linux/drivers/net/wireless/b43/phy_n.c
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   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
  38struct nphy_txgains {
  39        u16 txgm[2];
  40        u16 pga[2];
  41        u16 pad[2];
  42        u16 ipa[2];
  43};
  44
  45struct 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
  54struct 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
  63enum 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
  72enum n_intc_override {
  73        N_INTC_OVERRIDE_OFF = 0,
  74        N_INTC_OVERRIDE_TRSW = 1,
  75        N_INTC_OVERRIDE_PA = 2,
  76        N_INTC_OVERRIDE_EXT_LNA_PU = 3,
  77        N_INTC_OVERRIDE_EXT_LNA_GAIN = 4,
  78};
  79
  80enum n_rssi_type {
  81        N_RSSI_W1 = 0,
  82        N_RSSI_W2,
  83        N_RSSI_NB,
  84        N_RSSI_IQ,
  85        N_RSSI_TSSI_2G,
  86        N_RSSI_TSSI_5G,
  87        N_RSSI_TBD,
  88};
  89
  90enum n_rail_type {
  91        N_RAIL_I = 0,
  92        N_RAIL_Q = 1,
  93};
  94
  95static inline bool b43_nphy_ipa(struct b43_wldev *dev)
  96{
  97        enum ieee80211_band band = b43_current_band(dev->wl);
  98        return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) ||
  99                (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ));
 100}
 101
 102/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */
 103static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev)
 104{
 105        return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >>
 106                B43_NPHY_RFSEQCA_RXEN_SHIFT;
 107}
 108
 109/**************************************************
 110 * RF (just without b43_nphy_rf_ctl_intc_override)
 111 **************************************************/
 112
 113/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */
 114static void b43_nphy_force_rf_sequence(struct b43_wldev *dev,
 115                                       enum b43_nphy_rf_sequence seq)
 116{
 117        static const u16 trigger[] = {
 118                [B43_RFSEQ_RX2TX]               = B43_NPHY_RFSEQTR_RX2TX,
 119                [B43_RFSEQ_TX2RX]               = B43_NPHY_RFSEQTR_TX2RX,
 120                [B43_RFSEQ_RESET2RX]            = B43_NPHY_RFSEQTR_RST2RX,
 121                [B43_RFSEQ_UPDATE_GAINH]        = B43_NPHY_RFSEQTR_UPGH,
 122                [B43_RFSEQ_UPDATE_GAINL]        = B43_NPHY_RFSEQTR_UPGL,
 123                [B43_RFSEQ_UPDATE_GAINU]        = B43_NPHY_RFSEQTR_UPGU,
 124        };
 125        int i;
 126        u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
 127
 128        B43_WARN_ON(seq >= ARRAY_SIZE(trigger));
 129
 130        b43_phy_set(dev, B43_NPHY_RFSEQMODE,
 131                    B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER);
 132        b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]);
 133        for (i = 0; i < 200; i++) {
 134                if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq]))
 135                        goto ok;
 136                msleep(1);
 137        }
 138        b43err(dev->wl, "RF sequence status timeout\n");
 139ok:
 140        b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
 141}
 142
 143/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */
 144static void b43_nphy_rf_ctl_override_rev7(struct b43_wldev *dev, u16 field,
 145                                          u16 value, u8 core, bool off,
 146                                          u8 override)
 147{
 148        const struct nphy_rf_control_override_rev7 *e;
 149        u16 en_addrs[3][2] = {
 150                { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 }
 151        };
 152        u16 en_addr;
 153        u16 en_mask = field;
 154        u16 val_addr;
 155        u8 i;
 156
 157        /* Remember: we can get NULL! */
 158        e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override);
 159
 160        for (i = 0; i < 2; i++) {
 161                if (override >= ARRAY_SIZE(en_addrs)) {
 162                        b43err(dev->wl, "Invalid override value %d\n", override);
 163                        return;
 164                }
 165                en_addr = en_addrs[override][i];
 166
 167                val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1;
 168
 169                if (off) {
 170                        b43_phy_mask(dev, en_addr, ~en_mask);
 171                        if (e) /* Do it safer, better than wl */
 172                                b43_phy_mask(dev, val_addr, ~e->val_mask);
 173                } else {
 174                        if (!core || (core & (1 << i))) {
 175                                b43_phy_set(dev, en_addr, en_mask);
 176                                if (e)
 177                                        b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift));
 178                        }
 179                }
 180        }
 181}
 182
 183/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */
 184static void b43_nphy_rf_ctl_override(struct b43_wldev *dev, u16 field,
 185                                     u16 value, u8 core, bool off)
 186{
 187        int i;
 188        u8 index = fls(field);
 189        u8 addr, en_addr, val_addr;
 190        /* we expect only one bit set */
 191        B43_WARN_ON(field & (~(1 << (index - 1))));
 192
 193        if (dev->phy.rev >= 3) {
 194                const struct nphy_rf_control_override_rev3 *rf_ctrl;
 195                for (i = 0; i < 2; i++) {
 196                        if (index == 0 || index == 16) {
 197                                b43err(dev->wl,
 198                                        "Unsupported RF Ctrl Override call\n");
 199                                return;
 200                        }
 201
 202                        rf_ctrl = &tbl_rf_control_override_rev3[index - 1];
 203                        en_addr = B43_PHY_N((i == 0) ?
 204                                rf_ctrl->en_addr0 : rf_ctrl->en_addr1);
 205                        val_addr = B43_PHY_N((i == 0) ?
 206                                rf_ctrl->val_addr0 : rf_ctrl->val_addr1);
 207
 208                        if (off) {
 209                                b43_phy_mask(dev, en_addr, ~(field));
 210                                b43_phy_mask(dev, val_addr,
 211                                                ~(rf_ctrl->val_mask));
 212                        } else {
 213                                if (core == 0 || ((1 << i) & core)) {
 214                                        b43_phy_set(dev, en_addr, field);
 215                                        b43_phy_maskset(dev, val_addr,
 216                                                ~(rf_ctrl->val_mask),
 217                                                (value << rf_ctrl->val_shift));
 218                                }
 219                        }
 220                }
 221        } else {
 222                const struct nphy_rf_control_override_rev2 *rf_ctrl;
 223                if (off) {
 224                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field));
 225                        value = 0;
 226                } else {
 227                        b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field);
 228                }
 229
 230                for (i = 0; i < 2; i++) {
 231                        if (index <= 1 || index == 16) {
 232                                b43err(dev->wl,
 233                                        "Unsupported RF Ctrl Override call\n");
 234                                return;
 235                        }
 236
 237                        if (index == 2 || index == 10 ||
 238                            (index >= 13 && index <= 15)) {
 239                                core = 1;
 240                        }
 241
 242                        rf_ctrl = &tbl_rf_control_override_rev2[index - 2];
 243                        addr = B43_PHY_N((i == 0) ?
 244                                rf_ctrl->addr0 : rf_ctrl->addr1);
 245
 246                        if ((1 << i) & core)
 247                                b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask),
 248                                                (value << rf_ctrl->shift));
 249
 250                        b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
 251                        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 252                                        B43_NPHY_RFCTL_CMD_START);
 253                        udelay(1);
 254                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE);
 255                }
 256        }
 257}
 258
 259/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */
 260static void b43_nphy_rf_ctl_intc_override(struct b43_wldev *dev,
 261                                          enum n_intc_override intc_override,
 262                                          u16 value, u8 core)
 263{
 264        u8 i, j;
 265        u16 reg, tmp, val;
 266
 267        B43_WARN_ON(dev->phy.rev < 3);
 268
 269        for (i = 0; i < 2; i++) {
 270                if ((core == 1 && i == 1) || (core == 2 && !i))
 271                        continue;
 272
 273                reg = (i == 0) ?
 274                        B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2;
 275                b43_phy_set(dev, reg, 0x400);
 276
 277                switch (intc_override) {
 278                case N_INTC_OVERRIDE_OFF:
 279                        b43_phy_write(dev, reg, 0);
 280                        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
 281                        break;
 282                case N_INTC_OVERRIDE_TRSW:
 283                        if (!i) {
 284                                b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1,
 285                                                0xFC3F, (value << 6));
 286                                b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1,
 287                                                0xFFFE, 1);
 288                                b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 289                                                B43_NPHY_RFCTL_CMD_START);
 290                                for (j = 0; j < 100; j++) {
 291                                        if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) {
 292                                                j = 0;
 293                                                break;
 294                                        }
 295                                        udelay(10);
 296                                }
 297                                if (j)
 298                                        b43err(dev->wl,
 299                                                "intc override timeout\n");
 300                                b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1,
 301                                                0xFFFE);
 302                        } else {
 303                                b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2,
 304                                                0xFC3F, (value << 6));
 305                                b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER,
 306                                                0xFFFE, 1);
 307                                b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 308                                                B43_NPHY_RFCTL_CMD_RXTX);
 309                                for (j = 0; j < 100; j++) {
 310                                        if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) {
 311                                                j = 0;
 312                                                break;
 313                                        }
 314                                        udelay(10);
 315                                }
 316                                if (j)
 317                                        b43err(dev->wl,
 318                                                "intc override timeout\n");
 319                                b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
 320                                                0xFFFE);
 321                        }
 322                        break;
 323                case N_INTC_OVERRIDE_PA:
 324                        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 325                                tmp = 0x0020;
 326                                val = value << 5;
 327                        } else {
 328                                tmp = 0x0010;
 329                                val = value << 4;
 330                        }
 331                        b43_phy_maskset(dev, reg, ~tmp, val);
 332                        break;
 333                case N_INTC_OVERRIDE_EXT_LNA_PU:
 334                        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 335                                tmp = 0x0001;
 336                                val = value;
 337                        } else {
 338                                tmp = 0x0004;
 339                                val = value << 2;
 340                        }
 341                        b43_phy_maskset(dev, reg, ~tmp, val);
 342                        break;
 343                case N_INTC_OVERRIDE_EXT_LNA_GAIN:
 344                        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 345                                tmp = 0x0002;
 346                                val = value << 1;
 347                        } else {
 348                                tmp = 0x0008;
 349                                val = value << 3;
 350                        }
 351                        b43_phy_maskset(dev, reg, ~tmp, val);
 352                        break;
 353                }
 354        }
 355}
 356
 357/**************************************************
 358 * Various PHY ops
 359 **************************************************/
 360
 361/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
 362static void b43_nphy_write_clip_detection(struct b43_wldev *dev,
 363                                          const u16 *clip_st)
 364{
 365        b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]);
 366        b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]);
 367}
 368
 369/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */
 370static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
 371{
 372        clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES);
 373        clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES);
 374}
 375
 376/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */
 377static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val)
 378{
 379        u16 tmp;
 380
 381        if (dev->dev->core_rev == 16)
 382                b43_mac_suspend(dev);
 383
 384        tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL);
 385        tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN |
 386                B43_NPHY_CLASSCTL_WAITEDEN);
 387        tmp &= ~mask;
 388        tmp |= (val & mask);
 389        b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp);
 390
 391        if (dev->dev->core_rev == 16)
 392                b43_mac_enable(dev);
 393
 394        return tmp;
 395}
 396
 397/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */
 398static void b43_nphy_reset_cca(struct b43_wldev *dev)
 399{
 400        u16 bbcfg;
 401
 402        b43_phy_force_clock(dev, 1);
 403        bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG);
 404        b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA);
 405        udelay(1);
 406        b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA);
 407        b43_phy_force_clock(dev, 0);
 408        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
 409}
 410
 411/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */
 412static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable)
 413{
 414        struct b43_phy *phy = &dev->phy;
 415        struct b43_phy_n *nphy = phy->n;
 416
 417        if (enable) {
 418                static const u16 clip[] = { 0xFFFF, 0xFFFF };
 419                if (nphy->deaf_count++ == 0) {
 420                        nphy->classifier_state = b43_nphy_classifier(dev, 0, 0);
 421                        b43_nphy_classifier(dev, 0x7, 0);
 422                        b43_nphy_read_clip_detection(dev, nphy->clip_state);
 423                        b43_nphy_write_clip_detection(dev, clip);
 424                }
 425                b43_nphy_reset_cca(dev);
 426        } else {
 427                if (--nphy->deaf_count == 0) {
 428                        b43_nphy_classifier(dev, 0x7, nphy->classifier_state);
 429                        b43_nphy_write_clip_detection(dev, nphy->clip_state);
 430                }
 431        }
 432}
 433
 434/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */
 435static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev)
 436{
 437        struct b43_phy_n *nphy = dev->phy.n;
 438
 439        u8 i;
 440        s16 tmp;
 441        u16 data[4];
 442        s16 gain[2];
 443        u16 minmax[2];
 444        static const u16 lna_gain[4] = { -2, 10, 19, 25 };
 445
 446        if (nphy->hang_avoid)
 447                b43_nphy_stay_in_carrier_search(dev, 1);
 448
 449        if (nphy->gain_boost) {
 450                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
 451                        gain[0] = 6;
 452                        gain[1] = 6;
 453                } else {
 454                        tmp = 40370 - 315 * dev->phy.channel;
 455                        gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1));
 456                        tmp = 23242 - 224 * dev->phy.channel;
 457                        gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1));
 458                }
 459        } else {
 460                gain[0] = 0;
 461                gain[1] = 0;
 462        }
 463
 464        for (i = 0; i < 2; i++) {
 465                if (nphy->elna_gain_config) {
 466                        data[0] = 19 + gain[i];
 467                        data[1] = 25 + gain[i];
 468                        data[2] = 25 + gain[i];
 469                        data[3] = 25 + gain[i];
 470                } else {
 471                        data[0] = lna_gain[0] + gain[i];
 472                        data[1] = lna_gain[1] + gain[i];
 473                        data[2] = lna_gain[2] + gain[i];
 474                        data[3] = lna_gain[3] + gain[i];
 475                }
 476                b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data);
 477
 478                minmax[i] = 23 + gain[i];
 479        }
 480
 481        b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN,
 482                                minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT);
 483        b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN,
 484                                minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT);
 485
 486        if (nphy->hang_avoid)
 487                b43_nphy_stay_in_carrier_search(dev, 0);
 488}
 489
 490/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */
 491static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd,
 492                                        u8 *events, u8 *delays, u8 length)
 493{
 494        struct b43_phy_n *nphy = dev->phy.n;
 495        u8 i;
 496        u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F;
 497        u16 offset1 = cmd << 4;
 498        u16 offset2 = offset1 + 0x80;
 499
 500        if (nphy->hang_avoid)
 501                b43_nphy_stay_in_carrier_search(dev, true);
 502
 503        b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events);
 504        b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays);
 505
 506        for (i = length; i < 16; i++) {
 507                b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end);
 508                b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1);
 509        }
 510
 511        if (nphy->hang_avoid)
 512                b43_nphy_stay_in_carrier_search(dev, false);
 513}
 514
 515/**************************************************
 516 * Radio 0x2057
 517 **************************************************/
 518
 519/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */
 520static u8 b43_radio_2057_rcal(struct b43_wldev *dev)
 521{
 522        struct b43_phy *phy = &dev->phy;
 523        u16 tmp;
 524
 525        if (phy->radio_rev == 5) {
 526                b43_phy_mask(dev, 0x342, ~0x2);
 527                udelay(10);
 528                b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1);
 529                b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1);
 530        }
 531
 532        b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1);
 533        udelay(10);
 534        b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3);
 535        if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) {
 536                b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
 537                return 0;
 538        }
 539        b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2);
 540        tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E;
 541        b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1);
 542
 543        if (phy->radio_rev == 5) {
 544                b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1);
 545                b43_radio_mask(dev, 0x1ca, ~0x2);
 546        }
 547        if (phy->radio_rev <= 4 || phy->radio_rev == 6) {
 548                b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp);
 549                b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0,
 550                                  tmp << 2);
 551        }
 552
 553        return tmp & 0x3e;
 554}
 555
 556/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */
 557static u16 b43_radio_2057_rccal(struct b43_wldev *dev)
 558{
 559        struct b43_phy *phy = &dev->phy;
 560        bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 ||
 561                        phy->radio_rev == 6);
 562        u16 tmp;
 563
 564        if (special) {
 565                b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61);
 566                b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0);
 567        } else {
 568                b43_radio_write(dev, 0x1AE, 0x61);
 569                b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1);
 570        }
 571        b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
 572        b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
 573        if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
 574                                  5000000))
 575                b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
 576        b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
 577        if (special) {
 578                b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69);
 579                b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
 580        } else {
 581                b43_radio_write(dev, 0x1AE, 0x69);
 582                b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5);
 583        }
 584        b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
 585        b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
 586        if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
 587                                  5000000))
 588                b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n");
 589        b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
 590        if (special) {
 591                b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73);
 592                b43_radio_write(dev, R2057_RCCAL_X1, 0x28);
 593                b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0);
 594        } else {
 595                b43_radio_write(dev, 0x1AE, 0x73);
 596                b43_radio_write(dev, R2057_RCCAL_X1, 0x6E);
 597                b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99);
 598        }
 599        b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55);
 600        if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500,
 601                                  5000000)) {
 602                b43err(dev->wl, "Radio 0x2057 rcal timeout\n");
 603                return 0;
 604        }
 605        tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP);
 606        b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15);
 607        return tmp;
 608}
 609
 610static void b43_radio_2057_init_pre(struct b43_wldev *dev)
 611{
 612        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU);
 613        /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
 614        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE);
 615        b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
 616        b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU);
 617}
 618
 619static void b43_radio_2057_init_post(struct b43_wldev *dev)
 620{
 621        b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1);
 622
 623        b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78);
 624        b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80);
 625        mdelay(2);
 626        b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78);
 627        b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80);
 628
 629        if (dev->phy.n->init_por) {
 630                b43_radio_2057_rcal(dev);
 631                b43_radio_2057_rccal(dev);
 632        }
 633        b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8);
 634
 635        dev->phy.n->init_por = false;
 636}
 637
 638/* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */
 639static void b43_radio_2057_init(struct b43_wldev *dev)
 640{
 641        b43_radio_2057_init_pre(dev);
 642        r2057_upload_inittabs(dev);
 643        b43_radio_2057_init_post(dev);
 644}
 645
 646/**************************************************
 647 * Radio 0x2056
 648 **************************************************/
 649
 650static void b43_chantab_radio_2056_upload(struct b43_wldev *dev,
 651                                const struct b43_nphy_channeltab_entry_rev3 *e)
 652{
 653        b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1);
 654        b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2);
 655        b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv);
 656        b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2);
 657        b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1);
 658        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1,
 659                                        e->radio_syn_pll_loopfilter1);
 660        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2,
 661                                        e->radio_syn_pll_loopfilter2);
 662        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3,
 663                                        e->radio_syn_pll_loopfilter3);
 664        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4,
 665                                        e->radio_syn_pll_loopfilter4);
 666        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5,
 667                                        e->radio_syn_pll_loopfilter5);
 668        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27,
 669                                        e->radio_syn_reserved_addr27);
 670        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28,
 671                                        e->radio_syn_reserved_addr28);
 672        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29,
 673                                        e->radio_syn_reserved_addr29);
 674        b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1,
 675                                        e->radio_syn_logen_vcobuf1);
 676        b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2);
 677        b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3);
 678        b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4);
 679
 680        b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE,
 681                                        e->radio_rx0_lnaa_tune);
 682        b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE,
 683                                        e->radio_rx0_lnag_tune);
 684
 685        b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE,
 686                                        e->radio_tx0_intpaa_boost_tune);
 687        b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE,
 688                                        e->radio_tx0_intpag_boost_tune);
 689        b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE,
 690                                        e->radio_tx0_pada_boost_tune);
 691        b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE,
 692                                        e->radio_tx0_padg_boost_tune);
 693        b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE,
 694                                        e->radio_tx0_pgaa_boost_tune);
 695        b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE,
 696                                        e->radio_tx0_pgag_boost_tune);
 697        b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE,
 698                                        e->radio_tx0_mixa_boost_tune);
 699        b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE,
 700                                        e->radio_tx0_mixg_boost_tune);
 701
 702        b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE,
 703                                        e->radio_rx1_lnaa_tune);
 704        b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE,
 705                                        e->radio_rx1_lnag_tune);
 706
 707        b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE,
 708                                        e->radio_tx1_intpaa_boost_tune);
 709        b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE,
 710                                        e->radio_tx1_intpag_boost_tune);
 711        b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE,
 712                                        e->radio_tx1_pada_boost_tune);
 713        b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE,
 714                                        e->radio_tx1_padg_boost_tune);
 715        b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE,
 716                                        e->radio_tx1_pgaa_boost_tune);
 717        b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE,
 718                                        e->radio_tx1_pgag_boost_tune);
 719        b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE,
 720                                        e->radio_tx1_mixa_boost_tune);
 721        b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE,
 722                                        e->radio_tx1_mixg_boost_tune);
 723}
 724
 725/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */
 726static void b43_radio_2056_setup(struct b43_wldev *dev,
 727                                const struct b43_nphy_channeltab_entry_rev3 *e)
 728{
 729        struct ssb_sprom *sprom = dev->dev->bus_sprom;
 730        enum ieee80211_band band = b43_current_band(dev->wl);
 731        u16 offset;
 732        u8 i;
 733        u16 bias, cbias;
 734        u16 pag_boost, padg_boost, pgag_boost, mixg_boost;
 735        u16 paa_boost, pada_boost, pgaa_boost, mixa_boost;
 736
 737        B43_WARN_ON(dev->phy.rev < 3);
 738
 739        b43_chantab_radio_2056_upload(dev, e);
 740        b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ);
 741
 742        if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
 743            b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
 744                b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
 745                b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
 746                if (dev->dev->chip_id == 0x4716) {
 747                        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14);
 748                        b43_radio_write(dev, B2056_SYN_PLL_CP2, 0);
 749                } else {
 750                        b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B);
 751                        b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14);
 752                }
 753        }
 754        if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
 755            b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
 756                b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F);
 757                b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F);
 758                b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05);
 759                b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C);
 760        }
 761
 762        if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) {
 763                for (i = 0; i < 2; i++) {
 764                        offset = i ? B2056_TX1 : B2056_TX0;
 765                        if (dev->phy.rev >= 5) {
 766                                b43_radio_write(dev,
 767                                        offset | B2056_TX_PADG_IDAC, 0xcc);
 768
 769                                if (dev->dev->chip_id == 0x4716) {
 770                                        bias = 0x40;
 771                                        cbias = 0x45;
 772                                        pag_boost = 0x5;
 773                                        pgag_boost = 0x33;
 774                                        mixg_boost = 0x55;
 775                                } else {
 776                                        bias = 0x25;
 777                                        cbias = 0x20;
 778                                        pag_boost = 0x4;
 779                                        pgag_boost = 0x03;
 780                                        mixg_boost = 0x65;
 781                                }
 782                                padg_boost = 0x77;
 783
 784                                b43_radio_write(dev,
 785                                        offset | B2056_TX_INTPAG_IMAIN_STAT,
 786                                        bias);
 787                                b43_radio_write(dev,
 788                                        offset | B2056_TX_INTPAG_IAUX_STAT,
 789                                        bias);
 790                                b43_radio_write(dev,
 791                                        offset | B2056_TX_INTPAG_CASCBIAS,
 792                                        cbias);
 793                                b43_radio_write(dev,
 794                                        offset | B2056_TX_INTPAG_BOOST_TUNE,
 795                                        pag_boost);
 796                                b43_radio_write(dev,
 797                                        offset | B2056_TX_PGAG_BOOST_TUNE,
 798                                        pgag_boost);
 799                                b43_radio_write(dev,
 800                                        offset | B2056_TX_PADG_BOOST_TUNE,
 801                                        padg_boost);
 802                                b43_radio_write(dev,
 803                                        offset | B2056_TX_MIXG_BOOST_TUNE,
 804                                        mixg_boost);
 805                        } else {
 806                                bias = dev->phy.is_40mhz ? 0x40 : 0x20;
 807                                b43_radio_write(dev,
 808                                        offset | B2056_TX_INTPAG_IMAIN_STAT,
 809                                        bias);
 810                                b43_radio_write(dev,
 811                                        offset | B2056_TX_INTPAG_IAUX_STAT,
 812                                        bias);
 813                                b43_radio_write(dev,
 814                                        offset | B2056_TX_INTPAG_CASCBIAS,
 815                                        0x30);
 816                        }
 817                        b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee);
 818                }
 819        } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) {
 820                u16 freq = dev->phy.channel_freq;
 821                if (freq < 5100) {
 822                        paa_boost = 0xA;
 823                        pada_boost = 0x77;
 824                        pgaa_boost = 0xF;
 825                        mixa_boost = 0xF;
 826                } else if (freq < 5340) {
 827                        paa_boost = 0x8;
 828                        pada_boost = 0x77;
 829                        pgaa_boost = 0xFB;
 830                        mixa_boost = 0xF;
 831                } else if (freq < 5650) {
 832                        paa_boost = 0x0;
 833                        pada_boost = 0x77;
 834                        pgaa_boost = 0xB;
 835                        mixa_boost = 0xF;
 836                } else {
 837                        paa_boost = 0x0;
 838                        pada_boost = 0x77;
 839                        if (freq != 5825)
 840                                pgaa_boost = -(freq - 18) / 36 + 168;
 841                        else
 842                                pgaa_boost = 6;
 843                        mixa_boost = 0xF;
 844                }
 845
 846                for (i = 0; i < 2; i++) {
 847                        offset = i ? B2056_TX1 : B2056_TX0;
 848
 849                        b43_radio_write(dev,
 850                                offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost);
 851                        b43_radio_write(dev,
 852                                offset | B2056_TX_PADA_BOOST_TUNE, pada_boost);
 853                        b43_radio_write(dev,
 854                                offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost);
 855                        b43_radio_write(dev,
 856                                offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost);
 857                        b43_radio_write(dev,
 858                                offset | B2056_TX_TXSPARE1, 0x30);
 859                        b43_radio_write(dev,
 860                                offset | B2056_TX_PA_SPARE2, 0xee);
 861                        b43_radio_write(dev,
 862                                offset | B2056_TX_PADA_CASCBIAS, 0x03);
 863                        b43_radio_write(dev,
 864                                offset | B2056_TX_INTPAA_IAUX_STAT, 0x50);
 865                        b43_radio_write(dev,
 866                                offset | B2056_TX_INTPAA_IMAIN_STAT, 0x50);
 867                        b43_radio_write(dev,
 868                                offset | B2056_TX_INTPAA_CASCBIAS, 0x30);
 869                }
 870        }
 871
 872        udelay(50);
 873        /* VCO calibration */
 874        b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00);
 875        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
 876        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18);
 877        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38);
 878        b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39);
 879        udelay(300);
 880}
 881
 882static u8 b43_radio_2056_rcal(struct b43_wldev *dev)
 883{
 884        struct b43_phy *phy = &dev->phy;
 885        u16 mast2, tmp;
 886
 887        if (phy->rev != 3)
 888                return 0;
 889
 890        mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2);
 891        b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7);
 892
 893        udelay(10);
 894        b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
 895        udelay(10);
 896        b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09);
 897
 898        if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100,
 899                                  1000000)) {
 900                b43err(dev->wl, "Radio recalibration timeout\n");
 901                return 0;
 902        }
 903
 904        b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01);
 905        tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT);
 906        b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00);
 907
 908        b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2);
 909
 910        return tmp & 0x1f;
 911}
 912
 913static void b43_radio_init2056_pre(struct b43_wldev *dev)
 914{
 915        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 916                     ~B43_NPHY_RFCTL_CMD_CHIP0PU);
 917        /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */
 918        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
 919                     B43_NPHY_RFCTL_CMD_OEPORFORCE);
 920        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 921                    ~B43_NPHY_RFCTL_CMD_OEPORFORCE);
 922        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
 923                    B43_NPHY_RFCTL_CMD_CHIP0PU);
 924}
 925
 926static void b43_radio_init2056_post(struct b43_wldev *dev)
 927{
 928        b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB);
 929        b43_radio_set(dev, B2056_SYN_COM_PU, 0x2);
 930        b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2);
 931        msleep(1);
 932        b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2);
 933        b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC);
 934        b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1);
 935        if (dev->phy.n->init_por)
 936                b43_radio_2056_rcal(dev);
 937}
 938
 939/*
 940 * Initialize a Broadcom 2056 N-radio
 941 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init
 942 */
 943static void b43_radio_init2056(struct b43_wldev *dev)
 944{
 945        b43_radio_init2056_pre(dev);
 946        b2056_upload_inittabs(dev, 0, 0);
 947        b43_radio_init2056_post(dev);
 948
 949        dev->phy.n->init_por = false;
 950}
 951
 952/**************************************************
 953 * Radio 0x2055
 954 **************************************************/
 955
 956static void b43_chantab_radio_upload(struct b43_wldev *dev,
 957                                const struct b43_nphy_channeltab_entry_rev2 *e)
 958{
 959        b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref);
 960        b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0);
 961        b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1);
 962        b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail);
 963        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 964
 965        b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1);
 966        b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2);
 967        b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1);
 968        b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1);
 969        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 970
 971        b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2);
 972        b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf);
 973        b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1);
 974        b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2);
 975        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 976
 977        b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune);
 978        b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune);
 979        b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1);
 980        b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn);
 981        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 982
 983        b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim);
 984        b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune);
 985        b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune);
 986        b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1);
 987        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
 988
 989        b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn);
 990        b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim);
 991}
 992
 993/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */
 994static void b43_radio_2055_setup(struct b43_wldev *dev,
 995                                const struct b43_nphy_channeltab_entry_rev2 *e)
 996{
 997        B43_WARN_ON(dev->phy.rev >= 3);
 998
 999        b43_chantab_radio_upload(dev, e);
1000        udelay(50);
1001        b43_radio_write(dev, B2055_VCO_CAL10, 0x05);
1002        b43_radio_write(dev, B2055_VCO_CAL10, 0x45);
1003        b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */
1004        b43_radio_write(dev, B2055_VCO_CAL10, 0x65);
1005        udelay(300);
1006}
1007
1008static void b43_radio_init2055_pre(struct b43_wldev *dev)
1009{
1010        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1011                     ~B43_NPHY_RFCTL_CMD_PORFORCE);
1012        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1013                    B43_NPHY_RFCTL_CMD_CHIP0PU |
1014                    B43_NPHY_RFCTL_CMD_OEPORFORCE);
1015        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1016                    B43_NPHY_RFCTL_CMD_PORFORCE);
1017}
1018
1019static void b43_radio_init2055_post(struct b43_wldev *dev)
1020{
1021        struct b43_phy_n *nphy = dev->phy.n;
1022        struct ssb_sprom *sprom = dev->dev->bus_sprom;
1023        bool workaround = false;
1024
1025        if (sprom->revision < 4)
1026                workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM
1027                              && dev->dev->board_type == SSB_BOARD_CB2_4321
1028                              && dev->dev->board_rev >= 0x41);
1029        else
1030                workaround =
1031                        !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS);
1032
1033        b43_radio_mask(dev, B2055_MASTER1, 0xFFF3);
1034        if (workaround) {
1035                b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F);
1036                b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F);
1037        }
1038        b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C);
1039        b43_radio_write(dev, B2055_CAL_MISC, 0x3C);
1040        b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE);
1041        b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80);
1042        b43_radio_set(dev, B2055_CAL_MISC, 0x1);
1043        msleep(1);
1044        b43_radio_set(dev, B2055_CAL_MISC, 0x40);
1045        if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000))
1046                b43err(dev->wl, "radio post init timeout\n");
1047        b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F);
1048        b43_switch_channel(dev, dev->phy.channel);
1049        b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9);
1050        b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9);
1051        b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83);
1052        b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83);
1053        b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6);
1054        b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6);
1055        if (!nphy->gain_boost) {
1056                b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2);
1057                b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2);
1058        } else {
1059                b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD);
1060                b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD);
1061        }
1062        udelay(2);
1063}
1064
1065/*
1066 * Initialize a Broadcom 2055 N-radio
1067 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init
1068 */
1069static void b43_radio_init2055(struct b43_wldev *dev)
1070{
1071        b43_radio_init2055_pre(dev);
1072        if (b43_status(dev) < B43_STAT_INITIALIZED) {
1073                /* Follow wl, not specs. Do not force uploading all regs */
1074                b2055_upload_inittab(dev, 0, 0);
1075        } else {
1076                bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ;
1077                b2055_upload_inittab(dev, ghz5, 0);
1078        }
1079        b43_radio_init2055_post(dev);
1080}
1081
1082/**************************************************
1083 * Samples
1084 **************************************************/
1085
1086/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */
1087static int b43_nphy_load_samples(struct b43_wldev *dev,
1088                                        struct b43_c32 *samples, u16 len) {
1089        struct b43_phy_n *nphy = dev->phy.n;
1090        u16 i;
1091        u32 *data;
1092
1093        data = kzalloc(len * sizeof(u32), GFP_KERNEL);
1094        if (!data) {
1095                b43err(dev->wl, "allocation for samples loading failed\n");
1096                return -ENOMEM;
1097        }
1098        if (nphy->hang_avoid)
1099                b43_nphy_stay_in_carrier_search(dev, 1);
1100
1101        for (i = 0; i < len; i++) {
1102                data[i] = (samples[i].i & 0x3FF << 10);
1103                data[i] |= samples[i].q & 0x3FF;
1104        }
1105        b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data);
1106
1107        kfree(data);
1108        if (nphy->hang_avoid)
1109                b43_nphy_stay_in_carrier_search(dev, 0);
1110        return 0;
1111}
1112
1113/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */
1114static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max,
1115                                        bool test)
1116{
1117        int i;
1118        u16 bw, len, rot, angle;
1119        struct b43_c32 *samples;
1120
1121
1122        bw = (dev->phy.is_40mhz) ? 40 : 20;
1123        len = bw << 3;
1124
1125        if (test) {
1126                if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX)
1127                        bw = 82;
1128                else
1129                        bw = 80;
1130
1131                if (dev->phy.is_40mhz)
1132                        bw <<= 1;
1133
1134                len = bw << 1;
1135        }
1136
1137        samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL);
1138        if (!samples) {
1139                b43err(dev->wl, "allocation for samples generation failed\n");
1140                return 0;
1141        }
1142        rot = (((freq * 36) / bw) << 16) / 100;
1143        angle = 0;
1144
1145        for (i = 0; i < len; i++) {
1146                samples[i] = b43_cordic(angle);
1147                angle += rot;
1148                samples[i].q = CORDIC_CONVERT(samples[i].q * max);
1149                samples[i].i = CORDIC_CONVERT(samples[i].i * max);
1150        }
1151
1152        i = b43_nphy_load_samples(dev, samples, len);
1153        kfree(samples);
1154        return (i < 0) ? 0 : len;
1155}
1156
1157/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */
1158static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
1159                                        u16 wait, bool iqmode, bool dac_test)
1160{
1161        struct b43_phy_n *nphy = dev->phy.n;
1162        int i;
1163        u16 seq_mode;
1164        u32 tmp;
1165
1166        if (nphy->hang_avoid)
1167                b43_nphy_stay_in_carrier_search(dev, true);
1168
1169        if ((nphy->bb_mult_save & 0x80000000) == 0) {
1170                tmp = b43_ntab_read(dev, B43_NTAB16(15, 87));
1171                nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000;
1172        }
1173
1174        if (!dev->phy.is_40mhz)
1175                tmp = 0x6464;
1176        else
1177                tmp = 0x4747;
1178        b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
1179
1180        if (nphy->hang_avoid)
1181                b43_nphy_stay_in_carrier_search(dev, false);
1182
1183        b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1));
1184
1185        if (loops != 0xFFFF)
1186                b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1));
1187        else
1188                b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops);
1189
1190        b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait);
1191
1192        seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE);
1193
1194        b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER);
1195        if (iqmode) {
1196                b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
1197                b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000);
1198        } else {
1199                if (dac_test)
1200                        b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5);
1201                else
1202                        b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1);
1203        }
1204        for (i = 0; i < 100; i++) {
1205                if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) {
1206                        i = 0;
1207                        break;
1208                }
1209                udelay(10);
1210        }
1211        if (i)
1212                b43err(dev->wl, "run samples timeout\n");
1213
1214        b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode);
1215}
1216
1217/**************************************************
1218 * RSSI
1219 **************************************************/
1220
1221/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */
1222static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale,
1223                                        s8 offset, u8 core,
1224                                        enum n_rail_type rail,
1225                                        enum n_rssi_type rssi_type)
1226{
1227        u16 tmp;
1228        bool core1or5 = (core == 1) || (core == 5);
1229        bool core2or5 = (core == 2) || (core == 5);
1230
1231        offset = clamp_val(offset, -32, 31);
1232        tmp = ((scale & 0x3F) << 8) | (offset & 0x3F);
1233
1234        switch (rssi_type) {
1235        case N_RSSI_NB:
1236                if (core1or5 && rail == N_RAIL_I)
1237                        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp);
1238                if (core1or5 && rail == N_RAIL_Q)
1239                        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp);
1240                if (core2or5 && rail == N_RAIL_I)
1241                        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp);
1242                if (core2or5 && rail == N_RAIL_Q)
1243                        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp);
1244                break;
1245        case N_RSSI_W1:
1246                if (core1or5 && rail == N_RAIL_I)
1247                        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp);
1248                if (core1or5 && rail == N_RAIL_Q)
1249                        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp);
1250                if (core2or5 && rail == N_RAIL_I)
1251                        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp);
1252                if (core2or5 && rail == N_RAIL_Q)
1253                        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp);
1254                break;
1255        case N_RSSI_W2:
1256                if (core1or5 && rail == N_RAIL_I)
1257                        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp);
1258                if (core1or5 && rail == N_RAIL_Q)
1259                        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp);
1260                if (core2or5 && rail == N_RAIL_I)
1261                        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp);
1262                if (core2or5 && rail == N_RAIL_Q)
1263                        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp);
1264                break;
1265        case N_RSSI_TBD:
1266                if (core1or5 && rail == N_RAIL_I)
1267                        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp);
1268                if (core1or5 && rail == N_RAIL_Q)
1269                        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp);
1270                if (core2or5 && rail == N_RAIL_I)
1271                        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp);
1272                if (core2or5 && rail == N_RAIL_Q)
1273                        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp);
1274                break;
1275        case N_RSSI_IQ:
1276                if (core1or5 && rail == N_RAIL_I)
1277                        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp);
1278                if (core1or5 && rail == N_RAIL_Q)
1279                        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp);
1280                if (core2or5 && rail == N_RAIL_I)
1281                        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp);
1282                if (core2or5 && rail == N_RAIL_Q)
1283                        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp);
1284                break;
1285        case N_RSSI_TSSI_2G:
1286                if (core1or5)
1287                        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp);
1288                if (core2or5)
1289                        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp);
1290                break;
1291        case N_RSSI_TSSI_5G:
1292                if (core1or5)
1293                        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp);
1294                if (core2or5)
1295                        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp);
1296                break;
1297        }
1298}
1299
1300static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code,
1301                                      enum n_rssi_type rssi_type)
1302{
1303        u8 i;
1304        u16 reg, val;
1305
1306        if (code == 0) {
1307                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF);
1308                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF);
1309                b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF);
1310                b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF);
1311                b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF);
1312                b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF);
1313                b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3);
1314                b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3);
1315        } else {
1316                for (i = 0; i < 2; i++) {
1317                        if ((code == 1 && i == 1) || (code == 2 && !i))
1318                                continue;
1319
1320                        reg = (i == 0) ?
1321                                B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER;
1322                        b43_phy_maskset(dev, reg, 0xFDFF, 0x0200);
1323
1324                        if (rssi_type == N_RSSI_W1 ||
1325                            rssi_type == N_RSSI_W2 ||
1326                            rssi_type == N_RSSI_NB) {
1327                                reg = (i == 0) ?
1328                                        B43_NPHY_AFECTL_C1 :
1329                                        B43_NPHY_AFECTL_C2;
1330                                b43_phy_maskset(dev, reg, 0xFCFF, 0);
1331
1332                                reg = (i == 0) ?
1333                                        B43_NPHY_RFCTL_LUT_TRSW_UP1 :
1334                                        B43_NPHY_RFCTL_LUT_TRSW_UP2;
1335                                b43_phy_maskset(dev, reg, 0xFFC3, 0);
1336
1337                                if (rssi_type == N_RSSI_W1)
1338                                        val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8;
1339                                else if (rssi_type == N_RSSI_W2)
1340                                        val = 16;
1341                                else
1342                                        val = 32;
1343                                b43_phy_set(dev, reg, val);
1344
1345                                reg = (i == 0) ?
1346                                        B43_NPHY_TXF_40CO_B1S0 :
1347                                        B43_NPHY_TXF_40CO_B32S1;
1348                                b43_phy_set(dev, reg, 0x0020);
1349                        } else {
1350                                if (rssi_type == N_RSSI_TBD)
1351                                        val = 0x0100;
1352                                else if (rssi_type == N_RSSI_IQ)
1353                                        val = 0x0200;
1354                                else
1355                                        val = 0x0300;
1356
1357                                reg = (i == 0) ?
1358                                        B43_NPHY_AFECTL_C1 :
1359                                        B43_NPHY_AFECTL_C2;
1360
1361                                b43_phy_maskset(dev, reg, 0xFCFF, val);
1362                                b43_phy_maskset(dev, reg, 0xF3FF, val << 2);
1363
1364                                if (rssi_type != N_RSSI_IQ &&
1365                                    rssi_type != N_RSSI_TBD) {
1366                                        enum ieee80211_band band =
1367                                                b43_current_band(dev->wl);
1368
1369                                        if (b43_nphy_ipa(dev))
1370                                                val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
1371                                        else
1372                                                val = 0x11;
1373                                        reg = (i == 0) ? 0x2000 : 0x3000;
1374                                        reg |= B2055_PADDRV;
1375                                        b43_radio_write(dev, reg, val);
1376
1377                                        reg = (i == 0) ?
1378                                                B43_NPHY_AFECTL_OVER1 :
1379                                                B43_NPHY_AFECTL_OVER;
1380                                        b43_phy_set(dev, reg, 0x0200);
1381                                }
1382                        }
1383                }
1384        }
1385}
1386
1387static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code,
1388                                      enum n_rssi_type rssi_type)
1389{
1390        u16 val;
1391        bool rssi_w1_w2_nb = false;
1392
1393        switch (rssi_type) {
1394        case N_RSSI_W1:
1395        case N_RSSI_W2:
1396        case N_RSSI_NB:
1397                val = 0;
1398                rssi_w1_w2_nb = true;
1399                break;
1400        case N_RSSI_TBD:
1401                val = 1;
1402                break;
1403        case N_RSSI_IQ:
1404                val = 2;
1405                break;
1406        default:
1407                val = 3;
1408        }
1409
1410        val = (val << 12) | (val << 14);
1411        b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val);
1412        b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val);
1413
1414        if (rssi_w1_w2_nb) {
1415                b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF,
1416                                (rssi_type + 1) << 4);
1417                b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF,
1418                                (rssi_type + 1) << 4);
1419        }
1420
1421        if (code == 0) {
1422                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000);
1423                if (rssi_w1_w2_nb) {
1424                        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1425                                ~(B43_NPHY_RFCTL_CMD_RXEN |
1426                                  B43_NPHY_RFCTL_CMD_CORESEL));
1427                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER,
1428                                ~(0x1 << 12 |
1429                                  0x1 << 5 |
1430                                  0x1 << 1 |
1431                                  0x1));
1432                        b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
1433                                ~B43_NPHY_RFCTL_CMD_START);
1434                        udelay(20);
1435                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1436                }
1437        } else {
1438                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000);
1439                if (rssi_w1_w2_nb) {
1440                        b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD,
1441                                ~(B43_NPHY_RFCTL_CMD_RXEN |
1442                                  B43_NPHY_RFCTL_CMD_CORESEL),
1443                                (B43_NPHY_RFCTL_CMD_RXEN |
1444                                 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT));
1445                        b43_phy_set(dev, B43_NPHY_RFCTL_OVER,
1446                                (0x1 << 12 |
1447                                  0x1 << 5 |
1448                                  0x1 << 1 |
1449                                  0x1));
1450                        b43_phy_set(dev, B43_NPHY_RFCTL_CMD,
1451                                B43_NPHY_RFCTL_CMD_START);
1452                        udelay(20);
1453                        b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1);
1454                }
1455        }
1456}
1457
1458/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */
1459static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code,
1460                                 enum n_rssi_type type)
1461{
1462        if (dev->phy.rev >= 3)
1463                b43_nphy_rev3_rssi_select(dev, code, type);
1464        else
1465                b43_nphy_rev2_rssi_select(dev, code, type);
1466}
1467
1468/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */
1469static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev,
1470                                       enum n_rssi_type rssi_type, u8 *buf)
1471{
1472        int i;
1473        for (i = 0; i < 2; i++) {
1474                if (rssi_type == N_RSSI_NB) {
1475                        if (i == 0) {
1476                                b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM,
1477                                                  0xFC, buf[0]);
1478                                b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1479                                                  0xFC, buf[1]);
1480                        } else {
1481                                b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM,
1482                                                  0xFC, buf[2 * i]);
1483                                b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1484                                                  0xFC, buf[2 * i + 1]);
1485                        }
1486                } else {
1487                        if (i == 0)
1488                                b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5,
1489                                                  0xF3, buf[0] << 2);
1490                        else
1491                                b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5,
1492                                                  0xF3, buf[2 * i + 1] << 2);
1493                }
1494        }
1495}
1496
1497/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */
1498static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type,
1499                              s32 *buf, u8 nsamp)
1500{
1501        int i;
1502        int out;
1503        u16 save_regs_phy[9];
1504        u16 s[2];
1505
1506        if (dev->phy.rev >= 3) {
1507                save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1508                save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1509                save_regs_phy[2] = b43_phy_read(dev,
1510                                                B43_NPHY_RFCTL_LUT_TRSW_UP1);
1511                save_regs_phy[3] = b43_phy_read(dev,
1512                                                B43_NPHY_RFCTL_LUT_TRSW_UP2);
1513                save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
1514                save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1515                save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0);
1516                save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1);
1517                save_regs_phy[8] = 0;
1518        } else {
1519                save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
1520                save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
1521                save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
1522                save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD);
1523                save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
1524                save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
1525                save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
1526                save_regs_phy[7] = 0;
1527                save_regs_phy[8] = 0;
1528        }
1529
1530        b43_nphy_rssi_select(dev, 5, rssi_type);
1531
1532        if (dev->phy.rev < 2) {
1533                save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL);
1534                b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5);
1535        }
1536
1537        for (i = 0; i < 4; i++)
1538                buf[i] = 0;
1539
1540        for (i = 0; i < nsamp; i++) {
1541                if (dev->phy.rev < 2) {
1542                        s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT);
1543                        s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT);
1544                } else {
1545                        s[0] = b43_phy_read(dev, B43_NPHY_RSSI1);
1546                        s[1] = b43_phy_read(dev, B43_NPHY_RSSI2);
1547                }
1548
1549                buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2;
1550                buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2;
1551                buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2;
1552                buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2;
1553        }
1554        out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 |
1555                (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF);
1556
1557        if (dev->phy.rev < 2)
1558                b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]);
1559
1560        if (dev->phy.rev >= 3) {
1561                b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
1562                b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1563                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1,
1564                                save_regs_phy[2]);
1565                b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1566                                save_regs_phy[3]);
1567                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]);
1568                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]);
1569                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]);
1570                b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]);
1571        } else {
1572                b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]);
1573                b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]);
1574                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]);
1575                b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]);
1576                b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]);
1577                b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]);
1578                b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]);
1579        }
1580
1581        return out;
1582}
1583
1584/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */
1585static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev)
1586{
1587        struct b43_phy_n *nphy = dev->phy.n;
1588
1589        u16 saved_regs_phy_rfctl[2];
1590        u16 saved_regs_phy[13];
1591        u16 regs_to_store[] = {
1592                B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER,
1593                B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2,
1594                B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER,
1595                B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1,
1596                B43_NPHY_RFCTL_CMD,
1597                B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2,
1598                B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2
1599        };
1600
1601        u16 class;
1602
1603        u16 clip_state[2];
1604        u16 clip_off[2] = { 0xFFFF, 0xFFFF };
1605
1606        u8 vcm_final = 0;
1607        s32 offset[4];
1608        s32 results[8][4] = { };
1609        s32 results_min[4] = { };
1610        s32 poll_results[4] = { };
1611
1612        u16 *rssical_radio_regs = NULL;
1613        u16 *rssical_phy_regs = NULL;
1614
1615        u16 r; /* routing */
1616        u8 rx_core_state;
1617        int core, i, j, vcm;
1618
1619        class = b43_nphy_classifier(dev, 0, 0);
1620        b43_nphy_classifier(dev, 7, 4);
1621        b43_nphy_read_clip_detection(dev, clip_state);
1622        b43_nphy_write_clip_detection(dev, clip_off);
1623
1624        saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
1625        saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1626        for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
1627                saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]);
1628
1629        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7);
1630        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7);
1631        b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false);
1632        b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false);
1633        b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false);
1634        b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false);
1635
1636        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
1637                b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false);
1638                b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false);
1639        } else {
1640                b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false);
1641                b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false);
1642        }
1643
1644        rx_core_state = b43_nphy_get_rx_core_state(dev);
1645        for (core = 0; core < 2; core++) {
1646                if (!(rx_core_state & (1 << core)))
1647                        continue;
1648                r = core ? B2056_RX1 : B2056_RX0;
1649                b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I,
1650                                           N_RSSI_NB);
1651                b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q,
1652                                           N_RSSI_NB);
1653
1654                /* Grab RSSI results for every possible VCM */
1655                for (vcm = 0; vcm < 8; vcm++) {
1656                        b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
1657                                        vcm << 2);
1658                        b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8);
1659                }
1660
1661                /* Find out which VCM got the best results */
1662                for (i = 0; i < 4; i += 2) {
1663                        s32 currd;
1664                        s32 mind = 0x100000;
1665                        s32 minpoll = 249;
1666                        u8 minvcm = 0;
1667                        if (2 * core != i)
1668                                continue;
1669                        for (vcm = 0; vcm < 8; vcm++) {
1670                                currd = results[vcm][i] * results[vcm][i] +
1671                                        results[vcm][i + 1] * results[vcm][i];
1672                                if (currd < mind) {
1673                                        mind = currd;
1674                                        minvcm = vcm;
1675                                }
1676                                if (results[vcm][i] < minpoll)
1677                                        minpoll = results[vcm][i];
1678                        }
1679                        vcm_final = minvcm;
1680                        results_min[i] = minpoll;
1681                }
1682
1683                /* Select the best VCM */
1684                b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3,
1685                                  vcm_final << 2);
1686
1687                for (i = 0; i < 4; i++) {
1688                        if (core != i / 2)
1689                                continue;
1690                        offset[i] = -results[vcm_final][i];
1691                        if (offset[i] < 0)
1692                                offset[i] = -((abs(offset[i]) + 4) / 8);
1693                        else
1694                                offset[i] = (offset[i] + 4) / 8;
1695                        if (results_min[i] == 248)
1696                                offset[i] = -32;
1697                        b43_nphy_scale_offset_rssi(dev, 0, offset[i],
1698                                                   (i / 2 == 0) ? 1 : 2,
1699                                                   (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q,
1700                                                   N_RSSI_NB);
1701                }
1702        }
1703
1704        for (core = 0; core < 2; core++) {
1705                if (!(rx_core_state & (1 << core)))
1706                        continue;
1707                for (i = 0; i < 2; i++) {
1708                        b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
1709                                                   N_RAIL_I, i);
1710                        b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1,
1711                                                   N_RAIL_Q, i);
1712                        b43_nphy_poll_rssi(dev, i, poll_results, 8);
1713                        for (j = 0; j < 4; j++) {
1714                                if (j / 2 == core) {
1715                                        offset[j] = 232 - poll_results[j];
1716                                        if (offset[j] < 0)
1717                                                offset[j] = -(abs(offset[j] + 4) / 8);
1718                                        else
1719                                                offset[j] = (offset[j] + 4) / 8;
1720                                        b43_nphy_scale_offset_rssi(dev, 0,
1721                                                offset[2 * core], core + 1, j % 2, i);
1722                                }
1723                        }
1724                }
1725        }
1726
1727        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]);
1728        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]);
1729
1730        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
1731
1732        b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1);
1733        b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START);
1734        b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
1735
1736        b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1);
1737        b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX);
1738        b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1);
1739
1740        for (i = 0; i < ARRAY_SIZE(regs_to_store); i++)
1741                b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]);
1742
1743        /* Store for future configuration */
1744        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
1745                rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
1746                rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
1747        } else {
1748                rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
1749                rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
1750        }
1751        if (dev->phy.rev >= 7) {
1752        } else {
1753                rssical_radio_regs[0] = b43_radio_read(dev, B2056_RX0 |
1754                                                       B2056_RX_RSSI_MISC);
1755                rssical_radio_regs[1] = b43_radio_read(dev, B2056_RX1 |
1756                                                       B2056_RX_RSSI_MISC);
1757        }
1758        rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z);
1759        rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z);
1760        rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z);
1761        rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z);
1762        rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X);
1763        rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X);
1764        rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X);
1765        rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X);
1766        rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y);
1767        rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y);
1768        rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y);
1769        rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y);
1770
1771        /* Remember for which channel we store configuration */
1772        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
1773                nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq;
1774        else
1775                nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq;
1776
1777        /* End of calibration, restore configuration */
1778        b43_nphy_classifier(dev, 7, class);
1779        b43_nphy_write_clip_detection(dev, clip_state);
1780}
1781
1782/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */
1783static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type)
1784{
1785        int i, j, vcm;
1786        u8 state[4];
1787        u8 code, val;
1788        u16 class, override;
1789        u8 regs_save_radio[2];
1790        u16 regs_save_phy[2];
1791
1792        s32 offset[4];
1793        u8 core;
1794        u8 rail;
1795
1796        u16 clip_state[2];
1797        u16 clip_off[2] = { 0xFFFF, 0xFFFF };
1798        s32 results_min[4] = { };
1799        u8 vcm_final[4] = { };
1800        s32 results[4][4] = { };
1801        s32 miniq[4][2] = { };
1802
1803        if (type == N_RSSI_NB) {
1804                code = 0;
1805                val = 6;
1806        } else if (type == N_RSSI_W1 || type == N_RSSI_W2) {
1807                code = 25;
1808                val = 4;
1809        } else {
1810                B43_WARN_ON(1);
1811                return;
1812        }
1813
1814        class = b43_nphy_classifier(dev, 0, 0);
1815        b43_nphy_classifier(dev, 7, 4);
1816        b43_nphy_read_clip_detection(dev, clip_state);
1817        b43_nphy_write_clip_detection(dev, clip_off);
1818
1819        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
1820                override = 0x140;
1821        else
1822                override = 0x110;
1823
1824        regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
1825        regs_save_radio[0] = b43_radio_read(dev, B2055_C1_PD_RXTX);
1826        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override);
1827        b43_radio_write(dev, B2055_C1_PD_RXTX, val);
1828
1829        regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
1830        regs_save_radio[1] = b43_radio_read(dev, B2055_C2_PD_RXTX);
1831        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override);
1832        b43_radio_write(dev, B2055_C2_PD_RXTX, val);
1833
1834        state[0] = b43_radio_read(dev, B2055_C1_PD_RSSIMISC) & 0x07;
1835        state[1] = b43_radio_read(dev, B2055_C2_PD_RSSIMISC) & 0x07;
1836        b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8);
1837        b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8);
1838        state[2] = b43_radio_read(dev, B2055_C1_SP_RSSI) & 0x07;
1839        state[3] = b43_radio_read(dev, B2055_C2_SP_RSSI) & 0x07;
1840
1841        b43_nphy_rssi_select(dev, 5, type);
1842        b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type);
1843        b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type);
1844
1845        for (vcm = 0; vcm < 4; vcm++) {
1846                u8 tmp[4];
1847                for (j = 0; j < 4; j++)
1848                        tmp[j] = vcm;
1849                if (type != N_RSSI_W2)
1850                        b43_nphy_set_rssi_2055_vcm(dev, type, tmp);
1851                b43_nphy_poll_rssi(dev, type, results[vcm], 8);
1852                if (type == N_RSSI_W1 || type == N_RSSI_W2)
1853                        for (j = 0; j < 2; j++)
1854                                miniq[vcm][j] = min(results[vcm][2 * j],
1855                                                    results[vcm][2 * j + 1]);
1856        }
1857
1858        for (i = 0; i < 4; i++) {
1859                s32 mind = 0x100000;
1860                u8 minvcm = 0;
1861                s32 minpoll = 249;
1862                s32 currd;
1863                for (vcm = 0; vcm < 4; vcm++) {
1864                        if (type == N_RSSI_NB)
1865                                currd = abs(results[vcm][i] - code * 8);
1866                        else
1867                                currd = abs(miniq[vcm][i / 2] - code * 8);
1868
1869                        if (currd < mind) {
1870                                mind = currd;
1871                                minvcm = vcm;
1872                        }
1873
1874                        if (results[vcm][i] < minpoll)
1875                                minpoll = results[vcm][i];
1876                }
1877                results_min[i] = minpoll;
1878                vcm_final[i] = minvcm;
1879        }
1880
1881        if (type != N_RSSI_W2)
1882                b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final);
1883
1884        for (i = 0; i < 4; i++) {
1885                offset[i] = (code * 8) - results[vcm_final[i]][i];
1886
1887                if (offset[i] < 0)
1888                        offset[i] = -((abs(offset[i]) + 4) / 8);
1889                else
1890                        offset[i] = (offset[i] + 4) / 8;
1891
1892                if (results_min[i] == 248)
1893                        offset[i] = code - 32;
1894
1895                core = (i / 2) ? 2 : 1;
1896                rail = (i % 2) ? N_RAIL_Q : N_RAIL_I;
1897
1898                b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail,
1899                                                type);
1900        }
1901
1902        b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]);
1903        b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]);
1904
1905        switch (state[2]) {
1906        case 1:
1907                b43_nphy_rssi_select(dev, 1, N_RSSI_NB);
1908                break;
1909        case 4:
1910                b43_nphy_rssi_select(dev, 1, N_RSSI_W1);
1911                break;
1912        case 2:
1913                b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
1914                break;
1915        default:
1916                b43_nphy_rssi_select(dev, 1, N_RSSI_W2);
1917                break;
1918        }
1919
1920        switch (state[3]) {
1921        case 1:
1922                b43_nphy_rssi_select(dev, 2, N_RSSI_NB);
1923                break;
1924        case 4:
1925                b43_nphy_rssi_select(dev, 2, N_RSSI_W1);
1926                break;
1927        default:
1928                b43_nphy_rssi_select(dev, 2, N_RSSI_W2);
1929                break;
1930        }
1931
1932        b43_nphy_rssi_select(dev, 0, type);
1933
1934        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]);
1935        b43_radio_write(dev, B2055_C1_PD_RXTX, regs_save_radio[0]);
1936        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]);
1937        b43_radio_write(dev, B2055_C2_PD_RXTX, regs_save_radio[1]);
1938
1939        b43_nphy_classifier(dev, 7, class);
1940        b43_nphy_write_clip_detection(dev, clip_state);
1941        /* Specs don't say about reset here, but it makes wl and b43 dumps
1942           identical, it really seems wl performs this */
1943        b43_nphy_reset_cca(dev);
1944}
1945
1946/*
1947 * RSSI Calibration
1948 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal
1949 */
1950static void b43_nphy_rssi_cal(struct b43_wldev *dev)
1951{
1952        if (dev->phy.rev >= 3) {
1953                b43_nphy_rev3_rssi_cal(dev);
1954        } else {
1955                b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB);
1956                b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1);
1957                b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2);
1958        }
1959}
1960
1961/**************************************************
1962 * Workarounds
1963 **************************************************/
1964
1965static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev)
1966{
1967        struct ssb_sprom *sprom = dev->dev->bus_sprom;
1968
1969        bool ghz5;
1970        bool ext_lna;
1971        u16 rssi_gain;
1972        struct nphy_gain_ctl_workaround_entry *e;
1973        u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 };
1974        u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 };
1975
1976        /* Prepare values */
1977        ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL)
1978                & B43_NPHY_BANDCTL_5GHZ;
1979        ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ :
1980                sprom->boardflags_lo & B43_BFL_EXTLNA;
1981        e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna);
1982        if (ghz5 && dev->phy.rev >= 5)
1983                rssi_gain = 0x90;
1984        else
1985                rssi_gain = 0x50;
1986
1987        b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040);
1988
1989        /* Set Clip 2 detect */
1990        b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
1991        b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
1992
1993        b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1994                        0x17);
1995        b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC,
1996                        0x17);
1997        b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0);
1998        b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0);
1999        b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00);
2000        b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00);
2001        b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN,
2002                        rssi_gain);
2003        b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN,
2004                        rssi_gain);
2005        b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC,
2006                        0x17);
2007        b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC,
2008                        0x17);
2009        b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF);
2010        b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF);
2011
2012        b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain);
2013        b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain);
2014        b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain);
2015        b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain);
2016        b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db);
2017        b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db);
2018        b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits);
2019        b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits);
2020        b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain);
2021        b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain);
2022        b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits);
2023        b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits);
2024
2025        b43_phy_write(dev, B43_NPHY_REV3_C1_INITGAIN_A, e->init_gain);
2026        b43_phy_write(dev, B43_NPHY_REV3_C2_INITGAIN_A, e->init_gain);
2027
2028        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2,
2029                                e->rfseq_init);
2030
2031        b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_HIGAIN_A, e->cliphi_gain);
2032        b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_HIGAIN_A, e->cliphi_gain);
2033        b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_MEDGAIN_A, e->clipmd_gain);
2034        b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_MEDGAIN_A, e->clipmd_gain);
2035        b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_A, e->cliplo_gain);
2036        b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_A, e->cliplo_gain);
2037
2038        b43_phy_maskset(dev, B43_NPHY_CRSMINPOWER0, 0xFF00, e->crsmin);
2039        b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERL0, 0xFF00, e->crsminl);
2040        b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERU0, 0xFF00, e->crsminu);
2041        b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip);
2042        b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip);
2043        b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
2044                        ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip);
2045        b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
2046                        ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip);
2047        b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2048}
2049
2050static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev)
2051{
2052        struct b43_phy_n *nphy = dev->phy.n;
2053
2054        u8 i, j;
2055        u8 code;
2056        u16 tmp;
2057        u8 rfseq_events[3] = { 6, 8, 7 };
2058        u8 rfseq_delays[3] = { 10, 30, 1 };
2059
2060        /* Set Clip 2 detect */
2061        b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT);
2062        b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT);
2063
2064        /* Set narrowband clip threshold */
2065        b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84);
2066        b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84);
2067
2068        if (!dev->phy.is_40mhz) {
2069                /* Set dwell lengths */
2070                b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B);
2071                b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B);
2072                b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009);
2073                b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009);
2074        }
2075
2076        /* Set wideband clip 2 threshold */
2077        b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES,
2078                        ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21);
2079        b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES,
2080                        ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21);
2081
2082        if (!dev->phy.is_40mhz) {
2083                b43_phy_maskset(dev, B43_NPHY_C1_CGAINI,
2084                        ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1);
2085                b43_phy_maskset(dev, B43_NPHY_C2_CGAINI,
2086                        ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1);
2087                b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI,
2088                        ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1);
2089                b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI,
2090                        ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1);
2091        }
2092
2093        b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C);
2094
2095        if (nphy->gain_boost) {
2096                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ &&
2097                        dev->phy.is_40mhz)
2098                        code = 4;
2099                else
2100                        code = 5;
2101        } else {
2102                code = dev->phy.is_40mhz ? 6 : 7;
2103        }
2104
2105        /* Set HPVGA2 index */
2106        b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2,
2107                        code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT);
2108        b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2,
2109                        code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT);
2110
2111        b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2112        /* specs say about 2 loops, but wl does 4 */
2113        for (i = 0; i < 4; i++)
2114                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C));
2115
2116        b43_nphy_adjust_lna_gain_table(dev);
2117
2118        if (nphy->elna_gain_config) {
2119                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808);
2120                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
2121                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2122                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2123                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2124
2125                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08);
2126                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0);
2127                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2128                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2129                b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1);
2130
2131                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06);
2132                /* specs say about 2 loops, but wl does 4 */
2133                for (i = 0; i < 4; i++)
2134                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
2135                                                (code << 8 | 0x74));
2136        }
2137
2138        if (dev->phy.rev == 2) {
2139                for (i = 0; i < 4; i++) {
2140                        b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
2141                                        (0x0400 * i) + 0x0020);
2142                        for (j = 0; j < 21; j++) {
2143                                tmp = j * (i < 2 ? 3 : 1);
2144                                b43_phy_write(dev,
2145                                        B43_NPHY_TABLE_DATALO, tmp);
2146                        }
2147                }
2148        }
2149
2150        b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3);
2151        b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1,
2152                ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF,
2153                0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT);
2154
2155        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
2156                b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4);
2157}
2158
2159/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */
2160static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev)
2161{
2162        if (dev->phy.rev >= 7)
2163                ; /* TODO */
2164        else if (dev->phy.rev >= 3)
2165                b43_nphy_gain_ctl_workarounds_rev3plus(dev);
2166        else
2167                b43_nphy_gain_ctl_workarounds_rev1_2(dev);
2168}
2169
2170/* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */
2171static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset)
2172{
2173        if (!offset)
2174                offset = (dev->phy.is_40mhz) ? 0x159 : 0x154;
2175        return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7;
2176}
2177
2178static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev)
2179{
2180        struct ssb_sprom *sprom = dev->dev->bus_sprom;
2181        struct b43_phy *phy = &dev->phy;
2182
2183        u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
2184                                        0x1F };
2185        u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
2186
2187        u16 ntab7_15e_16e[] = { 0x10f, 0x10f };
2188        u8 ntab7_138_146[] = { 0x11, 0x11 };
2189        u8 ntab7_133[] = { 0x77, 0x11, 0x11 };
2190
2191        u16 lpf_20, lpf_40, lpf_11b;
2192        u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40;
2193        u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40;
2194        bool rccal_ovrd = false;
2195
2196        u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n;
2197        u16 bias, conv, filt;
2198
2199        u32 tmp32;
2200        u8 core;
2201
2202        if (phy->rev == 7) {
2203                b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10);
2204                b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020);
2205                b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700);
2206                b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E);
2207                b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300);
2208                b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037);
2209                b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00);
2210                b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C);
2211                b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00);
2212                b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E);
2213                b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00);
2214                b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040);
2215                b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000);
2216                b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040);
2217                b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000);
2218                b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040);
2219                b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000);
2220        }
2221        if (phy->rev <= 8) {
2222                b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1B0);
2223                b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1B0);
2224        }
2225        if (phy->rev >= 8)
2226                b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72);
2227
2228        b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2);
2229        b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2);
2230        tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
2231        tmp32 &= 0xffffff;
2232        b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2233        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e);
2234        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e);
2235
2236        if (b43_nphy_ipa(dev))
2237                b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
2238                                rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2239
2240        b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_0, 0x3FFF, 0x4000);
2241        b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_1, 0x3FFF, 0x4000);
2242
2243        lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154);
2244        lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159);
2245        lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152);
2246        if (b43_nphy_ipa(dev)) {
2247                if ((phy->radio_rev == 5 && phy->is_40mhz) ||
2248                    phy->radio_rev == 7 || phy->radio_rev == 8) {
2249                        bcap_val = b43_radio_read(dev, 0x16b);
2250                        scap_val = b43_radio_read(dev, 0x16a);
2251                        scap_val_11b = scap_val;
2252                        bcap_val_11b = bcap_val;
2253                        if (phy->radio_rev == 5 && phy->is_40mhz) {
2254                                scap_val_11n_20 = scap_val;
2255                                bcap_val_11n_20 = bcap_val;
2256                                scap_val_11n_40 = bcap_val_11n_40 = 0xc;
2257                                rccal_ovrd = true;
2258                        } else { /* Rev 7/8 */
2259                                lpf_20 = 4;
2260                                lpf_11b = 1;
2261                                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2262                                        scap_val_11n_20 = 0xc;
2263                                        bcap_val_11n_20 = 0xc;
2264                                        scap_val_11n_40 = 0xa;
2265                                        bcap_val_11n_40 = 0xa;
2266                                } else {
2267                                        scap_val_11n_20 = 0x14;
2268                                        bcap_val_11n_20 = 0x14;
2269                                        scap_val_11n_40 = 0xf;
2270                                        bcap_val_11n_40 = 0xf;
2271                                }
2272                                rccal_ovrd = true;
2273                        }
2274                }
2275        } else {
2276                if (phy->radio_rev == 5) {
2277                        lpf_20 = 1;
2278                        lpf_40 = 3;
2279                        bcap_val = b43_radio_read(dev, 0x16b);
2280                        scap_val = b43_radio_read(dev, 0x16a);
2281                        scap_val_11b = scap_val;
2282                        bcap_val_11b = bcap_val;
2283                        scap_val_11n_20 = 0x11;
2284                        scap_val_11n_40 = 0x11;
2285                        bcap_val_11n_20 = 0x13;
2286                        bcap_val_11n_40 = 0x13;
2287                        rccal_ovrd = true;
2288                }
2289        }
2290        if (rccal_ovrd) {
2291                rx2tx_lut_20_11b = (bcap_val_11b << 8) |
2292                                   (scap_val_11b << 3) |
2293                                   lpf_11b;
2294                rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) |
2295                                   (scap_val_11n_20 << 3) |
2296                                   lpf_20;
2297                rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) |
2298                                   (scap_val_11n_40 << 3) |
2299                                   lpf_40;
2300                for (core = 0; core < 2; core++) {
2301                        b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16),
2302                                       rx2tx_lut_20_11b);
2303                        b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16),
2304                                       rx2tx_lut_20_11n);
2305                        b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16),
2306                                       rx2tx_lut_20_11n);
2307                        b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16),
2308                                       rx2tx_lut_40_11n);
2309                        b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16),
2310                                       rx2tx_lut_40_11n);
2311                        b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16),
2312                                       rx2tx_lut_40_11n);
2313                        b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16),
2314                                       rx2tx_lut_40_11n);
2315                        b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16),
2316                                       rx2tx_lut_40_11n);
2317                }
2318                b43_nphy_rf_ctl_override_rev7(dev, 16, 1, 3, false, 2);
2319        }
2320        b43_phy_write(dev, 0x32F, 0x3);
2321        if (phy->radio_rev == 4 || phy->radio_rev == 6)
2322                b43_nphy_rf_ctl_override_rev7(dev, 4, 1, 3, false, 0);
2323
2324        if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) {
2325                if (sprom->revision &&
2326                    sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) {
2327                        b43_radio_write(dev, 0x5, 0x05);
2328                        b43_radio_write(dev, 0x6, 0x30);
2329                        b43_radio_write(dev, 0x7, 0x00);
2330                        b43_radio_set(dev, 0x4f, 0x1);
2331                        b43_radio_set(dev, 0xd4, 0x1);
2332                        bias = 0x1f;
2333                        conv = 0x6f;
2334                        filt = 0xaa;
2335                } else {
2336                        bias = 0x2b;
2337                        conv = 0x7f;
2338                        filt = 0xee;
2339                }
2340                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2341                        for (core = 0; core < 2; core++) {
2342                                if (core == 0) {
2343                                        b43_radio_write(dev, 0x5F, bias);
2344                                        b43_radio_write(dev, 0x64, conv);
2345                                        b43_radio_write(dev, 0x66, filt);
2346                                } else {
2347                                        b43_radio_write(dev, 0xE8, bias);
2348                                        b43_radio_write(dev, 0xE9, conv);
2349                                        b43_radio_write(dev, 0xEB, filt);
2350                                }
2351                        }
2352                }
2353        }
2354
2355        if (b43_nphy_ipa(dev)) {
2356                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
2357                        if (phy->radio_rev == 3 || phy->radio_rev == 4 ||
2358                            phy->radio_rev == 6) {
2359                                for (core = 0; core < 2; core++) {
2360                                        if (core == 0)
2361                                                b43_radio_write(dev, 0x51,
2362                                                                0x7f);
2363                                        else
2364                                                b43_radio_write(dev, 0xd6,
2365                                                                0x7f);
2366                                }
2367                        }
2368                        if (phy->radio_rev == 3) {
2369                                for (core = 0; core < 2; core++) {
2370                                        if (core == 0) {
2371                                                b43_radio_write(dev, 0x64,
2372                                                                0x13);
2373                                                b43_radio_write(dev, 0x5F,
2374                                                                0x1F);
2375                                                b43_radio_write(dev, 0x66,
2376                                                                0xEE);
2377                                                b43_radio_write(dev, 0x59,
2378                                                                0x8A);
2379                                                b43_radio_write(dev, 0x80,
2380                                                                0x3E);
2381                                        } else {
2382                                                b43_radio_write(dev, 0x69,
2383                                                                0x13);
2384                                                b43_radio_write(dev, 0xE8,
2385                                                                0x1F);
2386                                                b43_radio_write(dev, 0xEB,
2387                                                                0xEE);
2388                                                b43_radio_write(dev, 0xDE,
2389                                                                0x8A);
2390                                                b43_radio_write(dev, 0x105,
2391                                                                0x3E);
2392                                        }
2393                                }
2394                        } else if (phy->radio_rev == 7 || phy->radio_rev == 8) {
2395                                if (!phy->is_40mhz) {
2396                                        b43_radio_write(dev, 0x5F, 0x14);
2397                                        b43_radio_write(dev, 0xE8, 0x12);
2398                                } else {
2399                                        b43_radio_write(dev, 0x5F, 0x16);
2400                                        b43_radio_write(dev, 0xE8, 0x16);
2401                                }
2402                        }
2403                } else {
2404                        u16 freq = phy->channel_freq;
2405                        if ((freq >= 5180 && freq <= 5230) ||
2406                            (freq >= 5745 && freq <= 5805)) {
2407                                b43_radio_write(dev, 0x7D, 0xFF);
2408                                b43_radio_write(dev, 0xFE, 0xFF);
2409                        }
2410                }
2411        } else {
2412                if (phy->radio_rev != 5) {
2413                        for (core = 0; core < 2; core++) {
2414                                if (core == 0) {
2415                                        b43_radio_write(dev, 0x5c, 0x61);
2416                                        b43_radio_write(dev, 0x51, 0x70);
2417                                } else {
2418                                        b43_radio_write(dev, 0xe1, 0x61);
2419                                        b43_radio_write(dev, 0xd6, 0x70);
2420                                }
2421                        }
2422                }
2423        }
2424
2425        if (phy->radio_rev == 4) {
2426                b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
2427                b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
2428                for (core = 0; core < 2; core++) {
2429                        if (core == 0) {
2430                                b43_radio_write(dev, 0x1a1, 0x00);
2431                                b43_radio_write(dev, 0x1a2, 0x3f);
2432                                b43_radio_write(dev, 0x1a6, 0x3f);
2433                        } else {
2434                                b43_radio_write(dev, 0x1a7, 0x00);
2435                                b43_radio_write(dev, 0x1ab, 0x3f);
2436                                b43_radio_write(dev, 0x1ac, 0x3f);
2437                        }
2438                }
2439        } else {
2440                b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4);
2441                b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4);
2442                b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4);
2443                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4);
2444
2445                b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1);
2446                b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1);
2447                b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1);
2448                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1);
2449                b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20);
2450                b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20);
2451
2452                b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4);
2453                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4);
2454                b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4);
2455                b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4);
2456        }
2457
2458        b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2);
2459
2460        b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20);
2461        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146);
2462        b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77);
2463        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133);
2464        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146);
2465        b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77);
2466        b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77);
2467
2468        if (!phy->is_40mhz) {
2469                b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D);
2470                b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D);
2471        } else {
2472                b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D);
2473                b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D);
2474        }
2475
2476        b43_nphy_gain_ctl_workarounds(dev);
2477
2478        /* TODO
2479        b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4,
2480                            aux_adc_vmid_rev7_core0);
2481        b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4,
2482                            aux_adc_vmid_rev7_core1);
2483        b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4,
2484                            aux_adc_gain_rev7);
2485        b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4,
2486                            aux_adc_gain_rev7);
2487        */
2488}
2489
2490static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev)
2491{
2492        struct b43_phy_n *nphy = dev->phy.n;
2493        struct ssb_sprom *sprom = dev->dev->bus_sprom;
2494
2495        /* TX to RX */
2496        u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F };
2497        u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 };
2498        /* RX to TX */
2499        u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3,
2500                                        0x1F };
2501        u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 };
2502        u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F };
2503        u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 };
2504
2505        u16 tmp16;
2506        u32 tmp32;
2507
2508        b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1f8);
2509        b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1f8);
2510
2511        tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0));
2512        tmp32 &= 0xffffff;
2513        b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32);
2514
2515        b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125);
2516        b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3);
2517        b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105);
2518        b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E);
2519        b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD);
2520        b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020);
2521
2522        b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_B, 0x000C);
2523        b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_B, 0x000C);
2524
2525        /* TX to RX */
2526        b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays,
2527                                 ARRAY_SIZE(tx2rx_events));
2528
2529        /* RX to TX */
2530        if (b43_nphy_ipa(dev))
2531                b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa,
2532                                rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa));
2533        if (nphy->hw_phyrxchain != 3 &&
2534            nphy->hw_phyrxchain != nphy->hw_phytxchain) {
2535                if (b43_nphy_ipa(dev)) {
2536                        rx2tx_delays[5] = 59;
2537                        rx2tx_delays[6] = 1;
2538                        rx2tx_events[7] = 0x1F;
2539                }
2540                b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays,
2541                                         ARRAY_SIZE(rx2tx_events));
2542        }
2543
2544        tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ?
2545                0x2 : 0x9C40;
2546        b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16);
2547
2548        b43_phy_maskset(dev, B43_NPHY_SGILTRNOFFSET, 0xF0FF, 0x0700);
2549
2550        if (!dev->phy.is_40mhz) {
2551                b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D);
2552                b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D);
2553        } else {
2554                b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D);
2555                b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D);
2556        }
2557
2558        b43_nphy_gain_ctl_workarounds(dev);
2559
2560        b43_ntab_write(dev, B43_NTAB16(8, 0), 2);
2561        b43_ntab_write(dev, B43_NTAB16(8, 16), 2);
2562
2563        /* TODO */
2564
2565        b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00);
2566        b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00);
2567        b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
2568        b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06);
2569        b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07);
2570        b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07);
2571        b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88);
2572        b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88);
2573        b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
2574        b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00);
2575        b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
2576        b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00);
2577
2578        /* N PHY WAR TX Chain Update with hw_phytxchain as argument */
2579
2580        if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR &&
2581             b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ||
2582            (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR &&
2583             b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ))
2584                tmp32 = 0x00088888;
2585        else
2586                tmp32 = 0x88888888;
2587        b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32);
2588        b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32);
2589        b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32);
2590
2591        if (dev->phy.rev == 4 &&
2592            b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
2593                b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC,
2594                                0x70);
2595                b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC,
2596                                0x70);
2597        }
2598
2599        /* Dropped probably-always-true condition */
2600        b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH0, 0x03eb);
2601        b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH1, 0x03eb);
2602        b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341);
2603        b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341);
2604        b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH0, 0x042b);
2605        b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH1, 0x042b);
2606        b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH0, 0x0381);
2607        b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH1, 0x0381);
2608        b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH0, 0x042b);
2609        b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH1, 0x042b);
2610        b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH0, 0x0381);
2611        b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH1, 0x0381);
2612
2613        if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK)
2614                ; /* TODO: 0x0080000000000000 HF */
2615}
2616
2617static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev)
2618{
2619        struct ssb_sprom *sprom = dev->dev->bus_sprom;
2620        struct b43_phy *phy = &dev->phy;
2621        struct b43_phy_n *nphy = phy->n;
2622
2623        u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 };
2624        u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 };
2625
2626        u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 };
2627        u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 };
2628
2629        if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
2630            dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) {
2631                delays1[0] = 0x1;
2632                delays1[5] = 0x14;
2633        }
2634
2635        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ &&
2636            nphy->band5g_pwrgain) {
2637                b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8);
2638                b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8);
2639        } else {
2640                b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8);
2641                b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8);
2642        }
2643
2644        b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A);
2645        b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A);
2646        if (dev->phy.rev < 3) {
2647                b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA);
2648                b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA);
2649        }
2650
2651        if (dev->phy.rev < 2) {
2652                b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000);
2653                b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000);
2654                b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB);
2655                b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB);
2656                b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800);
2657                b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800);
2658        }
2659
2660        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
2661        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
2662        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
2663        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
2664
2665        b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7);
2666        b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7);
2667
2668        b43_nphy_gain_ctl_workarounds(dev);
2669
2670        if (dev->phy.rev < 2) {
2671                if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2)
2672                        b43_hf_write(dev, b43_hf_read(dev) |
2673                                        B43_HF_MLADVW);
2674        } else if (dev->phy.rev == 2) {
2675                b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0);
2676                b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0);
2677        }
2678
2679        if (dev->phy.rev < 2)
2680                b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL,
2681                                ~B43_NPHY_SCRAM_SIGCTL_SCM);
2682
2683        /* Set phase track alpha and beta */
2684        b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125);
2685        b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3);
2686        b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105);
2687        b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E);
2688        b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD);
2689        b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20);
2690
2691        if (dev->phy.rev < 3) {
2692                b43_phy_mask(dev, B43_NPHY_PIL_DW1,
2693                             ~B43_NPHY_PIL_DW_64QAM & 0xFFFF);
2694                b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5);
2695                b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4);
2696                b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00);
2697        }
2698
2699        if (dev->phy.rev == 2)
2700                b43_phy_set(dev, B43_NPHY_FINERX2_CGC,
2701                                B43_NPHY_FINERX2_CGC_DECGC);
2702}
2703
2704/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */
2705static void b43_nphy_workarounds(struct b43_wldev *dev)
2706{
2707        struct b43_phy *phy = &dev->phy;
2708        struct b43_phy_n *nphy = phy->n;
2709
2710        if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
2711                b43_nphy_classifier(dev, 1, 0);
2712        else
2713                b43_nphy_classifier(dev, 1, 1);
2714
2715        if (nphy->hang_avoid)
2716                b43_nphy_stay_in_carrier_search(dev, 1);
2717
2718        b43_phy_set(dev, B43_NPHY_IQFLIP,
2719                    B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2);
2720
2721        if (dev->phy.rev >= 7)
2722                b43_nphy_workarounds_rev7plus(dev);
2723        else if (dev->phy.rev >= 3)
2724                b43_nphy_workarounds_rev3plus(dev);
2725        else
2726                b43_nphy_workarounds_rev1_2(dev);
2727
2728        if (nphy->hang_avoid)
2729                b43_nphy_stay_in_carrier_search(dev, 0);
2730}
2731
2732/**************************************************
2733 * Tx/Rx common
2734 **************************************************/
2735
2736/*
2737 * Transmits a known value for LO calibration
2738 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone
2739 */
2740static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val,
2741                                bool iqmode, bool dac_test)
2742{
2743        u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test);
2744        if (samp == 0)
2745                return -1;
2746        b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test);
2747        return 0;
2748}
2749
2750/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */
2751static void b43_nphy_update_txrx_chain(struct b43_wldev *dev)
2752{
2753        struct b43_phy_n *nphy = dev->phy.n;
2754
2755        bool override = false;
2756        u16 chain = 0x33;
2757
2758        if (nphy->txrx_chain == 0) {
2759                chain = 0x11;
2760                override = true;
2761        } else if (nphy->txrx_chain == 1) {
2762                chain = 0x22;
2763                override = true;
2764        }
2765
2766        b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
2767                        ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN),
2768                        chain);
2769
2770        if (override)
2771                b43_phy_set(dev, B43_NPHY_RFSEQMODE,
2772                                B43_NPHY_RFSEQMODE_CAOVER);
2773        else
2774                b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
2775                                ~B43_NPHY_RFSEQMODE_CAOVER);
2776}
2777
2778/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */
2779static void b43_nphy_stop_playback(struct b43_wldev *dev)
2780{
2781        struct b43_phy_n *nphy = dev->phy.n;
2782        u16 tmp;
2783
2784        if (nphy->hang_avoid)
2785                b43_nphy_stay_in_carrier_search(dev, 1);
2786
2787        tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT);
2788        if (tmp & 0x1)
2789                b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP);
2790        else if (tmp & 0x2)
2791                b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF);
2792
2793        b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004);
2794
2795        if (nphy->bb_mult_save & 0x80000000) {
2796                tmp = nphy->bb_mult_save & 0xFFFF;
2797                b43_ntab_write(dev, B43_NTAB16(15, 87), tmp);
2798                nphy->bb_mult_save = 0;
2799        }
2800
2801        if (nphy->hang_avoid)
2802                b43_nphy_stay_in_carrier_search(dev, 0);
2803}
2804
2805/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */
2806static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core,
2807                                        struct nphy_txgains target,
2808                                        struct nphy_iqcal_params *params)
2809{
2810        int i, j, indx;
2811        u16 gain;
2812
2813        if (dev->phy.rev >= 3) {
2814                params->txgm = target.txgm[core];
2815                params->pga = target.pga[core];
2816                params->pad = target.pad[core];
2817                params->ipa = target.ipa[core];
2818                params->cal_gain = (params->txgm << 12) | (params->pga << 8) |
2819                                        (params->pad << 4) | (params->ipa);
2820                for (j = 0; j < 5; j++)
2821                        params->ncorr[j] = 0x79;
2822        } else {
2823                gain = (target.pad[core]) | (target.pga[core] << 4) |
2824                        (target.txgm[core] << 8);
2825
2826                indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ?
2827                        1 : 0;
2828                for (i = 0; i < 9; i++)
2829                        if (tbl_iqcal_gainparams[indx][i][0] == gain)
2830                                break;
2831                i = min(i, 8);
2832
2833                params->txgm = tbl_iqcal_gainparams[indx][i][1];
2834                params->pga = tbl_iqcal_gainparams[indx][i][2];
2835                params->pad = tbl_iqcal_gainparams[indx][i][3];
2836                params->cal_gain = (params->txgm << 7) | (params->pga << 4) |
2837                                        (params->pad << 2);
2838                for (j = 0; j < 4; j++)
2839                        params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j];
2840        }
2841}
2842
2843/**************************************************
2844 * Tx and Rx
2845 **************************************************/
2846
2847static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev)
2848{//TODO
2849}
2850
2851static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev,
2852                                                        bool ignore_tssi)
2853{//TODO
2854        return B43_TXPWR_RES_DONE;
2855}
2856
2857/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */
2858static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable)
2859{
2860        struct b43_phy_n *nphy = dev->phy.n;
2861        u8 i;
2862        u16 bmask, val, tmp;
2863        enum ieee80211_band band = b43_current_band(dev->wl);
2864
2865        if (nphy->hang_avoid)
2866                b43_nphy_stay_in_carrier_search(dev, 1);
2867
2868        nphy->txpwrctrl = enable;
2869        if (!enable) {
2870                if (dev->phy.rev >= 3 &&
2871                    (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) &
2872                     (B43_NPHY_TXPCTL_CMD_COEFF |
2873                      B43_NPHY_TXPCTL_CMD_HWPCTLEN |
2874                      B43_NPHY_TXPCTL_CMD_PCTLEN))) {
2875                        /* We disable enabled TX pwr ctl, save it's state */
2876                        nphy->tx_pwr_idx[0] = b43_phy_read(dev,
2877                                                B43_NPHY_C1_TXPCTL_STAT) & 0x7f;
2878                        nphy->tx_pwr_idx[1] = b43_phy_read(dev,
2879                                                B43_NPHY_C2_TXPCTL_STAT) & 0x7f;
2880                }
2881
2882                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840);
2883                for (i = 0; i < 84; i++)
2884                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
2885
2886                b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40);
2887                for (i = 0; i < 84; i++)
2888                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0);
2889
2890                tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2891                if (dev->phy.rev >= 3)
2892                        tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2893                b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp);
2894
2895                if (dev->phy.rev >= 3) {
2896                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
2897                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
2898                } else {
2899                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
2900                }
2901
2902                if (dev->phy.rev == 2)
2903                        b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
2904                                ~B43_NPHY_BPHY_CTL3_SCALE, 0x53);
2905                else if (dev->phy.rev < 2)
2906                        b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
2907                                ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A);
2908
2909                if (dev->phy.rev < 2 && dev->phy.is_40mhz)
2910                        b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW);
2911        } else {
2912                b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84,
2913                                    nphy->adj_pwr_tbl);
2914                b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84,
2915                                    nphy->adj_pwr_tbl);
2916
2917                bmask = B43_NPHY_TXPCTL_CMD_COEFF |
2918                        B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2919                /* wl does useless check for "enable" param here */
2920                val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN;
2921                if (dev->phy.rev >= 3) {
2922                        bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2923                        if (val)
2924                                val |= B43_NPHY_TXPCTL_CMD_PCTLEN;
2925                }
2926                b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val);
2927
2928                if (band == IEEE80211_BAND_5GHZ) {
2929                        b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
2930                                        ~B43_NPHY_TXPCTL_CMD_INIT, 0x64);
2931                        if (dev->phy.rev > 1)
2932                                b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
2933                                                ~B43_NPHY_TXPCTL_INIT_PIDXI1,
2934                                                0x64);
2935                }
2936
2937                if (dev->phy.rev >= 3) {
2938                        if (nphy->tx_pwr_idx[0] != 128 &&
2939                            nphy->tx_pwr_idx[1] != 128) {
2940                                /* Recover TX pwr ctl state */
2941                                b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
2942                                                ~B43_NPHY_TXPCTL_CMD_INIT,
2943                                                nphy->tx_pwr_idx[0]);
2944                                if (dev->phy.rev > 1)
2945                                        b43_phy_maskset(dev,
2946                                                B43_NPHY_TXPCTL_INIT,
2947                                                ~0xff, nphy->tx_pwr_idx[1]);
2948                        }
2949                }
2950
2951                if (dev->phy.rev >= 3) {
2952                        b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100);
2953                        b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100);
2954                } else {
2955                        b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000);
2956                }
2957
2958                if (dev->phy.rev == 2)
2959                        b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b);
2960                else if (dev->phy.rev < 2)
2961                        b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40);
2962
2963                if (dev->phy.rev < 2 && dev->phy.is_40mhz)
2964                        b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW);
2965
2966                if (b43_nphy_ipa(dev)) {
2967                        b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4);
2968                        b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4);
2969                }
2970        }
2971
2972        if (nphy->hang_avoid)
2973                b43_nphy_stay_in_carrier_search(dev, 0);
2974}
2975
2976/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */
2977static void b43_nphy_tx_power_fix(struct b43_wldev *dev)
2978{
2979        struct b43_phy_n *nphy = dev->phy.n;
2980        struct ssb_sprom *sprom = dev->dev->bus_sprom;
2981
2982        u8 txpi[2], bbmult, i;
2983        u16 tmp, radio_gain, dac_gain;
2984        u16 freq = dev->phy.channel_freq;
2985        u32 txgain;
2986        /* u32 gaintbl; rev3+ */
2987
2988        if (nphy->hang_avoid)
2989                b43_nphy_stay_in_carrier_search(dev, 1);
2990
2991        if (dev->phy.rev >= 7) {
2992                txpi[0] = txpi[1] = 30;
2993        } else if (dev->phy.rev >= 3) {
2994                txpi[0] = 40;
2995                txpi[1] = 40;
2996        } else if (sprom->revision < 4) {
2997                txpi[0] = 72;
2998                txpi[1] = 72;
2999        } else {
3000                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3001                        txpi[0] = sprom->txpid2g[0];
3002                        txpi[1] = sprom->txpid2g[1];
3003                } else if (freq >= 4900 && freq < 5100) {
3004                        txpi[0] = sprom->txpid5gl[0];
3005                        txpi[1] = sprom->txpid5gl[1];
3006                } else if (freq >= 5100 && freq < 5500) {
3007                        txpi[0] = sprom->txpid5g[0];
3008                        txpi[1] = sprom->txpid5g[1];
3009                } else if (freq >= 5500) {
3010                        txpi[0] = sprom->txpid5gh[0];
3011                        txpi[1] = sprom->txpid5gh[1];
3012                } else {
3013                        txpi[0] = 91;
3014                        txpi[1] = 91;
3015                }
3016        }
3017        if (dev->phy.rev < 7 &&
3018            (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100))
3019                txpi[0] = txpi[1] = 91;
3020
3021        /*
3022        for (i = 0; i < 2; i++) {
3023                nphy->txpwrindex[i].index_internal = txpi[i];
3024                nphy->txpwrindex[i].index_internal_save = txpi[i];
3025        }
3026        */
3027
3028        for (i = 0; i < 2; i++) {
3029                txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]);
3030
3031                if (dev->phy.rev >= 3)
3032                        radio_gain = (txgain >> 16) & 0x1FFFF;
3033                else
3034                        radio_gain = (txgain >> 16) & 0x1FFF;
3035
3036                if (dev->phy.rev >= 7)
3037                        dac_gain = (txgain >> 8) & 0x7;
3038                else
3039                        dac_gain = (txgain >> 8) & 0x3F;
3040                bbmult = txgain & 0xFF;
3041
3042                if (dev->phy.rev >= 3) {
3043                        if (i == 0)
3044                                b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100);
3045                        else
3046                                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100);
3047                } else {
3048                        b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000);
3049                }
3050
3051                if (i == 0)
3052                        b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain);
3053                else
3054                        b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain);
3055
3056                b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain);
3057
3058                tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57));
3059                if (i == 0)
3060                        tmp = (tmp & 0x00FF) | (bbmult << 8);
3061                else
3062                        tmp = (tmp & 0xFF00) | bbmult;
3063                b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp);
3064
3065                if (b43_nphy_ipa(dev)) {
3066                        u32 tmp32;
3067                        u16 reg = (i == 0) ?
3068                                B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1;
3069                        tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i,
3070                                                              576 + txpi[i]));
3071                        b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4);
3072                        b43_phy_set(dev, reg, 0x4);
3073                }
3074        }
3075
3076        b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT);
3077
3078        if (nphy->hang_avoid)
3079                b43_nphy_stay_in_carrier_search(dev, 0);
3080}
3081
3082static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev)
3083{
3084        struct b43_phy *phy = &dev->phy;
3085
3086        u8 core;
3087        u16 r; /* routing */
3088
3089        if (phy->rev >= 7) {
3090                for (core = 0; core < 2; core++) {
3091                        r = core ? 0x190 : 0x170;
3092                        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3093                                b43_radio_write(dev, r + 0x5, 0x5);
3094                                b43_radio_write(dev, r + 0x9, 0xE);
3095                                if (phy->rev != 5)
3096                                        b43_radio_write(dev, r + 0xA, 0);
3097                                if (phy->rev != 7)
3098                                        b43_radio_write(dev, r + 0xB, 1);
3099                                else
3100                                        b43_radio_write(dev, r + 0xB, 0x31);
3101                        } else {
3102                                b43_radio_write(dev, r + 0x5, 0x9);
3103                                b43_radio_write(dev, r + 0x9, 0xC);
3104                                b43_radio_write(dev, r + 0xB, 0x0);
3105                                if (phy->rev != 5)
3106                                        b43_radio_write(dev, r + 0xA, 1);
3107                                else
3108                                        b43_radio_write(dev, r + 0xA, 0x31);
3109                        }
3110                        b43_radio_write(dev, r + 0x6, 0);
3111                        b43_radio_write(dev, r + 0x7, 0);
3112                        b43_radio_write(dev, r + 0x8, 3);
3113                        b43_radio_write(dev, r + 0xC, 0);
3114                }
3115        } else {
3116                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3117                        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128);
3118                else
3119                        b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80);
3120                b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0);
3121                b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29);
3122
3123                for (core = 0; core < 2; core++) {
3124                        r = core ? B2056_TX1 : B2056_TX0;
3125
3126                        b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0);
3127                        b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0);
3128                        b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3);
3129                        b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0);
3130                        b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8);
3131                        b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0);
3132                        b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0);
3133                        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3134                                b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
3135                                                0x5);
3136                                if (phy->rev != 5)
3137                                        b43_radio_write(dev, r | B2056_TX_TSSIA,
3138                                                        0x00);
3139                                if (phy->rev >= 5)
3140                                        b43_radio_write(dev, r | B2056_TX_TSSIG,
3141                                                        0x31);
3142                                else
3143                                        b43_radio_write(dev, r | B2056_TX_TSSIG,
3144                                                        0x11);
3145                                b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
3146                                                0xE);
3147                        } else {
3148                                b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER,
3149                                                0x9);
3150                                b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31);
3151                                b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0);
3152                                b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX,
3153                                                0xC);
3154                        }
3155                }
3156        }
3157}
3158
3159/*
3160 * Stop radio and transmit known signal. Then check received signal strength to
3161 * get TSSI (Transmit Signal Strength Indicator).
3162 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi
3163 */
3164static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
3165{
3166        struct b43_phy *phy = &dev->phy;
3167        struct b43_phy_n *nphy = dev->phy.n;
3168
3169        u32 tmp;
3170        s32 rssi[4] = { };
3171
3172        /* TODO: check if we can transmit */
3173
3174        if (b43_nphy_ipa(dev))
3175                b43_nphy_ipa_internal_tssi_setup(dev);
3176
3177        if (phy->rev >= 7)
3178                b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, false, 0);
3179        else if (phy->rev >= 3)
3180                b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false);
3181
3182        b43_nphy_stop_playback(dev);
3183        b43_nphy_tx_tone(dev, 0xFA0, 0, false, false);
3184        udelay(20);
3185        tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1);
3186        b43_nphy_stop_playback(dev);
3187        b43_nphy_rssi_select(dev, 0, N_RSSI_W1);
3188
3189        if (phy->rev >= 7)
3190                b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, true, 0);
3191        else if (phy->rev >= 3)
3192                b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, true);
3193
3194        if (phy->rev >= 3) {
3195                nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF;
3196                nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF;
3197        } else {
3198                nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF;
3199                nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF;
3200        }
3201        nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF;
3202        nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF;
3203}
3204
3205/* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */
3206static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev)
3207{
3208        struct b43_phy_n *nphy = dev->phy.n;
3209
3210        u8 idx, delta;
3211        u8 i, stf_mode;
3212
3213        for (i = 0; i < 4; i++)
3214                nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i];
3215
3216        for (stf_mode = 0; stf_mode < 4; stf_mode++) {
3217                delta = 0;
3218                switch (stf_mode) {
3219                case 0:
3220                        if (dev->phy.is_40mhz && dev->phy.rev >= 5) {
3221                                idx = 68;
3222                        } else {
3223                                delta = 1;
3224                                idx = dev->phy.is_40mhz ? 52 : 4;
3225                        }
3226                        break;
3227                case 1:
3228                        idx = dev->phy.is_40mhz ? 76 : 28;
3229                        break;
3230                case 2:
3231                        idx = dev->phy.is_40mhz ? 84 : 36;
3232                        break;
3233                case 3:
3234                        idx = dev->phy.is_40mhz ? 92 : 44;
3235                        break;
3236                }
3237
3238                for (i = 0; i < 20; i++) {
3239                        nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] =
3240                                nphy->tx_power_offset[idx];
3241                        if (i == 0)
3242                                idx += delta;
3243                        if (i == 14)
3244                                idx += 1 - delta;
3245                        if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 ||
3246                            i == 13)
3247                                idx += 1;
3248                }
3249        }
3250}
3251
3252/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */
3253static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev)
3254{
3255        struct b43_phy_n *nphy = dev->phy.n;
3256        struct ssb_sprom *sprom = dev->dev->bus_sprom;
3257
3258        s16 a1[2], b0[2], b1[2];
3259        u8 idle[2];
3260        s8 target[2];
3261        s32 num, den, pwr;
3262        u32 regval[64];
3263
3264        u16 freq = dev->phy.channel_freq;
3265        u16 tmp;
3266        u16 r; /* routing */
3267        u8 i, c;
3268
3269        if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
3270                b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
3271                b43_read32(dev, B43_MMIO_MACCTL);
3272                udelay(1);
3273        }
3274
3275        if (nphy->hang_avoid)
3276                b43_nphy_stay_in_carrier_search(dev, true);
3277
3278        b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN);
3279        if (dev->phy.rev >= 3)
3280                b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD,
3281                             ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF);
3282        else
3283                b43_phy_set(dev, B43_NPHY_TXPCTL_CMD,
3284                            B43_NPHY_TXPCTL_CMD_PCTLEN);
3285
3286        if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
3287                b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
3288
3289        if (sprom->revision < 4) {
3290                idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g;
3291                idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g;
3292                target[0] = target[1] = 52;
3293                a1[0] = a1[1] = -424;
3294                b0[0] = b0[1] = 5612;
3295                b1[0] = b1[1] = -1393;
3296        } else {
3297                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3298                        for (c = 0; c < 2; c++) {
3299                                idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g;
3300                                target[c] = sprom->core_pwr_info[c].maxpwr_2g;
3301                                a1[c] = sprom->core_pwr_info[c].pa_2g[0];
3302                                b0[c] = sprom->core_pwr_info[c].pa_2g[1];
3303                                b1[c] = sprom->core_pwr_info[c].pa_2g[2];
3304                        }
3305                } else if (freq >= 4900 && freq < 5100) {
3306                        for (c = 0; c < 2; c++) {
3307                                idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
3308                                target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
3309                                a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
3310                                b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
3311                                b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
3312                        }
3313                } else if (freq >= 5100 && freq < 5500) {
3314                        for (c = 0; c < 2; c++) {
3315                                idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
3316                                target[c] = sprom->core_pwr_info[c].maxpwr_5g;
3317                                a1[c] = sprom->core_pwr_info[c].pa_5g[0];
3318                                b0[c] = sprom->core_pwr_info[c].pa_5g[1];
3319                                b1[c] = sprom->core_pwr_info[c].pa_5g[2];
3320                        }
3321                } else if (freq >= 5500) {
3322                        for (c = 0; c < 2; c++) {
3323                                idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g;
3324                                target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
3325                                a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
3326                                b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
3327                                b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
3328                        }
3329                } else {
3330                        idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g;
3331                        idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g;
3332                        target[0] = target[1] = 52;
3333                        a1[0] = a1[1] = -424;
3334                        b0[0] = b0[1] = 5612;
3335                        b1[0] = b1[1] = -1393;
3336                }
3337        }
3338        /* target[0] = target[1] = nphy->tx_power_max; */
3339
3340        if (dev->phy.rev >= 3) {
3341                if (sprom->fem.ghz2.tssipos)
3342                        b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000);
3343                if (dev->phy.rev >= 7) {
3344                        for (c = 0; c < 2; c++) {
3345                                r = c ? 0x190 : 0x170;
3346                                if (b43_nphy_ipa(dev))
3347                                        b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC);
3348                        }
3349                } else {
3350                        if (b43_nphy_ipa(dev)) {
3351                                tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE;
3352                                b43_radio_write(dev,
3353                                        B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp);
3354                                b43_radio_write(dev,
3355                                        B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp);
3356                        } else {
3357                                b43_radio_write(dev,
3358                                        B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11);
3359                                b43_radio_write(dev,
3360                                        B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11);
3361                        }
3362                }
3363        }
3364
3365        if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) {
3366                b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000);
3367                b43_read32(dev, B43_MMIO_MACCTL);
3368                udelay(1);
3369        }
3370
3371        if (dev->phy.rev >= 7) {
3372                b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3373                                ~B43_NPHY_TXPCTL_CMD_INIT, 0x19);
3374                b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
3375                                ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19);
3376        } else {
3377                b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD,
3378                                ~B43_NPHY_TXPCTL_CMD_INIT, 0x40);
3379                if (dev->phy.rev > 1)
3380                        b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT,
3381                                ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40);
3382        }
3383
3384        if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12)
3385                b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0);
3386
3387        b43_phy_write(dev, B43_NPHY_TXPCTL_N,
3388                      0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT |
3389                      3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT);
3390        b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI,
3391                      idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT |
3392                      idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT |
3393                      B43_NPHY_TXPCTL_ITSSI_BINF);
3394        b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR,
3395                      target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT |
3396                      target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT);
3397
3398        for (c = 0; c < 2; c++) {
3399                for (i = 0; i < 64; i++) {
3400                        num = 8 * (16 * b0[c] + b1[c] * i);
3401                        den = 32768 + a1[c] * i;
3402                        pwr = max((4 * num + den / 2) / den, -8);
3403                        if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1)))
3404                                pwr = max(pwr, target[c] + 1);
3405                        regval[i] = pwr;
3406                }
3407                b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval);
3408        }
3409
3410        b43_nphy_tx_prepare_adjusted_power_table(dev);
3411        /*
3412        b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl);
3413        b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl);
3414        */
3415
3416        if (nphy->hang_avoid)
3417                b43_nphy_stay_in_carrier_search(dev, false);
3418}
3419
3420static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev)
3421{
3422        struct b43_phy *phy = &dev->phy;
3423
3424        const u32 *table = NULL;
3425        u32 rfpwr_offset;
3426        u8 pga_gain;
3427        int i;
3428
3429        table = b43_nphy_get_tx_gain_table(dev);
3430        b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table);
3431        b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table);
3432
3433        if (phy->rev >= 3) {
3434#if 0
3435                nphy->gmval = (table[0] >> 16) & 0x7000;
3436#endif
3437
3438                for (i = 0; i < 128; i++) {
3439                        pga_gain = (table[i] >> 24) & 0xF;
3440                        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
3441                                rfpwr_offset =
3442                                 b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain];
3443                        else
3444                                rfpwr_offset =
3445                                 0; /* FIXME */
3446                        b43_ntab_write(dev, B43_NTAB32(26, 576 + i),
3447                                       rfpwr_offset);
3448                        b43_ntab_write(dev, B43_NTAB32(27, 576 + i),
3449                                       rfpwr_offset);
3450                }
3451        }
3452}
3453
3454/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */
3455static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable)
3456{
3457        struct b43_phy_n *nphy = dev->phy.n;
3458        enum ieee80211_band band;
3459        u16 tmp;
3460
3461        if (!enable) {
3462                nphy->rfctrl_intc1_save = b43_phy_read(dev,
3463                                                       B43_NPHY_RFCTL_INTC1);
3464                nphy->rfctrl_intc2_save = b43_phy_read(dev,
3465                                                       B43_NPHY_RFCTL_INTC2);
3466                band = b43_current_band(dev->wl);
3467                if (dev->phy.rev >= 3) {
3468                        if (band == IEEE80211_BAND_5GHZ)
3469                                tmp = 0x600;
3470                        else
3471                                tmp = 0x480;
3472                } else {
3473                        if (band == IEEE80211_BAND_5GHZ)
3474                                tmp = 0x180;
3475                        else
3476                                tmp = 0x120;
3477                }
3478                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
3479                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
3480        } else {
3481                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1,
3482                                nphy->rfctrl_intc1_save);
3483                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2,
3484                                nphy->rfctrl_intc2_save);
3485        }
3486}
3487
3488/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */
3489static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev)
3490{
3491        u16 tmp;
3492
3493        if (dev->phy.rev >= 3) {
3494                if (b43_nphy_ipa(dev)) {
3495                        tmp = 4;
3496                        b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2,
3497                              (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
3498                }
3499
3500                tmp = 1;
3501                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2,
3502                              (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp);
3503        }
3504}
3505
3506/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */
3507static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est,
3508                                u16 samps, u8 time, bool wait)
3509{
3510        int i;
3511        u16 tmp;
3512
3513        b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps);
3514        b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time);
3515        if (wait)
3516                b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE);
3517        else
3518                b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE);
3519
3520        b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START);
3521
3522        for (i = 1000; i; i--) {
3523                tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD);
3524                if (!(tmp & B43_NPHY_IQEST_CMD_START)) {
3525                        est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) |
3526                                        b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0);
3527                        est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) |
3528                                        b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0);
3529                        est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) |
3530                                        b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0);
3531
3532                        est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) |
3533                                        b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1);
3534                        est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) |
3535                                        b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1);
3536                        est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) |
3537                                        b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1);
3538                        return;
3539                }
3540                udelay(10);
3541        }
3542        memset(est, 0, sizeof(*est));
3543}
3544
3545/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */
3546static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write,
3547                                        struct b43_phy_n_iq_comp *pcomp)
3548{
3549        if (write) {
3550                b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0);
3551                b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0);
3552                b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1);
3553                b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1);
3554        } else {
3555                pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0);
3556                pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0);
3557                pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1);
3558                pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1);
3559        }
3560}
3561
3562#if 0
3563/* Ready but not used anywhere */
3564/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */
3565static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core)
3566{
3567        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
3568
3569        b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]);
3570        if (core == 0) {
3571                b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]);
3572                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
3573        } else {
3574                b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
3575                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
3576        }
3577        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]);
3578        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]);
3579        b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]);
3580        b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]);
3581        b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]);
3582        b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]);
3583        b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
3584        b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
3585}
3586
3587/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */
3588static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core)
3589{
3590        u8 rxval, txval;
3591        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
3592
3593        regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
3594        if (core == 0) {
3595                regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
3596                regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
3597        } else {
3598                regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
3599                regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
3600        }
3601        regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
3602        regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
3603        regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1);
3604        regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2);
3605        regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1);
3606        regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER);
3607        regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
3608        regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
3609
3610        b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
3611        b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
3612
3613        b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
3614                        ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
3615                        ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
3616        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
3617                        ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT));
3618        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
3619                        (core << B43_NPHY_RFSEQCA_RXEN_SHIFT));
3620        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS,
3621                        (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT));
3622
3623        if (core == 0) {
3624                b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007);
3625                b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007);
3626        } else {
3627                b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007);
3628                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007);
3629        }
3630
3631        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3);
3632        b43_nphy_rf_ctl_override(dev, 8, 0, 3, false);
3633        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
3634
3635        if (core == 0) {
3636                rxval = 1;
3637                txval = 8;
3638        } else {
3639                rxval = 4;
3640                txval = 2;
3641        }
3642        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, rxval,
3643                                      core + 1);
3644        b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, txval,
3645                                      2 - core);
3646}
3647#endif
3648
3649/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */
3650static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask)
3651{
3652        int i;
3653        s32 iq;
3654        u32 ii;
3655        u32 qq;
3656        int iq_nbits, qq_nbits;
3657        int arsh, brsh;
3658        u16 tmp, a, b;
3659
3660        struct nphy_iq_est est;
3661        struct b43_phy_n_iq_comp old;
3662        struct b43_phy_n_iq_comp new = { };
3663        bool error = false;
3664
3665        if (mask == 0)
3666                return;
3667
3668        b43_nphy_rx_iq_coeffs(dev, false, &old);
3669        b43_nphy_rx_iq_coeffs(dev, true, &new);
3670        b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false);
3671        new = old;
3672
3673        for (i = 0; i < 2; i++) {
3674                if (i == 0 && (mask & 1)) {
3675                        iq = est.iq0_prod;
3676                        ii = est.i0_pwr;
3677                        qq = est.q0_pwr;
3678                } else if (i == 1 && (mask & 2)) {
3679                        iq = est.iq1_prod;
3680                        ii = est.i1_pwr;
3681                        qq = est.q1_pwr;
3682                } else {
3683                        continue;
3684                }
3685
3686                if (ii + qq < 2) {
3687                        error = true;
3688                        break;
3689                }
3690
3691                iq_nbits = fls(abs(iq));
3692                qq_nbits = fls(qq);
3693
3694                arsh = iq_nbits - 20;
3695                if (arsh >= 0) {
3696                        a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh)));
3697                        tmp = ii >> arsh;
3698                } else {
3699                        a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh)));
3700                        tmp = ii << -arsh;
3701                }
3702                if (tmp == 0) {
3703                        error = true;
3704                        break;
3705                }
3706                a /= tmp;
3707
3708                brsh = qq_nbits - 11;
3709                if (brsh >= 0) {
3710                        b = (qq << (31 - qq_nbits));
3711                        tmp = ii >> brsh;
3712                } else {
3713                        b = (qq << (31 - qq_nbits));
3714                        tmp = ii << -brsh;
3715                }
3716                if (tmp == 0) {
3717                        error = true;
3718                        break;
3719                }
3720                b = int_sqrt(b / tmp - a * a) - (1 << 10);
3721
3722                if (i == 0 && (mask & 0x1)) {
3723                        if (dev->phy.rev >= 3) {
3724                                new.a0 = a & 0x3FF;
3725                                new.b0 = b & 0x3FF;
3726                        } else {
3727                                new.a0 = b & 0x3FF;
3728                                new.b0 = a & 0x3FF;
3729                        }
3730                } else if (i == 1 && (mask & 0x2)) {
3731                        if (dev->phy.rev >= 3) {
3732                                new.a1 = a & 0x3FF;
3733                                new.b1 = b & 0x3FF;
3734                        } else {
3735                                new.a1 = b & 0x3FF;
3736                                new.b1 = a & 0x3FF;
3737                        }
3738                }
3739        }
3740
3741        if (error)
3742                new = old;
3743
3744        b43_nphy_rx_iq_coeffs(dev, true, &new);
3745}
3746
3747/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */
3748static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev)
3749{
3750        u16 array[4];
3751        b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array);
3752
3753        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]);
3754        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]);
3755        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]);
3756        b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]);
3757}
3758
3759/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */
3760static void b43_nphy_spur_workaround(struct b43_wldev *dev)
3761{
3762        struct b43_phy_n *nphy = dev->phy.n;
3763
3764        u8 channel = dev->phy.channel;
3765        int tone[2] = { 57, 58 };
3766        u32 noise[2] = { 0x3FF, 0x3FF };
3767
3768        B43_WARN_ON(dev->phy.rev < 3);
3769
3770        if (nphy->hang_avoid)
3771                b43_nphy_stay_in_carrier_search(dev, 1);
3772
3773        if (nphy->gband_spurwar_en) {
3774                /* TODO: N PHY Adjust Analog Pfbw (7) */
3775                if (channel == 11 && dev->phy.is_40mhz)
3776                        ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/
3777                else
3778                        ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
3779                /* TODO: N PHY Adjust CRS Min Power (0x1E) */
3780        }
3781
3782        if (nphy->aband_spurwar_en) {
3783                if (channel == 54) {
3784                        tone[0] = 0x20;
3785                        noise[0] = 0x25F;
3786                } else if (channel == 38 || channel == 102 || channel == 118) {
3787                        if (0 /* FIXME */) {
3788                                tone[0] = 0x20;
3789                                noise[0] = 0x21F;
3790                        } else {
3791                                tone[0] = 0;
3792                                noise[0] = 0;
3793                        }
3794                } else if (channel == 134) {
3795                        tone[0] = 0x20;
3796                        noise[0] = 0x21F;
3797                } else if (channel == 151) {
3798                        tone[0] = 0x10;
3799                        noise[0] = 0x23F;
3800                } else if (channel == 153 || channel == 161) {
3801                        tone[0] = 0x30;
3802                        noise[0] = 0x23F;
3803                } else {
3804                        tone[0] = 0;
3805                        noise[0] = 0;
3806                }
3807
3808                if (!tone[0] && !noise[0])
3809                        ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/
3810                else
3811                        ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/
3812        }
3813
3814        if (nphy->hang_avoid)
3815                b43_nphy_stay_in_carrier_search(dev, 0);
3816}
3817
3818/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */
3819static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev)
3820{
3821        struct b43_phy_n *nphy = dev->phy.n;
3822        int i, j;
3823        u32 tmp;
3824        u32 cur_real, cur_imag, real_part, imag_part;
3825
3826        u16 buffer[7];
3827
3828        if (nphy->hang_avoid)
3829                b43_nphy_stay_in_carrier_search(dev, true);
3830
3831        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
3832
3833        for (i = 0; i < 2; i++) {
3834                tmp = ((buffer[i * 2] & 0x3FF) << 10) |
3835                        (buffer[i * 2 + 1] & 0x3FF);
3836                b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
3837                                (((i + 26) << 10) | 320));
3838                for (j = 0; j < 128; j++) {
3839                        b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
3840                                        ((tmp >> 16) & 0xFFFF));
3841                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
3842                                        (tmp & 0xFFFF));
3843                }
3844        }
3845
3846        for (i = 0; i < 2; i++) {
3847                tmp = buffer[5 + i];
3848                real_part = (tmp >> 8) & 0xFF;
3849                imag_part = (tmp & 0xFF);
3850                b43_phy_write(dev, B43_NPHY_TABLE_ADDR,
3851                                (((i + 26) << 10) | 448));
3852
3853                if (dev->phy.rev >= 3) {
3854                        cur_real = real_part;
3855                        cur_imag = imag_part;
3856                        tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF);
3857                }
3858
3859                for (j = 0; j < 128; j++) {
3860                        if (dev->phy.rev < 3) {
3861                                cur_real = (real_part * loscale[j] + 128) >> 8;
3862                                cur_imag = (imag_part * loscale[j] + 128) >> 8;
3863                                tmp = ((cur_real & 0xFF) << 8) |
3864                                        (cur_imag & 0xFF);
3865                        }
3866                        b43_phy_write(dev, B43_NPHY_TABLE_DATAHI,
3867                                        ((tmp >> 16) & 0xFFFF));
3868                        b43_phy_write(dev, B43_NPHY_TABLE_DATALO,
3869                                        (tmp & 0xFFFF));
3870                }
3871        }
3872
3873        if (dev->phy.rev >= 3) {
3874                b43_shm_write16(dev, B43_SHM_SHARED,
3875                                B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF);
3876                b43_shm_write16(dev, B43_SHM_SHARED,
3877                                B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF);
3878        }
3879
3880        if (nphy->hang_avoid)
3881                b43_nphy_stay_in_carrier_search(dev, false);
3882}
3883
3884/*
3885 * Restore RSSI Calibration
3886 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal
3887 */
3888static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev)
3889{
3890        struct b43_phy_n *nphy = dev->phy.n;
3891
3892        u16 *rssical_radio_regs = NULL;
3893        u16 *rssical_phy_regs = NULL;
3894
3895        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
3896                if (!nphy->rssical_chanspec_2G.center_freq)
3897                        return;
3898                rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G;
3899                rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G;
3900        } else {
3901                if (!nphy->rssical_chanspec_5G.center_freq)
3902                        return;
3903                rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G;
3904                rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G;
3905        }
3906
3907        if (dev->phy.rev >= 7) {
3908        } else {
3909                b43_radio_maskset(dev, B2056_RX0 | B2056_RX_RSSI_MISC, 0xE3,
3910                                  rssical_radio_regs[0]);
3911                b43_radio_maskset(dev, B2056_RX1 | B2056_RX_RSSI_MISC, 0xE3,
3912                                  rssical_radio_regs[1]);
3913        }
3914
3915        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]);
3916        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]);
3917        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]);
3918        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]);
3919
3920        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]);
3921        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]);
3922        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]);
3923        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]);
3924
3925        b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]);
3926        b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]);
3927        b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]);
3928        b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]);
3929}
3930
3931/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */
3932static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev)
3933{
3934        struct b43_phy_n *nphy = dev->phy.n;
3935        u16 *save = nphy->tx_rx_cal_radio_saveregs;
3936        u16 tmp;
3937        u8 offset, i;
3938
3939        if (dev->phy.rev >= 3) {
3940            for (i = 0; i < 2; i++) {
3941                tmp = (i == 0) ? 0x2000 : 0x3000;
3942                offset = i * 11;
3943
3944                save[offset + 0] = b43_radio_read(dev, B2055_CAL_RVARCTL);
3945                save[offset + 1] = b43_radio_read(dev, B2055_CAL_LPOCTL);
3946                save[offset + 2] = b43_radio_read(dev, B2055_CAL_TS);
3947                save[offset + 3] = b43_radio_read(dev, B2055_CAL_RCCALRTS);
3948                save[offset + 4] = b43_radio_read(dev, B2055_CAL_RCALRTS);
3949                save[offset + 5] = b43_radio_read(dev, B2055_PADDRV);
3950                save[offset + 6] = b43_radio_read(dev, B2055_XOCTL1);
3951                save[offset + 7] = b43_radio_read(dev, B2055_XOCTL2);
3952                save[offset + 8] = b43_radio_read(dev, B2055_XOREGUL);
3953                save[offset + 9] = b43_radio_read(dev, B2055_XOMISC);
3954                save[offset + 10] = b43_radio_read(dev, B2055_PLL_LFC1);
3955
3956                if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
3957                        b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x0A);
3958                        b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
3959                        b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
3960                        b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
3961                        b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
3962                        if (nphy->ipa5g_on) {
3963                                b43_radio_write(dev, tmp | B2055_PADDRV, 4);
3964                                b43_radio_write(dev, tmp | B2055_XOCTL1, 1);
3965                        } else {
3966                                b43_radio_write(dev, tmp | B2055_PADDRV, 0);
3967                                b43_radio_write(dev, tmp | B2055_XOCTL1, 0x2F);
3968                        }
3969                        b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
3970                } else {
3971                        b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x06);
3972                        b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40);
3973                        b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55);
3974                        b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0);
3975                        b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0);
3976                        b43_radio_write(dev, tmp | B2055_XOCTL1, 0);
3977                        if (nphy->ipa2g_on) {
3978                                b43_radio_write(dev, tmp | B2055_PADDRV, 6);
3979                                b43_radio_write(dev, tmp | B2055_XOCTL2,
3980                                        (dev->phy.rev < 5) ? 0x11 : 0x01);
3981                        } else {
3982                                b43_radio_write(dev, tmp | B2055_PADDRV, 0);
3983                                b43_radio_write(dev, tmp | B2055_XOCTL2, 0);
3984                        }
3985                }
3986                b43_radio_write(dev, tmp | B2055_XOREGUL, 0);
3987                b43_radio_write(dev, tmp | B2055_XOMISC, 0);
3988                b43_radio_write(dev, tmp | B2055_PLL_LFC1, 0);
3989            }
3990        } else {
3991                save[0] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL1);
3992                b43_radio_write(dev, B2055_C1_TX_RF_IQCAL1, 0x29);
3993
3994                save[1] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL2);
3995                b43_radio_write(dev, B2055_C1_TX_RF_IQCAL2, 0x54);
3996
3997                save[2] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL1);
3998                b43_radio_write(dev, B2055_C2_TX_RF_IQCAL1, 0x29);
3999
4000                save[3] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL2);
4001                b43_radio_write(dev, B2055_C2_TX_RF_IQCAL2, 0x54);
4002
4003                save[3] = b43_radio_read(dev, B2055_C1_PWRDET_RXTX);
4004                save[4] = b43_radio_read(dev, B2055_C2_PWRDET_RXTX);
4005
4006                if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) &
4007                    B43_NPHY_BANDCTL_5GHZ)) {
4008                        b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x04);
4009                        b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x04);
4010                } else {
4011                        b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x20);
4012                        b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x20);
4013                }
4014
4015                if (dev->phy.rev < 2) {
4016                        b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20);
4017                        b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20);
4018                } else {
4019                        b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20);
4020                        b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20);
4021                }
4022        }
4023}
4024
4025/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */
4026static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core)
4027{
4028        struct b43_phy_n *nphy = dev->phy.n;
4029        int i;
4030        u16 scale, entry;
4031
4032        u16 tmp = nphy->txcal_bbmult;
4033        if (core == 0)
4034                tmp >>= 8;
4035        tmp &= 0xff;
4036
4037        for (i = 0; i < 18; i++) {
4038                scale = (ladder_lo[i].percent * tmp) / 100;
4039                entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env;
4040                b43_ntab_write(dev, B43_NTAB16(15, i), entry);
4041
4042                scale = (ladder_iq[i].percent * tmp) / 100;
4043                entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env;
4044                b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry);
4045        }
4046}
4047
4048/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */
4049static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev)
4050{
4051        int i;
4052        for (i = 0; i < 15; i++)
4053                b43_phy_write(dev, B43_PHY_N(0x2C5 + i),
4054                                tbl_tx_filter_coef_rev4[2][i]);
4055}
4056
4057/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */
4058static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev)
4059{
4060        int i, j;
4061        /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */
4062        static const u16 offset[] = { 0x186, 0x195, 0x2C5 };
4063
4064        for (i = 0; i < 3; i++)
4065                for (j = 0; j < 15; j++)
4066                        b43_phy_write(dev, B43_PHY_N(offset[i] + j),
4067                                        tbl_tx_filter_coef_rev4[i][j]);
4068
4069        if (dev->phy.is_40mhz) {
4070                for (j = 0; j < 15; j++)
4071                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
4072                                        tbl_tx_filter_coef_rev4[3][j]);
4073        } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) {
4074                for (j = 0; j < 15; j++)
4075                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
4076                                        tbl_tx_filter_coef_rev4[5][j]);
4077        }
4078
4079        if (dev->phy.channel == 14)
4080                for (j = 0; j < 15; j++)
4081                        b43_phy_write(dev, B43_PHY_N(offset[0] + j),
4082                                        tbl_tx_filter_coef_rev4[6][j]);
4083}
4084
4085/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */
4086static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev)
4087{
4088        struct b43_phy_n *nphy = dev->phy.n;
4089
4090        u16 curr_gain[2];
4091        struct nphy_txgains target;
4092        const u32 *table = NULL;
4093
4094        if (!nphy->txpwrctrl) {
4095                int i;
4096
4097                if (nphy->hang_avoid)
4098                        b43_nphy_stay_in_carrier_search(dev, true);
4099                b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain);
4100                if (nphy->hang_avoid)
4101                        b43_nphy_stay_in_carrier_search(dev, false);
4102
4103                for (i = 0; i < 2; ++i) {
4104                        if (dev->phy.rev >= 3) {
4105                                target.ipa[i] = curr_gain[i] & 0x000F;
4106                                target.pad[i] = (curr_gain[i] & 0x00F0) >> 4;
4107                                target.pga[i] = (curr_gain[i] & 0x0F00) >> 8;
4108                                target.txgm[i] = (curr_gain[i] & 0x7000) >> 12;
4109                        } else {
4110                                target.ipa[i] = curr_gain[i] & 0x0003;
4111                                target.pad[i] = (curr_gain[i] & 0x000C) >> 2;
4112                                target.pga[i] = (curr_gain[i] & 0x0070) >> 4;
4113                                target.txgm[i] = (curr_gain[i] & 0x0380) >> 7;
4114                        }
4115                }
4116        } else {
4117                int i;
4118                u16 index[2];
4119                index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) &
4120                        B43_NPHY_TXPCTL_STAT_BIDX) >>
4121                        B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
4122                index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) &
4123                        B43_NPHY_TXPCTL_STAT_BIDX) >>
4124                        B43_NPHY_TXPCTL_STAT_BIDX_SHIFT;
4125
4126                for (i = 0; i < 2; ++i) {
4127                        table = b43_nphy_get_tx_gain_table(dev);
4128                        if (dev->phy.rev >= 3) {
4129                                target.ipa[i] = (table[index[i]] >> 16) & 0xF;
4130                                target.pad[i] = (table[index[i]] >> 20) & 0xF;
4131                                target.pga[i] = (table[index[i]] >> 24) & 0xF;
4132                                target.txgm[i] = (table[index[i]] >> 28) & 0xF;
4133                        } else {
4134                                target.ipa[i] = (table[index[i]] >> 16) & 0x3;
4135                                target.pad[i] = (table[index[i]] >> 18) & 0x3;
4136                                target.pga[i] = (table[index[i]] >> 20) & 0x7;
4137                                target.txgm[i] = (table[index[i]] >> 23) & 0x7;
4138                        }
4139                }
4140        }
4141
4142        return target;
4143}
4144
4145/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */
4146static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev)
4147{
4148        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
4149
4150        if (dev->phy.rev >= 3) {
4151                b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]);
4152                b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]);
4153                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]);
4154                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]);
4155                b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]);
4156                b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]);
4157                b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]);
4158                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]);
4159                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]);
4160                b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]);
4161                b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]);
4162                b43_nphy_reset_cca(dev);
4163        } else {
4164                b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]);
4165                b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]);
4166                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]);
4167                b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]);
4168                b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]);
4169                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]);
4170                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]);
4171        }
4172}
4173
4174/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */
4175static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev)
4176{
4177        u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs;
4178        u16 tmp;
4179
4180        regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1);
4181        regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2);
4182        if (dev->phy.rev >= 3) {
4183                b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00);
4184                b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00);
4185
4186                tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1);
4187                regs[2] = tmp;
4188                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600);
4189
4190                tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4191                regs[3] = tmp;
4192                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600);
4193
4194                regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG);
4195                b43_phy_mask(dev, B43_NPHY_BBCFG,
4196                             ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
4197
4198                tmp = b43_ntab_read(dev, B43_NTAB16(8, 3));
4199                regs[5] = tmp;
4200                b43_ntab_write(dev, B43_NTAB16(8, 3), 0);
4201
4202                tmp = b43_ntab_read(dev, B43_NTAB16(8, 19));
4203                regs[6] = tmp;
4204                b43_ntab_write(dev, B43_NTAB16(8, 19), 0);
4205                regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
4206                regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
4207
4208                b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 1, 3);
4209                b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 2, 1);
4210                b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 8, 2);
4211
4212                regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0);
4213                regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1);
4214                b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001);
4215                b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001);
4216        } else {
4217                b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000);
4218                b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000);
4219                tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4220                regs[2] = tmp;
4221                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000);
4222                tmp = b43_ntab_read(dev, B43_NTAB16(8, 2));
4223                regs[3] = tmp;
4224                tmp |= 0x2000;
4225                b43_ntab_write(dev, B43_NTAB16(8, 2), tmp);
4226                tmp = b43_ntab_read(dev, B43_NTAB16(8, 18));
4227                regs[4] = tmp;
4228                tmp |= 0x2000;
4229                b43_ntab_write(dev, B43_NTAB16(8, 18), tmp);
4230                regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1);
4231                regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2);
4232                if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ)
4233                        tmp = 0x0180;
4234                else
4235                        tmp = 0x0120;
4236                b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp);
4237                b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp);
4238        }
4239}
4240
4241/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */
4242static void b43_nphy_save_cal(struct b43_wldev *dev)
4243{
4244        struct b43_phy_n *nphy = dev->phy.n;
4245
4246        struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
4247        u16 *txcal_radio_regs = NULL;
4248        struct b43_chanspec *iqcal_chanspec;
4249        u16 *table = NULL;
4250
4251        if (nphy->hang_avoid)
4252                b43_nphy_stay_in_carrier_search(dev, 1);
4253
4254        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4255                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
4256                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
4257                iqcal_chanspec = &nphy->iqcal_chanspec_2G;
4258                table = nphy->cal_cache.txcal_coeffs_2G;
4259        } else {
4260                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
4261                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
4262                iqcal_chanspec = &nphy->iqcal_chanspec_5G;
4263                table = nphy->cal_cache.txcal_coeffs_5G;
4264        }
4265
4266        b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs);
4267        /* TODO use some definitions */
4268        if (dev->phy.rev >= 3) {
4269                txcal_radio_regs[0] = b43_radio_read(dev, 0x2021);
4270                txcal_radio_regs[1] = b43_radio_read(dev, 0x2022);
4271                txcal_radio_regs[2] = b43_radio_read(dev, 0x3021);
4272                txcal_radio_regs[3] = b43_radio_read(dev, 0x3022);
4273                txcal_radio_regs[4] = b43_radio_read(dev, 0x2023);
4274                txcal_radio_regs[5] = b43_radio_read(dev, 0x2024);
4275                txcal_radio_regs[6] = b43_radio_read(dev, 0x3023);
4276                txcal_radio_regs[7] = b43_radio_read(dev, 0x3024);
4277        } else {
4278                txcal_radio_regs[0] = b43_radio_read(dev, 0x8B);
4279                txcal_radio_regs[1] = b43_radio_read(dev, 0xBA);
4280                txcal_radio_regs[2] = b43_radio_read(dev, 0x8D);
4281                txcal_radio_regs[3] = b43_radio_read(dev, 0xBC);
4282        }
4283        iqcal_chanspec->center_freq = dev->phy.channel_freq;
4284        iqcal_chanspec->channel_type = dev->phy.channel_type;
4285        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table);
4286
4287        if (nphy->hang_avoid)
4288                b43_nphy_stay_in_carrier_search(dev, 0);
4289}
4290
4291/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */
4292static void b43_nphy_restore_cal(struct b43_wldev *dev)
4293{
4294        struct b43_phy_n *nphy = dev->phy.n;
4295
4296        u16 coef[4];
4297        u16 *loft = NULL;
4298        u16 *table = NULL;
4299
4300        int i;
4301        u16 *txcal_radio_regs = NULL;
4302        struct b43_phy_n_iq_comp *rxcal_coeffs = NULL;
4303
4304        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4305                if (!nphy->iqcal_chanspec_2G.center_freq)
4306                        return;
4307                table = nphy->cal_cache.txcal_coeffs_2G;
4308                loft = &nphy->cal_cache.txcal_coeffs_2G[5];
4309        } else {
4310                if (!nphy->iqcal_chanspec_5G.center_freq)
4311                        return;
4312                table = nphy->cal_cache.txcal_coeffs_5G;
4313                loft = &nphy->cal_cache.txcal_coeffs_5G[5];
4314        }
4315
4316        b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table);
4317
4318        for (i = 0; i < 4; i++) {
4319                if (dev->phy.rev >= 3)
4320                        table[i] = coef[i];
4321                else
4322                        coef[i] = 0;
4323        }
4324
4325        b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef);
4326        b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft);
4327        b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft);
4328
4329        if (dev->phy.rev < 2)
4330                b43_nphy_tx_iq_workaround(dev);
4331
4332        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
4333                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G;
4334                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G;
4335        } else {
4336                txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G;
4337                rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G;
4338        }
4339
4340        /* TODO use some definitions */
4341        if (dev->phy.rev >= 3) {
4342                b43_radio_write(dev, 0x2021, txcal_radio_regs[0]);
4343                b43_radio_write(dev, 0x2022, txcal_radio_regs[1]);
4344                b43_radio_write(dev, 0x3021, txcal_radio_regs[2]);
4345                b43_radio_write(dev, 0x3022, txcal_radio_regs[3]);
4346                b43_radio_write(dev, 0x2023, txcal_radio_regs[4]);
4347                b43_radio_write(dev, 0x2024, txcal_radio_regs[5]);
4348                b43_radio_write(dev, 0x3023, txcal_radio_regs[6]);
4349                b43_radio_write(dev, 0x3024, txcal_radio_regs[7]);
4350        } else {
4351                b43_radio_write(dev, 0x8B, txcal_radio_regs[0]);
4352                b43_radio_write(dev, 0xBA, txcal_radio_regs[1]);
4353                b43_radio_write(dev, 0x8D, txcal_radio_regs[2]);
4354                b43_radio_write(dev, 0xBC, txcal_radio_regs[3]);
4355        }
4356        b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs);
4357}
4358
4359/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */
4360static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev,
4361                                struct nphy_txgains target,
4362                                bool full, bool mphase)
4363{
4364        struct b43_phy_n *nphy = dev->phy.n;
4365        int i;
4366        int error = 0;
4367        int freq;
4368        bool avoid = false;
4369        u8 length;
4370        u16 tmp, core, type, count, max, numb, last = 0, cmd;
4371        const u16 *table;
4372        bool phy6or5x;
4373
4374        u16 buffer[11];
4375        u16 diq_start = 0;
4376        u16 save[2];
4377        u16 gain[2];
4378        struct nphy_iqcal_params params[2];
4379        bool updated[2] = { };
4380
4381        b43_nphy_stay_in_carrier_search(dev, true);
4382
4383        if (dev->phy.rev >= 4) {
4384                avoid = nphy->hang_avoid;
4385                nphy->hang_avoid = false;
4386        }
4387
4388        b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
4389
4390        for (i = 0; i < 2; i++) {
4391                b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]);
4392                gain[i] = params[i].cal_gain;
4393        }
4394
4395        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain);
4396
4397        b43_nphy_tx_cal_radio_setup(dev);
4398        b43_nphy_tx_cal_phy_setup(dev);
4399
4400        phy6or5x = dev->phy.rev >= 6 ||
4401                (dev->phy.rev == 5 && nphy->ipa2g_on &&
4402                b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ);
4403        if (phy6or5x) {
4404                if (dev->phy.is_40mhz) {
4405                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
4406                                        tbl_tx_iqlo_cal_loft_ladder_40);
4407                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
4408                                        tbl_tx_iqlo_cal_iqimb_ladder_40);
4409                } else {
4410                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18,
4411                                        tbl_tx_iqlo_cal_loft_ladder_20);
4412                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18,
4413                                        tbl_tx_iqlo_cal_iqimb_ladder_20);
4414                }
4415        }
4416
4417        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9);
4418
4419        if (!dev->phy.is_40mhz)
4420                freq = 2500;
4421        else
4422                freq = 5000;
4423
4424        if (nphy->mphase_cal_phase_id > 2)
4425                b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8,
4426                                        0xFFFF, 0, true, false);
4427        else
4428                error = b43_nphy_tx_tone(dev, freq, 250, true, false);
4429
4430        if (error == 0) {
4431                if (nphy->mphase_cal_phase_id > 2) {
4432                        table = nphy->mphase_txcal_bestcoeffs;
4433                        length = 11;
4434                        if (dev->phy.rev < 3)
4435                                length -= 2;
4436                } else {
4437                        if (!full && nphy->txiqlocal_coeffsvalid) {
4438                                table = nphy->txiqlocal_bestc;
4439                                length = 11;
4440                                if (dev->phy.rev < 3)
4441                                        length -= 2;
4442                        } else {
4443                                full = true;
4444                                if (dev->phy.rev >= 3) {
4445                                        table = tbl_tx_iqlo_cal_startcoefs_nphyrev3;
4446                                        length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3;
4447                                } else {
4448                                        table = tbl_tx_iqlo_cal_startcoefs;
4449                                        length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS;
4450                                }
4451                        }
4452                }
4453
4454                b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table);
4455
4456                if (full) {
4457                        if (dev->phy.rev >= 3)
4458                                max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3;
4459                        else
4460                                max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL;
4461                } else {
4462                        if (dev->phy.rev >= 3)
4463                                max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3;
4464                        else
4465                                max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL;
4466                }
4467
4468                if (mphase) {
4469                        count = nphy->mphase_txcal_cmdidx;
4470                        numb = min(max,
4471                                (u16)(count + nphy->mphase_txcal_numcmds));
4472                } else {
4473                        count = 0;
4474                        numb = max;
4475                }
4476
4477                for (; count < numb; count++) {
4478                        if (full) {
4479                                if (dev->phy.rev >= 3)
4480                                        cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count];
4481                                else
4482                                        cmd = tbl_tx_iqlo_cal_cmds_fullcal[count];
4483                        } else {
4484                                if (dev->phy.rev >= 3)
4485                                        cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count];
4486                                else
4487                                        cmd = tbl_tx_iqlo_cal_cmds_recal[count];
4488                        }
4489
4490                        core = (cmd & 0x3000) >> 12;
4491                        type = (cmd & 0x0F00) >> 8;
4492
4493                        if (phy6or5x && updated[core] == 0) {
4494                                b43_nphy_update_tx_cal_ladder(dev, core);
4495                                updated[core] = true;
4496                        }
4497
4498                        tmp = (params[core].ncorr[type] << 8) | 0x66;
4499                        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp);
4500
4501                        if (type == 1 || type == 3 || type == 4) {
4502                                buffer[0] = b43_ntab_read(dev,
4503                                                B43_NTAB16(15, 69 + core));
4504                                diq_start = buffer[0];
4505                                buffer[0] = 0;
4506                                b43_ntab_write(dev, B43_NTAB16(15, 69 + core),
4507                                                0);
4508                        }
4509
4510                        b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd);
4511                        for (i = 0; i < 2000; i++) {
4512                                tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD);
4513                                if (tmp & 0xC000)
4514                                        break;
4515                                udelay(10);
4516                        }
4517
4518                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
4519                                                buffer);
4520                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length,
4521                                                buffer);
4522
4523                        if (type == 1 || type == 3 || type == 4)
4524                                buffer[0] = diq_start;
4525                }
4526
4527                if (mphase)
4528                        nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb;
4529
4530                last = (dev->phy.rev < 3) ? 6 : 7;
4531
4532                if (!mphase || nphy->mphase_cal_phase_id == last) {
4533                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer);
4534                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer);
4535                        if (dev->phy.rev < 3) {
4536                                buffer[0] = 0;
4537                                buffer[1] = 0;
4538                                buffer[2] = 0;
4539                                buffer[3] = 0;
4540                        }
4541                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
4542                                                buffer);
4543                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2,
4544                                                buffer);
4545                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
4546                                                buffer);
4547                        b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
4548                                                buffer);
4549                        length = 11;
4550                        if (dev->phy.rev < 3)
4551                                length -= 2;
4552                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
4553                                                nphy->txiqlocal_bestc);
4554                        nphy->txiqlocal_coeffsvalid = true;
4555                        nphy->txiqlocal_chanspec.center_freq =
4556                                                        dev->phy.channel_freq;
4557                        nphy->txiqlocal_chanspec.channel_type =
4558                                                        dev->phy.channel_type;
4559                } else {
4560                        length = 11;
4561                        if (dev->phy.rev < 3)
4562                                length -= 2;
4563                        b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length,
4564                                                nphy->mphase_txcal_bestcoeffs);
4565                }
4566
4567                b43_nphy_stop_playback(dev);
4568                b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0);
4569        }
4570
4571        b43_nphy_tx_cal_phy_cleanup(dev);
4572        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save);
4573
4574        if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last))
4575                b43_nphy_tx_iq_workaround(dev);
4576
4577        if (dev->phy.rev >= 4)
4578                nphy->hang_avoid = avoid;
4579
4580        b43_nphy_stay_in_carrier_search(dev, false);
4581
4582        return error;
4583}
4584
4585/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */
4586static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev)
4587{
4588        struct b43_phy_n *nphy = dev->phy.n;
4589        u8 i;
4590        u16 buffer[7];
4591        bool equal = true;
4592
4593        if (!nphy->txiqlocal_coeffsvalid ||
4594            nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq ||
4595            nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type)
4596                return;
4597
4598        b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer);
4599        for (i = 0; i < 4; i++) {
4600                if (buffer[i] != nphy->txiqlocal_bestc[i]) {
4601                        equal = false;
4602                        break;
4603                }
4604        }
4605
4606        if (!equal) {
4607                b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4,
4608                                        nphy->txiqlocal_bestc);
4609                for (i = 0; i < 4; i++)
4610                        buffer[i] = 0;
4611                b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4,
4612                                        buffer);
4613                b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2,
4614                                        &nphy->txiqlocal_bestc[5]);
4615                b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2,
4616                                        &nphy->txiqlocal_bestc[5]);
4617        }
4618}
4619
4620/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */
4621static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev,
4622                        struct nphy_txgains target, u8 type, bool debug)
4623{
4624        struct b43_phy_n *nphy = dev->phy.n;
4625        int i, j, index;
4626        u8 rfctl[2];
4627        u8 afectl_core;
4628        u16 tmp[6];
4629        u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna;
4630        u32 real, imag;
4631        enum ieee80211_band band;
4632
4633        u8 use;
4634        u16 cur_hpf;
4635        u16 lna[3] = { 3, 3, 1 };
4636        u16 hpf1[3] = { 7, 2, 0 };
4637        u16 hpf2[3] = { 2, 0, 0 };
4638        u32 power[3] = { };
4639        u16 gain_save[2];
4640        u16 cal_gain[2];
4641        struct nphy_iqcal_params cal_params[2];
4642        struct nphy_iq_est est;
4643        int ret = 0;
4644        bool playtone = true;
4645        int desired = 13;
4646
4647        b43_nphy_stay_in_carrier_search(dev, 1);
4648
4649        if (dev->phy.rev < 2)
4650                b43_nphy_reapply_tx_cal_coeffs(dev);
4651        b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4652        for (i = 0; i < 2; i++) {
4653                b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]);
4654                cal_gain[i] = cal_params[i].cal_gain;
4655        }
4656        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain);
4657
4658        for (i = 0; i < 2; i++) {
4659                if (i == 0) {
4660                        rfctl[0] = B43_NPHY_RFCTL_INTC1;
4661                        rfctl[1] = B43_NPHY_RFCTL_INTC2;
4662                        afectl_core = B43_NPHY_AFECTL_C1;
4663                } else {
4664                        rfctl[0] = B43_NPHY_RFCTL_INTC2;
4665                        rfctl[1] = B43_NPHY_RFCTL_INTC1;
4666                        afectl_core = B43_NPHY_AFECTL_C2;
4667                }
4668
4669                tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA);
4670                tmp[2] = b43_phy_read(dev, afectl_core);
4671                tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER);
4672                tmp[4] = b43_phy_read(dev, rfctl[0]);
4673                tmp[5] = b43_phy_read(dev, rfctl[1]);
4674
4675                b43_phy_maskset(dev, B43_NPHY_RFSEQCA,
4676                                ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF,
4677                                ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT));
4678                b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN,
4679                                (1 - i));
4680                b43_phy_set(dev, afectl_core, 0x0006);
4681                b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006);
4682
4683                band = b43_current_band(dev->wl);
4684
4685                if (nphy->rxcalparams & 0xFF000000) {
4686                        if (band == IEEE80211_BAND_5GHZ)
4687                                b43_phy_write(dev, rfctl[0], 0x140);
4688                        else
4689                                b43_phy_write(dev, rfctl[0], 0x110);
4690                } else {
4691                        if (band == IEEE80211_BAND_5GHZ)
4692                                b43_phy_write(dev, rfctl[0], 0x180);
4693                        else
4694                                b43_phy_write(dev, rfctl[0], 0x120);
4695                }
4696
4697                if (band == IEEE80211_BAND_5GHZ)
4698                        b43_phy_write(dev, rfctl[1], 0x148);
4699                else
4700                        b43_phy_write(dev, rfctl[1], 0x114);
4701
4702                if (nphy->rxcalparams & 0x10000) {
4703                        b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC,
4704                                        (i + 1));
4705                        b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC,
4706                                        (2 - i));
4707                }
4708
4709                for (j = 0; j < 4; j++) {
4710                        if (j < 3) {
4711                                cur_lna = lna[j];
4712                                cur_hpf1 = hpf1[j];
4713                                cur_hpf2 = hpf2[j];
4714                        } else {
4715                                if (power[1] > 10000) {
4716                                        use = 1;
4717                                        cur_hpf = cur_hpf1;
4718                                        index = 2;
4719                                } else {
4720                                        if (power[0] > 10000) {
4721                                                use = 1;
4722                                                cur_hpf = cur_hpf1;
4723                                                index = 1;
4724                                        } else {
4725                                                index = 0;
4726                                                use = 2;
4727                                                cur_hpf = cur_hpf2;
4728                                        }
4729                                }
4730                                cur_lna = lna[index];
4731                                cur_hpf1 = hpf1[index];
4732                                cur_hpf2 = hpf2[index];
4733                                cur_hpf += desired - hweight32(power[index]);
4734                                cur_hpf = clamp_val(cur_hpf, 0, 10);
4735                                if (use == 1)
4736                                        cur_hpf1 = cur_hpf;
4737                                else
4738                                        cur_hpf2 = cur_hpf;
4739                        }
4740
4741                        tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) |
4742                                        (cur_lna << 2));
4743                        b43_nphy_rf_ctl_override(dev, 0x400, tmp[0], 3,
4744                                                                        false);
4745                        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4746                        b43_nphy_stop_playback(dev);
4747
4748                        if (playtone) {
4749                                ret = b43_nphy_tx_tone(dev, 4000,
4750                                                (nphy->rxcalparams & 0xFFFF),
4751                                                false, false);
4752                                playtone = false;
4753                        } else {
4754                                b43_nphy_run_samples(dev, 160, 0xFFFF, 0,
4755                                                        false, false);
4756                        }
4757
4758                        if (ret == 0) {
4759                                if (j < 3) {
4760                                        b43_nphy_rx_iq_est(dev, &est, 1024, 32,
4761                                                                        false);
4762                                        if (i == 0) {
4763                                                real = est.i0_pwr;
4764                                                imag = est.q0_pwr;
4765                                        } else {
4766                                                real = est.i1_pwr;
4767                                                imag = est.q1_pwr;
4768                                        }
4769                                        power[i] = ((real + imag) / 1024) + 1;
4770                                } else {
4771                                        b43_nphy_calc_rx_iq_comp(dev, 1 << i);
4772                                }
4773                                b43_nphy_stop_playback(dev);
4774                        }
4775
4776                        if (ret != 0)
4777                                break;
4778                }
4779
4780                b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC);
4781                b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC);
4782                b43_phy_write(dev, rfctl[1], tmp[5]);
4783                b43_phy_write(dev, rfctl[0], tmp[4]);
4784                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]);
4785                b43_phy_write(dev, afectl_core, tmp[2]);
4786                b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]);
4787
4788                if (ret != 0)
4789                        break;
4790        }
4791
4792        b43_nphy_rf_ctl_override(dev, 0x400, 0, 3, true);
4793        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4794        b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save);
4795
4796        b43_nphy_stay_in_carrier_search(dev, 0);
4797
4798        return ret;
4799}
4800
4801static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev,
4802                        struct nphy_txgains target, u8 type, bool debug)
4803{
4804        return -1;
4805}
4806
4807/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */
4808static int b43_nphy_cal_rx_iq(struct b43_wldev *dev,
4809                        struct nphy_txgains target, u8 type, bool debug)
4810{
4811        if (dev->phy.rev >= 3)
4812                return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug);
4813        else
4814                return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug);
4815}
4816
4817/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */
4818static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask)
4819{
4820        struct b43_phy *phy = &dev->phy;
4821        struct b43_phy_n *nphy = phy->n;
4822        /* u16 buf[16]; it's rev3+ */
4823
4824        nphy->phyrxchain = mask;
4825
4826        if (0 /* FIXME clk */)
4827                return;
4828
4829        b43_mac_suspend(dev);
4830
4831        if (nphy->hang_avoid)
4832                b43_nphy_stay_in_carrier_search(dev, true);
4833
4834        b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN,
4835                        (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT);
4836
4837        if ((mask & 0x3) != 0x3) {
4838                b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1);
4839                if (dev->phy.rev >= 3) {
4840                        /* TODO */
4841                }
4842        } else {
4843                b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E);
4844                if (dev->phy.rev >= 3) {
4845                        /* TODO */
4846                }
4847        }
4848
4849        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
4850
4851        if (nphy->hang_avoid)
4852                b43_nphy_stay_in_carrier_search(dev, false);
4853
4854        b43_mac_enable(dev);
4855}
4856
4857/**************************************************
4858 * N-PHY init
4859 **************************************************/
4860
4861/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */
4862static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble)
4863{
4864        u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG);
4865
4866        mimocfg |= B43_NPHY_MIMOCFG_AUTO;
4867        if (preamble == 1)
4868                mimocfg |= B43_NPHY_MIMOCFG_GFMIX;
4869        else
4870                mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX;
4871
4872        b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg);
4873}
4874
4875/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */
4876static void b43_nphy_bphy_init(struct b43_wldev *dev)
4877{
4878        unsigned int i;
4879        u16 val;
4880
4881        val = 0x1E1F;
4882        for (i = 0; i < 16; i++) {
4883                b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
4884                val -= 0x202;
4885        }
4886        val = 0x3E3F;
4887        for (i = 0; i < 16; i++) {
4888                b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
4889                val -= 0x202;
4890        }
4891        b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
4892}
4893
4894/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */
4895static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init)
4896{
4897        if (dev->phy.rev >= 3) {
4898                if (!init)
4899                        return;
4900                if (0 /* FIXME */) {
4901                        b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211);
4902                        b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222);
4903                        b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144);
4904                        b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188);
4905                }
4906        } else {
4907                b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0);
4908                b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0);
4909
4910                switch (dev->dev->bus_type) {
4911#ifdef CONFIG_B43_BCMA
4912                case B43_BUS_BCMA:
4913                        bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc,
4914                                                 0xFC00, 0xFC00);
4915                        break;
4916#endif
4917#ifdef CONFIG_B43_SSB
4918                case B43_BUS_SSB:
4919                        ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco,
4920                                                0xFC00, 0xFC00);
4921                        break;
4922#endif
4923                }
4924
4925                b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0);
4926                b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00);
4927                b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF),
4928                              0);
4929
4930                if (init) {
4931                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8);
4932                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301);
4933                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8);
4934                        b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301);
4935                }
4936        }
4937}
4938
4939/* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */
4940static int b43_phy_initn(struct b43_wldev *dev)
4941{
4942        struct ssb_sprom *sprom = dev->dev->bus_sprom;
4943        struct b43_phy *phy = &dev->phy;
4944        struct b43_phy_n *nphy = phy->n;
4945        u8 tx_pwr_state;
4946        struct nphy_txgains target;
4947        u16 tmp;
4948        enum ieee80211_band tmp2;
4949        bool do_rssi_cal;
4950
4951        u16 clip[2];
4952        bool do_cal = false;
4953
4954        if ((dev->phy.rev >= 3) &&
4955           (sprom->boardflags_lo & B43_BFL_EXTLNA) &&
4956           (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) {
4957                switch (dev->dev->bus_type) {
4958#ifdef CONFIG_B43_BCMA
4959                case B43_BUS_BCMA:
4960                        bcma_cc_set32(&dev->dev->bdev->bus->drv_cc,
4961                                      BCMA_CC_CHIPCTL, 0x40);
4962                        break;
4963#endif
4964#ifdef CONFIG_B43_SSB
4965                case B43_BUS_SSB:
4966                        chipco_set32(&dev->dev->sdev->bus->chipco,
4967                                     SSB_CHIPCO_CHIPCTL, 0x40);
4968                        break;
4969#endif
4970                }
4971        }
4972        nphy->deaf_count = 0;
4973        b43_nphy_tables_init(dev);
4974        nphy->crsminpwr_adjusted = false;
4975        nphy->noisevars_adjusted = false;
4976
4977        /* Clear all overrides */
4978        if (dev->phy.rev >= 3) {
4979                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0);
4980                b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
4981                b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0);
4982                b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0);
4983        } else {
4984                b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0);
4985        }
4986        b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0);
4987        b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0);
4988        if (dev->phy.rev < 6) {
4989                b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0);
4990                b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0);
4991        }
4992        b43_phy_mask(dev, B43_NPHY_RFSEQMODE,
4993                     ~(B43_NPHY_RFSEQMODE_CAOVER |
4994                       B43_NPHY_RFSEQMODE_TROVER));
4995        if (dev->phy.rev >= 3)
4996                b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0);
4997        b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0);
4998
4999        if (dev->phy.rev <= 2) {
5000                tmp = (dev->phy.rev == 2) ? 0x3B : 0x40;
5001                b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3,
5002                                ~B43_NPHY_BPHY_CTL3_SCALE,
5003                                tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT);
5004        }
5005        b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20);
5006        b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20);
5007
5008        if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD ||
5009            (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
5010             dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93))
5011                b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0);
5012        else
5013                b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8);
5014        b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8);
5015        b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50);
5016        b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30);
5017
5018        b43_nphy_update_mimo_config(dev, nphy->preamble_override);
5019        b43_nphy_update_txrx_chain(dev);
5020
5021        if (phy->rev < 2) {
5022                b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8);
5023                b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4);
5024        }
5025
5026        tmp2 = b43_current_band(dev->wl);
5027        if (b43_nphy_ipa(dev)) {
5028                b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1);
5029                b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F,
5030                                nphy->papd_epsilon_offset[0] << 7);
5031                b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1);
5032                b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F,
5033                                nphy->papd_epsilon_offset[1] << 7);
5034                b43_nphy_int_pa_set_tx_dig_filters(dev);
5035        } else if (phy->rev >= 5) {
5036                b43_nphy_ext_pa_set_tx_dig_filters(dev);
5037        }
5038
5039        b43_nphy_workarounds(dev);
5040
5041        /* Reset CCA, in init code it differs a little from standard way */
5042        b43_phy_force_clock(dev, 1);
5043        tmp = b43_phy_read(dev, B43_NPHY_BBCFG);
5044        b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA);
5045        b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA);
5046        b43_phy_force_clock(dev, 0);
5047
5048        b43_mac_phy_clock_set(dev, true);
5049
5050        b43_nphy_pa_override(dev, false);
5051        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX);
5052        b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX);
5053        b43_nphy_pa_override(dev, true);
5054
5055        b43_nphy_classifier(dev, 0, 0);
5056        b43_nphy_read_clip_detection(dev, clip);
5057        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5058                b43_nphy_bphy_init(dev);
5059
5060        tx_pwr_state = nphy->txpwrctrl;
5061        b43_nphy_tx_power_ctrl(dev, false);
5062        b43_nphy_tx_power_fix(dev);
5063        b43_nphy_tx_power_ctl_idle_tssi(dev);
5064        b43_nphy_tx_power_ctl_setup(dev);
5065        b43_nphy_tx_gain_table_upload(dev);
5066
5067        if (nphy->phyrxchain != 3)
5068                b43_nphy_set_rx_core_state(dev, nphy->phyrxchain);
5069        if (nphy->mphase_cal_phase_id > 0)
5070                ;/* TODO PHY Periodic Calibration Multi-Phase Restart */
5071
5072        do_rssi_cal = false;
5073        if (phy->rev >= 3) {
5074                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5075                        do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq;
5076                else
5077                        do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq;
5078
5079                if (do_rssi_cal)
5080                        b43_nphy_rssi_cal(dev);
5081                else
5082                        b43_nphy_restore_rssi_cal(dev);
5083        } else {
5084                b43_nphy_rssi_cal(dev);
5085        }
5086
5087        if (!((nphy->measure_hold & 0x6) != 0)) {
5088                if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5089                        do_cal = !nphy->iqcal_chanspec_2G.center_freq;
5090                else
5091                        do_cal = !nphy->iqcal_chanspec_5G.center_freq;
5092
5093                if (nphy->mute)
5094                        do_cal = false;
5095
5096                if (do_cal) {
5097                        target = b43_nphy_get_tx_gains(dev);
5098
5099                        if (nphy->antsel_type == 2)
5100                                b43_nphy_superswitch_init(dev, true);
5101                        if (nphy->perical != 2) {
5102                                b43_nphy_rssi_cal(dev);
5103                                if (phy->rev >= 3) {
5104                                        nphy->cal_orig_pwr_idx[0] =
5105                                            nphy->txpwrindex[0].index_internal;
5106                                        nphy->cal_orig_pwr_idx[1] =
5107                                            nphy->txpwrindex[1].index_internal;
5108                                        /* TODO N PHY Pre Calibrate TX Gain */
5109                                        target = b43_nphy_get_tx_gains(dev);
5110                                }
5111                                if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false))
5112                                        if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0)
5113                                                b43_nphy_save_cal(dev);
5114                        } else if (nphy->mphase_cal_phase_id == 0)
5115                                ;/* N PHY Periodic Calibration with arg 3 */
5116                } else {
5117                        b43_nphy_restore_cal(dev);
5118                }
5119        }
5120
5121        b43_nphy_tx_pwr_ctrl_coef_setup(dev);
5122        b43_nphy_tx_power_ctrl(dev, tx_pwr_state);
5123        b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015);
5124        b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320);
5125        if (phy->rev >= 3 && phy->rev <= 6)
5126                b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014);
5127        b43_nphy_tx_lp_fbw(dev);
5128        if (phy->rev >= 3)
5129                b43_nphy_spur_workaround(dev);
5130
5131        return 0;
5132}
5133
5134/**************************************************
5135 * Channel switching ops.
5136 **************************************************/
5137
5138static void b43_chantab_phy_upload(struct b43_wldev *dev,
5139                                   const struct b43_phy_n_sfo_cfg *e)
5140{
5141        b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a);
5142        b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2);
5143        b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3);
5144        b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4);
5145        b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5);
5146        b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6);
5147}
5148
5149/* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */
5150static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid)
5151{
5152        switch (dev->dev->bus_type) {
5153#ifdef CONFIG_B43_BCMA
5154        case B43_BUS_BCMA:
5155                bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc,
5156                                             avoid);
5157                break;
5158#endif
5159#ifdef CONFIG_B43_SSB
5160        case B43_BUS_SSB:
5161                ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco,
5162                                            avoid);
5163                break;
5164#endif
5165        }
5166}
5167
5168/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */
5169static void b43_nphy_channel_setup(struct b43_wldev *dev,
5170                                const struct b43_phy_n_sfo_cfg *e,
5171                                struct ieee80211_channel *new_channel)
5172{
5173        struct b43_phy *phy = &dev->phy;
5174        struct b43_phy_n *nphy = dev->phy.n;
5175        int ch = new_channel->hw_value;
5176
5177        u16 old_band_5ghz;
5178        u32 tmp32;
5179
5180        old_band_5ghz =
5181                b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ;
5182        if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
5183                tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
5184                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
5185                b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000);
5186                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
5187                b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ);
5188        } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
5189                b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ);
5190                tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR);
5191                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4);
5192                b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF);
5193                b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32);
5194        }
5195
5196        b43_chantab_phy_upload(dev, e);
5197
5198        if (new_channel->hw_value == 14) {
5199                b43_nphy_classifier(dev, 2, 0);
5200                b43_phy_set(dev, B43_PHY_B_TEST, 0x0800);
5201        } else {
5202                b43_nphy_classifier(dev, 2, 2);
5203                if (new_channel->band == IEEE80211_BAND_2GHZ)
5204                        b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840);
5205        }
5206
5207        if (!nphy->txpwrctrl)
5208                b43_nphy_tx_power_fix(dev);
5209
5210        if (dev->phy.rev < 3)
5211                b43_nphy_adjust_lna_gain_table(dev);
5212
5213        b43_nphy_tx_lp_fbw(dev);
5214
5215        if (dev->phy.rev >= 3 &&
5216            dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) {
5217                bool avoid = false;
5218                if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) {
5219                        avoid = true;
5220                } else if (!b43_channel_type_is_40mhz(phy->channel_type)) {
5221                        if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14)
5222                                avoid = true;
5223                } else { /* 40MHz */
5224                        if (nphy->aband_spurwar_en &&
5225                            (ch == 38 || ch == 102 || ch == 118))
5226                                avoid = dev->dev->chip_id == 0x4716;
5227                }
5228
5229                b43_nphy_pmu_spur_avoid(dev, avoid);
5230
5231                if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 ||
5232                    dev->dev->chip_id == 43225) {
5233                        b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW,
5234                                    avoid ? 0x5341 : 0x8889);
5235                        b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8);
5236                }
5237
5238                if (dev->phy.rev == 3 || dev->phy.rev == 4)
5239                        ; /* TODO: reset PLL */
5240
5241                if (avoid)
5242                        b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX);
5243                else
5244                        b43_phy_mask(dev, B43_NPHY_BBCFG,
5245                                     ~B43_NPHY_BBCFG_RSTRX & 0xFFFF);
5246
5247                b43_nphy_reset_cca(dev);
5248
5249                /* wl sets useless phy_isspuravoid here */
5250        }
5251
5252        b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830);
5253
5254        if (phy->rev >= 3)
5255                b43_nphy_spur_workaround(dev);
5256}
5257
5258/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */
5259static int b43_nphy_set_channel(struct b43_wldev *dev,
5260                                struct ieee80211_channel *channel,
5261                                enum nl80211_channel_type channel_type)
5262{
5263        struct b43_phy *phy = &dev->phy;
5264
5265        const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL;
5266        const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL;
5267
5268        u8 tmp;
5269
5270        if (dev->phy.rev >= 3) {
5271                tabent_r3 = b43_nphy_get_chantabent_rev3(dev,
5272                                                        channel->center_freq);
5273                if (!tabent_r3)
5274                        return -ESRCH;
5275        } else {
5276                tabent_r2 = b43_nphy_get_chantabent_rev2(dev,
5277                                                        channel->hw_value);
5278                if (!tabent_r2)
5279                        return -ESRCH;
5280        }
5281
5282        /* Channel is set later in common code, but we need to set it on our
5283           own to let this function's subcalls work properly. */
5284        phy->channel = channel->hw_value;
5285        phy->channel_freq = channel->center_freq;
5286
5287        if (b43_channel_type_is_40mhz(phy->channel_type) !=
5288                b43_channel_type_is_40mhz(channel_type))
5289                ; /* TODO: BMAC BW Set (channel_type) */
5290
5291        if (channel_type == NL80211_CHAN_HT40PLUS)
5292                b43_phy_set(dev, B43_NPHY_RXCTL,
5293                                B43_NPHY_RXCTL_BSELU20);
5294        else if (channel_type == NL80211_CHAN_HT40MINUS)
5295                b43_phy_mask(dev, B43_NPHY_RXCTL,
5296                                ~B43_NPHY_RXCTL_BSELU20);
5297
5298        if (dev->phy.rev >= 3) {
5299                tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0;
5300                b43_radio_maskset(dev, 0x08, 0xFFFB, tmp);
5301                b43_radio_2056_setup(dev, tabent_r3);
5302                b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel);
5303        } else {
5304                tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050;
5305                b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp);
5306                b43_radio_2055_setup(dev, tabent_r2);
5307                b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel);
5308        }
5309
5310        return 0;
5311}
5312
5313/**************************************************
5314 * Basic PHY ops.
5315 **************************************************/
5316
5317static int b43_nphy_op_allocate(struct b43_wldev *dev)
5318{
5319        struct b43_phy_n *nphy;
5320
5321        nphy = kzalloc(sizeof(*nphy), GFP_KERNEL);
5322        if (!nphy)
5323                return -ENOMEM;
5324        dev->phy.n = nphy;
5325
5326        return 0;
5327}
5328
5329static void b43_nphy_op_prepare_structs(struct b43_wldev *dev)
5330{
5331        struct b43_phy *phy = &dev->phy;
5332        struct b43_phy_n *nphy = phy->n;
5333        struct ssb_sprom *sprom = dev->dev->bus_sprom;
5334
5335        memset(nphy, 0, sizeof(*nphy));
5336
5337        nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4);
5338        nphy->spur_avoid = (phy->rev >= 3) ?
5339                                B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE;
5340        nphy->init_por = true;
5341        nphy->gain_boost = true; /* this way we follow wl, assume it is true */
5342        nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */
5343        nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */
5344        nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */
5345        /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is
5346         * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */
5347        nphy->tx_pwr_idx[0] = 128;
5348        nphy->tx_pwr_idx[1] = 128;
5349
5350        /* Hardware TX power control and 5GHz power gain */
5351        nphy->txpwrctrl = false;
5352        nphy->pwg_gain_5ghz = false;
5353        if (dev->phy.rev >= 3 ||
5354            (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE &&
5355             (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) {
5356                nphy->txpwrctrl = true;
5357                nphy->pwg_gain_5ghz = true;
5358        } else if (sprom->revision >= 4) {
5359                if (dev->phy.rev >= 2 &&
5360                    (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) {
5361                        nphy->txpwrctrl = true;
5362#ifdef CONFIG_B43_SSB
5363                        if (dev->dev->bus_type == B43_BUS_SSB &&
5364                            dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) {
5365                                struct pci_dev *pdev =
5366                                        dev->dev->sdev->bus->host_pci;
5367                                if (pdev->device == 0x4328 ||
5368                                    pdev->device == 0x432a)
5369                                        nphy->pwg_gain_5ghz = true;
5370                        }
5371#endif
5372                } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) {
5373                        nphy->pwg_gain_5ghz = true;
5374                }
5375        }
5376
5377        if (dev->phy.rev >= 3) {
5378                nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2;
5379                nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2;
5380        }
5381
5382        nphy->init_por = true;
5383}
5384
5385static void b43_nphy_op_free(struct b43_wldev *dev)
5386{
5387        struct b43_phy *phy = &dev->phy;
5388        struct b43_phy_n *nphy = phy->n;
5389
5390        kfree(nphy);
5391        phy->n = NULL;
5392}
5393
5394static int b43_nphy_op_init(struct b43_wldev *dev)
5395{
5396        return b43_phy_initn(dev);
5397}
5398
5399static inline void check_phyreg(struct b43_wldev *dev, u16 offset)
5400{
5401#if B43_DEBUG
5402        if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) {
5403                /* OFDM registers are onnly available on A/G-PHYs */
5404                b43err(dev->wl, "Invalid OFDM PHY access at "
5405                       "0x%04X on N-PHY\n", offset);
5406                dump_stack();
5407        }
5408        if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) {
5409                /* Ext-G registers are only available on G-PHYs */
5410                b43err(dev->wl, "Invalid EXT-G PHY access at "
5411                       "0x%04X on N-PHY\n", offset);
5412                dump_stack();
5413        }
5414#endif /* B43_DEBUG */
5415}
5416
5417static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg)
5418{
5419        check_phyreg(dev, reg);
5420        b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
5421        return b43_read16(dev, B43_MMIO_PHY_DATA);
5422}
5423
5424static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value)
5425{
5426        check_phyreg(dev, reg);
5427        b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
5428        b43_write16(dev, B43_MMIO_PHY_DATA, value);
5429}
5430
5431static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
5432                                 u16 set)
5433{
5434        check_phyreg(dev, reg);
5435        b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
5436        b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set);
5437}
5438
5439static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg)
5440{
5441        /* Register 1 is a 32-bit register. */
5442        B43_WARN_ON(reg == 1);
5443        /* N-PHY needs 0x100 for read access */
5444        reg |= 0x100;
5445
5446        b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
5447        return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
5448}
5449
5450static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value)
5451{
5452        /* Register 1 is a 32-bit register. */
5453        B43_WARN_ON(reg == 1);
5454
5455        b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg);
5456        b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value);
5457}
5458
5459/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
5460static void b43_nphy_op_software_rfkill(struct b43_wldev *dev,
5461                                        bool blocked)
5462{
5463        if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
5464                b43err(dev->wl, "MAC not suspended\n");
5465
5466        if (blocked) {
5467                b43_phy_mask(dev, B43_NPHY_RFCTL_CMD,
5468                                ~B43_NPHY_RFCTL_CMD_CHIP0PU);
5469                if (dev->phy.rev >= 7) {
5470                        /* TODO */
5471                } else if (dev->phy.rev >= 3) {
5472                        b43_radio_mask(dev, 0x09, ~0x2);
5473
5474                        b43_radio_write(dev, 0x204D, 0);
5475                        b43_radio_write(dev, 0x2053, 0);
5476                        b43_radio_write(dev, 0x2058, 0);
5477                        b43_radio_write(dev, 0x205E, 0);
5478                        b43_radio_mask(dev, 0x2062, ~0xF0);
5479                        b43_radio_write(dev, 0x2064, 0);
5480
5481                        b43_radio_write(dev, 0x304D, 0);
5482                        b43_radio_write(dev, 0x3053, 0);
5483                        b43_radio_write(dev, 0x3058, 0);
5484                        b43_radio_write(dev, 0x305E, 0);
5485                        b43_radio_mask(dev, 0x3062, ~0xF0);
5486                        b43_radio_write(dev, 0x3064, 0);
5487                }
5488        } else {
5489                if (dev->phy.rev >= 7) {
5490                        b43_radio_2057_init(dev);
5491                        b43_switch_channel(dev, dev->phy.channel);
5492                } else if (dev->phy.rev >= 3) {
5493                        b43_radio_init2056(dev);
5494                        b43_switch_channel(dev, dev->phy.channel);
5495                } else {
5496                        b43_radio_init2055(dev);
5497                }
5498        }
5499}
5500
5501/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */
5502static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on)
5503{
5504        u16 override = on ? 0x0 : 0x7FFF;
5505        u16 core = on ? 0xD : 0x00FD;
5506
5507        if (dev->phy.rev >= 3) {
5508                if (on) {
5509                        b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
5510                        b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
5511                        b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
5512                        b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
5513                } else {
5514                        b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override);
5515                        b43_phy_write(dev, B43_NPHY_AFECTL_C1, core);
5516                        b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
5517                        b43_phy_write(dev, B43_NPHY_AFECTL_C2, core);
5518                }
5519        } else {
5520                b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override);
5521        }
5522}
5523
5524static int b43_nphy_op_switch_channel(struct b43_wldev *dev,
5525                                      unsigned int new_channel)
5526{
5527        struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
5528        enum nl80211_channel_type channel_type =
5529                cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
5530
5531        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
5532                if ((new_channel < 1) || (new_channel > 14))
5533                        return -EINVAL;
5534        } else {
5535                if (new_channel > 200)
5536                        return -EINVAL;
5537        }
5538
5539        return b43_nphy_set_channel(dev, channel, channel_type);
5540}
5541
5542static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev)
5543{
5544        if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
5545                return 1;
5546        return 36;
5547}
5548
5549const struct b43_phy_operations b43_phyops_n = {
5550        .allocate               = b43_nphy_op_allocate,
5551        .free                   = b43_nphy_op_free,
5552        .prepare_structs        = b43_nphy_op_prepare_structs,
5553        .init                   = b43_nphy_op_init,
5554        .phy_read               = b43_nphy_op_read,
5555        .phy_write              = b43_nphy_op_write,
5556        .phy_maskset            = b43_nphy_op_maskset,
5557        .radio_read             = b43_nphy_op_radio_read,
5558        .radio_write            = b43_nphy_op_radio_write,
5559        .software_rfkill        = b43_nphy_op_software_rfkill,
5560        .switch_analog          = b43_nphy_op_switch_analog,
5561        .switch_channel         = b43_nphy_op_switch_channel,
5562        .get_default_chan       = b43_nphy_op_get_default_chan,
5563        .recalc_txpower         = b43_nphy_op_recalc_txpower,
5564        .adjust_txpower         = b43_nphy_op_adjust_txpower,
5565};
5566