         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
2650         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
2651         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
2652         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
2653
2654         b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
2655         b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
2656
2657         b43_nphy_gain_ctl_workarounds(dev);
2658
2659         if (dev->phy.rev < 2) {
2660                 if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
2661                         b43_hf_write(dev, b43_hf_read(dev) |
2662                                         B43_HF_MLADVW);
2663         } else if (dev->phy.rev == 2) {
2664                 b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
2665                 b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
2666         }
2667
2668         if (dev->phy.rev < 2)
2669                 b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
2670                                 ~B43_NPHY_SCRAM_SIGCTL_SCM);
2671
2672         /* Set phase track alpha and beta */
2673         b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
2674         b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
2675         b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
2676         b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
2677         b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
2678         b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
2679
2680         if (dev->phy.rev < 3) {
2681                 b43_phy_mask(dev, B43_NPHY_PIL_DW1,
2682                              ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
2683                 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
2684                 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
2685                 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
2686         }
2687
2688         if (dev->phy.rev == 2)
2689                 b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
2690                                 B43_NPHY_FINERX2_CGC_DECGC);
2691 }
2692
2693 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
2694 static void b43_nphy_workarounds(struct b43_wldev *dev)
2695 {
2696         struct b43_phy *phy = &dev->phy;
2697         struct b43_phy_n *nphy = phy->n;
2698
2699         if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2700                 b43_nphy_classifier(dev, 1, 0);
2701         else
2702                 b43_nphy_classifier(dev, 1, 1);
2703
2704         if (nphy->hang_avoid)
2705                 b43_nphy_stay_in_carrier_search(dev, 1);
2706
2707         b43_phy_set(dev, B43_NPHY_IQFLIP,
2708                     B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
2709
2710         if (dev->phy.rev >= 7)
2711                 b43_nphy_workarounds_rev7plus(dev);
2712         else if (dev->phy.rev >= 3)
2713                 b43_nphy_workarounds_rev3plus(dev);
2714         else
2715                 b43_nphy_workarounds_rev1_2(dev);
2716
2717         if (nphy->hang_avoid)
2718                 b43_nphy_stay_in_carrier_search(dev, 0);
2719 }
2720
2721 /**************************************************
2722  * Tx/Rx common
2723  **************************************************/
2724
2725 /*
2726  * Transmits a known value for LO calibration
2727  * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
2728  */
2729 static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
2730                                 bool iqmode, bool dac_test)
2731 {
2732         u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
2733         if (samp == 0)
2734                 return -1;
2735         b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
2736         return 0;
2737 }
2738
2739 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
2740 static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
2741 {
2742         struct b43_phy_n *nphy = dev->phy.n;
2743
2744         bool override = false;
2745         u16 chain = 0x33;
2746
2747         if (nphy->txrx_chain == 0) {
2748                 chain = 0x11;
2749                 override = true;
2750         } else if (nphy->txrx_chain == 1) {
2751                 chain = 0x22;
2752                 override = true;
2753         }
2754
2755         b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
2756                         ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
2757                         chain);
2758
2759         if (override)
2760                 b43_phy_set(dev, B43_NPHY_RFSEQMODE,
2761                                 B43_NPHY_RFSEQMODE_CAOVER);
2762         else
2763                 b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
2764                                 ~B43_NPHY_RFSEQMODE_CAOVER);
2765 }
2766
2767 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
2768 static void b43_nphy_stop_playback(struct b43_wldev *dev)
2769 {
2770         struct b43_phy_n *nphy = dev->phy.n;
2771         u16 tmp;
2772
2773         if (nphy->hang_avoid)
2774                 b43_nphy_stay_in_carrier_search(dev, 1);
2775
2776         tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
2777         if (tmp & 0x1)
2778                 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
2779         else if (tmp & 0x2)
2780                 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
2781
2782         b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
2783
2784         if (nphy->bb_mult_save & 0x80000000) {
2785                 tmp = nphy->bb_mult_save & 0xFFFF;
2786                 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
2787                 nphy->bb_mult_save = 0;
2788         }
2789
2790         if (nphy->hang_avoid)
2791                 b43_nphy_stay_in_carrier_search(dev, 0);
2792 }
2793
2794 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2795 static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2796                                         struct nphy_txgains target,
2797                                         struct nphy_iqcal_params *params)
2798 {
2799         int i, j, indx;
2800         u16 gain;
2801
2802         if (dev->phy.rev >= 3) {
2803                 params->txgm = target.txgm[core];
2804                 params->pga = target.pga[core];
2805                 params->pad = target.pad[core];
2806                 params->ipa = target.ipa[core];
2807                 params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2808                                         (params->pad << 4) | (params->ipa);
2809                 for (j = 0; j < 5; j++)
2810                         params->ncorr[j] = 0x79;
2811         } else {
2812                 gain = (target.pad[core]) | (target.pga[core] << 4) |
2813                         (target.txgm[core] << 8);
2814
2815                 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2816                         1 : 0;
2817                 for (i = 0; i < 9; i++)
2818                         if (tbl_iqcal_gainparams[indx][i][0] == gain)
2819                                 break;
2820                 i = min(i, 8);
2821
2822                 params->txgm = tbl_iqcal_gainparams[indx][i][1];
2823                 params->pga = tbl_iqcal_gainparams[indx][i][2];
2824                 params->pad = tbl_iqcal_gainparams[indx][i][3];
2825                 params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2826                                         (params->pad << 2);
2827                 for (j = 0; j < 4; j++)
2828                         params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2829         }
2830 }
2831
2832 /**************************************************
2833  * Tx and Rx
2834  **************************************************/
2835
2836 static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
2837 {//TODO
2838 }
2839
2840 static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
2841                                                         bool ignore_tssi)
2842 {//TODO
2843         return B43_TXPWR_RES_DONE;
2844 }
2845
2846 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
2847 static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
2848 {
2849         struct b43_phy_n *nphy = dev->phy.n;
2850         u8 i;
2851         u16 bmask, val, tmp;
2852         enum ieee80211_band band = b43_current_band(dev->wl);
2853
2854         if (nphy->hang_avoid)
2855                 b43_nphy_stay_in_carrier_search(dev, 1);
2856
2857         nphy->txpwrctrl = enable;
2858         if (!enable) {
2859                 if (dev->phy.rev >= 3 &&
2860                     (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
2861                      (B43_NPHY_TXPCTL_CMD_COEFF |
2862                       B43_NPHY_TXPCTL_CMD_HWPCTLEN |
2863                       B43_NPHY_TXPCTL_CMD_PCTLEN))) {
2864                         /* We disable enabled TX pwr ctl, save it's state */
2865                         nphy->tx_pwr_idx[0] = b43_phy_read(dev,
2866                                                 B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
2867                         nphy->tx_pwr_idx[1] = b43_phy_read(dev,
2868                                                 B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
2869                 }
2870
2871                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
2872                 for (i = 0; i < 84; i++)
2873                         b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
2874
2875                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
2876                 for (i = 0; i < 84; i++)
2877                         b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
2878
2879                 tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2880                 if (dev->phy.rev >= 3)
2881                         tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2882                 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
2883
2884                 if (dev->phy.rev >= 3) {
2885                         b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
2886                         b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
2887                 } else {
2888                         b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
2889                 }
2890
2891                 if (dev->phy.rev == 2)
2892                         b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
2893                                 ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
2894                 else if (dev->phy.rev < 2)
2895                         b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
2896                                 ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
2897
2898                 if (dev->phy.rev < 2 && dev->phy.is_40mhz)
2899                         b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
2900         } else {
2901                 b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
2902                                     nphy->adj_pwr_tbl);
2903                 b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
2904                                     nphy->adj_pwr_tbl);
2905
2906                 bmask = B43_NPHY_TXPCTL_CMD_COEFF |
2907                         B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2908                 /* wl does useless check for "enable" param here */
2909                 val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2910                 if (dev->phy.rev >= 3) {
2911                         bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2912                         if (val)
2913                                 val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2914                 }
2915                 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
2916
2917                 if (band == IEEE80211_BAND_5GHZ) {
2918                         b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
2919                                         ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
2920                         if (dev->phy.rev > 1)
2921                                 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
2922                                                 ~B43_NPHY_TXPCTL_INIT_PIDXI1,
2923                                                 0x64);
2924                 }
2925
2926                 if (dev->phy.rev >= 3) {
2927                         if (nphy->tx_pwr_idx[0] != 128 &&
2928                             nphy->tx_pwr_idx[1] != 128) {
2929                                 /* Recover TX pwr ctl state */
2930                                 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
2931                                                 ~B43_NPHY_TXPCTL_CMD_INIT,
2932                                                 nphy->tx_pwr_idx[0]);
2933                                 if (dev->phy.rev > 1)
2934                                         b43_phy_maskset(dev,
2935                                                 B43_NPHY_TXPCTL_INIT,
2936                                                 ~0xff, nphy->tx_pwr_idx[1]);
2937                         }
2938                 }
2939
2940                 if (dev->phy.rev >= 3) {
2941                         b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
2942                         b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
2943                 } else {
2944                         b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
2945                 }
2946
2947                 if (dev->phy.rev == 2)
2948                         b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
2949                 else if (dev->phy.rev < 2)
2950                         b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
2951
2952                 if (dev->phy.rev < 2 && dev->phy.is_40mhz)
2953                         b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
2954
2955                 if (b43_nphy_ipa(dev)) {
2956                         b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
2957                         b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
2958                 }
2959         }
2960
2961         if (nphy->hang_avoid)
2962                 b43_nphy_stay_in_carrier_search(dev, 0);
2963 }
2964
2965 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
2966 static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
2967 {
2968         struct b43_phy_n *nphy = dev->phy.n;
2969         struct ssb_sprom *sprom = dev->dev->bus_sprom;
2970
2971         u8 txpi[2], bbmult, i;
2972         u16 tmp, radio_gain, dac_gain;
2973         u16 freq = dev->phy.channel_freq;
2974         u32 txgain;
2975         /* u32 gaintbl; rev3+ */
2976
2977         if (nphy->hang_avoid)
2978                 b43_nphy_stay_in_carrier_search(dev, 1);
2979
2980         if (dev->phy.rev >= 7) {
2981                 txpi[0] = txpi[1] = 30;
2982         } else if (dev->phy.rev >= 3) {
2983                 txpi[0] = 40;
2984                 txpi[1] = 40;
2985         } else if (sprom->revision < 4) {
2986                 txpi[0] = 72;
2987                 txpi[1] = 72;
2988         } else {
2989                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2990                         txpi[0] = sprom->txpid2g[0];
2991                         txpi[1] = sprom->txpid2g[1];
2992                 } else if (freq >= 4900 && freq < 5100) {
2993                         txpi[0] = sprom->txpid5gl[0];
2994                         txpi[1] = sprom->txpid5gl[1];
2995                 } else if (freq >= 5100 && freq < 5500) {
2996                         txpi[0] = sprom->txpid5g[0];
2997                         txpi[1] = sprom->txpid5g[1];
2998                 } else if (freq >= 5500) {
2999                         txpi[0] = sprom->txpid5gh[0];
3000                         txpi[1] = sprom->txpid5gh[1];
3001                 } else {
3002                         txpi[0] = 91;
3003                         txpi[1] = 91;
3004                 }
3005         }
3006         if (dev->phy.rev < 7 &&
3007             (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
3008                 txpi[0] = txpi[1] = 91;
3009
3010         /*
3011         for (i = 0; i < 2; i++) {
3012                 nphy->txpwrindex[i].index_internal = txpi[i];
3013                 nphy->txpwrindex[i].index_internal_save = txpi[i];
3014         }
3015         */
3016
3017         for (i = 0; i < 2; i++) {
3018                 txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
3019
3020                 if (dev->phy.rev >= 3)
3021                         radio_gain = (txgain >> 16) & 0x1FFFF;
3022                 else
3023                         radio_gain = (txgain >> 16) & 0x1FFF;
3024
3025                 if (dev->phy.rev >= 7)
3026                         dac_gain = (txgain >> 8) & 0x7;
3027                 else
3028                         dac_gain = (txgain >> 8) & 0x3F;
3029                 bbmult = txgain & 0xFF;
3030
3031                 if (dev->phy.rev >= 3) {
3032                         if (i == 0)
3033                                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
3034                         else
3035                                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
3036                 } else {
3037                         b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
3038                 }
3039
3040                 if (i == 0)
3041                         b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
3042                 else
3043                         b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
3044
3045                 b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
3046
3047                 tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
3048                 if (i == 0)
3049                         tmp = (tmp & 0x00FF) | (bbmult << 8);
3050                 else
3051                         tmp = (tmp & 0xFF00) | bbmult;
3052                 b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
3053
3054                 if (b43_nphy_ipa(dev)) {
3055                         u32 tmp32;
3056                         u16 reg = (i == 0) ?
3057                                 B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
3058                         tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
3059                                                               576 + txpi[i]));
3060                         b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
3061                         b43_phy_set(dev, reg, 0x4);
3062                 }
3063         }
3064
3065         b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
3066
3067         if (nphy->hang_avoid)
3068                 b43_nphy_stay_in_carrier_search(dev, 0);
3069 }
3070
3071 static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
3072 {
3073         struct b43_phy *phy = &dev->phy;
3074
3075         u8 core;
3076         u16 r; /* routing */
3077
3078         if (phy->rev >= 7) {
3079                 for (core = 0; core < 2; core++) {
3080                         r = core ? 0x190 : 0x170;
3081                         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3082                                 b43_radio_write(dev, r + 0x5, 0x5);
3083                                 b43_radio_write(dev, r + 0x9, 0xE);
3084                                 if (phy->rev != 5)
3085                                         b43_radio_write(dev, r + 0xA, 0);
3086                                 if (phy->rev != 7)
3087                                         b43_radio_write(dev, r + 0xB, 1);
3088                                 else
3089                                         b43_radio_write(dev, r + 0xB, 0x31);
3090                         } else {
3091                                 b43_radio_write(dev, r + 0x5, 0x9);
3092                                 b43_radio_write(dev, r + 0x9, 0xC);
3093                                 b43_radio_write(dev, r + 0xB, 0x0);
3094                                 if (phy->rev != 5)
3095                                         b43_radio_write(dev, r + 0xA, 1);
3096                                 else
3097                                         b43_radio_write(dev, r + 0xA, 0x31);
3098                         }
3099                         b43_radio_write(dev, r + 0x6, 0);
3100                         b43_radio_write(dev, r + 0x7, 0);
3101                         b43_radio_write(dev, r + 0x8, 3);
3102                         b43_radio_write(dev, r + 0xC, 0);
3103                 }
3104         } else {
3105                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3106                         b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
3107                 else
3108                         b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
3109                 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
3110                 b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
3111
3112                 for (core = 0; core < 2; core++) {
3113                         r = core ? B2056_TX1 : B2056_TX0;
3114
3115                         b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
3116                         b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
3117                         b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
3118                         b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
3119                         b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
3120                         b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
3121                         b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
3122                         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3123                                 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
3124                                                 0x5);
3125                                 if (phy->rev != 5)
3126                                         b43_radio_write(dev, r | B2056_TX_TSSIA,
3127                                                         0x00);
3128                                 if (phy->rev >= 5)
3129                                         b43_radio_write(dev, r | B2056_TX_TSSIG,
3130                                                         0x31);
3131                                 else
3132                                         b43_radio_write(dev, r | B2056_TX_TSSIG,
3133                                                         0x11);
3134                                 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
3135                                                 0xE);
3136                         } else {
3137                                 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
3138                                                 0x9);
3139                                 b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
3140                                 b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
3141                                 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
3142                                                 0xC);
3143                         }
3144                 }
3145         }
3146 }
3147
3148 /*
3149  * Stop radio and transmit known signal. Then check received signal strength to
3150  * get TSSI (Transmit Signal Strength Indicator).
3151  * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
3152  */
3153 static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
3154 {
3155         struct b43_phy *phy = &dev->phy;
3156         struct b43_phy_n *nphy = dev->phy.n;
3157
3158         u32 tmp;
3159         s32 rssi[4] = { };
3160
3161         /* TODO: check if we can transmit */
3162
3163         if (b43_nphy_ipa(dev))
3164                 b43_nphy_ipa_internal_tssi_setup(dev);
3165
3166         if (phy->rev >= 7)
3167                 b43_nphy_rf_control_override_rev7(dev, 0x2000, 0, 3, false, 0);
3168         else if (phy->rev >= 3)
3169                 b43_nphy_rf_control_override(dev, 0x2000, 0, 3, false);
3170
3171         b43_nphy_stop_playback(dev);
3172         b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
3173         udelay(20);
3174         tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1);
3175         b43_nphy_stop_playback(dev);
3176         b43_nphy_rssi_select(dev, 0, N_RSSI_W1);
3177
3178         if (phy->rev >= 7)
3179                 b43_nphy_rf_control_override_rev7(dev, 0x2000, 0, 3, true, 0);
3180         else if (phy->rev >= 3)
3181                 b43_nphy_rf_control_override(dev, 0x2000, 0, 3, true);
3182
3183         if (phy->rev >= 3) {
3184                 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
3185                 nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
3186         } else {
3187                 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
3188                 nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
3189         }
3190         nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
3191         nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
3192 }
3193
3194 /* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
3195 static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
3196 {
3197         struct b43_phy_n *nphy = dev->phy.n;
3198
3199         u8 idx, delta;
3200         u8 i, stf_mode;
3201
3202         for (i = 0; i < 4; i++)
3203                 nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
3204
3205         for (stf_mode = 0; stf_mode < 4; stf_mode++) {
3206                 delta = 0;
3207                 switch (stf_mode) {
3208                 case 0:
3209                         if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
3210                                 idx = 68;
3211                         } else {
3212                                 delta = 1;
3213                                 idx = dev->phy.is_40mhz ? 52 : 4;
3214                         }
3215                         break;
3216                 case 1:
3217                         idx = dev->phy.is_40mhz ? 76 : 28;
3218                         break;
3219                 case 2:
3220                         idx = dev->phy.is_40mhz ? 84 : 36;
3221                         break;
3222                 case 3:
3223                         idx = dev->phy.is_40mhz ? 92 : 44;
3224                         break;
3225                 }
3226
3227                 for (i = 0; i < 20; i++) {
3228                         nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
3229                                 nphy->tx_power_offset[idx];
3230                         if (i == 0)
3231                                 idx += delta;
3232                         if (i == 14)
3233                                 idx += 1 - delta;
3234                         if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
3235                             i == 13)
3236                                 idx += 1;
3237                 }
3238         }
3239 }
3240
3241 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
3242 static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
3243 {
3244         struct b43_phy_n *nphy = dev->phy.n;
3245         struct ssb_sprom *sprom = dev->dev->bus_sprom;
3246
3247         s16 a1[2], b0[2], b1[2];
3248         u8 idle[2];
3249         s8 target[2];
3250         s32 num, den, pwr;
3251         u32 regval[64];
3252
3253         u16 freq = dev->phy.channel_freq;
3254         u16 tmp;
3255         u16 r; /* routing */
3256         u8 i, c;
3257
3258         if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
3259                 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
3260                 b43_read32(dev, B43_MMIO_MACCTL);
3261                 udelay(1);
3262         }
3263
3264         if (nphy->hang_avoid)
3265                 b43_nphy_stay_in_carrier_search(dev, true);
3266
3267         b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
3268         if (dev->phy.rev >= 3)
3269                 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
3270                              ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
3271         else
3272                 b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
3273                             B43_NPHY_TXPCTL_CMD_PCTLEN);
3274
3275         if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
3276                 b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
3277
3278         if (sprom->revision < 4) {
3279                 idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
3280                 idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
3281                 target[0] = target[1] = 52;
3282                 a1[0] = a1[1] = -424;
3283                 b0[0] = b0[1] = 5612;
3284                 b1[0] = b1[1] = -1393;
3285         } else {
3286                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3287                         for (c = 0; c < 2; c++) {
3288                                 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
3289                                 target[c] = sprom->core_pwr_info[c].maxpwr_2g;
3290                                 a1[c] = sprom->core_pwr_info[c].pa_2g[0];
3291                                 b0[c] = sprom->core_pwr_info[c].pa_2g[1];
3292                                 b1[c] = sprom->core_pwr_info[c].pa_2g[2];
3293                         }
3294                 } else if (freq >= 4900 && freq < 5100) {
3295                         for (c = 0; c < 2; c++) {
3296                                 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
3297                                 target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
3298                                 a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
3299                                 b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
3300                                 b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
3301                         }
3302                 } else if (freq >= 5100 && freq < 5500) {
3303                         for (c = 0; c < 2; c++) {
3304                                 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
3305                                 target[c] = sprom->core_pwr_info[c].maxpwr_5g;
3306                                 a1[c] = sprom->core_pwr_info[c].pa_5g[0];
3307                                 b0[c] = sprom->core_pwr_info[c].pa_5g[1];
3308                                 b1[c] = sprom->core_pwr_info[c].pa_5g[2];
3309                         }
3310                 } else if (freq >= 5500) {
3311                         for (c = 0; c < 2; c++) {
3312                                 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
3313                                 target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
3314                                 a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
3315                                 b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
3316                                 b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
3317                         }
3318                 } else {
3319                         idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
3320                         idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
3321                         target[0] = target[1] = 52;
3322                         a1[0] = a1[1] = -424;
3323                         b0[0] = b0[1] = 5612;
3324                         b1[0] = b1[1] = -1393;
3325                 }
3326         }
3327         /* target[0] = target[1] = nphy->tx_power_max; */
3328
3329         if (dev->phy.rev >= 3) {
3330                 if (sprom->fem.ghz2.tssipos)
3331                         b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
3332                 if (dev->phy.rev >= 7) {
3333                         for (c = 0; c < 2; c++) {
3334                                 r = c ? 0x190 : 0x170;
3335                                 if (b43_nphy_ipa(dev))
3336                                         b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
3337                         }
3338                 } else {
3339                         if (b43_nphy_ipa(dev)) {
3340                                 tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
3341                                 b43_radio_write(dev,
3342                                         B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
3343                                 b43_radio_write(dev,
3344                                         B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
3345                         } else {
3346                                 b43_radio_write(dev,
3347                                         B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
3348                                 b43_radio_write(dev,
3349                                         B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
3350                         }
3351                 }
3352         }
3353
3354         if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
3355                 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
3356                 b43_read32(dev, B43_MMIO_MACCTL);
3357                 udelay(1);
3358         }
3359
3360         if (dev->phy.rev >= 7) {
3361                 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3362                                 ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
3363                 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
3364                                 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
3365         } else {
3366                 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3367                                 ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
3368                 if (dev->phy.rev > 1)
3369                         b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
3370                                 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
3371         }
3372
3373         if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
3374                 b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
3375
3376         b43_phy_write(dev, B43_NPHY_TXPCTL_N,
3377                       0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
3378                       3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
3379         b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
3380                       idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
3381                       idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
3382                       B43_NPHY_TXPCTL_ITSSI_BINF);
3383         b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
3384                       target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
3385                       target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
3386
3387         for (c = 0; c < 2; c++) {
3388                 for (i = 0; i < 64; i++) {
3389                         num = 8 * (16 * b0[c] + b1[c] * i);
3390                         den = 32768 + a1[c] * i;
3391                         pwr = max((4 * num + den / 2) / den, -8);
3392                         if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
3393                                 pwr = max(pwr, target[c] + 1);
3394                         regval[i] = pwr;
3395                 }
3396                 b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
3397         }
3398
3399         b43_nphy_tx_prepare_adjusted_power_table(dev);
3400         /*
3401         b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
3402         b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
3403         */
3404
3405         if (nphy->hang_avoid)
3406                 b43_nphy_stay_in_carrier_search(dev, false);
3407 }
3408
3409 static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
3410 {
3411         struct b43_phy *phy = &dev->phy;
3412
3413         const u32 *table = NULL;
3414         u32 rfpwr_offset;
3415         u8 pga_gain;
3416         int i;
3417
3418         table = b43_nphy_get_tx_gain_table(dev);
3419         b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
3420         b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
3421
3422         if (phy->rev >= 3) {
3423 #if 0
3424                 nphy->gmval = (table[0] >> 16) & 0x7000;
3425 #endif
3426
3427                 for (i = 0; i < 128; i++) {
3428                         pga_gain = (table[i] >> 24) & 0xF;
3429                         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3430                                 rfpwr_offset =
3431                                  b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
3432                         else
3433                                 rfpwr_offset =
3434                                  0; /* FIXME */
3435                         b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
3436                                        rfpwr_offset);
3437                         b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
3438                                        rfpwr_offset);
3439                 }
3440         }
3441 }
3442
3443 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
3444 static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
3445 {
3446         struct b43_phy_n *nphy = dev->phy.n;
3447         enum ieee80211_band band;
3448         u16 tmp;
3449
3450         if (!enable) {
3451                 nphy->rfctrl_intc1_save = b43_phy_read(dev,
3452                                                        B43_NPHY_RFCTL_INTC1);
3453                 nphy->rfctrl_intc2_save = b43_phy_read(dev,
3454                                                        B43_NPHY_RFCTL_INTC2);
3455                 band = b43_current_band(dev->wl);
3456                 if (dev->phy.rev >= 3) {
3457                         if (band == IEEE80211_BAND_5GHZ)
3458                                 tmp = 0x600;
3459                         else
3460                                 tmp = 0x480;
3461                 } else {
3462                         if (band == IEEE80211_BAND_5GHZ)
3463                                 tmp = 0x180;
3464                         else
3465                                 tmp = 0x120;
3466                 }
3467                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
3468                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
3469         } else {
3470                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
3471                                 nphy->rfctrl_intc1_save);
3472                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
3473                                 nphy->rfctrl_intc2_save);
3474         }
3475 }
3476
3477 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
3478 static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
3479 {
3480         u16 tmp;
3481
3482         if (dev->phy.rev >= 3) {
3483                 if (b43_nphy_ipa(dev)) {
3484                         tmp = 4;
3485                         b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
3486                               (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
3487                 }
3488
3489                 tmp = 1;
3490                 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
3491                               (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
3492         }
3493 }
3494
3495 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
3496 static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
3497                                 u16 samps, u8 time, bool wait)
3498 {
3499         int i;
3500         u16 tmp;
3501
3502         b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
3503         b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
3504         if (wait)
3505                 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
3506         else
3507                 b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
3508
3509         b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
3510
3511         for (i = 1000; i; i--) {
3512                 tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
3513                 if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
3514                         est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
3515                                         b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
3516                         est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
3517                                         b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
3518                         est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
3519                                         b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
3520
3521                         est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
3522                                         b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
3523                         est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
3524                                         b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
3525                         est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
3526                                         b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
3527                         return;
3528                 }
3529                 udelay(10);
3530         }
3531         memset(est, 0, sizeof(*est));
3532 }
3533
3534 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
3535 static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
3536                                         struct b43_phy_n_iq_comp *pcomp)
3537 {
3538         if (write) {
3539                 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
3540                 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
3541                 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
3542                 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
3543         } else {
3544                 pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
3545                 pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
3546                 pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
3547                 pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
3548         }
3549 }
3550
3551 #if 0
3552 /* Ready but not used anywhere */
3553 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
3554 static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
3555 {
3556         u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
3557
3558         b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
3559         if (core == 0) {
3560                 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
3561                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
3562         } else {
3563                 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
3564                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
3565         }
3566         b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
3567         b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
3568         b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
3569         b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
3570         b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
3571         b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
3572         b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
3573         b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
3574 }
3575
3576 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
3577 static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
3578 {
3579         u8 rxval, txval;
3580         u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
3581
3582         regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
3583         if (core == 0) {
3584                 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
3585                 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
3586         } else {
3587                 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
3588                 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3589         }
3590         regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
3591         regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
3592         regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
3593         regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
3594         regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
3595         regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
3596         regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
3597         regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
3598
3599         b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
3600         b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
3601
3602         b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
3603                         ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
3604                         ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
3605         b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
3606                         ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
3607         b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
3608                         (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
3609         b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
3610                         (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
3611
3612         if (core == 0) {
3613                 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
3614                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
3615         } else {
3616                 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
3617                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
3618         }
3619
3620         b43_nphy_rf_control_intc_override(dev, 2, 0, 3);
3621         b43_nphy_rf_control_override(dev, 8, 0, 3, false);
3622         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3623
3624         if (core == 0) {
3625                 rxval = 1;
3626                 txval = 8;
3627         } else {
3628                 rxval = 4;
3629                 txval = 2;
3630         }
3631         b43_nphy_rf_control_intc_override(dev, 1, rxval, (core + 1));
3632         b43_nphy_rf_control_intc_override(dev, 1, txval, (2 - core));
3633 }
3634 #endif
3635
3636 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
3637 static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
3638 {
3639         int i;
3640         s32 iq;
3641         u32 ii;
3642         u32 qq;
3643         int iq_nbits, qq_nbits;
3644         int arsh, brsh;
3645         u16 tmp, a, b;
3646
3647         struct nphy_iq_est est;
3648         struct b43_phy_n_iq_comp old;
3649         struct b43_phy_n_iq_comp new = { };
3650         bool error = false;
3651
3652         if (mask == 0)
3653                 return;
3654
3655         b43_nphy_rx_iq_coeffs(dev, false, &old);
3656         b43_nphy_rx_iq_coeffs(dev, true, &new);
3657         b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
3658         new = old;
3659
3660         for (i = 0; i < 2; i++) {
3661                 if (i == 0 && (mask & 1)) {
3662                         iq = est.iq0_prod;
3663                         ii = est.i0_pwr;
3664                         qq = est.q0_pwr;
3665                 } else if (i == 1 && (mask & 2)) {
3666                         iq = est.iq1_prod;
3667                         ii = est.i1_pwr;
3668                         qq = est.q1_pwr;
3669                 } else {
3670                         continue;
3671                 }
3672
3673                 if (ii + qq < 2) {
3674                         error = true;
3675                         break;
3676                 }
3677
3678                 iq_nbits = fls(abs(iq));
3679                 qq_nbits = fls(qq);
3680
3681                 arsh = iq_nbits - 20;
3682                 if (arsh >= 0) {
3683                         a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
3684                         tmp = ii >> arsh;
3685                 } else {
3686                         a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
3687                         tmp = ii << -arsh;
3688                 }
3689                 if (tmp == 0) {
3690                         error = true;
3691                         break;
3692                 }
3693                 a /= tmp;
3694
3695                 brsh = qq_nbits - 11;
3696                 if (brsh >= 0) {
3697                         b = (qq << (31 - qq_nbits));
3698                         tmp = ii >> brsh;
3699                 } else {
3700                         b = (qq << (31 - qq_nbits));
3701                         tmp = ii << -brsh;
3702                 }
3703                 if (tmp == 0) {
3704                         error = true;
3705                         break;
3706                 }
3707                 b = int_sqrt(b / tmp - a * a) - (1 << 10);
3708
3709                 if (i == 0 && (mask & 0x1)) {
3710                         if (dev->phy.rev >= 3) {
3711                                 new.a0 = a & 0x3FF;
3712                                 new.b0 = b & 0x3FF;
3713                         } else {
3714                                 new.a0 = b & 0x3FF;
3715                                 new.b0 = a & 0x3FF;
3716                         }
3717                 } else if (i == 1 && (mask & 0x2)) {
3718                         if (dev->phy.rev >= 3) {
3719                                 new.a1 = a & 0x3FF;
3720                                 new.b1 = b & 0x3FF;
3721                         } else {
3722                                 new.a1 = b & 0x3FF;
3723                                 new.b1 = a & 0x3FF;
3724                         }
3725                 }
3726         }
3727
3728         if (error)
3729                 new = old;
3730
3731         b43_nphy_rx_iq_coeffs(dev, true, &new);
3732 }
3733
3734 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
3735 static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
3736 {
3737         u16 array[4];
3738         b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
3739
3740         b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
3741         b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
3742         b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
3743         b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
3744 }
3745
3746 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
3747 static void b43_nphy_spur_workaround(struct b43_wldev *dev)
3748 {
3749         struct b43_phy_n *nphy = dev->phy.n;
3750
3751         u8 channel = dev->phy.channel;
3752         int tone[2] = { 57, 58 };
3753         u32 noise[2] = { 0x3FF, 0x3FF };
3754
3755         B43_WARN_ON(dev->phy.rev < 3);
3756
3757         if (nphy->hang_avoid)
3758                 b43_nphy_stay_in_carrier_search(dev, 1);
3759
3760         if (nphy->gband_spurwar_en) {
3761                 /* TODO: N PHY Adjust Analog Pfbw (7) */
3762                 if (channel == 11 && dev->phy.is_40mhz)
3763                         ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
3764                 else
3765                         ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
3766                 /* TODO: N PHY Adjust CRS Min Power (0x1E) */
3767         }
3768
3769         if (nphy->aband_spurwar_en) {
3770                 if (channel == 54) {
3771                         tone[0] = 0x20;
3772                         noise[0] = 0x25F;
3773                 } else if (channel == 38 || channel == 102 || channel == 118) {
3774                         if (0 /* FIXME */) {
3775                                 tone[0] = 0x20;
3776                                 noise[0] = 0x21F;
3777                         } else {
3778                                 tone[0] = 0;
3779                                 noise[0] = 0;
3780                         }
3781                 } else if (channel == 134) {
3782                         tone[0] = 0x20;
3783                         noise[0] = 0x21F;
3784                 } else if (channel == 151) {
3785                         tone[0] = 0x10;
3786                         noise[0] = 0x23F;
3787                 } else if (channel == 153 || channel == 161) {
3788                         tone[0] = 0x30;
3789                         noise[0] = 0x23F;
3790                 } else {
3791                         tone[0] = 0;
3792                         noise[0] = 0;
3793                 }
3794
3795                 if (!tone[0] && !noise[0])
3796                         ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
3797                 else
3798                         ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
3799         }
3800
3801         if (nphy->hang_avoid)
3802                 b43_nphy_stay_in_carrier_search(dev, 0);
3803 }
3804
3805 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
3806 static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
3807 {
3808         struct b43_phy_n *nphy = dev->phy.n;
3809         int i, j;
3810         u32 tmp;
3811         u32 cur_real, cur_imag, real_part, imag_part;
3812
3813         u16 buffer[7];
3814
3815         if (nphy->hang_avoid)
3816                 b43_nphy_stay_in_carrier_search(dev, true);
3817
3818         b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
3819
3820         for (i = 0; i < 2; i++) {
3821                 tmp = ((buffer[i * 2] & 0x3FF) << 10) |
3822                         (buffer[i * 2 + 1] & 0x3FF);
3823                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
3824                                 (((i + 26) << 10) | 320));
3825                 for (j = 0; j < 128; j++) {
3826                         b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
3827                                         ((tmp >> 16) & 0xFFFF));
3828                         b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
3829                                         (tmp & 0xFFFF));
3830                 }
3831         }
3832
3833         for (i = 0; i < 2; i++) {
3834                 tmp = buffer[5 + i];
3835                 real_part = (tmp >> 8) & 0xFF;
3836                 imag_part = (tmp & 0xFF);
3837                 b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
3838                                 (((i + 26) << 10) | 448));
3839
3840                 if (dev->phy.rev >= 3) {
3841                         cur_real = real_part;
3842                         cur_imag = imag_part;
3843                         tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
3844                 }
3845
3846                 for (j = 0; j < 128; j++) {
3847                         if (dev->phy.rev < 3) {
3848                                 cur_real = (real_part * loscale[j] + 128) >> 8;
3849                                 cur_imag = (imag_part * loscale[j] + 128) >> 8;
3850                                 tmp = ((cur_real & 0xFF) << 8) |
3851                                         (cur_imag & 0xFF);
3852                         }
3853                         b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
3854                                         ((tmp >> 16) & 0xFFFF));
3855                         b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
3856                                         (tmp & 0xFFFF));
3857                 }
3858         }
3859
3860         if (dev->phy.rev >= 3) {
3861                 b43_shm_write16(dev, B43_SHM_SHARED,
3862                                 B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
3863                 b43_shm_write16(dev, B43_SHM_SHARED,
3864                                 B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
3865         }
3866
3867         if (nphy->hang_avoid)
3868                 b43_nphy_stay_in_carrier_search(dev, false);
3869 }
3870
3871 /*
3872  * Restore RSSI Calibration
3873  * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
3874  */
3875 static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
3876 {
3877         struct b43_phy_n *nphy = dev->phy.n;
3878
3879         u16 *rssical_radio_regs = NULL;
3880         u16 *rssical_phy_regs = NULL;
3881
3882         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3883                 if (!nphy->rssical_chanspec_2G.center_freq)
3884                         return;
3885                 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
3886                 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
3887         } else {
3888                 if (!nphy->rssical_chanspec_5G.center_freq)
3889                         return;
3890                 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
3891                 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
3892         }
3893
3894         /* TODO use some definitions */
3895         b43_radio_maskset(dev, 0x602B, 0xE3, rssical_radio_regs[0]);
3896         b43_radio_maskset(dev, 0x702B, 0xE3, rssical_radio_regs[1]);
3897
3898         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
3899         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
3900         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
3901         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
3902
3903         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
3904         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
3905         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
3906         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
3907
3908         b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
3909         b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
3910         b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
3911         b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
3912 }
3913
3914 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
3915 static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
3916 {
3917         struct b43_phy_n *nphy = dev->phy.n;
3918         u16 *save = nphy->tx_rx_cal_radio_saveregs;
3919         u16 tmp;
3920         u8 offset, i;
3921
3922         if (dev->phy.rev >= 3) {
3923             for (i = 0; i < 2; i++) {
3924                 tmp = (i == 0) ? 0x2000 : 0x3000;
3925                 offset = i * 11;
3926
3927                 save[offset + 0] = b43_radio_read16(dev, B2055_CAL_RVARCTL);
3928                 save[offset + 1] = b43_radio_read16(dev, B2055_CAL_LPOCTL);
3929                 save[offset + 2] = b43_radio_read16(dev, B2055_CAL_TS);
3930                 save[offset + 3] = b43_radio_read16(dev, B2055_CAL_RCCALRTS);
3931                 save[offset + 4] = b43_radio_read16(dev, B2055_CAL_RCALRTS);
3932                 save[offset + 5] = b43_radio_read16(dev, B2055_PADDRV);
3933                 save[offset + 6] = b43_radio_read16(dev, B2055_XOCTL1);
3934                 save[offset + 7] = b43_radio_read16(dev, B2055_XOCTL2);
3935                 save[offset + 8] = b43_radio_read16(dev, B2055_XOREGUL);
3936                 save[offset + 9] = b43_radio_read16(dev, B2055_XOMISC);
3937                 save[offset + 10] = b43_radio_read16(dev, B2055_PLL_LFC1);
3938
3939                 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
3940                         b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
3941                         b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
3942                         b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
3943                         b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
3944                         b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
3945                         if (nphy->ipa5g_on) {
3946                                 b43_radio_write16(dev, tmp | B2055_PADDRV, 4);
3947                                 b43_radio_write16(dev, tmp | B2055_XOCTL1, 1);
3948                         } else {
3949                                 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
3950                                 b43_radio_write16(dev, tmp | B2055_XOCTL1, 0x2F);
3951                         }
3952                         b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
3953                 } else {
3954                         b43_radio_write16(dev, tmp | B2055_CAL_RVARCTL, 0x06);
3955                         b43_radio_write16(dev, tmp | B2055_CAL_LPOCTL, 0x40);
3956                         b43_radio_write16(dev, tmp | B2055_CAL_TS, 0x55);
3957                         b43_radio_write16(dev, tmp | B2055_CAL_RCCALRTS, 0);
3958                         b43_radio_write16(dev, tmp | B2055_CAL_RCALRTS, 0);
3959                         b43_radio_write16(dev, tmp | B2055_XOCTL1, 0);
3960                         if (nphy->ipa2g_on) {
3961                                 b43_radio_write16(dev, tmp | B2055_PADDRV, 6);
3962                                 b43_radio_write16(dev, tmp | B2055_XOCTL2,
3963                                         (dev->phy.rev < 5) ? 0x11 : 0x01);
3964                         } else {
3965                                 b43_radio_write16(dev, tmp | B2055_PADDRV, 0);
3966                                 b43_radio_write16(dev, tmp | B2055_XOCTL2, 0);
3967                         }
3968                 }
3969                 b43_radio_write16(dev, tmp | B2055_XOREGUL, 0);
3970                 b43_radio_write16(dev, tmp | B2055_XOMISC, 0);
3971                 b43_radio_write16(dev, tmp | B2055_PLL_LFC1, 0);
3972             }
3973         } else {
3974                 save[0] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL1);
3975                 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
3976
3977                 save[1] = b43_radio_read16(dev, B2055_C1_TX_RF_IQCAL2);
3978                 b43_radio_write16(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
3979
3980                 save[2] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL1);
3981                 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
3982
3983                 save[3] = b43_radio_read16(dev, B2055_C2_TX_RF_IQCAL2);
3984                 b43_radio_write16(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
3985
3986                 save[3] = b43_radio_read16(dev, B2055_C1_PWRDET_RXTX);
3987                 save[4] = b43_radio_read16(dev, B2055_C2_PWRDET_RXTX);
3988
3989                 if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
3990                     B43_NPHY_BANDCTL_5GHZ)) {
3991                         b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x04);
3992                         b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x04);
3993                 } else {
3994                         b43_radio_write16(dev, B2055_C1_PWRDET_RXTX, 0x20);
3995                         b43_radio_write16(dev, B2055_C2_PWRDET_RXTX, 0x20);
3996                 }
3997
3998                 if (dev->phy.rev < 2) {
3999                         b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
4000                         b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
4001                 } else {
4002                         b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
4003                         b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
4004                 }
4005         }
4006 }
4007
4008 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
4009 static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
4010 {
4011         struct b43_phy_n *nphy = dev->phy.n;
4012         int i;
4013         u16 scale, entry;
4014
4015         u16 tmp = nphy->txcal_bbmult;
4016         if (core == 0)
4017                 tmp >>= 8;
4018         tmp &= 0xff;
4019
4020         for (i = 0; i < 18; i++) {
4021                 scale = (ladder_lo[i].percent * tmp) / 100;
4022                 entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
4023                 b43_ntab_write(dev, B43_NTAB16(15, i), entry);
4024
4025                 scale = (ladder_iq[i].percent * tmp) / 100;
4026                 entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
4027                 b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
4028         }
4029 }
4030
4031 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
4032 static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
4033 {
4034         int i;
4035         for (i = 0; i < 15; i++)
4036                 b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
4037                                 tbl_tx_filter_coef_rev4[2][i]);
4038 }
4039
4040 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
4041 static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
4042 {
4043         int i, j;
4044         /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
4045         static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
4046
4047         for (i = 0; i < 3; i++)
4048                 for (j = 0; j < 15; j++)
4049                         b43_phy_write(dev, B43_PHY_N(offset[i] + j),
4050                                         tbl_tx_filter_coef_rev4[i][j]);
4051
4052         if (dev->phy.is_40mhz) {
4053                 for (j = 0; j < 15; j++)
4054                         b43_phy_write(dev, B43_PHY_N(offset[0] + j),
4055                                         tbl_tx_filter_coef_rev4[3][j]);
4056         } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
4057                 for (j = 0; j < 15; j++)
4058                         b43_phy_write(dev, B43_PHY_N(offset[0] + j),
4059                                         tbl_tx_filter_coef_rev4[5][j]);
4060         }
4061
4062         if (dev->phy.channel == 14)
4063                 for (j = 0; j < 15; j++)
4064                         b43_phy_write(dev, B43_PHY_N(offset[0] + j),
4065                                         tbl_tx_filter_coef_rev4[6][j]);
4066 }
4067
4068 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
4069 static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
4070 {
4071         struct b43_phy_n *nphy = dev->phy.n;
4072
4073         u16 curr_gain[2];
4074         struct nphy_txgains target;
4075         const u32 *table = NULL;
4076
4077         if (!nphy->txpwrctrl) {
4078                 int i;
4079
4080                 if (nphy->hang_avoid)
4081                         b43_nphy_stay_in_carrier_search(dev, true);
4082                 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
4083                 if (nphy->hang_avoid)
4084                         b43_nphy_stay_in_carrier_search(dev, false);
4085
4086                 for (i = 0; i < 2; ++i) {
4087                         if (dev->phy.rev >= 3) {
4088                                 target.ipa[i] = curr_gain[i] & 0x000F;
4089                                 target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
4090                                 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
4091                                 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
4092                         } else {
4093                                 target.ipa[i] = curr_gain[i] & 0x0003;
4094                                 target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
4095                                 target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
4096                                 target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
4097                         }
4098                 }
4099         } else {
4100                 int i;
4101                 u16 index[2];
4102                 index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
4103                         B43_NPHY_TXPCTL_STAT_BIDX) >>
4104                         B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
4105                 index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
4106                         B43_NPHY_TXPCTL_STAT_BIDX) >>
4107                         B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
4108
4109                 for (i = 0; i < 2; ++i) {
4110                         table = b43_nphy_get_tx_gain_table(dev);
4111                         if (dev->phy.rev >= 3) {
4112                                 target.ipa[i] = (table[index[i]] >> 16) & 0xF;
4113                                 target.pad[i] = (table[index[i]] >> 20) & 0xF;
4114                                 target.pga[i] = (table[index[i]] >> 24) & 0xF;
4115                                 target.txgm[i] = (table[index[i]] >> 28) & 0xF;
4116                         } else {
4117                                 target.ipa[i] = (table[index[i]] >> 16) & 0x3;
4118                                 target.pad[i] = (table[index[i]] >> 18) & 0x3;
4119                                 target.pga[i] = (table[index[i]] >> 20) & 0x7;
4120                                 target.txgm[i] = (table[index[i]] >> 23) & 0x7;
4121                         }
4122                 }
4123         }
4124
4125         return target;
4126 }
4127
4128 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
4129 static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
4130 {
4131         u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
4132
4133         if (dev->phy.rev >= 3) {
4134                 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
4135                 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
4136                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
4137                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
4138                 b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
4139                 b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
4140                 b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
4141                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
4142                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
4143                 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
4144                 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
4145                 b43_nphy_reset_cca(dev);
4146         } else {
4147                 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
4148                 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
4149                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
4150                 b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
4151                 b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
4152                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
4153                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
4154         }
4155 }
4156
4157 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
4158 static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
4159 {
4160         u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
4161         u16 tmp;
4162
4163         regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
4164         regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
4165         if (dev->phy.rev >= 3) {
4166                 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
4167                 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
4168
4169                 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
4170                 regs[2] = tmp;
4171                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
4172
4173                 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4174                 regs[3] = tmp;
4175                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
4176
4177                 regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
4178                 b43_phy_mask(dev, B43_NPHY_BBCFG,
4179                              ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
4180
4181                 tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
4182                 regs[5] = tmp;
4183                 b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
4184
4185                 tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
4186                 regs[6] = tmp;
4187                 b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
4188                 regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
4189                 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
4190
4191                 b43_nphy_rf_control_intc_override(dev, 2, 1, 3);
4192                 b43_nphy_rf_control_intc_override(dev, 1, 2, 1);
4193                 b43_nphy_rf_control_intc_override(dev, 1, 8, 2);
4194
4195                 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
4196                 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
4197                 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
4198                 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
4199         } else {
4200                 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
4201                 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
4202                 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4203                 regs[2] = tmp;
4204                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
4205                 tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
4206                 regs[3] = tmp;
4207                 tmp |= 0x2000;
4208                 b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
4209                 tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
4210                 regs[4] = tmp;
4211                 tmp |= 0x2000;
4212                 b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
4213                 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
4214                 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
4215                 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
4216                         tmp = 0x0180;
4217                 else
4218                         tmp = 0x0120;
4219                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
4220                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
4221         }
4222 }
4223
4224 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
4225 static void b43_nphy_save_cal(struct b43_wldev *dev)
4226 {
4227         struct b43_phy_n *nphy = dev->phy.n;
4228
4229         struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
4230         u16 *txcal_radio_regs = NULL;
4231         struct b43_chanspec *iqcal_chanspec;
4232         u16 *table = NULL;
4233
4234         if (nphy->hang_avoid)
4235                 b43_nphy_stay_in_carrier_search(dev, 1);
4236
4237         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4238                 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
4239                 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
4240                 iqcal_chanspec = &nphy->iqcal_chanspec_2G;
4241                 table = nphy->cal_cache.txcal_coeffs_2G;
4242         } else {
4243                 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
4244                 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
4245                 iqcal_chanspec = &nphy->iqcal_chanspec_5G;
4246                 table = nphy->cal_cache.txcal_coeffs_5G;
4247         }
4248
4249         b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
4250         /* TODO use some definitions */
4251         if (dev->phy.rev >= 3) {
4252                 txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
4253                 txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
4254                 txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
4255                 txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
4256                 txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
4257                 txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
4258                 txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
4259                 txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
4260         } else {
4261                 txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
4262                 txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
4263                 txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
4264                 txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
4265         }
4266         iqcal_chanspec->center_freq = dev->phy.channel_freq;
4267         iqcal_chanspec->channel_type = dev->phy.channel_type;
4268         b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
4269
4270         if (nphy->hang_avoid)
4271                 b43_nphy_stay_in_carrier_search(dev, 0);
4272 }
4273
4274 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
4275 static void b43_nphy_restore_cal(struct b43_wldev *dev)
4276 {
4277         struct b43_phy_n *nphy = dev->phy.n;
4278
4279         u16 coef[4];
4280         u16 *loft = NULL;
4281         u16 *table = NULL;
4282
4283         int i;
4284         u16 *txcal_radio_regs = NULL;
4285         struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
4286
4287         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4288                 if (!nphy->iqcal_chanspec_2G.center_freq)
4289                         return;
4290                 table = nphy->cal_cache.txcal_coeffs_2G;
4291                 loft = &nphy->cal_cache.txcal_coeffs_2G[5];
4292         } else {
4293                 if (!nphy->iqcal_chanspec_5G.center_freq)
4294                         return;
4295                 table = nphy->cal_cache.txcal_coeffs_5G;
4296                 loft = &nphy->cal_cache.txcal_coeffs_5G[5];
4297         }
4298
4299         b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
4300
4301         for (i = 0; i < 4; i++) {
4302                 if (dev->phy.rev >= 3)
4303                         table[i] = coef[i];
4304                 else
4305                         coef[i] = 0;
4306         }
4307
4308         b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
4309         b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
4310         b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
4311
4312         if (dev->phy.rev < 2)
4313                 b43_nphy_tx_iq_workaround(dev);
4314
4315         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4316                 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
4317                 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
4318         } else {
4319                 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
4320                 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
4321         }
4322
4323         /* TODO use some definitions */
4324         if (dev->phy.rev >= 3) {
4325                 b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
4326                 b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
4327                 b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
4328                 b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
4329                 b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
4330                 b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
4331                 b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
4332                 b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
4333         } else {
4334                 b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
4335                 b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
4336                 b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
4337                 b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
4338         }
4339         b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
4340 }
4341
4342 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
4343 static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
4344                                 struct nphy_txgains target,
4345                                 bool full, bool mphase)
4346 {
4347         struct b43_phy_n *nphy = dev->phy.n;
4348         int i;
4349         int error = 0;
4350         int freq;
4351         bool avoid = false;
4352         u8 length;
4353         u16 tmp, core, type, count, max, numb, last = 0, cmd;
4354         const u16 *table;
4355         bool phy6or5x;
4356
4357         u16 buffer[11];
4358         u16 diq_start = 0;
4359         u16 save[2];
4360         u16 gain[2];
4361         struct nphy_iqcal_params params[2];
4362         bool updated[2] = { };
4363
4364         b43_nphy_stay_in_carrier_search(dev, true);
4365
4366         if (dev->phy.rev >= 4) {
4367                 avoid = nphy->hang_avoid;
4368                 nphy->hang_avoid = false;
4369         }
4370
4371         b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
4372
4373         for (i = 0; i < 2; i++) {
4374                 b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
4375                 gain[i] = params[i].cal_gain;
4376         }
4377
4378         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
4379
4380         b43_nphy_tx_cal_radio_setup(dev);
4381         b43_nphy_tx_cal_phy_setup(dev);
4382
4383         phy6or5x = dev->phy.rev >= 6 ||
4384                 (dev->phy.rev == 5 && nphy->ipa2g_on &&
4385                 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
4386         if (phy6or5x) {
4387                 if (dev->phy.is_40mhz) {
4388                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
4389                                         tbl_tx_iqlo_cal_loft_ladder_40);
4390                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
4391                                         tbl_tx_iqlo_cal_iqimb_ladder_40);
4392                 } else {
4393                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
4394                                         tbl_tx_iqlo_cal_loft_ladder_20);
4395                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
4396                                         tbl_tx_iqlo_cal_iqimb_ladder_20);
4397                 }
4398         }
4399
4400         b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
4401
4402         if (!dev->phy.is_40mhz)
4403                 freq = 2500;
4404         else
4405                 freq = 5000;
4406
4407         if (nphy->mphase_cal_phase_id > 2)
4408                 b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
4409                                         0xFFFF, 0, true, false);
4410         else
4411                 error = b43_nphy_tx_tone(dev, freq, 250, true, false);
4412
4413         if (error == 0) {
4414                 if (nphy->mphase_cal_phase_id > 2) {
4415                         table = nphy->mphase_txcal_bestcoeffs;
4416                         length = 11;
4417                         if (dev->phy.rev < 3)
4418                                 length -= 2;
4419                 } else {
4420                         if (!full && nphy->txiqlocal_coeffsvalid) {
4421                                 table = nphy->txiqlocal_bestc;
4422                                 length = 11;
4423                                 if (dev->phy.rev < 3)
4424                                         length -= 2;
4425                         } else {
4426                                 full = true;
4427                                 if (dev->phy.rev >= 3) {
4428                                         table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
4429                                         length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
4430                                 } else {
4431                                         table = tbl_tx_iqlo_cal_startcoefs;
4432                                         length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
4433                                 }
4434                         }
4435                 }
4436
4437                 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
4438
4439                 if (full) {
4440                         if (dev->phy.rev >= 3)
4441                                 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
4442                         else
4443                                 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
4444                 } else {
4445                         if (dev->phy.rev >= 3)
4446                                 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
4447                         else
4448                                 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
4449                 }
4450
4451                 if (mphase) {
4452                         count = nphy->mphase_txcal_cmdidx;
4453                         numb = min(max,
4454                                 (u16)(count + nphy->mphase_txcal_numcmds));
4455                 } else {
4456                         count = 0;
4457                         numb = max;
4458                 }
4459
4460                 for (; count < numb; count++) {
4461                         if (full) {
4462                                 if (dev->phy.rev >= 3)
4463                                         cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
4464                                 else
4465                                         cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
4466                         } else {
4467                                 if (dev->phy.rev >= 3)
4468                                         cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
4469                                 else
4470                                         cmd = tbl_tx_iqlo_cal_cmds_recal[count];
4471                         }
4472
4473                         core = (cmd & 0x3000) >> 12;
4474                         type = (cmd & 0x0F00) >> 8;
4475
4476                         if (phy6or5x && updated[core] == 0) {
4477                                 b43_nphy_update_tx_cal_ladder(dev, core);
4478                                 updated[core] = true;
4479                         }
4480
4481                         tmp = (params[core].ncorr[type] << 8) | 0x66;
4482                         b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
4483
4484                         if (type == 1 || type == 3 || type == 4) {
4485                                 buffer[0] = b43_ntab_read(dev,
4486                                                 B43_NTAB16(15, 69 + core));
4487                                 diq_start = buffer[0];
4488                                 buffer[0] = 0;
4489                                 b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
4490                                                 0);
4491                         }
4492
4493                         b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
4494                         for (i = 0; i < 2000; i++) {
4495                                 tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
4496                                 if (tmp & 0xC000)
4497                                         break;
4498                                 udelay(10);
4499                         }
4500
4501                         b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
4502                                                 buffer);
4503                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
4504                                                 buffer);
4505
4506                         if (type == 1 || type == 3 || type == 4)
4507                                 buffer[0] = diq_start;
4508                 }
4509
4510                 if (mphase)
4511                         nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
4512
4513                 last = (dev->phy.rev < 3) ? 6 : 7;
4514
4515                 if (!mphase || nphy->mphase_cal_phase_id == last) {
4516                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
4517                         b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
4518                         if (dev->phy.rev < 3) {
4519                                 buffer[0] = 0;
4520                                 buffer[1] = 0;
4521                                 buffer[2] = 0;
4522                                 buffer[3] = 0;
4523                         }
4524                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
4525                                                 buffer);
4526                         b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
4527                                                 buffer);
4528                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
4529                                                 buffer);
4530                         b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
4531                                                 buffer);
4532                         length = 11;
4533                         if (dev->phy.rev < 3)
4534                                 length -= 2;
4535                         b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
4536                                                 nphy->txiqlocal_bestc);
4537                         nphy->txiqlocal_coeffsvalid = true;
4538                         nphy->txiqlocal_chanspec.center_freq =
4539                                                         dev->phy.channel_freq;
4540                         nphy->txiqlocal_chanspec.channel_type =
4541                                                         dev->phy.channel_type;
4542                 } else {
4543                         length = 11;
4544                         if (dev->phy.rev < 3)
4545                                 length -= 2;
4546                         b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
4547                                                 nphy->mphase_txcal_bestcoeffs);
4548                 }
4549
4550                 b43_nphy_stop_playback(dev);
4551                 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
4552         }
4553
4554         b43_nphy_tx_cal_phy_cleanup(dev);
4555         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
4556
4557         if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
4558                 b43_nphy_tx_iq_workaround(dev);
4559
4560         if (dev->phy.rev >= 4)
4561                 nphy->hang_avoid = avoid;
4562
4563         b43_nphy_stay_in_carrier_search(dev, false);
4564
4565         return error;
4566 }
4567
4568 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
4569 static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
4570 {
4571         struct b43_phy_n *nphy = dev->phy.n;
4572         u8 i;
4573         u16 buffer[7];
4574         bool equal = true;
4575
4576         if (!nphy->txiqlocal_coeffsvalid ||
4577             nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
4578             nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
4579                 return;
4580
4581         b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
4582         for (i = 0; i < 4; i++) {
4583                 if (buffer[i] != nphy->txiqlocal_bestc[i]) {
4584                         equal = false;
4585                         break;
4586                 }
4587         }
4588
4589         if (!equal) {
4590                 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
4591                                         nphy->txiqlocal_bestc);
4592                 for (i = 0; i < 4; i++)
4593                         buffer[i] = 0;
4594                 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
4595                                         buffer);
4596                 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
4597                                         &nphy->txiqlocal_bestc[5]);
4598                 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
4599                                         &nphy->txiqlocal_bestc[5]);
4600         }
4601 }
4602
4603 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
4604 static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
4605                         struct nphy_txgains target, u8 type, bool debug)
4606 {
4607         struct b43_phy_n *nphy = dev->phy.n;
4608         int i, j, index;
4609         u8 rfctl[2];
4610         u8 afectl_core;
4611         u16 tmp[6];
4612         u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
4613         u32 real, imag;
4614         enum ieee80211_band band;
4615
4616         u8 use;
4617         u16 cur_hpf;
4618         u16 lna[3] = { 3, 3, 1 };
4619         u16 hpf1[3] = { 7, 2, 0 };
4620         u16 hpf2[3] = { 2, 0, 0 };
4621         u32 power[3] = { };
4622         u16 gain_save[2];
4623         u16 cal_gain[2];
4624         struct nphy_iqcal_params cal_params[2];
4625         struct nphy_iq_est est;
4626         int ret = 0;
4627         bool playtone = true;
4628         int desired = 13;
4629
4630         b43_nphy_stay_in_carrier_search(dev, 1);
4631
4632         if (dev->phy.rev < 2)
4633                 b43_nphy_reapply_tx_cal_coeffs(dev);
4634         b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4635         for (i = 0; i < 2; i++) {
4636                 b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
4637                 cal_gain[i] = cal_params[i].cal_gain;
4638         }
4639         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
4640
4641         for (i = 0; i < 2; i++) {
4642                 if (i == 0) {
4643                         rfctl[0] = B43_NPHY_RFCTL_INTC1;
4644                         rfctl[1] = B43_NPHY_RFCTL_INTC2;
4645                         afectl_core = B43_NPHY_AFECTL_C1;
4646                 } else {
4647                         rfctl[0] = B43_NPHY_RFCTL_INTC2;
4648                         rfctl[1] = B43_NPHY_RFCTL_INTC1;
4649                         afectl_core = B43_NPHY_AFECTL_C2;
4650                 }
4651
4652                 tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
4653                 tmp[2] = b43_phy_read(dev, afectl_core);
4654                 tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4655                 tmp[4] = b43_phy_read(dev, rfctl[0]);
4656                 tmp[5] = b43_phy_read(dev, rfctl[1]);
4657
4658                 b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
4659                                 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
4660                                 ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
4661                 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
4662                                 (1 - i));
4663                 b43_phy_set(dev, afectl_core, 0x0006);
4664                 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
4665
4666                 band = b43_current_band(dev->wl);
4667
4668                 if (nphy->rxcalparams & 0xFF000000) {
4669                         if (band == IEEE80211_BAND_5GHZ)
4670                                 b43_phy_write(dev, rfctl[0], 0x140);
4671                         else
4672                                 b43_phy_write(dev, rfctl[0], 0x110);
4673                 } else {
4674                         if (band == IEEE80211_BAND_5GHZ)
4675                                 b43_phy_write(dev, rfctl[0], 0x180);
4676                         else
4677                                 b43_phy_write(dev, rfctl[0], 0x120);
4678                 }
4679
4680                 if (band == IEEE80211_BAND_5GHZ)
4681                         b43_phy_write(dev, rfctl[1], 0x148);
4682                 else
4683                         b43_phy_write(dev, rfctl[1], 0x114);
4684
4685                 if (nphy->rxcalparams & 0x10000) {
4686                         b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
4687                                         (i + 1));
4688                         b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
4689                                         (2 - i));
4690                 }
4691
4692                 for (j = 0; j < 4; j++) {
4693                         if (j < 3) {
4694                                 cur_lna = lna[j];
4695                                 cur_hpf1 = hpf1[j];
4696                                 cur_hpf2 = hpf2[j];
4697                         } else {
4698                                 if (power[1] > 10000) {
4699                                         use = 1;
4700                                         cur_hpf = cur_hpf1;
4701                                         index = 2;
4702                                 } else {
4703                                         if (power[0] > 10000) {
4704                                                 use = 1;
4705                                                 cur_hpf = cur_hpf1;
4706                                                 index = 1;
4707                                         } else {
4708                                                 index = 0;
4709                                                 use = 2;
4710                                                 cur_hpf = cur_hpf2;
4711                                         }
4712                                 }
4713                                 cur_lna = lna[index];
4714                                 cur_hpf1 = hpf1[index];
4715                                 cur_hpf2 = hpf2[index];
4716                                 cur_hpf += desired - hweight32(power[index]);
4717                                 cur_hpf = clamp_val(cur_hpf, 0, 10);
4718                                 if (use == 1)
4719                                         cur_hpf1 = cur_hpf;
4720                                 else
4721                                         cur_hpf2 = cur_hpf;
4722                         }
4723
4724                         tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
4725                                         (cur_lna << 2));
4726                         b43_nphy_rf_control_override(dev, 0x400, tmp[0], 3,
4727                                                                         false);
4728                         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4729                         b43_nphy_stop_playback(dev);
4730
4731                         if (playtone) {
4732                                 ret = b43_nphy_tx_tone(dev, 4000,
4733                                                 (nphy->rxcalparams & 0xFFFF),
4734                                                 false, false);
4735                                 playtone = false;
4736                         } else {
4737                                 b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
4738                                                         false, false);
4739                         }
4740
4741                         if (ret == 0) {
4742                                 if (j < 3) {
4743                                         b43_nphy_rx_iq_est(dev, &est, 1024, 32,
4744                                                                         false);
4745                                         if (i == 0) {
4746                                                 real = est.i0_pwr;
4747                                                 imag = est.q0_pwr;
4748                                         } else {
4749                                                 real = est.i1_pwr;
4750                                                 imag = est.q1_pwr;
4751                                         }
4752                                         power[i] = ((real + imag) / 1024) + 1;
4753                                 } else {
4754                                         b43_nphy_calc_rx_iq_comp(dev, 1 << i);
4755                                 }
4756                                 b43_nphy_stop_playback(dev);
4757                         }
4758
4759                         if (ret != 0)
4760                                 break;
4761                 }
4762
4763                 b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
4764                 b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
4765                 b43_phy_write(dev, rfctl[1], tmp[5]);
4766                 b43_phy_write(dev, rfctl[0], tmp[4]);
4767                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
4768                 b43_phy_write(dev, afectl_core, tmp[2]);
4769                 b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
4770
4771                 if (ret != 0)
4772                         break;
4773         }
4774
4775         b43_nphy_rf_control_override(dev, 0x400, 0, 3, true);
4776         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4777         b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4778
4779         b43_nphy_stay_in_carrier_search(dev, 0);
4780
4781         return ret;
4782 }
4783
4784 static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
4785                         struct nphy_txgains target, u8 type, bool debug)
4786 {
4787         return -1;
4788 }
4789
4790 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
4791 static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
4792                         struct nphy_txgains target, u8 type, bool debug)
4793 {
4794         if (dev->phy.rev >= 3)
4795                 return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
4796         else
4797                 return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
4798 }
4799
4800 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
4801 static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
4802 {
4803         struct b43_phy *phy = &dev->phy;
4804         struct b43_phy_n *nphy = phy->n;
4805         /* u16 buf[16]; it's rev3+ */
4806
4807         nphy->phyrxchain = mask;
4808
4809         if (0 /* FIXME clk */)
4810                 return;
4811
4812         b43_mac_suspend(dev);
4813
4814         if (nphy->hang_avoid)
4815                 b43_nphy_stay_in_carrier_search(dev, true);
4816
4817         b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
4818                         (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
4819
4820         if ((mask & 0x3) != 0x3) {
4821                 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
4822                 if (dev->phy.rev >= 3) {
4823                         /* TODO */
4824                 }
4825         } else {
4826                 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
4827                 if (dev->phy.rev >= 3) {
4828                         /* TODO */
4829                 }
4830         }
4831
4832         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4833
4834         if (nphy->hang_avoid)
4835                 b43_nphy_stay_in_carrier_search(dev, false);
4836
4837         b43_mac_enable(dev);
4838 }
4839
4840 /**************************************************
4841  * N-PHY init
4842  **************************************************/
4843
4844 /*
4845  * Upload the N-PHY tables.
4846  * http://bcm-v4.sipsolutions.net/802.11/PHY/N/InitTables
4847  */
4848 static void b43_nphy_tables_init(struct b43_wldev *dev)
4849 {
4850         if (dev->phy.rev < 3)
4851                 b43_nphy_rev0_1_2_tables_init(dev);
4852         else
4853                 b43_nphy_rev3plus_tables_init(dev);
4854 }
4855
4856 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
4857 static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
4858 {
4859         u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
4860
4861         mimocfg |= B43_NPHY_MIMOCFG_AUTO;
4862         if (preamble == 1)
4863                 mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
4864         else
4865                 mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
4866
4867         b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
4868 }
4869
4870 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
4871 static void b43_nphy_bphy_init(struct b43_wldev *dev)
4872 {
4873         unsigned int i;
4874         u16 val;
4875
4876         val = 0x1E1F;
4877         for (i = 0; i < 16; i++) {
4878                 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
4879                 val -= 0x202;
4880         }
4881         val = 0x3E3F;
4882         for (i = 0; i < 16; i++) {
4883                 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
4884                 val -= 0x202;
4885         }
4886         b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
4887 }
4888
4889 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
4890 static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
4891 {
4892         if (dev->phy.rev >= 3) {
4893                 if (!init)
4894                         return;
4895                 if (0 /* FIXME */) {
4896                         b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
4897                         b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
4898                         b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
4899                         b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
4900                 }
4901         } else {
4902                 b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
4903                 b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
4904
4905                 switch (dev->dev->bus_type) {
4906 #ifdef CONFIG_B43_BCMA
4907                 case B43_BUS_BCMA:
4908                         bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
4909                                                  0xFC00, 0xFC00);
4910                         break;
4911 #endif
4912 #ifdef CONFIG_B43_SSB
4913                 case B43_BUS_SSB:
4914                         ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
4915                                                 0xFC00, 0xFC00);
4916                         break;
4917 #endif
4918                 }
4919
4920                 b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
4921                 b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
4922                 b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
4923                               0);
4924
4925                 if (init) {
4926                         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
4927                         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
4928                         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
4929                         b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
4930                 }
4931         }
4932 }
4933
4934 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
4935 static int b43_phy_initn(struct b43_wldev *dev)
4936 {
4937         struct ssb_sprom *sprom = dev->dev->bus_sprom;
4938         struct b43_phy *phy = &dev->phy;
4939         struct b43_phy_n *nphy = phy->n;
4940         u8 tx_pwr_state;
4941         struct nphy_txgains target;
4942         u16 tmp;
4943         enum ieee80211_band tmp2;
4944         bool do_rssi_cal;
4945
4946         u16 clip[2];
4947         bool do_cal = false;
4948
4949         if ((dev->phy.rev >= 3) &&
4950            (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
4951            (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
4952                 switch (dev->dev->bus_type) {
4953 #ifdef CONFIG_B43_BCMA
4954                 case B43_BUS_BCMA:
4955                         bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
4956                                       BCMA_CC_CHIPCTL, 0x40);
4957                         break;
4958 #endif
4959 #ifdef CONFIG_B43_SSB
4960                 case B43_BUS_SSB:
4961                         chipco_set32(&dev->dev->sdev->bus->chipco,
4962                                      SSB_CHIPCO_CHIPCTL, 0x40);
4963                         break;
4964 #endif
4965                 }
4966         }
4967         nphy->deaf_count = 0;
4968         b43_nphy_tables_init(dev);
4969         nphy->crsminpwr_adjusted = false;
4970         nphy->noisevars_adjusted = false;
4971
4972         /* Clear all overrides */
4973         if (dev->phy.rev >= 3) {
4974                 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
4975                 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
4976                 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
4977                 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
4978         } else {
4979                 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
4980         }
4981         b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
4982         b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
4983         if (dev->phy.rev < 6) {
4984                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
4985                 b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
4986         }
4987         b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
4988                      ~(B43_NPHY_RFSEQMODE_CAOVER |
4989                        B43_NPHY_RFSEQMODE_TROVER));
4990         if (dev->phy.rev >= 3)
4991                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
4992         b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
4993
4994         if (dev->phy.rev <= 2) {
4995                 tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
4996                 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
4997                                 ~B43_NPHY_BPHY_CTL3_SCALE,
4998                                 tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
4999         }
5000         b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
5001         b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
5002
5003         if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
5004             (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
5005              dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93))
5006                 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
5007         else
5008                 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
5009         b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
5010         b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
5011         b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
5012
5013         b43_nphy_update_mimo_config(dev, nphy->preamble_override);
5014         b43_nphy_update_txrx_chain(dev);
5015
5016         if (phy->rev < 2) {
5017                 b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
5018                 b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
5019         }
5020
5021         tmp2 = b43_current_band(dev->wl);
5022         if (b43_nphy_ipa(dev)) {
5023                 b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
5024                 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
5025                                 nphy->papd_epsilon_offset[0] << 7);
5026                 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
5027                 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
5028                                 nphy->papd_epsilon_offset[1] << 7);
5029                 b43_nphy_int_pa_set_tx_dig_filters(dev);
5030         } else if (phy->rev >= 5) {
5031                 b43_nphy_ext_pa_set_tx_dig_filters(dev);
5032         }
5033
5034         b43_nphy_workarounds(dev);
5035
5036         /* Reset CCA, in init code it differs a little from standard way */
5037         b43_phy_force_clock(dev, 1);
5038         tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
5039         b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
5040         b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
5041         b43_phy_force_clock(dev, 0);
5042
5043         b43_mac_phy_clock_set(dev, true);
5044
5045         b43_nphy_pa_override(dev, false);
5046         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
5047         b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5048         b43_nphy_pa_override(dev, true);
5049
5050         b43_nphy_classifier(dev, 0, 0);
5051         b43_nphy_read_clip_detection(dev, clip);
5052         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5053                 b43_nphy_bphy_init(dev);
5054
5055         tx_pwr_state = nphy->txpwrctrl;
5056         b43_nphy_tx_power_ctrl(dev, false);
5057         b43_nphy_tx_power_fix(dev);
5058         b43_nphy_tx_power_ctl_idle_tssi(dev);
5059         b43_nphy_tx_power_ctl_setup(dev);
5060         b43_nphy_tx_gain_table_upload(dev);
5061
5062         if (nphy->phyrxchain != 3)
5063                 b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
5064         if (nphy->mphase_cal_phase_id > 0)
5065                 ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
5066
5067         do_rssi_cal = false;
5068         if (phy->rev >= 3) {
5069                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5070                         do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
5071                 else
5072                         do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
5073
5074                 if (do_rssi_cal)
5075                         b43_nphy_rssi_cal(dev);
5076                 else
5077                         b43_nphy_restore_rssi_cal(dev);
5078         } else {
5079                 b43_nphy_rssi_cal(dev);
5080         }
5081
5082         if (!((nphy->measure_hold & 0x6) != 0)) {
5083                 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5084                         do_cal = !nphy->iqcal_chanspec_2G.center_freq;
5085                 else
5086                         do_cal = !nphy->iqcal_chanspec_5G.center_freq;
5087
5088                 if (nphy->mute)
5089                         do_cal = false;
5090
5091                 if (do_cal) {
5092                         target = b43_nphy_get_tx_gains(dev);
5093
5094                         if (nphy->antsel_type == 2)
5095                                 b43_nphy_superswitch_init(dev, true);
5096                         if (nphy->perical != 2) {
5097                                 b43_nphy_rssi_cal(dev);
5098                                 if (phy->rev >= 3) {
5099                                         nphy->cal_orig_pwr_idx[0] =
5100                                             nphy->txpwrindex[0].index_internal;
5101                                         nphy->cal_orig_pwr_idx[1] =
5102                                             nphy->txpwrindex[1].index_internal;
5103                                         /* TODO N PHY Pre Calibrate TX Gain */
5104                                         target = b43_nphy_get_tx_gains(dev);
5105                                 }
5106                                 if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
5107                                         if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
5108                                                 b43_nphy_save_cal(dev);
5109                         } else if (nphy->mphase_cal_phase_id == 0)
5110                                 ;/* N PHY Periodic Calibration with arg 3 */
5111                 } else {
5112                         b43_nphy_restore_cal(dev);
5113                 }
5114         }
5115
5116         b43_nphy_tx_pwr_ctrl_coef_setup(dev);
5117         b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
5118         b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
5119         b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
5120         if (phy->rev >= 3 && phy->rev <= 6)
5121                 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
5122         b43_nphy_tx_lp_fbw(dev);
5123         if (phy->rev >= 3)
5124                 b43_nphy_spur_workaround(dev);
5125
5126         return 0;
5127 }
5128
5129 /**************************************************
5130  * Channel switching ops.
5131  **************************************************/
5132
5133 static void b43_chantab_phy_upload(struct b43_wldev *dev,
5134                                    const struct b43_phy_n_sfo_cfg *e)
5135 {
5136         b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
5137         b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
5138         b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
5139         b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
5140         b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
5141         b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
5142 }
5143
5144 /* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
5145 static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
5146 {
5147         switch (dev->dev->bus_type) {
5148 #ifdef CONFIG_B43_BCMA
5149         case B43_BUS_BCMA:
5150                 bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc,
5151                                              avoid);
5152                 break;
5153 #endif
5154 #ifdef CONFIG_B43_SSB
5155         case B43_BUS_SSB:
5156                 /* FIXME */
5157                 break;
5158 #endif
5159         }
5160 }
5161
5162 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
5163 static void b43_nphy_channel_setup(struct b43_wldev *dev,
5164                                 const struct b43_phy_n_sfo_cfg *e,
5165                                 struct ieee80211_channel *new_channel)
5166 {
5167         struct b43_phy *phy = &dev->phy;
5168         struct b43_phy_n *nphy = dev->phy.n;
5169         int ch = new_channel->hw_value;
5170
5171         u16 old_band_5ghz;
5172         u32 tmp32;
5173
5174         old_band_5ghz =
5175                 b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
5176         if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
5177                 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
5178                 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
5179                 b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
5180                 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
5181                 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
5182         } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
5183                 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
5184                 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
5185                 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
5186                 b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
5187                 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
5188         }
5189
5190         b43_chantab_phy_upload(dev, e);
5191
5192         if (new_channel->hw_value == 14) {
5193                 b43_nphy_classifier(dev, 2, 0);
5194                 b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
5195         } else {
5196                 b43_nphy_classifier(dev, 2, 2);
5197                 if (new_channel->band == IEEE80211_BAND_2GHZ)
5198                         b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
5199         }
5200
5201         if (!nphy->txpwrctrl)
5202                 b43_nphy_tx_power_fix(dev);
5203
5204         if (dev->phy.rev < 3)
5205                 b43_nphy_adjust_lna_gain_table(dev);
5206
5207         b43_nphy_tx_lp_fbw(dev);
5208
5209         if (dev->phy.rev >= 3 &&
5210             dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
5211                 bool avoid = false;
5212                 if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
5213                         avoid = true;
5214                 } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
5215                         if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
5216                                 avoid = true;
5217                 } else { /* 40MHz */
5218                         if (nphy->aband_spurwar_en &&
5219                             (ch == 38 || ch == 102 || ch == 118))
5220                                 avoid = dev->dev->chip_id == 0x4716;
5221                 }
5222
5223                 b43_nphy_pmu_spur_avoid(dev, avoid);
5224
5225                 if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
5226                     dev->dev->chip_id == 43225) {
5227                         b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
5228                                     avoid ? 0x5341 : 0x8889);
5229                         b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
5230                 }
5231
5232                 if (dev->phy.rev == 3 || dev->phy.rev == 4)
5233                         ; /* TODO: reset PLL */
5234
5235                 if (avoid)
5236                         b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
5237                 else
5238                         b43_phy_mask(dev, B43_NPHY_BBCFG,
5239                                      ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
5240
5241                 b43_nphy_reset_cca(dev);
5242
5243                 /* wl sets useless phy_isspuravoid here */
5244         }
5245
5246         b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
5247
5248         if (phy->rev >= 3)
5249                 b43_nphy_spur_workaround(dev);
5250 }
5251
5252 /* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
5253 static int b43_nphy_set_channel(struct b43_wldev *dev,
5254                                 struct ieee80211_channel *channel,
5255                                 enum nl80211_channel_type channel_type)
5256 {
5257         struct b43_phy *phy = &dev->phy;
5258
5259         const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
5260         const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
5261
5262         u8 tmp;
5263
5264         if (dev->phy.rev >= 3) {
5265                 tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
5266                                                         channel->center_freq);
5267                 if (!tabent_r3)
5268                         return -ESRCH;
5269         } else {
5270                 tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
5271                                                         channel->hw_value);
5272                 if (!tabent_r2)
5273                         return -ESRCH;
5274         }
5275
5276         /* Channel is set later in common code, but we need to set it on our
5277            own to let this function's subcalls work properly. */
5278         phy->channel = channel->hw_value;
5279         phy->channel_freq = channel->center_freq;
5280
5281         if (b43_channel_type_is_40mhz(phy->channel_type) !=
5282                 b43_channel_type_is_40mhz(channel_type))
5283                 ; /* TODO: BMAC BW Set (channel_type) */
5284
5285         if (channel_type == NL80211_CHAN_HT40PLUS)
5286                 b43_phy_set(dev, B43_NPHY_RXCTL,
5287                                 B43_NPHY_RXCTL_BSELU20);
5288         else if (channel_type == NL80211_CHAN_HT40MINUS)
5289                 b43_phy_mask(dev, B43_NPHY_RXCTL,
5290                                 ~B43_NPHY_RXCTL_BSELU20);
5291
5292         if (dev->phy.rev >= 3) {
5293                 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
5294                 b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
5295                 b43_radio_2056_setup(dev, tabent_r3);
5296                 b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
5297         } else {
5298                 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
5299                 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
5300                 b43_radio_2055_setup(dev, tabent_r2);
5301                 b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
5302         }
5303
5304         return 0;
5305 }
5306
5307 /**************************************************
5308  * Basic PHY ops.
5309  **************************************************/
5310
5311 static int b43_nphy_op_allocate(struct b43_wldev *dev)
5312 {
5313         struct b43_phy_n *nphy;
5314
5315         nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
5316         if (!nphy)
5317                 return -ENOMEM;
5318         dev->phy.n = nphy;
5319
5320         return 0;
5321 }
5322
5323 static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
5324 {
5325         struct b43_phy *phy = &dev->phy;
5326         struct b43_phy_n *nphy = phy->n;
5327         struct ssb_sprom *sprom = dev->dev->bus_sprom;
5328
5329         memset(nphy, 0, sizeof(*nphy));
5330
5331         nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
5332         nphy->spur_avoid = (phy->rev >= 3) ?
5333                                 B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
5334         nphy->init_por = true;
5335         nphy->gain_boost = true; /* this way we follow wl, assume it is true */
5336         nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
5337         nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
5338         nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
5339         /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
5340          * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
5341         nphy->tx_pwr_idx[0] = 128;
5342         nphy->tx_pwr_idx[1] = 128;
5343
5344         /* Hardware TX power control and 5GHz power gain */
5345         nphy->txpwrctrl = false;
5346         nphy->pwg_gain_5ghz = false;
5347         if (dev->phy.rev >= 3 ||
5348             (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
5349              (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
5350                 nphy->txpwrctrl = true;
5351                 nphy->pwg_gain_5ghz = true;
5352         } else if (sprom->revision >= 4) {
5353                 if (dev->phy.rev >= 2 &&
5354                     (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
5355                         nphy->txpwrctrl = true;
5356 #ifdef CONFIG_B43_SSB
5357                         if (dev->dev->bus_type == B43_BUS_SSB &&
5358                             dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
5359                                 struct pci_dev *pdev =
5360                                         dev->dev->sdev->bus->host_pci;
5361                                 if (pdev->device == 0x4328 ||
5362                                     pdev->device == 0x432a)
5363                                         nphy->pwg_gain_5ghz = true;
5364                         }
5365 #endif
5366                 } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
5367                         nphy->pwg_gain_5ghz = true;
5368                 }
5369         }
5370
5371         if (dev->phy.rev >= 3) {
5372                 nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
5373                 nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
5374         }
5375
5376         nphy->init_por = true;
5377 }
5378
5379 static void b43_nphy_op_free(struct b43_wldev *dev)
5380 {
5381         struct b43_phy *phy = &dev->phy;
5382         struct b43_phy_n *nphy = phy->n;
5383
5384         kfree(nphy);
5385         phy->n = NULL;
5386 }
5387
5388 static int b43_nphy_op_init(struct b43_wldev *dev)
5389 {
5390         return b43_phy_initn(dev);
5391 }
5392
5393 static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
5394 {
5395 #if B43_DEBUG
5396         if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
5397                 /* OFDM registers are onnly available on A/G-PHYs */
5398                 b43err(dev->wl, "Invalid OFDM PHY access at "
5399                        "0x%04X on N-PHY\n", offset);
5400                 dump_stack();
5401         }
5402         if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
5403                 /* Ext-G registers are only available on G-PHYs */
5404                 b43err(dev->wl, "Invalid EXT-G PHY access at "
5405                        "0x%04X on N-PHY\n", offset);
5406                 dump_stack();
5407         }
5408 #endif /* B43_DEBUG */
5409 }
5410
5411 static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
5412 {
5413         check_phyreg(dev, reg);
5414         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
5415         return b43_read16(dev, B43_MMIO_PHY_DATA);
5416 }
5417
5418 static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
5419 {
5420         check_phyreg(dev, reg);
5421         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
5422         b43_write16(dev, B43_MMIO_PHY_DATA, value);
5423 }
5424
5425 static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
5426                                  u16 set)
5427 {
5428         check_phyreg(dev, reg);
5429         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
5430         b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
5431 }
5432
5433 static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
5434 {
5435         /* Register 1 is a 32-bit register. */
5436         B43_WARN_ON(reg == 1);
5437         /* N-PHY needs 0x100 for read access */
5438         reg |= 0x100;
5439
5440         b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
5441         return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
5442 }
5443
5444 static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
5445 {
5446         /* Register 1 is a 32-bit register. */
5447         B43_WARN_ON(reg == 1);
5448
5449         b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
5450         b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
5451 }
5452
5453 /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
5454 static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
5455                                         bool blocked)
5456 {
5457         if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
5458                 b43err(dev->wl, "MAC not suspended\n");
5459
5460         if (blocked) {
5461                 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
5462                                 ~B43_NPHY_RFCTL_CMD_CHIP0PU);
5463                 if (dev->phy.rev >= 7) {
5464                         /* TODO */
5465                 } else if (dev->phy.rev >= 3) {
5466                         b43_radio_mask(dev, 0x09, ~0x2);
5467
5468                         b43_radio_write(dev, 0x204D, 0);
5469                         b43_radio_write(dev, 0x2053, 0);
5470                         b43_radio_write(dev, 0x2058, 0);
5471                         b43_radio_write(dev, 0x205E, 0);
5472                         b43_radio_mask(dev, 0x2062, ~0xF0);
5473                         b43_radio_write(dev, 0x2064, 0);
5474
5475                         b43_radio_write(dev, 0x304D, 0);
5476                         b43_radio_write(dev, 0x3053, 0);
5477                         b43_radio_write(dev, 0x3058, 0);
5478                         b43_radio_write(dev, 0x305E, 0);
5479                         b43_radio_mask(dev, 0x3062, ~0xF0);
5480                         b43_radio_write(dev, 0x3064, 0);
5481                 }
5482         } else {
5483                 if (dev->phy.rev >= 7) {
5484                         b43_radio_2057_init(dev);
5485                         b43_switch_channel(dev, dev->phy.channel);
5486                 } else if (dev->phy.rev >= 3) {
5487                         b43_radio_init2056(dev);
5488                         b43_switch_channel(dev, dev->phy.channel);
5489                 } else {
5490                         b43_radio_init2055(dev);
5491                 }
5492         }
5493 }
5494
5495 /* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
5496 static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
5497 {
5498         u16 override = on ? 0x0 : 0x7FFF;
5499         u16 core = on ? 0xD : 0x00FD;
5500
5501         if (dev->phy.rev >= 3) {
5502                 if (on) {
5503                         b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
5504                         b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
5505                         b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
5506                         b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
5507                 } else {
5508                         b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
5509                         b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
5510                         b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
5511                         b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
5512                 }
5513         } else {
5514                 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
5515         }
5516 }
5517
5518 static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
5519                                       unsigned int new_channel)
5520 {
5521         struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
5522         enum nl80211_channel_type channel_type =
5523                 cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
5524
5525         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
5526                 if ((new_channel < 1) || (new_channel > 14))
5527                         return -EINVAL;
5528         } else {
5529                 if (new_channel > 200)
5530                         return -EINVAL;
5531         }
5532
5533         return b43_nphy_set_channel(dev, channel, channel_type);
5534 }
5535
5536 static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
5537 {
5538         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5539                 return 1;
5540         return 36;
5541 }
5542
5543 const struct b43_phy_operations b43_phyops_n = {
5544         .allocate               = b43_nphy_op_allocate,
5545         .free                   = b43_nphy_op_free,
5546         .prepare_structs        = b43_nphy_op_prepare_structs,
5547         .init                   = b43_nphy_op_init,
5548         .phy_read               = b43_nphy_op_read,
5549         .phy_write              = b43_nphy_op_write,
5550         .phy_maskset            = b43_nphy_op_maskset,
5551         .radio_read             = b43_nphy_op_radio_read,
5552         .radio_write            = b43_nphy_op_radio_write,
5553         .software_rfkill        = b43_nphy_op_software_rfkill,
5554         .switch_analog          = b43_nphy_op_switch_analog,
5555         .switch_channel         = b43_nphy_op_switch_channel,
5556         .get_default_chan       = b43_nphy_op_get_default_chan,
5557         .recalc_txpower         = b43_nphy_op_recalc_txpower,
5558         .adjust_txpower         = b43_nphy_op_adjust_txpower,
5559 };