drivers/net/wireless/bcm43xx/bcm43xx_phy.c

   1 /*
   2
   3   Broadcom BCM43xx wireless driver
   4
   5   Copyright (c) 2005 Martin Langer <martin-langer@gmx.de>,
   6                      Stefano Brivio <st3@riseup.net>
   7                      Michael Buesch <mbuesch@freenet.de>
   8                      Danny van Dyk <kugelfang@gentoo.org>
   9                      Andreas Jaggi <andreas.jaggi@waterwave.ch>
  10
  11   Some parts of the code in this file are derived from the ipw2200
  12   driver  Copyright(c) 2003 - 2004 Intel Corporation.
  13
  14   This program is free software; you can redistribute it and/or modify
  15   it under the terms of the GNU General Public License as published by
  16   the Free Software Foundation; either version 2 of the License, or
  17   (at your option) any later version.
  18
  19   This program is distributed in the hope that it will be useful,
  20   but WITHOUT ANY WARRANTY; without even the implied warranty of
  21   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  22   GNU General Public License for more details.
  23
  24   You should have received a copy of the GNU General Public License
  25   along with this program; see the file COPYING.  If not, write to
  26   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  27   Boston, MA 02110-1301, USA.
  28
  29 */
  30
  31 #include <linux/delay.h>
  32 #include <linux/pci.h>
  33 #include <linux/types.h>
  34
  35 #include "bcm43xx.h"
  36 #include "bcm43xx_phy.h"
  37 #include "bcm43xx_main.h"
  38 #include "bcm43xx_radio.h"
  39 #include "bcm43xx_ilt.h"
  40 #include "bcm43xx_power.h"
  41
  42
  43 static const s8 bcm43xx_tssi2dbm_b_table[] = {
  44         0x4D, 0x4C, 0x4B, 0x4A,
  45         0x4A, 0x49, 0x48, 0x47,
  46         0x47, 0x46, 0x45, 0x45,
  47         0x44, 0x43, 0x42, 0x42,
  48         0x41, 0x40, 0x3F, 0x3E,
  49         0x3D, 0x3C, 0x3B, 0x3A,
  50         0x39, 0x38, 0x37, 0x36,
  51         0x35, 0x34, 0x32, 0x31,
  52         0x30, 0x2F, 0x2D, 0x2C,
  53         0x2B, 0x29, 0x28, 0x26,
  54         0x25, 0x23, 0x21, 0x1F,
  55         0x1D, 0x1A, 0x17, 0x14,
  56         0x10, 0x0C, 0x06, 0x00,
  57           -7,   -7,   -7,   -7,
  58           -7,   -7,   -7,   -7,
  59           -7,   -7,   -7,   -7,
  60 };
  61
  62 static const s8 bcm43xx_tssi2dbm_g_table[] = {
  63          77,  77,  77,  76,
  64          76,  76,  75,  75,
  65          74,  74,  73,  73,
  66          73,  72,  72,  71,
  67          71,  70,  70,  69,
  68          68,  68,  67,  67,
  69          66,  65,  65,  64,
  70          63,  63,  62,  61,
  71          60,  59,  58,  57,
  72          56,  55,  54,  53,
  73          52,  50,  49,  47,
  74          45,  43,  40,  37,
  75          33,  28,  22,  14,
  76           5,  -7, -20, -20,
  77         -20, -20, -20, -20,
  78         -20, -20, -20, -20,
  79 };
  80
  81 static void bcm43xx_phy_initg(struct bcm43xx_private *bcm);
  82
  83
  84 static inline
  85 void bcm43xx_voluntary_preempt(void)
  86 {
  87         assert(!in_atomic() && !in_irq() &&
  88                !in_interrupt() && !irqs_disabled());
  89 #ifndef CONFIG_PREEMPT
  90         cond_resched();
  91 #endif /* CONFIG_PREEMPT */
  92 }
  93
  94 void bcm43xx_raw_phy_lock(struct bcm43xx_private *bcm)
  95 {
  96         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
  97
  98         assert(irqs_disabled());
  99         if (bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD) == 0x00000000) {
 100                 phy->is_locked = 0;
 101                 return;
 102         }
 103         if (bcm->current_core->rev < 3) {
 104                 bcm43xx_mac_suspend(bcm);
 105                 spin_lock(&phy->lock);
 106         } else {
 107                 if (bcm->ieee->iw_mode != IW_MODE_MASTER)
 108                         bcm43xx_power_saving_ctl_bits(bcm, -1, 1);
 109         }
 110         phy->is_locked = 1;
 111 }
 112
 113 void bcm43xx_raw_phy_unlock(struct bcm43xx_private *bcm)
 114 {
 115         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 116
 117         assert(irqs_disabled());
 118         if (bcm->current_core->rev < 3) {
 119                 if (phy->is_locked) {
 120                         spin_unlock(&phy->lock);
 121                         bcm43xx_mac_enable(bcm);
 122                 }
 123         } else {
 124                 if (bcm->ieee->iw_mode != IW_MODE_MASTER)
 125                         bcm43xx_power_saving_ctl_bits(bcm, -1, -1);
 126         }
 127         phy->is_locked = 0;
 128 }
 129
 130 u16 bcm43xx_phy_read(struct bcm43xx_private *bcm, u16 offset)
 131 {
 132         bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset);
 133         return bcm43xx_read16(bcm, BCM43xx_MMIO_PHY_DATA);
 134 }
 135
 136 void bcm43xx_phy_write(struct bcm43xx_private *bcm, u16 offset, u16 val)
 137 {
 138         bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_CONTROL, offset);
 139         mmiowb();
 140         bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_DATA, val);
 141 }
 142
 143 void bcm43xx_phy_calibrate(struct bcm43xx_private *bcm)
 144 {
 145         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 146
 147         bcm43xx_read32(bcm, BCM43xx_MMIO_STATUS_BITFIELD); /* Dummy read. */
 148         if (phy->calibrated)
 149                 return;
 150         if (phy->type == BCM43xx_PHYTYPE_G && phy->rev == 1) {
 151                 bcm43xx_wireless_core_reset(bcm, 0);
 152                 bcm43xx_phy_initg(bcm);
 153                 bcm43xx_wireless_core_reset(bcm, 1);
 154         }
 155         phy->calibrated = 1;
 156 }
 157
 158 /* Connect the PHY
 159  * http://bcm-specs.sipsolutions.net/SetPHY
 160  */
 161 int bcm43xx_phy_connect(struct bcm43xx_private *bcm, int connect)
 162 {
 163         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 164         u32 flags;
 165
 166         if (bcm->current_core->rev < 5)
 167                 goto out;
 168
 169         flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATEHIGH);
 170         if (connect) {
 171                 if (!(flags & 0x00010000))
 172                         return -ENODEV;
 173                 flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
 174                 flags |= (0x800 << 18);
 175                 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
 176         } else {
 177                 if (!(flags & 0x00020000))
 178                         return -ENODEV;
 179                 flags = bcm43xx_read32(bcm, BCM43xx_CIR_SBTMSTATELOW);
 180                 flags &= ~(0x800 << 18);
 181                 bcm43xx_write32(bcm, BCM43xx_CIR_SBTMSTATELOW, flags);
 182         }
 183 out:
 184         phy->connected = connect;
 185         if (connect)
 186                 dprintk(KERN_INFO PFX "PHY connected\n");
 187         else
 188                 dprintk(KERN_INFO PFX "PHY disconnected\n");
 189
 190         return 0;
 191 }
 192
 193 /* intialize B PHY power control
 194  * as described in http://bcm-specs.sipsolutions.net/InitPowerControl
 195  */
 196 static void bcm43xx_phy_init_pctl(struct bcm43xx_private *bcm)
 197 {
 198         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 199         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 200         u16 saved_batt = 0, saved_ratt = 0, saved_txctl1 = 0;
 201         int must_reset_txpower = 0;
 202
 203         assert(phy->type != BCM43xx_PHYTYPE_A);
 204         if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
 205             (bcm->board_type == 0x0416))
 206                 return;
 207
 208         bcm43xx_phy_write(bcm, 0x0028, 0x8018);
 209         bcm43xx_write16(bcm, 0x03E6, bcm43xx_read16(bcm, 0x03E6) & 0xFFDF);
 210
 211         if (phy->type == BCM43xx_PHYTYPE_G) {
 212                 if (!phy->connected)
 213                         return;
 214                 bcm43xx_phy_write(bcm, 0x047A, 0xC111);
 215         }
 216         if (phy->savedpctlreg != 0xFFFF)
 217                 return;
 218
 219         if (phy->type == BCM43xx_PHYTYPE_B &&
 220             phy->rev >= 2 &&
 221             radio->version == 0x2050) {
 222                 bcm43xx_radio_write16(bcm, 0x0076,
 223                                       bcm43xx_radio_read16(bcm, 0x0076) | 0x0084);
 224         } else {
 225                 saved_batt = radio->baseband_atten;
 226                 saved_ratt = radio->radio_atten;
 227                 saved_txctl1 = radio->txctl1;
 228                 if ((radio->revision >= 6) && (radio->revision <= 8)
 229                     && /*FIXME: incomplete specs for 5 < revision < 9 */ 0)
 230                         bcm43xx_radio_set_txpower_bg(bcm, 0xB, 0x1F, 0);
 231                 else
 232                         bcm43xx_radio_set_txpower_bg(bcm, 0xB, 9, 0);
 233                 must_reset_txpower = 1;
 234         }
 235         bcm43xx_dummy_transmission(bcm);
 236
 237         phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_PCTL);
 238
 239         if (must_reset_txpower)
 240                 bcm43xx_radio_set_txpower_bg(bcm, saved_batt, saved_ratt, saved_txctl1);
 241         else
 242                 bcm43xx_radio_write16(bcm, 0x0076, bcm43xx_radio_read16(bcm, 0x0076) & 0xFF7B);
 243         bcm43xx_radio_clear_tssi(bcm);
 244 }
 245
 246 static void bcm43xx_phy_agcsetup(struct bcm43xx_private *bcm)
 247 {
 248         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 249         u16 offset = 0x0000;
 250
 251         if (phy->rev == 1)
 252                 offset = 0x4C00;
 253
 254         bcm43xx_ilt_write(bcm, offset, 0x00FE);
 255         bcm43xx_ilt_write(bcm, offset + 1, 0x000D);
 256         bcm43xx_ilt_write(bcm, offset + 2, 0x0013);
 257         bcm43xx_ilt_write(bcm, offset + 3, 0x0019);
 258
 259         if (phy->rev == 1) {
 260                 bcm43xx_ilt_write(bcm, 0x1800, 0x2710);
 261                 bcm43xx_ilt_write(bcm, 0x1801, 0x9B83);
 262                 bcm43xx_ilt_write(bcm, 0x1802, 0x9B83);
 263                 bcm43xx_ilt_write(bcm, 0x1803, 0x0F8D);
 264                 bcm43xx_phy_write(bcm, 0x0455, 0x0004);
 265         }
 266
 267         bcm43xx_phy_write(bcm, 0x04A5, (bcm43xx_phy_read(bcm, 0x04A5) & 0x00FF) | 0x5700);
 268         bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xFF80) | 0x000F);
 269         bcm43xx_phy_write(bcm, 0x041A, (bcm43xx_phy_read(bcm, 0x041A) & 0xC07F) | 0x2B80);
 270         bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xF0FF) | 0x0300);
 271
 272         bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0008);
 273
 274         bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xFFF0) | 0x0008);
 275         bcm43xx_phy_write(bcm, 0x04A1, (bcm43xx_phy_read(bcm, 0x04A1) & 0xF0FF) | 0x0600);
 276         bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xF0FF) | 0x0700);
 277         bcm43xx_phy_write(bcm, 0x04A0, (bcm43xx_phy_read(bcm, 0x04A0) & 0xF0FF) | 0x0100);
 278
 279         if (phy->rev == 1)
 280                 bcm43xx_phy_write(bcm, 0x04A2, (bcm43xx_phy_read(bcm, 0x04A2) & 0xFFF0) | 0x0007);
 281
 282         bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xFF00) | 0x001C);
 283         bcm43xx_phy_write(bcm, 0x0488, (bcm43xx_phy_read(bcm, 0x0488) & 0xC0FF) | 0x0200);
 284         bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0xFF00) | 0x001C);
 285         bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xFF00) | 0x0020);
 286         bcm43xx_phy_write(bcm, 0x0489, (bcm43xx_phy_read(bcm, 0x0489) & 0xC0FF) | 0x0200);
 287         bcm43xx_phy_write(bcm, 0x0482, (bcm43xx_phy_read(bcm, 0x0482) & 0xFF00) | 0x002E);
 288         bcm43xx_phy_write(bcm, 0x0496, (bcm43xx_phy_read(bcm, 0x0496) & 0x00FF) | 0x1A00);
 289         bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0xFF00) | 0x0028);
 290         bcm43xx_phy_write(bcm, 0x0481, (bcm43xx_phy_read(bcm, 0x0481) & 0x00FF) | 0x2C00);
 291
 292         if (phy->rev == 1) {
 293                 bcm43xx_phy_write(bcm, 0x0430, 0x092B);
 294                 bcm43xx_phy_write(bcm, 0x041B, (bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1) | 0x0002);
 295         } else {
 296                 bcm43xx_phy_write(bcm, 0x041B, bcm43xx_phy_read(bcm, 0x041B) & 0xFFE1);
 297                 bcm43xx_phy_write(bcm, 0x041F, 0x287A);
 298                 bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0xFFF0) | 0x0004);
 299         }
 300
 301         if (phy->rev > 2) {
 302                 bcm43xx_phy_write(bcm, 0x0422, 0x287A);
 303                 bcm43xx_phy_write(bcm, 0x0420, (bcm43xx_phy_read(bcm, 0x0420) & 0x0FFF) | 0x3000);
 304         }
 305
 306         bcm43xx_phy_write(bcm, 0x04A8, (bcm43xx_phy_read(bcm, 0x04A8) & 0x8080) | 0x7874);
 307         bcm43xx_phy_write(bcm, 0x048E, 0x1C00);
 308
 309         if (phy->rev == 1) {
 310                 bcm43xx_phy_write(bcm, 0x04AB, (bcm43xx_phy_read(bcm, 0x04AB) & 0xF0FF) | 0x0600);
 311                 bcm43xx_phy_write(bcm, 0x048B, 0x005E);
 312                 bcm43xx_phy_write(bcm, 0x048C, (bcm43xx_phy_read(bcm, 0x048C) & 0xFF00) | 0x001E);
 313                 bcm43xx_phy_write(bcm, 0x048D, 0x0002);
 314         }
 315
 316         bcm43xx_ilt_write(bcm, offset + 0x0800, 0);
 317         bcm43xx_ilt_write(bcm, offset + 0x0801, 7);
 318         bcm43xx_ilt_write(bcm, offset + 0x0802, 16);
 319         bcm43xx_ilt_write(bcm, offset + 0x0803, 28);
 320
 321         if (phy->rev >= 6) {
 322                 bcm43xx_phy_write(bcm, 0x0426, (bcm43xx_phy_read(bcm, 0x0426)
 323                                   & 0xFFFC));
 324                 bcm43xx_phy_write(bcm, 0x0426, (bcm43xx_phy_read(bcm, 0x0426)
 325                                   & 0xEFFF));
 326         }
 327 }
 328
 329 static void bcm43xx_phy_setupg(struct bcm43xx_private *bcm)
 330 {
 331         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 332         u16 i;
 333
 334         assert(phy->type == BCM43xx_PHYTYPE_G);
 335         if (phy->rev == 1) {
 336                 bcm43xx_phy_write(bcm, 0x0406, 0x4F19);
 337                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS,
 338                                   (bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS) & 0xFC3F) | 0x0340);
 339                 bcm43xx_phy_write(bcm, 0x042C, 0x005A);
 340                 bcm43xx_phy_write(bcm, 0x0427, 0x001A);
 341
 342                 for (i = 0; i < BCM43xx_ILT_FINEFREQG_SIZE; i++)
 343                         bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqg[i]);
 344                 for (i = 0; i < BCM43xx_ILT_NOISEG1_SIZE; i++)
 345                         bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg1[i]);
 346                 for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++)
 347                         bcm43xx_ilt_write32(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]);
 348         } else {
 349                 /* nrssi values are signed 6-bit values. Not sure why we write 0x7654 here... */
 350                 bcm43xx_nrssi_hw_write(bcm, 0xBA98, (s16)0x7654);
 351
 352                 if (phy->rev == 2) {
 353                         bcm43xx_phy_write(bcm, 0x04C0, 0x1861);
 354                         bcm43xx_phy_write(bcm, 0x04C1, 0x0271);
 355                 } else if (phy->rev > 2) {
 356                         bcm43xx_phy_write(bcm, 0x04C0, 0x0098);
 357                         bcm43xx_phy_write(bcm, 0x04C1, 0x0070);
 358                         bcm43xx_phy_write(bcm, 0x04C9, 0x0080);
 359                 }
 360                 bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x800);
 361
 362                 for (i = 0; i < 64; i++)
 363                         bcm43xx_ilt_write(bcm, 0x4000 + i, i);
 364                 for (i = 0; i < BCM43xx_ILT_NOISEG2_SIZE; i++)
 365                         bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noiseg2[i]);
 366         }
 367
 368         if (phy->rev <= 2)
 369                 for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
 370                         bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg1[i]);
 371         else if ((phy->rev >= 7) && (bcm43xx_phy_read(bcm, 0x0449) & 0x0200))
 372                 for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
 373                         bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg3[i]);
 374         else
 375                 for (i = 0; i < BCM43xx_ILT_NOISESCALEG_SIZE; i++)
 376                         bcm43xx_ilt_write(bcm, 0x1400 + i, bcm43xx_ilt_noisescaleg2[i]);
 377
 378         if (phy->rev == 2)
 379                 for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
 380                         bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]);
 381         else if ((phy->rev > 2) && (phy->rev <= 8))
 382                 for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
 383                         bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr2[i]);
 384
 385         if (phy->rev == 1) {
 386                 for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++)
 387                         bcm43xx_ilt_write32(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]);
 388                 for (i = 0; i < 4; i++) {
 389                         bcm43xx_ilt_write(bcm, 0x5404 + i, 0x0020);
 390                         bcm43xx_ilt_write(bcm, 0x5408 + i, 0x0020);
 391                         bcm43xx_ilt_write(bcm, 0x540C + i, 0x0020);
 392                         bcm43xx_ilt_write(bcm, 0x5410 + i, 0x0020);
 393                 }
 394                 bcm43xx_phy_agcsetup(bcm);
 395
 396                 if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
 397                     (bcm->board_type == 0x0416) &&
 398                     (bcm->board_revision == 0x0017))
 399                         return;
 400
 401                 bcm43xx_ilt_write(bcm, 0x5001, 0x0002);
 402                 bcm43xx_ilt_write(bcm, 0x5002, 0x0001);
 403         } else {
 404                 for (i = 0; i <= 0x2F; i++)
 405                         bcm43xx_ilt_write(bcm, 0x1000 + i, 0x0820);
 406                 bcm43xx_phy_agcsetup(bcm);
 407                 bcm43xx_phy_read(bcm, 0x0400); /* dummy read */
 408                 bcm43xx_phy_write(bcm, 0x0403, 0x1000);
 409                 bcm43xx_ilt_write(bcm, 0x3C02, 0x000F);
 410                 bcm43xx_ilt_write(bcm, 0x3C03, 0x0014);
 411
 412                 if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM) &&
 413                     (bcm->board_type == 0x0416) &&
 414                     (bcm->board_revision == 0x0017))
 415                         return;
 416
 417                 bcm43xx_ilt_write(bcm, 0x0401, 0x0002);
 418                 bcm43xx_ilt_write(bcm, 0x0402, 0x0001);
 419         }
 420 }
 421
 422 /* Initialize the noisescaletable for APHY */
 423 static void bcm43xx_phy_init_noisescaletbl(struct bcm43xx_private *bcm)
 424 {
 425         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 426         int i;
 427
 428         bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_CTRL, 0x1400);
 429         for (i = 0; i < 12; i++) {
 430                 if (phy->rev == 2)
 431                         bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767);
 432                 else
 433                         bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323);
 434         }
 435         if (phy->rev == 2)
 436                 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6700);
 437         else
 438                 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2300);
 439         for (i = 0; i < 11; i++) {
 440                 if (phy->rev == 2)
 441                         bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x6767);
 442                 else
 443                         bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x2323);
 444         }
 445         if (phy->rev == 2)
 446                 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0067);
 447         else
 448                 bcm43xx_phy_write(bcm, BCM43xx_PHY_ILT_A_DATA1, 0x0023);
 449 }
 450
 451 static void bcm43xx_phy_setupa(struct bcm43xx_private *bcm)
 452 {
 453         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 454         u16 i;
 455
 456         assert(phy->type == BCM43xx_PHYTYPE_A);
 457         switch (phy->rev) {
 458         case 2:
 459                 bcm43xx_phy_write(bcm, 0x008E, 0x3800);
 460                 bcm43xx_phy_write(bcm, 0x0035, 0x03FF);
 461                 bcm43xx_phy_write(bcm, 0x0036, 0x0400);
 462
 463                 bcm43xx_ilt_write(bcm, 0x3807, 0x0051);
 464
 465                 bcm43xx_phy_write(bcm, 0x001C, 0x0FF9);
 466                 bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F);
 467                 bcm43xx_ilt_write(bcm, 0x3C0C, 0x07BF);
 468                 bcm43xx_radio_write16(bcm, 0x0002, 0x07BF);
 469
 470                 bcm43xx_phy_write(bcm, 0x0024, 0x4680);
 471                 bcm43xx_phy_write(bcm, 0x0020, 0x0003);
 472                 bcm43xx_phy_write(bcm, 0x001D, 0x0F40);
 473                 bcm43xx_phy_write(bcm, 0x001F, 0x1C00);
 474
 475                 bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400);
 476                 bcm43xx_phy_write(bcm, 0x002B, bcm43xx_phy_read(bcm, 0x002B) & 0xFBFF);
 477                 bcm43xx_phy_write(bcm, 0x008E, 0x58C1);
 478
 479                 bcm43xx_ilt_write(bcm, 0x0803, 0x000F);
 480                 bcm43xx_ilt_write(bcm, 0x0804, 0x001F);
 481                 bcm43xx_ilt_write(bcm, 0x0805, 0x002A);
 482                 bcm43xx_ilt_write(bcm, 0x0805, 0x0030);
 483                 bcm43xx_ilt_write(bcm, 0x0807, 0x003A);
 484
 485                 bcm43xx_ilt_write(bcm, 0x0000, 0x0013);
 486                 bcm43xx_ilt_write(bcm, 0x0001, 0x0013);
 487                 bcm43xx_ilt_write(bcm, 0x0002, 0x0013);
 488                 bcm43xx_ilt_write(bcm, 0x0003, 0x0013);
 489                 bcm43xx_ilt_write(bcm, 0x0004, 0x0015);
 490                 bcm43xx_ilt_write(bcm, 0x0005, 0x0015);
 491                 bcm43xx_ilt_write(bcm, 0x0006, 0x0019);
 492
 493                 bcm43xx_ilt_write(bcm, 0x0404, 0x0003);
 494                 bcm43xx_ilt_write(bcm, 0x0405, 0x0003);
 495                 bcm43xx_ilt_write(bcm, 0x0406, 0x0007);
 496
 497                 for (i = 0; i < 16; i++)
 498                         bcm43xx_ilt_write(bcm, 0x4000 + i, (0x8 + i) & 0x000F);
 499
 500                 bcm43xx_ilt_write(bcm, 0x3003, 0x1044);
 501                 bcm43xx_ilt_write(bcm, 0x3004, 0x7201);
 502                 bcm43xx_ilt_write(bcm, 0x3006, 0x0040);
 503                 bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008);
 504
 505                 for (i = 0; i < BCM43xx_ILT_FINEFREQA_SIZE; i++)
 506                         bcm43xx_ilt_write(bcm, 0x5800 + i, bcm43xx_ilt_finefreqa[i]);
 507                 for (i = 0; i < BCM43xx_ILT_NOISEA2_SIZE; i++)
 508                         bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea2[i]);
 509                 for (i = 0; i < BCM43xx_ILT_ROTOR_SIZE; i++)
 510                         bcm43xx_ilt_write32(bcm, 0x2000 + i, bcm43xx_ilt_rotor[i]);
 511                 bcm43xx_phy_init_noisescaletbl(bcm);
 512                 for (i = 0; i < BCM43xx_ILT_RETARD_SIZE; i++)
 513                         bcm43xx_ilt_write32(bcm, 0x2400 + i, bcm43xx_ilt_retard[i]);
 514                 break;
 515         case 3:
 516                 for (i = 0; i < 64; i++)
 517                         bcm43xx_ilt_write(bcm, 0x4000 + i, i);
 518
 519                 bcm43xx_ilt_write(bcm, 0x3807, 0x0051);
 520
 521                 bcm43xx_phy_write(bcm, 0x001C, 0x0FF9);
 522                 bcm43xx_phy_write(bcm, 0x0020, bcm43xx_phy_read(bcm, 0x0020) & 0xFF0F);
 523                 bcm43xx_radio_write16(bcm, 0x0002, 0x07BF);
 524
 525                 bcm43xx_phy_write(bcm, 0x0024, 0x4680);
 526                 bcm43xx_phy_write(bcm, 0x0020, 0x0003);
 527                 bcm43xx_phy_write(bcm, 0x001D, 0x0F40);
 528                 bcm43xx_phy_write(bcm, 0x001F, 0x1C00);
 529                 bcm43xx_phy_write(bcm, 0x002A, (bcm43xx_phy_read(bcm, 0x002A) & 0x00FF) | 0x0400);
 530
 531                 bcm43xx_ilt_write(bcm, 0x3001, (bcm43xx_ilt_read(bcm, 0x3001) & 0x0010) | 0x0008);
 532                 for (i = 0; i < BCM43xx_ILT_NOISEA3_SIZE; i++)
 533                         bcm43xx_ilt_write(bcm, 0x1800 + i, bcm43xx_ilt_noisea3[i]);
 534                 bcm43xx_phy_init_noisescaletbl(bcm);
 535                 for (i = 0; i < BCM43xx_ILT_SIGMASQR_SIZE; i++)
 536                         bcm43xx_ilt_write(bcm, 0x5000 + i, bcm43xx_ilt_sigmasqr1[i]);
 537
 538                 bcm43xx_phy_write(bcm, 0x0003, 0x1808);
 539
 540                 bcm43xx_ilt_write(bcm, 0x0803, 0x000F);
 541                 bcm43xx_ilt_write(bcm, 0x0804, 0x001F);
 542                 bcm43xx_ilt_write(bcm, 0x0805, 0x002A);
 543                 bcm43xx_ilt_write(bcm, 0x0805, 0x0030);
 544                 bcm43xx_ilt_write(bcm, 0x0807, 0x003A);
 545
 546                 bcm43xx_ilt_write(bcm, 0x0000, 0x0013);
 547                 bcm43xx_ilt_write(bcm, 0x0001, 0x0013);
 548                 bcm43xx_ilt_write(bcm, 0x0002, 0x0013);
 549                 bcm43xx_ilt_write(bcm, 0x0003, 0x0013);
 550                 bcm43xx_ilt_write(bcm, 0x0004, 0x0015);
 551                 bcm43xx_ilt_write(bcm, 0x0005, 0x0015);
 552                 bcm43xx_ilt_write(bcm, 0x0006, 0x0019);
 553
 554                 bcm43xx_ilt_write(bcm, 0x0404, 0x0003);
 555                 bcm43xx_ilt_write(bcm, 0x0405, 0x0003);
 556                 bcm43xx_ilt_write(bcm, 0x0406, 0x0007);
 557
 558                 bcm43xx_ilt_write(bcm, 0x3C02, 0x000F);
 559                 bcm43xx_ilt_write(bcm, 0x3C03, 0x0014);
 560                 break;
 561         default:
 562                 assert(0);
 563         }
 564 }
 565
 566 /* Initialize APHY. This is also called for the GPHY in some cases. */
 567 static void bcm43xx_phy_inita(struct bcm43xx_private *bcm)
 568 {
 569         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 570         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 571         u16 tval;
 572
 573         if (phy->type == BCM43xx_PHYTYPE_A) {
 574                 bcm43xx_phy_setupa(bcm);
 575         } else {
 576                 bcm43xx_phy_setupg(bcm);
 577                 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
 578                         bcm43xx_phy_write(bcm, 0x046E, 0x03CF);
 579                 return;
 580         }
 581
 582         bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS,
 583                           (bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) & 0xF83C) | 0x0340);
 584         bcm43xx_phy_write(bcm, 0x0034, 0x0001);
 585
 586         TODO();//TODO: RSSI AGC
 587         bcm43xx_phy_write(bcm, BCM43xx_PHY_A_CRS,
 588                           bcm43xx_phy_read(bcm, BCM43xx_PHY_A_CRS) | (1 << 14));
 589         bcm43xx_radio_init2060(bcm);
 590
 591         if ((bcm->board_vendor == PCI_VENDOR_ID_BROADCOM)
 592             && ((bcm->board_type == 0x0416) || (bcm->board_type == 0x040A))) {
 593                 if (radio->lofcal == 0xFFFF) {
 594                         TODO();//TODO: LOF Cal
 595                         bcm43xx_radio_set_tx_iq(bcm);
 596                 } else
 597                         bcm43xx_radio_write16(bcm, 0x001E, radio->lofcal);
 598         }
 599
 600         bcm43xx_phy_write(bcm, 0x007A, 0xF111);
 601
 602         if (phy->savedpctlreg == 0xFFFF) {
 603                 bcm43xx_radio_write16(bcm, 0x0019, 0x0000);
 604                 bcm43xx_radio_write16(bcm, 0x0017, 0x0020);
 605
 606                 tval = bcm43xx_ilt_read(bcm, 0x3001);
 607                 if (phy->rev == 1) {
 608                         bcm43xx_ilt_write(bcm, 0x3001,
 609                                           (bcm43xx_ilt_read(bcm, 0x3001) & 0xFF87)
 610                                           | 0x0058);
 611                 } else {
 612                         bcm43xx_ilt_write(bcm, 0x3001,
 613                                           (bcm43xx_ilt_read(bcm, 0x3001) & 0xFFC3)
 614                                           | 0x002C);
 615                 }
 616                 bcm43xx_dummy_transmission(bcm);
 617                 phy->savedpctlreg = bcm43xx_phy_read(bcm, BCM43xx_PHY_A_PCTL);
 618                 bcm43xx_ilt_write(bcm, 0x3001, tval);
 619
 620                 bcm43xx_radio_set_txpower_a(bcm, 0x0018);
 621         }
 622         bcm43xx_radio_clear_tssi(bcm);
 623 }
 624
 625 static void bcm43xx_phy_initb2(struct bcm43xx_private *bcm)
 626 {
 627         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 628         u16 offset, val;
 629
 630         bcm43xx_write16(bcm, 0x03EC, 0x3F22);
 631         bcm43xx_phy_write(bcm, 0x0020, 0x301C);
 632         bcm43xx_phy_write(bcm, 0x0026, 0x0000);
 633         bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
 634         bcm43xx_phy_write(bcm, 0x0088, 0x3E00);
 635         val = 0x3C3D;
 636         for (offset = 0x0089; offset < 0x00A7; offset++) {
 637                 bcm43xx_phy_write(bcm, offset, val);
 638                 val -= 0x0202;
 639         }
 640         bcm43xx_phy_write(bcm, 0x03E4, 0x3000);
 641         if (radio->channel == 0xFF)
 642                 bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
 643         else
 644                 bcm43xx_radio_selectchannel(bcm, radio->channel, 0);
 645         if (radio->version != 0x2050) {
 646                 bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
 647                 bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
 648         }
 649         bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 650         bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
 651         if (radio->version == 0x2050) {
 652                 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 653                 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
 654                 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
 655                 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
 656                 bcm43xx_radio_write16(bcm, 0x007A, 0x000F);
 657                 bcm43xx_phy_write(bcm, 0x0038, 0x0677);
 658                 bcm43xx_radio_init2050(bcm);
 659         }
 660         bcm43xx_phy_write(bcm, 0x0014, 0x0080);
 661         bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
 662         bcm43xx_phy_write(bcm, 0x0032, 0x00CC);
 663         bcm43xx_phy_write(bcm, 0x0035, 0x07C2);
 664         bcm43xx_phy_lo_b_measure(bcm);
 665         bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
 666         if (radio->version != 0x2050)
 667                 bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
 668         bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1000);
 669         bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
 670         if (radio->version != 0x2050)
 671                 bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
 672         bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
 673         bcm43xx_phy_init_pctl(bcm);
 674 }
 675
 676 static void bcm43xx_phy_initb4(struct bcm43xx_private *bcm)
 677 {
 678         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 679         u16 offset, val;
 680
 681         bcm43xx_write16(bcm, 0x03EC, 0x3F22);
 682         bcm43xx_phy_write(bcm, 0x0020, 0x301C);
 683         bcm43xx_phy_write(bcm, 0x0026, 0x0000);
 684         bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
 685         bcm43xx_phy_write(bcm, 0x0088, 0x3E00);
 686         val = 0x3C3D;
 687         for (offset = 0x0089; offset < 0x00A7; offset++) {
 688                 bcm43xx_phy_write(bcm, offset, val);
 689                 val -= 0x0202;
 690         }
 691         bcm43xx_phy_write(bcm, 0x03E4, 0x3000);
 692         if (radio->channel == 0xFF)
 693                 bcm43xx_radio_selectchannel(bcm, BCM43xx_RADIO_DEFAULT_CHANNEL_BG, 0);
 694         else
 695                 bcm43xx_radio_selectchannel(bcm, radio->channel, 0);
 696         if (radio->version != 0x2050) {
 697                 bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
 698                 bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
 699         }
 700         bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 701         bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
 702         if (radio->version == 0x2050) {
 703                 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 704                 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
 705                 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
 706                 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
 707                 bcm43xx_radio_write16(bcm, 0x007A, 0x000F);
 708                 bcm43xx_phy_write(bcm, 0x0038, 0x0677);
 709                 bcm43xx_radio_init2050(bcm);
 710         }
 711         bcm43xx_phy_write(bcm, 0x0014, 0x0080);
 712         bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
 713         if (radio->version == 0x2050)
 714                 bcm43xx_phy_write(bcm, 0x0032, 0x00E0);
 715         bcm43xx_phy_write(bcm, 0x0035, 0x07C2);
 716
 717         bcm43xx_phy_lo_b_measure(bcm);
 718
 719         bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
 720         if (radio->version == 0x2050)
 721                 bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
 722         bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x1100);
 723         bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
 724         if (radio->version == 0x2050)
 725                 bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
 726         bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
 727         if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
 728                 bcm43xx_calc_nrssi_slope(bcm);
 729                 bcm43xx_calc_nrssi_threshold(bcm);
 730         }
 731         bcm43xx_phy_init_pctl(bcm);
 732 }
 733
 734 static void bcm43xx_phy_initb5(struct bcm43xx_private *bcm)
 735 {
 736         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 737         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 738         u16 offset;
 739         u16 value;
 740         u8 old_channel;
 741
 742         if (phy->analog == 1)
 743                 bcm43xx_radio_write16(bcm, 0x007A,
 744                                       bcm43xx_radio_read16(bcm, 0x007A)
 745                                       | 0x0050);
 746         if ((bcm->board_vendor != PCI_VENDOR_ID_BROADCOM) &&
 747             (bcm->board_type != 0x0416)) {
 748                 value = 0x2120;
 749                 for (offset = 0x00A8 ; offset < 0x00C7; offset++) {
 750                         bcm43xx_phy_write(bcm, offset, value);
 751                         value += 0x0202;
 752                 }
 753         }
 754         bcm43xx_phy_write(bcm, 0x0035,
 755                           (bcm43xx_phy_read(bcm, 0x0035) & 0xF0FF)
 756                           | 0x0700);
 757         if (radio->version == 0x2050)
 758                 bcm43xx_phy_write(bcm, 0x0038, 0x0667);
 759
 760         if (phy->connected) {
 761                 if (radio->version == 0x2050) {
 762                         bcm43xx_radio_write16(bcm, 0x007A,
 763                                               bcm43xx_radio_read16(bcm, 0x007A)
 764                                               | 0x0020);
 765                         bcm43xx_radio_write16(bcm, 0x0051,
 766                                               bcm43xx_radio_read16(bcm, 0x0051)
 767                                               | 0x0004);
 768                 }
 769                 bcm43xx_write16(bcm, BCM43xx_MMIO_PHY_RADIO, 0x0000);
 770
 771                 bcm43xx_phy_write(bcm, 0x0802, bcm43xx_phy_read(bcm, 0x0802) | 0x0100);
 772                 bcm43xx_phy_write(bcm, 0x042B, bcm43xx_phy_read(bcm, 0x042B) | 0x2000);
 773
 774                 bcm43xx_phy_write(bcm, 0x001C, 0x186A);
 775
 776                 bcm43xx_phy_write(bcm, 0x0013, (bcm43xx_phy_read(bcm, 0x0013) & 0x00FF) | 0x1900);
 777                 bcm43xx_phy_write(bcm, 0x0035, (bcm43xx_phy_read(bcm, 0x0035) & 0xFFC0) | 0x0064);
 778                 bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D) & 0xFF80) | 0x000A);
 779         }
 780
 781         if (bcm->bad_frames_preempt) {
 782                 bcm43xx_phy_write(bcm, BCM43xx_PHY_RADIO_BITFIELD,
 783                                   bcm43xx_phy_read(bcm, BCM43xx_PHY_RADIO_BITFIELD) | (1 << 11));
 784         }
 785
 786         if (phy->analog == 1) {
 787                 bcm43xx_phy_write(bcm, 0x0026, 0xCE00);
 788                 bcm43xx_phy_write(bcm, 0x0021, 0x3763);
 789                 bcm43xx_phy_write(bcm, 0x0022, 0x1BC3);
 790                 bcm43xx_phy_write(bcm, 0x0023, 0x06F9);
 791                 bcm43xx_phy_write(bcm, 0x0024, 0x037E);
 792         } else
 793                 bcm43xx_phy_write(bcm, 0x0026, 0xCC00);
 794         bcm43xx_phy_write(bcm, 0x0030, 0x00C6);
 795         bcm43xx_write16(bcm, 0x03EC, 0x3F22);
 796
 797         if (phy->analog == 1)
 798                 bcm43xx_phy_write(bcm, 0x0020, 0x3E1C);
 799         else
 800                 bcm43xx_phy_write(bcm, 0x0020, 0x301C);
 801
 802         if (phy->analog == 0)
 803                 bcm43xx_write16(bcm, 0x03E4, 0x3000);
 804
 805         old_channel = radio->channel;
 806         /* Force to channel 7, even if not supported. */
 807         bcm43xx_radio_selectchannel(bcm, 7, 0);
 808
 809         if (radio->version != 0x2050) {
 810                 bcm43xx_radio_write16(bcm, 0x0075, 0x0080);
 811                 bcm43xx_radio_write16(bcm, 0x0079, 0x0081);
 812         }
 813
 814         bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 815         bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
 816
 817         if (radio->version == 0x2050) {
 818                 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 819                 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
 820         }
 821
 822         bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
 823         bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
 824
 825         bcm43xx_radio_write16(bcm, 0x007A, bcm43xx_radio_read16(bcm, 0x007A) | 0x0007);
 826
 827         bcm43xx_radio_selectchannel(bcm, old_channel, 0);
 828
 829         bcm43xx_phy_write(bcm, 0x0014, 0x0080);
 830         bcm43xx_phy_write(bcm, 0x0032, 0x00CA);
 831         bcm43xx_phy_write(bcm, 0x002A, 0x88A3);
 832
 833         bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
 834
 835         if (radio->version == 0x2050)
 836                 bcm43xx_radio_write16(bcm, 0x005D, 0x000D);
 837
 838         bcm43xx_write16(bcm, 0x03E4, (bcm43xx_read16(bcm, 0x03E4) & 0xFFC0) | 0x0004);
 839 }
 840
 841 static void bcm43xx_phy_initb6(struct bcm43xx_private *bcm)
 842 {
 843         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 844         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 845         u16 offset, val;
 846         u8 old_channel;
 847
 848         bcm43xx_phy_write(bcm, 0x003E, 0x817A);
 849         bcm43xx_radio_write16(bcm, 0x007A,
 850                               (bcm43xx_radio_read16(bcm, 0x007A) | 0x0058));
 851         if (radio->revision == 4 ||
 852              radio->revision == 5) {
 853                 bcm43xx_radio_write16(bcm, 0x0051, 0x0037);
 854                 bcm43xx_radio_write16(bcm, 0x0052, 0x0070);
 855                 bcm43xx_radio_write16(bcm, 0x0053, 0x00B3);
 856                 bcm43xx_radio_write16(bcm, 0x0054, 0x009B);
 857                 bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
 858                 bcm43xx_radio_write16(bcm, 0x005B, 0x0088);
 859                 bcm43xx_radio_write16(bcm, 0x005D, 0x0088);
 860                 bcm43xx_radio_write16(bcm, 0x005E, 0x0088);
 861                 bcm43xx_radio_write16(bcm, 0x007D, 0x0088);
 862                 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
 863                                     BCM43xx_UCODEFLAGS_OFFSET,
 864                                     (bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
 865                                     BCM43xx_UCODEFLAGS_OFFSET)
 866                                     | 0x00000200));
 867         }
 868         if (radio->revision == 8) {
 869                 bcm43xx_radio_write16(bcm, 0x0051, 0x0000);
 870                 bcm43xx_radio_write16(bcm, 0x0052, 0x0040);
 871                 bcm43xx_radio_write16(bcm, 0x0053, 0x00B7);
 872                 bcm43xx_radio_write16(bcm, 0x0054, 0x0098);
 873                 bcm43xx_radio_write16(bcm, 0x005A, 0x0088);
 874                 bcm43xx_radio_write16(bcm, 0x005B, 0x006B);
 875                 bcm43xx_radio_write16(bcm, 0x005C, 0x000F);
 876                 if (bcm->sprom.boardflags & 0x8000) {
 877                         bcm43xx_radio_write16(bcm, 0x005D, 0x00FA);
 878                         bcm43xx_radio_write16(bcm, 0x005E, 0x00D8);
 879                 } else {
 880                         bcm43xx_radio_write16(bcm, 0x005D, 0x00F5);
 881                         bcm43xx_radio_write16(bcm, 0x005E, 0x00B8);
 882                 }
 883                 bcm43xx_radio_write16(bcm, 0x0073, 0x0003);
 884                 bcm43xx_radio_write16(bcm, 0x007D, 0x00A8);
 885                 bcm43xx_radio_write16(bcm, 0x007C, 0x0001);
 886                 bcm43xx_radio_write16(bcm, 0x007E, 0x0008);
 887         }
 888         val = 0x1E1F;
 889         for (offset = 0x0088; offset < 0x0098; offset++) {
 890                 bcm43xx_phy_write(bcm, offset, val);
 891                 val -= 0x0202;
 892         }
 893         val = 0x3E3F;
 894         for (offset = 0x0098; offset < 0x00A8; offset++) {
 895                 bcm43xx_phy_write(bcm, offset, val);
 896                 val -= 0x0202;
 897         }
 898         val = 0x2120;
 899         for (offset = 0x00A8; offset < 0x00C8; offset++) {
 900                 bcm43xx_phy_write(bcm, offset, (val & 0x3F3F));
 901                 val += 0x0202;
 902         }
 903         if (phy->type == BCM43xx_PHYTYPE_G) {
 904                 bcm43xx_radio_write16(bcm, 0x007A,
 905                                       bcm43xx_radio_read16(bcm, 0x007A) | 0x0020);
 906                 bcm43xx_radio_write16(bcm, 0x0051,
 907                                       bcm43xx_radio_read16(bcm, 0x0051) | 0x0004);
 908                 bcm43xx_phy_write(bcm, 0x0802,
 909                                   bcm43xx_phy_read(bcm, 0x0802) | 0x0100);
 910                 bcm43xx_phy_write(bcm, 0x042B,
 911                                   bcm43xx_phy_read(bcm, 0x042B) | 0x2000);
 912                 bcm43xx_phy_write(bcm, 0x5B, 0x0000);
 913                 bcm43xx_phy_write(bcm, 0x5C, 0x0000);
 914         }
 915
 916         old_channel = radio->channel;
 917         if (old_channel >= 8)
 918                 bcm43xx_radio_selectchannel(bcm, 1, 0);
 919         else
 920                 bcm43xx_radio_selectchannel(bcm, 13, 0);
 921
 922         bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 923         bcm43xx_radio_write16(bcm, 0x0050, 0x0023);
 924         udelay(40);
 925         if (radio->revision < 6 || radio-> revision == 8) {
 926                 bcm43xx_radio_write16(bcm, 0x007C, (bcm43xx_radio_read16(bcm, 0x007C)
 927                                       | 0x0002));
 928                 bcm43xx_radio_write16(bcm, 0x0050, 0x0020);
 929         }
 930         if (radio->revision <= 2) {
 931                 bcm43xx_radio_write16(bcm, 0x007C, 0x0020);
 932                 bcm43xx_radio_write16(bcm, 0x005A, 0x0070);
 933                 bcm43xx_radio_write16(bcm, 0x005B, 0x007B);
 934                 bcm43xx_radio_write16(bcm, 0x005C, 0x00B0);
 935         }
 936         bcm43xx_radio_write16(bcm, 0x007A,
 937                               (bcm43xx_radio_read16(bcm, 0x007A) & 0x00F8) | 0x0007);
 938
 939         bcm43xx_radio_selectchannel(bcm, old_channel, 0);
 940
 941         bcm43xx_phy_write(bcm, 0x0014, 0x0200);
 942         if (radio->revision >= 6)
 943                 bcm43xx_phy_write(bcm, 0x002A, 0x88C2);
 944         else
 945                 bcm43xx_phy_write(bcm, 0x002A, 0x8AC0);
 946         bcm43xx_phy_write(bcm, 0x0038, 0x0668);
 947         bcm43xx_radio_set_txpower_bg(bcm, 0xFFFF, 0xFFFF, 0xFFFF);
 948         if (radio->revision <= 5)
 949                 bcm43xx_phy_write(bcm, 0x005D, (bcm43xx_phy_read(bcm, 0x005D)
 950                                   & 0xFF80) | 0x0003);
 951         if (radio->revision <= 2)
 952                 bcm43xx_radio_write16(bcm, 0x005D, 0x000D);
 953
 954         if (phy->analog == 4){
 955                 bcm43xx_write16(bcm, 0x03E4, 0x0009);
 956                 bcm43xx_phy_write(bcm, 0x61, bcm43xx_phy_read(bcm, 0x61) & 0xFFF);
 957         } else {
 958                 bcm43xx_phy_write(bcm, 0x0002, (bcm43xx_phy_read(bcm, 0x0002) & 0xFFC0) | 0x0004);
 959         }
 960         if (phy->type == BCM43xx_PHYTYPE_G)
 961                 bcm43xx_write16(bcm, 0x03E6, 0x0);
 962         if (phy->type == BCM43xx_PHYTYPE_B) {
 963                 bcm43xx_write16(bcm, 0x03E6, 0x8140);
 964                 bcm43xx_phy_write(bcm, 0x0016, 0x0410);
 965                 bcm43xx_phy_write(bcm, 0x0017, 0x0820);
 966                 bcm43xx_phy_write(bcm, 0x0062, 0x0007);
 967                 bcm43xx_radio_init2050(bcm);
 968                 bcm43xx_phy_lo_g_measure(bcm);
 969                 if (bcm->sprom.boardflags & BCM43xx_BFL_RSSI) {
 970                         bcm43xx_calc_nrssi_slope(bcm);
 971                         bcm43xx_calc_nrssi_threshold(bcm);
 972                 }
 973                 bcm43xx_phy_init_pctl(bcm);
 974         }
 975 }
 976
 977 static void bcm43xx_calc_loopback_gain(struct bcm43xx_private *bcm)
 978 {
 979         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
 980         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
 981         u16 backup_phy[15] = {0};
 982         u16 backup_radio[3];
 983         u16 backup_bband;
 984         u16 i;
 985         u16 loop1_cnt, loop1_done, loop1_omitted;
 986         u16 loop2_done;
 987
 988         backup_phy[0] = bcm43xx_phy_read(bcm, 0x0429);
 989         backup_phy[1] = bcm43xx_phy_read(bcm, 0x0001);
 990         backup_phy[2] = bcm43xx_phy_read(bcm, 0x0811);
 991         backup_phy[3] = bcm43xx_phy_read(bcm, 0x0812);
 992         if (phy->rev != 1) {
 993                 backup_phy[4] = bcm43xx_phy_read(bcm, 0x0814);
 994                 backup_phy[5] = bcm43xx_phy_read(bcm, 0x0815);
 995         }
 996         backup_phy[6] = bcm43xx_phy_read(bcm, 0x005A);
 997         backup_phy[7] = bcm43xx_phy_read(bcm, 0x0059);
 998         backup_phy[8] = bcm43xx_phy_read(bcm, 0x0058);
 999         backup_phy[9] = bcm43xx_phy_read(bcm, 0x000A);
1000         backup_phy[10] = bcm43xx_phy_read(bcm, 0x0003);
1001         backup_phy[11] = bcm43xx_phy_read(bcm, 0x080F);
1002         backup_phy[12] = bcm43xx_phy_read(bcm, 0x0810);
1003         backup_phy[13] = bcm43xx_phy_read(bcm, 0x002B);
1004         backup_phy[14] = bcm43xx_phy_read(bcm, 0x0015);
1005         bcm43xx_phy_read(bcm, 0x002D); /* dummy read */
1006         backup_bband = radio->baseband_atten;
1007         backup_radio[0] = bcm43xx_radio_read16(bcm, 0x0052);
1008         backup_radio[1] = bcm43xx_radio_read16(bcm, 0x0043);
1009         backup_radio[2] = bcm43xx_radio_read16(bcm, 0x007A);
1010
1011         bcm43xx_phy_write(bcm, 0x0429,
1012                           bcm43xx_phy_read(bcm, 0x0429) & 0x3FFF);
1013         bcm43xx_phy_write(bcm, 0x0001,
1014                           bcm43xx_phy_read(bcm, 0x0001) & 0x8000);
1015         bcm43xx_phy_write(bcm, 0x0811,
1016                           bcm43xx_phy_read(bcm, 0x0811) | 0x0002);
1017         bcm43xx_phy_write(bcm, 0x0812,
1018                           bcm43xx_phy_read(bcm, 0x0812) & 0xFFFD);
1019         bcm43xx_phy_write(bcm, 0x0811,
1020                           bcm43xx_phy_read(bcm, 0x0811) | 0x0001);
1021         bcm43xx_phy_write(bcm, 0x0812,
1022                           bcm43xx_phy_read(bcm, 0x0812) & 0xFFFE);
1023         if (phy->rev != 1) {
1024                 bcm43xx_phy_write(bcm, 0x0814,
1025                                   bcm43xx_phy_read(bcm, 0x0814) | 0x0001);
1026                 bcm43xx_phy_write(bcm, 0x0815,
1027                                   bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE);
1028                 bcm43xx_phy_write(bcm, 0x0814,
1029                                   bcm43xx_phy_read(bcm, 0x0814) | 0x0002);
1030                 bcm43xx_phy_write(bcm, 0x0815,
1031                                   bcm43xx_phy_read(bcm, 0x0815) & 0xFFFD);
1032         }
1033         bcm43xx_phy_write(bcm, 0x0811,
1034                           bcm43xx_phy_read(bcm, 0x0811) | 0x000C);
1035         bcm43xx_phy_write(bcm, 0x0812,
1036                           bcm43xx_phy_read(bcm, 0x0812) | 0x000C);
1037
1038         bcm43xx_phy_write(bcm, 0x0811,
1039                           (bcm43xx_phy_read(bcm, 0x0811)
1040                            & 0xFFCF) | 0x0030);
1041         bcm43xx_phy_write(bcm, 0x0812,
1042                           (bcm43xx_phy_read(bcm, 0x0812)
1043                            & 0xFFCF) | 0x0010);
1044
1045         bcm43xx_phy_write(bcm, 0x005A, 0x0780);
1046         bcm43xx_phy_write(bcm, 0x0059, 0xC810);
1047         bcm43xx_phy_write(bcm, 0x0058, 0x000D);
1048         if (phy->analog == 0) {
1049                 bcm43xx_phy_write(bcm, 0x0003, 0x0122);
1050         } else {
1051                 bcm43xx_phy_write(bcm, 0x000A,
1052                                   bcm43xx_phy_read(bcm, 0x000A)
1053                                   | 0x2000);
1054         }
1055         if (phy->rev != 1) {
1056                 bcm43xx_phy_write(bcm, 0x0814,
1057                                   bcm43xx_phy_read(bcm, 0x0814) | 0x0004);
1058                 bcm43xx_phy_write(bcm, 0x0815,
1059                                   bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB);
1060         }
1061         bcm43xx_phy_write(bcm, 0x0003,
1062                           (bcm43xx_phy_read(bcm, 0x0003)
1063                            & 0xFF9F) | 0x0040);
1064         if (radio->version == 0x2050 && radio->revision == 2) {
1065                 bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
1066                 bcm43xx_radio_write16(bcm, 0x0043,
1067                                       (bcm43xx_radio_read16(bcm, 0x0043)
1068                                        & 0xFFF0) | 0x0009);
1069                 loop1_cnt = 9;
1070         } else if (radio->revision == 8) {
1071                 bcm43xx_radio_write16(bcm, 0x0043, 0x000F);
1072                 loop1_cnt = 15;
1073         } else
1074                 loop1_cnt = 0;
1075
1076         bcm43xx_phy_set_baseband_attenuation(bcm, 11);
1077
1078         if (phy->rev >= 3)
1079                 bcm43xx_phy_write(bcm, 0x080F, 0xC020);
1080         else
1081                 bcm43xx_phy_write(bcm, 0x080F, 0x8020);
1082         bcm43xx_phy_write(bcm, 0x0810, 0x0000);
1083
1084         bcm43xx_phy_write(bcm, 0x002B,
1085                           (bcm43xx_phy_read(bcm, 0x002B)
1086                            & 0xFFC0) | 0x0001);
1087         bcm43xx_phy_write(bcm, 0x002B,
1088                           (bcm43xx_phy_read(bcm, 0x002B)
1089                            & 0xC0FF) | 0x0800);
1090         bcm43xx_phy_write(bcm, 0x0811,
1091                           bcm43xx_phy_read(bcm, 0x0811) | 0x0100);
1092         bcm43xx_phy_write(bcm, 0x0812,
1093                           bcm43xx_phy_read(bcm, 0x0812) & 0xCFFF);
1094         if (bcm->sprom.boardflags & BCM43xx_BFL_EXTLNA) {
1095                 if (phy->rev >= 7) {
1096                         bcm43xx_phy_write(bcm, 0x0811,
1097                                           bcm43xx_phy_read(bcm, 0x0811)
1098                                           | 0x0800);
1099                         bcm43xx_phy_write(bcm, 0x0812,
1100                                           bcm43xx_phy_read(bcm, 0x0812)
1101                                           | 0x8000);
1102                 }
1103         }
1104         bcm43xx_radio_write16(bcm, 0x007A,
1105                               bcm43xx_radio_read16(bcm, 0x007A)
1106                               & 0x00F7);
1107
1108         for (i = 0; i < loop1_cnt; i++) {
1109                 bcm43xx_radio_write16(bcm, 0x0043, loop1_cnt);
1110                 bcm43xx_phy_write(bcm, 0x0812,
1111                                   (bcm43xx_phy_read(bcm, 0x0812)
1112                                    & 0xF0FF) | (i << 8));
1113                 bcm43xx_phy_write(bcm, 0x0015,
1114                                   (bcm43xx_phy_read(bcm, 0x0015)
1115                                    & 0x0FFF) | 0xA000);
1116                 bcm43xx_phy_write(bcm, 0x0015,
1117                                   (bcm43xx_phy_read(bcm, 0x0015)
1118                                    & 0x0FFF) | 0xF000);
1119                 udelay(20);
1120                 if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC)
1121                         break;
1122         }
1123         loop1_done = i;
1124         loop1_omitted = loop1_cnt - loop1_done;
1125
1126         loop2_done = 0;
1127         if (loop1_done >= 8) {
1128                 bcm43xx_phy_write(bcm, 0x0812,
1129                                   bcm43xx_phy_read(bcm, 0x0812)
1130                                   | 0x0030);
1131                 for (i = loop1_done - 8; i < 16; i++) {
1132                         bcm43xx_phy_write(bcm, 0x0812,
1133                                           (bcm43xx_phy_read(bcm, 0x0812)
1134                                            & 0xF0FF) | (i << 8));
1135                         bcm43xx_phy_write(bcm, 0x0015,
1136                                           (bcm43xx_phy_read(bcm, 0x0015)
1137                                            & 0x0FFF) | 0xA000);
1138                         bcm43xx_phy_write(bcm, 0x0015,
1139                                           (bcm43xx_phy_read(bcm, 0x0015)
1140                                            & 0x0FFF) | 0xF000);
1141                         udelay(20);
1142                         if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC)
1143                                 break;
1144                 }
1145         }
1146
1147         if (phy->rev != 1) {
1148                 bcm43xx_phy_write(bcm, 0x0814, backup_phy[4]);
1149                 bcm43xx_phy_write(bcm, 0x0815, backup_phy[5]);
1150         }
1151         bcm43xx_phy_write(bcm, 0x005A, backup_phy[6]);
1152         bcm43xx_phy_write(bcm, 0x0059, backup_phy[7]);
1153         bcm43xx_phy_write(bcm, 0x0058, backup_phy[8]);
1154         bcm43xx_phy_write(bcm, 0x000A, backup_phy[9]);
1155         bcm43xx_phy_write(bcm, 0x0003, backup_phy[10]);
1156         bcm43xx_phy_write(bcm, 0x080F, backup_phy[11]);
1157         bcm43xx_phy_write(bcm, 0x0810, backup_phy[12]);
1158         bcm43xx_phy_write(bcm, 0x002B, backup_phy[13]);
1159         bcm43xx_phy_write(bcm, 0x0015, backup_phy[14]);
1160
1161         bcm43xx_phy_set_baseband_attenuation(bcm, backup_bband);
1162
1163         bcm43xx_radio_write16(bcm, 0x0052, backup_radio[0]);
1164         bcm43xx_radio_write16(bcm, 0x0043, backup_radio[1]);
1165         bcm43xx_radio_write16(bcm, 0x007A, backup_radio[2]);
1166
1167         bcm43xx_phy_write(bcm, 0x0811, backup_phy[2] | 0x0003);
1168         udelay(10);
1169         bcm43xx_phy_write(bcm, 0x0811, backup_phy[2]);
1170         bcm43xx_phy_write(bcm, 0x0812, backup_phy[3]);
1171         bcm43xx_phy_write(bcm, 0x0429, backup_phy[0]);
1172         bcm43xx_phy_write(bcm, 0x0001, backup_phy[1]);
1173
1174         phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11;
1175         phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2;
1176 }
1177
1178 static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
1179 {
1180         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1181         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1182         u16 tmp;
1183
1184         if (phy->rev == 1)
1185                 bcm43xx_phy_initb5(bcm);
1186         else
1187                 bcm43xx_phy_initb6(bcm);
1188         if (phy->rev >= 2 || phy->connected)
1189                 bcm43xx_phy_inita(bcm);
1190
1191         if (phy->rev >= 2) {
1192                 bcm43xx_phy_write(bcm, 0x0814, 0x0000);
1193                 bcm43xx_phy_write(bcm, 0x0815, 0x0000);
1194         }
1195         if (phy->rev == 2) {
1196                 bcm43xx_phy_write(bcm, 0x0811, 0x0000);
1197                 bcm43xx_phy_write(bcm, 0x0015, 0x00C0);
1198         }
1199         if (phy->rev > 5) {
1200                 bcm43xx_phy_write(bcm, 0x0811, 0x0400);
1201                 bcm43xx_phy_write(bcm, 0x0015, 0x00C0);
1202         }
1203         if (phy->rev >= 2 && phy->connected) {
1204                 tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF;
1205                 if (tmp ==3 || tmp == 5) {
1206                         bcm43xx_phy_write(bcm, 0x04C2, 0x1816);
1207                         bcm43xx_phy_write(bcm, 0x04C3, 0x8006);
1208                         if (tmp == 5) {
1209                                 bcm43xx_phy_write(bcm, 0x04CC,
1210                                                   (bcm43xx_phy_read(bcm, 0x04CC)
1211                                                    & 0x00FF) | 0x1F00);
1212                         }
1213                 }
1214                 bcm43xx_phy_write(bcm, 0x047E, 0x0078);
1215         }
1216         if (radio->revision == 8) {
1217                 bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080);
1218                 bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004);
1219         }
1220         if (phy->rev >= 2 && phy->connected)
1221                 bcm43xx_calc_loopback_gain(bcm);
1222         if (radio->revision != 8) {
1223                 if (radio->initval == 0xFFFF)
1224                         radio->initval = bcm43xx_radio_init2050(bcm);
1225                 else
1226                         bcm43xx_radio_write16(bcm, 0x0078, radio->initval);
1227         }
1228         if (radio->txctl2 == 0xFFFF) {
1229                 bcm43xx_phy_lo_g_measure(bcm);
1230         } else {
1231                 if (radio->version == 0x2050 && radio->revision == 8) {
1232                         bcm43xx_radio_write16(bcm, 0x0052,
1233                                               (radio->txctl1 << 4) | radio->txctl2);
1234                 } else {
1235                         bcm43xx_radio_write16(bcm, 0x0052,
1236                                               (bcm43xx_radio_read16(bcm, 0x0052)
1237                                                & 0xFFF0) | radio->txctl1);
1238                 }
1239                 if (phy->rev >= 6) {
1240                         bcm43xx_phy_write(bcm, 0x0036,
1241                                           (bcm43xx_phy_read(bcm, 0x0036)
1242                                            & 0x0FFF) | (radio->txctl2 << 12));
1243                 }
1244                 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
1245                         bcm43xx_phy_write(bcm, 0x002E, 0x8075);
1246                 else
1247                         bcm43xx_phy_write(bcm, 0x002E, 0x807F);
1248                 if (phy->rev < 2)
1249                         bcm43xx_phy_write(bcm, 0x002F, 0x0101);
1250                 else
1251                         bcm43xx_phy_write(bcm, 0x002F, 0x0202);
1252         }
1253         if (phy->connected || phy->rev >= 2) {
1254                 bcm43xx_phy_lo_adjust(bcm, 0);
1255                 bcm43xx_phy_write(bcm, 0x080F, 0x8078);
1256         }
1257
1258         if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) {
1259                 /* The specs state to update the NRSSI LT with
1260                  * the value 0x7FFFFFFF here. I think that is some weird
1261                  * compiler optimization in the original driver.
1262                  * Essentially, what we do here is resetting all NRSSI LT
1263                  * entries to -32 (see the limit_value() in nrssi_hw_update())
1264                  */
1265                 bcm43xx_nrssi_hw_update(bcm, 0xFFFF);
1266                 bcm43xx_calc_nrssi_threshold(bcm);
1267         } else if (phy->connected || phy->rev >= 2) {
1268                 if (radio->nrssi[0] == -1000) {
1269                         assert(radio->nrssi[1] == -1000);
1270                         bcm43xx_calc_nrssi_slope(bcm);
1271                 } else {
1272                         assert(radio->nrssi[1] != -1000);
1273                         bcm43xx_calc_nrssi_threshold(bcm);
1274                 }
1275         }
1276         if (radio->revision == 8)
1277                 bcm43xx_phy_write(bcm, 0x0805, 0x3230);
1278         bcm43xx_phy_init_pctl(bcm);
1279         if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) {
1280                 bcm43xx_phy_write(bcm, 0x0429,
1281                                   bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF);
1282                 bcm43xx_phy_write(bcm, 0x04C3,
1283                                   bcm43xx_phy_read(bcm, 0x04C3) & 0x7FFF);
1284         }
1285 }
1286
1287 static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm)
1288 {
1289         int i;
1290         u16 ret = 0;
1291         unsigned long flags;
1292
1293         local_irq_save(flags);
1294         for (i = 0; i < 10; i++){
1295                 bcm43xx_phy_write(bcm, 0x0015, 0xAFA0);
1296                 udelay(1);
1297                 bcm43xx_phy_write(bcm, 0x0015, 0xEFA0);
1298                 udelay(10);
1299                 bcm43xx_phy_write(bcm, 0x0015, 0xFFA0);
1300                 udelay(40);
1301                 ret += bcm43xx_phy_read(bcm, 0x002C);
1302         }
1303         local_irq_restore(flags);
1304         bcm43xx_voluntary_preempt();
1305
1306         return ret;
1307 }
1308
1309 void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm)
1310 {
1311         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1312         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1313         u16 regstack[12] = { 0 };
1314         u16 mls;
1315         u16 fval;
1316         int i, j;
1317
1318         regstack[0] = bcm43xx_phy_read(bcm, 0x0015);
1319         regstack[1] = bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0;
1320
1321         if (radio->version == 0x2053) {
1322                 regstack[2] = bcm43xx_phy_read(bcm, 0x000A);
1323                 regstack[3] = bcm43xx_phy_read(bcm, 0x002A);
1324                 regstack[4] = bcm43xx_phy_read(bcm, 0x0035);
1325                 regstack[5] = bcm43xx_phy_read(bcm, 0x0003);
1326                 regstack[6] = bcm43xx_phy_read(bcm, 0x0001);
1327                 regstack[7] = bcm43xx_phy_read(bcm, 0x0030);
1328
1329                 regstack[8] = bcm43xx_radio_read16(bcm, 0x0043);
1330                 regstack[9] = bcm43xx_radio_read16(bcm, 0x007A);
1331                 regstack[10] = bcm43xx_read16(bcm, 0x03EC);
1332                 regstack[11] = bcm43xx_radio_read16(bcm, 0x0052) & 0x00F0;
1333
1334                 bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
1335                 bcm43xx_write16(bcm, 0x03EC, 0x3F3F);
1336                 bcm43xx_phy_write(bcm, 0x0035, regstack[4] & 0xFF7F);
1337                 bcm43xx_radio_write16(bcm, 0x007A, regstack[9] & 0xFFF0);
1338         }
1339         bcm43xx_phy_write(bcm, 0x0015, 0xB000);
1340         bcm43xx_phy_write(bcm, 0x002B, 0x0004);
1341
1342         if (radio->version == 0x2053) {
1343                 bcm43xx_phy_write(bcm, 0x002B, 0x0203);
1344                 bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
1345         }
1346
1347         phy->minlowsig[0] = 0xFFFF;
1348
1349         for (i = 0; i < 4; i++) {
1350                 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
1351                 bcm43xx_phy_lo_b_r15_loop(bcm);
1352         }
1353         for (i = 0; i < 10; i++) {
1354                 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
1355                 mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
1356                 if (mls < phy->minlowsig[0]) {
1357                         phy->minlowsig[0] = mls;
1358                         phy->minlowsigpos[0] = i;
1359                 }
1360         }
1361         bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | phy->minlowsigpos[0]);
1362
1363         phy->minlowsig[1] = 0xFFFF;
1364
1365         for (i = -4; i < 5; i += 2) {
1366                 for (j = -4; j < 5; j += 2) {
1367                         if (j < 0)
1368                                 fval = (0x0100 * i) + j + 0x0100;
1369                         else
1370                                 fval = (0x0100 * i) + j;
1371                         bcm43xx_phy_write(bcm, 0x002F, fval);
1372                         mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
1373                         if (mls < phy->minlowsig[1]) {
1374                                 phy->minlowsig[1] = mls;
1375                                 phy->minlowsigpos[1] = fval;
1376                         }
1377                 }
1378         }
1379         phy->minlowsigpos[1] += 0x0101;
1380
1381         bcm43xx_phy_write(bcm, 0x002F, phy->minlowsigpos[1]);
1382         if (radio->version == 0x2053) {
1383                 bcm43xx_phy_write(bcm, 0x000A, regstack[2]);
1384                 bcm43xx_phy_write(bcm, 0x002A, regstack[3]);
1385                 bcm43xx_phy_write(bcm, 0x0035, regstack[4]);
1386                 bcm43xx_phy_write(bcm, 0x0003, regstack[5]);
1387                 bcm43xx_phy_write(bcm, 0x0001, regstack[6]);
1388                 bcm43xx_phy_write(bcm, 0x0030, regstack[7]);
1389
1390                 bcm43xx_radio_write16(bcm, 0x0043, regstack[8]);
1391                 bcm43xx_radio_write16(bcm, 0x007A, regstack[9]);
1392
1393                 bcm43xx_radio_write16(bcm, 0x0052,
1394                                       (bcm43xx_radio_read16(bcm, 0x0052) & 0x000F)
1395                                       | regstack[11]);
1396
1397                 bcm43xx_write16(bcm, 0x03EC, regstack[10]);
1398         }
1399         bcm43xx_phy_write(bcm, 0x0015, regstack[0]);
1400 }
1401
1402 static inline
1403 u16 bcm43xx_phy_lo_g_deviation_subval(struct bcm43xx_private *bcm, u16 control)
1404 {
1405         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1406         u16 ret;
1407         unsigned long flags;
1408
1409         local_irq_save(flags);
1410         if (phy->connected) {
1411                 bcm43xx_phy_write(bcm, 0x15, 0xE300);
1412                 control <<= 8;
1413                 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B0);
1414                 udelay(5);
1415                 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B2);
1416                 udelay(2);
1417                 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B3);
1418                 udelay(4);
1419                 bcm43xx_phy_write(bcm, 0x0015, 0xF300);
1420                 udelay(8);
1421         } else {
1422                 bcm43xx_phy_write(bcm, 0x0015, control | 0xEFA0);
1423                 udelay(2);
1424                 bcm43xx_phy_write(bcm, 0x0015, control | 0xEFE0);
1425                 udelay(4);
1426                 bcm43xx_phy_write(bcm, 0x0015, control | 0xFFE0);
1427                 udelay(8);
1428         }
1429         ret = bcm43xx_phy_read(bcm, 0x002D);
1430         local_irq_restore(flags);
1431         bcm43xx_voluntary_preempt();
1432
1433         return ret;
1434 }
1435
1436 static u32 bcm43xx_phy_lo_g_singledeviation(struct bcm43xx_private *bcm, u16 control)
1437 {
1438         int i;
1439         u32 ret = 0;
1440
1441         for (i = 0; i < 8; i++)
1442                 ret += bcm43xx_phy_lo_g_deviation_subval(bcm, control);
1443
1444         return ret;
1445 }
1446
1447 /* Write the LocalOscillator CONTROL */
1448 static inline
1449 void bcm43xx_lo_write(struct bcm43xx_private *bcm,
1450                       struct bcm43xx_lopair *pair)
1451 {
1452         u16 value;
1453
1454         value = (u8)(pair->low);
1455         value |= ((u8)(pair->high)) << 8;
1456
1457 #ifdef CONFIG_BCM43XX_DEBUG
1458         /* Sanity check. */
1459         if (pair->low < -8 || pair->low > 8 ||
1460             pair->high < -8 || pair->high > 8) {
1461                 printk(KERN_WARNING PFX
1462                        "WARNING: Writing invalid LOpair "
1463                        "(low: %d, high: %d, index: %lu)\n",
1464                        pair->low, pair->high,
1465                        (unsigned long)(pair - bcm43xx_current_phy(bcm)->_lo_pairs));
1466                 dump_stack();
1467         }
1468 #endif
1469
1470         bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, value);
1471 }
1472
1473 static inline
1474 struct bcm43xx_lopair * bcm43xx_find_lopair(struct bcm43xx_private *bcm,
1475                                             u16 baseband_attenuation,
1476                                             u16 radio_attenuation,
1477                                             u16 tx)
1478 {
1479         static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 };
1480         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1481
1482         if (baseband_attenuation > 6)
1483                 baseband_attenuation = 6;
1484         assert(radio_attenuation < 10);
1485
1486         if (tx == 3) {
1487                 return bcm43xx_get_lopair(phy,
1488                                           radio_attenuation,
1489                                           baseband_attenuation);
1490         }
1491         return bcm43xx_get_lopair(phy, dict[radio_attenuation], baseband_attenuation);
1492 }
1493
1494 static inline
1495 struct bcm43xx_lopair * bcm43xx_current_lopair(struct bcm43xx_private *bcm)
1496 {
1497         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1498
1499         return bcm43xx_find_lopair(bcm,
1500                                    radio->baseband_atten,
1501                                    radio->radio_atten,
1502                                    radio->txctl1);
1503 }
1504
1505 /* Adjust B/G LO */
1506 void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed)
1507 {
1508         struct bcm43xx_lopair *pair;
1509
1510         if (fixed) {
1511                 /* Use fixed values. Only for initialization. */
1512                 pair = bcm43xx_find_lopair(bcm, 2, 3, 0);
1513         } else
1514                 pair = bcm43xx_current_lopair(bcm);
1515         bcm43xx_lo_write(bcm, pair);
1516 }
1517
1518 static void bcm43xx_phy_lo_g_measure_txctl2(struct bcm43xx_private *bcm)
1519 {
1520         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1521         u16 txctl2 = 0, i;
1522         u32 smallest, tmp;
1523
1524         bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
1525         udelay(10);
1526         smallest = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
1527         for (i = 0; i < 16; i++) {
1528                 bcm43xx_radio_write16(bcm, 0x0052, i);
1529                 udelay(10);
1530                 tmp = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
1531                 if (tmp < smallest) {
1532                         smallest = tmp;
1533                         txctl2 = i;
1534                 }
1535         }
1536         radio->txctl2 = txctl2;
1537 }
1538
1539 static
1540 void bcm43xx_phy_lo_g_state(struct bcm43xx_private *bcm,
1541                             const struct bcm43xx_lopair *in_pair,
1542                             struct bcm43xx_lopair *out_pair,
1543                             u16 r27)
1544 {
1545         static const struct bcm43xx_lopair transitions[8] = {
1546                 { .high =  1,  .low =  1, },
1547                 { .high =  1,  .low =  0, },
1548                 { .high =  1,  .low = -1, },
1549                 { .high =  0,  .low = -1, },
1550                 { .high = -1,  .low = -1, },
1551                 { .high = -1,  .low =  0, },
1552                 { .high = -1,  .low =  1, },
1553                 { .high =  0,  .low =  1, },
1554         };
1555         struct bcm43xx_lopair lowest_transition = {
1556                 .high = in_pair->high,
1557                 .low = in_pair->low,
1558         };
1559         struct bcm43xx_lopair tmp_pair;
1560         struct bcm43xx_lopair transition;
1561         int i = 12;
1562         int state = 0;
1563         int found_lower;
1564         int j, begin, end;
1565         u32 lowest_deviation;
1566         u32 tmp;
1567
1568         /* Note that in_pair and out_pair can point to the same pair. Be careful. */
1569
1570         bcm43xx_lo_write(bcm, &lowest_transition);
1571         lowest_deviation = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
1572         do {
1573                 found_lower = 0;
1574                 assert(state >= 0 && state <= 8);
1575                 if (state == 0) {
1576                         begin = 1;
1577                         end = 8;
1578                 } else if (state % 2 == 0) {
1579                         begin = state - 1;
1580                         end = state + 1;
1581                 } else {
1582                         begin = state - 2;
1583                         end = state + 2;
1584                 }
1585                 if (begin < 1)
1586                         begin += 8;
1587                 if (end > 8)
1588                         end -= 8;
1589
1590                 j = begin;
1591                 tmp_pair.high = lowest_transition.high;
1592                 tmp_pair.low = lowest_transition.low;
1593                 while (1) {
1594                         assert(j >= 1 && j <= 8);
1595                         transition.high = tmp_pair.high + transitions[j - 1].high;
1596                         transition.low = tmp_pair.low + transitions[j - 1].low;
1597                         if ((abs(transition.low) < 9) && (abs(transition.high) < 9)) {
1598                                 bcm43xx_lo_write(bcm, &transition);
1599                                 tmp = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
1600                                 if (tmp < lowest_deviation) {
1601                                         lowest_deviation = tmp;
1602                                         state = j;
1603                                         found_lower = 1;
1604
1605                                         lowest_transition.high = transition.high;
1606                                         lowest_transition.low = transition.low;
1607                                 }
1608                         }
1609                         if (j == end)
1610                                 break;
1611                         if (j == 8)
1612                                 j = 1;
1613                         else
1614                                 j++;
1615                 }
1616         } while (i-- && found_lower);
1617
1618         out_pair->high = lowest_transition.high;
1619         out_pair->low = lowest_transition.low;
1620 }
1621
1622 /* Set the baseband attenuation value on chip. */
1623 void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm,
1624                                           u16 baseband_attenuation)
1625 {
1626         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1627         u16 value;
1628
1629         if (phy->analog == 0) {
1630                 value = (bcm43xx_read16(bcm, 0x03E6) & 0xFFF0);
1631                 value |= (baseband_attenuation & 0x000F);
1632                 bcm43xx_write16(bcm, 0x03E6, value);
1633                 return;
1634         }
1635
1636         if (phy->analog > 1) {
1637                 value = bcm43xx_phy_read(bcm, 0x0060) & ~0x003C;
1638                 value |= (baseband_attenuation << 2) & 0x003C;
1639         } else {
1640                 value = bcm43xx_phy_read(bcm, 0x0060) & ~0x0078;
1641                 value |= (baseband_attenuation << 3) & 0x0078;
1642         }
1643         bcm43xx_phy_write(bcm, 0x0060, value);
1644 }
1645
1646 /* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */
1647 void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm)
1648 {
1649         static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 };
1650         const int is_initializing = (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZING);
1651         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1652         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1653         u16 h, i, oldi = 0, j;
1654         struct bcm43xx_lopair control;
1655         struct bcm43xx_lopair *tmp_control;
1656         u16 tmp;
1657         u16 regstack[16] = { 0 };
1658         u8 oldchannel;
1659
1660         //XXX: What are these?
1661         u8 r27 = 0, r31;
1662
1663         oldchannel = radio->channel;
1664         /* Setup */
1665         if (phy->connected) {
1666                 regstack[0] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS);
1667                 regstack[1] = bcm43xx_phy_read(bcm, 0x0802);
1668                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
1669                 bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
1670         }
1671         regstack[3] = bcm43xx_read16(bcm, 0x03E2);
1672         bcm43xx_write16(bcm, 0x03E2, regstack[3] | 0x8000);
1673         regstack[4] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
1674         regstack[5] = bcm43xx_phy_read(bcm, 0x15);
1675         regstack[6] = bcm43xx_phy_read(bcm, 0x2A);
1676         regstack[7] = bcm43xx_phy_read(bcm, 0x35);
1677         regstack[8] = bcm43xx_phy_read(bcm, 0x60);
1678         regstack[9] = bcm43xx_radio_read16(bcm, 0x43);
1679         regstack[10] = bcm43xx_radio_read16(bcm, 0x7A);
1680         regstack[11] = bcm43xx_radio_read16(bcm, 0x52);
1681         if (phy->connected) {
1682                 regstack[12] = bcm43xx_phy_read(bcm, 0x0811);
1683                 regstack[13] = bcm43xx_phy_read(bcm, 0x0812);
1684                 regstack[14] = bcm43xx_phy_read(bcm, 0x0814);
1685                 regstack[15] = bcm43xx_phy_read(bcm, 0x0815);
1686         }
1687         bcm43xx_radio_selectchannel(bcm, 6, 0);
1688         if (phy->connected) {
1689                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
1690                 bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
1691                 bcm43xx_dummy_transmission(bcm);
1692         }
1693         bcm43xx_radio_write16(bcm, 0x0043, 0x0006);
1694
1695         bcm43xx_phy_set_baseband_attenuation(bcm, 2);
1696
1697         bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x0000);
1698         bcm43xx_phy_write(bcm, 0x002E, 0x007F);
1699         bcm43xx_phy_write(bcm, 0x080F, 0x0078);
1700         bcm43xx_phy_write(bcm, 0x0035, regstack[7] & ~(1 << 7));
1701         bcm43xx_radio_write16(bcm, 0x007A, regstack[10] & 0xFFF0);
1702         bcm43xx_phy_write(bcm, 0x002B, 0x0203);
1703         bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
1704         if (phy->connected) {
1705                 bcm43xx_phy_write(bcm, 0x0814, regstack[14] | 0x0003);
1706                 bcm43xx_phy_write(bcm, 0x0815, regstack[15] & 0xFFFC);
1707                 bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
1708                 bcm43xx_phy_write(bcm, 0x0812, 0x00B2);
1709         }
1710         if (is_initializing)
1711                 bcm43xx_phy_lo_g_measure_txctl2(bcm);
1712         bcm43xx_phy_write(bcm, 0x080F, 0x8078);
1713
1714         /* Measure */
1715         control.low = 0;
1716         control.high = 0;
1717         for (h = 0; h < 10; h++) {
1718                 /* Loop over each possible RadioAttenuation (0-9) */
1719                 i = pairorder[h];
1720                 if (is_initializing) {
1721                         if (i == 3) {
1722                                 control.low = 0;
1723                                 control.high = 0;
1724                         } else if (((i % 2 == 1) && (oldi % 2 == 1)) ||
1725                                   ((i % 2 == 0) && (oldi % 2 == 0))) {
1726                                 tmp_control = bcm43xx_get_lopair(phy, oldi, 0);
1727                                 memcpy(&control, tmp_control, sizeof(control));
1728                         } else {
1729                                 tmp_control = bcm43xx_get_lopair(phy, 3, 0);
1730                                 memcpy(&control, tmp_control, sizeof(control));
1731                         }
1732                 }
1733                 /* Loop over each possible BasebandAttenuation/2 */
1734                 for (j = 0; j < 4; j++) {
1735                         if (is_initializing) {
1736                                 tmp = i * 2 + j;
1737                                 r27 = 0;
1738                                 r31 = 0;
1739                                 if (tmp > 14) {
1740                                         r31 = 1;
1741                                         if (tmp > 17)
1742                                                 r27 = 1;
1743                                         if (tmp > 19)
1744                                                 r27 = 2;
1745                                 }
1746                         } else {
1747                                 tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1748                                 if (!tmp_control->used)
1749                                         continue;
1750                                 memcpy(&control, tmp_control, sizeof(control));
1751                                 r27 = 3;
1752                                 r31 = 0;
1753                         }
1754                         bcm43xx_radio_write16(bcm, 0x43, i);
1755                         bcm43xx_radio_write16(bcm, 0x52, radio->txctl2);
1756                         udelay(10);
1757                         bcm43xx_voluntary_preempt();
1758
1759                         bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
1760
1761                         tmp = (regstack[10] & 0xFFF0);
1762                         if (r31)
1763                                 tmp |= 0x0008;
1764                         bcm43xx_radio_write16(bcm, 0x007A, tmp);
1765
1766                         tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1767                         bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
1768                 }
1769                 oldi = i;
1770         }
1771         /* Loop over each possible RadioAttenuation (10-13) */
1772         for (i = 10; i < 14; i++) {
1773                 /* Loop over each possible BasebandAttenuation/2 */
1774                 for (j = 0; j < 4; j++) {
1775                         if (is_initializing) {
1776                                 tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
1777                                 memcpy(&control, tmp_control, sizeof(control));
1778                                 tmp = (i - 9) * 2 + j - 5;//FIXME: This is wrong, as the following if statement can never trigger.
1779                                 r27 = 0;
1780                                 r31 = 0;
1781                                 if (tmp > 14) {
1782                                         r31 = 1;
1783                                         if (tmp > 17)
1784                                                 r27 = 1;
1785                                         if (tmp > 19)
1786                                                 r27 = 2;
1787                                 }
1788                         } else {
1789                                 tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
1790                                 if (!tmp_control->used)
1791                                         continue;
1792                                 memcpy(&control, tmp_control, sizeof(control));
1793                                 r27 = 3;
1794                                 r31 = 0;
1795                         }
1796                         bcm43xx_radio_write16(bcm, 0x43, i - 9);
1797                         bcm43xx_radio_write16(bcm, 0x52,
1798                                               radio->txctl2
1799                                               | (3/*txctl1*/ << 4));//FIXME: shouldn't txctl1 be zero here and 3 in the loop above?
1800                         udelay(10);
1801                         bcm43xx_voluntary_preempt();
1802
1803                         bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
1804
1805                         tmp = (regstack[10] & 0xFFF0);
1806                         if (r31)
1807                                 tmp |= 0x0008;
1808                         bcm43xx_radio_write16(bcm, 0x7A, tmp);
1809
1810                         tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1811                         bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
1812                 }
1813         }
1814
1815         /* Restoration */
1816         if (phy->connected) {
1817                 bcm43xx_phy_write(bcm, 0x0015, 0xE300);
1818                 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA0);
1819                 udelay(5);
1820                 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA2);
1821                 udelay(2);
1822                 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA3);
1823                 bcm43xx_voluntary_preempt();
1824         } else
1825                 bcm43xx_phy_write(bcm, 0x0015, r27 | 0xEFA0);
1826         bcm43xx_phy_lo_adjust(bcm, is_initializing);
1827         bcm43xx_phy_write(bcm, 0x002E, 0x807F);
1828         if (phy->connected)
1829                 bcm43xx_phy_write(bcm, 0x002F, 0x0202);
1830         else
1831                 bcm43xx_phy_write(bcm, 0x002F, 0x0101);
1832         bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, regstack[4]);
1833         bcm43xx_phy_write(bcm, 0x0015, regstack[5]);
1834         bcm43xx_phy_write(bcm, 0x002A, regstack[6]);
1835         bcm43xx_phy_write(bcm, 0x0035, regstack[7]);
1836         bcm43xx_phy_write(bcm, 0x0060, regstack[8]);
1837         bcm43xx_radio_write16(bcm, 0x0043, regstack[9]);
1838         bcm43xx_radio_write16(bcm, 0x007A, regstack[10]);
1839         regstack[11] &= 0x00F0;
1840         regstack[11] |= (bcm43xx_radio_read16(bcm, 0x52) & 0x000F);
1841         bcm43xx_radio_write16(bcm, 0x52, regstack[11]);
1842         bcm43xx_write16(bcm, 0x03E2, regstack[3]);
1843         if (phy->connected) {
1844                 bcm43xx_phy_write(bcm, 0x0811, regstack[12]);
1845                 bcm43xx_phy_write(bcm, 0x0812, regstack[13]);
1846                 bcm43xx_phy_write(bcm, 0x0814, regstack[14]);
1847                 bcm43xx_phy_write(bcm, 0x0815, regstack[15]);
1848                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0]);
1849                 bcm43xx_phy_write(bcm, 0x0802, regstack[1]);
1850         }
1851         bcm43xx_radio_selectchannel(bcm, oldchannel, 1);
1852
1853 #ifdef CONFIG_BCM43XX_DEBUG
1854         {
1855                 /* Sanity check for all lopairs. */
1856                 for (i = 0; i < BCM43xx_LO_COUNT; i++) {
1857                         tmp_control = phy->_lo_pairs + i;
1858                         if (tmp_control->low < -8 || tmp_control->low > 8 ||
1859                             tmp_control->high < -8 || tmp_control->high > 8) {
1860                                 printk(KERN_WARNING PFX
1861                                        "WARNING: Invalid LOpair (low: %d, high: %d, index: %d)\n",
1862                                        tmp_control->low, tmp_control->high, i);
1863                         }
1864                 }
1865         }
1866 #endif /* CONFIG_BCM43XX_DEBUG */
1867 }
1868
1869 static
1870 void bcm43xx_phy_lo_mark_current_used(struct bcm43xx_private *bcm)
1871 {
1872         struct bcm43xx_lopair *pair;
1873
1874         pair = bcm43xx_current_lopair(bcm);
1875         pair->used = 1;
1876 }
1877
1878 void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm)
1879 {
1880         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1881         struct bcm43xx_lopair *pair;
1882         int i;
1883
1884         for (i = 0; i < BCM43xx_LO_COUNT; i++) {
1885                 pair = phy->_lo_pairs + i;
1886                 pair->used = 0;
1887         }
1888 }
1889
1890 /* http://bcm-specs.sipsolutions.net/EstimatePowerOut
1891  * This function converts a TSSI value to dBm in Q5.2
1892  */
1893 static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_private *bcm, s8 tssi)
1894 {
1895         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1896         s8 dbm = 0;
1897         s32 tmp;
1898
1899         tmp = phy->idle_tssi;
1900         tmp += tssi;
1901         tmp -= phy->savedpctlreg;
1902
1903         switch (phy->type) {
1904                 case BCM43xx_PHYTYPE_A:
1905                         tmp += 0x80;
1906                         tmp = limit_value(tmp, 0x00, 0xFF);
1907                         dbm = phy->tssi2dbm[tmp];
1908                         TODO(); //TODO: There's a FIXME on the specs
1909                         break;
1910                 case BCM43xx_PHYTYPE_B:
1911                 case BCM43xx_PHYTYPE_G:
1912                         tmp = limit_value(tmp, 0x00, 0x3F);
1913                         dbm = phy->tssi2dbm[tmp];
1914                         break;
1915                 default:
1916                         assert(0);
1917         }
1918
1919         return dbm;
1920 }
1921
1922 /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
1923 void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm)
1924 {
1925         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1926         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1927
1928         if (phy->savedpctlreg == 0xFFFF)
1929                 return;
1930         if ((bcm->board_type == 0x0416) &&
1931             (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM))
1932                 return;
1933
1934         switch (phy->type) {
1935         case BCM43xx_PHYTYPE_A: {
1936
1937                 TODO(); //TODO: Nothing for A PHYs yet :-/
1938
1939                 break;
1940         }
1941         case BCM43xx_PHYTYPE_B:
1942         case BCM43xx_PHYTYPE_G: {
1943                 u16 tmp;
1944                 u16 txpower;
1945                 s8 v0, v1, v2, v3;
1946                 s8 average;
1947                 u8 max_pwr;
1948                 s16 desired_pwr, estimated_pwr, pwr_adjust;
1949                 s16 radio_att_delta, baseband_att_delta;
1950                 s16 radio_attenuation, baseband_attenuation;
1951                 unsigned long phylock_flags;
1952
1953                 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0058);
1954                 v0 = (s8)(tmp & 0x00FF);
1955                 v1 = (s8)((tmp & 0xFF00) >> 8);
1956                 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005A);
1957                 v2 = (s8)(tmp & 0x00FF);
1958                 v3 = (s8)((tmp & 0xFF00) >> 8);
1959                 tmp = 0;
1960
1961                 if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) {
1962                         tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0070);
1963                         v0 = (s8)(tmp & 0x00FF);
1964                         v1 = (s8)((tmp & 0xFF00) >> 8);
1965                         tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0072);
1966                         v2 = (s8)(tmp & 0x00FF);
1967                         v3 = (s8)((tmp & 0xFF00) >> 8);
1968                         if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F)
1969                                 return;
1970                         v0 = (v0 + 0x20) & 0x3F;
1971                         v1 = (v1 + 0x20) & 0x3F;
1972                         v2 = (v2 + 0x20) & 0x3F;
1973                         v3 = (v3 + 0x20) & 0x3F;
1974                         tmp = 1;
1975                 }
1976                 bcm43xx_radio_clear_tssi(bcm);
1977
1978                 average = (v0 + v1 + v2 + v3 + 2) / 4;
1979
1980                 if (tmp && (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005E) & 0x8))
1981                         average -= 13;
1982
1983                 estimated_pwr = bcm43xx_phy_estimate_power_out(bcm, average);
1984
1985                 max_pwr = bcm->sprom.maxpower_bgphy;
1986
1987                 if ((bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) &&
1988                     (phy->type == BCM43xx_PHYTYPE_G))
1989                         max_pwr -= 0x3;
1990
1991                 /*TODO:
1992                 max_pwr = min(REG - bcm->sprom.antennagain_bgphy - 0x6, max_pwr)
1993                         where REG is the max power as per the regulatory domain
1994                 */
1995
1996                 desired_pwr = limit_value(radio->txpower_desired, 0, max_pwr);
1997                 /* Check if we need to adjust the current power. */
1998                 pwr_adjust = desired_pwr - estimated_pwr;
1999                 radio_att_delta = -(pwr_adjust + 7) >> 3;
2000                 baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta);
2001                 if ((radio_att_delta == 0) && (baseband_att_delta == 0)) {
2002                         bcm43xx_phy_lo_mark_current_used(bcm);
2003                         return;
2004                 }
2005
2006                 /* Calculate the new attenuation values. */
2007                 baseband_attenuation = radio->baseband_atten;
2008                 baseband_attenuation += baseband_att_delta;
2009                 radio_attenuation = radio->radio_atten;
2010                 radio_attenuation += radio_att_delta;
2011
2012                 /* Get baseband and radio attenuation values into their permitted ranges.
2013                  * baseband 0-11, radio 0-9.
2014                  * Radio attenuation affects power level 4 times as much as baseband.
2015                  */
2016                 if (radio_attenuation < 0) {
2017                         baseband_attenuation -= (4 * -radio_attenuation);
2018                         radio_attenuation = 0;
2019                 } else if (radio_attenuation > 9) {
2020                         baseband_attenuation += (4 * (radio_attenuation - 9));
2021                         radio_attenuation = 9;
2022                 } else {
2023                         while (baseband_attenuation < 0 && radio_attenuation > 0) {
2024                                 baseband_attenuation += 4;
2025                                 radio_attenuation--;
2026                         }
2027                         while (baseband_attenuation > 11 && radio_attenuation < 9) {
2028                                 baseband_attenuation -= 4;
2029                                 radio_attenuation++;
2030                         }
2031                 }
2032                 baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
2033
2034                 txpower = radio->txctl1;
2035                 if ((radio->version == 0x2050) && (radio->revision == 2)) {
2036                         if (radio_attenuation <= 1) {
2037                                 if (txpower == 0) {
2038                                         txpower = 3;
2039                                         radio_attenuation += 2;
2040                                         baseband_attenuation += 2;
2041                                 } else if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
2042                                         baseband_attenuation += 4 * (radio_attenuation - 2);
2043                                         radio_attenuation = 2;
2044                                 }
2045                         } else if (radio_attenuation > 4 && txpower != 0) {
2046                                 txpower = 0;
2047                                 if (baseband_attenuation < 3) {
2048                                         radio_attenuation -= 3;
2049                                         baseband_attenuation += 2;
2050                                 } else {
2051                                         radio_attenuation -= 2;
2052                                         baseband_attenuation -= 2;
2053                                 }
2054                         }
2055                 }
2056                 radio->txctl1 = txpower;
2057                 baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
2058                 radio_attenuation = limit_value(radio_attenuation, 0, 9);
2059
2060                 bcm43xx_phy_lock(bcm, phylock_flags);
2061                 bcm43xx_radio_lock(bcm);
2062                 bcm43xx_radio_set_txpower_bg(bcm, baseband_attenuation,
2063                                              radio_attenuation, txpower);
2064                 bcm43xx_phy_lo_mark_current_used(bcm);
2065                 bcm43xx_radio_unlock(bcm);
2066                 bcm43xx_phy_unlock(bcm, phylock_flags);
2067                 break;
2068         }
2069         default:
2070                 assert(0);
2071         }
2072 }
2073
2074 static inline
2075 s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den)
2076 {
2077         if (num < 0)
2078                 return num/den;
2079         else
2080                 return (num+den/2)/den;
2081 }
2082
2083 static inline
2084 s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2)
2085 {
2086         s32 m1, m2, f = 256, q, delta;
2087         s8 i = 0;
2088
2089         m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
2090         m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1);
2091         do {
2092                 if (i > 15)
2093                         return -EINVAL;
2094                 q = bcm43xx_tssi2dbm_ad(f * 4096 -
2095                                         bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048);
2096                 delta = abs(q - f);
2097                 f = q;
2098                 i++;
2099         } while (delta >= 2);
2100         entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128);
2101         return 0;
2102 }
2103
2104 /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */
2105 int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm)
2106 {
2107         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2108         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
2109         s16 pab0, pab1, pab2;
2110         u8 idx;
2111         s8 *dyn_tssi2dbm;
2112
2113         if (phy->type == BCM43xx_PHYTYPE_A) {
2114                 pab0 = (s16)(bcm->sprom.pa1b0);
2115                 pab1 = (s16)(bcm->sprom.pa1b1);
2116                 pab2 = (s16)(bcm->sprom.pa1b2);
2117         } else {
2118                 pab0 = (s16)(bcm->sprom.pa0b0);
2119                 pab1 = (s16)(bcm->sprom.pa0b1);
2120                 pab2 = (s16)(bcm->sprom.pa0b2);
2121         }
2122
2123         if ((bcm->chip_id == 0x4301) && (radio->version != 0x2050)) {
2124                 phy->idle_tssi = 0x34;
2125                 phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
2126                 return 0;
2127         }
2128
2129         if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
2130             pab0 != -1 && pab1 != -1 && pab2 != -1) {
2131                 /* The pabX values are set in SPROM. Use them. */
2132                 if (phy->type == BCM43xx_PHYTYPE_A) {
2133                         if ((s8)bcm->sprom.idle_tssi_tgt_aphy != 0 &&
2134                             (s8)bcm->sprom.idle_tssi_tgt_aphy != -1)
2135                                 phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_aphy);
2136                         else
2137                                 phy->idle_tssi = 62;
2138                 } else {
2139                         if ((s8)bcm->sprom.idle_tssi_tgt_bgphy != 0 &&
2140                             (s8)bcm->sprom.idle_tssi_tgt_bgphy != -1)
2141                                 phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_bgphy);
2142                         else
2143                                 phy->idle_tssi = 62;
2144                 }
2145                 dyn_tssi2dbm = kmalloc(64, GFP_KERNEL);
2146                 if (dyn_tssi2dbm == NULL) {
2147                         printk(KERN_ERR PFX "Could not allocate memory"
2148                                             "for tssi2dbm table\n");
2149                         return -ENOMEM;
2150                 }
2151                 for (idx = 0; idx < 64; idx++)
2152                         if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) {
2153                                 phy->tssi2dbm = NULL;
2154                                 printk(KERN_ERR PFX "Could not generate "
2155                                                     "tssi2dBm table\n");
2156                                 kfree(dyn_tssi2dbm);
2157                                 return -ENODEV;
2158                         }
2159                 phy->tssi2dbm = dyn_tssi2dbm;
2160                 phy->dyn_tssi_tbl = 1;
2161         } else {
2162                 /* pabX values not set in SPROM. */
2163                 switch (phy->type) {
2164                 case BCM43xx_PHYTYPE_A:
2165                         /* APHY needs a generated table. */
2166                         phy->tssi2dbm = NULL;
2167                         printk(KERN_ERR PFX "Could not generate tssi2dBm "
2168                                             "table (wrong SPROM info)!\n");
2169                         return -ENODEV;
2170                 case BCM43xx_PHYTYPE_B:
2171                         phy->idle_tssi = 0x34;
2172                         phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
2173                         break;
2174                 case BCM43xx_PHYTYPE_G:
2175                         phy->idle_tssi = 0x34;
2176                         phy->tssi2dbm = bcm43xx_tssi2dbm_g_table;
2177                         break;
2178                 }
2179         }
2180
2181         return 0;
2182 }
2183
2184 int bcm43xx_phy_init(struct bcm43xx_private *bcm)
2185 {
2186         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2187         int err = -ENODEV;
2188
2189         switch (phy->type) {
2190         case BCM43xx_PHYTYPE_A:
2191                 if (phy->rev == 2 || phy->rev == 3) {
2192                         bcm43xx_phy_inita(bcm);
2193                         err = 0;
2194                 }
2195                 break;
2196         case BCM43xx_PHYTYPE_B:
2197                 switch (phy->rev) {
2198                 case 2:
2199                         bcm43xx_phy_initb2(bcm);
2200                         err = 0;
2201                         break;
2202                 case 4:
2203                         bcm43xx_phy_initb4(bcm);
2204                         err = 0;
2205                         break;
2206                 case 5:
2207                         bcm43xx_phy_initb5(bcm);
2208                         err = 0;
2209                         break;
2210                 case 6:
2211                         bcm43xx_phy_initb6(bcm);
2212                         err = 0;
2213                         break;
2214                 }
2215                 break;
2216         case BCM43xx_PHYTYPE_G:
2217                 bcm43xx_phy_initg(bcm);
2218                 err = 0;
2219                 break;
2220         }
2221         if (err)
2222                 printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n");
2223
2224         return err;
2225 }
2226
2227 void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm)
2228 {
2229         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2230         u16 antennadiv;
2231         u16 offset;
2232         u16 value;
2233         u32 ucodeflags;
2234
2235         antennadiv = phy->antenna_diversity;
2236
2237         if (antennadiv == 0xFFFF)
2238                 antennadiv = 3;
2239         assert(antennadiv <= 3);
2240
2241         ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2242                                         BCM43xx_UCODEFLAGS_OFFSET);
2243         bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2244                             BCM43xx_UCODEFLAGS_OFFSET,
2245                             ucodeflags & ~BCM43xx_UCODEFLAG_AUTODIV);
2246
2247         switch (phy->type) {
2248         case BCM43xx_PHYTYPE_A:
2249         case BCM43xx_PHYTYPE_G:
2250                 if (phy->type == BCM43xx_PHYTYPE_A)
2251                         offset = 0x0000;
2252                 else
2253                         offset = 0x0400;
2254
2255                 if (antennadiv == 2)
2256                         value = (3/*automatic*/ << 7);
2257                 else
2258                         value = (antennadiv << 7);
2259                 bcm43xx_phy_write(bcm, offset + 1,
2260                                   (bcm43xx_phy_read(bcm, offset + 1)
2261                                    & 0x7E7F) | value);
2262
2263                 if (antennadiv >= 2) {
2264                         if (antennadiv == 2)
2265                                 value = (antennadiv << 7);
2266                         else
2267                                 value = (0/*force0*/ << 7);
2268                         bcm43xx_phy_write(bcm, offset + 0x2B,
2269                                           (bcm43xx_phy_read(bcm, offset + 0x2B)
2270                                            & 0xFEFF) | value);
2271                 }
2272
2273                 if (phy->type == BCM43xx_PHYTYPE_G) {
2274                         if (antennadiv >= 2)
2275                                 bcm43xx_phy_write(bcm, 0x048C,
2276                                                   bcm43xx_phy_read(bcm, 0x048C)
2277                                                    | 0x2000);
2278                         else
2279                                 bcm43xx_phy_write(bcm, 0x048C,
2280                                                   bcm43xx_phy_read(bcm, 0x048C)
2281                                                    & ~0x2000);
2282                         if (phy->rev >= 2) {
2283                                 bcm43xx_phy_write(bcm, 0x0461,
2284                                                   bcm43xx_phy_read(bcm, 0x0461)
2285                                                    | 0x0010);
2286                                 bcm43xx_phy_write(bcm, 0x04AD,
2287                                                   (bcm43xx_phy_read(bcm, 0x04AD)
2288                                                    & 0x00FF) | 0x0015);
2289                                 if (phy->rev == 2)
2290                                         bcm43xx_phy_write(bcm, 0x0427, 0x0008);
2291                                 else
2292                                         bcm43xx_phy_write(bcm, 0x0427,
2293                                                 (bcm43xx_phy_read(bcm, 0x0427)
2294                                                  & 0x00FF) | 0x0008);
2295                         }
2296                         else if (phy->rev >= 6)
2297                                 bcm43xx_phy_write(bcm, 0x049B, 0x00DC);
2298                 } else {
2299                         if (phy->rev < 3)
2300                                 bcm43xx_phy_write(bcm, 0x002B,
2301                                                   (bcm43xx_phy_read(bcm, 0x002B)
2302                                                    & 0x00FF) | 0x0024);
2303                         else {
2304                                 bcm43xx_phy_write(bcm, 0x0061,
2305                                                   bcm43xx_phy_read(bcm, 0x0061)
2306                                                    | 0x0010);
2307                                 if (phy->rev == 3) {
2308                                         bcm43xx_phy_write(bcm, 0x0093, 0x001D);
2309                                         bcm43xx_phy_write(bcm, 0x0027, 0x0008);
2310                                 } else {
2311                                         bcm43xx_phy_write(bcm, 0x0093, 0x003A);
2312                                         bcm43xx_phy_write(bcm, 0x0027,
2313                                                 (bcm43xx_phy_read(bcm, 0x0027)
2314                                                  & 0x00FF) | 0x0008);
2315                                 }
2316                         }
2317                 }
2318                 break;
2319         case BCM43xx_PHYTYPE_B:
2320                 if (bcm->current_core->rev == 2)
2321                         value = (3/*automatic*/ << 7);
2322                 else
2323                         value = (antennadiv << 7);
2324                 bcm43xx_phy_write(bcm, 0x03E2,
2325                                   (bcm43xx_phy_read(bcm, 0x03E2)
2326                                    & 0xFE7F) | value);
2327                 break;
2328         default:
2329                 assert(0);
2330         }
2331
2332         if (antennadiv >= 2) {
2333                 ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2334                                                 BCM43xx_UCODEFLAGS_OFFSET);
2335                 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2336                                     BCM43xx_UCODEFLAGS_OFFSET,
2337                                     ucodeflags | BCM43xx_UCODEFLAG_AUTODIV);
2338         }
2339
2340         phy->antenna_diversity = antennadiv;
2341 }