linux/drivers/net/wireless/broadcom/b43/phy_ht.c
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   1// SPDX-License-Identifier: GPL-2.0-or-later
   2/*
   3
   4  Broadcom B43 wireless driver
   5  IEEE 802.11n HT-PHY support
   6
   7  Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
   8
   9
  10*/
  11
  12#include <linux/slab.h>
  13
  14#include "b43.h"
  15#include "phy_ht.h"
  16#include "tables_phy_ht.h"
  17#include "radio_2059.h"
  18#include "main.h"
  19
  20/* Force values to keep compatibility with wl */
  21enum ht_rssi_type {
  22        HT_RSSI_W1 = 0,
  23        HT_RSSI_W2 = 1,
  24        HT_RSSI_NB = 2,
  25        HT_RSSI_IQ = 3,
  26        HT_RSSI_TSSI_2G = 4,
  27        HT_RSSI_TSSI_5G = 5,
  28        HT_RSSI_TBD = 6,
  29};
  30
  31/**************************************************
  32 * Radio 2059.
  33 **************************************************/
  34
  35static void b43_radio_2059_channel_setup(struct b43_wldev *dev,
  36                        const struct b43_phy_ht_channeltab_e_radio2059 *e)
  37{
  38        static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, };
  39        u16 r;
  40        int core;
  41
  42        b43_radio_write(dev, 0x16, e->radio_syn16);
  43        b43_radio_write(dev, 0x17, e->radio_syn17);
  44        b43_radio_write(dev, 0x22, e->radio_syn22);
  45        b43_radio_write(dev, 0x25, e->radio_syn25);
  46        b43_radio_write(dev, 0x27, e->radio_syn27);
  47        b43_radio_write(dev, 0x28, e->radio_syn28);
  48        b43_radio_write(dev, 0x29, e->radio_syn29);
  49        b43_radio_write(dev, 0x2c, e->radio_syn2c);
  50        b43_radio_write(dev, 0x2d, e->radio_syn2d);
  51        b43_radio_write(dev, 0x37, e->radio_syn37);
  52        b43_radio_write(dev, 0x41, e->radio_syn41);
  53        b43_radio_write(dev, 0x43, e->radio_syn43);
  54        b43_radio_write(dev, 0x47, e->radio_syn47);
  55
  56        for (core = 0; core < 3; core++) {
  57                r = routing[core];
  58                b43_radio_write(dev, r | 0x4a, e->radio_rxtx4a);
  59                b43_radio_write(dev, r | 0x58, e->radio_rxtx58);
  60                b43_radio_write(dev, r | 0x5a, e->radio_rxtx5a);
  61                b43_radio_write(dev, r | 0x6a, e->radio_rxtx6a);
  62                b43_radio_write(dev, r | 0x6d, e->radio_rxtx6d);
  63                b43_radio_write(dev, r | 0x6e, e->radio_rxtx6e);
  64                b43_radio_write(dev, r | 0x92, e->radio_rxtx92);
  65                b43_radio_write(dev, r | 0x98, e->radio_rxtx98);
  66        }
  67
  68        udelay(50);
  69
  70        /* Calibration */
  71        b43_radio_mask(dev, R2059_RFPLL_MISC_EN, ~0x1);
  72        b43_radio_mask(dev, R2059_RFPLL_MISC_CAL_RESETN, ~0x4);
  73        b43_radio_set(dev, R2059_RFPLL_MISC_CAL_RESETN, 0x4);
  74        b43_radio_set(dev, R2059_RFPLL_MISC_EN, 0x1);
  75
  76        udelay(300);
  77}
  78
  79/* Calibrate resistors in LPF of PLL? */
  80static void b43_radio_2059_rcal(struct b43_wldev *dev)
  81{
  82        /* Enable */
  83        b43_radio_set(dev, R2059_C3 | R2059_RCAL_CONFIG, 0x1);
  84        usleep_range(10, 20);
  85
  86        b43_radio_set(dev, R2059_C3 | 0x0BF, 0x1);
  87        b43_radio_maskset(dev, R2059_C3 | 0x19B, 0x3, 0x2);
  88
  89        /* Start */
  90        b43_radio_set(dev, R2059_C3 | R2059_RCAL_CONFIG, 0x2);
  91        usleep_range(100, 200);
  92
  93        /* Stop */
  94        b43_radio_mask(dev, R2059_C3 | R2059_RCAL_CONFIG, ~0x2);
  95
  96        if (!b43_radio_wait_value(dev, R2059_C3 | R2059_RCAL_STATUS, 1, 1, 100,
  97                                  1000000))
  98                b43err(dev->wl, "Radio 0x2059 rcal timeout\n");
  99
 100        /* Disable */
 101        b43_radio_mask(dev, R2059_C3 | R2059_RCAL_CONFIG, ~0x1);
 102
 103        b43_radio_set(dev, 0xa, 0x60);
 104}
 105
 106/* Calibrate the internal RC oscillator? */
 107static void b43_radio_2057_rccal(struct b43_wldev *dev)
 108{
 109        static const u16 radio_values[3][2] = {
 110                { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 },
 111        };
 112        int i;
 113
 114        for (i = 0; i < 3; i++) {
 115                b43_radio_write(dev, R2059_RCCAL_MASTER, radio_values[i][0]);
 116                b43_radio_write(dev, R2059_RCCAL_X1, 0x6E);
 117                b43_radio_write(dev, R2059_RCCAL_TRC0, radio_values[i][1]);
 118
 119                /* Start */
 120                b43_radio_write(dev, R2059_RCCAL_START_R1_Q1_P1, 0x55);
 121
 122                /* Wait */
 123                if (!b43_radio_wait_value(dev, R2059_RCCAL_DONE_OSCCAP, 2, 2,
 124                                          500, 5000000))
 125                        b43err(dev->wl, "Radio 0x2059 rccal timeout\n");
 126
 127                /* Stop */
 128                b43_radio_write(dev, R2059_RCCAL_START_R1_Q1_P1, 0x15);
 129        }
 130
 131        b43_radio_mask(dev, R2059_RCCAL_MASTER, ~0x1);
 132}
 133
 134static void b43_radio_2059_init_pre(struct b43_wldev *dev)
 135{
 136        b43_phy_mask(dev, B43_PHY_HT_RF_CTL_CMD, ~B43_PHY_HT_RF_CTL_CMD_CHIP0_PU);
 137        b43_phy_set(dev, B43_PHY_HT_RF_CTL_CMD, B43_PHY_HT_RF_CTL_CMD_FORCE);
 138        b43_phy_mask(dev, B43_PHY_HT_RF_CTL_CMD, ~B43_PHY_HT_RF_CTL_CMD_FORCE);
 139        b43_phy_set(dev, B43_PHY_HT_RF_CTL_CMD, B43_PHY_HT_RF_CTL_CMD_CHIP0_PU);
 140}
 141
 142static void b43_radio_2059_init(struct b43_wldev *dev)
 143{
 144        static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3 };
 145        int i;
 146
 147        /* Prepare (reset?) radio */
 148        b43_radio_2059_init_pre(dev);
 149
 150        r2059_upload_inittabs(dev);
 151
 152        for (i = 0; i < ARRAY_SIZE(routing); i++)
 153                b43_radio_set(dev, routing[i] | 0x146, 0x3);
 154
 155        /* Post init starts below */
 156
 157        b43_radio_set(dev, R2059_RFPLL_MISC_CAL_RESETN, 0x0078);
 158        b43_radio_set(dev, R2059_XTAL_CONFIG2, 0x0080);
 159        msleep(2);
 160        b43_radio_mask(dev, R2059_RFPLL_MISC_CAL_RESETN, ~0x0078);
 161        b43_radio_mask(dev, R2059_XTAL_CONFIG2, ~0x0080);
 162
 163        if (1) { /* FIXME */
 164                b43_radio_2059_rcal(dev);
 165                b43_radio_2057_rccal(dev);
 166        }
 167
 168        b43_radio_mask(dev, R2059_RFPLL_MASTER, ~0x0008);
 169}
 170
 171/**************************************************
 172 * RF
 173 **************************************************/
 174
 175static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq)
 176{
 177        u8 i;
 178
 179        u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE);
 180        b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3);
 181
 182        b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq);
 183        for (i = 0; i < 200; i++) {
 184                if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) {
 185                        i = 0;
 186                        break;
 187                }
 188                msleep(1);
 189        }
 190        if (i)
 191                b43err(dev->wl, "Forcing RF sequence timeout\n");
 192
 193        b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode);
 194}
 195
 196static void b43_phy_ht_pa_override(struct b43_wldev *dev, bool enable)
 197{
 198        struct b43_phy_ht *htphy = dev->phy.ht;
 199        static const u16 regs[3] = { B43_PHY_HT_RF_CTL_INT_C1,
 200                                     B43_PHY_HT_RF_CTL_INT_C2,
 201                                     B43_PHY_HT_RF_CTL_INT_C3 };
 202        int i;
 203
 204        if (enable) {
 205                for (i = 0; i < 3; i++)
 206                        b43_phy_write(dev, regs[i], htphy->rf_ctl_int_save[i]);
 207        } else {
 208                for (i = 0; i < 3; i++)
 209                        htphy->rf_ctl_int_save[i] = b43_phy_read(dev, regs[i]);
 210                /* TODO: Does 5GHz band use different value (not 0x0400)? */
 211                for (i = 0; i < 3; i++)
 212                        b43_phy_write(dev, regs[i], 0x0400);
 213        }
 214}
 215
 216/**************************************************
 217 * Various PHY ops
 218 **************************************************/
 219
 220static u16 b43_phy_ht_classifier(struct b43_wldev *dev, u16 mask, u16 val)
 221{
 222        u16 tmp;
 223        u16 allowed = B43_PHY_HT_CLASS_CTL_CCK_EN |
 224                      B43_PHY_HT_CLASS_CTL_OFDM_EN |
 225                      B43_PHY_HT_CLASS_CTL_WAITED_EN;
 226
 227        tmp = b43_phy_read(dev, B43_PHY_HT_CLASS_CTL);
 228        tmp &= allowed;
 229        tmp &= ~mask;
 230        tmp |= (val & mask);
 231        b43_phy_maskset(dev, B43_PHY_HT_CLASS_CTL, ~allowed, tmp);
 232
 233        return tmp;
 234}
 235
 236static void b43_phy_ht_reset_cca(struct b43_wldev *dev)
 237{
 238        u16 bbcfg;
 239
 240        b43_phy_force_clock(dev, true);
 241        bbcfg = b43_phy_read(dev, B43_PHY_HT_BBCFG);
 242        b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg | B43_PHY_HT_BBCFG_RSTCCA);
 243        udelay(1);
 244        b43_phy_write(dev, B43_PHY_HT_BBCFG, bbcfg & ~B43_PHY_HT_BBCFG_RSTCCA);
 245        b43_phy_force_clock(dev, false);
 246
 247        b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
 248}
 249
 250static void b43_phy_ht_zero_extg(struct b43_wldev *dev)
 251{
 252        u8 i, j;
 253        static const u16 base[] = { 0x40, 0x60, 0x80 };
 254
 255        for (i = 0; i < ARRAY_SIZE(base); i++) {
 256                for (j = 0; j < 4; j++)
 257                        b43_phy_write(dev, B43_PHY_EXTG(base[i] + j), 0);
 258        }
 259
 260        for (i = 0; i < ARRAY_SIZE(base); i++)
 261                b43_phy_write(dev, B43_PHY_EXTG(base[i] + 0xc), 0);
 262}
 263
 264/* Some unknown AFE (Analog Frondned) op */
 265static void b43_phy_ht_afe_unk1(struct b43_wldev *dev)
 266{
 267        u8 i;
 268
 269        static const u16 ctl_regs[3][2] = {
 270                { B43_PHY_HT_AFE_C1_OVER, B43_PHY_HT_AFE_C1 },
 271                { B43_PHY_HT_AFE_C2_OVER, B43_PHY_HT_AFE_C2 },
 272                { B43_PHY_HT_AFE_C3_OVER, B43_PHY_HT_AFE_C3},
 273        };
 274
 275        for (i = 0; i < 3; i++) {
 276                /* TODO: verify masks&sets */
 277                b43_phy_set(dev, ctl_regs[i][1], 0x4);
 278                b43_phy_set(dev, ctl_regs[i][0], 0x4);
 279                b43_phy_mask(dev, ctl_regs[i][1], ~0x1);
 280                b43_phy_set(dev, ctl_regs[i][0], 0x1);
 281                b43_httab_write(dev, B43_HTTAB16(8, 5 + (i * 0x10)), 0);
 282                b43_phy_mask(dev, ctl_regs[i][0], ~0x4);
 283        }
 284}
 285
 286static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
 287{
 288        clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES);
 289        clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES);
 290        clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES);
 291}
 292
 293static void b43_phy_ht_bphy_init(struct b43_wldev *dev)
 294{
 295        unsigned int i;
 296        u16 val;
 297
 298        val = 0x1E1F;
 299        for (i = 0; i < 16; i++) {
 300                b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
 301                val -= 0x202;
 302        }
 303        val = 0x3E3F;
 304        for (i = 0; i < 16; i++) {
 305                b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
 306                val -= 0x202;
 307        }
 308        b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
 309}
 310
 311static void b43_phy_ht_bphy_reset(struct b43_wldev *dev, bool reset)
 312{
 313        u16 tmp;
 314
 315        tmp = b43_read16(dev, B43_MMIO_PSM_PHY_HDR);
 316        b43_write16(dev, B43_MMIO_PSM_PHY_HDR,
 317                    tmp | B43_PSM_HDR_MAC_PHY_FORCE_CLK);
 318
 319        /* Put BPHY in or take it out of the reset */
 320        if (reset)
 321                b43_phy_set(dev, B43_PHY_B_BBCFG,
 322                            B43_PHY_B_BBCFG_RSTCCA | B43_PHY_B_BBCFG_RSTRX);
 323        else
 324                b43_phy_mask(dev, B43_PHY_B_BBCFG,
 325                             (u16)~(B43_PHY_B_BBCFG_RSTCCA |
 326                                    B43_PHY_B_BBCFG_RSTRX));
 327
 328        b43_write16(dev, B43_MMIO_PSM_PHY_HDR, tmp);
 329}
 330
 331/**************************************************
 332 * Samples
 333 **************************************************/
 334
 335static void b43_phy_ht_stop_playback(struct b43_wldev *dev)
 336{
 337        struct b43_phy_ht *phy_ht = dev->phy.ht;
 338        u16 tmp;
 339        int i;
 340
 341        tmp = b43_phy_read(dev, B43_PHY_HT_SAMP_STAT);
 342        if (tmp & 0x1)
 343                b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, B43_PHY_HT_SAMP_CMD_STOP);
 344        else if (tmp & 0x2)
 345                b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, 0x7FFF);
 346
 347        b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0x0004);
 348
 349        for (i = 0; i < 3; i++) {
 350                if (phy_ht->bb_mult_save[i] >= 0) {
 351                        b43_httab_write(dev, B43_HTTAB16(13, 0x63 + i * 4),
 352                                        phy_ht->bb_mult_save[i]);
 353                        b43_httab_write(dev, B43_HTTAB16(13, 0x67 + i * 4),
 354                                        phy_ht->bb_mult_save[i]);
 355                }
 356        }
 357}
 358
 359static u16 b43_phy_ht_load_samples(struct b43_wldev *dev)
 360{
 361        int i;
 362        u16 len = 20 << 3;
 363
 364        b43_phy_write(dev, B43_PHY_HT_TABLE_ADDR, 0x4400);
 365
 366        for (i = 0; i < len; i++) {
 367                b43_phy_write(dev, B43_PHY_HT_TABLE_DATAHI, 0);
 368                b43_phy_write(dev, B43_PHY_HT_TABLE_DATALO, 0);
 369        }
 370
 371        return len;
 372}
 373
 374static void b43_phy_ht_run_samples(struct b43_wldev *dev, u16 samps, u16 loops,
 375                                   u16 wait)
 376{
 377        struct b43_phy_ht *phy_ht = dev->phy.ht;
 378        u16 save_seq_mode;
 379        int i;
 380
 381        for (i = 0; i < 3; i++) {
 382                if (phy_ht->bb_mult_save[i] < 0)
 383                        phy_ht->bb_mult_save[i] = b43_httab_read(dev, B43_HTTAB16(13, 0x63 + i * 4));
 384        }
 385
 386        b43_phy_write(dev, B43_PHY_HT_SAMP_DEP_CNT, samps - 1);
 387        if (loops != 0xFFFF)
 388                loops--;
 389        b43_phy_write(dev, B43_PHY_HT_SAMP_LOOP_CNT, loops);
 390        b43_phy_write(dev, B43_PHY_HT_SAMP_WAIT_CNT, wait);
 391
 392        save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE);
 393        b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE,
 394                    B43_PHY_HT_RF_SEQ_MODE_CA_OVER);
 395
 396        /* TODO: find out mask bits! Do we need more function arguments? */
 397        b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0);
 398        b43_phy_mask(dev, B43_PHY_HT_SAMP_CMD, ~0);
 399        b43_phy_mask(dev, B43_PHY_HT_IQLOCAL_CMDGCTL, ~0);
 400        b43_phy_set(dev, B43_PHY_HT_SAMP_CMD, 0x1);
 401
 402        for (i = 0; i < 100; i++) {
 403                if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & 1)) {
 404                        i = 0;
 405                        break;
 406                }
 407                udelay(10);
 408        }
 409        if (i)
 410                b43err(dev->wl, "run samples timeout\n");
 411
 412        b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode);
 413}
 414
 415static void b43_phy_ht_tx_tone(struct b43_wldev *dev)
 416{
 417        u16 samp;
 418
 419        samp = b43_phy_ht_load_samples(dev);
 420        b43_phy_ht_run_samples(dev, samp, 0xFFFF, 0);
 421}
 422
 423/**************************************************
 424 * RSSI
 425 **************************************************/
 426
 427static void b43_phy_ht_rssi_select(struct b43_wldev *dev, u8 core_sel,
 428                                   enum ht_rssi_type rssi_type)
 429{
 430        static const u16 ctl_regs[3][2] = {
 431                { B43_PHY_HT_AFE_C1, B43_PHY_HT_AFE_C1_OVER, },
 432                { B43_PHY_HT_AFE_C2, B43_PHY_HT_AFE_C2_OVER, },
 433                { B43_PHY_HT_AFE_C3, B43_PHY_HT_AFE_C3_OVER, },
 434        };
 435        static const u16 radio_r[] = { R2059_C1, R2059_C2, R2059_C3, };
 436        int core;
 437
 438        if (core_sel == 0) {
 439                b43err(dev->wl, "RSSI selection for core off not implemented yet\n");
 440        } else {
 441                for (core = 0; core < 3; core++) {
 442                        /* Check if caller requested a one specific core */
 443                        if ((core_sel == 1 && core != 0) ||
 444                            (core_sel == 2 && core != 1) ||
 445                            (core_sel == 3 && core != 2))
 446                                continue;
 447
 448                        switch (rssi_type) {
 449                        case HT_RSSI_TSSI_2G:
 450                                b43_phy_set(dev, ctl_regs[core][0], 0x3 << 8);
 451                                b43_phy_set(dev, ctl_regs[core][0], 0x3 << 10);
 452                                b43_phy_set(dev, ctl_regs[core][1], 0x1 << 9);
 453                                b43_phy_set(dev, ctl_regs[core][1], 0x1 << 10);
 454
 455                                b43_radio_set(dev, R2059_C3 | 0xbf, 0x1);
 456                                b43_radio_write(dev, radio_r[core] | 0x159,
 457                                                0x11);
 458                                break;
 459                        default:
 460                                b43err(dev->wl, "RSSI selection for type %d not implemented yet\n",
 461                                       rssi_type);
 462                        }
 463                }
 464        }
 465}
 466
 467static void b43_phy_ht_poll_rssi(struct b43_wldev *dev, enum ht_rssi_type type,
 468                                 s32 *buf, u8 nsamp)
 469{
 470        u16 phy_regs_values[12];
 471        static const u16 phy_regs_to_save[] = {
 472                B43_PHY_HT_AFE_C1, B43_PHY_HT_AFE_C1_OVER,
 473                0x848, 0x841,
 474                B43_PHY_HT_AFE_C2, B43_PHY_HT_AFE_C2_OVER,
 475                0x868, 0x861,
 476                B43_PHY_HT_AFE_C3, B43_PHY_HT_AFE_C3_OVER,
 477                0x888, 0x881,
 478        };
 479        u16 tmp[3];
 480        int i;
 481
 482        for (i = 0; i < 12; i++)
 483                phy_regs_values[i] = b43_phy_read(dev, phy_regs_to_save[i]);
 484
 485        b43_phy_ht_rssi_select(dev, 5, type);
 486
 487        for (i = 0; i < 6; i++)
 488                buf[i] = 0;
 489
 490        for (i = 0; i < nsamp; i++) {
 491                tmp[0] = b43_phy_read(dev, B43_PHY_HT_RSSI_C1);
 492                tmp[1] = b43_phy_read(dev, B43_PHY_HT_RSSI_C2);
 493                tmp[2] = b43_phy_read(dev, B43_PHY_HT_RSSI_C3);
 494
 495                buf[0] += ((s8)((tmp[0] & 0x3F) << 2)) >> 2;
 496                buf[1] += ((s8)(((tmp[0] >> 8) & 0x3F) << 2)) >> 2;
 497                buf[2] += ((s8)((tmp[1] & 0x3F) << 2)) >> 2;
 498                buf[3] += ((s8)(((tmp[1] >> 8) & 0x3F) << 2)) >> 2;
 499                buf[4] += ((s8)((tmp[2] & 0x3F) << 2)) >> 2;
 500                buf[5] += ((s8)(((tmp[2] >> 8) & 0x3F) << 2)) >> 2;
 501        }
 502
 503        for (i = 0; i < 12; i++)
 504                b43_phy_write(dev, phy_regs_to_save[i], phy_regs_values[i]);
 505}
 506
 507/**************************************************
 508 * Tx/Rx
 509 **************************************************/
 510
 511static void b43_phy_ht_tx_power_fix(struct b43_wldev *dev)
 512{
 513        int i;
 514
 515        for (i = 0; i < 3; i++) {
 516                u16 mask;
 517                u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8));
 518
 519                if (0) /* FIXME */
 520                        mask = 0x2 << (i * 4);
 521                else
 522                        mask = 0;
 523                b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask);
 524
 525                b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16);
 526                b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)),
 527                                tmp & 0xFF);
 528                b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)),
 529                                tmp & 0xFF);
 530        }
 531}
 532
 533static void b43_phy_ht_tx_power_ctl(struct b43_wldev *dev, bool enable)
 534{
 535        struct b43_phy_ht *phy_ht = dev->phy.ht;
 536        u16 en_bits = B43_PHY_HT_TXPCTL_CMD_C1_COEFF |
 537                      B43_PHY_HT_TXPCTL_CMD_C1_HWPCTLEN |
 538                      B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN;
 539        static const u16 cmd_regs[3] = { B43_PHY_HT_TXPCTL_CMD_C1,
 540                                         B43_PHY_HT_TXPCTL_CMD_C2,
 541                                         B43_PHY_HT_TXPCTL_CMD_C3 };
 542        static const u16 status_regs[3] = { B43_PHY_HT_TX_PCTL_STATUS_C1,
 543                                            B43_PHY_HT_TX_PCTL_STATUS_C2,
 544                                            B43_PHY_HT_TX_PCTL_STATUS_C3 };
 545        int i;
 546
 547        if (!enable) {
 548                if (b43_phy_read(dev, B43_PHY_HT_TXPCTL_CMD_C1) & en_bits) {
 549                        /* We disable enabled TX pwr ctl, save it's state */
 550                        for (i = 0; i < 3; i++)
 551                                phy_ht->tx_pwr_idx[i] =
 552                                        b43_phy_read(dev, status_regs[i]);
 553                }
 554                b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1, ~en_bits);
 555        } else {
 556                b43_phy_set(dev, B43_PHY_HT_TXPCTL_CMD_C1, en_bits);
 557
 558                if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ) {
 559                        for (i = 0; i < 3; i++)
 560                                b43_phy_write(dev, cmd_regs[i], 0x32);
 561                }
 562
 563                for (i = 0; i < 3; i++)
 564                        if (phy_ht->tx_pwr_idx[i] <=
 565                            B43_PHY_HT_TXPCTL_CMD_C1_INIT)
 566                                b43_phy_write(dev, cmd_regs[i],
 567                                              phy_ht->tx_pwr_idx[i]);
 568        }
 569
 570        phy_ht->tx_pwr_ctl = enable;
 571}
 572
 573static void b43_phy_ht_tx_power_ctl_idle_tssi(struct b43_wldev *dev)
 574{
 575        struct b43_phy_ht *phy_ht = dev->phy.ht;
 576        static const u16 base[] = { 0x840, 0x860, 0x880 };
 577        u16 save_regs[3][3];
 578        s32 rssi_buf[6];
 579        int core;
 580
 581        for (core = 0; core < 3; core++) {
 582                save_regs[core][1] = b43_phy_read(dev, base[core] + 6);
 583                save_regs[core][2] = b43_phy_read(dev, base[core] + 7);
 584                save_regs[core][0] = b43_phy_read(dev, base[core] + 0);
 585
 586                b43_phy_write(dev, base[core] + 6, 0);
 587                b43_phy_mask(dev, base[core] + 7, ~0xF); /* 0xF? Or just 0x6? */
 588                b43_phy_set(dev, base[core] + 0, 0x0400);
 589                b43_phy_set(dev, base[core] + 0, 0x1000);
 590        }
 591
 592        b43_phy_ht_tx_tone(dev);
 593        udelay(20);
 594        b43_phy_ht_poll_rssi(dev, HT_RSSI_TSSI_2G, rssi_buf, 1);
 595        b43_phy_ht_stop_playback(dev);
 596        b43_phy_ht_reset_cca(dev);
 597
 598        phy_ht->idle_tssi[0] = rssi_buf[0] & 0xff;
 599        phy_ht->idle_tssi[1] = rssi_buf[2] & 0xff;
 600        phy_ht->idle_tssi[2] = rssi_buf[4] & 0xff;
 601
 602        for (core = 0; core < 3; core++) {
 603                b43_phy_write(dev, base[core] + 0, save_regs[core][0]);
 604                b43_phy_write(dev, base[core] + 6, save_regs[core][1]);
 605                b43_phy_write(dev, base[core] + 7, save_regs[core][2]);
 606        }
 607}
 608
 609static void b43_phy_ht_tssi_setup(struct b43_wldev *dev)
 610{
 611        static const u16 routing[] = { R2059_C1, R2059_C2, R2059_C3, };
 612        int core;
 613
 614        /* 0x159 is probably TX_SSI_MUX or TSSIG (by comparing to N-PHY) */
 615        for (core = 0; core < 3; core++) {
 616                b43_radio_set(dev, 0x8bf, 0x1);
 617                b43_radio_write(dev, routing[core] | 0x0159, 0x0011);
 618        }
 619}
 620
 621static void b43_phy_ht_tx_power_ctl_setup(struct b43_wldev *dev)
 622{
 623        struct b43_phy_ht *phy_ht = dev->phy.ht;
 624        struct ssb_sprom *sprom = dev->dev->bus_sprom;
 625
 626        u8 *idle = phy_ht->idle_tssi;
 627        u8 target[3];
 628        s16 a1[3], b0[3], b1[3];
 629
 630        u16 freq = dev->phy.chandef->chan->center_freq;
 631        int i, c;
 632
 633        if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
 634                for (c = 0; c < 3; c++) {
 635                        target[c] = sprom->core_pwr_info[c].maxpwr_2g;
 636                        a1[c] = sprom->core_pwr_info[c].pa_2g[0];
 637                        b0[c] = sprom->core_pwr_info[c].pa_2g[1];
 638                        b1[c] = sprom->core_pwr_info[c].pa_2g[2];
 639                }
 640        } else if (freq >= 4900 && freq < 5100) {
 641                for (c = 0; c < 3; c++) {
 642                        target[c] = sprom->core_pwr_info[c].maxpwr_5gl;
 643                        a1[c] = sprom->core_pwr_info[c].pa_5gl[0];
 644                        b0[c] = sprom->core_pwr_info[c].pa_5gl[1];
 645                        b1[c] = sprom->core_pwr_info[c].pa_5gl[2];
 646                }
 647        } else if (freq >= 5100 && freq < 5500) {
 648                for (c = 0; c < 3; c++) {
 649                        target[c] = sprom->core_pwr_info[c].maxpwr_5g;
 650                        a1[c] = sprom->core_pwr_info[c].pa_5g[0];
 651                        b0[c] = sprom->core_pwr_info[c].pa_5g[1];
 652                        b1[c] = sprom->core_pwr_info[c].pa_5g[2];
 653                }
 654        } else if (freq >= 5500) {
 655                for (c = 0; c < 3; c++) {
 656                        target[c] = sprom->core_pwr_info[c].maxpwr_5gh;
 657                        a1[c] = sprom->core_pwr_info[c].pa_5gh[0];
 658                        b0[c] = sprom->core_pwr_info[c].pa_5gh[1];
 659                        b1[c] = sprom->core_pwr_info[c].pa_5gh[2];
 660                }
 661        } else {
 662                target[0] = target[1] = target[2] = 52;
 663                a1[0] = a1[1] = a1[2] = -424;
 664                b0[0] = b0[1] = b0[2] = 5612;
 665                b1[0] = b1[1] = b1[2] = -1393;
 666        }
 667
 668        b43_phy_set(dev, B43_PHY_HT_TSSIMODE, B43_PHY_HT_TSSIMODE_EN);
 669        b43_phy_mask(dev, B43_PHY_HT_TXPCTL_CMD_C1,
 670                     ~B43_PHY_HT_TXPCTL_CMD_C1_PCTLEN & 0xFFFF);
 671
 672        /* TODO: Does it depend on sprom->fem.ghz2.tssipos? */
 673        b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI, 0x4000);
 674
 675        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1,
 676                        ~B43_PHY_HT_TXPCTL_CMD_C1_INIT, 0x19);
 677        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C2,
 678                        ~B43_PHY_HT_TXPCTL_CMD_C2_INIT, 0x19);
 679        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C3,
 680                        ~B43_PHY_HT_TXPCTL_CMD_C3_INIT, 0x19);
 681
 682        b43_phy_set(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI,
 683                    B43_PHY_HT_TXPCTL_IDLE_TSSI_BINF);
 684
 685        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI,
 686                        ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C1,
 687                        idle[0] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C1_SHIFT);
 688        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI,
 689                        ~B43_PHY_HT_TXPCTL_IDLE_TSSI_C2,
 690                        idle[1] << B43_PHY_HT_TXPCTL_IDLE_TSSI_C2_SHIFT);
 691        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_IDLE_TSSI2,
 692                        ~B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3,
 693                        idle[2] << B43_PHY_HT_TXPCTL_IDLE_TSSI2_C3_SHIFT);
 694
 695        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_TSSID,
 696                        0xf0);
 697        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_N, ~B43_PHY_HT_TXPCTL_N_NPTIL2,
 698                        0x3 << B43_PHY_HT_TXPCTL_N_NPTIL2_SHIFT);
 699#if 0
 700        /* TODO: what to mask/set? */
 701        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x800, 0)
 702        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_CMD_C1, 0x400, 0)
 703#endif
 704
 705        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR,
 706                        ~B43_PHY_HT_TXPCTL_TARG_PWR_C1,
 707                        target[0] << B43_PHY_HT_TXPCTL_TARG_PWR_C1_SHIFT);
 708        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR,
 709                        ~B43_PHY_HT_TXPCTL_TARG_PWR_C2 & 0xFFFF,
 710                        target[1] << B43_PHY_HT_TXPCTL_TARG_PWR_C2_SHIFT);
 711        b43_phy_maskset(dev, B43_PHY_HT_TXPCTL_TARG_PWR2,
 712                        ~B43_PHY_HT_TXPCTL_TARG_PWR2_C3,
 713                        target[2] << B43_PHY_HT_TXPCTL_TARG_PWR2_C3_SHIFT);
 714
 715        for (c = 0; c < 3; c++) {
 716                s32 num, den, pwr;
 717                u32 regval[64];
 718
 719                for (i = 0; i < 64; i++) {
 720                        num = 8 * (16 * b0[c] + b1[c] * i);
 721                        den = 32768 + a1[c] * i;
 722                        pwr = max((4 * num + den / 2) / den, -8);
 723                        regval[i] = pwr;
 724                }
 725                b43_httab_write_bulk(dev, B43_HTTAB16(26 + c, 0), 64, regval);
 726        }
 727}
 728
 729/**************************************************
 730 * Channel switching ops.
 731 **************************************************/
 732
 733static void b43_phy_ht_spur_avoid(struct b43_wldev *dev,
 734                                  struct ieee80211_channel *new_channel)
 735{
 736        struct bcma_device *core = dev->dev->bdev;
 737        int spuravoid = 0;
 738
 739        /* Check for 13 and 14 is just a guess, we don't have enough logs. */
 740        if (new_channel->hw_value == 13 || new_channel->hw_value == 14)
 741                spuravoid = 1;
 742        bcma_core_pll_ctl(core, B43_BCMA_CLKCTLST_PHY_PLL_REQ, 0, false);
 743        bcma_pmu_spuravoid_pllupdate(&core->bus->drv_cc, spuravoid);
 744        bcma_core_pll_ctl(core,
 745                          B43_BCMA_CLKCTLST_80211_PLL_REQ |
 746                          B43_BCMA_CLKCTLST_PHY_PLL_REQ,
 747                          B43_BCMA_CLKCTLST_80211_PLL_ST |
 748                          B43_BCMA_CLKCTLST_PHY_PLL_ST, false);
 749
 750        b43_mac_switch_freq(dev, spuravoid);
 751
 752        b43_wireless_core_phy_pll_reset(dev);
 753
 754        if (spuravoid)
 755                b43_phy_set(dev, B43_PHY_HT_BBCFG, B43_PHY_HT_BBCFG_RSTRX);
 756        else
 757                b43_phy_mask(dev, B43_PHY_HT_BBCFG,
 758                                ~B43_PHY_HT_BBCFG_RSTRX & 0xFFFF);
 759
 760        b43_phy_ht_reset_cca(dev);
 761}
 762
 763static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
 764                                const struct b43_phy_ht_channeltab_e_phy *e,
 765                                struct ieee80211_channel *new_channel)
 766{
 767        if (new_channel->band == NL80211_BAND_5GHZ) {
 768                /* Switch to 2 GHz for a moment to access B-PHY regs */
 769                b43_phy_mask(dev, B43_PHY_HT_BANDCTL, ~B43_PHY_HT_BANDCTL_5GHZ);
 770
 771                b43_phy_ht_bphy_reset(dev, true);
 772
 773                /* Switch to 5 GHz */
 774                b43_phy_set(dev, B43_PHY_HT_BANDCTL, B43_PHY_HT_BANDCTL_5GHZ);
 775        } else {
 776                /* Switch to 2 GHz */
 777                b43_phy_mask(dev, B43_PHY_HT_BANDCTL, ~B43_PHY_HT_BANDCTL_5GHZ);
 778
 779                b43_phy_ht_bphy_reset(dev, false);
 780        }
 781
 782        b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1);
 783        b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2);
 784        b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3);
 785        b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
 786        b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
 787        b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);
 788
 789        if (new_channel->hw_value == 14) {
 790                b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN, 0);
 791                b43_phy_set(dev, B43_PHY_HT_TEST, 0x0800);
 792        } else {
 793                b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_OFDM_EN,
 794                                      B43_PHY_HT_CLASS_CTL_OFDM_EN);
 795                if (new_channel->band == NL80211_BAND_2GHZ)
 796                        b43_phy_mask(dev, B43_PHY_HT_TEST, ~0x840);
 797        }
 798
 799        if (1) /* TODO: On N it's for early devices only, what about HT? */
 800                b43_phy_ht_tx_power_fix(dev);
 801
 802        b43_phy_ht_spur_avoid(dev, new_channel);
 803
 804        b43_phy_write(dev, 0x017e, 0x3830);
 805}
 806
 807static int b43_phy_ht_set_channel(struct b43_wldev *dev,
 808                                  struct ieee80211_channel *channel,
 809                                  enum nl80211_channel_type channel_type)
 810{
 811        struct b43_phy *phy = &dev->phy;
 812
 813        const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL;
 814
 815        if (phy->radio_ver == 0x2059) {
 816                chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev,
 817                                                        channel->center_freq);
 818                if (!chent_r2059)
 819                        return -ESRCH;
 820        } else {
 821                return -ESRCH;
 822        }
 823
 824        /* TODO: In case of N-PHY some bandwidth switching goes here */
 825
 826        if (phy->radio_ver == 0x2059) {
 827                b43_radio_2059_channel_setup(dev, chent_r2059);
 828                b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs),
 829                                         channel);
 830        } else {
 831                return -ESRCH;
 832        }
 833
 834        return 0;
 835}
 836
 837/**************************************************
 838 * Basic PHY ops.
 839 **************************************************/
 840
 841static int b43_phy_ht_op_allocate(struct b43_wldev *dev)
 842{
 843        struct b43_phy_ht *phy_ht;
 844
 845        phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL);
 846        if (!phy_ht)
 847                return -ENOMEM;
 848        dev->phy.ht = phy_ht;
 849
 850        return 0;
 851}
 852
 853static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev)
 854{
 855        struct b43_phy *phy = &dev->phy;
 856        struct b43_phy_ht *phy_ht = phy->ht;
 857        int i;
 858
 859        memset(phy_ht, 0, sizeof(*phy_ht));
 860
 861        phy_ht->tx_pwr_ctl = true;
 862        for (i = 0; i < 3; i++)
 863                phy_ht->tx_pwr_idx[i] = B43_PHY_HT_TXPCTL_CMD_C1_INIT + 1;
 864
 865        for (i = 0; i < 3; i++)
 866                phy_ht->bb_mult_save[i] = -1;
 867}
 868
 869static int b43_phy_ht_op_init(struct b43_wldev *dev)
 870{
 871        struct b43_phy_ht *phy_ht = dev->phy.ht;
 872        u16 tmp;
 873        u16 clip_state[3];
 874        bool saved_tx_pwr_ctl;
 875
 876        if (dev->dev->bus_type != B43_BUS_BCMA) {
 877                b43err(dev->wl, "HT-PHY is supported only on BCMA bus!\n");
 878                return -EOPNOTSUPP;
 879        }
 880
 881        b43_phy_ht_tables_init(dev);
 882
 883        b43_phy_mask(dev, 0x0be, ~0x2);
 884        b43_phy_set(dev, 0x23f, 0x7ff);
 885        b43_phy_set(dev, 0x240, 0x7ff);
 886        b43_phy_set(dev, 0x241, 0x7ff);
 887
 888        b43_phy_ht_zero_extg(dev);
 889
 890        b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3);
 891
 892        b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0);
 893        b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0);
 894        b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0);
 895
 896        b43_phy_write(dev, B43_PHY_EXTG(0x103), 0x20);
 897        b43_phy_write(dev, B43_PHY_EXTG(0x101), 0x20);
 898        b43_phy_write(dev, 0x20d, 0xb8);
 899        b43_phy_write(dev, B43_PHY_EXTG(0x14f), 0xc8);
 900        b43_phy_write(dev, 0x70, 0x50);
 901        b43_phy_write(dev, 0x1ff, 0x30);
 902
 903        if (0) /* TODO: condition */
 904                ; /* TODO: PHY op on reg 0x217 */
 905
 906        if (b43_current_band(dev->wl) == NL80211_BAND_5GHZ)
 907                b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN, 0);
 908        else
 909                b43_phy_ht_classifier(dev, B43_PHY_HT_CLASS_CTL_CCK_EN,
 910                                      B43_PHY_HT_CLASS_CTL_CCK_EN);
 911
 912        b43_phy_set(dev, 0xb1, 0x91);
 913        b43_phy_write(dev, 0x32f, 0x0003);
 914        b43_phy_write(dev, 0x077, 0x0010);
 915        b43_phy_write(dev, 0x0b4, 0x0258);
 916        b43_phy_mask(dev, 0x17e, ~0x4000);
 917
 918        b43_phy_write(dev, 0x0b9, 0x0072);
 919
 920        b43_httab_write_few(dev, B43_HTTAB16(7, 0x14e), 2, 0x010f, 0x010f);
 921        b43_httab_write_few(dev, B43_HTTAB16(7, 0x15e), 2, 0x010f, 0x010f);
 922        b43_httab_write_few(dev, B43_HTTAB16(7, 0x16e), 2, 0x010f, 0x010f);
 923
 924        b43_phy_ht_afe_unk1(dev);
 925
 926        b43_httab_write_few(dev, B43_HTTAB16(7, 0x130), 9, 0x777, 0x111, 0x111,
 927                            0x777, 0x111, 0x111, 0x777, 0x111, 0x111);
 928
 929        b43_httab_write(dev, B43_HTTAB16(7, 0x120), 0x0777);
 930        b43_httab_write(dev, B43_HTTAB16(7, 0x124), 0x0777);
 931
 932        b43_httab_write(dev, B43_HTTAB16(8, 0x00), 0x02);
 933        b43_httab_write(dev, B43_HTTAB16(8, 0x10), 0x02);
 934        b43_httab_write(dev, B43_HTTAB16(8, 0x20), 0x02);
 935
 936        b43_httab_write_few(dev, B43_HTTAB16(8, 0x08), 4,
 937                            0x8e, 0x96, 0x96, 0x96);
 938        b43_httab_write_few(dev, B43_HTTAB16(8, 0x18), 4,
 939                            0x8f, 0x9f, 0x9f, 0x9f);
 940        b43_httab_write_few(dev, B43_HTTAB16(8, 0x28), 4,
 941                            0x8f, 0x9f, 0x9f, 0x9f);
 942
 943        b43_httab_write_few(dev, B43_HTTAB16(8, 0x0c), 4, 0x2, 0x2, 0x2, 0x2);
 944        b43_httab_write_few(dev, B43_HTTAB16(8, 0x1c), 4, 0x2, 0x2, 0x2, 0x2);
 945        b43_httab_write_few(dev, B43_HTTAB16(8, 0x2c), 4, 0x2, 0x2, 0x2, 0x2);
 946
 947        b43_phy_maskset(dev, 0x0280, 0xff00, 0x3e);
 948        b43_phy_maskset(dev, 0x0283, 0xff00, 0x3e);
 949        b43_phy_maskset(dev, B43_PHY_OFDM(0x0141), 0xff00, 0x46);
 950        b43_phy_maskset(dev, 0x0283, 0xff00, 0x40);
 951
 952        b43_httab_write_few(dev, B43_HTTAB16(00, 0x8), 4,
 953                            0x09, 0x0e, 0x13, 0x18);
 954        b43_httab_write_few(dev, B43_HTTAB16(01, 0x8), 4,
 955                            0x09, 0x0e, 0x13, 0x18);
 956        /* TODO: Did wl mean 2 instead of 40? */
 957        b43_httab_write_few(dev, B43_HTTAB16(40, 0x8), 4,
 958                            0x09, 0x0e, 0x13, 0x18);
 959
 960        b43_phy_maskset(dev, B43_PHY_OFDM(0x24), 0x3f, 0xd);
 961        b43_phy_maskset(dev, B43_PHY_OFDM(0x64), 0x3f, 0xd);
 962        b43_phy_maskset(dev, B43_PHY_OFDM(0xa4), 0x3f, 0xd);
 963
 964        b43_phy_set(dev, B43_PHY_EXTG(0x060), 0x1);
 965        b43_phy_set(dev, B43_PHY_EXTG(0x064), 0x1);
 966        b43_phy_set(dev, B43_PHY_EXTG(0x080), 0x1);
 967        b43_phy_set(dev, B43_PHY_EXTG(0x084), 0x1);
 968
 969        /* Copy some tables entries */
 970        tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x144));
 971        b43_httab_write(dev, B43_HTTAB16(7, 0x14a), tmp);
 972        tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x154));
 973        b43_httab_write(dev, B43_HTTAB16(7, 0x15a), tmp);
 974        tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x164));
 975        b43_httab_write(dev, B43_HTTAB16(7, 0x16a), tmp);
 976
 977        /* Reset CCA */
 978        b43_phy_force_clock(dev, true);
 979        tmp = b43_phy_read(dev, B43_PHY_HT_BBCFG);
 980        b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp | B43_PHY_HT_BBCFG_RSTCCA);
 981        b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp & ~B43_PHY_HT_BBCFG_RSTCCA);
 982        b43_phy_force_clock(dev, false);
 983
 984        b43_mac_phy_clock_set(dev, true);
 985
 986        b43_phy_ht_pa_override(dev, false);
 987        b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX);
 988        b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
 989        b43_phy_ht_pa_override(dev, true);
 990
 991        /* TODO: Should we restore it? Or store it in global PHY info? */
 992        b43_phy_ht_classifier(dev, 0, 0);
 993        b43_phy_ht_read_clip_detection(dev, clip_state);
 994
 995        if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
 996                b43_phy_ht_bphy_init(dev);
 997
 998        b43_httab_write_bulk(dev, B43_HTTAB32(0x1a, 0xc0),
 999                        B43_HTTAB_1A_C0_LATE_SIZE, b43_httab_0x1a_0xc0_late);
1000
1001        saved_tx_pwr_ctl = phy_ht->tx_pwr_ctl;
1002        b43_phy_ht_tx_power_fix(dev);
1003        b43_phy_ht_tx_power_ctl(dev, false);
1004        b43_phy_ht_tx_power_ctl_idle_tssi(dev);
1005        b43_phy_ht_tx_power_ctl_setup(dev);
1006        b43_phy_ht_tssi_setup(dev);
1007        b43_phy_ht_tx_power_ctl(dev, saved_tx_pwr_ctl);
1008
1009        return 0;
1010}
1011
1012static void b43_phy_ht_op_free(struct b43_wldev *dev)
1013{
1014        struct b43_phy *phy = &dev->phy;
1015        struct b43_phy_ht *phy_ht = phy->ht;
1016
1017        kfree(phy_ht);
1018        phy->ht = NULL;
1019}
1020
1021/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
1022static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev,
1023                                        bool blocked)
1024{
1025        if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
1026                b43err(dev->wl, "MAC not suspended\n");
1027
1028        if (blocked) {
1029                b43_phy_mask(dev, B43_PHY_HT_RF_CTL_CMD,
1030                             ~B43_PHY_HT_RF_CTL_CMD_CHIP0_PU);
1031        } else {
1032                if (dev->phy.radio_ver == 0x2059)
1033                        b43_radio_2059_init(dev);
1034                else
1035                        B43_WARN_ON(1);
1036
1037                b43_switch_channel(dev, dev->phy.channel);
1038        }
1039}
1040
1041static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on)
1042{
1043        if (on) {
1044                b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00cd);
1045                b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x0000);
1046                b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00cd);
1047                b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x0000);
1048                b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00cd);
1049                b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x0000);
1050        } else {
1051                b43_phy_write(dev, B43_PHY_HT_AFE_C1_OVER, 0x07ff);
1052                b43_phy_write(dev, B43_PHY_HT_AFE_C1, 0x00fd);
1053                b43_phy_write(dev, B43_PHY_HT_AFE_C2_OVER, 0x07ff);
1054                b43_phy_write(dev, B43_PHY_HT_AFE_C2, 0x00fd);
1055                b43_phy_write(dev, B43_PHY_HT_AFE_C3_OVER, 0x07ff);
1056                b43_phy_write(dev, B43_PHY_HT_AFE_C3, 0x00fd);
1057        }
1058}
1059
1060static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev,
1061                                        unsigned int new_channel)
1062{
1063        struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan;
1064        enum nl80211_channel_type channel_type =
1065                cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef);
1066
1067        if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ) {
1068                if ((new_channel < 1) || (new_channel > 14))
1069                        return -EINVAL;
1070        } else {
1071                return -EINVAL;
1072        }
1073
1074        return b43_phy_ht_set_channel(dev, channel, channel_type);
1075}
1076
1077static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev)
1078{
1079        if (b43_current_band(dev->wl) == NL80211_BAND_2GHZ)
1080                return 11;
1081        return 36;
1082}
1083
1084/**************************************************
1085 * R/W ops.
1086 **************************************************/
1087
1088static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
1089                                 u16 set)
1090{
1091        b43_write16f(dev, B43_MMIO_PHY_CONTROL, reg);
1092        b43_write16(dev, B43_MMIO_PHY_DATA,
1093                    (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
1094}
1095
1096static u16 b43_phy_ht_op_radio_read(struct b43_wldev *dev, u16 reg)
1097{
1098        /* HT-PHY needs 0x200 for read access */
1099        reg |= 0x200;
1100
1101        b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg);
1102        return b43_read16(dev, B43_MMIO_RADIO24_DATA);
1103}
1104
1105static void b43_phy_ht_op_radio_write(struct b43_wldev *dev, u16 reg,
1106                                      u16 value)
1107{
1108        b43_write16f(dev, B43_MMIO_RADIO24_CONTROL, reg);
1109        b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
1110}
1111
1112static enum b43_txpwr_result
1113b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
1114{
1115        return B43_TXPWR_RES_DONE;
1116}
1117
1118static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev)
1119{
1120}
1121
1122/**************************************************
1123 * PHY ops struct.
1124 **************************************************/
1125
1126const struct b43_phy_operations b43_phyops_ht = {
1127        .allocate               = b43_phy_ht_op_allocate,
1128        .free                   = b43_phy_ht_op_free,
1129        .prepare_structs        = b43_phy_ht_op_prepare_structs,
1130        .init                   = b43_phy_ht_op_init,
1131        .phy_maskset            = b43_phy_ht_op_maskset,
1132        .radio_read             = b43_phy_ht_op_radio_read,
1133        .radio_write            = b43_phy_ht_op_radio_write,
1134        .software_rfkill        = b43_phy_ht_op_software_rfkill,
1135        .switch_analog          = b43_phy_ht_op_switch_analog,
1136        .switch_channel         = b43_phy_ht_op_switch_channel,
1137        .get_default_chan       = b43_phy_ht_op_get_default_chan,
1138        .recalc_txpower         = b43_phy_ht_op_recalc_txpower,
1139        .adjust_txpower         = b43_phy_ht_op_adjust_txpower,
1140};
1141