root/drivers/net/wireless/broadcom/b43/phy_ht.c

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DEFINITIONS

This source file includes following definitions.
  1. b43_radio_2059_channel_setup
  2. b43_radio_2059_rcal
  3. b43_radio_2057_rccal
  4. b43_radio_2059_init_pre
  5. b43_radio_2059_init
  6. b43_phy_ht_force_rf_sequence
  7. b43_phy_ht_pa_override
  8. b43_phy_ht_classifier
  9. b43_phy_ht_reset_cca
  10. b43_phy_ht_zero_extg
  11. b43_phy_ht_afe_unk1
  12. b43_phy_ht_read_clip_detection
  13. b43_phy_ht_bphy_init
  14. b43_phy_ht_bphy_reset
  15. b43_phy_ht_stop_playback
  16. b43_phy_ht_load_samples
  17. b43_phy_ht_run_samples
  18. b43_phy_ht_tx_tone
  19. b43_phy_ht_rssi_select
  20. b43_phy_ht_poll_rssi
  21. b43_phy_ht_tx_power_fix
  22. b43_phy_ht_tx_power_ctl
  23. b43_phy_ht_tx_power_ctl_idle_tssi
  24. b43_phy_ht_tssi_setup
  25. b43_phy_ht_tx_power_ctl_setup
  26. b43_phy_ht_spur_avoid
  27. b43_phy_ht_channel_setup
  28. b43_phy_ht_set_channel
  29. b43_phy_ht_op_allocate
  30. b43_phy_ht_op_prepare_structs
  31. b43_phy_ht_op_init
  32. b43_phy_ht_op_free
  33. b43_phy_ht_op_software_rfkill
  34. b43_phy_ht_op_switch_analog
  35. b43_phy_ht_op_switch_channel
  36. b43_phy_ht_op_get_default_chan
  37. b43_phy_ht_op_maskset
  38. b43_phy_ht_op_radio_read
  39. b43_phy_ht_op_radio_write
  40. b43_phy_ht_op_recalc_txpower
  41. b43_phy_ht_op_adjust_txpower

   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 */
  21 enum 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 
  35 static 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? */
  80 static 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? */
 107 static 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 
 134 static 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 
 142 static 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 
 175 static 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 
 196 static 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 
 220 static 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 
 236 static 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 
 250 static 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 */
 265 static 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 
 286 static 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 
 293 static 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 
 311 static 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 
 335 static 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 
 359 static 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 
 374 static 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 
 415 static 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 
 427 static 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 
 467 static 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 
 511 static 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 
 533 static 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 
 573 static 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 
 609 static 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 
 621 static 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 
 733 static 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 
 763 static 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 
 807 static 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 
 841 static 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 
 853 static 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 
 869 static 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 
1012 static 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 */
1022 static 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 
1041 static 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 
1060 static 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 
1077 static 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 
1088 static 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 
1096 static 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 
1105 static 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 
1112 static enum b43_txpwr_result
1113 b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
1114 {
1115         return B43_TXPWR_RES_DONE;
1116 }
1117 
1118 static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev)
1119 {
1120 }
1121 
1122 /**************************************************
1123  * PHY ops struct.
1124  **************************************************/
1125 
1126 const 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 };

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