git.oblomov.eu Git - linux-2.6/blob - 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];
 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         backup_phy[4] = bcm43xx_phy_read(bcm, 0x0814);
 993         backup_phy[5] = bcm43xx_phy_read(bcm, 0x0815);
 994         backup_phy[6] = bcm43xx_phy_read(bcm, 0x005A);
 995         backup_phy[7] = bcm43xx_phy_read(bcm, 0x0059);
 996         backup_phy[8] = bcm43xx_phy_read(bcm, 0x0058);
 997         backup_phy[9] = bcm43xx_phy_read(bcm, 0x000A);
 998         backup_phy[10] = bcm43xx_phy_read(bcm, 0x0003);
 999         backup_phy[11] = bcm43xx_phy_read(bcm, 0x080F);
1000         backup_phy[12] = bcm43xx_phy_read(bcm, 0x0810);
1001         backup_phy[13] = bcm43xx_phy_read(bcm, 0x002B);
1002         backup_phy[14] = bcm43xx_phy_read(bcm, 0x0015);
1003         bcm43xx_phy_read(bcm, 0x002D); /* dummy read */
1004         backup_bband = radio->baseband_atten;
1005         backup_radio[0] = bcm43xx_radio_read16(bcm, 0x0052);
1006         backup_radio[1] = bcm43xx_radio_read16(bcm, 0x0043);
1007         backup_radio[2] = bcm43xx_radio_read16(bcm, 0x007A);
1008
1009         bcm43xx_phy_write(bcm, 0x0429,
1010                           bcm43xx_phy_read(bcm, 0x0429) & 0x3FFF);
1011         bcm43xx_phy_write(bcm, 0x0001,
1012                           bcm43xx_phy_read(bcm, 0x0001) & 0x8000);
1013         bcm43xx_phy_write(bcm, 0x0811,
1014                           bcm43xx_phy_read(bcm, 0x0811) | 0x0002);
1015         bcm43xx_phy_write(bcm, 0x0812,
1016                           bcm43xx_phy_read(bcm, 0x0812) & 0xFFFD);
1017         bcm43xx_phy_write(bcm, 0x0811,
1018                           bcm43xx_phy_read(bcm, 0x0811) | 0x0001);
1019         bcm43xx_phy_write(bcm, 0x0812,
1020                           bcm43xx_phy_read(bcm, 0x0812) & 0xFFFE);
1021         bcm43xx_phy_write(bcm, 0x0814,
1022                           bcm43xx_phy_read(bcm, 0x0814) | 0x0001);
1023         bcm43xx_phy_write(bcm, 0x0815,
1024                           bcm43xx_phy_read(bcm, 0x0815) & 0xFFFE);
1025         bcm43xx_phy_write(bcm, 0x0814,
1026                           bcm43xx_phy_read(bcm, 0x0814) | 0x0002);
1027         bcm43xx_phy_write(bcm, 0x0815,
1028                           bcm43xx_phy_read(bcm, 0x0815) & 0xFFFD);
1029         bcm43xx_phy_write(bcm, 0x0811,
1030                           bcm43xx_phy_read(bcm, 0x0811) | 0x000C);
1031         bcm43xx_phy_write(bcm, 0x0812,
1032                           bcm43xx_phy_read(bcm, 0x0812) | 0x000C);
1033
1034         bcm43xx_phy_write(bcm, 0x0811,
1035                           (bcm43xx_phy_read(bcm, 0x0811)
1036                            & 0xFFCF) | 0x0030);
1037         bcm43xx_phy_write(bcm, 0x0812,
1038                           (bcm43xx_phy_read(bcm, 0x0812)
1039                            & 0xFFCF) | 0x0010);
1040
1041         bcm43xx_phy_write(bcm, 0x005A, 0x0780);
1042         bcm43xx_phy_write(bcm, 0x0059, 0xC810);
1043         bcm43xx_phy_write(bcm, 0x0058, 0x000D);
1044         if (phy->analog == 0) {
1045                 bcm43xx_phy_write(bcm, 0x0003, 0x0122);
1046         } else {
1047                 bcm43xx_phy_write(bcm, 0x000A,
1048                                   bcm43xx_phy_read(bcm, 0x000A)
1049                                   | 0x2000);
1050         }
1051         bcm43xx_phy_write(bcm, 0x0814,
1052                           bcm43xx_phy_read(bcm, 0x0814) | 0x0004);
1053         bcm43xx_phy_write(bcm, 0x0815,
1054                           bcm43xx_phy_read(bcm, 0x0815) & 0xFFFB);
1055         bcm43xx_phy_write(bcm, 0x0003,
1056                           (bcm43xx_phy_read(bcm, 0x0003)
1057                            & 0xFF9F) | 0x0040);
1058         if (radio->version == 0x2050 && radio->revision == 2) {
1059                 bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
1060                 bcm43xx_radio_write16(bcm, 0x0043,
1061                                       (bcm43xx_radio_read16(bcm, 0x0043)
1062                                        & 0xFFF0) | 0x0009);
1063                 loop1_cnt = 9;
1064         } else if (radio->revision == 8) {
1065                 bcm43xx_radio_write16(bcm, 0x0043, 0x000F);
1066                 loop1_cnt = 15;
1067         } else
1068                 loop1_cnt = 0;
1069
1070         bcm43xx_phy_set_baseband_attenuation(bcm, 11);
1071
1072         if (phy->rev >= 3)
1073                 bcm43xx_phy_write(bcm, 0x080F, 0xC020);
1074         else
1075                 bcm43xx_phy_write(bcm, 0x080F, 0x8020);
1076         bcm43xx_phy_write(bcm, 0x0810, 0x0000);
1077
1078         bcm43xx_phy_write(bcm, 0x002B,
1079                           (bcm43xx_phy_read(bcm, 0x002B)
1080                            & 0xFFC0) | 0x0001);
1081         bcm43xx_phy_write(bcm, 0x002B,
1082                           (bcm43xx_phy_read(bcm, 0x002B)
1083                            & 0xC0FF) | 0x0800);
1084         bcm43xx_phy_write(bcm, 0x0811,
1085                           bcm43xx_phy_read(bcm, 0x0811) | 0x0100);
1086         bcm43xx_phy_write(bcm, 0x0812,
1087                           bcm43xx_phy_read(bcm, 0x0812) & 0xCFFF);
1088         if (bcm->sprom.boardflags & BCM43xx_BFL_EXTLNA) {
1089                 if (phy->rev >= 7) {
1090                         bcm43xx_phy_write(bcm, 0x0811,
1091                                           bcm43xx_phy_read(bcm, 0x0811)
1092                                           | 0x0800);
1093                         bcm43xx_phy_write(bcm, 0x0812,
1094                                           bcm43xx_phy_read(bcm, 0x0812)
1095                                           | 0x8000);
1096                 }
1097         }
1098         bcm43xx_radio_write16(bcm, 0x007A,
1099                               bcm43xx_radio_read16(bcm, 0x007A)
1100                               & 0x00F7);
1101
1102         for (i = 0; i < loop1_cnt; i++) {
1103                 bcm43xx_radio_write16(bcm, 0x0043, loop1_cnt);
1104                 bcm43xx_phy_write(bcm, 0x0812,
1105                                   (bcm43xx_phy_read(bcm, 0x0812)
1106                                    & 0xF0FF) | (i << 8));
1107                 bcm43xx_phy_write(bcm, 0x0015,
1108                                   (bcm43xx_phy_read(bcm, 0x0015)
1109                                    & 0x0FFF) | 0xA000);
1110                 bcm43xx_phy_write(bcm, 0x0015,
1111                                   (bcm43xx_phy_read(bcm, 0x0015)
1112                                    & 0x0FFF) | 0xF000);
1113                 udelay(20);
1114                 if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC)
1115                         break;
1116         }
1117         loop1_done = i;
1118         loop1_omitted = loop1_cnt - loop1_done;
1119
1120         loop2_done = 0;
1121         if (loop1_done >= 8) {
1122                 bcm43xx_phy_write(bcm, 0x0812,
1123                                   bcm43xx_phy_read(bcm, 0x0812)
1124                                   | 0x0030);
1125                 for (i = loop1_done - 8; i < 16; i++) {
1126                         bcm43xx_phy_write(bcm, 0x0812,
1127                                           (bcm43xx_phy_read(bcm, 0x0812)
1128                                            & 0xF0FF) | (i << 8));
1129                         bcm43xx_phy_write(bcm, 0x0015,
1130                                           (bcm43xx_phy_read(bcm, 0x0015)
1131                                            & 0x0FFF) | 0xA000);
1132                         bcm43xx_phy_write(bcm, 0x0015,
1133                                           (bcm43xx_phy_read(bcm, 0x0015)
1134                                            & 0x0FFF) | 0xF000);
1135                         udelay(20);
1136                         if (bcm43xx_phy_read(bcm, 0x002D) >= 0x0DFC)
1137                                 break;
1138                 }
1139         }
1140
1141         bcm43xx_phy_write(bcm, 0x0814, backup_phy[4]);
1142         bcm43xx_phy_write(bcm, 0x0815, backup_phy[5]);
1143         bcm43xx_phy_write(bcm, 0x005A, backup_phy[6]);
1144         bcm43xx_phy_write(bcm, 0x0059, backup_phy[7]);
1145         bcm43xx_phy_write(bcm, 0x0058, backup_phy[8]);
1146         bcm43xx_phy_write(bcm, 0x000A, backup_phy[9]);
1147         bcm43xx_phy_write(bcm, 0x0003, backup_phy[10]);
1148         bcm43xx_phy_write(bcm, 0x080F, backup_phy[11]);
1149         bcm43xx_phy_write(bcm, 0x0810, backup_phy[12]);
1150         bcm43xx_phy_write(bcm, 0x002B, backup_phy[13]);
1151         bcm43xx_phy_write(bcm, 0x0015, backup_phy[14]);
1152
1153         bcm43xx_phy_set_baseband_attenuation(bcm, backup_bband);
1154
1155         bcm43xx_radio_write16(bcm, 0x0052, backup_radio[0]);
1156         bcm43xx_radio_write16(bcm, 0x0043, backup_radio[1]);
1157         bcm43xx_radio_write16(bcm, 0x007A, backup_radio[2]);
1158
1159         bcm43xx_phy_write(bcm, 0x0811, backup_phy[2] | 0x0003);
1160         udelay(10);
1161         bcm43xx_phy_write(bcm, 0x0811, backup_phy[2]);
1162         bcm43xx_phy_write(bcm, 0x0812, backup_phy[3]);
1163         bcm43xx_phy_write(bcm, 0x0429, backup_phy[0]);
1164         bcm43xx_phy_write(bcm, 0x0001, backup_phy[1]);
1165
1166         phy->loopback_gain[0] = ((loop1_done * 6) - (loop1_omitted * 4)) - 11;
1167         phy->loopback_gain[1] = (24 - (3 * loop2_done)) * 2;
1168 }
1169
1170 static void bcm43xx_phy_initg(struct bcm43xx_private *bcm)
1171 {
1172         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1173         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1174         u16 tmp;
1175
1176         if (phy->rev == 1)
1177                 bcm43xx_phy_initb5(bcm);
1178         else
1179                 bcm43xx_phy_initb6(bcm);
1180         if (phy->rev >= 2 || phy->connected)
1181                 bcm43xx_phy_inita(bcm);
1182
1183         if (phy->rev >= 2) {
1184                 bcm43xx_phy_write(bcm, 0x0814, 0x0000);
1185                 bcm43xx_phy_write(bcm, 0x0815, 0x0000);
1186         }
1187         if (phy->rev == 2) {
1188                 bcm43xx_phy_write(bcm, 0x0811, 0x0000);
1189                 bcm43xx_phy_write(bcm, 0x0015, 0x00C0);
1190         }
1191         if (phy->rev >= 3) {
1192                 bcm43xx_phy_write(bcm, 0x0811, 0x0400);
1193                 bcm43xx_phy_write(bcm, 0x0015, 0x00C0);
1194         }
1195         if (phy->rev >= 2 && phy->connected) {
1196                 tmp = bcm43xx_phy_read(bcm, 0x0400) & 0xFF;
1197                 if (tmp < 6) {
1198                         bcm43xx_phy_write(bcm, 0x04C2, 0x1816);
1199                         bcm43xx_phy_write(bcm, 0x04C3, 0x8006);
1200                         if (tmp != 3) {
1201                                 bcm43xx_phy_write(bcm, 0x04CC,
1202                                                   (bcm43xx_phy_read(bcm, 0x04CC)
1203                                                    & 0x00FF) | 0x1F00);
1204                         }
1205                 }
1206         }
1207         if (phy->rev < 3 && phy->connected)
1208                 bcm43xx_phy_write(bcm, 0x047E, 0x0078);
1209         if (radio->revision == 8) {
1210                 bcm43xx_phy_write(bcm, 0x0801, bcm43xx_phy_read(bcm, 0x0801) | 0x0080);
1211                 bcm43xx_phy_write(bcm, 0x043E, bcm43xx_phy_read(bcm, 0x043E) | 0x0004);
1212         }
1213         if (phy->rev >= 2 && phy->connected)
1214                 bcm43xx_calc_loopback_gain(bcm);
1215         if (radio->revision != 8) {
1216                 if (radio->initval == 0xFFFF)
1217                         radio->initval = bcm43xx_radio_init2050(bcm);
1218                 else
1219                         bcm43xx_radio_write16(bcm, 0x0078, radio->initval);
1220         }
1221         if (radio->txctl2 == 0xFFFF) {
1222                 bcm43xx_phy_lo_g_measure(bcm);
1223         } else {
1224                 if (radio->version == 0x2050 && radio->revision == 8) {
1225                         bcm43xx_radio_write16(bcm, 0x0052,
1226                                               (radio->txctl1 << 4) | radio->txctl2);
1227                 } else {
1228                         bcm43xx_radio_write16(bcm, 0x0052,
1229                                               (bcm43xx_radio_read16(bcm, 0x0052)
1230                                                & 0xFFF0) | radio->txctl1);
1231                 }
1232                 if (phy->rev >= 6) {
1233                         bcm43xx_phy_write(bcm, 0x0036,
1234                                           (bcm43xx_phy_read(bcm, 0x0036)
1235                                            & 0xF000) | (radio->txctl2 << 12));
1236                 }
1237                 if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL)
1238                         bcm43xx_phy_write(bcm, 0x002E, 0x8075);
1239                 else
1240                         bcm43xx_phy_write(bcm, 0x002E, 0x807F);
1241                 if (phy->rev < 2)
1242                         bcm43xx_phy_write(bcm, 0x002F, 0x0101);
1243                 else
1244                         bcm43xx_phy_write(bcm, 0x002F, 0x0202);
1245         }
1246         if (phy->connected) {
1247                 bcm43xx_phy_lo_adjust(bcm, 0);
1248                 bcm43xx_phy_write(bcm, 0x080F, 0x8078);
1249         }
1250
1251         if (!(bcm->sprom.boardflags & BCM43xx_BFL_RSSI)) {
1252                 /* The specs state to update the NRSSI LT with
1253                  * the value 0x7FFFFFFF here. I think that is some weird
1254                  * compiler optimization in the original driver.
1255                  * Essentially, what we do here is resetting all NRSSI LT
1256                  * entries to -32 (see the limit_value() in nrssi_hw_update())
1257                  */
1258                 bcm43xx_nrssi_hw_update(bcm, 0xFFFF);
1259                 bcm43xx_calc_nrssi_threshold(bcm);
1260         } else if (phy->connected) {
1261                 if (radio->nrssi[0] == -1000) {
1262                         assert(radio->nrssi[1] == -1000);
1263                         bcm43xx_calc_nrssi_slope(bcm);
1264                 } else {
1265                         assert(radio->nrssi[1] != -1000);
1266                         bcm43xx_calc_nrssi_threshold(bcm);
1267                 }
1268         }
1269         if (radio->revision == 8)
1270                 bcm43xx_phy_write(bcm, 0x0805, 0x3230);
1271         bcm43xx_phy_init_pctl(bcm);
1272         if (bcm->chip_id == 0x4306 && bcm->chip_package == 2) {
1273                 bcm43xx_phy_write(bcm, 0x0429,
1274                                   bcm43xx_phy_read(bcm, 0x0429) & 0xBFFF);
1275                 bcm43xx_phy_write(bcm, 0x04C3,
1276                                   bcm43xx_phy_read(bcm, 0x04C3) & 0x7FFF);
1277         }
1278 }
1279
1280 static u16 bcm43xx_phy_lo_b_r15_loop(struct bcm43xx_private *bcm)
1281 {
1282         int i;
1283         u16 ret = 0;
1284         unsigned long flags;
1285
1286         local_irq_save(flags);
1287         for (i = 0; i < 10; i++){
1288                 bcm43xx_phy_write(bcm, 0x0015, 0xAFA0);
1289                 udelay(1);
1290                 bcm43xx_phy_write(bcm, 0x0015, 0xEFA0);
1291                 udelay(10);
1292                 bcm43xx_phy_write(bcm, 0x0015, 0xFFA0);
1293                 udelay(40);
1294                 ret += bcm43xx_phy_read(bcm, 0x002C);
1295         }
1296         local_irq_restore(flags);
1297         bcm43xx_voluntary_preempt();
1298
1299         return ret;
1300 }
1301
1302 void bcm43xx_phy_lo_b_measure(struct bcm43xx_private *bcm)
1303 {
1304         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1305         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1306         u16 regstack[12] = { 0 };
1307         u16 mls;
1308         u16 fval;
1309         int i, j;
1310
1311         regstack[0] = bcm43xx_phy_read(bcm, 0x0015);
1312         regstack[1] = bcm43xx_radio_read16(bcm, 0x0052) & 0xFFF0;
1313
1314         if (radio->version == 0x2053) {
1315                 regstack[2] = bcm43xx_phy_read(bcm, 0x000A);
1316                 regstack[3] = bcm43xx_phy_read(bcm, 0x002A);
1317                 regstack[4] = bcm43xx_phy_read(bcm, 0x0035);
1318                 regstack[5] = bcm43xx_phy_read(bcm, 0x0003);
1319                 regstack[6] = bcm43xx_phy_read(bcm, 0x0001);
1320                 regstack[7] = bcm43xx_phy_read(bcm, 0x0030);
1321
1322                 regstack[8] = bcm43xx_radio_read16(bcm, 0x0043);
1323                 regstack[9] = bcm43xx_radio_read16(bcm, 0x007A);
1324                 regstack[10] = bcm43xx_read16(bcm, 0x03EC);
1325                 regstack[11] = bcm43xx_radio_read16(bcm, 0x0052) & 0x00F0;
1326
1327                 bcm43xx_phy_write(bcm, 0x0030, 0x00FF);
1328                 bcm43xx_write16(bcm, 0x03EC, 0x3F3F);
1329                 bcm43xx_phy_write(bcm, 0x0035, regstack[4] & 0xFF7F);
1330                 bcm43xx_radio_write16(bcm, 0x007A, regstack[9] & 0xFFF0);
1331         }
1332         bcm43xx_phy_write(bcm, 0x0015, 0xB000);
1333         bcm43xx_phy_write(bcm, 0x002B, 0x0004);
1334
1335         if (radio->version == 0x2053) {
1336                 bcm43xx_phy_write(bcm, 0x002B, 0x0203);
1337                 bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
1338         }
1339
1340         phy->minlowsig[0] = 0xFFFF;
1341
1342         for (i = 0; i < 4; i++) {
1343                 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
1344                 bcm43xx_phy_lo_b_r15_loop(bcm);
1345         }
1346         for (i = 0; i < 10; i++) {
1347                 bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | i);
1348                 mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
1349                 if (mls < phy->minlowsig[0]) {
1350                         phy->minlowsig[0] = mls;
1351                         phy->minlowsigpos[0] = i;
1352                 }
1353         }
1354         bcm43xx_radio_write16(bcm, 0x0052, regstack[1] | phy->minlowsigpos[0]);
1355
1356         phy->minlowsig[1] = 0xFFFF;
1357
1358         for (i = -4; i < 5; i += 2) {
1359                 for (j = -4; j < 5; j += 2) {
1360                         if (j < 0)
1361                                 fval = (0x0100 * i) + j + 0x0100;
1362                         else
1363                                 fval = (0x0100 * i) + j;
1364                         bcm43xx_phy_write(bcm, 0x002F, fval);
1365                         mls = bcm43xx_phy_lo_b_r15_loop(bcm) / 10;
1366                         if (mls < phy->minlowsig[1]) {
1367                                 phy->minlowsig[1] = mls;
1368                                 phy->minlowsigpos[1] = fval;
1369                         }
1370                 }
1371         }
1372         phy->minlowsigpos[1] += 0x0101;
1373
1374         bcm43xx_phy_write(bcm, 0x002F, phy->minlowsigpos[1]);
1375         if (radio->version == 0x2053) {
1376                 bcm43xx_phy_write(bcm, 0x000A, regstack[2]);
1377                 bcm43xx_phy_write(bcm, 0x002A, regstack[3]);
1378                 bcm43xx_phy_write(bcm, 0x0035, regstack[4]);
1379                 bcm43xx_phy_write(bcm, 0x0003, regstack[5]);
1380                 bcm43xx_phy_write(bcm, 0x0001, regstack[6]);
1381                 bcm43xx_phy_write(bcm, 0x0030, regstack[7]);
1382
1383                 bcm43xx_radio_write16(bcm, 0x0043, regstack[8]);
1384                 bcm43xx_radio_write16(bcm, 0x007A, regstack[9]);
1385
1386                 bcm43xx_radio_write16(bcm, 0x0052,
1387                                       (bcm43xx_radio_read16(bcm, 0x0052) & 0x000F)
1388                                       | regstack[11]);
1389
1390                 bcm43xx_write16(bcm, 0x03EC, regstack[10]);
1391         }
1392         bcm43xx_phy_write(bcm, 0x0015, regstack[0]);
1393 }
1394
1395 static inline
1396 u16 bcm43xx_phy_lo_g_deviation_subval(struct bcm43xx_private *bcm, u16 control)
1397 {
1398         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1399         u16 ret;
1400         unsigned long flags;
1401
1402         local_irq_save(flags);
1403         if (phy->connected) {
1404                 bcm43xx_phy_write(bcm, 0x15, 0xE300);
1405                 control <<= 8;
1406                 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B0);
1407                 udelay(5);
1408                 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B2);
1409                 udelay(2);
1410                 bcm43xx_phy_write(bcm, 0x0812, control | 0x00B3);
1411                 udelay(4);
1412                 bcm43xx_phy_write(bcm, 0x0015, 0xF300);
1413                 udelay(8);
1414         } else {
1415                 bcm43xx_phy_write(bcm, 0x0015, control | 0xEFA0);
1416                 udelay(2);
1417                 bcm43xx_phy_write(bcm, 0x0015, control | 0xEFE0);
1418                 udelay(4);
1419                 bcm43xx_phy_write(bcm, 0x0015, control | 0xFFE0);
1420                 udelay(8);
1421         }
1422         ret = bcm43xx_phy_read(bcm, 0x002D);
1423         local_irq_restore(flags);
1424         bcm43xx_voluntary_preempt();
1425
1426         return ret;
1427 }
1428
1429 static u32 bcm43xx_phy_lo_g_singledeviation(struct bcm43xx_private *bcm, u16 control)
1430 {
1431         int i;
1432         u32 ret = 0;
1433
1434         for (i = 0; i < 8; i++)
1435                 ret += bcm43xx_phy_lo_g_deviation_subval(bcm, control);
1436
1437         return ret;
1438 }
1439
1440 /* Write the LocalOscillator CONTROL */
1441 static inline
1442 void bcm43xx_lo_write(struct bcm43xx_private *bcm,
1443                       struct bcm43xx_lopair *pair)
1444 {
1445         u16 value;
1446
1447         value = (u8)(pair->low);
1448         value |= ((u8)(pair->high)) << 8;
1449
1450 #ifdef CONFIG_BCM43XX_DEBUG
1451         /* Sanity check. */
1452         if (pair->low < -8 || pair->low > 8 ||
1453             pair->high < -8 || pair->high > 8) {
1454                 printk(KERN_WARNING PFX
1455                        "WARNING: Writing invalid LOpair "
1456                        "(low: %d, high: %d, index: %lu)\n",
1457                        pair->low, pair->high,
1458                        (unsigned long)(pair - bcm43xx_current_phy(bcm)->_lo_pairs));
1459                 dump_stack();
1460         }
1461 #endif
1462
1463         bcm43xx_phy_write(bcm, BCM43xx_PHY_G_LO_CONTROL, value);
1464 }
1465
1466 static inline
1467 struct bcm43xx_lopair * bcm43xx_find_lopair(struct bcm43xx_private *bcm,
1468                                             u16 baseband_attenuation,
1469                                             u16 radio_attenuation,
1470                                             u16 tx)
1471 {
1472         static const u8 dict[10] = { 11, 10, 11, 12, 13, 12, 13, 12, 13, 12 };
1473         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1474
1475         if (baseband_attenuation > 6)
1476                 baseband_attenuation = 6;
1477         assert(radio_attenuation < 10);
1478
1479         if (tx == 3) {
1480                 return bcm43xx_get_lopair(phy,
1481                                           radio_attenuation,
1482                                           baseband_attenuation);
1483         }
1484         return bcm43xx_get_lopair(phy, dict[radio_attenuation], baseband_attenuation);
1485 }
1486
1487 static inline
1488 struct bcm43xx_lopair * bcm43xx_current_lopair(struct bcm43xx_private *bcm)
1489 {
1490         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1491
1492         return bcm43xx_find_lopair(bcm,
1493                                    radio->baseband_atten,
1494                                    radio->radio_atten,
1495                                    radio->txctl1);
1496 }
1497
1498 /* Adjust B/G LO */
1499 void bcm43xx_phy_lo_adjust(struct bcm43xx_private *bcm, int fixed)
1500 {
1501         struct bcm43xx_lopair *pair;
1502
1503         if (fixed) {
1504                 /* Use fixed values. Only for initialization. */
1505                 pair = bcm43xx_find_lopair(bcm, 2, 3, 0);
1506         } else
1507                 pair = bcm43xx_current_lopair(bcm);
1508         bcm43xx_lo_write(bcm, pair);
1509 }
1510
1511 static void bcm43xx_phy_lo_g_measure_txctl2(struct bcm43xx_private *bcm)
1512 {
1513         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1514         u16 txctl2 = 0, i;
1515         u32 smallest, tmp;
1516
1517         bcm43xx_radio_write16(bcm, 0x0052, 0x0000);
1518         udelay(10);
1519         smallest = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
1520         for (i = 0; i < 16; i++) {
1521                 bcm43xx_radio_write16(bcm, 0x0052, i);
1522                 udelay(10);
1523                 tmp = bcm43xx_phy_lo_g_singledeviation(bcm, 0);
1524                 if (tmp < smallest) {
1525                         smallest = tmp;
1526                         txctl2 = i;
1527                 }
1528         }
1529         radio->txctl2 = txctl2;
1530 }
1531
1532 static
1533 void bcm43xx_phy_lo_g_state(struct bcm43xx_private *bcm,
1534                             const struct bcm43xx_lopair *in_pair,
1535                             struct bcm43xx_lopair *out_pair,
1536                             u16 r27)
1537 {
1538         static const struct bcm43xx_lopair transitions[8] = {
1539                 { .high =  1,  .low =  1, },
1540                 { .high =  1,  .low =  0, },
1541                 { .high =  1,  .low = -1, },
1542                 { .high =  0,  .low = -1, },
1543                 { .high = -1,  .low = -1, },
1544                 { .high = -1,  .low =  0, },
1545                 { .high = -1,  .low =  1, },
1546                 { .high =  0,  .low =  1, },
1547         };
1548         struct bcm43xx_lopair lowest_transition = {
1549                 .high = in_pair->high,
1550                 .low = in_pair->low,
1551         };
1552         struct bcm43xx_lopair tmp_pair;
1553         struct bcm43xx_lopair transition;
1554         int i = 12;
1555         int state = 0;
1556         int found_lower;
1557         int j, begin, end;
1558         u32 lowest_deviation;
1559         u32 tmp;
1560
1561         /* Note that in_pair and out_pair can point to the same pair. Be careful. */
1562
1563         bcm43xx_lo_write(bcm, &lowest_transition);
1564         lowest_deviation = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
1565         do {
1566                 found_lower = 0;
1567                 assert(state >= 0 && state <= 8);
1568                 if (state == 0) {
1569                         begin = 1;
1570                         end = 8;
1571                 } else if (state % 2 == 0) {
1572                         begin = state - 1;
1573                         end = state + 1;
1574                 } else {
1575                         begin = state - 2;
1576                         end = state + 2;
1577                 }
1578                 if (begin < 1)
1579                         begin += 8;
1580                 if (end > 8)
1581                         end -= 8;
1582
1583                 j = begin;
1584                 tmp_pair.high = lowest_transition.high;
1585                 tmp_pair.low = lowest_transition.low;
1586                 while (1) {
1587                         assert(j >= 1 && j <= 8);
1588                         transition.high = tmp_pair.high + transitions[j - 1].high;
1589                         transition.low = tmp_pair.low + transitions[j - 1].low;
1590                         if ((abs(transition.low) < 9) && (abs(transition.high) < 9)) {
1591                                 bcm43xx_lo_write(bcm, &transition);
1592                                 tmp = bcm43xx_phy_lo_g_singledeviation(bcm, r27);
1593                                 if (tmp < lowest_deviation) {
1594                                         lowest_deviation = tmp;
1595                                         state = j;
1596                                         found_lower = 1;
1597
1598                                         lowest_transition.high = transition.high;
1599                                         lowest_transition.low = transition.low;
1600                                 }
1601                         }
1602                         if (j == end)
1603                                 break;
1604                         if (j == 8)
1605                                 j = 1;
1606                         else
1607                                 j++;
1608                 }
1609         } while (i-- && found_lower);
1610
1611         out_pair->high = lowest_transition.high;
1612         out_pair->low = lowest_transition.low;
1613 }
1614
1615 /* Set the baseband attenuation value on chip. */
1616 void bcm43xx_phy_set_baseband_attenuation(struct bcm43xx_private *bcm,
1617                                           u16 baseband_attenuation)
1618 {
1619         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1620         u16 value;
1621
1622         if (phy->analog == 0) {
1623                 value = (bcm43xx_read16(bcm, 0x03E6) & 0xFFF0);
1624                 value |= (baseband_attenuation & 0x000F);
1625                 bcm43xx_write16(bcm, 0x03E6, value);
1626                 return;
1627         }
1628
1629         if (phy->analog > 1) {
1630                 value = bcm43xx_phy_read(bcm, 0x0060) & ~0x003C;
1631                 value |= (baseband_attenuation << 2) & 0x003C;
1632         } else {
1633                 value = bcm43xx_phy_read(bcm, 0x0060) & ~0x0078;
1634                 value |= (baseband_attenuation << 3) & 0x0078;
1635         }
1636         bcm43xx_phy_write(bcm, 0x0060, value);
1637 }
1638
1639 /* http://bcm-specs.sipsolutions.net/LocalOscillator/Measure */
1640 void bcm43xx_phy_lo_g_measure(struct bcm43xx_private *bcm)
1641 {
1642         static const u8 pairorder[10] = { 3, 1, 5, 7, 9, 2, 0, 4, 6, 8 };
1643         const int is_initializing = (bcm43xx_status(bcm) == BCM43xx_STAT_INITIALIZING);
1644         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1645         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1646         u16 h, i, oldi = 0, j;
1647         struct bcm43xx_lopair control;
1648         struct bcm43xx_lopair *tmp_control;
1649         u16 tmp;
1650         u16 regstack[16] = { 0 };
1651         u8 oldchannel;
1652
1653         //XXX: What are these?
1654         u8 r27 = 0, r31;
1655
1656         oldchannel = radio->channel;
1657         /* Setup */
1658         if (phy->connected) {
1659                 regstack[0] = bcm43xx_phy_read(bcm, BCM43xx_PHY_G_CRS);
1660                 regstack[1] = bcm43xx_phy_read(bcm, 0x0802);
1661                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
1662                 bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
1663         }
1664         regstack[3] = bcm43xx_read16(bcm, 0x03E2);
1665         bcm43xx_write16(bcm, 0x03E2, regstack[3] | 0x8000);
1666         regstack[4] = bcm43xx_read16(bcm, BCM43xx_MMIO_CHANNEL_EXT);
1667         regstack[5] = bcm43xx_phy_read(bcm, 0x15);
1668         regstack[6] = bcm43xx_phy_read(bcm, 0x2A);
1669         regstack[7] = bcm43xx_phy_read(bcm, 0x35);
1670         regstack[8] = bcm43xx_phy_read(bcm, 0x60);
1671         regstack[9] = bcm43xx_radio_read16(bcm, 0x43);
1672         regstack[10] = bcm43xx_radio_read16(bcm, 0x7A);
1673         regstack[11] = bcm43xx_radio_read16(bcm, 0x52);
1674         if (phy->connected) {
1675                 regstack[12] = bcm43xx_phy_read(bcm, 0x0811);
1676                 regstack[13] = bcm43xx_phy_read(bcm, 0x0812);
1677                 regstack[14] = bcm43xx_phy_read(bcm, 0x0814);
1678                 regstack[15] = bcm43xx_phy_read(bcm, 0x0815);
1679         }
1680         bcm43xx_radio_selectchannel(bcm, 6, 0);
1681         if (phy->connected) {
1682                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0] & 0x7FFF);
1683                 bcm43xx_phy_write(bcm, 0x0802, regstack[1] & 0xFFFC);
1684                 bcm43xx_dummy_transmission(bcm);
1685         }
1686         bcm43xx_radio_write16(bcm, 0x0043, 0x0006);
1687
1688         bcm43xx_phy_set_baseband_attenuation(bcm, 2);
1689
1690         bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, 0x0000);
1691         bcm43xx_phy_write(bcm, 0x002E, 0x007F);
1692         bcm43xx_phy_write(bcm, 0x080F, 0x0078);
1693         bcm43xx_phy_write(bcm, 0x0035, regstack[7] & ~(1 << 7));
1694         bcm43xx_radio_write16(bcm, 0x007A, regstack[10] & 0xFFF0);
1695         bcm43xx_phy_write(bcm, 0x002B, 0x0203);
1696         bcm43xx_phy_write(bcm, 0x002A, 0x08A3);
1697         if (phy->connected) {
1698                 bcm43xx_phy_write(bcm, 0x0814, regstack[14] | 0x0003);
1699                 bcm43xx_phy_write(bcm, 0x0815, regstack[15] & 0xFFFC);
1700                 bcm43xx_phy_write(bcm, 0x0811, 0x01B3);
1701                 bcm43xx_phy_write(bcm, 0x0812, 0x00B2);
1702         }
1703         if (is_initializing)
1704                 bcm43xx_phy_lo_g_measure_txctl2(bcm);
1705         bcm43xx_phy_write(bcm, 0x080F, 0x8078);
1706
1707         /* Measure */
1708         control.low = 0;
1709         control.high = 0;
1710         for (h = 0; h < 10; h++) {
1711                 /* Loop over each possible RadioAttenuation (0-9) */
1712                 i = pairorder[h];
1713                 if (is_initializing) {
1714                         if (i == 3) {
1715                                 control.low = 0;
1716                                 control.high = 0;
1717                         } else if (((i % 2 == 1) && (oldi % 2 == 1)) ||
1718                                   ((i % 2 == 0) && (oldi % 2 == 0))) {
1719                                 tmp_control = bcm43xx_get_lopair(phy, oldi, 0);
1720                                 memcpy(&control, tmp_control, sizeof(control));
1721                         } else {
1722                                 tmp_control = bcm43xx_get_lopair(phy, 3, 0);
1723                                 memcpy(&control, tmp_control, sizeof(control));
1724                         }
1725                 }
1726                 /* Loop over each possible BasebandAttenuation/2 */
1727                 for (j = 0; j < 4; j++) {
1728                         if (is_initializing) {
1729                                 tmp = i * 2 + j;
1730                                 r27 = 0;
1731                                 r31 = 0;
1732                                 if (tmp > 14) {
1733                                         r31 = 1;
1734                                         if (tmp > 17)
1735                                                 r27 = 1;
1736                                         if (tmp > 19)
1737                                                 r27 = 2;
1738                                 }
1739                         } else {
1740                                 tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1741                                 if (!tmp_control->used)
1742                                         continue;
1743                                 memcpy(&control, tmp_control, sizeof(control));
1744                                 r27 = 3;
1745                                 r31 = 0;
1746                         }
1747                         bcm43xx_radio_write16(bcm, 0x43, i);
1748                         bcm43xx_radio_write16(bcm, 0x52, radio->txctl2);
1749                         udelay(10);
1750                         bcm43xx_voluntary_preempt();
1751
1752                         bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
1753
1754                         tmp = (regstack[10] & 0xFFF0);
1755                         if (r31)
1756                                 tmp |= 0x0008;
1757                         bcm43xx_radio_write16(bcm, 0x007A, tmp);
1758
1759                         tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1760                         bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
1761                 }
1762                 oldi = i;
1763         }
1764         /* Loop over each possible RadioAttenuation (10-13) */
1765         for (i = 10; i < 14; i++) {
1766                 /* Loop over each possible BasebandAttenuation/2 */
1767                 for (j = 0; j < 4; j++) {
1768                         if (is_initializing) {
1769                                 tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
1770                                 memcpy(&control, tmp_control, sizeof(control));
1771                                 tmp = (i - 9) * 2 + j - 5;//FIXME: This is wrong, as the following if statement can never trigger.
1772                                 r27 = 0;
1773                                 r31 = 0;
1774                                 if (tmp > 14) {
1775                                         r31 = 1;
1776                                         if (tmp > 17)
1777                                                 r27 = 1;
1778                                         if (tmp > 19)
1779                                                 r27 = 2;
1780                                 }
1781                         } else {
1782                                 tmp_control = bcm43xx_get_lopair(phy, i - 9, j * 2);
1783                                 if (!tmp_control->used)
1784                                         continue;
1785                                 memcpy(&control, tmp_control, sizeof(control));
1786                                 r27 = 3;
1787                                 r31 = 0;
1788                         }
1789                         bcm43xx_radio_write16(bcm, 0x43, i - 9);
1790                         bcm43xx_radio_write16(bcm, 0x52,
1791                                               radio->txctl2
1792                                               | (3/*txctl1*/ << 4));//FIXME: shouldn't txctl1 be zero here and 3 in the loop above?
1793                         udelay(10);
1794                         bcm43xx_voluntary_preempt();
1795
1796                         bcm43xx_phy_set_baseband_attenuation(bcm, j * 2);
1797
1798                         tmp = (regstack[10] & 0xFFF0);
1799                         if (r31)
1800                                 tmp |= 0x0008;
1801                         bcm43xx_radio_write16(bcm, 0x7A, tmp);
1802
1803                         tmp_control = bcm43xx_get_lopair(phy, i, j * 2);
1804                         bcm43xx_phy_lo_g_state(bcm, &control, tmp_control, r27);
1805                 }
1806         }
1807
1808         /* Restoration */
1809         if (phy->connected) {
1810                 bcm43xx_phy_write(bcm, 0x0015, 0xE300);
1811                 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA0);
1812                 udelay(5);
1813                 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA2);
1814                 udelay(2);
1815                 bcm43xx_phy_write(bcm, 0x0812, (r27 << 8) | 0xA3);
1816                 bcm43xx_voluntary_preempt();
1817         } else
1818                 bcm43xx_phy_write(bcm, 0x0015, r27 | 0xEFA0);
1819         bcm43xx_phy_lo_adjust(bcm, is_initializing);
1820         bcm43xx_phy_write(bcm, 0x002E, 0x807F);
1821         if (phy->connected)
1822                 bcm43xx_phy_write(bcm, 0x002F, 0x0202);
1823         else
1824                 bcm43xx_phy_write(bcm, 0x002F, 0x0101);
1825         bcm43xx_write16(bcm, BCM43xx_MMIO_CHANNEL_EXT, regstack[4]);
1826         bcm43xx_phy_write(bcm, 0x0015, regstack[5]);
1827         bcm43xx_phy_write(bcm, 0x002A, regstack[6]);
1828         bcm43xx_phy_write(bcm, 0x0035, regstack[7]);
1829         bcm43xx_phy_write(bcm, 0x0060, regstack[8]);
1830         bcm43xx_radio_write16(bcm, 0x0043, regstack[9]);
1831         bcm43xx_radio_write16(bcm, 0x007A, regstack[10]);
1832         regstack[11] &= 0x00F0;
1833         regstack[11] |= (bcm43xx_radio_read16(bcm, 0x52) & 0x000F);
1834         bcm43xx_radio_write16(bcm, 0x52, regstack[11]);
1835         bcm43xx_write16(bcm, 0x03E2, regstack[3]);
1836         if (phy->connected) {
1837                 bcm43xx_phy_write(bcm, 0x0811, regstack[12]);
1838                 bcm43xx_phy_write(bcm, 0x0812, regstack[13]);
1839                 bcm43xx_phy_write(bcm, 0x0814, regstack[14]);
1840                 bcm43xx_phy_write(bcm, 0x0815, regstack[15]);
1841                 bcm43xx_phy_write(bcm, BCM43xx_PHY_G_CRS, regstack[0]);
1842                 bcm43xx_phy_write(bcm, 0x0802, regstack[1]);
1843         }
1844         bcm43xx_radio_selectchannel(bcm, oldchannel, 1);
1845
1846 #ifdef CONFIG_BCM43XX_DEBUG
1847         {
1848                 /* Sanity check for all lopairs. */
1849                 for (i = 0; i < BCM43xx_LO_COUNT; i++) {
1850                         tmp_control = phy->_lo_pairs + i;
1851                         if (tmp_control->low < -8 || tmp_control->low > 8 ||
1852                             tmp_control->high < -8 || tmp_control->high > 8) {
1853                                 printk(KERN_WARNING PFX
1854                                        "WARNING: Invalid LOpair (low: %d, high: %d, index: %d)\n",
1855                                        tmp_control->low, tmp_control->high, i);
1856                         }
1857                 }
1858         }
1859 #endif /* CONFIG_BCM43XX_DEBUG */
1860 }
1861
1862 static
1863 void bcm43xx_phy_lo_mark_current_used(struct bcm43xx_private *bcm)
1864 {
1865         struct bcm43xx_lopair *pair;
1866
1867         pair = bcm43xx_current_lopair(bcm);
1868         pair->used = 1;
1869 }
1870
1871 void bcm43xx_phy_lo_mark_all_unused(struct bcm43xx_private *bcm)
1872 {
1873         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1874         struct bcm43xx_lopair *pair;
1875         int i;
1876
1877         for (i = 0; i < BCM43xx_LO_COUNT; i++) {
1878                 pair = phy->_lo_pairs + i;
1879                 pair->used = 0;
1880         }
1881 }
1882
1883 /* http://bcm-specs.sipsolutions.net/EstimatePowerOut
1884  * This function converts a TSSI value to dBm in Q5.2
1885  */
1886 static s8 bcm43xx_phy_estimate_power_out(struct bcm43xx_private *bcm, s8 tssi)
1887 {
1888         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1889         s8 dbm = 0;
1890         s32 tmp;
1891
1892         tmp = phy->idle_tssi;
1893         tmp += tssi;
1894         tmp -= phy->savedpctlreg;
1895
1896         switch (phy->type) {
1897                 case BCM43xx_PHYTYPE_A:
1898                         tmp += 0x80;
1899                         tmp = limit_value(tmp, 0x00, 0xFF);
1900                         dbm = phy->tssi2dbm[tmp];
1901                         TODO(); //TODO: There's a FIXME on the specs
1902                         break;
1903                 case BCM43xx_PHYTYPE_B:
1904                 case BCM43xx_PHYTYPE_G:
1905                         tmp = limit_value(tmp, 0x00, 0x3F);
1906                         dbm = phy->tssi2dbm[tmp];
1907                         break;
1908                 default:
1909                         assert(0);
1910         }
1911
1912         return dbm;
1913 }
1914
1915 /* http://bcm-specs.sipsolutions.net/RecalculateTransmissionPower */
1916 void bcm43xx_phy_xmitpower(struct bcm43xx_private *bcm)
1917 {
1918         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
1919         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
1920
1921         if (phy->savedpctlreg == 0xFFFF)
1922                 return;
1923         if ((bcm->board_type == 0x0416) &&
1924             (bcm->board_vendor == PCI_VENDOR_ID_BROADCOM))
1925                 return;
1926
1927         switch (phy->type) {
1928         case BCM43xx_PHYTYPE_A: {
1929
1930                 TODO(); //TODO: Nothing for A PHYs yet :-/
1931
1932                 break;
1933         }
1934         case BCM43xx_PHYTYPE_B:
1935         case BCM43xx_PHYTYPE_G: {
1936                 u16 tmp;
1937                 u16 txpower;
1938                 s8 v0, v1, v2, v3;
1939                 s8 average;
1940                 u8 max_pwr;
1941                 s16 desired_pwr, estimated_pwr, pwr_adjust;
1942                 s16 radio_att_delta, baseband_att_delta;
1943                 s16 radio_attenuation, baseband_attenuation;
1944                 unsigned long phylock_flags;
1945
1946                 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0058);
1947                 v0 = (s8)(tmp & 0x00FF);
1948                 v1 = (s8)((tmp & 0xFF00) >> 8);
1949                 tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005A);
1950                 v2 = (s8)(tmp & 0x00FF);
1951                 v3 = (s8)((tmp & 0xFF00) >> 8);
1952                 tmp = 0;
1953
1954                 if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F) {
1955                         tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0070);
1956                         v0 = (s8)(tmp & 0x00FF);
1957                         v1 = (s8)((tmp & 0xFF00) >> 8);
1958                         tmp = bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x0072);
1959                         v2 = (s8)(tmp & 0x00FF);
1960                         v3 = (s8)((tmp & 0xFF00) >> 8);
1961                         if (v0 == 0x7F || v1 == 0x7F || v2 == 0x7F || v3 == 0x7F)
1962                                 return;
1963                         v0 = (v0 + 0x20) & 0x3F;
1964                         v1 = (v1 + 0x20) & 0x3F;
1965                         v2 = (v2 + 0x20) & 0x3F;
1966                         v3 = (v3 + 0x20) & 0x3F;
1967                         tmp = 1;
1968                 }
1969                 bcm43xx_radio_clear_tssi(bcm);
1970
1971                 average = (v0 + v1 + v2 + v3 + 2) / 4;
1972
1973                 if (tmp && (bcm43xx_shm_read16(bcm, BCM43xx_SHM_SHARED, 0x005E) & 0x8))
1974                         average -= 13;
1975
1976                 estimated_pwr = bcm43xx_phy_estimate_power_out(bcm, average);
1977
1978                 max_pwr = bcm->sprom.maxpower_bgphy;
1979
1980                 if ((bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) &&
1981                     (phy->type == BCM43xx_PHYTYPE_G))
1982                         max_pwr -= 0x3;
1983
1984                 /*TODO:
1985                 max_pwr = min(REG - bcm->sprom.antennagain_bgphy - 0x6, max_pwr)
1986                         where REG is the max power as per the regulatory domain
1987                 */
1988
1989                 desired_pwr = limit_value(radio->txpower_desired, 0, max_pwr);
1990                 /* Check if we need to adjust the current power. */
1991                 pwr_adjust = desired_pwr - estimated_pwr;
1992                 radio_att_delta = -(pwr_adjust + 7) >> 3;
1993                 baseband_att_delta = -(pwr_adjust >> 1) - (4 * radio_att_delta);
1994                 if ((radio_att_delta == 0) && (baseband_att_delta == 0)) {
1995                         bcm43xx_phy_lo_mark_current_used(bcm);
1996                         return;
1997                 }
1998
1999                 /* Calculate the new attenuation values. */
2000                 baseband_attenuation = radio->baseband_atten;
2001                 baseband_attenuation += baseband_att_delta;
2002                 radio_attenuation = radio->radio_atten;
2003                 radio_attenuation += radio_att_delta;
2004
2005                 /* Get baseband and radio attenuation values into their permitted ranges.
2006                  * baseband 0-11, radio 0-9.
2007                  * Radio attenuation affects power level 4 times as much as baseband.
2008                  */
2009                 if (radio_attenuation < 0) {
2010                         baseband_attenuation -= (4 * -radio_attenuation);
2011                         radio_attenuation = 0;
2012                 } else if (radio_attenuation > 9) {
2013                         baseband_attenuation += (4 * (radio_attenuation - 9));
2014                         radio_attenuation = 9;
2015                 } else {
2016                         while (baseband_attenuation < 0 && radio_attenuation > 0) {
2017                                 baseband_attenuation += 4;
2018                                 radio_attenuation--;
2019                         }
2020                         while (baseband_attenuation > 11 && radio_attenuation < 9) {
2021                                 baseband_attenuation -= 4;
2022                                 radio_attenuation++;
2023                         }
2024                 }
2025                 baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
2026
2027                 txpower = radio->txctl1;
2028                 if ((radio->version == 0x2050) && (radio->revision == 2)) {
2029                         if (radio_attenuation <= 1) {
2030                                 if (txpower == 0) {
2031                                         txpower = 3;
2032                                         radio_attenuation += 2;
2033                                         baseband_attenuation += 2;
2034                                 } else if (bcm->sprom.boardflags & BCM43xx_BFL_PACTRL) {
2035                                         baseband_attenuation += 4 * (radio_attenuation - 2);
2036                                         radio_attenuation = 2;
2037                                 }
2038                         } else if (radio_attenuation > 4 && txpower != 0) {
2039                                 txpower = 0;
2040                                 if (baseband_attenuation < 3) {
2041                                         radio_attenuation -= 3;
2042                                         baseband_attenuation += 2;
2043                                 } else {
2044                                         radio_attenuation -= 2;
2045                                         baseband_attenuation -= 2;
2046                                 }
2047                         }
2048                 }
2049                 radio->txctl1 = txpower;
2050                 baseband_attenuation = limit_value(baseband_attenuation, 0, 11);
2051                 radio_attenuation = limit_value(radio_attenuation, 0, 9);
2052
2053                 bcm43xx_phy_lock(bcm, phylock_flags);
2054                 bcm43xx_radio_lock(bcm);
2055                 bcm43xx_radio_set_txpower_bg(bcm, baseband_attenuation,
2056                                              radio_attenuation, txpower);
2057                 bcm43xx_phy_lo_mark_current_used(bcm);
2058                 bcm43xx_radio_unlock(bcm);
2059                 bcm43xx_phy_unlock(bcm, phylock_flags);
2060                 break;
2061         }
2062         default:
2063                 assert(0);
2064         }
2065 }
2066
2067 static inline
2068 s32 bcm43xx_tssi2dbm_ad(s32 num, s32 den)
2069 {
2070         if (num < 0)
2071                 return num/den;
2072         else
2073                 return (num+den/2)/den;
2074 }
2075
2076 static inline
2077 s8 bcm43xx_tssi2dbm_entry(s8 entry [], u8 index, s16 pab0, s16 pab1, s16 pab2)
2078 {
2079         s32 m1, m2, f = 256, q, delta;
2080         s8 i = 0;
2081
2082         m1 = bcm43xx_tssi2dbm_ad(16 * pab0 + index * pab1, 32);
2083         m2 = max(bcm43xx_tssi2dbm_ad(32768 + index * pab2, 256), 1);
2084         do {
2085                 if (i > 15)
2086                         return -EINVAL;
2087                 q = bcm43xx_tssi2dbm_ad(f * 4096 -
2088                                         bcm43xx_tssi2dbm_ad(m2 * f, 16) * f, 2048);
2089                 delta = abs(q - f);
2090                 f = q;
2091                 i++;
2092         } while (delta >= 2);
2093         entry[index] = limit_value(bcm43xx_tssi2dbm_ad(m1 * f, 8192), -127, 128);
2094         return 0;
2095 }
2096
2097 /* http://bcm-specs.sipsolutions.net/TSSI_to_DBM_Table */
2098 int bcm43xx_phy_init_tssi2dbm_table(struct bcm43xx_private *bcm)
2099 {
2100         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2101         struct bcm43xx_radioinfo *radio = bcm43xx_current_radio(bcm);
2102         s16 pab0, pab1, pab2;
2103         u8 idx;
2104         s8 *dyn_tssi2dbm;
2105
2106         if (phy->type == BCM43xx_PHYTYPE_A) {
2107                 pab0 = (s16)(bcm->sprom.pa1b0);
2108                 pab1 = (s16)(bcm->sprom.pa1b1);
2109                 pab2 = (s16)(bcm->sprom.pa1b2);
2110         } else {
2111                 pab0 = (s16)(bcm->sprom.pa0b0);
2112                 pab1 = (s16)(bcm->sprom.pa0b1);
2113                 pab2 = (s16)(bcm->sprom.pa0b2);
2114         }
2115
2116         if ((bcm->chip_id == 0x4301) && (radio->version != 0x2050)) {
2117                 phy->idle_tssi = 0x34;
2118                 phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
2119                 return 0;
2120         }
2121
2122         if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
2123             pab0 != -1 && pab1 != -1 && pab2 != -1) {
2124                 /* The pabX values are set in SPROM. Use them. */
2125                 if (phy->type == BCM43xx_PHYTYPE_A) {
2126                         if ((s8)bcm->sprom.idle_tssi_tgt_aphy != 0 &&
2127                             (s8)bcm->sprom.idle_tssi_tgt_aphy != -1)
2128                                 phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_aphy);
2129                         else
2130                                 phy->idle_tssi = 62;
2131                 } else {
2132                         if ((s8)bcm->sprom.idle_tssi_tgt_bgphy != 0 &&
2133                             (s8)bcm->sprom.idle_tssi_tgt_bgphy != -1)
2134                                 phy->idle_tssi = (s8)(bcm->sprom.idle_tssi_tgt_bgphy);
2135                         else
2136                                 phy->idle_tssi = 62;
2137                 }
2138                 dyn_tssi2dbm = kmalloc(64, GFP_KERNEL);
2139                 if (dyn_tssi2dbm == NULL) {
2140                         printk(KERN_ERR PFX "Could not allocate memory"
2141                                             "for tssi2dbm table\n");
2142                         return -ENOMEM;
2143                 }
2144                 for (idx = 0; idx < 64; idx++)
2145                         if (bcm43xx_tssi2dbm_entry(dyn_tssi2dbm, idx, pab0, pab1, pab2)) {
2146                                 phy->tssi2dbm = NULL;
2147                                 printk(KERN_ERR PFX "Could not generate "
2148                                                     "tssi2dBm table\n");
2149                                 kfree(dyn_tssi2dbm);
2150                                 return -ENODEV;
2151                         }
2152                 phy->tssi2dbm = dyn_tssi2dbm;
2153                 phy->dyn_tssi_tbl = 1;
2154         } else {
2155                 /* pabX values not set in SPROM. */
2156                 switch (phy->type) {
2157                 case BCM43xx_PHYTYPE_A:
2158                         /* APHY needs a generated table. */
2159                         phy->tssi2dbm = NULL;
2160                         printk(KERN_ERR PFX "Could not generate tssi2dBm "
2161                                             "table (wrong SPROM info)!\n");
2162                         return -ENODEV;
2163                 case BCM43xx_PHYTYPE_B:
2164                         phy->idle_tssi = 0x34;
2165                         phy->tssi2dbm = bcm43xx_tssi2dbm_b_table;
2166                         break;
2167                 case BCM43xx_PHYTYPE_G:
2168                         phy->idle_tssi = 0x34;
2169                         phy->tssi2dbm = bcm43xx_tssi2dbm_g_table;
2170                         break;
2171                 }
2172         }
2173
2174         return 0;
2175 }
2176
2177 int bcm43xx_phy_init(struct bcm43xx_private *bcm)
2178 {
2179         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2180         int err = -ENODEV;
2181
2182         switch (phy->type) {
2183         case BCM43xx_PHYTYPE_A:
2184                 if (phy->rev == 2 || phy->rev == 3) {
2185                         bcm43xx_phy_inita(bcm);
2186                         err = 0;
2187                 }
2188                 break;
2189         case BCM43xx_PHYTYPE_B:
2190                 switch (phy->rev) {
2191                 case 2:
2192                         bcm43xx_phy_initb2(bcm);
2193                         err = 0;
2194                         break;
2195                 case 4:
2196                         bcm43xx_phy_initb4(bcm);
2197                         err = 0;
2198                         break;
2199                 case 5:
2200                         bcm43xx_phy_initb5(bcm);
2201                         err = 0;
2202                         break;
2203                 case 6:
2204                         bcm43xx_phy_initb6(bcm);
2205                         err = 0;
2206                         break;
2207                 }
2208                 break;
2209         case BCM43xx_PHYTYPE_G:
2210                 bcm43xx_phy_initg(bcm);
2211                 err = 0;
2212                 break;
2213         }
2214         if (err)
2215                 printk(KERN_WARNING PFX "Unknown PHYTYPE found!\n");
2216
2217         return err;
2218 }
2219
2220 void bcm43xx_phy_set_antenna_diversity(struct bcm43xx_private *bcm)
2221 {
2222         struct bcm43xx_phyinfo *phy = bcm43xx_current_phy(bcm);
2223         u16 antennadiv;
2224         u16 offset;
2225         u16 value;
2226         u32 ucodeflags;
2227
2228         antennadiv = phy->antenna_diversity;
2229
2230         if (antennadiv == 0xFFFF)
2231                 antennadiv = 3;
2232         assert(antennadiv <= 3);
2233
2234         ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2235                                         BCM43xx_UCODEFLAGS_OFFSET);
2236         bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2237                             BCM43xx_UCODEFLAGS_OFFSET,
2238                             ucodeflags & ~BCM43xx_UCODEFLAG_AUTODIV);
2239
2240         switch (phy->type) {
2241         case BCM43xx_PHYTYPE_A:
2242         case BCM43xx_PHYTYPE_G:
2243                 if (phy->type == BCM43xx_PHYTYPE_A)
2244                         offset = 0x0000;
2245                 else
2246                         offset = 0x0400;
2247
2248                 if (antennadiv == 2)
2249                         value = (3/*automatic*/ << 7);
2250                 else
2251                         value = (antennadiv << 7);
2252                 bcm43xx_phy_write(bcm, offset + 1,
2253                                   (bcm43xx_phy_read(bcm, offset + 1)
2254                                    & 0x7E7F) | value);
2255
2256                 if (antennadiv >= 2) {
2257                         if (antennadiv == 2)
2258                                 value = (antennadiv << 7);
2259                         else
2260                                 value = (0/*force0*/ << 7);
2261                         bcm43xx_phy_write(bcm, offset + 0x2B,
2262                                           (bcm43xx_phy_read(bcm, offset + 0x2B)
2263                                            & 0xFEFF) | value);
2264                 }
2265
2266                 if (phy->type == BCM43xx_PHYTYPE_G) {
2267                         if (antennadiv >= 2)
2268                                 bcm43xx_phy_write(bcm, 0x048C,
2269                                                   bcm43xx_phy_read(bcm, 0x048C)
2270                                                    | 0x2000);
2271                         else
2272                                 bcm43xx_phy_write(bcm, 0x048C,
2273                                                   bcm43xx_phy_read(bcm, 0x048C)
2274                                                    & ~0x2000);
2275                         if (phy->rev >= 2) {
2276                                 bcm43xx_phy_write(bcm, 0x0461,
2277                                                   bcm43xx_phy_read(bcm, 0x0461)
2278                                                    | 0x0010);
2279                                 bcm43xx_phy_write(bcm, 0x04AD,
2280                                                   (bcm43xx_phy_read(bcm, 0x04AD)
2281                                                    & 0x00FF) | 0x0015);
2282                                 if (phy->rev == 2)
2283                                         bcm43xx_phy_write(bcm, 0x0427, 0x0008);
2284                                 else
2285                                         bcm43xx_phy_write(bcm, 0x0427,
2286                                                 (bcm43xx_phy_read(bcm, 0x0427)
2287                                                  & 0x00FF) | 0x0008);
2288                         }
2289                         else if (phy->rev >= 6)
2290                                 bcm43xx_phy_write(bcm, 0x049B, 0x00DC);
2291                 } else {
2292                         if (phy->rev < 3)
2293                                 bcm43xx_phy_write(bcm, 0x002B,
2294                                                   (bcm43xx_phy_read(bcm, 0x002B)
2295                                                    & 0x00FF) | 0x0024);
2296                         else {
2297                                 bcm43xx_phy_write(bcm, 0x0061,
2298                                                   bcm43xx_phy_read(bcm, 0x0061)
2299                                                    | 0x0010);
2300                                 if (phy->rev == 3) {
2301                                         bcm43xx_phy_write(bcm, 0x0093, 0x001D);
2302                                         bcm43xx_phy_write(bcm, 0x0027, 0x0008);
2303                                 } else {
2304                                         bcm43xx_phy_write(bcm, 0x0093, 0x003A);
2305                                         bcm43xx_phy_write(bcm, 0x0027,
2306                                                 (bcm43xx_phy_read(bcm, 0x0027)
2307                                                  & 0x00FF) | 0x0008);
2308                                 }
2309                         }
2310                 }
2311                 break;
2312         case BCM43xx_PHYTYPE_B:
2313                 if (bcm->current_core->rev == 2)
2314                         value = (3/*automatic*/ << 7);
2315                 else
2316                         value = (antennadiv << 7);
2317                 bcm43xx_phy_write(bcm, 0x03E2,
2318                                   (bcm43xx_phy_read(bcm, 0x03E2)
2319                                    & 0xFE7F) | value);
2320                 break;
2321         default:
2322                 assert(0);
2323         }
2324
2325         if (antennadiv >= 2) {
2326                 ucodeflags = bcm43xx_shm_read32(bcm, BCM43xx_SHM_SHARED,
2327                                                 BCM43xx_UCODEFLAGS_OFFSET);
2328                 bcm43xx_shm_write32(bcm, BCM43xx_SHM_SHARED,
2329                                     BCM43xx_UCODEFLAGS_OFFSET,
2330                                     ucodeflags | BCM43xx_UCODEFLAG_AUTODIV);
2331         }
2332
2333         phy->antenna_diversity = antennadiv;
2334 }