Pileus Git - ~andy/linux/blob - drivers/net/wireless/b43/phy_ht.c

   1 /*
   2
   3   Broadcom B43 wireless driver
   4   IEEE 802.11n HT-PHY support
   5
   6   Copyright (c) 2011 Rafał Miłecki <zajec5@gmail.com>
   7
   8   This program is free software; you can redistribute it and/or modify
   9   it under the terms of the GNU General Public License as published by
  10   the Free Software Foundation; either version 2 of the License, or
  11   (at your option) any later version.
  12
  13   This program is distributed in the hope that it will be useful,
  14   but WITHOUT ANY WARRANTY; without even the implied warranty of
  15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16   GNU General Public License for more details.
  17
  18   You should have received a copy of the GNU General Public License
  19   along with this program; see the file COPYING.  If not, write to
  20   the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor,
  21   Boston, MA 02110-1301, USA.
  22
  23 */
  24
  25 #include <linux/slab.h>
  26
  27 #include "b43.h"
  28 #include "phy_ht.h"
  29 #include "tables_phy_ht.h"
  30 #include "radio_2059.h"
  31 #include "main.h"
  32
  33 /**************************************************
  34  * Radio 2059.
  35  **************************************************/
  36
  37 static void b43_radio_2059_channel_setup(struct b43_wldev *dev,
  38                         const struct b43_phy_ht_channeltab_e_radio2059 *e)
  39 {
  40         u8 i;
  41         u16 routing;
  42
  43         b43_radio_write(dev, 0x16, e->radio_syn16);
  44         b43_radio_write(dev, 0x17, e->radio_syn17);
  45         b43_radio_write(dev, 0x22, e->radio_syn22);
  46         b43_radio_write(dev, 0x25, e->radio_syn25);
  47         b43_radio_write(dev, 0x27, e->radio_syn27);
  48         b43_radio_write(dev, 0x28, e->radio_syn28);
  49         b43_radio_write(dev, 0x29, e->radio_syn29);
  50         b43_radio_write(dev, 0x2c, e->radio_syn2c);
  51         b43_radio_write(dev, 0x2d, e->radio_syn2d);
  52         b43_radio_write(dev, 0x37, e->radio_syn37);
  53         b43_radio_write(dev, 0x41, e->radio_syn41);
  54         b43_radio_write(dev, 0x43, e->radio_syn43);
  55         b43_radio_write(dev, 0x47, e->radio_syn47);
  56         b43_radio_write(dev, 0x4a, e->radio_syn4a);
  57         b43_radio_write(dev, 0x58, e->radio_syn58);
  58         b43_radio_write(dev, 0x5a, e->radio_syn5a);
  59         b43_radio_write(dev, 0x6a, e->radio_syn6a);
  60         b43_radio_write(dev, 0x6d, e->radio_syn6d);
  61         b43_radio_write(dev, 0x6e, e->radio_syn6e);
  62         b43_radio_write(dev, 0x92, e->radio_syn92);
  63         b43_radio_write(dev, 0x98, e->radio_syn98);
  64
  65         for (i = 0; i < 2; i++) {
  66                 routing = i ? R2059_RXRX1 : R2059_TXRX0;
  67                 b43_radio_write(dev, routing | 0x4a, e->radio_rxtx4a);
  68                 b43_radio_write(dev, routing | 0x58, e->radio_rxtx58);
  69                 b43_radio_write(dev, routing | 0x5a, e->radio_rxtx5a);
  70                 b43_radio_write(dev, routing | 0x6a, e->radio_rxtx6a);
  71                 b43_radio_write(dev, routing | 0x6d, e->radio_rxtx6d);
  72                 b43_radio_write(dev, routing | 0x6e, e->radio_rxtx6e);
  73                 b43_radio_write(dev, routing | 0x92, e->radio_rxtx92);
  74                 b43_radio_write(dev, routing | 0x98, e->radio_rxtx98);
  75         }
  76
  77         udelay(50);
  78
  79         /* Calibration */
  80         b43_radio_mask(dev, 0x2b, ~0x1);
  81         b43_radio_mask(dev, 0x2e, ~0x4);
  82         b43_radio_set(dev, 0x2e, 0x4);
  83         b43_radio_set(dev, 0x2b, 0x1);
  84
  85         udelay(300);
  86 }
  87
  88 static void b43_radio_2059_init(struct b43_wldev *dev)
  89 {
  90         const u16 routing[] = { R2059_SYN, R2059_TXRX0, R2059_RXRX1 };
  91         const u16 radio_values[3][2] = {
  92                 { 0x61, 0xE9 }, { 0x69, 0xD5 }, { 0x73, 0x99 },
  93         };
  94         u16 i, j;
  95
  96         b43_radio_write(dev, R2059_ALL | 0x51, 0x0070);
  97         b43_radio_write(dev, R2059_ALL | 0x5a, 0x0003);
  98
  99         for (i = 0; i < ARRAY_SIZE(routing); i++)
 100                 b43_radio_set(dev, routing[i] | 0x146, 0x3);
 101
 102         b43_radio_set(dev, 0x2e, 0x0078);
 103         b43_radio_set(dev, 0xc0, 0x0080);
 104         msleep(2);
 105         b43_radio_mask(dev, 0x2e, ~0x0078);
 106         b43_radio_mask(dev, 0xc0, ~0x0080);
 107
 108         if (1) { /* FIXME */
 109                 b43_radio_set(dev, R2059_RXRX1 | 0x4, 0x1);
 110                 udelay(10);
 111                 b43_radio_set(dev, R2059_RXRX1 | 0x0BF, 0x1);
 112                 b43_radio_maskset(dev, R2059_RXRX1 | 0x19B, 0x3, 0x2);
 113
 114                 b43_radio_set(dev, R2059_RXRX1 | 0x4, 0x2);
 115                 udelay(100);
 116                 b43_radio_mask(dev, R2059_RXRX1 | 0x4, ~0x2);
 117
 118                 for (i = 0; i < 10000; i++) {
 119                         if (b43_radio_read(dev, R2059_RXRX1 | 0x145) & 1) {
 120                                 i = 0;
 121                                 break;
 122                         }
 123                         udelay(100);
 124                 }
 125                 if (i)
 126                         b43err(dev->wl, "radio 0x945 timeout\n");
 127
 128                 b43_radio_mask(dev, R2059_RXRX1 | 0x4, ~0x1);
 129                 b43_radio_set(dev, 0xa, 0x60);
 130
 131                 for (i = 0; i < 3; i++) {
 132                         b43_radio_write(dev, 0x17F, radio_values[i][0]);
 133                         b43_radio_write(dev, 0x13D, 0x6E);
 134                         b43_radio_write(dev, 0x13E, radio_values[i][1]);
 135                         b43_radio_write(dev, 0x13C, 0x55);
 136
 137                         for (j = 0; j < 10000; j++) {
 138                                 if (b43_radio_read(dev, 0x140) & 2) {
 139                                         j = 0;
 140                                         break;
 141                                 }
 142                                 udelay(500);
 143                         }
 144                         if (j)
 145                                 b43err(dev->wl, "radio 0x140 timeout\n");
 146
 147                         b43_radio_write(dev, 0x13C, 0x15);
 148                 }
 149
 150                 b43_radio_mask(dev, 0x17F, ~0x1);
 151         }
 152
 153         b43_radio_mask(dev, 0x11, ~0x0008);
 154 }
 155
 156 /**************************************************
 157  * Various PHY ops
 158  **************************************************/
 159
 160 static void b43_phy_ht_zero_extg(struct b43_wldev *dev)
 161 {
 162         u8 i, j;
 163         u16 base[] = { 0x40, 0x60, 0x80 };
 164
 165         for (i = 0; i < ARRAY_SIZE(base); i++) {
 166                 for (j = 0; j < 4; j++)
 167                         b43_phy_write(dev, B43_PHY_EXTG(base[i] + j), 0);
 168         }
 169
 170         for (i = 0; i < ARRAY_SIZE(base); i++)
 171                 b43_phy_write(dev, B43_PHY_EXTG(base[i] + 0xc), 0);
 172 }
 173
 174 /* Some unknown AFE (Analog Frondned) op */
 175 static void b43_phy_ht_afe_unk1(struct b43_wldev *dev)
 176 {
 177         u8 i;
 178
 179         const u16 ctl_regs[3][2] = {
 180                 { B43_PHY_HT_AFE_CTL1, B43_PHY_HT_AFE_CTL2 },
 181                 { B43_PHY_HT_AFE_CTL3, B43_PHY_HT_AFE_CTL4 },
 182                 { B43_PHY_HT_AFE_CTL5, B43_PHY_HT_AFE_CTL6},
 183         };
 184
 185         for (i = 0; i < 3; i++) {
 186                 /* TODO: verify masks&sets */
 187                 b43_phy_set(dev, ctl_regs[i][1], 0x4);
 188                 b43_phy_set(dev, ctl_regs[i][0], 0x4);
 189                 b43_phy_mask(dev, ctl_regs[i][1], ~0x1);
 190                 b43_phy_set(dev, ctl_regs[i][0], 0x1);
 191                 b43_httab_write(dev, B43_HTTAB16(8, 5 + (i * 0x10)), 0);
 192                 b43_phy_mask(dev, ctl_regs[i][0], ~0x4);
 193         }
 194 }
 195
 196 static void b43_phy_ht_force_rf_sequence(struct b43_wldev *dev, u16 rf_seq)
 197 {
 198         u8 i;
 199
 200         u16 save_seq_mode = b43_phy_read(dev, B43_PHY_HT_RF_SEQ_MODE);
 201         b43_phy_set(dev, B43_PHY_HT_RF_SEQ_MODE, 0x3);
 202
 203         b43_phy_set(dev, B43_PHY_HT_RF_SEQ_TRIG, rf_seq);
 204         for (i = 0; i < 200; i++) {
 205                 if (!(b43_phy_read(dev, B43_PHY_HT_RF_SEQ_STATUS) & rf_seq)) {
 206                         i = 0;
 207                         break;
 208                 }
 209                 msleep(1);
 210         }
 211         if (i)
 212                 b43err(dev->wl, "Forcing RF sequence timeout\n");
 213
 214         b43_phy_write(dev, B43_PHY_HT_RF_SEQ_MODE, save_seq_mode);
 215 }
 216
 217 static void b43_phy_ht_read_clip_detection(struct b43_wldev *dev, u16 *clip_st)
 218 {
 219         clip_st[0] = b43_phy_read(dev, B43_PHY_HT_C1_CLIP1THRES);
 220         clip_st[1] = b43_phy_read(dev, B43_PHY_HT_C2_CLIP1THRES);
 221         clip_st[2] = b43_phy_read(dev, B43_PHY_HT_C3_CLIP1THRES);
 222 }
 223
 224 static void b43_phy_ht_bphy_init(struct b43_wldev *dev)
 225 {
 226         unsigned int i;
 227         u16 val;
 228
 229         val = 0x1E1F;
 230         for (i = 0; i < 16; i++) {
 231                 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val);
 232                 val -= 0x202;
 233         }
 234         val = 0x3E3F;
 235         for (i = 0; i < 16; i++) {
 236                 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val);
 237                 val -= 0x202;
 238         }
 239         b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668);
 240 }
 241
 242 /**************************************************
 243  * Channel switching ops.
 244  **************************************************/
 245
 246 static void b43_phy_ht_channel_setup(struct b43_wldev *dev,
 247                                 const struct b43_phy_ht_channeltab_e_phy *e,
 248                                 struct ieee80211_channel *new_channel)
 249 {
 250         bool old_band_5ghz;
 251         u8 i;
 252
 253         old_band_5ghz = b43_phy_read(dev, B43_PHY_HT_BANDCTL) & 0; /* FIXME */
 254         if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) {
 255                 /* TODO */
 256         } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) {
 257                 /* TODO */
 258         }
 259
 260         b43_phy_write(dev, B43_PHY_HT_BW1, e->bw1);
 261         b43_phy_write(dev, B43_PHY_HT_BW2, e->bw2);
 262         b43_phy_write(dev, B43_PHY_HT_BW3, e->bw3);
 263         b43_phy_write(dev, B43_PHY_HT_BW4, e->bw4);
 264         b43_phy_write(dev, B43_PHY_HT_BW5, e->bw5);
 265         b43_phy_write(dev, B43_PHY_HT_BW6, e->bw6);
 266
 267         /* TODO: some ops on PHY regs 0x0B0 and 0xC0A */
 268
 269         /* TODO: separated function? */
 270         for (i = 0; i < 3; i++) {
 271                 u16 mask;
 272                 u32 tmp = b43_httab_read(dev, B43_HTTAB32(26, 0xE8));
 273
 274                 if (0) /* FIXME */
 275                         mask = 0x2 << (i * 4);
 276                 else
 277                         mask = 0;
 278                 b43_phy_mask(dev, B43_PHY_EXTG(0x108), mask);
 279
 280                 b43_httab_write(dev, B43_HTTAB16(7, 0x110 + i), tmp >> 16);
 281                 b43_httab_write(dev, B43_HTTAB8(13, 0x63 + (i * 4)),
 282                                 tmp & 0xFF);
 283                 b43_httab_write(dev, B43_HTTAB8(13, 0x73 + (i * 4)),
 284                                 tmp & 0xFF);
 285         }
 286
 287         b43_phy_write(dev, 0x017e, 0x3830);
 288 }
 289
 290 static int b43_phy_ht_set_channel(struct b43_wldev *dev,
 291                                   struct ieee80211_channel *channel,
 292                                   enum nl80211_channel_type channel_type)
 293 {
 294         struct b43_phy *phy = &dev->phy;
 295
 296         const struct b43_phy_ht_channeltab_e_radio2059 *chent_r2059 = NULL;
 297
 298         if (phy->radio_ver == 0x2059) {
 299                 chent_r2059 = b43_phy_ht_get_channeltab_e_r2059(dev,
 300                                                         channel->center_freq);
 301                 if (!chent_r2059)
 302                         return -ESRCH;
 303         } else {
 304                 return -ESRCH;
 305         }
 306
 307         /* TODO: In case of N-PHY some bandwidth switching goes here */
 308
 309         if (phy->radio_ver == 0x2059) {
 310                 b43_radio_2059_channel_setup(dev, chent_r2059);
 311                 b43_phy_ht_channel_setup(dev, &(chent_r2059->phy_regs),
 312                                          channel);
 313         } else {
 314                 return -ESRCH;
 315         }
 316
 317         return 0;
 318 }
 319
 320 /**************************************************
 321  * Basic PHY ops.
 322  **************************************************/
 323
 324 static int b43_phy_ht_op_allocate(struct b43_wldev *dev)
 325 {
 326         struct b43_phy_ht *phy_ht;
 327
 328         phy_ht = kzalloc(sizeof(*phy_ht), GFP_KERNEL);
 329         if (!phy_ht)
 330                 return -ENOMEM;
 331         dev->phy.ht = phy_ht;
 332
 333         return 0;
 334 }
 335
 336 static void b43_phy_ht_op_prepare_structs(struct b43_wldev *dev)
 337 {
 338         struct b43_phy *phy = &dev->phy;
 339         struct b43_phy_ht *phy_ht = phy->ht;
 340
 341         memset(phy_ht, 0, sizeof(*phy_ht));
 342 }
 343
 344 static int b43_phy_ht_op_init(struct b43_wldev *dev)
 345 {
 346         u16 tmp;
 347         u16 clip_state[3];
 348
 349         if (dev->dev->bus_type != B43_BUS_BCMA) {
 350                 b43err(dev->wl, "HT-PHY is supported only on BCMA bus!\n");
 351                 return -EOPNOTSUPP;
 352         }
 353
 354         b43_phy_ht_tables_init(dev);
 355
 356         b43_phy_mask(dev, 0x0be, ~0x2);
 357         b43_phy_set(dev, 0x23f, 0x7ff);
 358         b43_phy_set(dev, 0x240, 0x7ff);
 359         b43_phy_set(dev, 0x241, 0x7ff);
 360
 361         b43_phy_ht_zero_extg(dev);
 362
 363         b43_phy_mask(dev, B43_PHY_EXTG(0), ~0x3);
 364
 365         b43_phy_write(dev, B43_PHY_HT_AFE_CTL1, 0);
 366         b43_phy_write(dev, B43_PHY_HT_AFE_CTL3, 0);
 367         b43_phy_write(dev, B43_PHY_HT_AFE_CTL5, 0);
 368
 369         b43_phy_write(dev, B43_PHY_EXTG(0x103), 0x20);
 370         b43_phy_write(dev, B43_PHY_EXTG(0x101), 0x20);
 371         b43_phy_write(dev, 0x20d, 0xb8);
 372         b43_phy_write(dev, B43_PHY_EXTG(0x14f), 0xc8);
 373         b43_phy_write(dev, 0x70, 0x50);
 374         b43_phy_write(dev, 0x1ff, 0x30);
 375
 376         if (0) /* TODO: condition */
 377                 ; /* TODO: PHY op on reg 0x217 */
 378
 379         b43_phy_read(dev, 0xb0); /* TODO: what for? */
 380         b43_phy_set(dev, 0xb0, 0x1);
 381
 382         b43_phy_set(dev, 0xb1, 0x91);
 383         b43_phy_write(dev, 0x32f, 0x0003);
 384         b43_phy_write(dev, 0x077, 0x0010);
 385         b43_phy_write(dev, 0x0b4, 0x0258);
 386         b43_phy_mask(dev, 0x17e, ~0x4000);
 387
 388         b43_phy_write(dev, 0x0b9, 0x0072);
 389
 390         b43_httab_write_few(dev, B43_HTTAB16(7, 0x14e), 2, 0x010f, 0x010f);
 391         b43_httab_write_few(dev, B43_HTTAB16(7, 0x15e), 2, 0x010f, 0x010f);
 392         b43_httab_write_few(dev, B43_HTTAB16(7, 0x16e), 2, 0x010f, 0x010f);
 393
 394         b43_phy_ht_afe_unk1(dev);
 395
 396         b43_httab_write_few(dev, B43_HTTAB16(7, 0x130), 9, 0x777, 0x111, 0x111,
 397                             0x777, 0x111, 0x111, 0x777, 0x111, 0x111);
 398
 399         b43_httab_write(dev, B43_HTTAB16(7, 0x120), 0x0777);
 400         b43_httab_write(dev, B43_HTTAB16(7, 0x124), 0x0777);
 401
 402         b43_httab_write(dev, B43_HTTAB16(8, 0x00), 0x02);
 403         b43_httab_write(dev, B43_HTTAB16(8, 0x10), 0x02);
 404         b43_httab_write(dev, B43_HTTAB16(8, 0x20), 0x02);
 405
 406         b43_httab_write_few(dev, B43_HTTAB16(8, 0x08), 4,
 407                             0x8e, 0x96, 0x96, 0x96);
 408         b43_httab_write_few(dev, B43_HTTAB16(8, 0x18), 4,
 409                             0x8f, 0x9f, 0x9f, 0x9f);
 410         b43_httab_write_few(dev, B43_HTTAB16(8, 0x28), 4,
 411                             0x8f, 0x9f, 0x9f, 0x9f);
 412
 413         b43_httab_write_few(dev, B43_HTTAB16(8, 0x0c), 4, 0x2, 0x2, 0x2, 0x2);
 414         b43_httab_write_few(dev, B43_HTTAB16(8, 0x1c), 4, 0x2, 0x2, 0x2, 0x2);
 415         b43_httab_write_few(dev, B43_HTTAB16(8, 0x2c), 4, 0x2, 0x2, 0x2, 0x2);
 416
 417         b43_phy_maskset(dev, 0x0280, 0xff00, 0x3e);
 418         b43_phy_maskset(dev, 0x0283, 0xff00, 0x3e);
 419         b43_phy_maskset(dev, B43_PHY_OFDM(0x0141), 0xff00, 0x46);
 420         b43_phy_maskset(dev, 0x0283, 0xff00, 0x40);
 421
 422         b43_httab_write_few(dev, B43_HTTAB16(00, 0x8), 4,
 423                             0x09, 0x0e, 0x13, 0x18);
 424         b43_httab_write_few(dev, B43_HTTAB16(01, 0x8), 4,
 425                             0x09, 0x0e, 0x13, 0x18);
 426         /* TODO: Did wl mean 2 instead of 40? */
 427         b43_httab_write_few(dev, B43_HTTAB16(40, 0x8), 4,
 428                             0x09, 0x0e, 0x13, 0x18);
 429
 430         b43_phy_maskset(dev, B43_PHY_OFDM(0x24), 0x3f, 0xd);
 431         b43_phy_maskset(dev, B43_PHY_OFDM(0x64), 0x3f, 0xd);
 432         b43_phy_maskset(dev, B43_PHY_OFDM(0xa4), 0x3f, 0xd);
 433
 434         b43_phy_set(dev, B43_PHY_EXTG(0x060), 0x1);
 435         b43_phy_set(dev, B43_PHY_EXTG(0x064), 0x1);
 436         b43_phy_set(dev, B43_PHY_EXTG(0x080), 0x1);
 437         b43_phy_set(dev, B43_PHY_EXTG(0x084), 0x1);
 438
 439         /* Copy some tables entries */
 440         tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x144));
 441         b43_httab_write(dev, B43_HTTAB16(7, 0x14a), tmp);
 442         tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x154));
 443         b43_httab_write(dev, B43_HTTAB16(7, 0x15a), tmp);
 444         tmp = b43_httab_read(dev, B43_HTTAB16(7, 0x164));
 445         b43_httab_write(dev, B43_HTTAB16(7, 0x16a), tmp);
 446
 447         /* Reset CCA */
 448         b43_phy_force_clock(dev, true);
 449         tmp = b43_phy_read(dev, B43_PHY_HT_BBCFG);
 450         b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp | B43_PHY_HT_BBCFG_RSTCCA);
 451         b43_phy_write(dev, B43_PHY_HT_BBCFG, tmp & ~B43_PHY_HT_BBCFG_RSTCCA);
 452         b43_phy_force_clock(dev, false);
 453
 454         b43_mac_phy_clock_set(dev, true);
 455
 456         b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RX2TX);
 457         b43_phy_ht_force_rf_sequence(dev, B43_PHY_HT_RF_SEQ_TRIG_RST2RX);
 458
 459         /* TODO: PHY op on reg 0xb0 */
 460
 461         /* TODO: Should we restore it? Or store it in global PHY info? */
 462         b43_phy_ht_read_clip_detection(dev, clip_state);
 463
 464         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
 465                 b43_phy_ht_bphy_init(dev);
 466
 467         b43_httab_write_bulk(dev, B43_HTTAB32(0x1a, 0xc0),
 468                         B43_HTTAB_1A_C0_LATE_SIZE, b43_httab_0x1a_0xc0_late);
 469
 470         return 0;
 471 }
 472
 473 static void b43_phy_ht_op_free(struct b43_wldev *dev)
 474 {
 475         struct b43_phy *phy = &dev->phy;
 476         struct b43_phy_ht *phy_ht = phy->ht;
 477
 478         kfree(phy_ht);
 479         phy->ht = NULL;
 480 }
 481
 482 /* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */
 483 static void b43_phy_ht_op_software_rfkill(struct b43_wldev *dev,
 484                                         bool blocked)
 485 {
 486         if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED)
 487                 b43err(dev->wl, "MAC not suspended\n");
 488
 489         /* In the following PHY ops we copy wl's dummy behaviour.
 490          * TODO: Find out if reads (currently hidden in masks/masksets) are
 491          * needed and replace following ops with just writes or w&r.
 492          * Note: B43_PHY_HT_RF_CTL1 register is tricky, wrong operation can
 493          * cause delayed (!) machine lock up. */
 494         if (blocked) {
 495                 b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
 496         } else {
 497                 b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
 498                 b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x1);
 499                 b43_phy_mask(dev, B43_PHY_HT_RF_CTL1, 0);
 500                 b43_phy_maskset(dev, B43_PHY_HT_RF_CTL1, 0, 0x2);
 501
 502                 if (dev->phy.radio_ver == 0x2059)
 503                         b43_radio_2059_init(dev);
 504                 else
 505                         B43_WARN_ON(1);
 506
 507                 b43_switch_channel(dev, dev->phy.channel);
 508         }
 509 }
 510
 511 static void b43_phy_ht_op_switch_analog(struct b43_wldev *dev, bool on)
 512 {
 513         if (on) {
 514                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL2, 0x00cd);
 515                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL1, 0x0000);
 516                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL4, 0x00cd);
 517                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL3, 0x0000);
 518                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL6, 0x00cd);
 519                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL5, 0x0000);
 520         } else {
 521                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL1, 0x07ff);
 522                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL2, 0x00fd);
 523                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL3, 0x07ff);
 524                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL4, 0x00fd);
 525                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL5, 0x07ff);
 526                 b43_phy_write(dev, B43_PHY_HT_AFE_CTL6, 0x00fd);
 527         }
 528 }
 529
 530 static int b43_phy_ht_op_switch_channel(struct b43_wldev *dev,
 531                                         unsigned int new_channel)
 532 {
 533         struct ieee80211_channel *channel = dev->wl->hw->conf.channel;
 534         enum nl80211_channel_type channel_type = dev->wl->hw->conf.channel_type;
 535
 536         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) {
 537                 if ((new_channel < 1) || (new_channel > 14))
 538                         return -EINVAL;
 539         } else {
 540                 return -EINVAL;
 541         }
 542
 543         return b43_phy_ht_set_channel(dev, channel, channel_type);
 544 }
 545
 546 static unsigned int b43_phy_ht_op_get_default_chan(struct b43_wldev *dev)
 547 {
 548         if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)
 549                 return 11;
 550         return 36;
 551 }
 552
 553 /**************************************************
 554  * R/W ops.
 555  **************************************************/
 556
 557 static u16 b43_phy_ht_op_read(struct b43_wldev *dev, u16 reg)
 558 {
 559         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
 560         return b43_read16(dev, B43_MMIO_PHY_DATA);
 561 }
 562
 563 static void b43_phy_ht_op_write(struct b43_wldev *dev, u16 reg, u16 value)
 564 {
 565         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
 566         b43_write16(dev, B43_MMIO_PHY_DATA, value);
 567 }
 568
 569 static void b43_phy_ht_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask,
 570                                  u16 set)
 571 {
 572         b43_write16(dev, B43_MMIO_PHY_CONTROL, reg);
 573         b43_write16(dev, B43_MMIO_PHY_DATA,
 574                     (b43_read16(dev, B43_MMIO_PHY_DATA) & mask) | set);
 575 }
 576
 577 static u16 b43_phy_ht_op_radio_read(struct b43_wldev *dev, u16 reg)
 578 {
 579         /* HT-PHY needs 0x200 for read access */
 580         reg |= 0x200;
 581
 582         b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
 583         return b43_read16(dev, B43_MMIO_RADIO24_DATA);
 584 }
 585
 586 static void b43_phy_ht_op_radio_write(struct b43_wldev *dev, u16 reg,
 587                                       u16 value)
 588 {
 589         b43_write16(dev, B43_MMIO_RADIO24_CONTROL, reg);
 590         b43_write16(dev, B43_MMIO_RADIO24_DATA, value);
 591 }
 592
 593 static enum b43_txpwr_result
 594 b43_phy_ht_op_recalc_txpower(struct b43_wldev *dev, bool ignore_tssi)
 595 {
 596         return B43_TXPWR_RES_DONE;
 597 }
 598
 599 static void b43_phy_ht_op_adjust_txpower(struct b43_wldev *dev)
 600 {
 601 }
 602
 603 /**************************************************
 604  * PHY ops struct.
 605  **************************************************/
 606
 607 const struct b43_phy_operations b43_phyops_ht = {
 608         .allocate               = b43_phy_ht_op_allocate,
 609         .free                   = b43_phy_ht_op_free,
 610         .prepare_structs        = b43_phy_ht_op_prepare_structs,
 611         .init                   = b43_phy_ht_op_init,
 612         .phy_read               = b43_phy_ht_op_read,
 613         .phy_write              = b43_phy_ht_op_write,
 614         .phy_maskset            = b43_phy_ht_op_maskset,
 615         .radio_read             = b43_phy_ht_op_radio_read,
 616         .radio_write            = b43_phy_ht_op_radio_write,
 617         .software_rfkill        = b43_phy_ht_op_software_rfkill,
 618         .switch_analog          = b43_phy_ht_op_switch_analog,
 619         .switch_channel         = b43_phy_ht_op_switch_channel,
 620         .get_default_chan       = b43_phy_ht_op_get_default_chan,
 621         .recalc_txpower         = b43_phy_ht_op_recalc_txpower,
 622         .adjust_txpower         = b43_phy_ht_op_adjust_txpower,
 623 };