drivers/net/wireless/b43/phy.c

   1 /*
   2
   3   Broadcom B43 wireless driver
   4
   5   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
   6   Copyright (c) 2005, 2006 Stefano Brivio <st3@riseup.net>
   7   Copyright (c) 2005, 2006 Michael Buesch <mb@bu3sch.de>
   8   Copyright (c) 2005, 2006 Danny van Dyk <kugelfang@gentoo.org>
   9   Copyright (c) 2005, 2006 Andreas Jaggi <andreas.jaggi@waterwave.ch>
  10
  11   This program is free software; you can redistribute it and/or modify
  12   it under the terms of the GNU General Public License as published by
  13   the Free Software Foundation; either version 2 of the License, or
  14   (at your option) any later version.
  15
  16   This program is distributed in the hope that it will be useful,
  17   but WITHOUT ANY WARRANTY; without even the implied warranty of
  18   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19   GNU General Public License for more details.
  20
  21   You should have received a copy of the GNU General Public License
  22   along with this program; see the file COPYING.  If not, write to
  23   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  24   Boston, MA 02110-1301, USA.
  25
  26 */
  27
  28 #include <linux/delay.h>
  29 #include <linux/io.h>
  30 #include <linux/types.h>
  31
  32 #include "b43.h"
  33 #include "phy.h"
  34 #include "main.h"
  35 #include "tables.h"
  36 #include "lo.h"
  37
  38 static const s8 b43_tssi2dbm_b_table[] = {
  39         0x4D, 0x4C, 0x4B, 0x4A,
  40         0x4A, 0x49, 0x48, 0x47,
  41         0x47, 0x46, 0x45, 0x45,
  42         0x44, 0x43, 0x42, 0x42,
  43         0x41, 0x40, 0x3F, 0x3E,
  44         0x3D, 0x3C, 0x3B, 0x3A,
  45         0x39, 0x38, 0x37, 0x36,
  46         0x35, 0x34, 0x32, 0x31,
  47         0x30, 0x2F, 0x2D, 0x2C,
  48         0x2B, 0x29, 0x28, 0x26,
  49         0x25, 0x23, 0x21, 0x1F,
  50         0x1D, 0x1A, 0x17, 0x14,
  51         0x10, 0x0C, 0x06, 0x00,
  52         -7, -7, -7, -7,
  53         -7, -7, -7, -7,
  54         -7, -7, -7, -7,
  55 };
  56
  57 static const s8 b43_tssi2dbm_g_table[] = {
  58         77, 77, 77, 76,
  59         76, 76, 75, 75,
  60         74, 74, 73, 73,
  61         73, 72, 72, 71,
  62         71, 70, 70, 69,
  63         68, 68, 67, 67,
  64         66, 65, 65, 64,
  65         63, 63, 62, 61,
  66         60, 59, 58, 57,
  67         56, 55, 54, 53,
  68         52, 50, 49, 47,
  69         45, 43, 40, 37,
  70         33, 28, 22, 14,
  71         5, -7, -20, -20,
  72         -20, -20, -20, -20,
  73         -20, -20, -20, -20,
  74 };
  75
  76 const u8 b43_radio_channel_codes_bg[] = {
  77         12, 17, 22, 27,
  78         32, 37, 42, 47,
  79         52, 57, 62, 67,
  80         72, 84,
  81 };
  82
  83 static void b43_phy_initg(struct b43_wldev *dev);
  84
  85 /* Reverse the bits of a 4bit value.
  86  * Example:  1101 is flipped 1011
  87  */
  88 static u16 flip_4bit(u16 value)
  89 {
  90         u16 flipped = 0x0000;
  91
  92         B43_WARN_ON(value & ~0x000F);
  93
  94         flipped |= (value & 0x0001) << 3;
  95         flipped |= (value & 0x0002) << 1;
  96         flipped |= (value & 0x0004) >> 1;
  97         flipped |= (value & 0x0008) >> 3;
  98
  99         return flipped;
 100 }
 101
 102 static void generate_rfatt_list(struct b43_wldev *dev,
 103                                 struct b43_rfatt_list *list)
 104 {
 105         struct b43_phy *phy = &dev->phy;
 106
 107         /* APHY.rev < 5 || GPHY.rev < 6 */
 108         static const struct b43_rfatt rfatt_0[] = {
 109                 {.att = 3,.with_padmix = 0,},
 110                 {.att = 1,.with_padmix = 0,},
 111                 {.att = 5,.with_padmix = 0,},
 112                 {.att = 7,.with_padmix = 0,},
 113                 {.att = 9,.with_padmix = 0,},
 114                 {.att = 2,.with_padmix = 0,},
 115                 {.att = 0,.with_padmix = 0,},
 116                 {.att = 4,.with_padmix = 0,},
 117                 {.att = 6,.with_padmix = 0,},
 118                 {.att = 8,.with_padmix = 0,},
 119                 {.att = 1,.with_padmix = 1,},
 120                 {.att = 2,.with_padmix = 1,},
 121                 {.att = 3,.with_padmix = 1,},
 122                 {.att = 4,.with_padmix = 1,},
 123         };
 124         /* Radio.rev == 8 && Radio.version == 0x2050 */
 125         static const struct b43_rfatt rfatt_1[] = {
 126                 {.att = 2,.with_padmix = 1,},
 127                 {.att = 4,.with_padmix = 1,},
 128                 {.att = 6,.with_padmix = 1,},
 129                 {.att = 8,.with_padmix = 1,},
 130                 {.att = 10,.with_padmix = 1,},
 131                 {.att = 12,.with_padmix = 1,},
 132                 {.att = 14,.with_padmix = 1,},
 133         };
 134         /* Otherwise */
 135         static const struct b43_rfatt rfatt_2[] = {
 136                 {.att = 0,.with_padmix = 1,},
 137                 {.att = 2,.with_padmix = 1,},
 138                 {.att = 4,.with_padmix = 1,},
 139                 {.att = 6,.with_padmix = 1,},
 140                 {.att = 8,.with_padmix = 1,},
 141                 {.att = 9,.with_padmix = 1,},
 142                 {.att = 9,.with_padmix = 1,},
 143         };
 144
 145         if ((phy->type == B43_PHYTYPE_A && phy->rev < 5) ||
 146             (phy->type == B43_PHYTYPE_G && phy->rev < 6)) {
 147                 /* Software pctl */
 148                 list->list = rfatt_0;
 149                 list->len = ARRAY_SIZE(rfatt_0);
 150                 list->min_val = 0;
 151                 list->max_val = 9;
 152                 return;
 153         }
 154         if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
 155                 /* Hardware pctl */
 156                 list->list = rfatt_1;
 157                 list->len = ARRAY_SIZE(rfatt_1);
 158                 list->min_val = 2;
 159                 list->max_val = 14;
 160                 return;
 161         }
 162         /* Hardware pctl */
 163         list->list = rfatt_2;
 164         list->len = ARRAY_SIZE(rfatt_2);
 165         list->min_val = 0;
 166         list->max_val = 9;
 167 }
 168
 169 static void generate_bbatt_list(struct b43_wldev *dev,
 170                                 struct b43_bbatt_list *list)
 171 {
 172         static const struct b43_bbatt bbatt_0[] = {
 173                 {.att = 0,},
 174                 {.att = 1,},
 175                 {.att = 2,},
 176                 {.att = 3,},
 177                 {.att = 4,},
 178                 {.att = 5,},
 179                 {.att = 6,},
 180                 {.att = 7,},
 181                 {.att = 8,},
 182         };
 183
 184         list->list = bbatt_0;
 185         list->len = ARRAY_SIZE(bbatt_0);
 186         list->min_val = 0;
 187         list->max_val = 8;
 188 }
 189
 190 bool b43_has_hardware_pctl(struct b43_phy *phy)
 191 {
 192         if (!phy->hardware_power_control)
 193                 return 0;
 194         switch (phy->type) {
 195         case B43_PHYTYPE_A:
 196                 if (phy->rev >= 5)
 197                         return 1;
 198                 break;
 199         case B43_PHYTYPE_G:
 200                 if (phy->rev >= 6)
 201                         return 1;
 202                 break;
 203         default:
 204                 B43_WARN_ON(1);
 205         }
 206         return 0;
 207 }
 208
 209 static void b43_shm_clear_tssi(struct b43_wldev *dev)
 210 {
 211         struct b43_phy *phy = &dev->phy;
 212
 213         switch (phy->type) {
 214         case B43_PHYTYPE_A:
 215                 b43_shm_write16(dev, B43_SHM_SHARED, 0x0068, 0x7F7F);
 216                 b43_shm_write16(dev, B43_SHM_SHARED, 0x006a, 0x7F7F);
 217                 break;
 218         case B43_PHYTYPE_B:
 219         case B43_PHYTYPE_G:
 220                 b43_shm_write16(dev, B43_SHM_SHARED, 0x0058, 0x7F7F);
 221                 b43_shm_write16(dev, B43_SHM_SHARED, 0x005a, 0x7F7F);
 222                 b43_shm_write16(dev, B43_SHM_SHARED, 0x0070, 0x7F7F);
 223                 b43_shm_write16(dev, B43_SHM_SHARED, 0x0072, 0x7F7F);
 224                 break;
 225         }
 226 }
 227
 228 void b43_raw_phy_lock(struct b43_wldev *dev)
 229 {
 230         struct b43_phy *phy = &dev->phy;
 231
 232         B43_WARN_ON(!irqs_disabled());
 233
 234         /* We had a check for MACCTL==0 here, but I think that doesn't
 235          * make sense, as MACCTL is never 0 when this is called.
 236          *      --mb */
 237         B43_WARN_ON(b43_read32(dev, B43_MMIO_MACCTL) == 0);
 238
 239         if (dev->dev->id.revision < 3) {
 240                 b43_mac_suspend(dev);
 241                 spin_lock(&phy->lock);
 242         } else {
 243                 if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
 244                         b43_power_saving_ctl_bits(dev, B43_PS_AWAKE);
 245         }
 246         phy->locked = 1;
 247 }
 248
 249 void b43_raw_phy_unlock(struct b43_wldev *dev)
 250 {
 251         struct b43_phy *phy = &dev->phy;
 252
 253         B43_WARN_ON(!irqs_disabled());
 254         if (dev->dev->id.revision < 3) {
 255                 if (phy->locked) {
 256                         spin_unlock(&phy->lock);
 257                         b43_mac_enable(dev);
 258                 }
 259         } else {
 260                 if (!b43_is_mode(dev->wl, IEEE80211_IF_TYPE_AP))
 261                         b43_power_saving_ctl_bits(dev, 0);
 262         }
 263         phy->locked = 0;
 264 }
 265
 266 /* Different PHYs require different register routing flags.
 267  * This adjusts (and does sanity checks on) the routing flags.
 268  */
 269 static inline u16 adjust_phyreg_for_phytype(struct b43_phy *phy,
 270                                             u16 offset, struct b43_wldev *dev)
 271 {
 272         if (phy->type == B43_PHYTYPE_A) {
 273                 /* OFDM registers are base-registers for the A-PHY. */
 274                 offset &= ~B43_PHYROUTE_OFDM_GPHY;
 275         }
 276         if (offset & B43_PHYROUTE_EXT_GPHY) {
 277                 /* Ext-G registers are only available on G-PHYs */
 278                 if (phy->type != B43_PHYTYPE_G) {
 279                         b43dbg(dev->wl, "EXT-G PHY access at "
 280                                "0x%04X on %u type PHY\n", offset, phy->type);
 281                 }
 282         }
 283
 284         return offset;
 285 }
 286
 287 u16 b43_phy_read(struct b43_wldev * dev, u16 offset)
 288 {
 289         struct b43_phy *phy = &dev->phy;
 290
 291         offset = adjust_phyreg_for_phytype(phy, offset, dev);
 292         b43_write16(dev, B43_MMIO_PHY_CONTROL, offset);
 293         return b43_read16(dev, B43_MMIO_PHY_DATA);
 294 }
 295
 296 void b43_phy_write(struct b43_wldev *dev, u16 offset, u16 val)
 297 {
 298         struct b43_phy *phy = &dev->phy;
 299
 300         offset = adjust_phyreg_for_phytype(phy, offset, dev);
 301         b43_write16(dev, B43_MMIO_PHY_CONTROL, offset);
 302         mmiowb();
 303         b43_write16(dev, B43_MMIO_PHY_DATA, val);
 304 }
 305
 306 static void b43_radio_set_txpower_a(struct b43_wldev *dev, u16 txpower);
 307
 308 /* Adjust the transmission power output (G-PHY) */
 309 void b43_set_txpower_g(struct b43_wldev *dev,
 310                        const struct b43_bbatt *bbatt,
 311                        const struct b43_rfatt *rfatt, u8 tx_control)
 312 {
 313         struct b43_phy *phy = &dev->phy;
 314         struct b43_txpower_lo_control *lo = phy->lo_control;
 315         u16 bb, rf;
 316         u16 tx_bias, tx_magn;
 317
 318         bb = bbatt->att;
 319         rf = rfatt->att;
 320         tx_bias = lo->tx_bias;
 321         tx_magn = lo->tx_magn;
 322         if (unlikely(tx_bias == 0xFF))
 323                 tx_bias = 0;
 324
 325         /* Save the values for later */
 326         phy->tx_control = tx_control;
 327         memcpy(&phy->rfatt, rfatt, sizeof(*rfatt));
 328         memcpy(&phy->bbatt, bbatt, sizeof(*bbatt));
 329
 330         if (b43_debug(dev, B43_DBG_XMITPOWER)) {
 331                 b43dbg(dev->wl, "Tuning TX-power to bbatt(%u), "
 332                        "rfatt(%u), tx_control(0x%02X), "
 333                        "tx_bias(0x%02X), tx_magn(0x%02X)\n",
 334                        bb, rf, tx_control, tx_bias, tx_magn);
 335         }
 336
 337         b43_phy_set_baseband_attenuation(dev, bb);
 338         b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_RFATT, rf);
 339         if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
 340                 b43_radio_write16(dev, 0x43,
 341                                   (rf & 0x000F) | (tx_control & 0x0070));
 342         } else {
 343                 b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
 344                                               & 0xFFF0) | (rf & 0x000F));
 345                 b43_radio_write16(dev, 0x52, (b43_radio_read16(dev, 0x52)
 346                                               & ~0x0070) | (tx_control &
 347                                                             0x0070));
 348         }
 349         if (has_tx_magnification(phy)) {
 350                 b43_radio_write16(dev, 0x52, tx_magn | tx_bias);
 351         } else {
 352                 b43_radio_write16(dev, 0x52, (b43_radio_read16(dev, 0x52)
 353                                               & 0xFFF0) | (tx_bias & 0x000F));
 354         }
 355         if (phy->type == B43_PHYTYPE_G)
 356                 b43_lo_g_adjust(dev);
 357 }
 358
 359 static void default_baseband_attenuation(struct b43_wldev *dev,
 360                                          struct b43_bbatt *bb)
 361 {
 362         struct b43_phy *phy = &dev->phy;
 363
 364         if (phy->radio_ver == 0x2050 && phy->radio_rev < 6)
 365                 bb->att = 0;
 366         else
 367                 bb->att = 2;
 368 }
 369
 370 static void default_radio_attenuation(struct b43_wldev *dev,
 371                                       struct b43_rfatt *rf)
 372 {
 373         struct ssb_bus *bus = dev->dev->bus;
 374         struct b43_phy *phy = &dev->phy;
 375
 376         rf->with_padmix = 0;
 377
 378         if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM &&
 379             bus->boardinfo.type == SSB_BOARD_BCM4309G) {
 380                 if (bus->boardinfo.rev < 0x43) {
 381                         rf->att = 2;
 382                         return;
 383                 } else if (bus->boardinfo.rev < 0x51) {
 384                         rf->att = 3;
 385                         return;
 386                 }
 387         }
 388
 389         if (phy->type == B43_PHYTYPE_A) {
 390                 rf->att = 0x60;
 391                 return;
 392         }
 393
 394         switch (phy->radio_ver) {
 395         case 0x2053:
 396                 switch (phy->radio_rev) {
 397                 case 1:
 398                         rf->att = 6;
 399                         return;
 400                 }
 401                 break;
 402         case 0x2050:
 403                 switch (phy->radio_rev) {
 404                 case 0:
 405                         rf->att = 5;
 406                         return;
 407                 case 1:
 408                         if (phy->type == B43_PHYTYPE_G) {
 409                                 if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM
 410                                     && bus->boardinfo.type == SSB_BOARD_BCM4309G
 411                                     && bus->boardinfo.rev >= 30)
 412                                         rf->att = 3;
 413                                 else if (bus->boardinfo.vendor ==
 414                                          SSB_BOARDVENDOR_BCM
 415                                          && bus->boardinfo.type ==
 416                                          SSB_BOARD_BU4306)
 417                                         rf->att = 3;
 418                                 else
 419                                         rf->att = 1;
 420                         } else {
 421                                 if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM
 422                                     && bus->boardinfo.type == SSB_BOARD_BCM4309G
 423                                     && bus->boardinfo.rev >= 30)
 424                                         rf->att = 7;
 425                                 else
 426                                         rf->att = 6;
 427                         }
 428                         return;
 429                 case 2:
 430                         if (phy->type == B43_PHYTYPE_G) {
 431                                 if (bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM
 432                                     && bus->boardinfo.type == SSB_BOARD_BCM4309G
 433                                     && bus->boardinfo.rev >= 30)
 434                                         rf->att = 3;
 435                                 else if (bus->boardinfo.vendor ==
 436                                          SSB_BOARDVENDOR_BCM
 437                                          && bus->boardinfo.type ==
 438                                          SSB_BOARD_BU4306)
 439                                         rf->att = 5;
 440                                 else if (bus->chip_id == 0x4320)
 441                                         rf->att = 4;
 442                                 else
 443                                         rf->att = 3;
 444                         } else
 445                                 rf->att = 6;
 446                         return;
 447                 case 3:
 448                         rf->att = 5;
 449                         return;
 450                 case 4:
 451                 case 5:
 452                         rf->att = 1;
 453                         return;
 454                 case 6:
 455                 case 7:
 456                         rf->att = 5;
 457                         return;
 458                 case 8:
 459                         rf->att = 0xA;
 460                         rf->with_padmix = 1;
 461                         return;
 462                 case 9:
 463                 default:
 464                         rf->att = 5;
 465                         return;
 466                 }
 467         }
 468         rf->att = 5;
 469 }
 470
 471 static u16 default_tx_control(struct b43_wldev *dev)
 472 {
 473         struct b43_phy *phy = &dev->phy;
 474
 475         if (phy->radio_ver != 0x2050)
 476                 return 0;
 477         if (phy->radio_rev == 1)
 478                 return B43_TXCTL_PA2DB | B43_TXCTL_TXMIX;
 479         if (phy->radio_rev < 6)
 480                 return B43_TXCTL_PA2DB;
 481         if (phy->radio_rev == 8)
 482                 return B43_TXCTL_TXMIX;
 483         return 0;
 484 }
 485
 486 /* This func is called "PHY calibrate" in the specs... */
 487 void b43_phy_early_init(struct b43_wldev *dev)
 488 {
 489         struct b43_phy *phy = &dev->phy;
 490         struct b43_txpower_lo_control *lo = phy->lo_control;
 491
 492         default_baseband_attenuation(dev, &phy->bbatt);
 493         default_radio_attenuation(dev, &phy->rfatt);
 494         phy->tx_control = (default_tx_control(dev) << 4);
 495
 496         /* Commit previous writes */
 497         b43_read32(dev, B43_MMIO_MACCTL);
 498
 499         if (phy->type == B43_PHYTYPE_B || phy->type == B43_PHYTYPE_G) {
 500                 generate_rfatt_list(dev, &lo->rfatt_list);
 501                 generate_bbatt_list(dev, &lo->bbatt_list);
 502         }
 503         if (phy->type == B43_PHYTYPE_G && phy->rev == 1) {
 504                 /* Workaround: Temporarly disable gmode through the early init
 505                  * phase, as the gmode stuff is not needed for phy rev 1 */
 506                 phy->gmode = 0;
 507                 b43_wireless_core_reset(dev, 0);
 508                 b43_phy_initg(dev);
 509                 phy->gmode = 1;
 510                 b43_wireless_core_reset(dev, B43_TMSLOW_GMODE);
 511         }
 512 }
 513
 514 /* GPHY_TSSI_Power_Lookup_Table_Init */
 515 static void b43_gphy_tssi_power_lt_init(struct b43_wldev *dev)
 516 {
 517         struct b43_phy *phy = &dev->phy;
 518         int i;
 519         u16 value;
 520
 521         for (i = 0; i < 32; i++)
 522                 b43_ofdmtab_write16(dev, 0x3C20, i, phy->tssi2dbm[i]);
 523         for (i = 32; i < 64; i++)
 524                 b43_ofdmtab_write16(dev, 0x3C00, i - 32, phy->tssi2dbm[i]);
 525         for (i = 0; i < 64; i += 2) {
 526                 value = (u16) phy->tssi2dbm[i];
 527                 value |= ((u16) phy->tssi2dbm[i + 1]) << 8;
 528                 b43_phy_write(dev, 0x380 + (i / 2), value);
 529         }
 530 }
 531
 532 /* GPHY_Gain_Lookup_Table_Init */
 533 static void b43_gphy_gain_lt_init(struct b43_wldev *dev)
 534 {
 535         struct b43_phy *phy = &dev->phy;
 536         struct b43_txpower_lo_control *lo = phy->lo_control;
 537         u16 nr_written = 0;
 538         u16 tmp;
 539         u8 rf, bb;
 540
 541         if (!lo->lo_measured) {
 542                 b43_phy_write(dev, 0x3FF, 0);
 543                 return;
 544         }
 545
 546         for (rf = 0; rf < lo->rfatt_list.len; rf++) {
 547                 for (bb = 0; bb < lo->bbatt_list.len; bb++) {
 548                         if (nr_written >= 0x40)
 549                                 return;
 550                         tmp = lo->bbatt_list.list[bb].att;
 551                         tmp <<= 8;
 552                         if (phy->radio_rev == 8)
 553                                 tmp |= 0x50;
 554                         else
 555                                 tmp |= 0x40;
 556                         tmp |= lo->rfatt_list.list[rf].att;
 557                         b43_phy_write(dev, 0x3C0 + nr_written, tmp);
 558                         nr_written++;
 559                 }
 560         }
 561 }
 562
 563 /* GPHY_DC_Lookup_Table */
 564 void b43_gphy_dc_lt_init(struct b43_wldev *dev)
 565 {
 566         struct b43_phy *phy = &dev->phy;
 567         struct b43_txpower_lo_control *lo = phy->lo_control;
 568         struct b43_loctl *loctl0;
 569         struct b43_loctl *loctl1;
 570         int i;
 571         int rf_offset, bb_offset;
 572         u16 tmp;
 573
 574         for (i = 0; i < lo->rfatt_list.len + lo->bbatt_list.len; i += 2) {
 575                 rf_offset = i / lo->rfatt_list.len;
 576                 bb_offset = i % lo->rfatt_list.len;
 577
 578                 loctl0 = b43_get_lo_g_ctl(dev, &lo->rfatt_list.list[rf_offset],
 579                                           &lo->bbatt_list.list[bb_offset]);
 580                 if (i + 1 < lo->rfatt_list.len * lo->bbatt_list.len) {
 581                         rf_offset = (i + 1) / lo->rfatt_list.len;
 582                         bb_offset = (i + 1) % lo->rfatt_list.len;
 583
 584                         loctl1 =
 585                             b43_get_lo_g_ctl(dev,
 586                                              &lo->rfatt_list.list[rf_offset],
 587                                              &lo->bbatt_list.list[bb_offset]);
 588                 } else
 589                         loctl1 = loctl0;
 590
 591                 tmp = ((u16) loctl0->q & 0xF);
 592                 tmp |= ((u16) loctl0->i & 0xF) << 4;
 593                 tmp |= ((u16) loctl1->q & 0xF) << 8;
 594                 tmp |= ((u16) loctl1->i & 0xF) << 12;   //FIXME?
 595                 b43_phy_write(dev, 0x3A0 + (i / 2), tmp);
 596         }
 597 }
 598
 599 static void hardware_pctl_init_aphy(struct b43_wldev *dev)
 600 {
 601         //TODO
 602 }
 603
 604 static void hardware_pctl_init_gphy(struct b43_wldev *dev)
 605 {
 606         struct b43_phy *phy = &dev->phy;
 607
 608         b43_phy_write(dev, 0x0036, (b43_phy_read(dev, 0x0036) & 0xFFC0)
 609                       | (phy->tgt_idle_tssi - phy->cur_idle_tssi));
 610         b43_phy_write(dev, 0x0478, (b43_phy_read(dev, 0x0478) & 0xFF00)
 611                       | (phy->tgt_idle_tssi - phy->cur_idle_tssi));
 612         b43_gphy_tssi_power_lt_init(dev);
 613         b43_gphy_gain_lt_init(dev);
 614         b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) & 0xFFBF);
 615         b43_phy_write(dev, 0x0014, 0x0000);
 616
 617         B43_WARN_ON(phy->rev < 6);
 618         b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478)
 619                       | 0x0800);
 620         b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478)
 621                       & 0xFEFF);
 622         b43_phy_write(dev, 0x0801, b43_phy_read(dev, 0x0801)
 623                       & 0xFFBF);
 624
 625         b43_gphy_dc_lt_init(dev);
 626 }
 627
 628 /* HardwarePowerControl init for A and G PHY */
 629 static void b43_hardware_pctl_init(struct b43_wldev *dev)
 630 {
 631         struct b43_phy *phy = &dev->phy;
 632
 633         if (!b43_has_hardware_pctl(phy)) {
 634                 /* No hardware power control */
 635                 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_HWPCTL);
 636                 return;
 637         }
 638         /* Init the hwpctl related hardware */
 639         switch (phy->type) {
 640         case B43_PHYTYPE_A:
 641                 hardware_pctl_init_aphy(dev);
 642                 break;
 643         case B43_PHYTYPE_G:
 644                 hardware_pctl_init_gphy(dev);
 645                 break;
 646         default:
 647                 B43_WARN_ON(1);
 648         }
 649         /* Enable hardware pctl in firmware. */
 650         b43_hf_write(dev, b43_hf_read(dev) | B43_HF_HWPCTL);
 651 }
 652
 653 static void b43_hardware_pctl_early_init(struct b43_wldev *dev)
 654 {
 655         struct b43_phy *phy = &dev->phy;
 656
 657         if (!b43_has_hardware_pctl(phy)) {
 658                 b43_phy_write(dev, 0x047A, 0xC111);
 659                 return;
 660         }
 661
 662         b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036) & 0xFEFF);
 663         b43_phy_write(dev, 0x002F, 0x0202);
 664         b43_phy_write(dev, 0x047C, b43_phy_read(dev, 0x047C) | 0x0002);
 665         b43_phy_write(dev, 0x047A, b43_phy_read(dev, 0x047A) | 0xF000);
 666         if (phy->radio_ver == 0x2050 && phy->radio_rev == 8) {
 667                 b43_phy_write(dev, 0x047A, (b43_phy_read(dev, 0x047A)
 668                                             & 0xFF0F) | 0x0010);
 669                 b43_phy_write(dev, 0x005D, b43_phy_read(dev, 0x005D)
 670                               | 0x8000);
 671                 b43_phy_write(dev, 0x004E, (b43_phy_read(dev, 0x004E)
 672                                             & 0xFFC0) | 0x0010);
 673                 b43_phy_write(dev, 0x002E, 0xC07F);
 674                 b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036)
 675                               | 0x0400);
 676         } else {
 677                 b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036)
 678                               | 0x0200);
 679                 b43_phy_write(dev, 0x0036, b43_phy_read(dev, 0x0036)
 680                               | 0x0400);
 681                 b43_phy_write(dev, 0x005D, b43_phy_read(dev, 0x005D)
 682                               & 0x7FFF);
 683                 b43_phy_write(dev, 0x004F, b43_phy_read(dev, 0x004F)
 684                               & 0xFFFE);
 685                 b43_phy_write(dev, 0x004E, (b43_phy_read(dev, 0x004E)
 686                                             & 0xFFC0) | 0x0010);
 687                 b43_phy_write(dev, 0x002E, 0xC07F);
 688                 b43_phy_write(dev, 0x047A, (b43_phy_read(dev, 0x047A)
 689                                             & 0xFF0F) | 0x0010);
 690         }
 691 }
 692
 693 /* Intialize B/G PHY power control
 694  * as described in http://bcm-specs.sipsolutions.net/InitPowerControl
 695  */
 696 static void b43_phy_init_pctl(struct b43_wldev *dev)
 697 {
 698         struct ssb_bus *bus = dev->dev->bus;
 699         struct b43_phy *phy = &dev->phy;
 700         struct b43_rfatt old_rfatt;
 701         struct b43_bbatt old_bbatt;
 702         u8 old_tx_control = 0;
 703
 704         if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
 705             (bus->boardinfo.type == SSB_BOARD_BU4306))
 706                 return;
 707
 708         b43_phy_write(dev, 0x0028, 0x8018);
 709
 710         /* This does something with the Analog... */
 711         b43_write16(dev, B43_MMIO_PHY0, b43_read16(dev, B43_MMIO_PHY0)
 712                     & 0xFFDF);
 713
 714         if (phy->type == B43_PHYTYPE_G && !phy->gmode)
 715                 return;
 716         b43_hardware_pctl_early_init(dev);
 717         if (phy->cur_idle_tssi == 0) {
 718                 if (phy->radio_ver == 0x2050 && phy->analog == 0) {
 719                         b43_radio_write16(dev, 0x0076,
 720                                           (b43_radio_read16(dev, 0x0076)
 721                                            & 0x00F7) | 0x0084);
 722                 } else {
 723                         struct b43_rfatt rfatt;
 724                         struct b43_bbatt bbatt;
 725
 726                         memcpy(&old_rfatt, &phy->rfatt, sizeof(old_rfatt));
 727                         memcpy(&old_bbatt, &phy->bbatt, sizeof(old_bbatt));
 728                         old_tx_control = phy->tx_control;
 729
 730                         bbatt.att = 11;
 731                         if (phy->radio_rev == 8) {
 732                                 rfatt.att = 15;
 733                                 rfatt.with_padmix = 1;
 734                         } else {
 735                                 rfatt.att = 9;
 736                                 rfatt.with_padmix = 0;
 737                         }
 738                         b43_set_txpower_g(dev, &bbatt, &rfatt, 0);
 739                 }
 740                 b43_dummy_transmission(dev);
 741                 phy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_ITSSI);
 742                 if (B43_DEBUG) {
 743                         /* Current-Idle-TSSI sanity check. */
 744                         if (abs(phy->cur_idle_tssi - phy->tgt_idle_tssi) >= 20) {
 745                                 b43dbg(dev->wl,
 746                                        "!WARNING! Idle-TSSI phy->cur_idle_tssi "
 747                                        "measuring failed. (cur=%d, tgt=%d). Disabling TX power "
 748                                        "adjustment.\n", phy->cur_idle_tssi,
 749                                        phy->tgt_idle_tssi);
 750                                 phy->cur_idle_tssi = 0;
 751                         }
 752                 }
 753                 if (phy->radio_ver == 0x2050 && phy->analog == 0) {
 754                         b43_radio_write16(dev, 0x0076,
 755                                           b43_radio_read16(dev, 0x0076)
 756                                           & 0xFF7B);
 757                 } else {
 758                         b43_set_txpower_g(dev, &old_bbatt,
 759                                           &old_rfatt, old_tx_control);
 760                 }
 761         }
 762         b43_hardware_pctl_init(dev);
 763         b43_shm_clear_tssi(dev);
 764 }
 765
 766 static void b43_phy_agcsetup(struct b43_wldev *dev)
 767 {
 768         struct b43_phy *phy = &dev->phy;
 769         u16 offset = 0x0000;
 770
 771         if (phy->rev == 1)
 772                 offset = 0x4C00;
 773
 774         b43_ofdmtab_write16(dev, offset, 0, 0x00FE);
 775         b43_ofdmtab_write16(dev, offset, 1, 0x000D);
 776         b43_ofdmtab_write16(dev, offset, 2, 0x0013);
 777         b43_ofdmtab_write16(dev, offset, 3, 0x0019);
 778
 779         if (phy->rev == 1) {
 780                 b43_ofdmtab_write16(dev, 0x1800, 0, 0x2710);
 781                 b43_ofdmtab_write16(dev, 0x1801, 0, 0x9B83);
 782                 b43_ofdmtab_write16(dev, 0x1802, 0, 0x9B83);
 783                 b43_ofdmtab_write16(dev, 0x1803, 0, 0x0F8D);
 784                 b43_phy_write(dev, 0x0455, 0x0004);
 785         }
 786
 787         b43_phy_write(dev, 0x04A5, (b43_phy_read(dev, 0x04A5)
 788                                     & 0x00FF) | 0x5700);
 789         b43_phy_write(dev, 0x041A, (b43_phy_read(dev, 0x041A)
 790                                     & 0xFF80) | 0x000F);
 791         b43_phy_write(dev, 0x041A, (b43_phy_read(dev, 0x041A)
 792                                     & 0xC07F) | 0x2B80);
 793         b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C)
 794                                     & 0xF0FF) | 0x0300);
 795
 796         b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A)
 797                           | 0x0008);
 798
 799         b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0)
 800                                     & 0xFFF0) | 0x0008);
 801         b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1)
 802                                     & 0xF0FF) | 0x0600);
 803         b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2)
 804                                     & 0xF0FF) | 0x0700);
 805         b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0)
 806                                     & 0xF0FF) | 0x0100);
 807
 808         if (phy->rev == 1) {
 809                 b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2)
 810                                             & 0xFFF0) | 0x0007);
 811         }
 812
 813         b43_phy_write(dev, 0x0488, (b43_phy_read(dev, 0x0488)
 814                                     & 0xFF00) | 0x001C);
 815         b43_phy_write(dev, 0x0488, (b43_phy_read(dev, 0x0488)
 816                                     & 0xC0FF) | 0x0200);
 817         b43_phy_write(dev, 0x0496, (b43_phy_read(dev, 0x0496)
 818                                     & 0xFF00) | 0x001C);
 819         b43_phy_write(dev, 0x0489, (b43_phy_read(dev, 0x0489)
 820                                     & 0xFF00) | 0x0020);
 821         b43_phy_write(dev, 0x0489, (b43_phy_read(dev, 0x0489)
 822                                     & 0xC0FF) | 0x0200);
 823         b43_phy_write(dev, 0x0482, (b43_phy_read(dev, 0x0482)
 824                                     & 0xFF00) | 0x002E);
 825         b43_phy_write(dev, 0x0496, (b43_phy_read(dev, 0x0496)
 826                                     & 0x00FF) | 0x1A00);
 827         b43_phy_write(dev, 0x0481, (b43_phy_read(dev, 0x0481)
 828                                     & 0xFF00) | 0x0028);
 829         b43_phy_write(dev, 0x0481, (b43_phy_read(dev, 0x0481)
 830                                     & 0x00FF) | 0x2C00);
 831
 832         if (phy->rev == 1) {
 833                 b43_phy_write(dev, 0x0430, 0x092B);
 834                 b43_phy_write(dev, 0x041B, (b43_phy_read(dev, 0x041B)
 835                                             & 0xFFE1) | 0x0002);
 836         } else {
 837                 b43_phy_write(dev, 0x041B, b43_phy_read(dev, 0x041B)
 838                               & 0xFFE1);
 839                 b43_phy_write(dev, 0x041F, 0x287A);
 840                 b43_phy_write(dev, 0x0420, (b43_phy_read(dev, 0x0420)
 841                                             & 0xFFF0) | 0x0004);
 842         }
 843
 844         if (phy->rev >= 6) {
 845                 b43_phy_write(dev, 0x0422, 0x287A);
 846                 b43_phy_write(dev, 0x0420, (b43_phy_read(dev, 0x0420)
 847                                             & 0x0FFF) | 0x3000);
 848         }
 849
 850         b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8)
 851                                     & 0x8080) | 0x7874);
 852         b43_phy_write(dev, 0x048E, 0x1C00);
 853
 854         offset = 0x0800;
 855         if (phy->rev == 1) {
 856                 offset = 0x5400;
 857                 b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB)
 858                                             & 0xF0FF) | 0x0600);
 859                 b43_phy_write(dev, 0x048B, 0x005E);
 860                 b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C)
 861                                             & 0xFF00) | 0x001E);
 862                 b43_phy_write(dev, 0x048D, 0x0002);
 863         }
 864         b43_ofdmtab_write16(dev, offset, 0, 0x00);
 865         b43_ofdmtab_write16(dev, offset, 1, 0x07);
 866         b43_ofdmtab_write16(dev, offset, 2, 0x10);
 867         b43_ofdmtab_write16(dev, offset, 3, 0x1C);
 868
 869         if (phy->rev >= 6) {
 870                 b43_phy_write(dev, 0x0426, b43_phy_read(dev, 0x0426)
 871                               & 0xFFFC);
 872                 b43_phy_write(dev, 0x0426, b43_phy_read(dev, 0x0426)
 873                               & 0xEFFF);
 874         }
 875 }
 876
 877 static void b43_phy_setupg(struct b43_wldev *dev)
 878 {
 879         struct ssb_bus *bus = dev->dev->bus;
 880         struct b43_phy *phy = &dev->phy;
 881         u16 i;
 882
 883         B43_WARN_ON(phy->type != B43_PHYTYPE_G);
 884         if (phy->rev == 1) {
 885                 b43_phy_write(dev, 0x0406, 0x4F19);
 886                 b43_phy_write(dev, B43_PHY_G_CRS,
 887                               (b43_phy_read(dev, B43_PHY_G_CRS) & 0xFC3F) |
 888                               0x0340);
 889                 b43_phy_write(dev, 0x042C, 0x005A);
 890                 b43_phy_write(dev, 0x0427, 0x001A);
 891
 892                 for (i = 0; i < B43_TAB_FINEFREQG_SIZE; i++)
 893                         b43_ofdmtab_write16(dev, 0x5800, i,
 894                                             b43_tab_finefreqg[i]);
 895                 for (i = 0; i < B43_TAB_NOISEG1_SIZE; i++)
 896                         b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noiseg1[i]);
 897                 for (i = 0; i < B43_TAB_ROTOR_SIZE; i++)
 898                         b43_ofdmtab_write16(dev, 0x2000, i, b43_tab_rotor[i]);
 899         } else {
 900                 /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */
 901                 b43_nrssi_hw_write(dev, 0xBA98, (s16) 0x7654);
 902
 903                 if (phy->rev == 2) {
 904                         b43_phy_write(dev, 0x04C0, 0x1861);
 905                         b43_phy_write(dev, 0x04C1, 0x0271);
 906                 } else if (phy->rev > 2) {
 907                         b43_phy_write(dev, 0x04C0, 0x0098);
 908                         b43_phy_write(dev, 0x04C1, 0x0070);
 909                         b43_phy_write(dev, 0x04C9, 0x0080);
 910                 }
 911                 b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x800);
 912
 913                 for (i = 0; i < 64; i++)
 914                         b43_ofdmtab_write16(dev, 0x4000, i, i);
 915                 for (i = 0; i < B43_TAB_NOISEG2_SIZE; i++)
 916                         b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noiseg2[i]);
 917         }
 918
 919         if (phy->rev <= 2)
 920                 for (i = 0; i < B43_TAB_NOISESCALEG_SIZE; i++)
 921                         b43_ofdmtab_write16(dev, 0x1400, i,
 922                                             b43_tab_noisescaleg1[i]);
 923         else if ((phy->rev >= 7) && (b43_phy_read(dev, 0x0449) & 0x0200))
 924                 for (i = 0; i < B43_TAB_NOISESCALEG_SIZE; i++)
 925                         b43_ofdmtab_write16(dev, 0x1400, i,
 926                                             b43_tab_noisescaleg3[i]);
 927         else
 928                 for (i = 0; i < B43_TAB_NOISESCALEG_SIZE; i++)
 929                         b43_ofdmtab_write16(dev, 0x1400, i,
 930                                             b43_tab_noisescaleg2[i]);
 931
 932         if (phy->rev == 2)
 933                 for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++)
 934                         b43_ofdmtab_write16(dev, 0x5000, i,
 935                                             b43_tab_sigmasqr1[i]);
 936         else if ((phy->rev > 2) && (phy->rev <= 8))
 937                 for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++)
 938                         b43_ofdmtab_write16(dev, 0x5000, i,
 939                                             b43_tab_sigmasqr2[i]);
 940
 941         if (phy->rev == 1) {
 942                 for (i = 0; i < B43_TAB_RETARD_SIZE; i++)
 943                         b43_ofdmtab_write32(dev, 0x2400, i, b43_tab_retard[i]);
 944                 for (i = 4; i < 20; i++)
 945                         b43_ofdmtab_write16(dev, 0x5400, i, 0x0020);
 946                 b43_phy_agcsetup(dev);
 947
 948                 if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
 949                     (bus->boardinfo.type == SSB_BOARD_BU4306) &&
 950                     (bus->boardinfo.rev == 0x17))
 951                         return;
 952
 953                 b43_ofdmtab_write16(dev, 0x5001, 0, 0x0002);
 954                 b43_ofdmtab_write16(dev, 0x5002, 0, 0x0001);
 955         } else {
 956                 for (i = 0; i < 0x20; i++)
 957                         b43_ofdmtab_write16(dev, 0x1000, i, 0x0820);
 958                 b43_phy_agcsetup(dev);
 959                 b43_phy_read(dev, 0x0400);      /* dummy read */
 960                 b43_phy_write(dev, 0x0403, 0x1000);
 961                 b43_ofdmtab_write16(dev, 0x3C02, 0, 0x000F);
 962                 b43_ofdmtab_write16(dev, 0x3C03, 0, 0x0014);
 963
 964                 if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
 965                     (bus->boardinfo.type == SSB_BOARD_BU4306) &&
 966                     (bus->boardinfo.rev == 0x17))
 967                         return;
 968
 969                 b43_ofdmtab_write16(dev, 0x0401, 0, 0x0002);
 970                 b43_ofdmtab_write16(dev, 0x0402, 0, 0x0001);
 971         }
 972 }
 973
 974 /* Initialize the noisescaletable for APHY */
 975 static void b43_phy_init_noisescaletbl(struct b43_wldev *dev)
 976 {
 977         struct b43_phy *phy = &dev->phy;
 978         int i;
 979
 980         for (i = 0; i < 12; i++) {
 981                 if (phy->rev == 2)
 982                         b43_ofdmtab_write16(dev, 0x1400, i, 0x6767);
 983                 else
 984                         b43_ofdmtab_write16(dev, 0x1400, i, 0x2323);
 985         }
 986         if (phy->rev == 2)
 987                 b43_ofdmtab_write16(dev, 0x1400, i, 0x6700);
 988         else
 989                 b43_ofdmtab_write16(dev, 0x1400, i, 0x2300);
 990         for (i = 0; i < 11; i++) {
 991                 if (phy->rev == 2)
 992                         b43_ofdmtab_write16(dev, 0x1400, i, 0x6767);
 993                 else
 994                         b43_ofdmtab_write16(dev, 0x1400, i, 0x2323);
 995         }
 996         if (phy->rev == 2)
 997                 b43_ofdmtab_write16(dev, 0x1400, i, 0x0067);
 998         else
 999                 b43_ofdmtab_write16(dev, 0x1400, i, 0x0023);
1000 }
1001
1002 static void b43_phy_setupa(struct b43_wldev *dev)
1003 {
1004         struct b43_phy *phy = &dev->phy;
1005         u16 i;
1006
1007         B43_WARN_ON(phy->type != B43_PHYTYPE_A);
1008         switch (phy->rev) {
1009         case 2:
1010                 b43_phy_write(dev, 0x008E, 0x3800);
1011                 b43_phy_write(dev, 0x0035, 0x03FF);
1012                 b43_phy_write(dev, 0x0036, 0x0400);
1013
1014                 b43_ofdmtab_write16(dev, 0x3807, 0, 0x0051);
1015
1016                 b43_phy_write(dev, 0x001C, 0x0FF9);
1017                 b43_phy_write(dev, 0x0020, b43_phy_read(dev, 0x0020) & 0xFF0F);
1018                 b43_ofdmtab_write16(dev, 0x3C0C, 0, 0x07BF);
1019                 b43_radio_write16(dev, 0x0002, 0x07BF);
1020
1021                 b43_phy_write(dev, 0x0024, 0x4680);
1022                 b43_phy_write(dev, 0x0020, 0x0003);
1023                 b43_phy_write(dev, 0x001D, 0x0F40);
1024                 b43_phy_write(dev, 0x001F, 0x1C00);
1025
1026                 b43_phy_write(dev, 0x002A, (b43_phy_read(dev, 0x002A)
1027                                             & 0x00FF) | 0x0400);
1028                 b43_phy_write(dev, 0x002B, b43_phy_read(dev, 0x002B)
1029                               & 0xFBFF);
1030                 b43_phy_write(dev, 0x008E, 0x58C1);
1031
1032                 b43_ofdmtab_write16(dev, 0x0803, 0, 0x000F);
1033                 b43_ofdmtab_write16(dev, 0x0804, 0, 0x001F);
1034                 b43_ofdmtab_write16(dev, 0x0805, 0, 0x002A);
1035                 b43_ofdmtab_write16(dev, 0x0805, 0, 0x0030);
1036                 b43_ofdmtab_write16(dev, 0x0807, 0, 0x003A);
1037
1038                 b43_ofdmtab_write16(dev, 0x0000, 0, 0x0013);
1039                 b43_ofdmtab_write16(dev, 0x0000, 1, 0x0013);
1040                 b43_ofdmtab_write16(dev, 0x0000, 2, 0x0013);
1041                 b43_ofdmtab_write16(dev, 0x0000, 3, 0x0013);
1042                 b43_ofdmtab_write16(dev, 0x0000, 4, 0x0015);
1043                 b43_ofdmtab_write16(dev, 0x0000, 5, 0x0015);
1044                 b43_ofdmtab_write16(dev, 0x0000, 6, 0x0019);
1045
1046                 b43_ofdmtab_write16(dev, 0x0404, 0, 0x0003);
1047                 b43_ofdmtab_write16(dev, 0x0405, 0, 0x0003);
1048                 b43_ofdmtab_write16(dev, 0x0406, 0, 0x0007);
1049
1050                 for (i = 0; i < 16; i++)
1051                         b43_ofdmtab_write16(dev, 0x4000, i, (0x8 + i) & 0x000F);
1052
1053                 b43_ofdmtab_write16(dev, 0x3003, 0, 0x1044);
1054                 b43_ofdmtab_write16(dev, 0x3004, 0, 0x7201);
1055                 b43_ofdmtab_write16(dev, 0x3006, 0, 0x0040);
1056                 b43_ofdmtab_write16(dev, 0x3001, 0,
1057                                     (b43_ofdmtab_read16(dev, 0x3001, 0) &
1058                                      0x0010) | 0x0008);
1059
1060                 for (i = 0; i < B43_TAB_FINEFREQA_SIZE; i++)
1061                         b43_ofdmtab_write16(dev, 0x5800, i,
1062                                             b43_tab_finefreqa[i]);
1063                 for (i = 0; i < B43_TAB_NOISEA2_SIZE; i++)
1064                         b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noisea2[i]);
1065                 for (i = 0; i < B43_TAB_ROTOR_SIZE; i++)
1066                         b43_ofdmtab_write32(dev, 0x2000, i, b43_tab_rotor[i]);
1067                 b43_phy_init_noisescaletbl(dev);
1068                 for (i = 0; i < B43_TAB_RETARD_SIZE; i++)
1069                         b43_ofdmtab_write32(dev, 0x2400, i, b43_tab_retard[i]);
1070                 break;
1071         case 3:
1072                 for (i = 0; i < 64; i++)
1073                         b43_ofdmtab_write16(dev, 0x4000, i, i);
1074
1075                 b43_ofdmtab_write16(dev, 0x3807, 0, 0x0051);
1076
1077                 b43_phy_write(dev, 0x001C, 0x0FF9);
1078                 b43_phy_write(dev, 0x0020, b43_phy_read(dev, 0x0020) & 0xFF0F);
1079                 b43_radio_write16(dev, 0x0002, 0x07BF);
1080
1081                 b43_phy_write(dev, 0x0024, 0x4680);
1082                 b43_phy_write(dev, 0x0020, 0x0003);
1083                 b43_phy_write(dev, 0x001D, 0x0F40);
1084                 b43_phy_write(dev, 0x001F, 0x1C00);
1085                 b43_phy_write(dev, 0x002A, (b43_phy_read(dev, 0x002A)
1086                                             & 0x00FF) | 0x0400);
1087
1088                 b43_ofdmtab_write16(dev, 0x3000, 1,
1089                                     (b43_ofdmtab_read16(dev, 0x3000, 1)
1090                                      & 0x0010) | 0x0008);
1091                 for (i = 0; i < B43_TAB_NOISEA3_SIZE; i++) {
1092                         b43_ofdmtab_write16(dev, 0x1800, i, b43_tab_noisea3[i]);
1093                 }
1094                 b43_phy_init_noisescaletbl(dev);
1095                 for (i = 0; i < B43_TAB_SIGMASQR_SIZE; i++) {
1096                         b43_ofdmtab_write16(dev, 0x5000, i,
1097                                             b43_tab_sigmasqr1[i]);
1098                 }
1099
1100                 b43_phy_write(dev, 0x0003, 0x1808);
1101
1102                 b43_ofdmtab_write16(dev, 0x0803, 0, 0x000F);
1103                 b43_ofdmtab_write16(dev, 0x0804, 0, 0x001F);
1104                 b43_ofdmtab_write16(dev, 0x0805, 0, 0x002A);
1105                 b43_ofdmtab_write16(dev, 0x0805, 0, 0x0030);
1106                 b43_ofdmtab_write16(dev, 0x0807, 0, 0x003A);
1107
1108                 b43_ofdmtab_write16(dev, 0x0000, 0, 0x0013);
1109                 b43_ofdmtab_write16(dev, 0x0001, 0, 0x0013);
1110                 b43_ofdmtab_write16(dev, 0x0002, 0, 0x0013);
1111                 b43_ofdmtab_write16(dev, 0x0003, 0, 0x0013);
1112                 b43_ofdmtab_write16(dev, 0x0004, 0, 0x0015);
1113                 b43_ofdmtab_write16(dev, 0x0005, 0, 0x0015);
1114                 b43_ofdmtab_write16(dev, 0x0006, 0, 0x0019);
1115
1116                 b43_ofdmtab_write16(dev, 0x0404, 0, 0x0003);
1117                 b43_ofdmtab_write16(dev, 0x0405, 0, 0x0003);
1118                 b43_ofdmtab_write16(dev, 0x0406, 0, 0x0007);
1119
1120                 b43_ofdmtab_write16(dev, 0x3C02, 0, 0x000F);
1121                 b43_ofdmtab_write16(dev, 0x3C03, 0, 0x0014);
1122                 break;
1123         default:
1124                 B43_WARN_ON(1);
1125         }
1126 }
1127
1128 /* Initialize APHY. This is also called for the GPHY in some cases. */
1129 static void b43_phy_inita(struct b43_wldev *dev)
1130 {
1131         struct ssb_bus *bus = dev->dev->bus;
1132         struct b43_phy *phy = &dev->phy;
1133         u16 tval;
1134
1135         might_sleep();
1136
1137         if (phy->type == B43_PHYTYPE_A) {
1138                 b43_phy_setupa(dev);
1139         } else {
1140                 b43_phy_setupg(dev);
1141                 if (phy->gmode &&
1142                     (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_PACTRL))
1143                         b43_phy_write(dev, 0x046E, 0x03CF);
1144                 return;
1145         }
1146
1147         b43_phy_write(dev, B43_PHY_A_CRS,
1148                       (b43_phy_read(dev, B43_PHY_A_CRS) & 0xF83C) | 0x0340);
1149         b43_phy_write(dev, 0x0034, 0x0001);
1150
1151         //TODO: RSSI AGC
1152         b43_phy_write(dev, B43_PHY_A_CRS,
1153                       b43_phy_read(dev, B43_PHY_A_CRS) | (1 << 14));
1154         b43_radio_init2060(dev);
1155
1156         if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
1157             ((bus->boardinfo.type == SSB_BOARD_BU4306) ||
1158              (bus->boardinfo.type == SSB_BOARD_BU4309))) {
1159                 if (phy->lofcal == 0xFFFF) {
1160                         //TODO: LOF Cal
1161                         b43_radio_set_tx_iq(dev);
1162                 } else
1163                         b43_radio_write16(dev, 0x001E, phy->lofcal);
1164         }
1165
1166         b43_phy_write(dev, 0x007A, 0xF111);
1167
1168         if (phy->cur_idle_tssi == 0) {
1169                 b43_radio_write16(dev, 0x0019, 0x0000);
1170                 b43_radio_write16(dev, 0x0017, 0x0020);
1171
1172                 tval = b43_ofdmtab_read16(dev, 0x3001, 0);
1173                 if (phy->rev == 1) {
1174                         b43_ofdmtab_write16(dev, 0x3001, 0,
1175                                             (b43_ofdmtab_read16(dev, 0x3001, 0)
1176                                              & 0xFF87)
1177                                             | 0x0058);
1178                 } else {
1179                         b43_ofdmtab_write16(dev, 0x3001, 0,
1180                                             (b43_ofdmtab_read16(dev, 0x3001, 0)
1181                                              & 0xFFC3)
1182                                             | 0x002C);
1183                 }
1184                 b43_dummy_transmission(dev);
1185                 phy->cur_idle_tssi = b43_phy_read(dev, B43_PHY_A_PCTL);
1186                 b43_ofdmtab_write16(dev, 0x3001, 0, tval);
1187
1188                 b43_radio_set_txpower_a(dev, 0x0018);
1189         }
1190         b43_shm_clear_tssi(dev);
1191 }
1192
1193 static void b43_phy_initb2(struct b43_wldev *dev)
1194 {
1195         struct b43_phy *phy = &dev->phy;
1196         u16 offset, val;
1197
1198         b43_write16(dev, 0x03EC, 0x3F22);
1199         b43_phy_write(dev, 0x0020, 0x301C);
1200         b43_phy_write(dev, 0x0026, 0x0000);
1201         b43_phy_write(dev, 0x0030, 0x00C6);
1202         b43_phy_write(dev, 0x0088, 0x3E00);
1203         val = 0x3C3D;
1204         for (offset = 0x0089; offset < 0x00A7; offset++) {
1205                 b43_phy_write(dev, offset, val);
1206                 val -= 0x0202;
1207         }
1208         b43_phy_write(dev, 0x03E4, 0x3000);
1209         b43_radio_selectchannel(dev, phy->channel, 0);
1210         if (phy->radio_ver != 0x2050) {
1211                 b43_radio_write16(dev, 0x0075, 0x0080);
1212                 b43_radio_write16(dev, 0x0079, 0x0081);
1213         }
1214         b43_radio_write16(dev, 0x0050, 0x0020);
1215         b43_radio_write16(dev, 0x0050, 0x0023);
1216         if (phy->radio_ver == 0x2050) {
1217                 b43_radio_write16(dev, 0x0050, 0x0020);
1218                 b43_radio_write16(dev, 0x005A, 0x0070);
1219                 b43_radio_write16(dev, 0x005B, 0x007B);
1220                 b43_radio_write16(dev, 0x005C, 0x00B0);
1221                 b43_radio_write16(dev, 0x007A, 0x000F);
1222                 b43_phy_write(dev, 0x0038, 0x0677);
1223                 b43_radio_init2050(dev);
1224         }
1225         b43_phy_write(dev, 0x0014, 0x0080);
1226         b43_phy_write(dev, 0x0032, 0x00CA);
1227         b43_phy_write(dev, 0x0032, 0x00CC);
1228         b43_phy_write(dev, 0x0035, 0x07C2);
1229         b43_lo_b_measure(dev);
1230         b43_phy_write(dev, 0x0026, 0xCC00);
1231         if (phy->radio_ver != 0x2050)
1232                 b43_phy_write(dev, 0x0026, 0xCE00);
1233         b43_write16(dev, B43_MMIO_CHANNEL_EXT, 0x1000);
1234         b43_phy_write(dev, 0x002A, 0x88A3);
1235         if (phy->radio_ver != 0x2050)
1236                 b43_phy_write(dev, 0x002A, 0x88C2);
1237         b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
1238         b43_phy_init_pctl(dev);
1239 }
1240
1241 static void b43_phy_initb4(struct b43_wldev *dev)
1242 {
1243         struct b43_phy *phy = &dev->phy;
1244         u16 offset, val;
1245
1246         b43_write16(dev, 0x03EC, 0x3F22);
1247         b43_phy_write(dev, 0x0020, 0x301C);
1248         b43_phy_write(dev, 0x0026, 0x0000);
1249         b43_phy_write(dev, 0x0030, 0x00C6);
1250         b43_phy_write(dev, 0x0088, 0x3E00);
1251         val = 0x3C3D;
1252         for (offset = 0x0089; offset < 0x00A7; offset++) {
1253                 b43_phy_write(dev, offset, val);
1254                 val -= 0x0202;
1255         }
1256         b43_phy_write(dev, 0x03E4, 0x3000);
1257         b43_radio_selectchannel(dev, phy->channel, 0);
1258         if (phy->radio_ver != 0x2050) {
1259                 b43_radio_write16(dev, 0x0075, 0x0080);
1260                 b43_radio_write16(dev, 0x0079, 0x0081);
1261         }
1262         b43_radio_write16(dev, 0x0050, 0x0020);
1263         b43_radio_write16(dev, 0x0050, 0x0023);
1264         if (phy->radio_ver == 0x2050) {
1265                 b43_radio_write16(dev, 0x0050, 0x0020);
1266                 b43_radio_write16(dev, 0x005A, 0x0070);
1267                 b43_radio_write16(dev, 0x005B, 0x007B);
1268                 b43_radio_write16(dev, 0x005C, 0x00B0);
1269                 b43_radio_write16(dev, 0x007A, 0x000F);
1270                 b43_phy_write(dev, 0x0038, 0x0677);
1271                 b43_radio_init2050(dev);
1272         }
1273         b43_phy_write(dev, 0x0014, 0x0080);
1274         b43_phy_write(dev, 0x0032, 0x00CA);
1275         if (phy->radio_ver == 0x2050)
1276                 b43_phy_write(dev, 0x0032, 0x00E0);
1277         b43_phy_write(dev, 0x0035, 0x07C2);
1278
1279         b43_lo_b_measure(dev);
1280
1281         b43_phy_write(dev, 0x0026, 0xCC00);
1282         if (phy->radio_ver == 0x2050)
1283                 b43_phy_write(dev, 0x0026, 0xCE00);
1284         b43_write16(dev, B43_MMIO_CHANNEL_EXT, 0x1100);
1285         b43_phy_write(dev, 0x002A, 0x88A3);
1286         if (phy->radio_ver == 0x2050)
1287                 b43_phy_write(dev, 0x002A, 0x88C2);
1288         b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
1289         if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI) {
1290                 b43_calc_nrssi_slope(dev);
1291                 b43_calc_nrssi_threshold(dev);
1292         }
1293         b43_phy_init_pctl(dev);
1294 }
1295
1296 static void b43_phy_initb5(struct b43_wldev *dev)
1297 {
1298         struct ssb_bus *bus = dev->dev->bus;
1299         struct b43_phy *phy = &dev->phy;
1300         u16 offset, value;
1301         u8 old_channel;
1302
1303         if (phy->analog == 1) {
1304                 b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A)
1305                                   | 0x0050);
1306         }
1307         if ((bus->boardinfo.vendor != SSB_BOARDVENDOR_BCM) &&
1308             (bus->boardinfo.type != SSB_BOARD_BU4306)) {
1309                 value = 0x2120;
1310                 for (offset = 0x00A8; offset < 0x00C7; offset++) {
1311                         b43_phy_write(dev, offset, value);
1312                         value += 0x202;
1313                 }
1314         }
1315         b43_phy_write(dev, 0x0035, (b43_phy_read(dev, 0x0035) & 0xF0FF)
1316                       | 0x0700);
1317         if (phy->radio_ver == 0x2050)
1318                 b43_phy_write(dev, 0x0038, 0x0667);
1319
1320         if (phy->gmode || phy->rev >= 2) {
1321                 if (phy->radio_ver == 0x2050) {
1322                         b43_radio_write16(dev, 0x007A,
1323                                           b43_radio_read16(dev, 0x007A)
1324                                           | 0x0020);
1325                         b43_radio_write16(dev, 0x0051,
1326                                           b43_radio_read16(dev, 0x0051)
1327                                           | 0x0004);
1328                 }
1329                 b43_write16(dev, B43_MMIO_PHY_RADIO, 0x0000);
1330
1331                 b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x0100);
1332                 b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x2000);
1333
1334                 b43_phy_write(dev, 0x001C, 0x186A);
1335
1336                 b43_phy_write(dev, 0x0013,
1337                               (b43_phy_read(dev, 0x0013) & 0x00FF) | 0x1900);
1338                 b43_phy_write(dev, 0x0035,
1339                               (b43_phy_read(dev, 0x0035) & 0xFFC0) | 0x0064);
1340                 b43_phy_write(dev, 0x005D,
1341                               (b43_phy_read(dev, 0x005D) & 0xFF80) | 0x000A);
1342         }
1343
1344         if (dev->bad_frames_preempt) {
1345                 b43_phy_write(dev, B43_PHY_RADIO_BITFIELD,
1346                               b43_phy_read(dev,
1347                                            B43_PHY_RADIO_BITFIELD) | (1 << 11));
1348         }
1349
1350         if (phy->analog == 1) {
1351                 b43_phy_write(dev, 0x0026, 0xCE00);
1352                 b43_phy_write(dev, 0x0021, 0x3763);
1353                 b43_phy_write(dev, 0x0022, 0x1BC3);
1354                 b43_phy_write(dev, 0x0023, 0x06F9);
1355                 b43_phy_write(dev, 0x0024, 0x037E);
1356         } else
1357                 b43_phy_write(dev, 0x0026, 0xCC00);
1358         b43_phy_write(dev, 0x0030, 0x00C6);
1359         b43_write16(dev, 0x03EC, 0x3F22);
1360
1361         if (phy->analog == 1)
1362                 b43_phy_write(dev, 0x0020, 0x3E1C);
1363         else
1364                 b43_phy_write(dev, 0x0020, 0x301C);
1365
1366         if (phy->analog == 0)
1367                 b43_write16(dev, 0x03E4, 0x3000);
1368
1369         old_channel = phy->channel;
1370         /* Force to channel 7, even if not supported. */
1371         b43_radio_selectchannel(dev, 7, 0);
1372
1373         if (phy->radio_ver != 0x2050) {
1374                 b43_radio_write16(dev, 0x0075, 0x0080);
1375                 b43_radio_write16(dev, 0x0079, 0x0081);
1376         }
1377
1378         b43_radio_write16(dev, 0x0050, 0x0020);
1379         b43_radio_write16(dev, 0x0050, 0x0023);
1380
1381         if (phy->radio_ver == 0x2050) {
1382                 b43_radio_write16(dev, 0x0050, 0x0020);
1383                 b43_radio_write16(dev, 0x005A, 0x0070);
1384         }
1385
1386         b43_radio_write16(dev, 0x005B, 0x007B);
1387         b43_radio_write16(dev, 0x005C, 0x00B0);
1388
1389         b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0007);
1390
1391         b43_radio_selectchannel(dev, old_channel, 0);
1392
1393         b43_phy_write(dev, 0x0014, 0x0080);
1394         b43_phy_write(dev, 0x0032, 0x00CA);
1395         b43_phy_write(dev, 0x002A, 0x88A3);
1396
1397         b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
1398
1399         if (phy->radio_ver == 0x2050)
1400                 b43_radio_write16(dev, 0x005D, 0x000D);
1401
1402         b43_write16(dev, 0x03E4, (b43_read16(dev, 0x03E4) & 0xFFC0) | 0x0004);
1403 }
1404
1405 static void b43_phy_initb6(struct b43_wldev *dev)
1406 {
1407         struct b43_phy *phy = &dev->phy;
1408         u16 offset, val;
1409         u8 old_channel;
1410
1411         b43_phy_write(dev, 0x003E, 0x817A);
1412         b43_radio_write16(dev, 0x007A,
1413                           (b43_radio_read16(dev, 0x007A) | 0x0058));
1414         if (phy->radio_rev == 4 || phy->radio_rev == 5) {
1415                 b43_radio_write16(dev, 0x51, 0x37);
1416                 b43_radio_write16(dev, 0x52, 0x70);
1417                 b43_radio_write16(dev, 0x53, 0xB3);
1418                 b43_radio_write16(dev, 0x54, 0x9B);
1419                 b43_radio_write16(dev, 0x5A, 0x88);
1420                 b43_radio_write16(dev, 0x5B, 0x88);
1421                 b43_radio_write16(dev, 0x5D, 0x88);
1422                 b43_radio_write16(dev, 0x5E, 0x88);
1423                 b43_radio_write16(dev, 0x7D, 0x88);
1424                 b43_hf_write(dev, b43_hf_read(dev)
1425                              | B43_HF_TSSIRPSMW);
1426         }
1427         B43_WARN_ON(phy->radio_rev == 6 || phy->radio_rev == 7);        /* We had code for these revs here... */
1428         if (phy->radio_rev == 8) {
1429                 b43_radio_write16(dev, 0x51, 0);
1430                 b43_radio_write16(dev, 0x52, 0x40);
1431                 b43_radio_write16(dev, 0x53, 0xB7);
1432                 b43_radio_write16(dev, 0x54, 0x98);
1433                 b43_radio_write16(dev, 0x5A, 0x88);
1434                 b43_radio_write16(dev, 0x5B, 0x6B);
1435                 b43_radio_write16(dev, 0x5C, 0x0F);
1436                 if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_ALTIQ) {
1437                         b43_radio_write16(dev, 0x5D, 0xFA);
1438                         b43_radio_write16(dev, 0x5E, 0xD8);
1439                 } else {
1440                         b43_radio_write16(dev, 0x5D, 0xF5);
1441                         b43_radio_write16(dev, 0x5E, 0xB8);
1442                 }
1443                 b43_radio_write16(dev, 0x0073, 0x0003);
1444                 b43_radio_write16(dev, 0x007D, 0x00A8);
1445                 b43_radio_write16(dev, 0x007C, 0x0001);
1446                 b43_radio_write16(dev, 0x007E, 0x0008);
1447         }
1448         val = 0x1E1F;
1449         for (offset = 0x0088; offset < 0x0098; offset++) {
1450                 b43_phy_write(dev, offset, val);
1451                 val -= 0x0202;
1452         }
1453         val = 0x3E3F;
1454         for (offset = 0x0098; offset < 0x00A8; offset++) {
1455                 b43_phy_write(dev, offset, val);
1456                 val -= 0x0202;
1457         }
1458         val = 0x2120;
1459         for (offset = 0x00A8; offset < 0x00C8; offset++) {
1460                 b43_phy_write(dev, offset, (val & 0x3F3F));
1461                 val += 0x0202;
1462         }
1463         if (phy->type == B43_PHYTYPE_G) {
1464                 b43_radio_write16(dev, 0x007A,
1465                                   b43_radio_read16(dev, 0x007A) | 0x0020);
1466                 b43_radio_write16(dev, 0x0051,
1467                                   b43_radio_read16(dev, 0x0051) | 0x0004);
1468                 b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x0100);
1469                 b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x2000);
1470                 b43_phy_write(dev, 0x5B, 0);
1471                 b43_phy_write(dev, 0x5C, 0);
1472         }
1473
1474         old_channel = phy->channel;
1475         if (old_channel >= 8)
1476                 b43_radio_selectchannel(dev, 1, 0);
1477         else
1478                 b43_radio_selectchannel(dev, 13, 0);
1479
1480         b43_radio_write16(dev, 0x0050, 0x0020);
1481         b43_radio_write16(dev, 0x0050, 0x0023);
1482         udelay(40);
1483         if (phy->radio_rev < 6 || phy->radio_rev == 8) {
1484                 b43_radio_write16(dev, 0x7C, (b43_radio_read16(dev, 0x7C)
1485                                               | 0x0002));
1486                 b43_radio_write16(dev, 0x50, 0x20);
1487         }
1488         if (phy->radio_rev <= 2) {
1489                 b43_radio_write16(dev, 0x7C, 0x20);
1490                 b43_radio_write16(dev, 0x5A, 0x70);
1491                 b43_radio_write16(dev, 0x5B, 0x7B);
1492                 b43_radio_write16(dev, 0x5C, 0xB0);
1493         }
1494         b43_radio_write16(dev, 0x007A,
1495                           (b43_radio_read16(dev, 0x007A) & 0x00F8) | 0x0007);
1496
1497         b43_radio_selectchannel(dev, old_channel, 0);
1498
1499         b43_phy_write(dev, 0x0014, 0x0200);
1500         if (phy->radio_rev >= 6)
1501                 b43_phy_write(dev, 0x2A, 0x88C2);
1502         else
1503                 b43_phy_write(dev, 0x2A, 0x8AC0);
1504         b43_phy_write(dev, 0x0038, 0x0668);
1505         b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt, phy->tx_control);
1506         if (phy->radio_rev <= 5) {
1507                 b43_phy_write(dev, 0x5D, (b43_phy_read(dev, 0x5D)
1508                                           & 0xFF80) | 0x0003);
1509         }
1510         if (phy->radio_rev <= 2)
1511                 b43_radio_write16(dev, 0x005D, 0x000D);
1512
1513         if (phy->analog == 4) {
1514                 b43_write16(dev, 0x3E4, 9);
1515                 b43_phy_write(dev, 0x61, b43_phy_read(dev, 0x61)
1516                               & 0x0FFF);
1517         } else {
1518                 b43_phy_write(dev, 0x0002, (b43_phy_read(dev, 0x0002) & 0xFFC0)
1519                               | 0x0004);
1520         }
1521         if (phy->type == B43_PHYTYPE_B) {
1522                 b43_write16(dev, 0x03E6, 0x8140);
1523                 b43_phy_write(dev, 0x0016, 0x0410);
1524                 b43_phy_write(dev, 0x0017, 0x0820);
1525                 b43_phy_write(dev, 0x0062, 0x0007);
1526                 b43_radio_init2050(dev);
1527                 b43_lo_g_measure(dev);
1528                 if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI) {
1529                         b43_calc_nrssi_slope(dev);
1530                         b43_calc_nrssi_threshold(dev);
1531                 }
1532                 b43_phy_init_pctl(dev);
1533         } else if (phy->type == B43_PHYTYPE_G)
1534                 b43_write16(dev, 0x03E6, 0x0);
1535 }
1536
1537 static void b43_calc_loopback_gain(struct b43_wldev *dev)
1538 {
1539         struct b43_phy *phy = &dev->phy;
1540         u16 backup_phy[16] = { 0 };
1541         u16 backup_radio[3];
1542         u16 backup_bband;
1543         u16 i, j, loop_i_max;
1544         u16 trsw_rx;
1545         u16 loop1_outer_done, loop1_inner_done;
1546
1547         backup_phy[0] = b43_phy_read(dev, B43_PHY_CRS0);
1548         backup_phy[1] = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
1549         backup_phy[2] = b43_phy_read(dev, B43_PHY_RFOVER);
1550         backup_phy[3] = b43_phy_read(dev, B43_PHY_RFOVERVAL);
1551         if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
1552                 backup_phy[4] = b43_phy_read(dev, B43_PHY_ANALOGOVER);
1553                 backup_phy[5] = b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
1554         }
1555         backup_phy[6] = b43_phy_read(dev, B43_PHY_BASE(0x5A));
1556         backup_phy[7] = b43_phy_read(dev, B43_PHY_BASE(0x59));
1557         backup_phy[8] = b43_phy_read(dev, B43_PHY_BASE(0x58));
1558         backup_phy[9] = b43_phy_read(dev, B43_PHY_BASE(0x0A));
1559         backup_phy[10] = b43_phy_read(dev, B43_PHY_BASE(0x03));
1560         backup_phy[11] = b43_phy_read(dev, B43_PHY_LO_MASK);
1561         backup_phy[12] = b43_phy_read(dev, B43_PHY_LO_CTL);
1562         backup_phy[13] = b43_phy_read(dev, B43_PHY_BASE(0x2B));
1563         backup_phy[14] = b43_phy_read(dev, B43_PHY_PGACTL);
1564         backup_phy[15] = b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
1565         backup_bband = phy->bbatt.att;
1566         backup_radio[0] = b43_radio_read16(dev, 0x52);
1567         backup_radio[1] = b43_radio_read16(dev, 0x43);
1568         backup_radio[2] = b43_radio_read16(dev, 0x7A);
1569
1570         b43_phy_write(dev, B43_PHY_CRS0,
1571                       b43_phy_read(dev, B43_PHY_CRS0) & 0x3FFF);
1572         b43_phy_write(dev, B43_PHY_CCKBBANDCFG,
1573                       b43_phy_read(dev, B43_PHY_CCKBBANDCFG) | 0x8000);
1574         b43_phy_write(dev, B43_PHY_RFOVER,
1575                       b43_phy_read(dev, B43_PHY_RFOVER) | 0x0002);
1576         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1577                       b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xFFFD);
1578         b43_phy_write(dev, B43_PHY_RFOVER,
1579                       b43_phy_read(dev, B43_PHY_RFOVER) | 0x0001);
1580         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1581                       b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xFFFE);
1582         if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
1583                 b43_phy_write(dev, B43_PHY_ANALOGOVER,
1584                               b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0001);
1585                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
1586                               b43_phy_read(dev,
1587                                            B43_PHY_ANALOGOVERVAL) & 0xFFFE);
1588                 b43_phy_write(dev, B43_PHY_ANALOGOVER,
1589                               b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0002);
1590                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
1591                               b43_phy_read(dev,
1592                                            B43_PHY_ANALOGOVERVAL) & 0xFFFD);
1593         }
1594         b43_phy_write(dev, B43_PHY_RFOVER,
1595                       b43_phy_read(dev, B43_PHY_RFOVER) | 0x000C);
1596         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1597                       b43_phy_read(dev, B43_PHY_RFOVERVAL) | 0x000C);
1598         b43_phy_write(dev, B43_PHY_RFOVER,
1599                       b43_phy_read(dev, B43_PHY_RFOVER) | 0x0030);
1600         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1601                       (b43_phy_read(dev, B43_PHY_RFOVERVAL)
1602                        & 0xFFCF) | 0x10);
1603
1604         b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0780);
1605         b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810);
1606         b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D);
1607
1608         b43_phy_write(dev, B43_PHY_BASE(0x0A),
1609                       b43_phy_read(dev, B43_PHY_BASE(0x0A)) | 0x2000);
1610         if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
1611                 b43_phy_write(dev, B43_PHY_ANALOGOVER,
1612                               b43_phy_read(dev, B43_PHY_ANALOGOVER) | 0x0004);
1613                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
1614                               b43_phy_read(dev,
1615                                            B43_PHY_ANALOGOVERVAL) & 0xFFFB);
1616         }
1617         b43_phy_write(dev, B43_PHY_BASE(0x03),
1618                       (b43_phy_read(dev, B43_PHY_BASE(0x03))
1619                        & 0xFF9F) | 0x40);
1620
1621         if (phy->radio_rev == 8) {
1622                 b43_radio_write16(dev, 0x43, 0x000F);
1623         } else {
1624                 b43_radio_write16(dev, 0x52, 0);
1625                 b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
1626                                               & 0xFFF0) | 0x9);
1627         }
1628         b43_phy_set_baseband_attenuation(dev, 11);
1629
1630         if (phy->rev >= 3)
1631                 b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
1632         else
1633                 b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
1634         b43_phy_write(dev, B43_PHY_LO_CTL, 0);
1635
1636         b43_phy_write(dev, B43_PHY_BASE(0x2B),
1637                       (b43_phy_read(dev, B43_PHY_BASE(0x2B))
1638                        & 0xFFC0) | 0x01);
1639         b43_phy_write(dev, B43_PHY_BASE(0x2B),
1640                       (b43_phy_read(dev, B43_PHY_BASE(0x2B))
1641                        & 0xC0FF) | 0x800);
1642
1643         b43_phy_write(dev, B43_PHY_RFOVER,
1644                       b43_phy_read(dev, B43_PHY_RFOVER) | 0x0100);
1645         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1646                       b43_phy_read(dev, B43_PHY_RFOVERVAL) & 0xCFFF);
1647
1648         if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_EXTLNA) {
1649                 if (phy->rev >= 7) {
1650                         b43_phy_write(dev, B43_PHY_RFOVER,
1651                                       b43_phy_read(dev, B43_PHY_RFOVER)
1652                                       | 0x0800);
1653                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1654                                       b43_phy_read(dev, B43_PHY_RFOVERVAL)
1655                                       | 0x8000);
1656                 }
1657         }
1658         b43_radio_write16(dev, 0x7A, b43_radio_read16(dev, 0x7A)
1659                           & 0x00F7);
1660
1661         j = 0;
1662         loop_i_max = (phy->radio_rev == 8) ? 15 : 9;
1663         for (i = 0; i < loop_i_max; i++) {
1664                 for (j = 0; j < 16; j++) {
1665                         b43_radio_write16(dev, 0x43, i);
1666                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1667                                       (b43_phy_read(dev, B43_PHY_RFOVERVAL)
1668                                        & 0xF0FF) | (j << 8));
1669                         b43_phy_write(dev, B43_PHY_PGACTL,
1670                                       (b43_phy_read(dev, B43_PHY_PGACTL)
1671                                        & 0x0FFF) | 0xA000);
1672                         b43_phy_write(dev, B43_PHY_PGACTL,
1673                                       b43_phy_read(dev, B43_PHY_PGACTL)
1674                                       | 0xF000);
1675                         udelay(20);
1676                         if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
1677                                 goto exit_loop1;
1678                 }
1679         }
1680       exit_loop1:
1681         loop1_outer_done = i;
1682         loop1_inner_done = j;
1683         if (j >= 8) {
1684                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
1685                               b43_phy_read(dev, B43_PHY_RFOVERVAL)
1686                               | 0x30);
1687                 trsw_rx = 0x1B;
1688                 for (j = j - 8; j < 16; j++) {
1689                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
1690                                       (b43_phy_read(dev, B43_PHY_RFOVERVAL)
1691                                        & 0xF0FF) | (j << 8));
1692                         b43_phy_write(dev, B43_PHY_PGACTL,
1693                                       (b43_phy_read(dev, B43_PHY_PGACTL)
1694                                        & 0x0FFF) | 0xA000);
1695                         b43_phy_write(dev, B43_PHY_PGACTL,
1696                                       b43_phy_read(dev, B43_PHY_PGACTL)
1697                                       | 0xF000);
1698                         udelay(20);
1699                         trsw_rx -= 3;
1700                         if (b43_phy_read(dev, B43_PHY_LO_LEAKAGE) >= 0xDFC)
1701                                 goto exit_loop2;
1702                 }
1703         } else
1704                 trsw_rx = 0x18;
1705       exit_loop2:
1706
1707         if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
1708                 b43_phy_write(dev, B43_PHY_ANALOGOVER, backup_phy[4]);
1709                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, backup_phy[5]);
1710         }
1711         b43_phy_write(dev, B43_PHY_BASE(0x5A), backup_phy[6]);
1712         b43_phy_write(dev, B43_PHY_BASE(0x59), backup_phy[7]);
1713         b43_phy_write(dev, B43_PHY_BASE(0x58), backup_phy[8]);
1714         b43_phy_write(dev, B43_PHY_BASE(0x0A), backup_phy[9]);
1715         b43_phy_write(dev, B43_PHY_BASE(0x03), backup_phy[10]);
1716         b43_phy_write(dev, B43_PHY_LO_MASK, backup_phy[11]);
1717         b43_phy_write(dev, B43_PHY_LO_CTL, backup_phy[12]);
1718         b43_phy_write(dev, B43_PHY_BASE(0x2B), backup_phy[13]);
1719         b43_phy_write(dev, B43_PHY_PGACTL, backup_phy[14]);
1720
1721         b43_phy_set_baseband_attenuation(dev, backup_bband);
1722
1723         b43_radio_write16(dev, 0x52, backup_radio[0]);
1724         b43_radio_write16(dev, 0x43, backup_radio[1]);
1725         b43_radio_write16(dev, 0x7A, backup_radio[2]);
1726
1727         b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2] | 0x0003);
1728         udelay(10);
1729         b43_phy_write(dev, B43_PHY_RFOVER, backup_phy[2]);
1730         b43_phy_write(dev, B43_PHY_RFOVERVAL, backup_phy[3]);
1731         b43_phy_write(dev, B43_PHY_CRS0, backup_phy[0]);
1732         b43_phy_write(dev, B43_PHY_CCKBBANDCFG, backup_phy[1]);
1733
1734         phy->max_lb_gain =
1735             ((loop1_inner_done * 6) - (loop1_outer_done * 4)) - 11;
1736         phy->trsw_rx_gain = trsw_rx * 2;
1737 }
1738
1739 static void b43_phy_initg(struct b43_wldev *dev)
1740 {
1741         struct b43_phy *phy = &dev->phy;
1742         u16 tmp;
1743
1744         if (phy->rev == 1)
1745                 b43_phy_initb5(dev);
1746         else
1747                 b43_phy_initb6(dev);
1748
1749         if (phy->rev >= 2 || phy->gmode)
1750                 b43_phy_inita(dev);
1751
1752         if (phy->rev >= 2) {
1753                 b43_phy_write(dev, B43_PHY_ANALOGOVER, 0);
1754                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL, 0);
1755         }
1756         if (phy->rev == 2) {
1757                 b43_phy_write(dev, B43_PHY_RFOVER, 0);
1758                 b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
1759         }
1760         if (phy->rev > 5) {
1761                 b43_phy_write(dev, B43_PHY_RFOVER, 0x400);
1762                 b43_phy_write(dev, B43_PHY_PGACTL, 0xC0);
1763         }
1764         if (phy->gmode || phy->rev >= 2) {
1765                 tmp = b43_phy_read(dev, B43_PHY_VERSION_OFDM);
1766                 tmp &= B43_PHYVER_VERSION;
1767                 if (tmp == 3 || tmp == 5) {
1768                         b43_phy_write(dev, B43_PHY_OFDM(0xC2), 0x1816);
1769                         b43_phy_write(dev, B43_PHY_OFDM(0xC3), 0x8006);
1770                 }
1771                 if (tmp == 5) {
1772                         b43_phy_write(dev, B43_PHY_OFDM(0xCC),
1773                                       (b43_phy_read(dev, B43_PHY_OFDM(0xCC))
1774                                        & 0x00FF) | 0x1F00);
1775                 }
1776         }
1777         if ((phy->rev <= 2 && phy->gmode) || phy->rev >= 2)
1778                 b43_phy_write(dev, B43_PHY_OFDM(0x7E), 0x78);
1779         if (phy->radio_rev == 8) {
1780                 b43_phy_write(dev, B43_PHY_EXTG(0x01),
1781                               b43_phy_read(dev, B43_PHY_EXTG(0x01))
1782                               | 0x80);
1783                 b43_phy_write(dev, B43_PHY_OFDM(0x3E),
1784                               b43_phy_read(dev, B43_PHY_OFDM(0x3E))
1785                               | 0x4);
1786         }
1787         if (has_loopback_gain(phy))
1788                 b43_calc_loopback_gain(dev);
1789
1790         if (phy->radio_rev != 8) {
1791                 if (phy->initval == 0xFFFF)
1792                         phy->initval = b43_radio_init2050(dev);
1793                 else
1794                         b43_radio_write16(dev, 0x0078, phy->initval);
1795         }
1796         if (phy->lo_control->tx_bias == 0xFF) {
1797                 b43_lo_g_measure(dev);
1798         } else {
1799                 if (has_tx_magnification(phy)) {
1800                         b43_radio_write16(dev, 0x52,
1801                                           (b43_radio_read16(dev, 0x52) & 0xFF00)
1802                                           | phy->lo_control->tx_bias | phy->
1803                                           lo_control->tx_magn);
1804                 } else {
1805                         b43_radio_write16(dev, 0x52,
1806                                           (b43_radio_read16(dev, 0x52) & 0xFFF0)
1807                                           | phy->lo_control->tx_bias);
1808                 }
1809                 if (phy->rev >= 6) {
1810                         b43_phy_write(dev, B43_PHY_BASE(0x36),
1811                                       (b43_phy_read(dev, B43_PHY_BASE(0x36))
1812                                        & 0x0FFF) | (phy->lo_control->
1813                                                     tx_bias << 12));
1814                 }
1815                 if (dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_PACTRL)
1816                         b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x8075);
1817                 else
1818                         b43_phy_write(dev, B43_PHY_BASE(0x2E), 0x807F);
1819                 if (phy->rev < 2)
1820                         b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x101);
1821                 else
1822                         b43_phy_write(dev, B43_PHY_BASE(0x2F), 0x202);
1823         }
1824         if (phy->gmode || phy->rev >= 2) {
1825                 b43_lo_g_adjust(dev);
1826                 b43_phy_write(dev, B43_PHY_LO_MASK, 0x8078);
1827         }
1828
1829         if (!(dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI)) {
1830                 /* The specs state to update the NRSSI LT with
1831                  * the value 0x7FFFFFFF here. I think that is some weird
1832                  * compiler optimization in the original driver.
1833                  * Essentially, what we do here is resetting all NRSSI LT
1834                  * entries to -32 (see the limit_value() in nrssi_hw_update())
1835                  */
1836                 b43_nrssi_hw_update(dev, 0xFFFF);       //FIXME?
1837                 b43_calc_nrssi_threshold(dev);
1838         } else if (phy->gmode || phy->rev >= 2) {
1839                 if (phy->nrssi[0] == -1000) {
1840                         B43_WARN_ON(phy->nrssi[1] != -1000);
1841                         b43_calc_nrssi_slope(dev);
1842                 } else
1843                         b43_calc_nrssi_threshold(dev);
1844         }
1845         if (phy->radio_rev == 8)
1846                 b43_phy_write(dev, B43_PHY_EXTG(0x05), 0x3230);
1847         b43_phy_init_pctl(dev);
1848         /* FIXME: The spec says in the following if, the 0 should be replaced
1849            'if OFDM may not be used in the current locale'
1850            but OFDM is legal everywhere */
1851         if ((dev->dev->bus->chip_id == 0x4306
1852              && dev->dev->bus->chip_package == 2) || 0) {
1853                 b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0)
1854                               & 0xBFFF);
1855                 b43_phy_write(dev, B43_PHY_OFDM(0xC3),
1856                               b43_phy_read(dev, B43_PHY_OFDM(0xC3))
1857                               & 0x7FFF);
1858         }
1859 }
1860
1861 /* Set the baseband attenuation value on chip. */
1862 void b43_phy_set_baseband_attenuation(struct b43_wldev *dev,
1863                                       u16 baseband_attenuation)
1864 {
1865         struct b43_phy *phy = &dev->phy;
1866
1867         if (phy->analog == 0) {
1868                 b43_write16(dev, B43_MMIO_PHY0, (b43_read16(dev, B43_MMIO_PHY0)
1869                                                  & 0xFFF0) |
1870                             baseband_attenuation);
1871         } else if (phy->analog > 1) {
1872                 b43_phy_write(dev, B43_PHY_DACCTL,
1873                               (b43_phy_read(dev, B43_PHY_DACCTL)
1874                                & 0xFFC3) | (baseband_attenuation << 2));
1875         } else {
1876                 b43_phy_write(dev, B43_PHY_DACCTL,
1877                               (b43_phy_read(dev, B43_PHY_DACCTL)
1878                                & 0xFF87) | (baseband_attenuation << 3));
1879         }
1880 }
1881
1882 /* http://bcm-specs.sipsolutions.net/EstimatePowerOut
1883  * This function converts a TSSI value to dBm in Q5.2
1884  */
1885 static s8 b43_phy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
1886 {
1887         struct b43_phy *phy = &dev->phy;
1888         s8 dbm = 0;
1889         s32 tmp;
1890
1891         tmp = (phy->tgt_idle_tssi - phy->cur_idle_tssi + tssi);
1892
1893         switch (phy->type) {
1894         case B43_PHYTYPE_A:
1895                 tmp += 0x80;
1896                 tmp = limit_value(tmp, 0x00, 0xFF);
1897                 dbm = phy->tssi2dbm[tmp];
1898                 //TODO: There's a FIXME on the specs
1899                 break;
1900         case B43_PHYTYPE_B:
1901         case B43_PHYTYPE_G:
1902                 tmp = limit_value(tmp, 0x00, 0x3F);
1903                 dbm = phy->tssi2dbm[tmp];
1904                 break;
1905         default:
1906                 B43_WARN_ON(1);
1907         }
1908
1909         return dbm;
1910 }
1911
1912 void b43_put_attenuation_into_ranges(struct b43_wldev *dev,
1913                                      int *_bbatt, int *_rfatt)
1914 {
1915         int rfatt = *_rfatt;
1916         int bbatt = *_bbatt;
1917         struct b43_txpower_lo_control *lo = dev->phy.lo_control;
1918
1919         /* Get baseband and radio attenuation values into their permitted ranges.
1920          * Radio attenuation affects power level 4 times as much as baseband. */
1921
1922         /* Range constants */
1923         const int rf_min = lo->rfatt_list.min_val;
1924         const int rf_max = lo->rfatt_list.max_val;
1925         const int bb_min = lo->bbatt_list.min_val;
1926         const int bb_max = lo->bbatt_list.max_val;
1927
1928         while (1) {
1929                 if (rfatt > rf_max && bbatt > bb_max - 4)
1930                         break;  /* Can not get it into ranges */
1931                 if (rfatt < rf_min && bbatt < bb_min + 4)
1932                         break;  /* Can not get it into ranges */
1933                 if (bbatt > bb_max && rfatt > rf_max - 1)
1934                         break;  /* Can not get it into ranges */
1935                 if (bbatt < bb_min && rfatt < rf_min + 1)
1936                         break;  /* Can not get it into ranges */
1937
1938                 if (bbatt > bb_max) {
1939                         bbatt -= 4;
1940                         rfatt += 1;
1941                         continue;
1942                 }
1943                 if (bbatt < bb_min) {
1944                         bbatt += 4;
1945                         rfatt -= 1;
1946                         continue;
1947                 }
1948                 if (rfatt > rf_max) {
1949                         rfatt -= 1;
1950                         bbatt += 4;
1951                         continue;
1952                 }
1953                 if (rfatt < rf_min) {
1954                         rfatt += 1;
1955                         bbatt -= 4;
1956                         continue;
1957                 }
1958                 break;
1959         }
1960
1961         *_rfatt = limit_value(rfatt, rf_min, rf_max);
1962         *_bbatt = limit_value(bbatt, bb_min, bb_max);
1963 }
1964
1965 /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
1966 void b43_phy_xmitpower(struct b43_wldev *dev)
1967 {
1968         struct ssb_bus *bus = dev->dev->bus;
1969         struct b43_phy *phy = &dev->phy;
1970
1971         if (phy->cur_idle_tssi == 0)
1972                 return;
1973         if ((bus->boardinfo.vendor == SSB_BOARDVENDOR_BCM) &&
1974             (bus->boardinfo.type == SSB_BOARD_BU4306))
1975                 return;
1976 #ifdef CONFIG_B43_DEBUG
1977         if (phy->manual_txpower_control)
1978                 return;
1979 #endif
1980
1981         switch (phy->type) {
1982         case B43_PHYTYPE_A:{
1983
1984                         //TODO: Nothing for A PHYs yet :-/
1985
1986                         break;
1987                 }
1988         case B43_PHYTYPE_B:
1989         case B43_PHYTYPE_G:{
1990                         u16 tmp;
1991                         s8 v0, v1, v2, v3;
1992                         s8 average;
1993                         int max_pwr;
1994                         int desired_pwr, estimated_pwr, pwr_adjust;
1995                         int rfatt_delta, bbatt_delta;
1996                         int rfatt, bbatt;
1997                         u8 tx_control;
1998                         unsigned long phylock_flags;
1999
2000                         tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x0058);
2001                         v0 = (s8) (tmp & 0x00FF);
2002                         v1 = (s8) ((tmp & 0xFF00) >> 8);
2003                         tmp = b43_shm_read16(dev, B43_SHM_SHARED, 0x005A);
2004                         v2 = (s8) (tmp & 0x00FF);
2005                         v3 = (s8) ((tmp & 0xFF00) >> 8);
2006                         tmp = 0;
2007
2008                         if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F
2009                             || v3 == 0x7F) {
2010                                 tmp =
2011                                     b43_shm_read16(dev, B43_SHM_SHARED, 0x0070);
2012                                 v0 = (s8) (tmp & 0x00FF);
2013                                 v1 = (s8) ((tmp & 0xFF00) >> 8);
2014                                 tmp =
2015                                     b43_shm_read16(dev, B43_SHM_SHARED, 0x0072);
2016                                 v2 = (s8) (tmp & 0x00FF);
2017                                 v3 = (s8) ((tmp & 0xFF00) >> 8);
2018                                 if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F
2019                                     || v3 == 0x7F)
2020                                         return;
2021                                 v0 = (v0 + 0x20) & 0x3F;
2022                                 v1 = (v1 + 0x20) & 0x3F;
2023                                 v2 = (v2 + 0x20) & 0x3F;
2024                                 v3 = (v3 + 0x20) & 0x3F;
2025                                 tmp = 1;
2026                         }
2027                         b43_shm_clear_tssi(dev);
2028
2029                         average = (v0 + v1 + v2 + v3 + 2) / 4;
2030
2031                         if (tmp
2032                             && (b43_shm_read16(dev, B43_SHM_SHARED, 0x005E) &
2033                                 0x8))
2034                                 average -= 13;
2035
2036                         estimated_pwr =
2037                             b43_phy_estimate_power_out(dev, average);
2038
2039                         max_pwr = dev->dev->bus->sprom.r1.maxpwr_bg;
2040                         if ((dev->dev->bus->sprom.r1.
2041                              boardflags_lo & B43_BFL_PACTRL)
2042                             && (phy->type == B43_PHYTYPE_G))
2043                                 max_pwr -= 0x3;
2044                         if (unlikely(max_pwr <= 0)) {
2045                                 b43warn(dev->wl,
2046                                         "Invalid max-TX-power value in SPROM.\n");
2047                                 max_pwr = 60;   /* fake it */
2048                                 dev->dev->bus->sprom.r1.maxpwr_bg = max_pwr;
2049                         }
2050
2051                         /*TODO:
2052                            max_pwr = min(REG - dev->dev->bus->sprom.antennagain_bgphy - 0x6, max_pwr)
2053                            where REG is the max power as per the regulatory domain
2054                          */
2055
2056                         /* Get desired power (in Q5.2) */
2057                         desired_pwr = INT_TO_Q52(phy->power_level);
2058                         /* And limit it. max_pwr already is Q5.2 */
2059                         desired_pwr = limit_value(desired_pwr, 0, max_pwr);
2060                         if (b43_debug(dev, B43_DBG_XMITPOWER)) {
2061                                 b43dbg(dev->wl,
2062                                        "Current TX power output: " Q52_FMT
2063                                        " dBm, " "Desired TX power output: "
2064                                        Q52_FMT " dBm\n", Q52_ARG(estimated_pwr),
2065                                        Q52_ARG(desired_pwr));
2066                         }
2067
2068                         /* Calculate the adjustment delta. */
2069                         pwr_adjust = desired_pwr - estimated_pwr;
2070
2071                         /* RF attenuation delta. */
2072                         rfatt_delta = ((pwr_adjust + 7) / 8);
2073                         /* Lower attenuation => Bigger power output. Negate it. */
2074                         rfatt_delta = -rfatt_delta;
2075
2076                         /* Baseband attenuation delta. */
2077                         bbatt_delta = pwr_adjust / 2;
2078                         /* Lower attenuation => Bigger power output. Negate it. */
2079                         bbatt_delta = -bbatt_delta;
2080                         /* RF att affects power level 4 times as much as
2081                          * Baseband attennuation. Subtract it. */
2082                         bbatt_delta -= 4 * rfatt_delta;
2083
2084                         /* So do we finally need to adjust something? */
2085                         if ((rfatt_delta == 0) && (bbatt_delta == 0)) {
2086                                 b43_lo_g_ctl_mark_cur_used(dev);
2087                                 return;
2088                         }
2089
2090                         /* Calculate the new attenuation values. */
2091                         bbatt = phy->bbatt.att;
2092                         bbatt += bbatt_delta;
2093                         rfatt = phy->rfatt.att;
2094                         rfatt += rfatt_delta;
2095
2096                         b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
2097                         tx_control = phy->tx_control;
2098                         if ((phy->radio_ver == 0x2050) && (phy->radio_rev == 2)) {
2099                                 if (rfatt <= 1) {
2100                                         if (tx_control == 0) {
2101                                                 tx_control =
2102                                                     B43_TXCTL_PA2DB |
2103                                                     B43_TXCTL_TXMIX;
2104                                                 rfatt += 2;
2105                                                 bbatt += 2;
2106                                         } else if (dev->dev->bus->sprom.r1.
2107                                                    boardflags_lo &
2108                                                    B43_BFL_PACTRL) {
2109                                                 bbatt += 4 * (rfatt - 2);
2110                                                 rfatt = 2;
2111                                         }
2112                                 } else if (rfatt > 4 && tx_control) {
2113                                         tx_control = 0;
2114                                         if (bbatt < 3) {
2115                                                 rfatt -= 3;
2116                                                 bbatt += 2;
2117                                         } else {
2118                                                 rfatt -= 2;
2119                                                 bbatt -= 2;
2120                                         }
2121                                 }
2122                         }
2123                         /* Save the control values */
2124                         phy->tx_control = tx_control;
2125                         b43_put_attenuation_into_ranges(dev, &bbatt, &rfatt);
2126                         phy->rfatt.att = rfatt;
2127                         phy->bbatt.att = bbatt;
2128
2129                         /* Adjust the hardware */
2130                         b43_phy_lock(dev, phylock_flags);
2131                         b43_radio_lock(dev);
2132                         b43_set_txpower_g(dev, &phy->bbatt, &phy->rfatt,
2133                                           phy->tx_control);
2134                         b43_lo_g_ctl_mark_cur_used(dev);
2135                         b43_radio_unlock(dev);
2136                         b43_phy_unlock(dev, phylock_flags);
2137                         break;
2138                 }
2139         default:
2140                 B43_WARN_ON(1);
2141         }
2142 }
2143
2144 static inline s32 b43_tssi2dbm_ad(s32 num, s32 den)
2145 {
2146         if (num < 0)
2147                 return num / den;
2148         else
2149                 return (num + den / 2) / den;
2150 }
2151
2152 static inline
2153     s8 b43_tssi2dbm_entry(s8 entry[], u8 index, s16 pab0, s16 pab1, s16 pab2)
2154 {
2155         s32 m1, m2, f = 256, q, delta;
2156         s8 i = 0;
2157
2158         m1 = b43_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
2159         m2 = max(b43_tssi2dbm_ad(32768 + index * pab2, 256), 1);
2160         do {
2161                 if (i > 15)
2162                         return -EINVAL;
2163                 q = b43_tssi2dbm_ad(f * 4096 -
2164                                     b43_tssi2dbm_ad(m2 * f, 16) * f, 2048);
2165                 delta = abs(q - f);
2166                 f = q;
2167                 i++;
2168         } while (delta >= 2);
2169         entry[index] = limit_value(b43_tssi2dbm_ad(m1 * f, 8192), -127, 128);
2170         return 0;
2171 }
2172
2173 /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */
2174 int b43_phy_init_tssi2dbm_table(struct b43_wldev *dev)
2175 {
2176         struct b43_phy *phy = &dev->phy;
2177         s16 pab0, pab1, pab2;
2178         u8 idx;
2179         s8 *dyn_tssi2dbm;
2180
2181         if (phy->type == B43_PHYTYPE_A) {
2182                 pab0 = (s16) (dev->dev->bus->sprom.r1.pa1b0);
2183                 pab1 = (s16) (dev->dev->bus->sprom.r1.pa1b1);
2184                 pab2 = (s16) (dev->dev->bus->sprom.r1.pa1b2);
2185         } else {
2186                 pab0 = (s16) (dev->dev->bus->sprom.r1.pa0b0);
2187                 pab1 = (s16) (dev->dev->bus->sprom.r1.pa0b1);
2188                 pab2 = (s16) (dev->dev->bus->sprom.r1.pa0b2);
2189         }
2190
2191         if ((dev->dev->bus->chip_id == 0x4301) && (phy->radio_ver != 0x2050)) {
2192                 phy->tgt_idle_tssi = 0x34;
2193                 phy->tssi2dbm = b43_tssi2dbm_b_table;
2194                 return 0;
2195         }
2196
2197         if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
2198             pab0 != -1 && pab1 != -1 && pab2 != -1) {
2199                 /* The pabX values are set in SPROM. Use them. */
2200                 if (phy->type == B43_PHYTYPE_A) {
2201                         if ((s8) dev->dev->bus->sprom.r1.itssi_a != 0 &&
2202                             (s8) dev->dev->bus->sprom.r1.itssi_a != -1)
2203                                 phy->tgt_idle_tssi =
2204                                     (s8) (dev->dev->bus->sprom.r1.itssi_a);
2205                         else
2206                                 phy->tgt_idle_tssi = 62;
2207                 } else {
2208                         if ((s8) dev->dev->bus->sprom.r1.itssi_bg != 0 &&
2209                             (s8) dev->dev->bus->sprom.r1.itssi_bg != -1)
2210                                 phy->tgt_idle_tssi =
2211                                     (s8) (dev->dev->bus->sprom.r1.itssi_bg);
2212                         else
2213                                 phy->tgt_idle_tssi = 62;
2214                 }
2215                 dyn_tssi2dbm = kmalloc(64, GFP_KERNEL);
2216                 if (dyn_tssi2dbm == NULL) {
2217                         b43err(dev->wl, "Could not allocate memory "
2218                                "for tssi2dbm table\n");
2219                         return -ENOMEM;
2220                 }
2221                 for (idx = 0; idx < 64; idx++)
2222                         if (b43_tssi2dbm_entry
2223                             (dyn_tssi2dbm, idx, pab0, pab1, pab2)) {
2224                                 phy->tssi2dbm = NULL;
2225                                 b43err(dev->wl, "Could not generate "
2226                                        "tssi2dBm table\n");
2227                                 kfree(dyn_tssi2dbm);
2228                                 return -ENODEV;
2229                         }
2230                 phy->tssi2dbm = dyn_tssi2dbm;
2231                 phy->dyn_tssi_tbl = 1;
2232         } else {
2233                 /* pabX values not set in SPROM. */
2234                 switch (phy->type) {
2235                 case B43_PHYTYPE_A:
2236                         /* APHY needs a generated table. */
2237                         phy->tssi2dbm = NULL;
2238                         b43err(dev->wl, "Could not generate tssi2dBm "
2239                                "table (wrong SPROM info)!\n");
2240                         return -ENODEV;
2241                 case B43_PHYTYPE_B:
2242                         phy->tgt_idle_tssi = 0x34;
2243                         phy->tssi2dbm = b43_tssi2dbm_b_table;
2244                         break;
2245                 case B43_PHYTYPE_G:
2246                         phy->tgt_idle_tssi = 0x34;
2247                         phy->tssi2dbm = b43_tssi2dbm_g_table;
2248                         break;
2249                 }
2250         }
2251
2252         return 0;
2253 }
2254
2255 int b43_phy_init(struct b43_wldev *dev)
2256 {
2257         struct b43_phy *phy = &dev->phy;
2258         int err = -ENODEV;
2259
2260         switch (phy->type) {
2261         case B43_PHYTYPE_A:
2262                 if (phy->rev == 2 || phy->rev == 3) {
2263                         b43_phy_inita(dev);
2264                         err = 0;
2265                 }
2266                 break;
2267         case B43_PHYTYPE_B:
2268                 switch (phy->rev) {
2269                 case 2:
2270                         b43_phy_initb2(dev);
2271                         err = 0;
2272                         break;
2273                 case 4:
2274                         b43_phy_initb4(dev);
2275                         err = 0;
2276                         break;
2277                 case 5:
2278                         b43_phy_initb5(dev);
2279                         err = 0;
2280                         break;
2281                 case 6:
2282                         b43_phy_initb6(dev);
2283                         err = 0;
2284                         break;
2285                 }
2286                 break;
2287         case B43_PHYTYPE_G:
2288                 b43_phy_initg(dev);
2289                 err = 0;
2290                 break;
2291         }
2292         if (err)
2293                 b43err(dev->wl, "Unknown PHYTYPE found\n");
2294
2295         return err;
2296 }
2297
2298 void b43_set_rx_antenna(struct b43_wldev *dev, int antenna)
2299 {
2300         struct b43_phy *phy = &dev->phy;
2301         u32 hf;
2302         u16 tmp;
2303         int autodiv = 0;
2304
2305         if (antenna == B43_ANTENNA_AUTO0 || antenna == B43_ANTENNA_AUTO1)
2306                 autodiv = 1;
2307
2308         hf = b43_hf_read(dev);
2309         hf &= ~B43_HF_ANTDIVHELP;
2310         b43_hf_write(dev, hf);
2311
2312         switch (phy->type) {
2313         case B43_PHYTYPE_A:
2314         case B43_PHYTYPE_G:
2315                 tmp = b43_phy_read(dev, B43_PHY_BBANDCFG);
2316                 tmp &= ~B43_PHY_BBANDCFG_RXANT;
2317                 tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
2318                     << B43_PHY_BBANDCFG_RXANT_SHIFT;
2319                 b43_phy_write(dev, B43_PHY_BBANDCFG, tmp);
2320
2321                 if (autodiv) {
2322                         tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
2323                         if (antenna == B43_ANTENNA_AUTO0)
2324                                 tmp &= ~B43_PHY_ANTDWELL_AUTODIV1;
2325                         else
2326                                 tmp |= B43_PHY_ANTDWELL_AUTODIV1;
2327                         b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
2328                 }
2329                 if (phy->type == B43_PHYTYPE_G) {
2330                         tmp = b43_phy_read(dev, B43_PHY_ANTWRSETT);
2331                         if (autodiv)
2332                                 tmp |= B43_PHY_ANTWRSETT_ARXDIV;
2333                         else
2334                                 tmp &= ~B43_PHY_ANTWRSETT_ARXDIV;
2335                         b43_phy_write(dev, B43_PHY_ANTWRSETT, tmp);
2336                         if (phy->rev >= 2) {
2337                                 tmp = b43_phy_read(dev, B43_PHY_OFDM61);
2338                                 tmp |= B43_PHY_OFDM61_10;
2339                                 b43_phy_write(dev, B43_PHY_OFDM61, tmp);
2340
2341                                 tmp =
2342                                     b43_phy_read(dev, B43_PHY_DIVSRCHGAINBACK);
2343                                 tmp = (tmp & 0xFF00) | 0x15;
2344                                 b43_phy_write(dev, B43_PHY_DIVSRCHGAINBACK,
2345                                               tmp);
2346
2347                                 if (phy->rev == 2) {
2348                                         b43_phy_write(dev, B43_PHY_ADIVRELATED,
2349                                                       8);
2350                                 } else {
2351                                         tmp =
2352                                             b43_phy_read(dev,
2353                                                          B43_PHY_ADIVRELATED);
2354                                         tmp = (tmp & 0xFF00) | 8;
2355                                         b43_phy_write(dev, B43_PHY_ADIVRELATED,
2356                                                       tmp);
2357                                 }
2358                         }
2359                         if (phy->rev >= 6)
2360                                 b43_phy_write(dev, B43_PHY_OFDM9B, 0xDC);
2361                 } else {
2362                         if (phy->rev < 3) {
2363                                 tmp = b43_phy_read(dev, B43_PHY_ANTDWELL);
2364                                 tmp = (tmp & 0xFF00) | 0x24;
2365                                 b43_phy_write(dev, B43_PHY_ANTDWELL, tmp);
2366                         } else {
2367                                 tmp = b43_phy_read(dev, B43_PHY_OFDM61);
2368                                 tmp |= 0x10;
2369                                 b43_phy_write(dev, B43_PHY_OFDM61, tmp);
2370                                 if (phy->analog == 3) {
2371                                         b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
2372                                                       0x1D);
2373                                         b43_phy_write(dev, B43_PHY_ADIVRELATED,
2374                                                       8);
2375                                 } else {
2376                                         b43_phy_write(dev, B43_PHY_CLIPPWRDOWNT,
2377                                                       0x3A);
2378                                         tmp =
2379                                             b43_phy_read(dev,
2380                                                          B43_PHY_ADIVRELATED);
2381                                         tmp = (tmp & 0xFF00) | 8;
2382                                         b43_phy_write(dev, B43_PHY_ADIVRELATED,
2383                                                       tmp);
2384                                 }
2385                         }
2386                 }
2387                 break;
2388         case B43_PHYTYPE_B:
2389                 tmp = b43_phy_read(dev, B43_PHY_CCKBBANDCFG);
2390                 tmp &= ~B43_PHY_BBANDCFG_RXANT;
2391                 tmp |= (autodiv ? B43_ANTENNA_AUTO0 : antenna)
2392                     << B43_PHY_BBANDCFG_RXANT_SHIFT;
2393                 b43_phy_write(dev, B43_PHY_CCKBBANDCFG, tmp);
2394                 break;
2395         default:
2396                 B43_WARN_ON(1);
2397         }
2398
2399         hf |= B43_HF_ANTDIVHELP;
2400         b43_hf_write(dev, hf);
2401 }
2402
2403 /* Get the freq, as it has to be written to the device. */
2404 static inline u16 channel2freq_bg(u8 channel)
2405 {
2406         B43_WARN_ON(!(channel >= 1 && channel <= 14));
2407
2408         return b43_radio_channel_codes_bg[channel - 1];
2409 }
2410
2411 /* Get the freq, as it has to be written to the device. */
2412 static inline u16 channel2freq_a(u8 channel)
2413 {
2414         B43_WARN_ON(channel > 200);
2415
2416         return (5000 + 5 * channel);
2417 }
2418
2419 void b43_radio_lock(struct b43_wldev *dev)
2420 {
2421         u32 macctl;
2422
2423         macctl = b43_read32(dev, B43_MMIO_MACCTL);
2424         macctl |= B43_MACCTL_RADIOLOCK;
2425         b43_write32(dev, B43_MMIO_MACCTL, macctl);
2426         /* Commit the write and wait for the device
2427          * to exit any radio register access. */
2428         b43_read32(dev, B43_MMIO_MACCTL);
2429         udelay(10);
2430 }
2431
2432 void b43_radio_unlock(struct b43_wldev *dev)
2433 {
2434         u32 macctl;
2435
2436         /* Commit any write */
2437         b43_read16(dev, B43_MMIO_PHY_VER);
2438         /* unlock */
2439         macctl = b43_read32(dev, B43_MMIO_MACCTL);
2440         macctl &= ~B43_MACCTL_RADIOLOCK;
2441         b43_write32(dev, B43_MMIO_MACCTL, macctl);
2442 }
2443
2444 u16 b43_radio_read16(struct b43_wldev *dev, u16 offset)
2445 {
2446         struct b43_phy *phy = &dev->phy;
2447
2448         switch (phy->type) {
2449         case B43_PHYTYPE_A:
2450                 offset |= 0x0040;
2451                 break;
2452         case B43_PHYTYPE_B:
2453                 if (phy->radio_ver == 0x2053) {
2454                         if (offset < 0x70)
2455                                 offset += 0x80;
2456                         else if (offset < 0x80)
2457                                 offset += 0x70;
2458                 } else if (phy->radio_ver == 0x2050) {
2459                         offset |= 0x80;
2460                 } else
2461                         B43_WARN_ON(1);
2462                 break;
2463         case B43_PHYTYPE_G:
2464                 offset |= 0x80;
2465                 break;
2466         }
2467
2468         b43_write16(dev, B43_MMIO_RADIO_CONTROL, offset);
2469         return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW);
2470 }
2471
2472 void b43_radio_write16(struct b43_wldev *dev, u16 offset, u16 val)
2473 {
2474         b43_write16(dev, B43_MMIO_RADIO_CONTROL, offset);
2475         mmiowb();
2476         b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, val);
2477 }
2478
2479 static void b43_set_all_gains(struct b43_wldev *dev,
2480                               s16 first, s16 second, s16 third)
2481 {
2482         struct b43_phy *phy = &dev->phy;
2483         u16 i;
2484         u16 start = 0x08, end = 0x18;
2485         u16 tmp;
2486         u16 table;
2487
2488         if (phy->rev <= 1) {
2489                 start = 0x10;
2490                 end = 0x20;
2491         }
2492
2493         table = B43_OFDMTAB_GAINX;
2494         if (phy->rev <= 1)
2495                 table = B43_OFDMTAB_GAINX_R1;
2496         for (i = 0; i < 4; i++)
2497                 b43_ofdmtab_write16(dev, table, i, first);
2498
2499         for (i = start; i < end; i++)
2500                 b43_ofdmtab_write16(dev, table, i, second);
2501
2502         if (third != -1) {
2503                 tmp = ((u16) third << 14) | ((u16) third << 6);
2504                 b43_phy_write(dev, 0x04A0,
2505                               (b43_phy_read(dev, 0x04A0) & 0xBFBF) | tmp);
2506                 b43_phy_write(dev, 0x04A1,
2507                               (b43_phy_read(dev, 0x04A1) & 0xBFBF) | tmp);
2508                 b43_phy_write(dev, 0x04A2,
2509                               (b43_phy_read(dev, 0x04A2) & 0xBFBF) | tmp);
2510         }
2511         b43_dummy_transmission(dev);
2512 }
2513
2514 static void b43_set_original_gains(struct b43_wldev *dev)
2515 {
2516         struct b43_phy *phy = &dev->phy;
2517         u16 i, tmp;
2518         u16 table;
2519         u16 start = 0x0008, end = 0x0018;
2520
2521         if (phy->rev <= 1) {
2522                 start = 0x0010;
2523                 end = 0x0020;
2524         }
2525
2526         table = B43_OFDMTAB_GAINX;
2527         if (phy->rev <= 1)
2528                 table = B43_OFDMTAB_GAINX_R1;
2529         for (i = 0; i < 4; i++) {
2530                 tmp = (i & 0xFFFC);
2531                 tmp |= (i & 0x0001) << 1;
2532                 tmp |= (i & 0x0002) >> 1;
2533
2534                 b43_ofdmtab_write16(dev, table, i, tmp);
2535         }
2536
2537         for (i = start; i < end; i++)
2538                 b43_ofdmtab_write16(dev, table, i, i - start);
2539
2540         b43_phy_write(dev, 0x04A0,
2541                       (b43_phy_read(dev, 0x04A0) & 0xBFBF) | 0x4040);
2542         b43_phy_write(dev, 0x04A1,
2543                       (b43_phy_read(dev, 0x04A1) & 0xBFBF) | 0x4040);
2544         b43_phy_write(dev, 0x04A2,
2545                       (b43_phy_read(dev, 0x04A2) & 0xBFBF) | 0x4000);
2546         b43_dummy_transmission(dev);
2547 }
2548
2549 /* Synthetic PU workaround */
2550 static void b43_synth_pu_workaround(struct b43_wldev *dev, u8 channel)
2551 {
2552         struct b43_phy *phy = &dev->phy;
2553
2554         might_sleep();
2555
2556         if (phy->radio_ver != 0x2050 || phy->radio_rev >= 6) {
2557                 /* We do not need the workaround. */
2558                 return;
2559         }
2560
2561         if (channel <= 10) {
2562                 b43_write16(dev, B43_MMIO_CHANNEL,
2563                             channel2freq_bg(channel + 4));
2564         } else {
2565                 b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(1));
2566         }
2567         msleep(1);
2568         b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
2569 }
2570
2571 u8 b43_radio_aci_detect(struct b43_wldev *dev, u8 channel)
2572 {
2573         struct b43_phy *phy = &dev->phy;
2574         u8 ret = 0;
2575         u16 saved, rssi, temp;
2576         int i, j = 0;
2577
2578         saved = b43_phy_read(dev, 0x0403);
2579         b43_radio_selectchannel(dev, channel, 0);
2580         b43_phy_write(dev, 0x0403, (saved & 0xFFF8) | 5);
2581         if (phy->aci_hw_rssi)
2582                 rssi = b43_phy_read(dev, 0x048A) & 0x3F;
2583         else
2584                 rssi = saved & 0x3F;
2585         /* clamp temp to signed 5bit */
2586         if (rssi > 32)
2587                 rssi -= 64;
2588         for (i = 0; i < 100; i++) {
2589                 temp = (b43_phy_read(dev, 0x047F) >> 8) & 0x3F;
2590                 if (temp > 32)
2591                         temp -= 64;
2592                 if (temp < rssi)
2593                         j++;
2594                 if (j >= 20)
2595                         ret = 1;
2596         }
2597         b43_phy_write(dev, 0x0403, saved);
2598
2599         return ret;
2600 }
2601
2602 u8 b43_radio_aci_scan(struct b43_wldev * dev)
2603 {
2604         struct b43_phy *phy = &dev->phy;
2605         u8 ret[13];
2606         unsigned int channel = phy->channel;
2607         unsigned int i, j, start, end;
2608         unsigned long phylock_flags;
2609
2610         if (!((phy->type == B43_PHYTYPE_G) && (phy->rev > 0)))
2611                 return 0;
2612
2613         b43_phy_lock(dev, phylock_flags);
2614         b43_radio_lock(dev);
2615         b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC);
2616         b43_phy_write(dev, B43_PHY_G_CRS,
2617                       b43_phy_read(dev, B43_PHY_G_CRS) & 0x7FFF);
2618         b43_set_all_gains(dev, 3, 8, 1);
2619
2620         start = (channel - 5 > 0) ? channel - 5 : 1;
2621         end = (channel + 5 < 14) ? channel + 5 : 13;
2622
2623         for (i = start; i <= end; i++) {
2624                 if (abs(channel - i) > 2)
2625                         ret[i - 1] = b43_radio_aci_detect(dev, i);
2626         }
2627         b43_radio_selectchannel(dev, channel, 0);
2628         b43_phy_write(dev, 0x0802,
2629                       (b43_phy_read(dev, 0x0802) & 0xFFFC) | 0x0003);
2630         b43_phy_write(dev, 0x0403, b43_phy_read(dev, 0x0403) & 0xFFF8);
2631         b43_phy_write(dev, B43_PHY_G_CRS,
2632                       b43_phy_read(dev, B43_PHY_G_CRS) | 0x8000);
2633         b43_set_original_gains(dev);
2634         for (i = 0; i < 13; i++) {
2635                 if (!ret[i])
2636                         continue;
2637                 end = (i + 5 < 13) ? i + 5 : 13;
2638                 for (j = i; j < end; j++)
2639                         ret[j] = 1;
2640         }
2641         b43_radio_unlock(dev);
2642         b43_phy_unlock(dev, phylock_flags);
2643
2644         return ret[channel - 1];
2645 }
2646
2647 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
2648 void b43_nrssi_hw_write(struct b43_wldev *dev, u16 offset, s16 val)
2649 {
2650         b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
2651         mmiowb();
2652         b43_phy_write(dev, B43_PHY_NRSSILT_DATA, (u16) val);
2653 }
2654
2655 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
2656 s16 b43_nrssi_hw_read(struct b43_wldev *dev, u16 offset)
2657 {
2658         u16 val;
2659
2660         b43_phy_write(dev, B43_PHY_NRSSILT_CTRL, offset);
2661         val = b43_phy_read(dev, B43_PHY_NRSSILT_DATA);
2662
2663         return (s16) val;
2664 }
2665
2666 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
2667 void b43_nrssi_hw_update(struct b43_wldev *dev, u16 val)
2668 {
2669         u16 i;
2670         s16 tmp;
2671
2672         for (i = 0; i < 64; i++) {
2673                 tmp = b43_nrssi_hw_read(dev, i);
2674                 tmp -= val;
2675                 tmp = limit_value(tmp, -32, 31);
2676                 b43_nrssi_hw_write(dev, i, tmp);
2677         }
2678 }
2679
2680 /* http://bcm-specs.sipsolutions.net/NRSSILookupTable */
2681 void b43_nrssi_mem_update(struct b43_wldev *dev)
2682 {
2683         struct b43_phy *phy = &dev->phy;
2684         s16 i, delta;
2685         s32 tmp;
2686
2687         delta = 0x1F - phy->nrssi[0];
2688         for (i = 0; i < 64; i++) {
2689                 tmp = (i - delta) * phy->nrssislope;
2690                 tmp /= 0x10000;
2691                 tmp += 0x3A;
2692                 tmp = limit_value(tmp, 0, 0x3F);
2693                 phy->nrssi_lt[i] = tmp;
2694         }
2695 }
2696
2697 static void b43_calc_nrssi_offset(struct b43_wldev *dev)
2698 {
2699         struct b43_phy *phy = &dev->phy;
2700         u16 backup[20] = { 0 };
2701         s16 v47F;
2702         u16 i;
2703         u16 saved = 0xFFFF;
2704
2705         backup[0] = b43_phy_read(dev, 0x0001);
2706         backup[1] = b43_phy_read(dev, 0x0811);
2707         backup[2] = b43_phy_read(dev, 0x0812);
2708         if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
2709                 backup[3] = b43_phy_read(dev, 0x0814);
2710                 backup[4] = b43_phy_read(dev, 0x0815);
2711         }
2712         backup[5] = b43_phy_read(dev, 0x005A);
2713         backup[6] = b43_phy_read(dev, 0x0059);
2714         backup[7] = b43_phy_read(dev, 0x0058);
2715         backup[8] = b43_phy_read(dev, 0x000A);
2716         backup[9] = b43_phy_read(dev, 0x0003);
2717         backup[10] = b43_radio_read16(dev, 0x007A);
2718         backup[11] = b43_radio_read16(dev, 0x0043);
2719
2720         b43_phy_write(dev, 0x0429, b43_phy_read(dev, 0x0429) & 0x7FFF);
2721         b43_phy_write(dev, 0x0001,
2722                       (b43_phy_read(dev, 0x0001) & 0x3FFF) | 0x4000);
2723         b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x000C);
2724         b43_phy_write(dev, 0x0812,
2725                       (b43_phy_read(dev, 0x0812) & 0xFFF3) | 0x0004);
2726         b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & ~(0x1 | 0x2));
2727         if (phy->rev >= 6) {
2728                 backup[12] = b43_phy_read(dev, 0x002E);
2729                 backup[13] = b43_phy_read(dev, 0x002F);
2730                 backup[14] = b43_phy_read(dev, 0x080F);
2731                 backup[15] = b43_phy_read(dev, 0x0810);
2732                 backup[16] = b43_phy_read(dev, 0x0801);
2733                 backup[17] = b43_phy_read(dev, 0x0060);
2734                 backup[18] = b43_phy_read(dev, 0x0014);
2735                 backup[19] = b43_phy_read(dev, 0x0478);
2736
2737                 b43_phy_write(dev, 0x002E, 0);
2738                 b43_phy_write(dev, 0x002F, 0);
2739                 b43_phy_write(dev, 0x080F, 0);
2740                 b43_phy_write(dev, 0x0810, 0);
2741                 b43_phy_write(dev, 0x0478, b43_phy_read(dev, 0x0478) | 0x0100);
2742                 b43_phy_write(dev, 0x0801, b43_phy_read(dev, 0x0801) | 0x0040);
2743                 b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060) | 0x0040);
2744                 b43_phy_write(dev, 0x0014, b43_phy_read(dev, 0x0014) | 0x0200);
2745         }
2746         b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0070);
2747         b43_radio_write16(dev, 0x007A, b43_radio_read16(dev, 0x007A) | 0x0080);
2748         udelay(30);
2749
2750         v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
2751         if (v47F >= 0x20)
2752                 v47F -= 0x40;
2753         if (v47F == 31) {
2754                 for (i = 7; i >= 4; i--) {
2755                         b43_radio_write16(dev, 0x007B, i);
2756                         udelay(20);
2757                         v47F =
2758                             (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
2759                         if (v47F >= 0x20)
2760                                 v47F -= 0x40;
2761                         if (v47F < 31 && saved == 0xFFFF)
2762                                 saved = i;
2763                 }
2764                 if (saved == 0xFFFF)
2765                         saved = 4;
2766         } else {
2767                 b43_radio_write16(dev, 0x007A,
2768                                   b43_radio_read16(dev, 0x007A) & 0x007F);
2769                 if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
2770                         b43_phy_write(dev, 0x0814,
2771                                       b43_phy_read(dev, 0x0814) | 0x0001);
2772                         b43_phy_write(dev, 0x0815,
2773                                       b43_phy_read(dev, 0x0815) & 0xFFFE);
2774                 }
2775                 b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x000C);
2776                 b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) | 0x000C);
2777                 b43_phy_write(dev, 0x0811, b43_phy_read(dev, 0x0811) | 0x0030);
2778                 b43_phy_write(dev, 0x0812, b43_phy_read(dev, 0x0812) | 0x0030);
2779                 b43_phy_write(dev, 0x005A, 0x0480);
2780                 b43_phy_write(dev, 0x0059, 0x0810);
2781                 b43_phy_write(dev, 0x0058, 0x000D);
2782                 if (phy->rev == 0) {
2783                         b43_phy_write(dev, 0x0003, 0x0122);
2784                 } else {
2785                         b43_phy_write(dev, 0x000A, b43_phy_read(dev, 0x000A)
2786                                       | 0x2000);
2787                 }
2788                 if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
2789                         b43_phy_write(dev, 0x0814,
2790                                       b43_phy_read(dev, 0x0814) | 0x0004);
2791                         b43_phy_write(dev, 0x0815,
2792                                       b43_phy_read(dev, 0x0815) & 0xFFFB);
2793                 }
2794                 b43_phy_write(dev, 0x0003, (b43_phy_read(dev, 0x0003) & 0xFF9F)
2795                               | 0x0040);
2796                 b43_radio_write16(dev, 0x007A,
2797                                   b43_radio_read16(dev, 0x007A) | 0x000F);
2798                 b43_set_all_gains(dev, 3, 0, 1);
2799                 b43_radio_write16(dev, 0x0043, (b43_radio_read16(dev, 0x0043)
2800                                                 & 0x00F0) | 0x000F);
2801                 udelay(30);
2802                 v47F = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
2803                 if (v47F >= 0x20)
2804                         v47F -= 0x40;
2805                 if (v47F == -32) {
2806                         for (i = 0; i < 4; i++) {
2807                                 b43_radio_write16(dev, 0x007B, i);
2808                                 udelay(20);
2809                                 v47F =
2810                                     (s16) ((b43_phy_read(dev, 0x047F) >> 8) &
2811                                            0x003F);
2812                                 if (v47F >= 0x20)
2813                                         v47F -= 0x40;
2814                                 if (v47F > -31 && saved == 0xFFFF)
2815                                         saved = i;
2816                         }
2817                         if (saved == 0xFFFF)
2818                                 saved = 3;
2819                 } else
2820                         saved = 0;
2821         }
2822         b43_radio_write16(dev, 0x007B, saved);
2823
2824         if (phy->rev >= 6) {
2825                 b43_phy_write(dev, 0x002E, backup[12]);
2826                 b43_phy_write(dev, 0x002F, backup[13]);
2827                 b43_phy_write(dev, 0x080F, backup[14]);
2828                 b43_phy_write(dev, 0x0810, backup[15]);
2829         }
2830         if (phy->rev != 1) {    /* Not in specs, but needed to prevent PPC machine check */
2831                 b43_phy_write(dev, 0x0814, backup[3]);
2832                 b43_phy_write(dev, 0x0815, backup[4]);
2833         }
2834         b43_phy_write(dev, 0x005A, backup[5]);
2835         b43_phy_write(dev, 0x0059, backup[6]);
2836         b43_phy_write(dev, 0x0058, backup[7]);
2837         b43_phy_write(dev, 0x000A, backup[8]);
2838         b43_phy_write(dev, 0x0003, backup[9]);
2839         b43_radio_write16(dev, 0x0043, backup[11]);
2840         b43_radio_write16(dev, 0x007A, backup[10]);
2841         b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) | 0x1 | 0x2);
2842         b43_phy_write(dev, 0x0429, b43_phy_read(dev, 0x0429) | 0x8000);
2843         b43_set_original_gains(dev);
2844         if (phy->rev >= 6) {
2845                 b43_phy_write(dev, 0x0801, backup[16]);
2846                 b43_phy_write(dev, 0x0060, backup[17]);
2847                 b43_phy_write(dev, 0x0014, backup[18]);
2848                 b43_phy_write(dev, 0x0478, backup[19]);
2849         }
2850         b43_phy_write(dev, 0x0001, backup[0]);
2851         b43_phy_write(dev, 0x0812, backup[2]);
2852         b43_phy_write(dev, 0x0811, backup[1]);
2853 }
2854
2855 void b43_calc_nrssi_slope(struct b43_wldev *dev)
2856 {
2857         struct b43_phy *phy = &dev->phy;
2858         u16 backup[18] = { 0 };
2859         u16 tmp;
2860         s16 nrssi0, nrssi1;
2861
2862         switch (phy->type) {
2863         case B43_PHYTYPE_B:
2864                 backup[0] = b43_radio_read16(dev, 0x007A);
2865                 backup[1] = b43_radio_read16(dev, 0x0052);
2866                 backup[2] = b43_radio_read16(dev, 0x0043);
2867                 backup[3] = b43_phy_read(dev, 0x0030);
2868                 backup[4] = b43_phy_read(dev, 0x0026);
2869                 backup[5] = b43_phy_read(dev, 0x0015);
2870                 backup[6] = b43_phy_read(dev, 0x002A);
2871                 backup[7] = b43_phy_read(dev, 0x0020);
2872                 backup[8] = b43_phy_read(dev, 0x005A);
2873                 backup[9] = b43_phy_read(dev, 0x0059);
2874                 backup[10] = b43_phy_read(dev, 0x0058);
2875                 backup[11] = b43_read16(dev, 0x03E2);
2876                 backup[12] = b43_read16(dev, 0x03E6);
2877                 backup[13] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
2878
2879                 tmp = b43_radio_read16(dev, 0x007A);
2880                 tmp &= (phy->rev >= 5) ? 0x007F : 0x000F;
2881                 b43_radio_write16(dev, 0x007A, tmp);
2882                 b43_phy_write(dev, 0x0030, 0x00FF);
2883                 b43_write16(dev, 0x03EC, 0x7F7F);
2884                 b43_phy_write(dev, 0x0026, 0x0000);
2885                 b43_phy_write(dev, 0x0015, b43_phy_read(dev, 0x0015) | 0x0020);
2886                 b43_phy_write(dev, 0x002A, 0x08A3);
2887                 b43_radio_write16(dev, 0x007A,
2888                                   b43_radio_read16(dev, 0x007A) | 0x0080);
2889
2890                 nrssi0 = (s16) b43_phy_read(dev, 0x0027);
2891                 b43_radio_write16(dev, 0x007A,
2892                                   b43_radio_read16(dev, 0x007A) & 0x007F);
2893                 if (phy->rev >= 2) {
2894                         b43_write16(dev, 0x03E6, 0x0040);
2895                 } else if (phy->rev == 0) {
2896                         b43_write16(dev, 0x03E6, 0x0122);
2897                 } else {
2898                         b43_write16(dev, B43_MMIO_CHANNEL_EXT,
2899                                     b43_read16(dev,
2900                                                B43_MMIO_CHANNEL_EXT) & 0x2000);
2901                 }
2902                 b43_phy_write(dev, 0x0020, 0x3F3F);
2903                 b43_phy_write(dev, 0x0015, 0xF330);
2904                 b43_radio_write16(dev, 0x005A, 0x0060);
2905                 b43_radio_write16(dev, 0x0043,
2906                                   b43_radio_read16(dev, 0x0043) & 0x00F0);
2907                 b43_phy_write(dev, 0x005A, 0x0480);
2908                 b43_phy_write(dev, 0x0059, 0x0810);
2909                 b43_phy_write(dev, 0x0058, 0x000D);
2910                 udelay(20);
2911
2912                 nrssi1 = (s16) b43_phy_read(dev, 0x0027);
2913                 b43_phy_write(dev, 0x0030, backup[3]);
2914                 b43_radio_write16(dev, 0x007A, backup[0]);
2915                 b43_write16(dev, 0x03E2, backup[11]);
2916                 b43_phy_write(dev, 0x0026, backup[4]);
2917                 b43_phy_write(dev, 0x0015, backup[5]);
2918                 b43_phy_write(dev, 0x002A, backup[6]);
2919                 b43_synth_pu_workaround(dev, phy->channel);
2920                 if (phy->rev != 0)
2921                         b43_write16(dev, 0x03F4, backup[13]);
2922
2923                 b43_phy_write(dev, 0x0020, backup[7]);
2924                 b43_phy_write(dev, 0x005A, backup[8]);
2925                 b43_phy_write(dev, 0x0059, backup[9]);
2926                 b43_phy_write(dev, 0x0058, backup[10]);
2927                 b43_radio_write16(dev, 0x0052, backup[1]);
2928                 b43_radio_write16(dev, 0x0043, backup[2]);
2929
2930                 if (nrssi0 == nrssi1)
2931                         phy->nrssislope = 0x00010000;
2932                 else
2933                         phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
2934
2935                 if (nrssi0 <= -4) {
2936                         phy->nrssi[0] = nrssi0;
2937                         phy->nrssi[1] = nrssi1;
2938                 }
2939                 break;
2940         case B43_PHYTYPE_G:
2941                 if (phy->radio_rev >= 9)
2942                         return;
2943                 if (phy->radio_rev == 8)
2944                         b43_calc_nrssi_offset(dev);
2945
2946                 b43_phy_write(dev, B43_PHY_G_CRS,
2947                               b43_phy_read(dev, B43_PHY_G_CRS) & 0x7FFF);
2948                 b43_phy_write(dev, 0x0802, b43_phy_read(dev, 0x0802) & 0xFFFC);
2949                 backup[7] = b43_read16(dev, 0x03E2);
2950                 b43_write16(dev, 0x03E2, b43_read16(dev, 0x03E2) | 0x8000);
2951                 backup[0] = b43_radio_read16(dev, 0x007A);
2952                 backup[1] = b43_radio_read16(dev, 0x0052);
2953                 backup[2] = b43_radio_read16(dev, 0x0043);
2954                 backup[3] = b43_phy_read(dev, 0x0015);
2955                 backup[4] = b43_phy_read(dev, 0x005A);
2956                 backup[5] = b43_phy_read(dev, 0x0059);
2957                 backup[6] = b43_phy_read(dev, 0x0058);
2958                 backup[8] = b43_read16(dev, 0x03E6);
2959                 backup[9] = b43_read16(dev, B43_MMIO_CHANNEL_EXT);
2960                 if (phy->rev >= 3) {
2961                         backup[10] = b43_phy_read(dev, 0x002E);
2962                         backup[11] = b43_phy_read(dev, 0x002F);
2963                         backup[12] = b43_phy_read(dev, 0x080F);
2964                         backup[13] = b43_phy_read(dev, B43_PHY_G_LO_CONTROL);
2965                         backup[14] = b43_phy_read(dev, 0x0801);
2966                         backup[15] = b43_phy_read(dev, 0x0060);
2967                         backup[16] = b43_phy_read(dev, 0x0014);
2968                         backup[17] = b43_phy_read(dev, 0x0478);
2969                         b43_phy_write(dev, 0x002E, 0);
2970                         b43_phy_write(dev, B43_PHY_G_LO_CONTROL, 0);
2971                         switch (phy->rev) {
2972                         case 4:
2973                         case 6:
2974                         case 7:
2975                                 b43_phy_write(dev, 0x0478,
2976                                               b43_phy_read(dev, 0x0478)
2977                                               | 0x0100);
2978                                 b43_phy_write(dev, 0x0801,
2979                                               b43_phy_read(dev, 0x0801)
2980                                               | 0x0040);
2981                                 break;
2982                         case 3:
2983                         case 5:
2984                                 b43_phy_write(dev, 0x0801,
2985                                               b43_phy_read(dev, 0x0801)
2986                                               & 0xFFBF);
2987                                 break;
2988                         }
2989                         b43_phy_write(dev, 0x0060, b43_phy_read(dev, 0x0060)
2990                                       | 0x0040);
2991                         b43_phy_write(dev, 0x0014, b43_phy_read(dev, 0x0014)
2992                                       | 0x0200);
2993                 }
2994                 b43_radio_write16(dev, 0x007A,
2995                                   b43_radio_read16(dev, 0x007A) | 0x0070);
2996                 b43_set_all_gains(dev, 0, 8, 0);
2997                 b43_radio_write16(dev, 0x007A,
2998                                   b43_radio_read16(dev, 0x007A) & 0x00F7);
2999                 if (phy->rev >= 2) {
3000                         b43_phy_write(dev, 0x0811,
3001                                       (b43_phy_read(dev, 0x0811) & 0xFFCF) |
3002                                       0x0030);
3003                         b43_phy_write(dev, 0x0812,
3004                                       (b43_phy_read(dev, 0x0812) & 0xFFCF) |
3005                                       0x0010);
3006                 }
3007                 b43_radio_write16(dev, 0x007A,
3008                                   b43_radio_read16(dev, 0x007A) | 0x0080);
3009                 udelay(20);
3010
3011                 nrssi0 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
3012                 if (nrssi0 >= 0x0020)
3013                         nrssi0 -= 0x0040;
3014
3015                 b43_radio_write16(dev, 0x007A,
3016                                   b43_radio_read16(dev, 0x007A) & 0x007F);
3017                 if (phy->rev >= 2) {
3018                         b43_phy_write(dev, 0x0003, (b43_phy_read(dev, 0x0003)
3019                                                     & 0xFF9F) | 0x0040);
3020                 }
3021
3022                 b43_write16(dev, B43_MMIO_CHANNEL_EXT,
3023                             b43_read16(dev, B43_MMIO_CHANNEL_EXT)
3024                             | 0x2000);
3025                 b43_radio_write16(dev, 0x007A,
3026                                   b43_radio_read16(dev, 0x007A) | 0x000F);
3027                 b43_phy_write(dev, 0x0015, 0xF330);
3028                 if (phy->rev >= 2) {
3029                         b43_phy_write(dev, 0x0812,
3030                                       (b43_phy_read(dev, 0x0812) & 0xFFCF) |
3031                                       0x0020);
3032                         b43_phy_write(dev, 0x0811,
3033                                       (b43_phy_read(dev, 0x0811) & 0xFFCF) |
3034                                       0x0020);
3035                 }
3036
3037                 b43_set_all_gains(dev, 3, 0, 1);
3038                 if (phy->radio_rev == 8) {
3039                         b43_radio_write16(dev, 0x0043, 0x001F);
3040                 } else {
3041                         tmp = b43_radio_read16(dev, 0x0052) & 0xFF0F;
3042                         b43_radio_write16(dev, 0x0052, tmp | 0x0060);
3043                         tmp = b43_radio_read16(dev, 0x0043) & 0xFFF0;
3044                         b43_radio_write16(dev, 0x0043, tmp | 0x0009);
3045                 }
3046                 b43_phy_write(dev, 0x005A, 0x0480);
3047                 b43_phy_write(dev, 0x0059, 0x0810);
3048                 b43_phy_write(dev, 0x0058, 0x000D);
3049                 udelay(20);
3050                 nrssi1 = (s16) ((b43_phy_read(dev, 0x047F) >> 8) & 0x003F);
3051                 if (nrssi1 >= 0x0020)
3052                         nrssi1 -= 0x0040;
3053                 if (nrssi0 == nrssi1)
3054                         phy->nrssislope = 0x00010000;
3055                 else
3056                         phy->nrssislope = 0x00400000 / (nrssi0 - nrssi1);
3057                 if (nrssi0 >= -4) {
3058                         phy->nrssi[0] = nrssi1;
3059                         phy->nrssi[1] = nrssi0;
3060                 }
3061                 if (phy->rev >= 3) {
3062                         b43_phy_write(dev, 0x002E, backup[10]);
3063                         b43_phy_write(dev, 0x002F, backup[11]);
3064                         b43_phy_write(dev, 0x080F, backup[12]);
3065                         b43_phy_write(dev, B43_PHY_G_LO_CONTROL, backup[13]);
3066                 }
3067                 if (phy->rev >= 2) {
3068                         b43_phy_write(dev, 0x0812,
3069                                       b43_phy_read(dev, 0x0812) & 0xFFCF);
3070                         b43_phy_write(dev, 0x0811,
3071                                       b43_phy_read(dev, 0x0811) & 0xFFCF);
3072                 }
3073
3074                 b43_radio_write16(dev, 0x007A, backup[0]);
3075                 b43_radio_write16(dev, 0x0052, backup[1]);
3076                 b43_radio_write16(dev, 0x0043, backup[2]);
3077                 b43_write16(dev, 0x03E2, backup[7]);
3078                 b43_write16(dev, 0x03E6, backup[8]);
3079                 b43_write16(dev, B43_MMIO_CHANNEL_EXT, backup[9]);
3080                 b43_phy_write(dev, 0x0015, backup[3]);
3081                 b43_phy_write(dev, 0x005A, backup[4]);
3082                 b43_phy_write(dev, 0x0059, backup[5]);
3083                 b43_phy_write(dev, 0x0058, backup[6]);
3084                 b43_synth_pu_workaround(dev, phy->channel);
3085                 b43_phy_write(dev, 0x0802,
3086                               b43_phy_read(dev, 0x0802) | (0x0001 | 0x0002));
3087                 b43_set_original_gains(dev);
3088                 b43_phy_write(dev, B43_PHY_G_CRS,
3089                               b43_phy_read(dev, B43_PHY_G_CRS) | 0x8000);
3090                 if (phy->rev >= 3) {
3091                         b43_phy_write(dev, 0x0801, backup[14]);
3092                         b43_phy_write(dev, 0x0060, backup[15]);
3093                         b43_phy_write(dev, 0x0014, backup[16]);
3094                         b43_phy_write(dev, 0x0478, backup[17]);
3095                 }
3096                 b43_nrssi_mem_update(dev);
3097                 b43_calc_nrssi_threshold(dev);
3098                 break;
3099         default:
3100                 B43_WARN_ON(1);
3101         }
3102 }
3103
3104 void b43_calc_nrssi_threshold(struct b43_wldev *dev)
3105 {
3106         struct b43_phy *phy = &dev->phy;
3107         s32 threshold;
3108         s32 a, b;
3109         s16 tmp16;
3110         u16 tmp_u16;
3111
3112         switch (phy->type) {
3113         case B43_PHYTYPE_B:{
3114                         if (phy->radio_ver != 0x2050)
3115                                 return;
3116                         if (!
3117                             (dev->dev->bus->sprom.r1.
3118                              boardflags_lo & B43_BFL_RSSI))
3119                                 return;
3120
3121                         if (phy->radio_rev >= 6) {
3122                                 threshold =
3123                                     (phy->nrssi[1] - phy->nrssi[0]) * 32;
3124                                 threshold += 20 * (phy->nrssi[0] + 1);
3125                                 threshold /= 40;
3126                         } else
3127                                 threshold = phy->nrssi[1] - 5;
3128
3129                         threshold = limit_value(threshold, 0, 0x3E);
3130                         b43_phy_read(dev, 0x0020);      /* dummy read */
3131                         b43_phy_write(dev, 0x0020,
3132                                       (((u16) threshold) << 8) | 0x001C);
3133
3134                         if (phy->radio_rev >= 6) {
3135                                 b43_phy_write(dev, 0x0087, 0x0E0D);
3136                                 b43_phy_write(dev, 0x0086, 0x0C0B);
3137                                 b43_phy_write(dev, 0x0085, 0x0A09);
3138                                 b43_phy_write(dev, 0x0084, 0x0808);
3139                                 b43_phy_write(dev, 0x0083, 0x0808);
3140                                 b43_phy_write(dev, 0x0082, 0x0604);
3141                                 b43_phy_write(dev, 0x0081, 0x0302);
3142                                 b43_phy_write(dev, 0x0080, 0x0100);
3143                         }
3144                         break;
3145                 }
3146         case B43_PHYTYPE_G:
3147                 if (!phy->gmode ||
3148                     !(dev->dev->bus->sprom.r1.boardflags_lo & B43_BFL_RSSI)) {
3149                         tmp16 = b43_nrssi_hw_read(dev, 0x20);
3150                         if (tmp16 >= 0x20)
3151                                 tmp16 -= 0x40;
3152                         if (tmp16 < 3) {
3153                                 b43_phy_write(dev, 0x048A,
3154                                               (b43_phy_read(dev, 0x048A)
3155                                                & 0xF000) | 0x09EB);
3156                         } else {
3157                                 b43_phy_write(dev, 0x048A,
3158                                               (b43_phy_read(dev, 0x048A)
3159                                                & 0xF000) | 0x0AED);
3160                         }
3161                 } else {
3162                         if (phy->interfmode == B43_INTERFMODE_NONWLAN) {
3163                                 a = 0xE;
3164                                 b = 0xA;
3165                         } else if (!phy->aci_wlan_automatic && phy->aci_enable) {
3166                                 a = 0x13;
3167                                 b = 0x12;
3168                         } else {
3169                                 a = 0xE;
3170                                 b = 0x11;
3171                         }
3172
3173                         a = a * (phy->nrssi[1] - phy->nrssi[0]);
3174                         a += (phy->nrssi[0] << 6);
3175                         if (a < 32)
3176                                 a += 31;
3177                         else
3178                                 a += 32;
3179                         a = a >> 6;
3180                         a = limit_value(a, -31, 31);
3181
3182                         b = b * (phy->nrssi[1] - phy->nrssi[0]);
3183                         b += (phy->nrssi[0] << 6);
3184                         if (b < 32)
3185                                 b += 31;
3186                         else
3187                                 b += 32;
3188                         b = b >> 6;
3189                         b = limit_value(b, -31, 31);
3190
3191                         tmp_u16 = b43_phy_read(dev, 0x048A) & 0xF000;
3192                         tmp_u16 |= ((u32) b & 0x0000003F);
3193                         tmp_u16 |= (((u32) a & 0x0000003F) << 6);
3194                         b43_phy_write(dev, 0x048A, tmp_u16);
3195                 }
3196                 break;
3197         default:
3198                 B43_WARN_ON(1);
3199         }
3200 }
3201
3202 /* Stack implementation to save/restore values from the
3203  * interference mitigation code.
3204  * It is save to restore values in random order.
3205  */
3206 static void _stack_save(u32 * _stackptr, size_t * stackidx,
3207                         u8 id, u16 offset, u16 value)
3208 {
3209         u32 *stackptr = &(_stackptr[*stackidx]);
3210
3211         B43_WARN_ON(offset & 0xF000);
3212         B43_WARN_ON(id & 0xF0);
3213         *stackptr = offset;
3214         *stackptr |= ((u32) id) << 12;
3215         *stackptr |= ((u32) value) << 16;
3216         (*stackidx)++;
3217         B43_WARN_ON(*stackidx >= B43_INTERFSTACK_SIZE);
3218 }
3219
3220 static u16 _stack_restore(u32 * stackptr, u8 id, u16 offset)
3221 {
3222         size_t i;
3223
3224         B43_WARN_ON(offset & 0xF000);
3225         B43_WARN_ON(id & 0xF0);
3226         for (i = 0; i < B43_INTERFSTACK_SIZE; i++, stackptr++) {
3227                 if ((*stackptr & 0x00000FFF) != offset)
3228                         continue;
3229                 if (((*stackptr & 0x0000F000) >> 12) != id)
3230                         continue;
3231                 return ((*stackptr & 0xFFFF0000) >> 16);
3232         }
3233         B43_WARN_ON(1);
3234
3235         return 0;
3236 }
3237
3238 #define phy_stacksave(offset)                                   \
3239         do {                                                    \
3240                 _stack_save(stack, &stackidx, 0x1, (offset),    \
3241                             b43_phy_read(dev, (offset)));       \
3242         } while (0)
3243 #define phy_stackrestore(offset)                                \
3244         do {                                                    \
3245                 b43_phy_write(dev, (offset),            \
3246                                   _stack_restore(stack, 0x1,    \
3247                                                  (offset)));    \
3248         } while (0)
3249 #define radio_stacksave(offset)                                         \
3250         do {                                                            \
3251                 _stack_save(stack, &stackidx, 0x2, (offset),            \
3252                             b43_radio_read16(dev, (offset)));   \
3253         } while (0)
3254 #define radio_stackrestore(offset)                                      \
3255         do {                                                            \
3256                 b43_radio_write16(dev, (offset),                        \
3257                                       _stack_restore(stack, 0x2,        \
3258                                                      (offset)));        \
3259         } while (0)
3260 #define ofdmtab_stacksave(table, offset)                        \
3261         do {                                                    \
3262                 _stack_save(stack, &stackidx, 0x3, (offset)|(table),    \
3263                             b43_ofdmtab_read16(dev, (table), (offset)));        \
3264         } while (0)
3265 #define ofdmtab_stackrestore(table, offset)                     \
3266         do {                                                    \
3267                 b43_ofdmtab_write16(dev, (table),       (offset),       \
3268                                   _stack_restore(stack, 0x3,    \
3269                                                  (offset)|(table)));    \
3270         } while (0)
3271
3272 static void
3273 b43_radio_interference_mitigation_enable(struct b43_wldev *dev, int mode)
3274 {
3275         struct b43_phy *phy = &dev->phy;
3276         u16 tmp, flipped;
3277         size_t stackidx = 0;
3278         u32 *stack = phy->interfstack;
3279
3280         switch (mode) {
3281         case B43_INTERFMODE_NONWLAN:
3282                 if (phy->rev != 1) {
3283                         b43_phy_write(dev, 0x042B,
3284                                       b43_phy_read(dev, 0x042B) | 0x0800);
3285                         b43_phy_write(dev, B43_PHY_G_CRS,
3286                                       b43_phy_read(dev,
3287                                                    B43_PHY_G_CRS) & ~0x4000);
3288                         break;
3289                 }
3290                 radio_stacksave(0x0078);
3291                 tmp = (b43_radio_read16(dev, 0x0078) & 0x001E);
3292                 flipped = flip_4bit(tmp);
3293                 if (flipped < 10 && flipped >= 8)
3294                         flipped = 7;
3295                 else if (flipped >= 10)
3296                         flipped -= 3;
3297                 flipped = flip_4bit(flipped);
3298                 flipped = (flipped << 1) | 0x0020;
3299                 b43_radio_write16(dev, 0x0078, flipped);
3300
3301                 b43_calc_nrssi_threshold(dev);
3302
3303                 phy_stacksave(0x0406);
3304                 b43_phy_write(dev, 0x0406, 0x7E28);
3305
3306                 b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) | 0x0800);
3307                 b43_phy_write(dev, B43_PHY_RADIO_BITFIELD,
3308                               b43_phy_read(dev,
3309                                            B43_PHY_RADIO_BITFIELD) | 0x1000);
3310
3311                 phy_stacksave(0x04A0);
3312                 b43_phy_write(dev, 0x04A0,
3313                               (b43_phy_read(dev, 0x04A0) & 0xC0C0) | 0x0008);
3314                 phy_stacksave(0x04A1);
3315                 b43_phy_write(dev, 0x04A1,
3316                               (b43_phy_read(dev, 0x04A1) & 0xC0C0) | 0x0605);
3317                 phy_stacksave(0x04A2);
3318                 b43_phy_write(dev, 0x04A2,
3319                               (b43_phy_read(dev, 0x04A2) & 0xC0C0) | 0x0204);
3320                 phy_stacksave(0x04A8);
3321                 b43_phy_write(dev, 0x04A8,
3322                               (b43_phy_read(dev, 0x04A8) & 0xC0C0) | 0x0803);
3323                 phy_stacksave(0x04AB);
3324                 b43_phy_write(dev, 0x04AB,
3325                               (b43_phy_read(dev, 0x04AB) & 0xC0C0) | 0x0605);
3326
3327                 phy_stacksave(0x04A7);
3328                 b43_phy_write(dev, 0x04A7, 0x0002);
3329                 phy_stacksave(0x04A3);
3330                 b43_phy_write(dev, 0x04A3, 0x287A);
3331                 phy_stacksave(0x04A9);
3332                 b43_phy_write(dev, 0x04A9, 0x2027);
3333                 phy_stacksave(0x0493);
3334                 b43_phy_write(dev, 0x0493, 0x32F5);
3335                 phy_stacksave(0x04AA);
3336                 b43_phy_write(dev, 0x04AA, 0x2027);
3337                 phy_stacksave(0x04AC);
3338                 b43_phy_write(dev, 0x04AC, 0x32F5);
3339                 break;
3340         case B43_INTERFMODE_MANUALWLAN:
3341                 if (b43_phy_read(dev, 0x0033) & 0x0800)
3342                         break;
3343
3344                 phy->aci_enable = 1;
3345
3346                 phy_stacksave(B43_PHY_RADIO_BITFIELD);
3347                 phy_stacksave(B43_PHY_G_CRS);
3348                 if (phy->rev < 2) {
3349                         phy_stacksave(0x0406);
3350                 } else {
3351                         phy_stacksave(0x04C0);
3352                         phy_stacksave(0x04C1);
3353                 }
3354                 phy_stacksave(0x0033);
3355                 phy_stacksave(0x04A7);
3356                 phy_stacksave(0x04A3);
3357                 phy_stacksave(0x04A9);
3358                 phy_stacksave(0x04AA);
3359                 phy_stacksave(0x04AC);
3360                 phy_stacksave(0x0493);
3361                 phy_stacksave(0x04A1);
3362                 phy_stacksave(0x04A0);
3363                 phy_stacksave(0x04A2);
3364                 phy_stacksave(0x048A);
3365                 phy_stacksave(0x04A8);
3366                 phy_stacksave(0x04AB);
3367                 if (phy->rev == 2) {
3368                         phy_stacksave(0x04AD);
3369                         phy_stacksave(0x04AE);
3370                 } else if (phy->rev >= 3) {
3371                         phy_stacksave(0x04AD);
3372                         phy_stacksave(0x0415);
3373                         phy_stacksave(0x0416);
3374                         phy_stacksave(0x0417);
3375                         ofdmtab_stacksave(0x1A00, 0x2);
3376                         ofdmtab_stacksave(0x1A00, 0x3);
3377                 }
3378                 phy_stacksave(0x042B);
3379                 phy_stacksave(0x048C);
3380
3381                 b43_phy_write(dev, B43_PHY_RADIO_BITFIELD,
3382                               b43_phy_read(dev, B43_PHY_RADIO_BITFIELD)
3383                               & ~0x1000);
3384                 b43_phy_write(dev, B43_PHY_G_CRS,
3385                               (b43_phy_read(dev, B43_PHY_G_CRS)
3386                                & 0xFFFC) | 0x0002);
3387
3388                 b43_phy_write(dev, 0x0033, 0x0800);
3389                 b43_phy_write(dev, 0x04A3, 0x2027);
3390                 b43_phy_write(dev, 0x04A9, 0x1CA8);
3391                 b43_phy_write(dev, 0x0493, 0x287A);
3392                 b43_phy_write(dev, 0x04AA, 0x1CA8);
3393                 b43_phy_write(dev, 0x04AC, 0x287A);
3394
3395                 b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0)
3396                                             & 0xFFC0) | 0x001A);
3397                 b43_phy_write(dev, 0x04A7, 0x000D);
3398
3399                 if (phy->rev < 2) {
3400                         b43_phy_write(dev, 0x0406, 0xFF0D);
3401                 } else if (phy->rev == 2) {
3402                         b43_phy_write(dev, 0x04C0, 0xFFFF);
3403                         b43_phy_write(dev, 0x04C1, 0x00A9);
3404                 } else {
3405                         b43_phy_write(dev, 0x04C0, 0x00C1);
3406                         b43_phy_write(dev, 0x04C1, 0x0059);
3407                 }
3408
3409                 b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1)
3410                                             & 0xC0FF) | 0x1800);
3411                 b43_phy_write(dev, 0x04A1, (b43_phy_read(dev, 0x04A1)
3412                                             & 0xFFC0) | 0x0015);
3413                 b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8)
3414                                             & 0xCFFF) | 0x1000);
3415                 b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8)
3416                                             & 0xF0FF) | 0x0A00);
3417                 b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB)
3418                                             & 0xCFFF) | 0x1000);
3419                 b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB)
3420                                             & 0xF0FF) | 0x0800);
3421                 b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB)
3422                                             & 0xFFCF) | 0x0010);
3423                 b43_phy_write(dev, 0x04AB, (b43_phy_read(dev, 0x04AB)
3424                                             & 0xFFF0) | 0x0005);
3425                 b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8)
3426                                             & 0xFFCF) | 0x0010);
3427                 b43_phy_write(dev, 0x04A8, (b43_phy_read(dev, 0x04A8)
3428                                             & 0xFFF0) | 0x0006);
3429                 b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2)
3430                                             & 0xF0FF) | 0x0800);
3431                 b43_phy_write(dev, 0x04A0, (b43_phy_read(dev, 0x04A0)
3432                                             & 0xF0FF) | 0x0500);
3433                 b43_phy_write(dev, 0x04A2, (b43_phy_read(dev, 0x04A2)
3434                                             & 0xFFF0) | 0x000B);
3435
3436                 if (phy->rev >= 3) {
3437                         b43_phy_write(dev, 0x048A, b43_phy_read(dev, 0x048A)
3438                                       & ~0x8000);
3439                         b43_phy_write(dev, 0x0415, (b43_phy_read(dev, 0x0415)
3440                                                     & 0x8000) | 0x36D8);
3441                         b43_phy_write(dev, 0x0416, (b43_phy_read(dev, 0x0416)
3442                                                     & 0x8000) | 0x36D8);
3443                         b43_phy_write(dev, 0x0417, (b43_phy_read(dev, 0x0417)
3444                                                     & 0xFE00) | 0x016D);
3445                 } else {
3446                         b43_phy_write(dev, 0x048A, b43_phy_read(dev, 0x048A)
3447                                       | 0x1000);
3448                         b43_phy_write(dev, 0x048A, (b43_phy_read(dev, 0x048A)
3449                                                     & 0x9FFF) | 0x2000);
3450                         b43_hf_write(dev, b43_hf_read(dev) | B43_HF_ACIW);
3451                 }
3452                 if (phy->rev >= 2) {
3453                         b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B)
3454                                       | 0x0800);
3455                 }
3456                 b43_phy_write(dev, 0x048C, (b43_phy_read(dev, 0x048C)
3457                                             & 0xF0FF) | 0x0200);
3458                 if (phy->rev == 2) {
3459                         b43_phy_write(dev, 0x04AE, (b43_phy_read(dev, 0x04AE)
3460                                                     & 0xFF00) | 0x007F);
3461                         b43_phy_write(dev, 0x04AD, (b43_phy_read(dev, 0x04AD)
3462                                                     & 0x00FF) | 0x1300);
3463                 } else if (phy->rev >= 6) {
3464                         b43_ofdmtab_write16(dev, 0x1A00, 0x3, 0x007F);
3465                         b43_ofdmtab_write16(dev, 0x1A00, 0x2, 0x007F);
3466                         b43_phy_write(dev, 0x04AD, b43_phy_read(dev, 0x04AD)
3467                                       & 0x00FF);
3468                 }
3469                 b43_calc_nrssi_slope(dev);
3470                 break;
3471         default:
3472                 B43_WARN_ON(1);
3473         }
3474 }
3475
3476 static void
3477 b43_radio_interference_mitigation_disable(struct b43_wldev *dev, int mode)
3478 {
3479         struct b43_phy *phy = &dev->phy;
3480         u32 *stack = phy->interfstack;
3481
3482         switch (mode) {
3483         case B43_INTERFMODE_NONWLAN:
3484                 if (phy->rev != 1) {
3485                         b43_phy_write(dev, 0x042B,
3486                                       b43_phy_read(dev, 0x042B) & ~0x0800);
3487                         b43_phy_write(dev, B43_PHY_G_CRS,
3488                                       b43_phy_read(dev,
3489                                                    B43_PHY_G_CRS) | 0x4000);
3490                         break;
3491                 }
3492                 radio_stackrestore(0x0078);
3493                 b43_calc_nrssi_threshold(dev);
3494                 phy_stackrestore(0x0406);
3495                 b43_phy_write(dev, 0x042B, b43_phy_read(dev, 0x042B) & ~0x0800);
3496                 if (!dev->bad_frames_preempt) {
3497                         b43_phy_write(dev, B43_PHY_RADIO_BITFIELD,
3498                                       b43_phy_read(dev, B43_PHY_RADIO_BITFIELD)
3499                                       & ~(1 << 11));
3500                 }
3501                 b43_phy_write(dev, B43_PHY_G_CRS,
3502                               b43_phy_read(dev, B43_PHY_G_CRS) | 0x4000);
3503                 phy_stackrestore(0x04A0);
3504                 phy_stackrestore(0x04A1);
3505                 phy_stackrestore(0x04A2);
3506                 phy_stackrestore(0x04A8);
3507                 phy_stackrestore(0x04AB);
3508                 phy_stackrestore(0x04A7);
3509                 phy_stackrestore(0x04A3);
3510                 phy_stackrestore(0x04A9);
3511                 phy_stackrestore(0x0493);
3512                 phy_stackrestore(0x04AA);
3513                 phy_stackrestore(0x04AC);
3514                 break;
3515         case B43_INTERFMODE_MANUALWLAN:
3516                 if (!(b43_phy_read(dev, 0x0033) & 0x0800))
3517                         break;
3518
3519                 phy->aci_enable = 0;
3520
3521                 phy_stackrestore(B43_PHY_RADIO_BITFIELD);
3522                 phy_stackrestore(B43_PHY_G_CRS);
3523                 phy_stackrestore(0x0033);
3524                 phy_stackrestore(0x04A3);
3525                 phy_stackrestore(0x04A9);
3526                 phy_stackrestore(0x0493);
3527                 phy_stackrestore(0x04AA);
3528                 phy_stackrestore(0x04AC);
3529                 phy_stackrestore(0x04A0);
3530                 phy_stackrestore(0x04A7);
3531                 if (phy->rev >= 2) {
3532                         phy_stackrestore(0x04C0);
3533                         phy_stackrestore(0x04C1);
3534                 } else
3535                         phy_stackrestore(0x0406);
3536                 phy_stackrestore(0x04A1);
3537                 phy_stackrestore(0x04AB);
3538                 phy_stackrestore(0x04A8);
3539                 if (phy->rev == 2) {
3540                         phy_stackrestore(0x04AD);
3541                         phy_stackrestore(0x04AE);
3542                 } else if (phy->rev >= 3) {
3543                         phy_stackrestore(0x04AD);
3544                         phy_stackrestore(0x0415);
3545                         phy_stackrestore(0x0416);
3546                         phy_stackrestore(0x0417);
3547                         ofdmtab_stackrestore(0x1A00, 0x2);
3548                         ofdmtab_stackrestore(0x1A00, 0x3);
3549                 }
3550                 phy_stackrestore(0x04A2);
3551                 phy_stackrestore(0x048A);
3552                 phy_stackrestore(0x042B);
3553                 phy_stackrestore(0x048C);
3554                 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_ACIW);
3555                 b43_calc_nrssi_slope(dev);
3556                 break;
3557         default:
3558                 B43_WARN_ON(1);
3559         }
3560 }
3561
3562 #undef phy_stacksave
3563 #undef phy_stackrestore
3564 #undef radio_stacksave
3565 #undef radio_stackrestore
3566 #undef ofdmtab_stacksave
3567 #undef ofdmtab_stackrestore
3568
3569 int b43_radio_set_interference_mitigation(struct b43_wldev *dev, int mode)
3570 {
3571         struct b43_phy *phy = &dev->phy;
3572         int currentmode;
3573
3574         if ((phy->type != B43_PHYTYPE_G) || (phy->rev == 0) || (!phy->gmode))
3575                 return -ENODEV;
3576
3577         phy->aci_wlan_automatic = 0;
3578         switch (mode) {
3579         case B43_INTERFMODE_AUTOWLAN:
3580                 phy->aci_wlan_automatic = 1;
3581                 if (phy->aci_enable)
3582                         mode = B43_INTERFMODE_MANUALWLAN;
3583                 else
3584                         mode = B43_INTERFMODE_NONE;
3585                 break;
3586         case B43_INTERFMODE_NONE:
3587         case B43_INTERFMODE_NONWLAN:
3588         case B43_INTERFMODE_MANUALWLAN:
3589                 break;
3590         default:
3591                 return -EINVAL;
3592         }
3593
3594         currentmode = phy->interfmode;
3595         if (currentmode == mode)
3596                 return 0;
3597         if (currentmode != B43_INTERFMODE_NONE)
3598                 b43_radio_interference_mitigation_disable(dev, currentmode);
3599
3600         if (mode == B43_INTERFMODE_NONE) {
3601                 phy->aci_enable = 0;
3602                 phy->aci_hw_rssi = 0;
3603         } else
3604                 b43_radio_interference_mitigation_enable(dev, mode);
3605         phy->interfmode = mode;
3606
3607         return 0;
3608 }
3609
3610 static u16 b43_radio_core_calibration_value(struct b43_wldev *dev)
3611 {
3612         u16 reg, index, ret;
3613
3614         static const u8 rcc_table[] = {
3615                 0x02, 0x03, 0x01, 0x0F,
3616                 0x06, 0x07, 0x05, 0x0F,
3617                 0x0A, 0x0B, 0x09, 0x0F,
3618                 0x0E, 0x0F, 0x0D, 0x0F,
3619         };
3620
3621         reg = b43_radio_read16(dev, 0x60);
3622         index = (reg & 0x001E) >> 1;
3623         ret = rcc_table[index] << 1;
3624         ret |= (reg & 0x0001);
3625         ret |= 0x0020;
3626
3627         return ret;
3628 }
3629
3630 #define LPD(L, P, D)    (((L) << 2) | ((P) << 1) | ((D) << 0))
3631 static u16 radio2050_rfover_val(struct b43_wldev *dev,
3632                                 u16 phy_register, unsigned int lpd)
3633 {
3634         struct b43_phy *phy = &dev->phy;
3635         struct ssb_sprom *sprom = &(dev->dev->bus->sprom);
3636
3637         if (!phy->gmode)
3638                 return 0;
3639
3640         if (has_loopback_gain(phy)) {
3641                 int max_lb_gain = phy->max_lb_gain;
3642                 u16 extlna;
3643                 u16 i;
3644
3645                 if (phy->radio_rev == 8)
3646                         max_lb_gain += 0x3E;
3647                 else
3648                         max_lb_gain += 0x26;
3649                 if (max_lb_gain >= 0x46) {
3650                         extlna = 0x3000;
3651                         max_lb_gain -= 0x46;
3652                 } else if (max_lb_gain >= 0x3A) {
3653                         extlna = 0x1000;
3654                         max_lb_gain -= 0x3A;
3655                 } else if (max_lb_gain >= 0x2E) {
3656                         extlna = 0x2000;
3657                         max_lb_gain -= 0x2E;
3658                 } else {
3659                         extlna = 0;
3660                         max_lb_gain -= 0x10;
3661                 }
3662
3663                 for (i = 0; i < 16; i++) {
3664                         max_lb_gain -= (i * 6);
3665                         if (max_lb_gain < 6)
3666                                 break;
3667                 }
3668
3669                 if ((phy->rev < 7) ||
3670                     !(sprom->r1.boardflags_lo & B43_BFL_EXTLNA)) {
3671                         if (phy_register == B43_PHY_RFOVER) {
3672                                 return 0x1B3;
3673                         } else if (phy_register == B43_PHY_RFOVERVAL) {
3674                                 extlna |= (i << 8);
3675                                 switch (lpd) {
3676                                 case LPD(0, 1, 1):
3677                                         return 0x0F92;
3678                                 case LPD(0, 0, 1):
3679                                 case LPD(1, 0, 1):
3680                                         return (0x0092 | extlna);
3681                                 case LPD(1, 0, 0):
3682                                         return (0x0093 | extlna);
3683                                 }
3684                                 B43_WARN_ON(1);
3685                         }
3686                         B43_WARN_ON(1);
3687                 } else {
3688                         if (phy_register == B43_PHY_RFOVER) {
3689                                 return 0x9B3;
3690                         } else if (phy_register == B43_PHY_RFOVERVAL) {
3691                                 if (extlna)
3692                                         extlna |= 0x8000;
3693                                 extlna |= (i << 8);
3694                                 switch (lpd) {
3695                                 case LPD(0, 1, 1):
3696                                         return 0x8F92;
3697                                 case LPD(0, 0, 1):
3698                                         return (0x8092 | extlna);
3699                                 case LPD(1, 0, 1):
3700                                         return (0x2092 | extlna);
3701                                 case LPD(1, 0, 0):
3702                                         return (0x2093 | extlna);
3703                                 }
3704                                 B43_WARN_ON(1);
3705                         }
3706                         B43_WARN_ON(1);
3707                 }
3708         } else {
3709                 if ((phy->rev < 7) ||
3710                     !(sprom->r1.boardflags_lo & B43_BFL_EXTLNA)) {
3711                         if (phy_register == B43_PHY_RFOVER) {
3712                                 return 0x1B3;
3713                         } else if (phy_register == B43_PHY_RFOVERVAL) {
3714                                 switch (lpd) {
3715                                 case LPD(0, 1, 1):
3716                                         return 0x0FB2;
3717                                 case LPD(0, 0, 1):
3718                                         return 0x00B2;
3719                                 case LPD(1, 0, 1):
3720                                         return 0x30B2;
3721                                 case LPD(1, 0, 0):
3722                                         return 0x30B3;
3723                                 }
3724                                 B43_WARN_ON(1);
3725                         }
3726                         B43_WARN_ON(1);
3727                 } else {
3728                         if (phy_register == B43_PHY_RFOVER) {
3729                                 return 0x9B3;
3730                         } else if (phy_register == B43_PHY_RFOVERVAL) {
3731                                 switch (lpd) {
3732                                 case LPD(0, 1, 1):
3733                                         return 0x8FB2;
3734                                 case LPD(0, 0, 1):
3735                                         return 0x80B2;
3736                                 case LPD(1, 0, 1):
3737                                         return 0x20B2;
3738                                 case LPD(1, 0, 0):
3739                                         return 0x20B3;
3740                                 }
3741                                 B43_WARN_ON(1);
3742                         }
3743                         B43_WARN_ON(1);
3744                 }
3745         }
3746         return 0;
3747 }
3748
3749 struct init2050_saved_values {
3750         /* Core registers */
3751         u16 reg_3EC;
3752         u16 reg_3E6;
3753         u16 reg_3F4;
3754         /* Radio registers */
3755         u16 radio_43;
3756         u16 radio_51;
3757         u16 radio_52;
3758         /* PHY registers */
3759         u16 phy_pgactl;
3760         u16 phy_base_5A;
3761         u16 phy_base_59;
3762         u16 phy_base_58;
3763         u16 phy_base_30;
3764         u16 phy_rfover;
3765         u16 phy_rfoverval;
3766         u16 phy_analogover;
3767         u16 phy_analogoverval;
3768         u16 phy_crs0;
3769         u16 phy_classctl;
3770         u16 phy_lo_mask;
3771         u16 phy_lo_ctl;
3772         u16 phy_syncctl;
3773 };
3774
3775 u16 b43_radio_init2050(struct b43_wldev *dev)
3776 {
3777         struct b43_phy *phy = &dev->phy;
3778         struct init2050_saved_values sav;
3779         u16 rcc;
3780         u16 radio78;
3781         u16 ret;
3782         u16 i, j;
3783         u32 tmp1 = 0, tmp2 = 0;
3784
3785         memset(&sav, 0, sizeof(sav));   /* get rid of "may be used uninitialized..." */
3786
3787         sav.radio_43 = b43_radio_read16(dev, 0x43);
3788         sav.radio_51 = b43_radio_read16(dev, 0x51);
3789         sav.radio_52 = b43_radio_read16(dev, 0x52);
3790         sav.phy_pgactl = b43_phy_read(dev, B43_PHY_PGACTL);
3791         sav.phy_base_5A = b43_phy_read(dev, B43_PHY_BASE(0x5A));
3792         sav.phy_base_59 = b43_phy_read(dev, B43_PHY_BASE(0x59));
3793         sav.phy_base_58 = b43_phy_read(dev, B43_PHY_BASE(0x58));
3794
3795         if (phy->type == B43_PHYTYPE_B) {
3796                 sav.phy_base_30 = b43_phy_read(dev, B43_PHY_BASE(0x30));
3797                 sav.reg_3EC = b43_read16(dev, 0x3EC);
3798
3799                 b43_phy_write(dev, B43_PHY_BASE(0x30), 0xFF);
3800                 b43_write16(dev, 0x3EC, 0x3F3F);
3801         } else if (phy->gmode || phy->rev >= 2) {
3802                 sav.phy_rfover = b43_phy_read(dev, B43_PHY_RFOVER);
3803                 sav.phy_rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
3804                 sav.phy_analogover = b43_phy_read(dev, B43_PHY_ANALOGOVER);
3805                 sav.phy_analogoverval =
3806                     b43_phy_read(dev, B43_PHY_ANALOGOVERVAL);
3807                 sav.phy_crs0 = b43_phy_read(dev, B43_PHY_CRS0);
3808                 sav.phy_classctl = b43_phy_read(dev, B43_PHY_CLASSCTL);
3809
3810                 b43_phy_write(dev, B43_PHY_ANALOGOVER,
3811                               b43_phy_read(dev, B43_PHY_ANALOGOVER)
3812                               | 0x0003);
3813                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
3814                               b43_phy_read(dev, B43_PHY_ANALOGOVERVAL)
3815                               & 0xFFFC);
3816                 b43_phy_write(dev, B43_PHY_CRS0, b43_phy_read(dev, B43_PHY_CRS0)
3817                               & 0x7FFF);
3818                 b43_phy_write(dev, B43_PHY_CLASSCTL,
3819                               b43_phy_read(dev, B43_PHY_CLASSCTL)
3820                               & 0xFFFC);
3821                 if (has_loopback_gain(phy)) {
3822                         sav.phy_lo_mask = b43_phy_read(dev, B43_PHY_LO_MASK);
3823                         sav.phy_lo_ctl = b43_phy_read(dev, B43_PHY_LO_CTL);
3824
3825                         if (phy->rev >= 3)
3826                                 b43_phy_write(dev, B43_PHY_LO_MASK, 0xC020);
3827                         else
3828                                 b43_phy_write(dev, B43_PHY_LO_MASK, 0x8020);
3829                         b43_phy_write(dev, B43_PHY_LO_CTL, 0);
3830                 }
3831
3832                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3833                               radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
3834                                                    LPD(0, 1, 1)));
3835                 b43_phy_write(dev, B43_PHY_RFOVER,
3836                               radio2050_rfover_val(dev, B43_PHY_RFOVER, 0));
3837         }
3838         b43_write16(dev, 0x3E2, b43_read16(dev, 0x3E2) | 0x8000);
3839
3840         sav.phy_syncctl = b43_phy_read(dev, B43_PHY_SYNCCTL);
3841         b43_phy_write(dev, B43_PHY_SYNCCTL, b43_phy_read(dev, B43_PHY_SYNCCTL)
3842                       & 0xFF7F);
3843         sav.reg_3E6 = b43_read16(dev, 0x3E6);
3844         sav.reg_3F4 = b43_read16(dev, 0x3F4);
3845
3846         if (phy->analog == 0) {
3847                 b43_write16(dev, 0x03E6, 0x0122);
3848         } else {
3849                 if (phy->analog >= 2) {
3850                         b43_phy_write(dev, B43_PHY_BASE(0x03),
3851                                       (b43_phy_read(dev, B43_PHY_BASE(0x03))
3852                                        & 0xFFBF) | 0x40);
3853                 }
3854                 b43_write16(dev, B43_MMIO_CHANNEL_EXT,
3855                             (b43_read16(dev, B43_MMIO_CHANNEL_EXT) | 0x2000));
3856         }
3857
3858         rcc = b43_radio_core_calibration_value(dev);
3859
3860         if (phy->type == B43_PHYTYPE_B)
3861                 b43_radio_write16(dev, 0x78, 0x26);
3862         if (phy->gmode || phy->rev >= 2) {
3863                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3864                               radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
3865                                                    LPD(0, 1, 1)));
3866         }
3867         b43_phy_write(dev, B43_PHY_PGACTL, 0xBFAF);
3868         b43_phy_write(dev, B43_PHY_BASE(0x2B), 0x1403);
3869         if (phy->gmode || phy->rev >= 2) {
3870                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3871                               radio2050_rfover_val(dev, B43_PHY_RFOVERVAL,
3872                                                    LPD(0, 0, 1)));
3873         }
3874         b43_phy_write(dev, B43_PHY_PGACTL, 0xBFA0);
3875         b43_radio_write16(dev, 0x51, b43_radio_read16(dev, 0x51)
3876                           | 0x0004);
3877         if (phy->radio_rev == 8) {
3878                 b43_radio_write16(dev, 0x43, 0x1F);
3879         } else {
3880                 b43_radio_write16(dev, 0x52, 0);
3881                 b43_radio_write16(dev, 0x43, (b43_radio_read16(dev, 0x43)
3882                                               & 0xFFF0) | 0x0009);
3883         }
3884         b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
3885
3886         for (i = 0; i < 16; i++) {
3887                 b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0480);
3888                 b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810);
3889                 b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D);
3890                 if (phy->gmode || phy->rev >= 2) {
3891                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
3892                                       radio2050_rfover_val(dev,
3893                                                            B43_PHY_RFOVERVAL,
3894                                                            LPD(1, 0, 1)));
3895                 }
3896                 b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
3897                 udelay(10);
3898                 if (phy->gmode || phy->rev >= 2) {
3899                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
3900                                       radio2050_rfover_val(dev,
3901                                                            B43_PHY_RFOVERVAL,
3902                                                            LPD(1, 0, 1)));
3903                 }
3904                 b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
3905                 udelay(10);
3906                 if (phy->gmode || phy->rev >= 2) {
3907                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
3908                                       radio2050_rfover_val(dev,
3909                                                            B43_PHY_RFOVERVAL,
3910                                                            LPD(1, 0, 0)));
3911                 }
3912                 b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
3913                 udelay(20);
3914                 tmp1 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
3915                 b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
3916                 if (phy->gmode || phy->rev >= 2) {
3917                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
3918                                       radio2050_rfover_val(dev,
3919                                                            B43_PHY_RFOVERVAL,
3920                                                            LPD(1, 0, 1)));
3921                 }
3922                 b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
3923         }
3924         udelay(10);
3925
3926         b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
3927         tmp1++;
3928         tmp1 >>= 9;
3929
3930         for (i = 0; i < 16; i++) {
3931                 radio78 = ((flip_4bit(i) << 1) | 0x20);
3932                 b43_radio_write16(dev, 0x78, radio78);
3933                 udelay(10);
3934                 for (j = 0; j < 16; j++) {
3935                         b43_phy_write(dev, B43_PHY_BASE(0x5A), 0x0D80);
3936                         b43_phy_write(dev, B43_PHY_BASE(0x59), 0xC810);
3937                         b43_phy_write(dev, B43_PHY_BASE(0x58), 0x000D);
3938                         if (phy->gmode || phy->rev >= 2) {
3939                                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3940                                               radio2050_rfover_val(dev,
3941                                                                    B43_PHY_RFOVERVAL,
3942                                                                    LPD(1, 0,
3943                                                                        1)));
3944                         }
3945                         b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
3946                         udelay(10);
3947                         if (phy->gmode || phy->rev >= 2) {
3948                                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3949                                               radio2050_rfover_val(dev,
3950                                                                    B43_PHY_RFOVERVAL,
3951                                                                    LPD(1, 0,
3952                                                                        1)));
3953                         }
3954                         b43_phy_write(dev, B43_PHY_PGACTL, 0xEFB0);
3955                         udelay(10);
3956                         if (phy->gmode || phy->rev >= 2) {
3957                                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3958                                               radio2050_rfover_val(dev,
3959                                                                    B43_PHY_RFOVERVAL,
3960                                                                    LPD(1, 0,
3961                                                                        0)));
3962                         }
3963                         b43_phy_write(dev, B43_PHY_PGACTL, 0xFFF0);
3964                         udelay(10);
3965                         tmp2 += b43_phy_read(dev, B43_PHY_LO_LEAKAGE);
3966                         b43_phy_write(dev, B43_PHY_BASE(0x58), 0);
3967                         if (phy->gmode || phy->rev >= 2) {
3968                                 b43_phy_write(dev, B43_PHY_RFOVERVAL,
3969                                               radio2050_rfover_val(dev,
3970                                                                    B43_PHY_RFOVERVAL,
3971                                                                    LPD(1, 0,
3972                                                                        1)));
3973                         }
3974                         b43_phy_write(dev, B43_PHY_PGACTL, 0xAFB0);
3975                 }
3976                 tmp2++;
3977                 tmp2 >>= 8;
3978                 if (tmp1 < tmp2)
3979                         break;
3980         }
3981
3982         /* Restore the registers */
3983         b43_phy_write(dev, B43_PHY_PGACTL, sav.phy_pgactl);
3984         b43_radio_write16(dev, 0x51, sav.radio_51);
3985         b43_radio_write16(dev, 0x52, sav.radio_52);
3986         b43_radio_write16(dev, 0x43, sav.radio_43);
3987         b43_phy_write(dev, B43_PHY_BASE(0x5A), sav.phy_base_5A);
3988         b43_phy_write(dev, B43_PHY_BASE(0x59), sav.phy_base_59);
3989         b43_phy_write(dev, B43_PHY_BASE(0x58), sav.phy_base_58);
3990         b43_write16(dev, 0x3E6, sav.reg_3E6);
3991         if (phy->analog != 0)
3992                 b43_write16(dev, 0x3F4, sav.reg_3F4);
3993         b43_phy_write(dev, B43_PHY_SYNCCTL, sav.phy_syncctl);
3994         b43_synth_pu_workaround(dev, phy->channel);
3995         if (phy->type == B43_PHYTYPE_B) {
3996                 b43_phy_write(dev, B43_PHY_BASE(0x30), sav.phy_base_30);
3997                 b43_write16(dev, 0x3EC, sav.reg_3EC);
3998         } else if (phy->gmode) {
3999                 b43_write16(dev, B43_MMIO_PHY_RADIO,
4000                             b43_read16(dev, B43_MMIO_PHY_RADIO)
4001                             & 0x7FFF);
4002                 b43_phy_write(dev, B43_PHY_RFOVER, sav.phy_rfover);
4003                 b43_phy_write(dev, B43_PHY_RFOVERVAL, sav.phy_rfoverval);
4004                 b43_phy_write(dev, B43_PHY_ANALOGOVER, sav.phy_analogover);
4005                 b43_phy_write(dev, B43_PHY_ANALOGOVERVAL,
4006                               sav.phy_analogoverval);
4007                 b43_phy_write(dev, B43_PHY_CRS0, sav.phy_crs0);
4008                 b43_phy_write(dev, B43_PHY_CLASSCTL, sav.phy_classctl);
4009                 if (has_loopback_gain(phy)) {
4010                         b43_phy_write(dev, B43_PHY_LO_MASK, sav.phy_lo_mask);
4011                         b43_phy_write(dev, B43_PHY_LO_CTL, sav.phy_lo_ctl);
4012                 }
4013         }
4014         if (i > 15)
4015                 ret = radio78;
4016         else
4017                 ret = rcc;
4018
4019         return ret;
4020 }
4021
4022 void b43_radio_init2060(struct b43_wldev *dev)
4023 {
4024         int err;
4025
4026         b43_radio_write16(dev, 0x0004, 0x00C0);
4027         b43_radio_write16(dev, 0x0005, 0x0008);
4028         b43_radio_write16(dev, 0x0009, 0x0040);
4029         b43_radio_write16(dev, 0x0005, 0x00AA);
4030         b43_radio_write16(dev, 0x0032, 0x008F);
4031         b43_radio_write16(dev, 0x0006, 0x008F);
4032         b43_radio_write16(dev, 0x0034, 0x008F);
4033         b43_radio_write16(dev, 0x002C, 0x0007);
4034         b43_radio_write16(dev, 0x0082, 0x0080);
4035         b43_radio_write16(dev, 0x0080, 0x0000);
4036         b43_radio_write16(dev, 0x003F, 0x00DA);
4037         b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
4038         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0010);
4039         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
4040         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0020);
4041         msleep(1);              /* delay 400usec */
4042
4043         b43_radio_write16(dev, 0x0081,
4044                           (b43_radio_read16(dev, 0x0081) & ~0x0020) | 0x0010);
4045         msleep(1);              /* delay 400usec */
4046
4047         b43_radio_write16(dev, 0x0005,
4048                           (b43_radio_read16(dev, 0x0005) & ~0x0008) | 0x0008);
4049         b43_radio_write16(dev, 0x0085, b43_radio_read16(dev, 0x0085) & ~0x0010);
4050         b43_radio_write16(dev, 0x0005, b43_radio_read16(dev, 0x0005) & ~0x0008);
4051         b43_radio_write16(dev, 0x0081, b43_radio_read16(dev, 0x0081) & ~0x0040);
4052         b43_radio_write16(dev, 0x0081,
4053                           (b43_radio_read16(dev, 0x0081) & ~0x0040) | 0x0040);
4054         b43_radio_write16(dev, 0x0005,
4055                           (b43_radio_read16(dev, 0x0081) & ~0x0008) | 0x0008);
4056         b43_phy_write(dev, 0x0063, 0xDDC6);
4057         b43_phy_write(dev, 0x0069, 0x07BE);
4058         b43_phy_write(dev, 0x006A, 0x0000);
4059
4060         err = b43_radio_selectchannel(dev, B43_DEFAULT_CHANNEL_A, 0);
4061         B43_WARN_ON(err);
4062
4063         msleep(1);
4064 }
4065
4066 static inline u16 freq_r3A_value(u16 frequency)
4067 {
4068         u16 value;
4069
4070         if (frequency < 5091)
4071                 value = 0x0040;
4072         else if (frequency < 5321)
4073                 value = 0x0000;
4074         else if (frequency < 5806)
4075                 value = 0x0080;
4076         else
4077                 value = 0x0040;
4078
4079         return value;
4080 }
4081
4082 void b43_radio_set_tx_iq(struct b43_wldev *dev)
4083 {
4084         static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
4085         static const u8 data_low[5] = { 0x00, 0x01, 0x05, 0x06, 0x0A };
4086         u16 tmp = b43_radio_read16(dev, 0x001E);
4087         int i, j;
4088
4089         for (i = 0; i < 5; i++) {
4090                 for (j = 0; j < 5; j++) {
4091                         if (tmp == (data_high[i] << 4 | data_low[j])) {
4092                                 b43_phy_write(dev, 0x0069,
4093                                               (i - j) << 8 | 0x00C0);
4094                                 return;
4095                         }
4096                 }
4097         }
4098 }
4099
4100 int b43_radio_selectchannel(struct b43_wldev *dev,
4101                             u8 channel, int synthetic_pu_workaround)
4102 {
4103         struct b43_phy *phy = &dev->phy;
4104         u16 r8, tmp;
4105         u16 freq;
4106         u16 channelcookie;
4107
4108         if (channel == 0xFF) {
4109                 switch (phy->type) {
4110                 case B43_PHYTYPE_A:
4111                         channel = B43_DEFAULT_CHANNEL_A;
4112                         break;
4113                 case B43_PHYTYPE_B:
4114                 case B43_PHYTYPE_G:
4115                         channel = B43_DEFAULT_CHANNEL_BG;
4116                         break;
4117                 default:
4118                         B43_WARN_ON(1);
4119                 }
4120         }
4121
4122         /* First we set the channel radio code to prevent the
4123          * firmware from sending ghost packets.
4124          */
4125         channelcookie = channel;
4126         if (phy->type == B43_PHYTYPE_A)
4127                 channelcookie |= 0x100;
4128         b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_CHAN, channelcookie);
4129
4130         if (phy->type == B43_PHYTYPE_A) {
4131                 if (channel > 200)
4132                         return -EINVAL;
4133                 freq = channel2freq_a(channel);
4134
4135                 r8 = b43_radio_read16(dev, 0x0008);
4136                 b43_write16(dev, 0x03F0, freq);
4137                 b43_radio_write16(dev, 0x0008, r8);
4138
4139                 //TODO: write max channel TX power? to Radio 0x2D
4140                 tmp = b43_radio_read16(dev, 0x002E);
4141                 tmp &= 0x0080;
4142                 //TODO: OR tmp with the Power out estimation for this channel?
4143                 b43_radio_write16(dev, 0x002E, tmp);
4144
4145                 if (freq >= 4920 && freq <= 5500) {
4146                         /*
4147                          * r8 = (((freq * 15 * 0xE1FC780F) >> 32) / 29) & 0x0F;
4148                          *    = (freq * 0.025862069
4149                          */
4150                         r8 = 3 * freq / 116;    /* is equal to r8 = freq * 0.025862 */
4151                 }
4152                 b43_radio_write16(dev, 0x0007, (r8 << 4) | r8);
4153                 b43_radio_write16(dev, 0x0020, (r8 << 4) | r8);
4154                 b43_radio_write16(dev, 0x0021, (r8 << 4) | r8);
4155                 b43_radio_write16(dev, 0x0022, (b43_radio_read16(dev, 0x0022)
4156                                                 & 0x000F) | (r8 << 4));
4157                 b43_radio_write16(dev, 0x002A, (r8 << 4));
4158                 b43_radio_write16(dev, 0x002B, (r8 << 4));
4159                 b43_radio_write16(dev, 0x0008, (b43_radio_read16(dev, 0x0008)
4160                                                 & 0x00F0) | (r8 << 4));
4161                 b43_radio_write16(dev, 0x0029, (b43_radio_read16(dev, 0x0029)
4162                                                 & 0xFF0F) | 0x00B0);
4163                 b43_radio_write16(dev, 0x0035, 0x00AA);
4164                 b43_radio_write16(dev, 0x0036, 0x0085);
4165                 b43_radio_write16(dev, 0x003A, (b43_radio_read16(dev, 0x003A)
4166                                                 & 0xFF20) |
4167                                   freq_r3A_value(freq));
4168                 b43_radio_write16(dev, 0x003D,
4169                                   b43_radio_read16(dev, 0x003D) & 0x00FF);
4170                 b43_radio_write16(dev, 0x0081, (b43_radio_read16(dev, 0x0081)
4171                                                 & 0xFF7F) | 0x0080);
4172                 b43_radio_write16(dev, 0x0035,
4173                                   b43_radio_read16(dev, 0x0035) & 0xFFEF);
4174                 b43_radio_write16(dev, 0x0035, (b43_radio_read16(dev, 0x0035)
4175                                                 & 0xFFEF) | 0x0010);
4176                 b43_radio_set_tx_iq(dev);
4177                 //TODO: TSSI2dbm workaround
4178                 b43_phy_xmitpower(dev); //FIXME correct?
4179         } else {
4180                 if ((channel < 1) || (channel > 14))
4181                         return -EINVAL;
4182
4183                 if (synthetic_pu_workaround)
4184                         b43_synth_pu_workaround(dev, channel);
4185
4186                 b43_write16(dev, B43_MMIO_CHANNEL, channel2freq_bg(channel));
4187
4188                 if (channel == 14) {
4189                         if (dev->dev->bus->sprom.r1.country_code ==
4190                             SSB_SPROM1CCODE_JAPAN)
4191                                 b43_hf_write(dev,
4192                                              b43_hf_read(dev) & ~B43_HF_ACPR);
4193                         else
4194                                 b43_hf_write(dev,
4195                                              b43_hf_read(dev) | B43_HF_ACPR);
4196                         b43_write16(dev, B43_MMIO_CHANNEL_EXT,
4197                                     b43_read16(dev, B43_MMIO_CHANNEL_EXT)
4198                                     | (1 << 11));
4199                 } else {
4200                         b43_write16(dev, B43_MMIO_CHANNEL_EXT,
4201                                     b43_read16(dev, B43_MMIO_CHANNEL_EXT)
4202                                     & 0xF7BF);
4203                 }
4204         }
4205
4206         phy->channel = channel;
4207         /* Wait for the radio to tune to the channel and stabilize. */
4208         msleep(8);
4209
4210         return 0;
4211 }
4212
4213 /* http://bcm-specs.sipsolutions.net/TX_Gain_Base_Band */
4214 static u16 b43_get_txgain_base_band(u16 txpower)
4215 {
4216         u16 ret;
4217
4218         B43_WARN_ON(txpower > 63);
4219
4220         if (txpower >= 54)
4221                 ret = 2;
4222         else if (txpower >= 49)
4223                 ret = 4;
4224         else if (txpower >= 44)
4225                 ret = 5;
4226         else
4227                 ret = 6;
4228
4229         return ret;
4230 }
4231
4232 /* http://bcm-specs.sipsolutions.net/TX_Gain_Radio_Frequency_Power_Amplifier */
4233 static u16 b43_get_txgain_freq_power_amp(u16 txpower)
4234 {
4235         u16 ret;
4236
4237         B43_WARN_ON(txpower > 63);
4238
4239         if (txpower >= 32)
4240                 ret = 0;
4241         else if (txpower >= 25)
4242                 ret = 1;
4243         else if (txpower >= 20)
4244                 ret = 2;
4245         else if (txpower >= 12)
4246                 ret = 3;
4247         else
4248                 ret = 4;
4249
4250         return ret;
4251 }
4252
4253 /* http://bcm-specs.sipsolutions.net/TX_Gain_Digital_Analog_Converter */
4254 static u16 b43_get_txgain_dac(u16 txpower)
4255 {
4256         u16 ret;
4257
4258         B43_WARN_ON(txpower > 63);
4259
4260         if (txpower >= 54)
4261                 ret = txpower - 53;
4262         else if (txpower >= 49)
4263                 ret = txpower - 42;
4264         else if (txpower >= 44)
4265                 ret = txpower - 37;
4266         else if (txpower >= 32)
4267                 ret = txpower - 32;
4268         else if (txpower >= 25)
4269                 ret = txpower - 20;
4270         else if (txpower >= 20)
4271                 ret = txpower - 13;
4272         else if (txpower >= 12)
4273                 ret = txpower - 8;
4274         else
4275                 ret = txpower;
4276
4277         return ret;
4278 }
4279
4280 static void b43_radio_set_txpower_a(struct b43_wldev *dev, u16 txpower)
4281 {
4282         struct b43_phy *phy = &dev->phy;
4283         u16 pamp, base, dac, t;
4284
4285         txpower = limit_value(txpower, 0, 63);
4286
4287         pamp = b43_get_txgain_freq_power_amp(txpower);
4288         pamp <<= 5;
4289         pamp &= 0x00E0;
4290         b43_phy_write(dev, 0x0019, pamp);
4291
4292         base = b43_get_txgain_base_band(txpower);
4293         base &= 0x000F;
4294         b43_phy_write(dev, 0x0017, base | 0x0020);
4295
4296         t = b43_ofdmtab_read16(dev, 0x3000, 1);
4297         t &= 0x0007;
4298
4299         dac = b43_get_txgain_dac(txpower);
4300         dac <<= 3;
4301         dac |= t;
4302
4303         b43_ofdmtab_write16(dev, 0x3000, 1, dac);
4304
4305         phy->txpwr_offset = txpower;
4306
4307         //TODO: FuncPlaceholder (Adjust BB loft cancel)
4308 }
4309
4310 void b43_radio_turn_on(struct b43_wldev *dev)
4311 {
4312         struct b43_phy *phy = &dev->phy;
4313         int err;
4314         u8 channel;
4315
4316         might_sleep();
4317
4318         if (phy->radio_on)
4319                 return;
4320
4321         switch (phy->type) {
4322         case B43_PHYTYPE_A:
4323                 b43_radio_write16(dev, 0x0004, 0x00C0);
4324                 b43_radio_write16(dev, 0x0005, 0x0008);
4325                 b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
4326                 b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
4327                 b43_radio_init2060(dev);
4328                 break;
4329         case B43_PHYTYPE_B:
4330         case B43_PHYTYPE_G:
4331                 b43_phy_write(dev, 0x0015, 0x8000);
4332                 b43_phy_write(dev, 0x0015, 0xCC00);
4333                 b43_phy_write(dev, 0x0015, (phy->gmode ? 0x00C0 : 0x0000));
4334                 if (phy->radio_off_context.valid) {
4335                         /* Restore the RFover values. */
4336                         b43_phy_write(dev, B43_PHY_RFOVER,
4337                                       phy->radio_off_context.rfover);
4338                         b43_phy_write(dev, B43_PHY_RFOVERVAL,
4339                                       phy->radio_off_context.rfoverval);
4340                         phy->radio_off_context.valid = 0;
4341                 }
4342                 channel = phy->channel;
4343                 err = b43_radio_selectchannel(dev, B43_DEFAULT_CHANNEL_BG, 1);
4344                 err |= b43_radio_selectchannel(dev, channel, 0);
4345                 B43_WARN_ON(err);
4346                 break;
4347         default:
4348                 B43_WARN_ON(1);
4349         }
4350         phy->radio_on = 1;
4351 }
4352
4353 void b43_radio_turn_off(struct b43_wldev *dev, bool force)
4354 {
4355         struct b43_phy *phy = &dev->phy;
4356
4357         if (!phy->radio_on && !force)
4358                 return;
4359
4360         if (phy->type == B43_PHYTYPE_A) {
4361                 b43_radio_write16(dev, 0x0004, 0x00FF);
4362                 b43_radio_write16(dev, 0x0005, 0x00FB);
4363                 b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008);
4364                 b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008);
4365         }
4366         if (phy->type == B43_PHYTYPE_G && dev->dev->id.revision >= 5) {
4367                 u16 rfover, rfoverval;
4368
4369                 rfover = b43_phy_read(dev, B43_PHY_RFOVER);
4370                 rfoverval = b43_phy_read(dev, B43_PHY_RFOVERVAL);
4371                 if (!force) {
4372                         phy->radio_off_context.rfover = rfover;
4373                         phy->radio_off_context.rfoverval = rfoverval;
4374                         phy->radio_off_context.valid = 1;
4375                 }
4376                 b43_phy_write(dev, B43_PHY_RFOVER, rfover | 0x008C);
4377                 b43_phy_write(dev, B43_PHY_RFOVERVAL, rfoverval & 0xFF73);
4378         } else
4379                 b43_phy_write(dev, 0x0015, 0xAA00);
4380         phy->radio_on = 0;
4381 }