Linux kernel mirror (for testing) git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel os linux
at v3.11 5565 lines 166 kB view raw
1/* 2 3 Broadcom B43 wireless driver 4 IEEE 802.11n PHY support 5 6 Copyright (c) 2008 Michael Buesch <m@bues.ch> 7 Copyright (c) 2010-2011 Rafał Miłecki <zajec5@gmail.com> 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 GNU General Public License for more details. 18 19 You should have received a copy of the GNU General Public License 20 along with this program; see the file COPYING. If not, write to 21 the Free Software Foundation, Inc., 51 Franklin Steet, Fifth Floor, 22 Boston, MA 02110-1301, USA. 23 24*/ 25 26#include <linux/delay.h> 27#include <linux/slab.h> 28#include <linux/types.h> 29 30#include "b43.h" 31#include "phy_n.h" 32#include "tables_nphy.h" 33#include "radio_2055.h" 34#include "radio_2056.h" 35#include "radio_2057.h" 36#include "main.h" 37 38struct nphy_txgains { 39 u16 txgm[2]; 40 u16 pga[2]; 41 u16 pad[2]; 42 u16 ipa[2]; 43}; 44 45struct nphy_iqcal_params { 46 u16 txgm; 47 u16 pga; 48 u16 pad; 49 u16 ipa; 50 u16 cal_gain; 51 u16 ncorr[5]; 52}; 53 54struct nphy_iq_est { 55 s32 iq0_prod; 56 u32 i0_pwr; 57 u32 q0_pwr; 58 s32 iq1_prod; 59 u32 i1_pwr; 60 u32 q1_pwr; 61}; 62 63enum b43_nphy_rf_sequence { 64 B43_RFSEQ_RX2TX, 65 B43_RFSEQ_TX2RX, 66 B43_RFSEQ_RESET2RX, 67 B43_RFSEQ_UPDATE_GAINH, 68 B43_RFSEQ_UPDATE_GAINL, 69 B43_RFSEQ_UPDATE_GAINU, 70}; 71 72enum n_intc_override { 73 N_INTC_OVERRIDE_OFF = 0, 74 N_INTC_OVERRIDE_TRSW = 1, 75 N_INTC_OVERRIDE_PA = 2, 76 N_INTC_OVERRIDE_EXT_LNA_PU = 3, 77 N_INTC_OVERRIDE_EXT_LNA_GAIN = 4, 78}; 79 80enum n_rssi_type { 81 N_RSSI_W1 = 0, 82 N_RSSI_W2, 83 N_RSSI_NB, 84 N_RSSI_IQ, 85 N_RSSI_TSSI_2G, 86 N_RSSI_TSSI_5G, 87 N_RSSI_TBD, 88}; 89 90enum n_rail_type { 91 N_RAIL_I = 0, 92 N_RAIL_Q = 1, 93}; 94 95static inline bool b43_nphy_ipa(struct b43_wldev *dev) 96{ 97 enum ieee80211_band band = b43_current_band(dev->wl); 98 return ((dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) || 99 (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ)); 100} 101 102/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreGetState */ 103static u8 b43_nphy_get_rx_core_state(struct b43_wldev *dev) 104{ 105 return (b43_phy_read(dev, B43_NPHY_RFSEQCA) & B43_NPHY_RFSEQCA_RXEN) >> 106 B43_NPHY_RFSEQCA_RXEN_SHIFT; 107} 108 109/************************************************** 110 * RF (just without b43_nphy_rf_ctl_intc_override) 111 **************************************************/ 112 113/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ForceRFSeq */ 114static void b43_nphy_force_rf_sequence(struct b43_wldev *dev, 115 enum b43_nphy_rf_sequence seq) 116{ 117 static const u16 trigger[] = { 118 [B43_RFSEQ_RX2TX] = B43_NPHY_RFSEQTR_RX2TX, 119 [B43_RFSEQ_TX2RX] = B43_NPHY_RFSEQTR_TX2RX, 120 [B43_RFSEQ_RESET2RX] = B43_NPHY_RFSEQTR_RST2RX, 121 [B43_RFSEQ_UPDATE_GAINH] = B43_NPHY_RFSEQTR_UPGH, 122 [B43_RFSEQ_UPDATE_GAINL] = B43_NPHY_RFSEQTR_UPGL, 123 [B43_RFSEQ_UPDATE_GAINU] = B43_NPHY_RFSEQTR_UPGU, 124 }; 125 int i; 126 u16 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE); 127 128 B43_WARN_ON(seq >= ARRAY_SIZE(trigger)); 129 130 b43_phy_set(dev, B43_NPHY_RFSEQMODE, 131 B43_NPHY_RFSEQMODE_CAOVER | B43_NPHY_RFSEQMODE_TROVER); 132 b43_phy_set(dev, B43_NPHY_RFSEQTR, trigger[seq]); 133 for (i = 0; i < 200; i++) { 134 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & trigger[seq])) 135 goto ok; 136 msleep(1); 137 } 138 b43err(dev->wl, "RF sequence status timeout\n"); 139ok: 140 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode); 141} 142 143/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverrideRev7 */ 144static void b43_nphy_rf_ctl_override_rev7(struct b43_wldev *dev, u16 field, 145 u16 value, u8 core, bool off, 146 u8 override) 147{ 148 const struct nphy_rf_control_override_rev7 *e; 149 u16 en_addrs[3][2] = { 150 { 0x0E7, 0x0EC }, { 0x342, 0x343 }, { 0x346, 0x347 } 151 }; 152 u16 en_addr; 153 u16 en_mask = field; 154 u16 val_addr; 155 u8 i; 156 157 /* Remember: we can get NULL! */ 158 e = b43_nphy_get_rf_ctl_over_rev7(dev, field, override); 159 160 for (i = 0; i < 2; i++) { 161 if (override >= ARRAY_SIZE(en_addrs)) { 162 b43err(dev->wl, "Invalid override value %d\n", override); 163 return; 164 } 165 en_addr = en_addrs[override][i]; 166 167 val_addr = (i == 0) ? e->val_addr_core0 : e->val_addr_core1; 168 169 if (off) { 170 b43_phy_mask(dev, en_addr, ~en_mask); 171 if (e) /* Do it safer, better than wl */ 172 b43_phy_mask(dev, val_addr, ~e->val_mask); 173 } else { 174 if (!core || (core & (1 << i))) { 175 b43_phy_set(dev, en_addr, en_mask); 176 if (e) 177 b43_phy_maskset(dev, val_addr, ~e->val_mask, (value << e->val_shift)); 178 } 179 } 180 } 181} 182 183/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlOverride */ 184static void b43_nphy_rf_ctl_override(struct b43_wldev *dev, u16 field, 185 u16 value, u8 core, bool off) 186{ 187 int i; 188 u8 index = fls(field); 189 u8 addr, en_addr, val_addr; 190 /* we expect only one bit set */ 191 B43_WARN_ON(field & (~(1 << (index - 1)))); 192 193 if (dev->phy.rev >= 3) { 194 const struct nphy_rf_control_override_rev3 *rf_ctrl; 195 for (i = 0; i < 2; i++) { 196 if (index == 0 || index == 16) { 197 b43err(dev->wl, 198 "Unsupported RF Ctrl Override call\n"); 199 return; 200 } 201 202 rf_ctrl = &tbl_rf_control_override_rev3[index - 1]; 203 en_addr = B43_PHY_N((i == 0) ? 204 rf_ctrl->en_addr0 : rf_ctrl->en_addr1); 205 val_addr = B43_PHY_N((i == 0) ? 206 rf_ctrl->val_addr0 : rf_ctrl->val_addr1); 207 208 if (off) { 209 b43_phy_mask(dev, en_addr, ~(field)); 210 b43_phy_mask(dev, val_addr, 211 ~(rf_ctrl->val_mask)); 212 } else { 213 if (core == 0 || ((1 << i) & core)) { 214 b43_phy_set(dev, en_addr, field); 215 b43_phy_maskset(dev, val_addr, 216 ~(rf_ctrl->val_mask), 217 (value << rf_ctrl->val_shift)); 218 } 219 } 220 } 221 } else { 222 const struct nphy_rf_control_override_rev2 *rf_ctrl; 223 if (off) { 224 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~(field)); 225 value = 0; 226 } else { 227 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, field); 228 } 229 230 for (i = 0; i < 2; i++) { 231 if (index <= 1 || index == 16) { 232 b43err(dev->wl, 233 "Unsupported RF Ctrl Override call\n"); 234 return; 235 } 236 237 if (index == 2 || index == 10 || 238 (index >= 13 && index <= 15)) { 239 core = 1; 240 } 241 242 rf_ctrl = &tbl_rf_control_override_rev2[index - 2]; 243 addr = B43_PHY_N((i == 0) ? 244 rf_ctrl->addr0 : rf_ctrl->addr1); 245 246 if ((1 << i) & core) 247 b43_phy_maskset(dev, addr, ~(rf_ctrl->bmask), 248 (value << rf_ctrl->shift)); 249 250 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1); 251 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 252 B43_NPHY_RFCTL_CMD_START); 253 udelay(1); 254 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 0xFFFE); 255 } 256 } 257} 258 259/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RFCtrlIntcOverride */ 260static void b43_nphy_rf_ctl_intc_override(struct b43_wldev *dev, 261 enum n_intc_override intc_override, 262 u16 value, u8 core) 263{ 264 u8 i, j; 265 u16 reg, tmp, val; 266 267 B43_WARN_ON(dev->phy.rev < 3); 268 269 for (i = 0; i < 2; i++) { 270 if ((core == 1 && i == 1) || (core == 2 && !i)) 271 continue; 272 273 reg = (i == 0) ? 274 B43_NPHY_RFCTL_INTC1 : B43_NPHY_RFCTL_INTC2; 275 b43_phy_set(dev, reg, 0x400); 276 277 switch (intc_override) { 278 case N_INTC_OVERRIDE_OFF: 279 b43_phy_write(dev, reg, 0); 280 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 281 break; 282 case N_INTC_OVERRIDE_TRSW: 283 if (!i) { 284 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC1, 285 0xFC3F, (value << 6)); 286 b43_phy_maskset(dev, B43_NPHY_TXF_40CO_B1S1, 287 0xFFFE, 1); 288 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 289 B43_NPHY_RFCTL_CMD_START); 290 for (j = 0; j < 100; j++) { 291 if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_START)) { 292 j = 0; 293 break; 294 } 295 udelay(10); 296 } 297 if (j) 298 b43err(dev->wl, 299 "intc override timeout\n"); 300 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, 301 0xFFFE); 302 } else { 303 b43_phy_maskset(dev, B43_NPHY_RFCTL_INTC2, 304 0xFC3F, (value << 6)); 305 b43_phy_maskset(dev, B43_NPHY_RFCTL_OVER, 306 0xFFFE, 1); 307 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 308 B43_NPHY_RFCTL_CMD_RXTX); 309 for (j = 0; j < 100; j++) { 310 if (!(b43_phy_read(dev, B43_NPHY_RFCTL_CMD) & B43_NPHY_RFCTL_CMD_RXTX)) { 311 j = 0; 312 break; 313 } 314 udelay(10); 315 } 316 if (j) 317 b43err(dev->wl, 318 "intc override timeout\n"); 319 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 320 0xFFFE); 321 } 322 break; 323 case N_INTC_OVERRIDE_PA: 324 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 325 tmp = 0x0020; 326 val = value << 5; 327 } else { 328 tmp = 0x0010; 329 val = value << 4; 330 } 331 b43_phy_maskset(dev, reg, ~tmp, val); 332 break; 333 case N_INTC_OVERRIDE_EXT_LNA_PU: 334 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 335 tmp = 0x0001; 336 val = value; 337 } else { 338 tmp = 0x0004; 339 val = value << 2; 340 } 341 b43_phy_maskset(dev, reg, ~tmp, val); 342 break; 343 case N_INTC_OVERRIDE_EXT_LNA_GAIN: 344 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 345 tmp = 0x0002; 346 val = value << 1; 347 } else { 348 tmp = 0x0008; 349 val = value << 3; 350 } 351 b43_phy_maskset(dev, reg, ~tmp, val); 352 break; 353 } 354 } 355} 356 357/************************************************** 358 * Various PHY ops 359 **************************************************/ 360 361/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ 362static void b43_nphy_write_clip_detection(struct b43_wldev *dev, 363 const u16 *clip_st) 364{ 365 b43_phy_write(dev, B43_NPHY_C1_CLIP1THRES, clip_st[0]); 366 b43_phy_write(dev, B43_NPHY_C2_CLIP1THRES, clip_st[1]); 367} 368 369/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/clip-detection */ 370static void b43_nphy_read_clip_detection(struct b43_wldev *dev, u16 *clip_st) 371{ 372 clip_st[0] = b43_phy_read(dev, B43_NPHY_C1_CLIP1THRES); 373 clip_st[1] = b43_phy_read(dev, B43_NPHY_C2_CLIP1THRES); 374} 375 376/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/classifier */ 377static u16 b43_nphy_classifier(struct b43_wldev *dev, u16 mask, u16 val) 378{ 379 u16 tmp; 380 381 if (dev->dev->core_rev == 16) 382 b43_mac_suspend(dev); 383 384 tmp = b43_phy_read(dev, B43_NPHY_CLASSCTL); 385 tmp &= (B43_NPHY_CLASSCTL_CCKEN | B43_NPHY_CLASSCTL_OFDMEN | 386 B43_NPHY_CLASSCTL_WAITEDEN); 387 tmp &= ~mask; 388 tmp |= (val & mask); 389 b43_phy_maskset(dev, B43_NPHY_CLASSCTL, 0xFFF8, tmp); 390 391 if (dev->dev->core_rev == 16) 392 b43_mac_enable(dev); 393 394 return tmp; 395} 396 397/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CCA */ 398static void b43_nphy_reset_cca(struct b43_wldev *dev) 399{ 400 u16 bbcfg; 401 402 b43_phy_force_clock(dev, 1); 403 bbcfg = b43_phy_read(dev, B43_NPHY_BBCFG); 404 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg | B43_NPHY_BBCFG_RSTCCA); 405 udelay(1); 406 b43_phy_write(dev, B43_NPHY_BBCFG, bbcfg & ~B43_NPHY_BBCFG_RSTCCA); 407 b43_phy_force_clock(dev, 0); 408 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 409} 410 411/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/carriersearch */ 412static void b43_nphy_stay_in_carrier_search(struct b43_wldev *dev, bool enable) 413{ 414 struct b43_phy *phy = &dev->phy; 415 struct b43_phy_n *nphy = phy->n; 416 417 if (enable) { 418 static const u16 clip[] = { 0xFFFF, 0xFFFF }; 419 if (nphy->deaf_count++ == 0) { 420 nphy->classifier_state = b43_nphy_classifier(dev, 0, 0); 421 b43_nphy_classifier(dev, 0x7, 0); 422 b43_nphy_read_clip_detection(dev, nphy->clip_state); 423 b43_nphy_write_clip_detection(dev, clip); 424 } 425 b43_nphy_reset_cca(dev); 426 } else { 427 if (--nphy->deaf_count == 0) { 428 b43_nphy_classifier(dev, 0x7, nphy->classifier_state); 429 b43_nphy_write_clip_detection(dev, nphy->clip_state); 430 } 431 } 432} 433 434/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/AdjustLnaGainTbl */ 435static void b43_nphy_adjust_lna_gain_table(struct b43_wldev *dev) 436{ 437 struct b43_phy_n *nphy = dev->phy.n; 438 439 u8 i; 440 s16 tmp; 441 u16 data[4]; 442 s16 gain[2]; 443 u16 minmax[2]; 444 static const u16 lna_gain[4] = { -2, 10, 19, 25 }; 445 446 if (nphy->hang_avoid) 447 b43_nphy_stay_in_carrier_search(dev, 1); 448 449 if (nphy->gain_boost) { 450 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 451 gain[0] = 6; 452 gain[1] = 6; 453 } else { 454 tmp = 40370 - 315 * dev->phy.channel; 455 gain[0] = ((tmp >> 13) + ((tmp >> 12) & 1)); 456 tmp = 23242 - 224 * dev->phy.channel; 457 gain[1] = ((tmp >> 13) + ((tmp >> 12) & 1)); 458 } 459 } else { 460 gain[0] = 0; 461 gain[1] = 0; 462 } 463 464 for (i = 0; i < 2; i++) { 465 if (nphy->elna_gain_config) { 466 data[0] = 19 + gain[i]; 467 data[1] = 25 + gain[i]; 468 data[2] = 25 + gain[i]; 469 data[3] = 25 + gain[i]; 470 } else { 471 data[0] = lna_gain[0] + gain[i]; 472 data[1] = lna_gain[1] + gain[i]; 473 data[2] = lna_gain[2] + gain[i]; 474 data[3] = lna_gain[3] + gain[i]; 475 } 476 b43_ntab_write_bulk(dev, B43_NTAB16(i, 8), 4, data); 477 478 minmax[i] = 23 + gain[i]; 479 } 480 481 b43_phy_maskset(dev, B43_NPHY_C1_MINMAX_GAIN, ~B43_NPHY_C1_MINGAIN, 482 minmax[0] << B43_NPHY_C1_MINGAIN_SHIFT); 483 b43_phy_maskset(dev, B43_NPHY_C2_MINMAX_GAIN, ~B43_NPHY_C2_MINGAIN, 484 minmax[1] << B43_NPHY_C2_MINGAIN_SHIFT); 485 486 if (nphy->hang_avoid) 487 b43_nphy_stay_in_carrier_search(dev, 0); 488} 489 490/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRfSeq */ 491static void b43_nphy_set_rf_sequence(struct b43_wldev *dev, u8 cmd, 492 u8 *events, u8 *delays, u8 length) 493{ 494 struct b43_phy_n *nphy = dev->phy.n; 495 u8 i; 496 u8 end = (dev->phy.rev >= 3) ? 0x1F : 0x0F; 497 u16 offset1 = cmd << 4; 498 u16 offset2 = offset1 + 0x80; 499 500 if (nphy->hang_avoid) 501 b43_nphy_stay_in_carrier_search(dev, true); 502 503 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset1), length, events); 504 b43_ntab_write_bulk(dev, B43_NTAB8(7, offset2), length, delays); 505 506 for (i = length; i < 16; i++) { 507 b43_ntab_write(dev, B43_NTAB8(7, offset1 + i), end); 508 b43_ntab_write(dev, B43_NTAB8(7, offset2 + i), 1); 509 } 510 511 if (nphy->hang_avoid) 512 b43_nphy_stay_in_carrier_search(dev, false); 513} 514 515/************************************************** 516 * Radio 0x2057 517 **************************************************/ 518 519/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rcal */ 520static u8 b43_radio_2057_rcal(struct b43_wldev *dev) 521{ 522 struct b43_phy *phy = &dev->phy; 523 u16 tmp; 524 525 if (phy->radio_rev == 5) { 526 b43_phy_mask(dev, 0x342, ~0x2); 527 udelay(10); 528 b43_radio_set(dev, R2057_IQTEST_SEL_PU, 0x1); 529 b43_radio_maskset(dev, 0x1ca, ~0x2, 0x1); 530 } 531 532 b43_radio_set(dev, R2057_RCAL_CONFIG, 0x1); 533 udelay(10); 534 b43_radio_set(dev, R2057_RCAL_CONFIG, 0x3); 535 if (!b43_radio_wait_value(dev, R2057_RCCAL_N1_1, 1, 1, 100, 1000000)) { 536 b43err(dev->wl, "Radio 0x2057 rcal timeout\n"); 537 return 0; 538 } 539 b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x2); 540 tmp = b43_radio_read(dev, R2057_RCAL_STATUS) & 0x3E; 541 b43_radio_mask(dev, R2057_RCAL_CONFIG, ~0x1); 542 543 if (phy->radio_rev == 5) { 544 b43_radio_mask(dev, R2057_IPA2G_CASCONV_CORE0, ~0x1); 545 b43_radio_mask(dev, 0x1ca, ~0x2); 546 } 547 if (phy->radio_rev <= 4 || phy->radio_rev == 6) { 548 b43_radio_maskset(dev, R2057_TEMPSENSE_CONFIG, ~0x3C, tmp); 549 b43_radio_maskset(dev, R2057_BANDGAP_RCAL_TRIM, ~0xF0, 550 tmp << 2); 551 } 552 553 return tmp & 0x3e; 554} 555 556/* http://bcm-v4.sipsolutions.net/PHY/radio2057_rccal */ 557static u16 b43_radio_2057_rccal(struct b43_wldev *dev) 558{ 559 struct b43_phy *phy = &dev->phy; 560 bool special = (phy->radio_rev == 3 || phy->radio_rev == 4 || 561 phy->radio_rev == 6); 562 u16 tmp; 563 564 if (special) { 565 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x61); 566 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xC0); 567 } else { 568 b43_radio_write(dev, 0x1AE, 0x61); 569 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xE1); 570 } 571 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E); 572 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55); 573 if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500, 574 5000000)) 575 b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n"); 576 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15); 577 if (special) { 578 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x69); 579 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0); 580 } else { 581 b43_radio_write(dev, 0x1AE, 0x69); 582 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xD5); 583 } 584 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E); 585 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55); 586 if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500, 587 5000000)) 588 b43dbg(dev->wl, "Radio 0x2057 rccal timeout\n"); 589 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15); 590 if (special) { 591 b43_radio_write(dev, R2057_RCCAL_MASTER, 0x73); 592 b43_radio_write(dev, R2057_RCCAL_X1, 0x28); 593 b43_radio_write(dev, R2057_RCCAL_TRC0, 0xB0); 594 } else { 595 b43_radio_write(dev, 0x1AE, 0x73); 596 b43_radio_write(dev, R2057_RCCAL_X1, 0x6E); 597 b43_radio_write(dev, R2057_RCCAL_TRC0, 0x99); 598 } 599 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x55); 600 if (!b43_radio_wait_value(dev, R2057_RCCAL_DONE_OSCCAP, 1, 1, 500, 601 5000000)) { 602 b43err(dev->wl, "Radio 0x2057 rcal timeout\n"); 603 return 0; 604 } 605 tmp = b43_radio_read(dev, R2057_RCCAL_DONE_OSCCAP); 606 b43_radio_write(dev, R2057_RCCAL_START_R1_Q1_P1, 0x15); 607 return tmp; 608} 609 610static void b43_radio_2057_init_pre(struct b43_wldev *dev) 611{ 612 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_CHIP0PU); 613 /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */ 614 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_OEPORFORCE); 615 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, ~B43_NPHY_RFCTL_CMD_OEPORFORCE); 616 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_CHIP0PU); 617} 618 619static void b43_radio_2057_init_post(struct b43_wldev *dev) 620{ 621 b43_radio_set(dev, R2057_XTALPUOVR_PINCTRL, 0x1); 622 623 b43_radio_set(dev, R2057_RFPLL_MISC_CAL_RESETN, 0x78); 624 b43_radio_set(dev, R2057_XTAL_CONFIG2, 0x80); 625 mdelay(2); 626 b43_radio_mask(dev, R2057_RFPLL_MISC_CAL_RESETN, ~0x78); 627 b43_radio_mask(dev, R2057_XTAL_CONFIG2, ~0x80); 628 629 if (dev->phy.n->init_por) { 630 b43_radio_2057_rcal(dev); 631 b43_radio_2057_rccal(dev); 632 } 633 b43_radio_mask(dev, R2057_RFPLL_MASTER, ~0x8); 634 635 dev->phy.n->init_por = false; 636} 637 638/* http://bcm-v4.sipsolutions.net/802.11/Radio/2057/Init */ 639static void b43_radio_2057_init(struct b43_wldev *dev) 640{ 641 b43_radio_2057_init_pre(dev); 642 r2057_upload_inittabs(dev); 643 b43_radio_2057_init_post(dev); 644} 645 646/************************************************** 647 * Radio 0x2056 648 **************************************************/ 649 650static void b43_chantab_radio_2056_upload(struct b43_wldev *dev, 651 const struct b43_nphy_channeltab_entry_rev3 *e) 652{ 653 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL1, e->radio_syn_pll_vcocal1); 654 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL2, e->radio_syn_pll_vcocal2); 655 b43_radio_write(dev, B2056_SYN_PLL_REFDIV, e->radio_syn_pll_refdiv); 656 b43_radio_write(dev, B2056_SYN_PLL_MMD2, e->radio_syn_pll_mmd2); 657 b43_radio_write(dev, B2056_SYN_PLL_MMD1, e->radio_syn_pll_mmd1); 658 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 659 e->radio_syn_pll_loopfilter1); 660 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 661 e->radio_syn_pll_loopfilter2); 662 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER3, 663 e->radio_syn_pll_loopfilter3); 664 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 665 e->radio_syn_pll_loopfilter4); 666 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER5, 667 e->radio_syn_pll_loopfilter5); 668 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR27, 669 e->radio_syn_reserved_addr27); 670 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR28, 671 e->radio_syn_reserved_addr28); 672 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR29, 673 e->radio_syn_reserved_addr29); 674 b43_radio_write(dev, B2056_SYN_LOGEN_VCOBUF1, 675 e->radio_syn_logen_vcobuf1); 676 b43_radio_write(dev, B2056_SYN_LOGEN_MIXER2, e->radio_syn_logen_mixer2); 677 b43_radio_write(dev, B2056_SYN_LOGEN_BUF3, e->radio_syn_logen_buf3); 678 b43_radio_write(dev, B2056_SYN_LOGEN_BUF4, e->radio_syn_logen_buf4); 679 680 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA_TUNE, 681 e->radio_rx0_lnaa_tune); 682 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG_TUNE, 683 e->radio_rx0_lnag_tune); 684 685 b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAA_BOOST_TUNE, 686 e->radio_tx0_intpaa_boost_tune); 687 b43_radio_write(dev, B2056_TX0 | B2056_TX_INTPAG_BOOST_TUNE, 688 e->radio_tx0_intpag_boost_tune); 689 b43_radio_write(dev, B2056_TX0 | B2056_TX_PADA_BOOST_TUNE, 690 e->radio_tx0_pada_boost_tune); 691 b43_radio_write(dev, B2056_TX0 | B2056_TX_PADG_BOOST_TUNE, 692 e->radio_tx0_padg_boost_tune); 693 b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAA_BOOST_TUNE, 694 e->radio_tx0_pgaa_boost_tune); 695 b43_radio_write(dev, B2056_TX0 | B2056_TX_PGAG_BOOST_TUNE, 696 e->radio_tx0_pgag_boost_tune); 697 b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXA_BOOST_TUNE, 698 e->radio_tx0_mixa_boost_tune); 699 b43_radio_write(dev, B2056_TX0 | B2056_TX_MIXG_BOOST_TUNE, 700 e->radio_tx0_mixg_boost_tune); 701 702 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA_TUNE, 703 e->radio_rx1_lnaa_tune); 704 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG_TUNE, 705 e->radio_rx1_lnag_tune); 706 707 b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAA_BOOST_TUNE, 708 e->radio_tx1_intpaa_boost_tune); 709 b43_radio_write(dev, B2056_TX1 | B2056_TX_INTPAG_BOOST_TUNE, 710 e->radio_tx1_intpag_boost_tune); 711 b43_radio_write(dev, B2056_TX1 | B2056_TX_PADA_BOOST_TUNE, 712 e->radio_tx1_pada_boost_tune); 713 b43_radio_write(dev, B2056_TX1 | B2056_TX_PADG_BOOST_TUNE, 714 e->radio_tx1_padg_boost_tune); 715 b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAA_BOOST_TUNE, 716 e->radio_tx1_pgaa_boost_tune); 717 b43_radio_write(dev, B2056_TX1 | B2056_TX_PGAG_BOOST_TUNE, 718 e->radio_tx1_pgag_boost_tune); 719 b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXA_BOOST_TUNE, 720 e->radio_tx1_mixa_boost_tune); 721 b43_radio_write(dev, B2056_TX1 | B2056_TX_MIXG_BOOST_TUNE, 722 e->radio_tx1_mixg_boost_tune); 723} 724 725/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2056Setup */ 726static void b43_radio_2056_setup(struct b43_wldev *dev, 727 const struct b43_nphy_channeltab_entry_rev3 *e) 728{ 729 struct ssb_sprom *sprom = dev->dev->bus_sprom; 730 enum ieee80211_band band = b43_current_band(dev->wl); 731 u16 offset; 732 u8 i; 733 u16 bias, cbias; 734 u16 pag_boost, padg_boost, pgag_boost, mixg_boost; 735 u16 paa_boost, pada_boost, pgaa_boost, mixa_boost; 736 737 B43_WARN_ON(dev->phy.rev < 3); 738 739 b43_chantab_radio_2056_upload(dev, e); 740 b2056_upload_syn_pll_cp2(dev, band == IEEE80211_BAND_5GHZ); 741 742 if (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR && 743 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 744 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F); 745 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F); 746 if (dev->dev->chip_id == 0x4716) { 747 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x14); 748 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0); 749 } else { 750 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x0B); 751 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x14); 752 } 753 } 754 if (sprom->boardflags2_lo & B43_BFL2_APLL_WAR && 755 b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 756 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER1, 0x1F); 757 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER2, 0x1F); 758 b43_radio_write(dev, B2056_SYN_PLL_LOOPFILTER4, 0x05); 759 b43_radio_write(dev, B2056_SYN_PLL_CP2, 0x0C); 760 } 761 762 if (dev->phy.n->ipa2g_on && band == IEEE80211_BAND_2GHZ) { 763 for (i = 0; i < 2; i++) { 764 offset = i ? B2056_TX1 : B2056_TX0; 765 if (dev->phy.rev >= 5) { 766 b43_radio_write(dev, 767 offset | B2056_TX_PADG_IDAC, 0xcc); 768 769 if (dev->dev->chip_id == 0x4716) { 770 bias = 0x40; 771 cbias = 0x45; 772 pag_boost = 0x5; 773 pgag_boost = 0x33; 774 mixg_boost = 0x55; 775 } else { 776 bias = 0x25; 777 cbias = 0x20; 778 pag_boost = 0x4; 779 pgag_boost = 0x03; 780 mixg_boost = 0x65; 781 } 782 padg_boost = 0x77; 783 784 b43_radio_write(dev, 785 offset | B2056_TX_INTPAG_IMAIN_STAT, 786 bias); 787 b43_radio_write(dev, 788 offset | B2056_TX_INTPAG_IAUX_STAT, 789 bias); 790 b43_radio_write(dev, 791 offset | B2056_TX_INTPAG_CASCBIAS, 792 cbias); 793 b43_radio_write(dev, 794 offset | B2056_TX_INTPAG_BOOST_TUNE, 795 pag_boost); 796 b43_radio_write(dev, 797 offset | B2056_TX_PGAG_BOOST_TUNE, 798 pgag_boost); 799 b43_radio_write(dev, 800 offset | B2056_TX_PADG_BOOST_TUNE, 801 padg_boost); 802 b43_radio_write(dev, 803 offset | B2056_TX_MIXG_BOOST_TUNE, 804 mixg_boost); 805 } else { 806 bias = dev->phy.is_40mhz ? 0x40 : 0x20; 807 b43_radio_write(dev, 808 offset | B2056_TX_INTPAG_IMAIN_STAT, 809 bias); 810 b43_radio_write(dev, 811 offset | B2056_TX_INTPAG_IAUX_STAT, 812 bias); 813 b43_radio_write(dev, 814 offset | B2056_TX_INTPAG_CASCBIAS, 815 0x30); 816 } 817 b43_radio_write(dev, offset | B2056_TX_PA_SPARE1, 0xee); 818 } 819 } else if (dev->phy.n->ipa5g_on && band == IEEE80211_BAND_5GHZ) { 820 u16 freq = dev->phy.channel_freq; 821 if (freq < 5100) { 822 paa_boost = 0xA; 823 pada_boost = 0x77; 824 pgaa_boost = 0xF; 825 mixa_boost = 0xF; 826 } else if (freq < 5340) { 827 paa_boost = 0x8; 828 pada_boost = 0x77; 829 pgaa_boost = 0xFB; 830 mixa_boost = 0xF; 831 } else if (freq < 5650) { 832 paa_boost = 0x0; 833 pada_boost = 0x77; 834 pgaa_boost = 0xB; 835 mixa_boost = 0xF; 836 } else { 837 paa_boost = 0x0; 838 pada_boost = 0x77; 839 if (freq != 5825) 840 pgaa_boost = -(freq - 18) / 36 + 168; 841 else 842 pgaa_boost = 6; 843 mixa_boost = 0xF; 844 } 845 846 for (i = 0; i < 2; i++) { 847 offset = i ? B2056_TX1 : B2056_TX0; 848 849 b43_radio_write(dev, 850 offset | B2056_TX_INTPAA_BOOST_TUNE, paa_boost); 851 b43_radio_write(dev, 852 offset | B2056_TX_PADA_BOOST_TUNE, pada_boost); 853 b43_radio_write(dev, 854 offset | B2056_TX_PGAA_BOOST_TUNE, pgaa_boost); 855 b43_radio_write(dev, 856 offset | B2056_TX_MIXA_BOOST_TUNE, mixa_boost); 857 b43_radio_write(dev, 858 offset | B2056_TX_TXSPARE1, 0x30); 859 b43_radio_write(dev, 860 offset | B2056_TX_PA_SPARE2, 0xee); 861 b43_radio_write(dev, 862 offset | B2056_TX_PADA_CASCBIAS, 0x03); 863 b43_radio_write(dev, 864 offset | B2056_TX_INTPAA_IAUX_STAT, 0x50); 865 b43_radio_write(dev, 866 offset | B2056_TX_INTPAA_IMAIN_STAT, 0x50); 867 b43_radio_write(dev, 868 offset | B2056_TX_INTPAA_CASCBIAS, 0x30); 869 } 870 } 871 872 udelay(50); 873 /* VCO calibration */ 874 b43_radio_write(dev, B2056_SYN_PLL_VCOCAL12, 0x00); 875 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38); 876 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x18); 877 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x38); 878 b43_radio_write(dev, B2056_TX_INTPAA_PA_MISC, 0x39); 879 udelay(300); 880} 881 882static u8 b43_radio_2056_rcal(struct b43_wldev *dev) 883{ 884 struct b43_phy *phy = &dev->phy; 885 u16 mast2, tmp; 886 887 if (phy->rev != 3) 888 return 0; 889 890 mast2 = b43_radio_read(dev, B2056_SYN_PLL_MAST2); 891 b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2 | 0x7); 892 893 udelay(10); 894 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01); 895 udelay(10); 896 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x09); 897 898 if (!b43_radio_wait_value(dev, B2056_SYN_RCAL_CODE_OUT, 0x80, 0x80, 100, 899 1000000)) { 900 b43err(dev->wl, "Radio recalibration timeout\n"); 901 return 0; 902 } 903 904 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x01); 905 tmp = b43_radio_read(dev, B2056_SYN_RCAL_CODE_OUT); 906 b43_radio_write(dev, B2056_SYN_RCAL_MASTER, 0x00); 907 908 b43_radio_write(dev, B2056_SYN_PLL_MAST2, mast2); 909 910 return tmp & 0x1f; 911} 912 913static void b43_radio_init2056_pre(struct b43_wldev *dev) 914{ 915 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, 916 ~B43_NPHY_RFCTL_CMD_CHIP0PU); 917 /* Maybe wl meant to reset and set (order?) RFCTL_CMD_OEPORFORCE? */ 918 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, 919 B43_NPHY_RFCTL_CMD_OEPORFORCE); 920 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 921 ~B43_NPHY_RFCTL_CMD_OEPORFORCE); 922 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 923 B43_NPHY_RFCTL_CMD_CHIP0PU); 924} 925 926static void b43_radio_init2056_post(struct b43_wldev *dev) 927{ 928 b43_radio_set(dev, B2056_SYN_COM_CTRL, 0xB); 929 b43_radio_set(dev, B2056_SYN_COM_PU, 0x2); 930 b43_radio_set(dev, B2056_SYN_COM_RESET, 0x2); 931 msleep(1); 932 b43_radio_mask(dev, B2056_SYN_COM_RESET, ~0x2); 933 b43_radio_mask(dev, B2056_SYN_PLL_MAST2, ~0xFC); 934 b43_radio_mask(dev, B2056_SYN_RCCAL_CTRL0, ~0x1); 935 if (dev->phy.n->init_por) 936 b43_radio_2056_rcal(dev); 937} 938 939/* 940 * Initialize a Broadcom 2056 N-radio 941 * http://bcm-v4.sipsolutions.net/802.11/Radio/2056/Init 942 */ 943static void b43_radio_init2056(struct b43_wldev *dev) 944{ 945 b43_radio_init2056_pre(dev); 946 b2056_upload_inittabs(dev, 0, 0); 947 b43_radio_init2056_post(dev); 948 949 dev->phy.n->init_por = false; 950} 951 952/************************************************** 953 * Radio 0x2055 954 **************************************************/ 955 956static void b43_chantab_radio_upload(struct b43_wldev *dev, 957 const struct b43_nphy_channeltab_entry_rev2 *e) 958{ 959 b43_radio_write(dev, B2055_PLL_REF, e->radio_pll_ref); 960 b43_radio_write(dev, B2055_RF_PLLMOD0, e->radio_rf_pllmod0); 961 b43_radio_write(dev, B2055_RF_PLLMOD1, e->radio_rf_pllmod1); 962 b43_radio_write(dev, B2055_VCO_CAPTAIL, e->radio_vco_captail); 963 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ 964 965 b43_radio_write(dev, B2055_VCO_CAL1, e->radio_vco_cal1); 966 b43_radio_write(dev, B2055_VCO_CAL2, e->radio_vco_cal2); 967 b43_radio_write(dev, B2055_PLL_LFC1, e->radio_pll_lfc1); 968 b43_radio_write(dev, B2055_PLL_LFR1, e->radio_pll_lfr1); 969 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ 970 971 b43_radio_write(dev, B2055_PLL_LFC2, e->radio_pll_lfc2); 972 b43_radio_write(dev, B2055_LGBUF_CENBUF, e->radio_lgbuf_cenbuf); 973 b43_radio_write(dev, B2055_LGEN_TUNE1, e->radio_lgen_tune1); 974 b43_radio_write(dev, B2055_LGEN_TUNE2, e->radio_lgen_tune2); 975 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ 976 977 b43_radio_write(dev, B2055_C1_LGBUF_ATUNE, e->radio_c1_lgbuf_atune); 978 b43_radio_write(dev, B2055_C1_LGBUF_GTUNE, e->radio_c1_lgbuf_gtune); 979 b43_radio_write(dev, B2055_C1_RX_RFR1, e->radio_c1_rx_rfr1); 980 b43_radio_write(dev, B2055_C1_TX_PGAPADTN, e->radio_c1_tx_pgapadtn); 981 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ 982 983 b43_radio_write(dev, B2055_C1_TX_MXBGTRIM, e->radio_c1_tx_mxbgtrim); 984 b43_radio_write(dev, B2055_C2_LGBUF_ATUNE, e->radio_c2_lgbuf_atune); 985 b43_radio_write(dev, B2055_C2_LGBUF_GTUNE, e->radio_c2_lgbuf_gtune); 986 b43_radio_write(dev, B2055_C2_RX_RFR1, e->radio_c2_rx_rfr1); 987 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ 988 989 b43_radio_write(dev, B2055_C2_TX_PGAPADTN, e->radio_c2_tx_pgapadtn); 990 b43_radio_write(dev, B2055_C2_TX_MXBGTRIM, e->radio_c2_tx_mxbgtrim); 991} 992 993/* http://bcm-v4.sipsolutions.net/802.11/PHY/Radio/2055Setup */ 994static void b43_radio_2055_setup(struct b43_wldev *dev, 995 const struct b43_nphy_channeltab_entry_rev2 *e) 996{ 997 B43_WARN_ON(dev->phy.rev >= 3); 998 999 b43_chantab_radio_upload(dev, e); 1000 udelay(50); 1001 b43_radio_write(dev, B2055_VCO_CAL10, 0x05); 1002 b43_radio_write(dev, B2055_VCO_CAL10, 0x45); 1003 b43_read32(dev, B43_MMIO_MACCTL); /* flush writes */ 1004 b43_radio_write(dev, B2055_VCO_CAL10, 0x65); 1005 udelay(300); 1006} 1007 1008static void b43_radio_init2055_pre(struct b43_wldev *dev) 1009{ 1010 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, 1011 ~B43_NPHY_RFCTL_CMD_PORFORCE); 1012 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 1013 B43_NPHY_RFCTL_CMD_CHIP0PU | 1014 B43_NPHY_RFCTL_CMD_OEPORFORCE); 1015 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 1016 B43_NPHY_RFCTL_CMD_PORFORCE); 1017} 1018 1019static void b43_radio_init2055_post(struct b43_wldev *dev) 1020{ 1021 struct b43_phy_n *nphy = dev->phy.n; 1022 struct ssb_sprom *sprom = dev->dev->bus_sprom; 1023 bool workaround = false; 1024 1025 if (sprom->revision < 4) 1026 workaround = (dev->dev->board_vendor != PCI_VENDOR_ID_BROADCOM 1027 && dev->dev->board_type == SSB_BOARD_CB2_4321 1028 && dev->dev->board_rev >= 0x41); 1029 else 1030 workaround = 1031 !(sprom->boardflags2_lo & B43_BFL2_RXBB_INT_REG_DIS); 1032 1033 b43_radio_mask(dev, B2055_MASTER1, 0xFFF3); 1034 if (workaround) { 1035 b43_radio_mask(dev, B2055_C1_RX_BB_REG, 0x7F); 1036 b43_radio_mask(dev, B2055_C2_RX_BB_REG, 0x7F); 1037 } 1038 b43_radio_maskset(dev, B2055_RRCCAL_NOPTSEL, 0xFFC0, 0x2C); 1039 b43_radio_write(dev, B2055_CAL_MISC, 0x3C); 1040 b43_radio_mask(dev, B2055_CAL_MISC, 0xFFBE); 1041 b43_radio_set(dev, B2055_CAL_LPOCTL, 0x80); 1042 b43_radio_set(dev, B2055_CAL_MISC, 0x1); 1043 msleep(1); 1044 b43_radio_set(dev, B2055_CAL_MISC, 0x40); 1045 if (!b43_radio_wait_value(dev, B2055_CAL_COUT2, 0x80, 0x80, 10, 2000)) 1046 b43err(dev->wl, "radio post init timeout\n"); 1047 b43_radio_mask(dev, B2055_CAL_LPOCTL, 0xFF7F); 1048 b43_switch_channel(dev, dev->phy.channel); 1049 b43_radio_write(dev, B2055_C1_RX_BB_LPF, 0x9); 1050 b43_radio_write(dev, B2055_C2_RX_BB_LPF, 0x9); 1051 b43_radio_write(dev, B2055_C1_RX_BB_MIDACHP, 0x83); 1052 b43_radio_write(dev, B2055_C2_RX_BB_MIDACHP, 0x83); 1053 b43_radio_maskset(dev, B2055_C1_LNA_GAINBST, 0xFFF8, 0x6); 1054 b43_radio_maskset(dev, B2055_C2_LNA_GAINBST, 0xFFF8, 0x6); 1055 if (!nphy->gain_boost) { 1056 b43_radio_set(dev, B2055_C1_RX_RFSPC1, 0x2); 1057 b43_radio_set(dev, B2055_C2_RX_RFSPC1, 0x2); 1058 } else { 1059 b43_radio_mask(dev, B2055_C1_RX_RFSPC1, 0xFFFD); 1060 b43_radio_mask(dev, B2055_C2_RX_RFSPC1, 0xFFFD); 1061 } 1062 udelay(2); 1063} 1064 1065/* 1066 * Initialize a Broadcom 2055 N-radio 1067 * http://bcm-v4.sipsolutions.net/802.11/Radio/2055/Init 1068 */ 1069static void b43_radio_init2055(struct b43_wldev *dev) 1070{ 1071 b43_radio_init2055_pre(dev); 1072 if (b43_status(dev) < B43_STAT_INITIALIZED) { 1073 /* Follow wl, not specs. Do not force uploading all regs */ 1074 b2055_upload_inittab(dev, 0, 0); 1075 } else { 1076 bool ghz5 = b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ; 1077 b2055_upload_inittab(dev, ghz5, 0); 1078 } 1079 b43_radio_init2055_post(dev); 1080} 1081 1082/************************************************** 1083 * Samples 1084 **************************************************/ 1085 1086/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/LoadSampleTable */ 1087static int b43_nphy_load_samples(struct b43_wldev *dev, 1088 struct b43_c32 *samples, u16 len) { 1089 struct b43_phy_n *nphy = dev->phy.n; 1090 u16 i; 1091 u32 *data; 1092 1093 data = kzalloc(len * sizeof(u32), GFP_KERNEL); 1094 if (!data) { 1095 b43err(dev->wl, "allocation for samples loading failed\n"); 1096 return -ENOMEM; 1097 } 1098 if (nphy->hang_avoid) 1099 b43_nphy_stay_in_carrier_search(dev, 1); 1100 1101 for (i = 0; i < len; i++) { 1102 data[i] = (samples[i].i & 0x3FF << 10); 1103 data[i] |= samples[i].q & 0x3FF; 1104 } 1105 b43_ntab_write_bulk(dev, B43_NTAB32(17, 0), len, data); 1106 1107 kfree(data); 1108 if (nphy->hang_avoid) 1109 b43_nphy_stay_in_carrier_search(dev, 0); 1110 return 0; 1111} 1112 1113/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GenLoadSamples */ 1114static u16 b43_nphy_gen_load_samples(struct b43_wldev *dev, u32 freq, u16 max, 1115 bool test) 1116{ 1117 int i; 1118 u16 bw, len, rot, angle; 1119 struct b43_c32 *samples; 1120 1121 1122 bw = (dev->phy.is_40mhz) ? 40 : 20; 1123 len = bw << 3; 1124 1125 if (test) { 1126 if (b43_phy_read(dev, B43_NPHY_BBCFG) & B43_NPHY_BBCFG_RSTRX) 1127 bw = 82; 1128 else 1129 bw = 80; 1130 1131 if (dev->phy.is_40mhz) 1132 bw <<= 1; 1133 1134 len = bw << 1; 1135 } 1136 1137 samples = kcalloc(len, sizeof(struct b43_c32), GFP_KERNEL); 1138 if (!samples) { 1139 b43err(dev->wl, "allocation for samples generation failed\n"); 1140 return 0; 1141 } 1142 rot = (((freq * 36) / bw) << 16) / 100; 1143 angle = 0; 1144 1145 for (i = 0; i < len; i++) { 1146 samples[i] = b43_cordic(angle); 1147 angle += rot; 1148 samples[i].q = CORDIC_CONVERT(samples[i].q * max); 1149 samples[i].i = CORDIC_CONVERT(samples[i].i * max); 1150 } 1151 1152 i = b43_nphy_load_samples(dev, samples, len); 1153 kfree(samples); 1154 return (i < 0) ? 0 : len; 1155} 1156 1157/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RunSamples */ 1158static void b43_nphy_run_samples(struct b43_wldev *dev, u16 samps, u16 loops, 1159 u16 wait, bool iqmode, bool dac_test) 1160{ 1161 struct b43_phy_n *nphy = dev->phy.n; 1162 int i; 1163 u16 seq_mode; 1164 u32 tmp; 1165 1166 if (nphy->hang_avoid) 1167 b43_nphy_stay_in_carrier_search(dev, true); 1168 1169 if ((nphy->bb_mult_save & 0x80000000) == 0) { 1170 tmp = b43_ntab_read(dev, B43_NTAB16(15, 87)); 1171 nphy->bb_mult_save = (tmp & 0xFFFF) | 0x80000000; 1172 } 1173 1174 if (!dev->phy.is_40mhz) 1175 tmp = 0x6464; 1176 else 1177 tmp = 0x4747; 1178 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); 1179 1180 if (nphy->hang_avoid) 1181 b43_nphy_stay_in_carrier_search(dev, false); 1182 1183 b43_phy_write(dev, B43_NPHY_SAMP_DEPCNT, (samps - 1)); 1184 1185 if (loops != 0xFFFF) 1186 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, (loops - 1)); 1187 else 1188 b43_phy_write(dev, B43_NPHY_SAMP_LOOPCNT, loops); 1189 1190 b43_phy_write(dev, B43_NPHY_SAMP_WAITCNT, wait); 1191 1192 seq_mode = b43_phy_read(dev, B43_NPHY_RFSEQMODE); 1193 1194 b43_phy_set(dev, B43_NPHY_RFSEQMODE, B43_NPHY_RFSEQMODE_CAOVER); 1195 if (iqmode) { 1196 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF); 1197 b43_phy_set(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8000); 1198 } else { 1199 if (dac_test) 1200 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 5); 1201 else 1202 b43_phy_write(dev, B43_NPHY_SAMP_CMD, 1); 1203 } 1204 for (i = 0; i < 100; i++) { 1205 if (!(b43_phy_read(dev, B43_NPHY_RFSEQST) & 1)) { 1206 i = 0; 1207 break; 1208 } 1209 udelay(10); 1210 } 1211 if (i) 1212 b43err(dev->wl, "run samples timeout\n"); 1213 1214 b43_phy_write(dev, B43_NPHY_RFSEQMODE, seq_mode); 1215} 1216 1217/************************************************** 1218 * RSSI 1219 **************************************************/ 1220 1221/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ScaleOffsetRssi */ 1222static void b43_nphy_scale_offset_rssi(struct b43_wldev *dev, u16 scale, 1223 s8 offset, u8 core, 1224 enum n_rail_type rail, 1225 enum n_rssi_type rssi_type) 1226{ 1227 u16 tmp; 1228 bool core1or5 = (core == 1) || (core == 5); 1229 bool core2or5 = (core == 2) || (core == 5); 1230 1231 offset = clamp_val(offset, -32, 31); 1232 tmp = ((scale & 0x3F) << 8) | (offset & 0x3F); 1233 1234 switch (rssi_type) { 1235 case N_RSSI_NB: 1236 if (core1or5 && rail == N_RAIL_I) 1237 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, tmp); 1238 if (core1or5 && rail == N_RAIL_Q) 1239 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, tmp); 1240 if (core2or5 && rail == N_RAIL_I) 1241 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, tmp); 1242 if (core2or5 && rail == N_RAIL_Q) 1243 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, tmp); 1244 break; 1245 case N_RSSI_W1: 1246 if (core1or5 && rail == N_RAIL_I) 1247 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, tmp); 1248 if (core1or5 && rail == N_RAIL_Q) 1249 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, tmp); 1250 if (core2or5 && rail == N_RAIL_I) 1251 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, tmp); 1252 if (core2or5 && rail == N_RAIL_Q) 1253 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, tmp); 1254 break; 1255 case N_RSSI_W2: 1256 if (core1or5 && rail == N_RAIL_I) 1257 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, tmp); 1258 if (core1or5 && rail == N_RAIL_Q) 1259 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, tmp); 1260 if (core2or5 && rail == N_RAIL_I) 1261 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, tmp); 1262 if (core2or5 && rail == N_RAIL_Q) 1263 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, tmp); 1264 break; 1265 case N_RSSI_TBD: 1266 if (core1or5 && rail == N_RAIL_I) 1267 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TBD, tmp); 1268 if (core1or5 && rail == N_RAIL_Q) 1269 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TBD, tmp); 1270 if (core2or5 && rail == N_RAIL_I) 1271 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TBD, tmp); 1272 if (core2or5 && rail == N_RAIL_Q) 1273 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TBD, tmp); 1274 break; 1275 case N_RSSI_IQ: 1276 if (core1or5 && rail == N_RAIL_I) 1277 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_PWRDET, tmp); 1278 if (core1or5 && rail == N_RAIL_Q) 1279 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_PWRDET, tmp); 1280 if (core2or5 && rail == N_RAIL_I) 1281 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_PWRDET, tmp); 1282 if (core2or5 && rail == N_RAIL_Q) 1283 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_PWRDET, tmp); 1284 break; 1285 case N_RSSI_TSSI_2G: 1286 if (core1or5) 1287 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_TSSI, tmp); 1288 if (core2or5) 1289 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_TSSI, tmp); 1290 break; 1291 case N_RSSI_TSSI_5G: 1292 if (core1or5) 1293 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_TSSI, tmp); 1294 if (core2or5) 1295 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_TSSI, tmp); 1296 break; 1297 } 1298} 1299 1300static void b43_nphy_rev3_rssi_select(struct b43_wldev *dev, u8 code, 1301 enum n_rssi_type rssi_type) 1302{ 1303 u8 i; 1304 u16 reg, val; 1305 1306 if (code == 0) { 1307 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, 0xFDFF); 1308 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, 0xFDFF); 1309 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, 0xFCFF); 1310 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, 0xFCFF); 1311 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S0, 0xFFDF); 1312 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B32S1, 0xFFDF); 1313 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0xFFC3); 1314 b43_phy_mask(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0xFFC3); 1315 } else { 1316 for (i = 0; i < 2; i++) { 1317 if ((code == 1 && i == 1) || (code == 2 && !i)) 1318 continue; 1319 1320 reg = (i == 0) ? 1321 B43_NPHY_AFECTL_OVER1 : B43_NPHY_AFECTL_OVER; 1322 b43_phy_maskset(dev, reg, 0xFDFF, 0x0200); 1323 1324 if (rssi_type == N_RSSI_W1 || 1325 rssi_type == N_RSSI_W2 || 1326 rssi_type == N_RSSI_NB) { 1327 reg = (i == 0) ? 1328 B43_NPHY_AFECTL_C1 : 1329 B43_NPHY_AFECTL_C2; 1330 b43_phy_maskset(dev, reg, 0xFCFF, 0); 1331 1332 reg = (i == 0) ? 1333 B43_NPHY_RFCTL_LUT_TRSW_UP1 : 1334 B43_NPHY_RFCTL_LUT_TRSW_UP2; 1335 b43_phy_maskset(dev, reg, 0xFFC3, 0); 1336 1337 if (rssi_type == N_RSSI_W1) 1338 val = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 4 : 8; 1339 else if (rssi_type == N_RSSI_W2) 1340 val = 16; 1341 else 1342 val = 32; 1343 b43_phy_set(dev, reg, val); 1344 1345 reg = (i == 0) ? 1346 B43_NPHY_TXF_40CO_B1S0 : 1347 B43_NPHY_TXF_40CO_B32S1; 1348 b43_phy_set(dev, reg, 0x0020); 1349 } else { 1350 if (rssi_type == N_RSSI_TBD) 1351 val = 0x0100; 1352 else if (rssi_type == N_RSSI_IQ) 1353 val = 0x0200; 1354 else 1355 val = 0x0300; 1356 1357 reg = (i == 0) ? 1358 B43_NPHY_AFECTL_C1 : 1359 B43_NPHY_AFECTL_C2; 1360 1361 b43_phy_maskset(dev, reg, 0xFCFF, val); 1362 b43_phy_maskset(dev, reg, 0xF3FF, val << 2); 1363 1364 if (rssi_type != N_RSSI_IQ && 1365 rssi_type != N_RSSI_TBD) { 1366 enum ieee80211_band band = 1367 b43_current_band(dev->wl); 1368 1369 if (b43_nphy_ipa(dev)) 1370 val = (band == IEEE80211_BAND_5GHZ) ? 0xC : 0xE; 1371 else 1372 val = 0x11; 1373 reg = (i == 0) ? 0x2000 : 0x3000; 1374 reg |= B2055_PADDRV; 1375 b43_radio_write(dev, reg, val); 1376 1377 reg = (i == 0) ? 1378 B43_NPHY_AFECTL_OVER1 : 1379 B43_NPHY_AFECTL_OVER; 1380 b43_phy_set(dev, reg, 0x0200); 1381 } 1382 } 1383 } 1384 } 1385} 1386 1387static void b43_nphy_rev2_rssi_select(struct b43_wldev *dev, u8 code, 1388 enum n_rssi_type rssi_type) 1389{ 1390 u16 val; 1391 bool rssi_w1_w2_nb = false; 1392 1393 switch (rssi_type) { 1394 case N_RSSI_W1: 1395 case N_RSSI_W2: 1396 case N_RSSI_NB: 1397 val = 0; 1398 rssi_w1_w2_nb = true; 1399 break; 1400 case N_RSSI_TBD: 1401 val = 1; 1402 break; 1403 case N_RSSI_IQ: 1404 val = 2; 1405 break; 1406 default: 1407 val = 3; 1408 } 1409 1410 val = (val << 12) | (val << 14); 1411 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, val); 1412 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, val); 1413 1414 if (rssi_w1_w2_nb) { 1415 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO1, 0xFFCF, 1416 (rssi_type + 1) << 4); 1417 b43_phy_maskset(dev, B43_NPHY_RFCTL_RSSIO2, 0xFFCF, 1418 (rssi_type + 1) << 4); 1419 } 1420 1421 if (code == 0) { 1422 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x3000); 1423 if (rssi_w1_w2_nb) { 1424 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, 1425 ~(B43_NPHY_RFCTL_CMD_RXEN | 1426 B43_NPHY_RFCTL_CMD_CORESEL)); 1427 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, 1428 ~(0x1 << 12 | 1429 0x1 << 5 | 1430 0x1 << 1 | 1431 0x1)); 1432 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, 1433 ~B43_NPHY_RFCTL_CMD_START); 1434 udelay(20); 1435 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1); 1436 } 1437 } else { 1438 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x3000); 1439 if (rssi_w1_w2_nb) { 1440 b43_phy_maskset(dev, B43_NPHY_RFCTL_CMD, 1441 ~(B43_NPHY_RFCTL_CMD_RXEN | 1442 B43_NPHY_RFCTL_CMD_CORESEL), 1443 (B43_NPHY_RFCTL_CMD_RXEN | 1444 code << B43_NPHY_RFCTL_CMD_CORESEL_SHIFT)); 1445 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 1446 (0x1 << 12 | 1447 0x1 << 5 | 1448 0x1 << 1 | 1449 0x1)); 1450 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, 1451 B43_NPHY_RFCTL_CMD_START); 1452 udelay(20); 1453 b43_phy_mask(dev, B43_NPHY_RFCTL_OVER, ~0x1); 1454 } 1455 } 1456} 1457 1458/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSISel */ 1459static void b43_nphy_rssi_select(struct b43_wldev *dev, u8 code, 1460 enum n_rssi_type type) 1461{ 1462 if (dev->phy.rev >= 3) 1463 b43_nphy_rev3_rssi_select(dev, code, type); 1464 else 1465 b43_nphy_rev2_rssi_select(dev, code, type); 1466} 1467 1468/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetRssi2055Vcm */ 1469static void b43_nphy_set_rssi_2055_vcm(struct b43_wldev *dev, 1470 enum n_rssi_type rssi_type, u8 *buf) 1471{ 1472 int i; 1473 for (i = 0; i < 2; i++) { 1474 if (rssi_type == N_RSSI_NB) { 1475 if (i == 0) { 1476 b43_radio_maskset(dev, B2055_C1_B0NB_RSSIVCM, 1477 0xFC, buf[0]); 1478 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5, 1479 0xFC, buf[1]); 1480 } else { 1481 b43_radio_maskset(dev, B2055_C2_B0NB_RSSIVCM, 1482 0xFC, buf[2 * i]); 1483 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5, 1484 0xFC, buf[2 * i + 1]); 1485 } 1486 } else { 1487 if (i == 0) 1488 b43_radio_maskset(dev, B2055_C1_RX_BB_RSSICTL5, 1489 0xF3, buf[0] << 2); 1490 else 1491 b43_radio_maskset(dev, B2055_C2_RX_BB_RSSICTL5, 1492 0xF3, buf[2 * i + 1] << 2); 1493 } 1494 } 1495} 1496 1497/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PollRssi */ 1498static int b43_nphy_poll_rssi(struct b43_wldev *dev, enum n_rssi_type rssi_type, 1499 s32 *buf, u8 nsamp) 1500{ 1501 int i; 1502 int out; 1503 u16 save_regs_phy[9]; 1504 u16 s[2]; 1505 1506 if (dev->phy.rev >= 3) { 1507 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); 1508 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); 1509 save_regs_phy[2] = b43_phy_read(dev, 1510 B43_NPHY_RFCTL_LUT_TRSW_UP1); 1511 save_regs_phy[3] = b43_phy_read(dev, 1512 B43_NPHY_RFCTL_LUT_TRSW_UP2); 1513 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); 1514 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); 1515 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S0); 1516 save_regs_phy[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B32S1); 1517 save_regs_phy[8] = 0; 1518 } else { 1519 save_regs_phy[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); 1520 save_regs_phy[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); 1521 save_regs_phy[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); 1522 save_regs_phy[3] = b43_phy_read(dev, B43_NPHY_RFCTL_CMD); 1523 save_regs_phy[4] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER); 1524 save_regs_phy[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1); 1525 save_regs_phy[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2); 1526 save_regs_phy[7] = 0; 1527 save_regs_phy[8] = 0; 1528 } 1529 1530 b43_nphy_rssi_select(dev, 5, rssi_type); 1531 1532 if (dev->phy.rev < 2) { 1533 save_regs_phy[8] = b43_phy_read(dev, B43_NPHY_GPIO_SEL); 1534 b43_phy_write(dev, B43_NPHY_GPIO_SEL, 5); 1535 } 1536 1537 for (i = 0; i < 4; i++) 1538 buf[i] = 0; 1539 1540 for (i = 0; i < nsamp; i++) { 1541 if (dev->phy.rev < 2) { 1542 s[0] = b43_phy_read(dev, B43_NPHY_GPIO_LOOUT); 1543 s[1] = b43_phy_read(dev, B43_NPHY_GPIO_HIOUT); 1544 } else { 1545 s[0] = b43_phy_read(dev, B43_NPHY_RSSI1); 1546 s[1] = b43_phy_read(dev, B43_NPHY_RSSI2); 1547 } 1548 1549 buf[0] += ((s8)((s[0] & 0x3F) << 2)) >> 2; 1550 buf[1] += ((s8)(((s[0] >> 8) & 0x3F) << 2)) >> 2; 1551 buf[2] += ((s8)((s[1] & 0x3F) << 2)) >> 2; 1552 buf[3] += ((s8)(((s[1] >> 8) & 0x3F) << 2)) >> 2; 1553 } 1554 out = (buf[0] & 0xFF) << 24 | (buf[1] & 0xFF) << 16 | 1555 (buf[2] & 0xFF) << 8 | (buf[3] & 0xFF); 1556 1557 if (dev->phy.rev < 2) 1558 b43_phy_write(dev, B43_NPHY_GPIO_SEL, save_regs_phy[8]); 1559 1560 if (dev->phy.rev >= 3) { 1561 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]); 1562 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]); 1563 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 1564 save_regs_phy[2]); 1565 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 1566 save_regs_phy[3]); 1567 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, save_regs_phy[4]); 1568 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[5]); 1569 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, save_regs_phy[6]); 1570 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, save_regs_phy[7]); 1571 } else { 1572 b43_phy_write(dev, B43_NPHY_AFECTL_C1, save_regs_phy[0]); 1573 b43_phy_write(dev, B43_NPHY_AFECTL_C2, save_regs_phy[1]); 1574 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, save_regs_phy[2]); 1575 b43_phy_write(dev, B43_NPHY_RFCTL_CMD, save_regs_phy[3]); 1576 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, save_regs_phy[4]); 1577 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, save_regs_phy[5]); 1578 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, save_regs_phy[6]); 1579 } 1580 1581 return out; 1582} 1583 1584/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICalRev3 */ 1585static void b43_nphy_rev3_rssi_cal(struct b43_wldev *dev) 1586{ 1587 struct b43_phy_n *nphy = dev->phy.n; 1588 1589 u16 saved_regs_phy_rfctl[2]; 1590 u16 saved_regs_phy[13]; 1591 u16 regs_to_store[] = { 1592 B43_NPHY_AFECTL_OVER1, B43_NPHY_AFECTL_OVER, 1593 B43_NPHY_AFECTL_C1, B43_NPHY_AFECTL_C2, 1594 B43_NPHY_TXF_40CO_B1S1, B43_NPHY_RFCTL_OVER, 1595 B43_NPHY_TXF_40CO_B1S0, B43_NPHY_TXF_40CO_B32S1, 1596 B43_NPHY_RFCTL_CMD, 1597 B43_NPHY_RFCTL_LUT_TRSW_UP1, B43_NPHY_RFCTL_LUT_TRSW_UP2, 1598 B43_NPHY_RFCTL_RSSIO1, B43_NPHY_RFCTL_RSSIO2 1599 }; 1600 1601 u16 class; 1602 1603 u16 clip_state[2]; 1604 u16 clip_off[2] = { 0xFFFF, 0xFFFF }; 1605 1606 u8 vcm_final = 0; 1607 s32 offset[4]; 1608 s32 results[8][4] = { }; 1609 s32 results_min[4] = { }; 1610 s32 poll_results[4] = { }; 1611 1612 u16 *rssical_radio_regs = NULL; 1613 u16 *rssical_phy_regs = NULL; 1614 1615 u16 r; /* routing */ 1616 u8 rx_core_state; 1617 int core, i, j, vcm; 1618 1619 class = b43_nphy_classifier(dev, 0, 0); 1620 b43_nphy_classifier(dev, 7, 4); 1621 b43_nphy_read_clip_detection(dev, clip_state); 1622 b43_nphy_write_clip_detection(dev, clip_off); 1623 1624 saved_regs_phy_rfctl[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); 1625 saved_regs_phy_rfctl[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); 1626 for (i = 0; i < ARRAY_SIZE(regs_to_store); i++) 1627 saved_regs_phy[i] = b43_phy_read(dev, regs_to_store[i]); 1628 1629 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_OFF, 0, 7); 1630 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 1, 7); 1631 b43_nphy_rf_ctl_override(dev, 0x1, 0, 0, false); 1632 b43_nphy_rf_ctl_override(dev, 0x2, 1, 0, false); 1633 b43_nphy_rf_ctl_override(dev, 0x80, 1, 0, false); 1634 b43_nphy_rf_ctl_override(dev, 0x40, 1, 0, false); 1635 1636 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 1637 b43_nphy_rf_ctl_override(dev, 0x20, 0, 0, false); 1638 b43_nphy_rf_ctl_override(dev, 0x10, 1, 0, false); 1639 } else { 1640 b43_nphy_rf_ctl_override(dev, 0x10, 0, 0, false); 1641 b43_nphy_rf_ctl_override(dev, 0x20, 1, 0, false); 1642 } 1643 1644 rx_core_state = b43_nphy_get_rx_core_state(dev); 1645 for (core = 0; core < 2; core++) { 1646 if (!(rx_core_state & (1 << core))) 1647 continue; 1648 r = core ? B2056_RX1 : B2056_RX0; 1649 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_I, 1650 N_RSSI_NB); 1651 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, N_RAIL_Q, 1652 N_RSSI_NB); 1653 1654 /* Grab RSSI results for every possible VCM */ 1655 for (vcm = 0; vcm < 8; vcm++) { 1656 b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3, 1657 vcm << 2); 1658 b43_nphy_poll_rssi(dev, N_RSSI_NB, results[vcm], 8); 1659 } 1660 1661 /* Find out which VCM got the best results */ 1662 for (i = 0; i < 4; i += 2) { 1663 s32 currd; 1664 s32 mind = 0x100000; 1665 s32 minpoll = 249; 1666 u8 minvcm = 0; 1667 if (2 * core != i) 1668 continue; 1669 for (vcm = 0; vcm < 8; vcm++) { 1670 currd = results[vcm][i] * results[vcm][i] + 1671 results[vcm][i + 1] * results[vcm][i]; 1672 if (currd < mind) { 1673 mind = currd; 1674 minvcm = vcm; 1675 } 1676 if (results[vcm][i] < minpoll) 1677 minpoll = results[vcm][i]; 1678 } 1679 vcm_final = minvcm; 1680 results_min[i] = minpoll; 1681 } 1682 1683 /* Select the best VCM */ 1684 b43_radio_maskset(dev, r | B2056_RX_RSSI_MISC, 0xE3, 1685 vcm_final << 2); 1686 1687 for (i = 0; i < 4; i++) { 1688 if (core != i / 2) 1689 continue; 1690 offset[i] = -results[vcm_final][i]; 1691 if (offset[i] < 0) 1692 offset[i] = -((abs(offset[i]) + 4) / 8); 1693 else 1694 offset[i] = (offset[i] + 4) / 8; 1695 if (results_min[i] == 248) 1696 offset[i] = -32; 1697 b43_nphy_scale_offset_rssi(dev, 0, offset[i], 1698 (i / 2 == 0) ? 1 : 2, 1699 (i % 2 == 0) ? N_RAIL_I : N_RAIL_Q, 1700 N_RSSI_NB); 1701 } 1702 } 1703 1704 for (core = 0; core < 2; core++) { 1705 if (!(rx_core_state & (1 << core))) 1706 continue; 1707 for (i = 0; i < 2; i++) { 1708 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1709 N_RAIL_I, i); 1710 b43_nphy_scale_offset_rssi(dev, 0, 0, core + 1, 1711 N_RAIL_Q, i); 1712 b43_nphy_poll_rssi(dev, i, poll_results, 8); 1713 for (j = 0; j < 4; j++) { 1714 if (j / 2 == core) { 1715 offset[j] = 232 - poll_results[j]; 1716 if (offset[j] < 0) 1717 offset[j] = -(abs(offset[j] + 4) / 8); 1718 else 1719 offset[j] = (offset[j] + 4) / 8; 1720 b43_nphy_scale_offset_rssi(dev, 0, 1721 offset[2 * core], core + 1, j % 2, i); 1722 } 1723 } 1724 } 1725 } 1726 1727 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, saved_regs_phy_rfctl[0]); 1728 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, saved_regs_phy_rfctl[1]); 1729 1730 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 1731 1732 b43_phy_set(dev, B43_NPHY_TXF_40CO_B1S1, 0x1); 1733 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_START); 1734 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1); 1735 1736 b43_phy_set(dev, B43_NPHY_RFCTL_OVER, 0x1); 1737 b43_phy_set(dev, B43_NPHY_RFCTL_CMD, B43_NPHY_RFCTL_CMD_RXTX); 1738 b43_phy_mask(dev, B43_NPHY_TXF_40CO_B1S1, ~0x1); 1739 1740 for (i = 0; i < ARRAY_SIZE(regs_to_store); i++) 1741 b43_phy_write(dev, regs_to_store[i], saved_regs_phy[i]); 1742 1743 /* Store for future configuration */ 1744 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 1745 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G; 1746 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G; 1747 } else { 1748 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G; 1749 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G; 1750 } 1751 if (dev->phy.rev >= 7) { 1752 } else { 1753 rssical_radio_regs[0] = b43_radio_read(dev, B2056_RX0 | 1754 B2056_RX_RSSI_MISC); 1755 rssical_radio_regs[1] = b43_radio_read(dev, B2056_RX1 | 1756 B2056_RX_RSSI_MISC); 1757 } 1758 rssical_phy_regs[0] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Z); 1759 rssical_phy_regs[1] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z); 1760 rssical_phy_regs[2] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Z); 1761 rssical_phy_regs[3] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z); 1762 rssical_phy_regs[4] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_X); 1763 rssical_phy_regs[5] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_X); 1764 rssical_phy_regs[6] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_X); 1765 rssical_phy_regs[7] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_X); 1766 rssical_phy_regs[8] = b43_phy_read(dev, B43_NPHY_RSSIMC_0I_RSSI_Y); 1767 rssical_phy_regs[9] = b43_phy_read(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y); 1768 rssical_phy_regs[10] = b43_phy_read(dev, B43_NPHY_RSSIMC_1I_RSSI_Y); 1769 rssical_phy_regs[11] = b43_phy_read(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y); 1770 1771 /* Remember for which channel we store configuration */ 1772 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 1773 nphy->rssical_chanspec_2G.center_freq = dev->phy.channel_freq; 1774 else 1775 nphy->rssical_chanspec_5G.center_freq = dev->phy.channel_freq; 1776 1777 /* End of calibration, restore configuration */ 1778 b43_nphy_classifier(dev, 7, class); 1779 b43_nphy_write_clip_detection(dev, clip_state); 1780} 1781 1782/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal */ 1783static void b43_nphy_rev2_rssi_cal(struct b43_wldev *dev, enum n_rssi_type type) 1784{ 1785 int i, j, vcm; 1786 u8 state[4]; 1787 u8 code, val; 1788 u16 class, override; 1789 u8 regs_save_radio[2]; 1790 u16 regs_save_phy[2]; 1791 1792 s32 offset[4]; 1793 u8 core; 1794 u8 rail; 1795 1796 u16 clip_state[2]; 1797 u16 clip_off[2] = { 0xFFFF, 0xFFFF }; 1798 s32 results_min[4] = { }; 1799 u8 vcm_final[4] = { }; 1800 s32 results[4][4] = { }; 1801 s32 miniq[4][2] = { }; 1802 1803 if (type == N_RSSI_NB) { 1804 code = 0; 1805 val = 6; 1806 } else if (type == N_RSSI_W1 || type == N_RSSI_W2) { 1807 code = 25; 1808 val = 4; 1809 } else { 1810 B43_WARN_ON(1); 1811 return; 1812 } 1813 1814 class = b43_nphy_classifier(dev, 0, 0); 1815 b43_nphy_classifier(dev, 7, 4); 1816 b43_nphy_read_clip_detection(dev, clip_state); 1817 b43_nphy_write_clip_detection(dev, clip_off); 1818 1819 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) 1820 override = 0x140; 1821 else 1822 override = 0x110; 1823 1824 regs_save_phy[0] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); 1825 regs_save_radio[0] = b43_radio_read(dev, B2055_C1_PD_RXTX); 1826 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, override); 1827 b43_radio_write(dev, B2055_C1_PD_RXTX, val); 1828 1829 regs_save_phy[1] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); 1830 regs_save_radio[1] = b43_radio_read(dev, B2055_C2_PD_RXTX); 1831 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, override); 1832 b43_radio_write(dev, B2055_C2_PD_RXTX, val); 1833 1834 state[0] = b43_radio_read(dev, B2055_C1_PD_RSSIMISC) & 0x07; 1835 state[1] = b43_radio_read(dev, B2055_C2_PD_RSSIMISC) & 0x07; 1836 b43_radio_mask(dev, B2055_C1_PD_RSSIMISC, 0xF8); 1837 b43_radio_mask(dev, B2055_C2_PD_RSSIMISC, 0xF8); 1838 state[2] = b43_radio_read(dev, B2055_C1_SP_RSSI) & 0x07; 1839 state[3] = b43_radio_read(dev, B2055_C2_SP_RSSI) & 0x07; 1840 1841 b43_nphy_rssi_select(dev, 5, type); 1842 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_I, type); 1843 b43_nphy_scale_offset_rssi(dev, 0, 0, 5, N_RAIL_Q, type); 1844 1845 for (vcm = 0; vcm < 4; vcm++) { 1846 u8 tmp[4]; 1847 for (j = 0; j < 4; j++) 1848 tmp[j] = vcm; 1849 if (type != N_RSSI_W2) 1850 b43_nphy_set_rssi_2055_vcm(dev, type, tmp); 1851 b43_nphy_poll_rssi(dev, type, results[vcm], 8); 1852 if (type == N_RSSI_W1 || type == N_RSSI_W2) 1853 for (j = 0; j < 2; j++) 1854 miniq[vcm][j] = min(results[vcm][2 * j], 1855 results[vcm][2 * j + 1]); 1856 } 1857 1858 for (i = 0; i < 4; i++) { 1859 s32 mind = 0x100000; 1860 u8 minvcm = 0; 1861 s32 minpoll = 249; 1862 s32 currd; 1863 for (vcm = 0; vcm < 4; vcm++) { 1864 if (type == N_RSSI_NB) 1865 currd = abs(results[vcm][i] - code * 8); 1866 else 1867 currd = abs(miniq[vcm][i / 2] - code * 8); 1868 1869 if (currd < mind) { 1870 mind = currd; 1871 minvcm = vcm; 1872 } 1873 1874 if (results[vcm][i] < minpoll) 1875 minpoll = results[vcm][i]; 1876 } 1877 results_min[i] = minpoll; 1878 vcm_final[i] = minvcm; 1879 } 1880 1881 if (type != N_RSSI_W2) 1882 b43_nphy_set_rssi_2055_vcm(dev, type, vcm_final); 1883 1884 for (i = 0; i < 4; i++) { 1885 offset[i] = (code * 8) - results[vcm_final[i]][i]; 1886 1887 if (offset[i] < 0) 1888 offset[i] = -((abs(offset[i]) + 4) / 8); 1889 else 1890 offset[i] = (offset[i] + 4) / 8; 1891 1892 if (results_min[i] == 248) 1893 offset[i] = code - 32; 1894 1895 core = (i / 2) ? 2 : 1; 1896 rail = (i % 2) ? N_RAIL_Q : N_RAIL_I; 1897 1898 b43_nphy_scale_offset_rssi(dev, 0, offset[i], core, rail, 1899 type); 1900 } 1901 1902 b43_radio_maskset(dev, B2055_C1_PD_RSSIMISC, 0xF8, state[0]); 1903 b43_radio_maskset(dev, B2055_C2_PD_RSSIMISC, 0xF8, state[1]); 1904 1905 switch (state[2]) { 1906 case 1: 1907 b43_nphy_rssi_select(dev, 1, N_RSSI_NB); 1908 break; 1909 case 4: 1910 b43_nphy_rssi_select(dev, 1, N_RSSI_W1); 1911 break; 1912 case 2: 1913 b43_nphy_rssi_select(dev, 1, N_RSSI_W2); 1914 break; 1915 default: 1916 b43_nphy_rssi_select(dev, 1, N_RSSI_W2); 1917 break; 1918 } 1919 1920 switch (state[3]) { 1921 case 1: 1922 b43_nphy_rssi_select(dev, 2, N_RSSI_NB); 1923 break; 1924 case 4: 1925 b43_nphy_rssi_select(dev, 2, N_RSSI_W1); 1926 break; 1927 default: 1928 b43_nphy_rssi_select(dev, 2, N_RSSI_W2); 1929 break; 1930 } 1931 1932 b43_nphy_rssi_select(dev, 0, type); 1933 1934 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs_save_phy[0]); 1935 b43_radio_write(dev, B2055_C1_PD_RXTX, regs_save_radio[0]); 1936 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs_save_phy[1]); 1937 b43_radio_write(dev, B2055_C2_PD_RXTX, regs_save_radio[1]); 1938 1939 b43_nphy_classifier(dev, 7, class); 1940 b43_nphy_write_clip_detection(dev, clip_state); 1941 /* Specs don't say about reset here, but it makes wl and b43 dumps 1942 identical, it really seems wl performs this */ 1943 b43_nphy_reset_cca(dev); 1944} 1945 1946/* 1947 * RSSI Calibration 1948 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RSSICal 1949 */ 1950static void b43_nphy_rssi_cal(struct b43_wldev *dev) 1951{ 1952 if (dev->phy.rev >= 3) { 1953 b43_nphy_rev3_rssi_cal(dev); 1954 } else { 1955 b43_nphy_rev2_rssi_cal(dev, N_RSSI_NB); 1956 b43_nphy_rev2_rssi_cal(dev, N_RSSI_W1); 1957 b43_nphy_rev2_rssi_cal(dev, N_RSSI_W2); 1958 } 1959} 1960 1961/************************************************** 1962 * Workarounds 1963 **************************************************/ 1964 1965static void b43_nphy_gain_ctl_workarounds_rev3plus(struct b43_wldev *dev) 1966{ 1967 struct ssb_sprom *sprom = dev->dev->bus_sprom; 1968 1969 bool ghz5; 1970 bool ext_lna; 1971 u16 rssi_gain; 1972 struct nphy_gain_ctl_workaround_entry *e; 1973 u8 lpf_gain[6] = { 0x00, 0x06, 0x0C, 0x12, 0x12, 0x12 }; 1974 u8 lpf_bits[6] = { 0, 1, 2, 3, 3, 3 }; 1975 1976 /* Prepare values */ 1977 ghz5 = b43_phy_read(dev, B43_NPHY_BANDCTL) 1978 & B43_NPHY_BANDCTL_5GHZ; 1979 ext_lna = ghz5 ? sprom->boardflags_hi & B43_BFH_EXTLNA_5GHZ : 1980 sprom->boardflags_lo & B43_BFL_EXTLNA; 1981 e = b43_nphy_get_gain_ctl_workaround_ent(dev, ghz5, ext_lna); 1982 if (ghz5 && dev->phy.rev >= 5) 1983 rssi_gain = 0x90; 1984 else 1985 rssi_gain = 0x50; 1986 1987 b43_phy_set(dev, B43_NPHY_RXCTL, 0x0040); 1988 1989 /* Set Clip 2 detect */ 1990 b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT); 1991 b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT); 1992 1993 b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAG1_IDAC, 1994 0x17); 1995 b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAG1_IDAC, 1996 0x17); 1997 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAG2_IDAC, 0xF0); 1998 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAG2_IDAC, 0xF0); 1999 b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_POLE, 0x00); 2000 b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_POLE, 0x00); 2001 b43_radio_write(dev, B2056_RX0 | B2056_RX_RSSI_GAIN, 2002 rssi_gain); 2003 b43_radio_write(dev, B2056_RX1 | B2056_RX_RSSI_GAIN, 2004 rssi_gain); 2005 b43_radio_write(dev, B2056_RX0 | B2056_RX_BIASPOLE_LNAA1_IDAC, 2006 0x17); 2007 b43_radio_write(dev, B2056_RX1 | B2056_RX_BIASPOLE_LNAA1_IDAC, 2008 0x17); 2009 b43_radio_write(dev, B2056_RX0 | B2056_RX_LNAA2_IDAC, 0xFF); 2010 b43_radio_write(dev, B2056_RX1 | B2056_RX_LNAA2_IDAC, 0xFF); 2011 2012 b43_ntab_write_bulk(dev, B43_NTAB8(0, 8), 4, e->lna1_gain); 2013 b43_ntab_write_bulk(dev, B43_NTAB8(1, 8), 4, e->lna1_gain); 2014 b43_ntab_write_bulk(dev, B43_NTAB8(0, 16), 4, e->lna2_gain); 2015 b43_ntab_write_bulk(dev, B43_NTAB8(1, 16), 4, e->lna2_gain); 2016 b43_ntab_write_bulk(dev, B43_NTAB8(0, 32), 10, e->gain_db); 2017 b43_ntab_write_bulk(dev, B43_NTAB8(1, 32), 10, e->gain_db); 2018 b43_ntab_write_bulk(dev, B43_NTAB8(2, 32), 10, e->gain_bits); 2019 b43_ntab_write_bulk(dev, B43_NTAB8(3, 32), 10, e->gain_bits); 2020 b43_ntab_write_bulk(dev, B43_NTAB8(0, 0x40), 6, lpf_gain); 2021 b43_ntab_write_bulk(dev, B43_NTAB8(1, 0x40), 6, lpf_gain); 2022 b43_ntab_write_bulk(dev, B43_NTAB8(2, 0x40), 6, lpf_bits); 2023 b43_ntab_write_bulk(dev, B43_NTAB8(3, 0x40), 6, lpf_bits); 2024 2025 b43_phy_write(dev, B43_NPHY_REV3_C1_INITGAIN_A, e->init_gain); 2026 b43_phy_write(dev, B43_NPHY_REV3_C2_INITGAIN_A, e->init_gain); 2027 2028 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x106), 2, 2029 e->rfseq_init); 2030 2031 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_HIGAIN_A, e->cliphi_gain); 2032 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_HIGAIN_A, e->cliphi_gain); 2033 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_MEDGAIN_A, e->clipmd_gain); 2034 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_MEDGAIN_A, e->clipmd_gain); 2035 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_A, e->cliplo_gain); 2036 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_A, e->cliplo_gain); 2037 2038 b43_phy_maskset(dev, B43_NPHY_CRSMINPOWER0, 0xFF00, e->crsmin); 2039 b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERL0, 0xFF00, e->crsminl); 2040 b43_phy_maskset(dev, B43_NPHY_CRSMINPOWERU0, 0xFF00, e->crsminu); 2041 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, e->nbclip); 2042 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, e->nbclip); 2043 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES, 2044 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, e->wlclip); 2045 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES, 2046 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, e->wlclip); 2047 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C); 2048} 2049 2050static void b43_nphy_gain_ctl_workarounds_rev1_2(struct b43_wldev *dev) 2051{ 2052 struct b43_phy_n *nphy = dev->phy.n; 2053 2054 u8 i, j; 2055 u8 code; 2056 u16 tmp; 2057 u8 rfseq_events[3] = { 6, 8, 7 }; 2058 u8 rfseq_delays[3] = { 10, 30, 1 }; 2059 2060 /* Set Clip 2 detect */ 2061 b43_phy_set(dev, B43_NPHY_C1_CGAINI, B43_NPHY_C1_CGAINI_CL2DETECT); 2062 b43_phy_set(dev, B43_NPHY_C2_CGAINI, B43_NPHY_C2_CGAINI_CL2DETECT); 2063 2064 /* Set narrowband clip threshold */ 2065 b43_phy_write(dev, B43_NPHY_C1_NBCLIPTHRES, 0x84); 2066 b43_phy_write(dev, B43_NPHY_C2_NBCLIPTHRES, 0x84); 2067 2068 if (!dev->phy.is_40mhz) { 2069 /* Set dwell lengths */ 2070 b43_phy_write(dev, B43_NPHY_CLIP1_NBDWELL_LEN, 0x002B); 2071 b43_phy_write(dev, B43_NPHY_CLIP2_NBDWELL_LEN, 0x002B); 2072 b43_phy_write(dev, B43_NPHY_W1CLIP1_DWELL_LEN, 0x0009); 2073 b43_phy_write(dev, B43_NPHY_W1CLIP2_DWELL_LEN, 0x0009); 2074 } 2075 2076 /* Set wideband clip 2 threshold */ 2077 b43_phy_maskset(dev, B43_NPHY_C1_CLIPWBTHRES, 2078 ~B43_NPHY_C1_CLIPWBTHRES_CLIP2, 21); 2079 b43_phy_maskset(dev, B43_NPHY_C2_CLIPWBTHRES, 2080 ~B43_NPHY_C2_CLIPWBTHRES_CLIP2, 21); 2081 2082 if (!dev->phy.is_40mhz) { 2083 b43_phy_maskset(dev, B43_NPHY_C1_CGAINI, 2084 ~B43_NPHY_C1_CGAINI_GAINBKOFF, 0x1); 2085 b43_phy_maskset(dev, B43_NPHY_C2_CGAINI, 2086 ~B43_NPHY_C2_CGAINI_GAINBKOFF, 0x1); 2087 b43_phy_maskset(dev, B43_NPHY_C1_CCK_CGAINI, 2088 ~B43_NPHY_C1_CCK_CGAINI_GAINBKOFF, 0x1); 2089 b43_phy_maskset(dev, B43_NPHY_C2_CCK_CGAINI, 2090 ~B43_NPHY_C2_CCK_CGAINI_GAINBKOFF, 0x1); 2091 } 2092 2093 b43_phy_write(dev, B43_NPHY_CCK_SHIFTB_REF, 0x809C); 2094 2095 if (nphy->gain_boost) { 2096 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ && 2097 dev->phy.is_40mhz) 2098 code = 4; 2099 else 2100 code = 5; 2101 } else { 2102 code = dev->phy.is_40mhz ? 6 : 7; 2103 } 2104 2105 /* Set HPVGA2 index */ 2106 b43_phy_maskset(dev, B43_NPHY_C1_INITGAIN, ~B43_NPHY_C1_INITGAIN_HPVGA2, 2107 code << B43_NPHY_C1_INITGAIN_HPVGA2_SHIFT); 2108 b43_phy_maskset(dev, B43_NPHY_C2_INITGAIN, ~B43_NPHY_C2_INITGAIN_HPVGA2, 2109 code << B43_NPHY_C2_INITGAIN_HPVGA2_SHIFT); 2110 2111 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06); 2112 /* specs say about 2 loops, but wl does 4 */ 2113 for (i = 0; i < 4; i++) 2114 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, (code << 8 | 0x7C)); 2115 2116 b43_nphy_adjust_lna_gain_table(dev); 2117 2118 if (nphy->elna_gain_config) { 2119 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0808); 2120 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0); 2121 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); 2122 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); 2123 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); 2124 2125 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x0C08); 2126 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x0); 2127 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); 2128 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); 2129 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0x1); 2130 2131 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x1D06); 2132 /* specs say about 2 loops, but wl does 4 */ 2133 for (i = 0; i < 4; i++) 2134 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 2135 (code << 8 | 0x74)); 2136 } 2137 2138 if (dev->phy.rev == 2) { 2139 for (i = 0; i < 4; i++) { 2140 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 2141 (0x0400 * i) + 0x0020); 2142 for (j = 0; j < 21; j++) { 2143 tmp = j * (i < 2 ? 3 : 1); 2144 b43_phy_write(dev, 2145 B43_NPHY_TABLE_DATALO, tmp); 2146 } 2147 } 2148 } 2149 2150 b43_nphy_set_rf_sequence(dev, 5, rfseq_events, rfseq_delays, 3); 2151 b43_phy_maskset(dev, B43_NPHY_OVER_DGAIN1, 2152 ~B43_NPHY_OVER_DGAIN_CCKDGECV & 0xFFFF, 2153 0x5A << B43_NPHY_OVER_DGAIN_CCKDGECV_SHIFT); 2154 2155 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 2156 b43_phy_maskset(dev, B43_PHY_N(0xC5D), 0xFF80, 4); 2157} 2158 2159/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/WorkaroundsGainCtrl */ 2160static void b43_nphy_gain_ctl_workarounds(struct b43_wldev *dev) 2161{ 2162 if (dev->phy.rev >= 7) 2163 ; /* TODO */ 2164 else if (dev->phy.rev >= 3) 2165 b43_nphy_gain_ctl_workarounds_rev3plus(dev); 2166 else 2167 b43_nphy_gain_ctl_workarounds_rev1_2(dev); 2168} 2169 2170/* http://bcm-v4.sipsolutions.net/PHY/N/Read_Lpf_Bw_Ctl */ 2171static u16 b43_nphy_read_lpf_ctl(struct b43_wldev *dev, u16 offset) 2172{ 2173 if (!offset) 2174 offset = (dev->phy.is_40mhz) ? 0x159 : 0x154; 2175 return b43_ntab_read(dev, B43_NTAB16(7, offset)) & 0x7; 2176} 2177 2178static void b43_nphy_workarounds_rev7plus(struct b43_wldev *dev) 2179{ 2180 struct ssb_sprom *sprom = dev->dev->bus_sprom; 2181 struct b43_phy *phy = &dev->phy; 2182 2183 u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3, 2184 0x1F }; 2185 u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 }; 2186 2187 u16 ntab7_15e_16e[] = { 0x10f, 0x10f }; 2188 u8 ntab7_138_146[] = { 0x11, 0x11 }; 2189 u8 ntab7_133[] = { 0x77, 0x11, 0x11 }; 2190 2191 u16 lpf_20, lpf_40, lpf_11b; 2192 u16 bcap_val, bcap_val_11b, bcap_val_11n_20, bcap_val_11n_40; 2193 u16 scap_val, scap_val_11b, scap_val_11n_20, scap_val_11n_40; 2194 bool rccal_ovrd = false; 2195 2196 u16 rx2tx_lut_20_11b, rx2tx_lut_20_11n, rx2tx_lut_40_11n; 2197 u16 bias, conv, filt; 2198 2199 u32 tmp32; 2200 u8 core; 2201 2202 if (phy->rev == 7) { 2203 b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 0x10); 2204 b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0xFF80, 0x0020); 2205 b43_phy_maskset(dev, B43_NPHY_FREQGAIN0, 0x80FF, 0x2700); 2206 b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0xFF80, 0x002E); 2207 b43_phy_maskset(dev, B43_NPHY_FREQGAIN1, 0x80FF, 0x3300); 2208 b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0xFF80, 0x0037); 2209 b43_phy_maskset(dev, B43_NPHY_FREQGAIN2, 0x80FF, 0x3A00); 2210 b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0xFF80, 0x003C); 2211 b43_phy_maskset(dev, B43_NPHY_FREQGAIN3, 0x80FF, 0x3E00); 2212 b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0xFF80, 0x003E); 2213 b43_phy_maskset(dev, B43_NPHY_FREQGAIN4, 0x80FF, 0x3F00); 2214 b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0xFF80, 0x0040); 2215 b43_phy_maskset(dev, B43_NPHY_FREQGAIN5, 0x80FF, 0x4000); 2216 b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0xFF80, 0x0040); 2217 b43_phy_maskset(dev, B43_NPHY_FREQGAIN6, 0x80FF, 0x4000); 2218 b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0xFF80, 0x0040); 2219 b43_phy_maskset(dev, B43_NPHY_FREQGAIN7, 0x80FF, 0x4000); 2220 } 2221 if (phy->rev <= 8) { 2222 b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1B0); 2223 b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1B0); 2224 } 2225 if (phy->rev >= 8) 2226 b43_phy_maskset(dev, B43_NPHY_TXTAILCNT, ~0xFF, 0x72); 2227 2228 b43_ntab_write(dev, B43_NTAB16(8, 0x00), 2); 2229 b43_ntab_write(dev, B43_NTAB16(8, 0x10), 2); 2230 tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0)); 2231 tmp32 &= 0xffffff; 2232 b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32); 2233 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x15e), 2, ntab7_15e_16e); 2234 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x16e), 2, ntab7_15e_16e); 2235 2236 if (b43_nphy_ipa(dev)) 2237 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa, 2238 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa)); 2239 2240 b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_0, 0x3FFF, 0x4000); 2241 b43_phy_maskset(dev, B43_NPHY_EPS_OVERRIDEI_1, 0x3FFF, 0x4000); 2242 2243 lpf_20 = b43_nphy_read_lpf_ctl(dev, 0x154); 2244 lpf_40 = b43_nphy_read_lpf_ctl(dev, 0x159); 2245 lpf_11b = b43_nphy_read_lpf_ctl(dev, 0x152); 2246 if (b43_nphy_ipa(dev)) { 2247 if ((phy->radio_rev == 5 && phy->is_40mhz) || 2248 phy->radio_rev == 7 || phy->radio_rev == 8) { 2249 bcap_val = b43_radio_read(dev, 0x16b); 2250 scap_val = b43_radio_read(dev, 0x16a); 2251 scap_val_11b = scap_val; 2252 bcap_val_11b = bcap_val; 2253 if (phy->radio_rev == 5 && phy->is_40mhz) { 2254 scap_val_11n_20 = scap_val; 2255 bcap_val_11n_20 = bcap_val; 2256 scap_val_11n_40 = bcap_val_11n_40 = 0xc; 2257 rccal_ovrd = true; 2258 } else { /* Rev 7/8 */ 2259 lpf_20 = 4; 2260 lpf_11b = 1; 2261 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 2262 scap_val_11n_20 = 0xc; 2263 bcap_val_11n_20 = 0xc; 2264 scap_val_11n_40 = 0xa; 2265 bcap_val_11n_40 = 0xa; 2266 } else { 2267 scap_val_11n_20 = 0x14; 2268 bcap_val_11n_20 = 0x14; 2269 scap_val_11n_40 = 0xf; 2270 bcap_val_11n_40 = 0xf; 2271 } 2272 rccal_ovrd = true; 2273 } 2274 } 2275 } else { 2276 if (phy->radio_rev == 5) { 2277 lpf_20 = 1; 2278 lpf_40 = 3; 2279 bcap_val = b43_radio_read(dev, 0x16b); 2280 scap_val = b43_radio_read(dev, 0x16a); 2281 scap_val_11b = scap_val; 2282 bcap_val_11b = bcap_val; 2283 scap_val_11n_20 = 0x11; 2284 scap_val_11n_40 = 0x11; 2285 bcap_val_11n_20 = 0x13; 2286 bcap_val_11n_40 = 0x13; 2287 rccal_ovrd = true; 2288 } 2289 } 2290 if (rccal_ovrd) { 2291 rx2tx_lut_20_11b = (bcap_val_11b << 8) | 2292 (scap_val_11b << 3) | 2293 lpf_11b; 2294 rx2tx_lut_20_11n = (bcap_val_11n_20 << 8) | 2295 (scap_val_11n_20 << 3) | 2296 lpf_20; 2297 rx2tx_lut_40_11n = (bcap_val_11n_40 << 8) | 2298 (scap_val_11n_40 << 3) | 2299 lpf_40; 2300 for (core = 0; core < 2; core++) { 2301 b43_ntab_write(dev, B43_NTAB16(7, 0x152 + core * 16), 2302 rx2tx_lut_20_11b); 2303 b43_ntab_write(dev, B43_NTAB16(7, 0x153 + core * 16), 2304 rx2tx_lut_20_11n); 2305 b43_ntab_write(dev, B43_NTAB16(7, 0x154 + core * 16), 2306 rx2tx_lut_20_11n); 2307 b43_ntab_write(dev, B43_NTAB16(7, 0x155 + core * 16), 2308 rx2tx_lut_40_11n); 2309 b43_ntab_write(dev, B43_NTAB16(7, 0x156 + core * 16), 2310 rx2tx_lut_40_11n); 2311 b43_ntab_write(dev, B43_NTAB16(7, 0x157 + core * 16), 2312 rx2tx_lut_40_11n); 2313 b43_ntab_write(dev, B43_NTAB16(7, 0x158 + core * 16), 2314 rx2tx_lut_40_11n); 2315 b43_ntab_write(dev, B43_NTAB16(7, 0x159 + core * 16), 2316 rx2tx_lut_40_11n); 2317 } 2318 b43_nphy_rf_ctl_override_rev7(dev, 16, 1, 3, false, 2); 2319 } 2320 b43_phy_write(dev, 0x32F, 0x3); 2321 if (phy->radio_rev == 4 || phy->radio_rev == 6) 2322 b43_nphy_rf_ctl_override_rev7(dev, 4, 1, 3, false, 0); 2323 2324 if (phy->radio_rev == 3 || phy->radio_rev == 4 || phy->radio_rev == 6) { 2325 if (sprom->revision && 2326 sprom->boardflags2_hi & B43_BFH2_IPALVLSHIFT_3P3) { 2327 b43_radio_write(dev, 0x5, 0x05); 2328 b43_radio_write(dev, 0x6, 0x30); 2329 b43_radio_write(dev, 0x7, 0x00); 2330 b43_radio_set(dev, 0x4f, 0x1); 2331 b43_radio_set(dev, 0xd4, 0x1); 2332 bias = 0x1f; 2333 conv = 0x6f; 2334 filt = 0xaa; 2335 } else { 2336 bias = 0x2b; 2337 conv = 0x7f; 2338 filt = 0xee; 2339 } 2340 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 2341 for (core = 0; core < 2; core++) { 2342 if (core == 0) { 2343 b43_radio_write(dev, 0x5F, bias); 2344 b43_radio_write(dev, 0x64, conv); 2345 b43_radio_write(dev, 0x66, filt); 2346 } else { 2347 b43_radio_write(dev, 0xE8, bias); 2348 b43_radio_write(dev, 0xE9, conv); 2349 b43_radio_write(dev, 0xEB, filt); 2350 } 2351 } 2352 } 2353 } 2354 2355 if (b43_nphy_ipa(dev)) { 2356 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 2357 if (phy->radio_rev == 3 || phy->radio_rev == 4 || 2358 phy->radio_rev == 6) { 2359 for (core = 0; core < 2; core++) { 2360 if (core == 0) 2361 b43_radio_write(dev, 0x51, 2362 0x7f); 2363 else 2364 b43_radio_write(dev, 0xd6, 2365 0x7f); 2366 } 2367 } 2368 if (phy->radio_rev == 3) { 2369 for (core = 0; core < 2; core++) { 2370 if (core == 0) { 2371 b43_radio_write(dev, 0x64, 2372 0x13); 2373 b43_radio_write(dev, 0x5F, 2374 0x1F); 2375 b43_radio_write(dev, 0x66, 2376 0xEE); 2377 b43_radio_write(dev, 0x59, 2378 0x8A); 2379 b43_radio_write(dev, 0x80, 2380 0x3E); 2381 } else { 2382 b43_radio_write(dev, 0x69, 2383 0x13); 2384 b43_radio_write(dev, 0xE8, 2385 0x1F); 2386 b43_radio_write(dev, 0xEB, 2387 0xEE); 2388 b43_radio_write(dev, 0xDE, 2389 0x8A); 2390 b43_radio_write(dev, 0x105, 2391 0x3E); 2392 } 2393 } 2394 } else if (phy->radio_rev == 7 || phy->radio_rev == 8) { 2395 if (!phy->is_40mhz) { 2396 b43_radio_write(dev, 0x5F, 0x14); 2397 b43_radio_write(dev, 0xE8, 0x12); 2398 } else { 2399 b43_radio_write(dev, 0x5F, 0x16); 2400 b43_radio_write(dev, 0xE8, 0x16); 2401 } 2402 } 2403 } else { 2404 u16 freq = phy->channel_freq; 2405 if ((freq >= 5180 && freq <= 5230) || 2406 (freq >= 5745 && freq <= 5805)) { 2407 b43_radio_write(dev, 0x7D, 0xFF); 2408 b43_radio_write(dev, 0xFE, 0xFF); 2409 } 2410 } 2411 } else { 2412 if (phy->radio_rev != 5) { 2413 for (core = 0; core < 2; core++) { 2414 if (core == 0) { 2415 b43_radio_write(dev, 0x5c, 0x61); 2416 b43_radio_write(dev, 0x51, 0x70); 2417 } else { 2418 b43_radio_write(dev, 0xe1, 0x61); 2419 b43_radio_write(dev, 0xd6, 0x70); 2420 } 2421 } 2422 } 2423 } 2424 2425 if (phy->radio_rev == 4) { 2426 b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20); 2427 b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20); 2428 for (core = 0; core < 2; core++) { 2429 if (core == 0) { 2430 b43_radio_write(dev, 0x1a1, 0x00); 2431 b43_radio_write(dev, 0x1a2, 0x3f); 2432 b43_radio_write(dev, 0x1a6, 0x3f); 2433 } else { 2434 b43_radio_write(dev, 0x1a7, 0x00); 2435 b43_radio_write(dev, 0x1ab, 0x3f); 2436 b43_radio_write(dev, 0x1ac, 0x3f); 2437 } 2438 } 2439 } else { 2440 b43_phy_set(dev, B43_NPHY_AFECTL_C1, 0x4); 2441 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x4); 2442 b43_phy_set(dev, B43_NPHY_AFECTL_C2, 0x4); 2443 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4); 2444 2445 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x1); 2446 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x1); 2447 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x1); 2448 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x1); 2449 b43_ntab_write(dev, B43_NTAB16(8, 0x05), 0x20); 2450 b43_ntab_write(dev, B43_NTAB16(8, 0x15), 0x20); 2451 2452 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x4); 2453 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x4); 2454 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x4); 2455 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4); 2456 } 2457 2458 b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, 0x2); 2459 2460 b43_ntab_write(dev, B43_NTAB32(16, 0x100), 20); 2461 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x138), 2, ntab7_138_146); 2462 b43_ntab_write(dev, B43_NTAB16(7, 0x141), 0x77); 2463 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x133), 3, ntab7_133); 2464 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x146), 2, ntab7_138_146); 2465 b43_ntab_write(dev, B43_NTAB16(7, 0x123), 0x77); 2466 b43_ntab_write(dev, B43_NTAB16(7, 0x12A), 0x77); 2467 2468 if (!phy->is_40mhz) { 2469 b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x18D); 2470 b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x18D); 2471 } else { 2472 b43_ntab_write(dev, B43_NTAB32(16, 0x03), 0x14D); 2473 b43_ntab_write(dev, B43_NTAB32(16, 0x7F), 0x14D); 2474 } 2475 2476 b43_nphy_gain_ctl_workarounds(dev); 2477 2478 /* TODO 2479 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x08), 4, 2480 aux_adc_vmid_rev7_core0); 2481 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x18), 4, 2482 aux_adc_vmid_rev7_core1); 2483 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x0C), 4, 2484 aux_adc_gain_rev7); 2485 b43_ntab_write_bulk(dev, B43_NTAB16(8, 0x1C), 4, 2486 aux_adc_gain_rev7); 2487 */ 2488} 2489 2490static void b43_nphy_workarounds_rev3plus(struct b43_wldev *dev) 2491{ 2492 struct b43_phy_n *nphy = dev->phy.n; 2493 struct ssb_sprom *sprom = dev->dev->bus_sprom; 2494 2495 /* TX to RX */ 2496 u8 tx2rx_events[8] = { 0x4, 0x3, 0x6, 0x5, 0x2, 0x1, 0x8, 0x1F }; 2497 u8 tx2rx_delays[8] = { 8, 4, 2, 2, 4, 4, 6, 1 }; 2498 /* RX to TX */ 2499 u8 rx2tx_events_ipa[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0xF, 0x3, 2500 0x1F }; 2501 u8 rx2tx_delays_ipa[9] = { 8, 6, 6, 4, 4, 16, 43, 1, 1 }; 2502 u8 rx2tx_events[9] = { 0x0, 0x1, 0x2, 0x8, 0x5, 0x6, 0x3, 0x4, 0x1F }; 2503 u8 rx2tx_delays[9] = { 8, 6, 6, 4, 4, 18, 42, 1, 1 }; 2504 2505 u16 tmp16; 2506 u32 tmp32; 2507 2508 b43_phy_write(dev, B43_NPHY_FORCEFRONT0, 0x1f8); 2509 b43_phy_write(dev, B43_NPHY_FORCEFRONT1, 0x1f8); 2510 2511 tmp32 = b43_ntab_read(dev, B43_NTAB32(30, 0)); 2512 tmp32 &= 0xffffff; 2513 b43_ntab_write(dev, B43_NTAB32(30, 0), tmp32); 2514 2515 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x0125); 2516 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x01B3); 2517 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x0105); 2518 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x016E); 2519 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0x00CD); 2520 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x0020); 2521 2522 b43_phy_write(dev, B43_NPHY_REV3_C1_CLIP_LOGAIN_B, 0x000C); 2523 b43_phy_write(dev, B43_NPHY_REV3_C2_CLIP_LOGAIN_B, 0x000C); 2524 2525 /* TX to RX */ 2526 b43_nphy_set_rf_sequence(dev, 1, tx2rx_events, tx2rx_delays, 2527 ARRAY_SIZE(tx2rx_events)); 2528 2529 /* RX to TX */ 2530 if (b43_nphy_ipa(dev)) 2531 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events_ipa, 2532 rx2tx_delays_ipa, ARRAY_SIZE(rx2tx_events_ipa)); 2533 if (nphy->hw_phyrxchain != 3 && 2534 nphy->hw_phyrxchain != nphy->hw_phytxchain) { 2535 if (b43_nphy_ipa(dev)) { 2536 rx2tx_delays[5] = 59; 2537 rx2tx_delays[6] = 1; 2538 rx2tx_events[7] = 0x1F; 2539 } 2540 b43_nphy_set_rf_sequence(dev, 0, rx2tx_events, rx2tx_delays, 2541 ARRAY_SIZE(rx2tx_events)); 2542 } 2543 2544 tmp16 = (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 2545 0x2 : 0x9C40; 2546 b43_phy_write(dev, B43_NPHY_ENDROP_TLEN, tmp16); 2547 2548 b43_phy_maskset(dev, B43_NPHY_SGILTRNOFFSET, 0xF0FF, 0x0700); 2549 2550 if (!dev->phy.is_40mhz) { 2551 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x18D); 2552 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x18D); 2553 } else { 2554 b43_ntab_write(dev, B43_NTAB32(16, 3), 0x14D); 2555 b43_ntab_write(dev, B43_NTAB32(16, 127), 0x14D); 2556 } 2557 2558 b43_nphy_gain_ctl_workarounds(dev); 2559 2560 b43_ntab_write(dev, B43_NTAB16(8, 0), 2); 2561 b43_ntab_write(dev, B43_NTAB16(8, 16), 2); 2562 2563 /* TODO */ 2564 2565 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_MAST_BIAS, 0x00); 2566 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_MAST_BIAS, 0x00); 2567 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_MAIN, 0x06); 2568 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_MAIN, 0x06); 2569 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_BIAS_AUX, 0x07); 2570 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_BIAS_AUX, 0x07); 2571 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_LOB_BIAS, 0x88); 2572 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_LOB_BIAS, 0x88); 2573 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXA_CMFB_IDAC, 0x00); 2574 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXA_CMFB_IDAC, 0x00); 2575 b43_radio_write(dev, B2056_RX0 | B2056_RX_MIXG_CMFB_IDAC, 0x00); 2576 b43_radio_write(dev, B2056_RX1 | B2056_RX_MIXG_CMFB_IDAC, 0x00); 2577 2578 /* N PHY WAR TX Chain Update with hw_phytxchain as argument */ 2579 2580 if ((sprom->boardflags2_lo & B43_BFL2_APLL_WAR && 2581 b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) || 2582 (sprom->boardflags2_lo & B43_BFL2_GPLL_WAR && 2583 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) 2584 tmp32 = 0x00088888; 2585 else 2586 tmp32 = 0x88888888; 2587 b43_ntab_write(dev, B43_NTAB32(30, 1), tmp32); 2588 b43_ntab_write(dev, B43_NTAB32(30, 2), tmp32); 2589 b43_ntab_write(dev, B43_NTAB32(30, 3), tmp32); 2590 2591 if (dev->phy.rev == 4 && 2592 b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 2593 b43_radio_write(dev, B2056_TX0 | B2056_TX_GMBB_IDAC, 2594 0x70); 2595 b43_radio_write(dev, B2056_TX1 | B2056_TX_GMBB_IDAC, 2596 0x70); 2597 } 2598 2599 /* Dropped probably-always-true condition */ 2600 b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH0, 0x03eb); 2601 b43_phy_write(dev, B43_NPHY_ED_CRS40ASSERTTHRESH1, 0x03eb); 2602 b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341); 2603 b43_phy_write(dev, B43_NPHY_ED_CRS40DEASSERTTHRESH1, 0x0341); 2604 b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH0, 0x042b); 2605 b43_phy_write(dev, B43_NPHY_ED_CRS20LASSERTTHRESH1, 0x042b); 2606 b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH0, 0x0381); 2607 b43_phy_write(dev, B43_NPHY_ED_CRS20LDEASSERTTHRESH1, 0x0381); 2608 b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH0, 0x042b); 2609 b43_phy_write(dev, B43_NPHY_ED_CRS20UASSERTTHRESH1, 0x042b); 2610 b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH0, 0x0381); 2611 b43_phy_write(dev, B43_NPHY_ED_CRS20UDEASSERTTHRESH1, 0x0381); 2612 2613 if (dev->phy.rev >= 6 && sprom->boardflags2_lo & B43_BFL2_SINGLEANT_CCK) 2614 ; /* TODO: 0x0080000000000000 HF */ 2615} 2616 2617static void b43_nphy_workarounds_rev1_2(struct b43_wldev *dev) 2618{ 2619 struct ssb_sprom *sprom = dev->dev->bus_sprom; 2620 struct b43_phy *phy = &dev->phy; 2621 struct b43_phy_n *nphy = phy->n; 2622 2623 u8 events1[7] = { 0x0, 0x1, 0x2, 0x8, 0x4, 0x5, 0x3 }; 2624 u8 delays1[7] = { 0x8, 0x6, 0x6, 0x2, 0x4, 0x3C, 0x1 }; 2625 2626 u8 events2[7] = { 0x0, 0x3, 0x5, 0x4, 0x2, 0x1, 0x8 }; 2627 u8 delays2[7] = { 0x8, 0x6, 0x2, 0x4, 0x4, 0x6, 0x1 }; 2628 2629 if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD || 2630 dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93) { 2631 delays1[0] = 0x1; 2632 delays1[5] = 0x14; 2633 } 2634 2635 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ && 2636 nphy->band5g_pwrgain) { 2637 b43_radio_mask(dev, B2055_C1_TX_RF_SPARE, ~0x8); 2638 b43_radio_mask(dev, B2055_C2_TX_RF_SPARE, ~0x8); 2639 } else { 2640 b43_radio_set(dev, B2055_C1_TX_RF_SPARE, 0x8); 2641 b43_radio_set(dev, B2055_C2_TX_RF_SPARE, 0x8); 2642 } 2643 2644 b43_ntab_write(dev, B43_NTAB16(8, 0x00), 0x000A); 2645 b43_ntab_write(dev, B43_NTAB16(8, 0x10), 0x000A); 2646 if (dev->phy.rev < 3) { 2647 b43_ntab_write(dev, B43_NTAB16(8, 0x02), 0xCDAA); 2648 b43_ntab_write(dev, B43_NTAB16(8, 0x12), 0xCDAA); 2649 } 2650 2651 if (dev->phy.rev < 2) { 2652 b43_ntab_write(dev, B43_NTAB16(8, 0x08), 0x0000); 2653 b43_ntab_write(dev, B43_NTAB16(8, 0x18), 0x0000); 2654 b43_ntab_write(dev, B43_NTAB16(8, 0x07), 0x7AAB); 2655 b43_ntab_write(dev, B43_NTAB16(8, 0x17), 0x7AAB); 2656 b43_ntab_write(dev, B43_NTAB16(8, 0x06), 0x0800); 2657 b43_ntab_write(dev, B43_NTAB16(8, 0x16), 0x0800); 2658 } 2659 2660 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); 2661 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); 2662 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); 2663 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); 2664 2665 b43_nphy_set_rf_sequence(dev, 0, events1, delays1, 7); 2666 b43_nphy_set_rf_sequence(dev, 1, events2, delays2, 7); 2667 2668 b43_nphy_gain_ctl_workarounds(dev); 2669 2670 if (dev->phy.rev < 2) { 2671 if (b43_phy_read(dev, B43_NPHY_RXCTL) & 0x2) 2672 b43_hf_write(dev, b43_hf_read(dev) | 2673 B43_HF_MLADVW); 2674 } else if (dev->phy.rev == 2) { 2675 b43_phy_write(dev, B43_NPHY_CRSCHECK2, 0); 2676 b43_phy_write(dev, B43_NPHY_CRSCHECK3, 0); 2677 } 2678 2679 if (dev->phy.rev < 2) 2680 b43_phy_mask(dev, B43_NPHY_SCRAM_SIGCTL, 2681 ~B43_NPHY_SCRAM_SIGCTL_SCM); 2682 2683 /* Set phase track alpha and beta */ 2684 b43_phy_write(dev, B43_NPHY_PHASETR_A0, 0x125); 2685 b43_phy_write(dev, B43_NPHY_PHASETR_A1, 0x1B3); 2686 b43_phy_write(dev, B43_NPHY_PHASETR_A2, 0x105); 2687 b43_phy_write(dev, B43_NPHY_PHASETR_B0, 0x16E); 2688 b43_phy_write(dev, B43_NPHY_PHASETR_B1, 0xCD); 2689 b43_phy_write(dev, B43_NPHY_PHASETR_B2, 0x20); 2690 2691 if (dev->phy.rev < 3) { 2692 b43_phy_mask(dev, B43_NPHY_PIL_DW1, 2693 ~B43_NPHY_PIL_DW_64QAM & 0xFFFF); 2694 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B1, 0xB5); 2695 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B2, 0xA4); 2696 b43_phy_write(dev, B43_NPHY_TXF_20CO_S2B3, 0x00); 2697 } 2698 2699 if (dev->phy.rev == 2) 2700 b43_phy_set(dev, B43_NPHY_FINERX2_CGC, 2701 B43_NPHY_FINERX2_CGC_DECGC); 2702} 2703 2704/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Workarounds */ 2705static void b43_nphy_workarounds(struct b43_wldev *dev) 2706{ 2707 struct b43_phy *phy = &dev->phy; 2708 struct b43_phy_n *nphy = phy->n; 2709 2710 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) 2711 b43_nphy_classifier(dev, 1, 0); 2712 else 2713 b43_nphy_classifier(dev, 1, 1); 2714 2715 if (nphy->hang_avoid) 2716 b43_nphy_stay_in_carrier_search(dev, 1); 2717 2718 b43_phy_set(dev, B43_NPHY_IQFLIP, 2719 B43_NPHY_IQFLIP_ADC1 | B43_NPHY_IQFLIP_ADC2); 2720 2721 if (dev->phy.rev >= 7) 2722 b43_nphy_workarounds_rev7plus(dev); 2723 else if (dev->phy.rev >= 3) 2724 b43_nphy_workarounds_rev3plus(dev); 2725 else 2726 b43_nphy_workarounds_rev1_2(dev); 2727 2728 if (nphy->hang_avoid) 2729 b43_nphy_stay_in_carrier_search(dev, 0); 2730} 2731 2732/************************************************** 2733 * Tx/Rx common 2734 **************************************************/ 2735 2736/* 2737 * Transmits a known value for LO calibration 2738 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TXTone 2739 */ 2740static int b43_nphy_tx_tone(struct b43_wldev *dev, u32 freq, u16 max_val, 2741 bool iqmode, bool dac_test) 2742{ 2743 u16 samp = b43_nphy_gen_load_samples(dev, freq, max_val, dac_test); 2744 if (samp == 0) 2745 return -1; 2746 b43_nphy_run_samples(dev, samp, 0xFFFF, 0, iqmode, dac_test); 2747 return 0; 2748} 2749 2750/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/Chains */ 2751static void b43_nphy_update_txrx_chain(struct b43_wldev *dev) 2752{ 2753 struct b43_phy_n *nphy = dev->phy.n; 2754 2755 bool override = false; 2756 u16 chain = 0x33; 2757 2758 if (nphy->txrx_chain == 0) { 2759 chain = 0x11; 2760 override = true; 2761 } else if (nphy->txrx_chain == 1) { 2762 chain = 0x22; 2763 override = true; 2764 } 2765 2766 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, 2767 ~(B43_NPHY_RFSEQCA_TXEN | B43_NPHY_RFSEQCA_RXEN), 2768 chain); 2769 2770 if (override) 2771 b43_phy_set(dev, B43_NPHY_RFSEQMODE, 2772 B43_NPHY_RFSEQMODE_CAOVER); 2773 else 2774 b43_phy_mask(dev, B43_NPHY_RFSEQMODE, 2775 ~B43_NPHY_RFSEQMODE_CAOVER); 2776} 2777 2778/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/stop-playback */ 2779static void b43_nphy_stop_playback(struct b43_wldev *dev) 2780{ 2781 struct b43_phy_n *nphy = dev->phy.n; 2782 u16 tmp; 2783 2784 if (nphy->hang_avoid) 2785 b43_nphy_stay_in_carrier_search(dev, 1); 2786 2787 tmp = b43_phy_read(dev, B43_NPHY_SAMP_STAT); 2788 if (tmp & 0x1) 2789 b43_phy_set(dev, B43_NPHY_SAMP_CMD, B43_NPHY_SAMP_CMD_STOP); 2790 else if (tmp & 0x2) 2791 b43_phy_mask(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x7FFF); 2792 2793 b43_phy_mask(dev, B43_NPHY_SAMP_CMD, ~0x0004); 2794 2795 if (nphy->bb_mult_save & 0x80000000) { 2796 tmp = nphy->bb_mult_save & 0xFFFF; 2797 b43_ntab_write(dev, B43_NTAB16(15, 87), tmp); 2798 nphy->bb_mult_save = 0; 2799 } 2800 2801 if (nphy->hang_avoid) 2802 b43_nphy_stay_in_carrier_search(dev, 0); 2803} 2804 2805/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IqCalGainParams */ 2806static void b43_nphy_iq_cal_gain_params(struct b43_wldev *dev, u16 core, 2807 struct nphy_txgains target, 2808 struct nphy_iqcal_params *params) 2809{ 2810 int i, j, indx; 2811 u16 gain; 2812 2813 if (dev->phy.rev >= 3) { 2814 params->txgm = target.txgm[core]; 2815 params->pga = target.pga[core]; 2816 params->pad = target.pad[core]; 2817 params->ipa = target.ipa[core]; 2818 params->cal_gain = (params->txgm << 12) | (params->pga << 8) | 2819 (params->pad << 4) | (params->ipa); 2820 for (j = 0; j < 5; j++) 2821 params->ncorr[j] = 0x79; 2822 } else { 2823 gain = (target.pad[core]) | (target.pga[core] << 4) | 2824 (target.txgm[core] << 8); 2825 2826 indx = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 2827 1 : 0; 2828 for (i = 0; i < 9; i++) 2829 if (tbl_iqcal_gainparams[indx][i][0] == gain) 2830 break; 2831 i = min(i, 8); 2832 2833 params->txgm = tbl_iqcal_gainparams[indx][i][1]; 2834 params->pga = tbl_iqcal_gainparams[indx][i][2]; 2835 params->pad = tbl_iqcal_gainparams[indx][i][3]; 2836 params->cal_gain = (params->txgm << 7) | (params->pga << 4) | 2837 (params->pad << 2); 2838 for (j = 0; j < 4; j++) 2839 params->ncorr[j] = tbl_iqcal_gainparams[indx][i][4 + j]; 2840 } 2841} 2842 2843/************************************************** 2844 * Tx and Rx 2845 **************************************************/ 2846 2847static void b43_nphy_op_adjust_txpower(struct b43_wldev *dev) 2848{//TODO 2849} 2850 2851static enum b43_txpwr_result b43_nphy_op_recalc_txpower(struct b43_wldev *dev, 2852 bool ignore_tssi) 2853{//TODO 2854 return B43_TXPWR_RES_DONE; 2855} 2856 2857/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlEnable */ 2858static void b43_nphy_tx_power_ctrl(struct b43_wldev *dev, bool enable) 2859{ 2860 struct b43_phy_n *nphy = dev->phy.n; 2861 u8 i; 2862 u16 bmask, val, tmp; 2863 enum ieee80211_band band = b43_current_band(dev->wl); 2864 2865 if (nphy->hang_avoid) 2866 b43_nphy_stay_in_carrier_search(dev, 1); 2867 2868 nphy->txpwrctrl = enable; 2869 if (!enable) { 2870 if (dev->phy.rev >= 3 && 2871 (b43_phy_read(dev, B43_NPHY_TXPCTL_CMD) & 2872 (B43_NPHY_TXPCTL_CMD_COEFF | 2873 B43_NPHY_TXPCTL_CMD_HWPCTLEN | 2874 B43_NPHY_TXPCTL_CMD_PCTLEN))) { 2875 /* We disable enabled TX pwr ctl, save it's state */ 2876 nphy->tx_pwr_idx[0] = b43_phy_read(dev, 2877 B43_NPHY_C1_TXPCTL_STAT) & 0x7f; 2878 nphy->tx_pwr_idx[1] = b43_phy_read(dev, 2879 B43_NPHY_C2_TXPCTL_STAT) & 0x7f; 2880 } 2881 2882 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6840); 2883 for (i = 0; i < 84; i++) 2884 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0); 2885 2886 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 0x6C40); 2887 for (i = 0; i < 84; i++) 2888 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 0); 2889 2890 tmp = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN; 2891 if (dev->phy.rev >= 3) 2892 tmp |= B43_NPHY_TXPCTL_CMD_PCTLEN; 2893 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, ~tmp); 2894 2895 if (dev->phy.rev >= 3) { 2896 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100); 2897 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100); 2898 } else { 2899 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000); 2900 } 2901 2902 if (dev->phy.rev == 2) 2903 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, 2904 ~B43_NPHY_BPHY_CTL3_SCALE, 0x53); 2905 else if (dev->phy.rev < 2) 2906 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, 2907 ~B43_NPHY_BPHY_CTL3_SCALE, 0x5A); 2908 2909 if (dev->phy.rev < 2 && dev->phy.is_40mhz) 2910 b43_hf_write(dev, b43_hf_read(dev) | B43_HF_TSSIRPSMW); 2911 } else { 2912 b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, 2913 nphy->adj_pwr_tbl); 2914 b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, 2915 nphy->adj_pwr_tbl); 2916 2917 bmask = B43_NPHY_TXPCTL_CMD_COEFF | 2918 B43_NPHY_TXPCTL_CMD_HWPCTLEN; 2919 /* wl does useless check for "enable" param here */ 2920 val = B43_NPHY_TXPCTL_CMD_COEFF | B43_NPHY_TXPCTL_CMD_HWPCTLEN; 2921 if (dev->phy.rev >= 3) { 2922 bmask |= B43_NPHY_TXPCTL_CMD_PCTLEN; 2923 if (val) 2924 val |= B43_NPHY_TXPCTL_CMD_PCTLEN; 2925 } 2926 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, ~(bmask), val); 2927 2928 if (band == IEEE80211_BAND_5GHZ) { 2929 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, 2930 ~B43_NPHY_TXPCTL_CMD_INIT, 0x64); 2931 if (dev->phy.rev > 1) 2932 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, 2933 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 2934 0x64); 2935 } 2936 2937 if (dev->phy.rev >= 3) { 2938 if (nphy->tx_pwr_idx[0] != 128 && 2939 nphy->tx_pwr_idx[1] != 128) { 2940 /* Recover TX pwr ctl state */ 2941 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, 2942 ~B43_NPHY_TXPCTL_CMD_INIT, 2943 nphy->tx_pwr_idx[0]); 2944 if (dev->phy.rev > 1) 2945 b43_phy_maskset(dev, 2946 B43_NPHY_TXPCTL_INIT, 2947 ~0xff, nphy->tx_pwr_idx[1]); 2948 } 2949 } 2950 2951 if (dev->phy.rev >= 3) { 2952 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER1, ~0x100); 2953 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x100); 2954 } else { 2955 b43_phy_mask(dev, B43_NPHY_AFECTL_OVER, ~0x4000); 2956 } 2957 2958 if (dev->phy.rev == 2) 2959 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x3b); 2960 else if (dev->phy.rev < 2) 2961 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, ~0xFF, 0x40); 2962 2963 if (dev->phy.rev < 2 && dev->phy.is_40mhz) 2964 b43_hf_write(dev, b43_hf_read(dev) & ~B43_HF_TSSIRPSMW); 2965 2966 if (b43_nphy_ipa(dev)) { 2967 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x4); 2968 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x4); 2969 } 2970 } 2971 2972 if (nphy->hang_avoid) 2973 b43_nphy_stay_in_carrier_search(dev, 0); 2974} 2975 2976/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrFix */ 2977static void b43_nphy_tx_power_fix(struct b43_wldev *dev) 2978{ 2979 struct b43_phy_n *nphy = dev->phy.n; 2980 struct ssb_sprom *sprom = dev->dev->bus_sprom; 2981 2982 u8 txpi[2], bbmult, i; 2983 u16 tmp, radio_gain, dac_gain; 2984 u16 freq = dev->phy.channel_freq; 2985 u32 txgain; 2986 /* u32 gaintbl; rev3+ */ 2987 2988 if (nphy->hang_avoid) 2989 b43_nphy_stay_in_carrier_search(dev, 1); 2990 2991 if (dev->phy.rev >= 7) { 2992 txpi[0] = txpi[1] = 30; 2993 } else if (dev->phy.rev >= 3) { 2994 txpi[0] = 40; 2995 txpi[1] = 40; 2996 } else if (sprom->revision < 4) { 2997 txpi[0] = 72; 2998 txpi[1] = 72; 2999 } else { 3000 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 3001 txpi[0] = sprom->txpid2g[0]; 3002 txpi[1] = sprom->txpid2g[1]; 3003 } else if (freq >= 4900 && freq < 5100) { 3004 txpi[0] = sprom->txpid5gl[0]; 3005 txpi[1] = sprom->txpid5gl[1]; 3006 } else if (freq >= 5100 && freq < 5500) { 3007 txpi[0] = sprom->txpid5g[0]; 3008 txpi[1] = sprom->txpid5g[1]; 3009 } else if (freq >= 5500) { 3010 txpi[0] = sprom->txpid5gh[0]; 3011 txpi[1] = sprom->txpid5gh[1]; 3012 } else { 3013 txpi[0] = 91; 3014 txpi[1] = 91; 3015 } 3016 } 3017 if (dev->phy.rev < 7 && 3018 (txpi[0] < 40 || txpi[0] > 100 || txpi[1] < 40 || txpi[1] > 100)) 3019 txpi[0] = txpi[1] = 91; 3020 3021 /* 3022 for (i = 0; i < 2; i++) { 3023 nphy->txpwrindex[i].index_internal = txpi[i]; 3024 nphy->txpwrindex[i].index_internal_save = txpi[i]; 3025 } 3026 */ 3027 3028 for (i = 0; i < 2; i++) { 3029 txgain = *(b43_nphy_get_tx_gain_table(dev) + txpi[i]); 3030 3031 if (dev->phy.rev >= 3) 3032 radio_gain = (txgain >> 16) & 0x1FFFF; 3033 else 3034 radio_gain = (txgain >> 16) & 0x1FFF; 3035 3036 if (dev->phy.rev >= 7) 3037 dac_gain = (txgain >> 8) & 0x7; 3038 else 3039 dac_gain = (txgain >> 8) & 0x3F; 3040 bbmult = txgain & 0xFF; 3041 3042 if (dev->phy.rev >= 3) { 3043 if (i == 0) 3044 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0100); 3045 else 3046 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0100); 3047 } else { 3048 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x4000); 3049 } 3050 3051 if (i == 0) 3052 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN1, dac_gain); 3053 else 3054 b43_phy_write(dev, B43_NPHY_AFECTL_DACGAIN2, dac_gain); 3055 3056 b43_ntab_write(dev, B43_NTAB16(0x7, 0x110 + i), radio_gain); 3057 3058 tmp = b43_ntab_read(dev, B43_NTAB16(0xF, 0x57)); 3059 if (i == 0) 3060 tmp = (tmp & 0x00FF) | (bbmult << 8); 3061 else 3062 tmp = (tmp & 0xFF00) | bbmult; 3063 b43_ntab_write(dev, B43_NTAB16(0xF, 0x57), tmp); 3064 3065 if (b43_nphy_ipa(dev)) { 3066 u32 tmp32; 3067 u16 reg = (i == 0) ? 3068 B43_NPHY_PAPD_EN0 : B43_NPHY_PAPD_EN1; 3069 tmp32 = b43_ntab_read(dev, B43_NTAB32(26 + i, 3070 576 + txpi[i])); 3071 b43_phy_maskset(dev, reg, 0xE00F, (u32) tmp32 << 4); 3072 b43_phy_set(dev, reg, 0x4); 3073 } 3074 } 3075 3076 b43_phy_mask(dev, B43_NPHY_BPHY_CTL2, ~B43_NPHY_BPHY_CTL2_LUT); 3077 3078 if (nphy->hang_avoid) 3079 b43_nphy_stay_in_carrier_search(dev, 0); 3080} 3081 3082static void b43_nphy_ipa_internal_tssi_setup(struct b43_wldev *dev) 3083{ 3084 struct b43_phy *phy = &dev->phy; 3085 3086 u8 core; 3087 u16 r; /* routing */ 3088 3089 if (phy->rev >= 7) { 3090 for (core = 0; core < 2; core++) { 3091 r = core ? 0x190 : 0x170; 3092 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 3093 b43_radio_write(dev, r + 0x5, 0x5); 3094 b43_radio_write(dev, r + 0x9, 0xE); 3095 if (phy->rev != 5) 3096 b43_radio_write(dev, r + 0xA, 0); 3097 if (phy->rev != 7) 3098 b43_radio_write(dev, r + 0xB, 1); 3099 else 3100 b43_radio_write(dev, r + 0xB, 0x31); 3101 } else { 3102 b43_radio_write(dev, r + 0x5, 0x9); 3103 b43_radio_write(dev, r + 0x9, 0xC); 3104 b43_radio_write(dev, r + 0xB, 0x0); 3105 if (phy->rev != 5) 3106 b43_radio_write(dev, r + 0xA, 1); 3107 else 3108 b43_radio_write(dev, r + 0xA, 0x31); 3109 } 3110 b43_radio_write(dev, r + 0x6, 0); 3111 b43_radio_write(dev, r + 0x7, 0); 3112 b43_radio_write(dev, r + 0x8, 3); 3113 b43_radio_write(dev, r + 0xC, 0); 3114 } 3115 } else { 3116 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 3117 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x128); 3118 else 3119 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR31, 0x80); 3120 b43_radio_write(dev, B2056_SYN_RESERVED_ADDR30, 0); 3121 b43_radio_write(dev, B2056_SYN_GPIO_MASTER1, 0x29); 3122 3123 for (core = 0; core < 2; core++) { 3124 r = core ? B2056_TX1 : B2056_TX0; 3125 3126 b43_radio_write(dev, r | B2056_TX_IQCAL_VCM_HG, 0); 3127 b43_radio_write(dev, r | B2056_TX_IQCAL_IDAC, 0); 3128 b43_radio_write(dev, r | B2056_TX_TSSI_VCM, 3); 3129 b43_radio_write(dev, r | B2056_TX_TX_AMP_DET, 0); 3130 b43_radio_write(dev, r | B2056_TX_TSSI_MISC1, 8); 3131 b43_radio_write(dev, r | B2056_TX_TSSI_MISC2, 0); 3132 b43_radio_write(dev, r | B2056_TX_TSSI_MISC3, 0); 3133 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 3134 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER, 3135 0x5); 3136 if (phy->rev != 5) 3137 b43_radio_write(dev, r | B2056_TX_TSSIA, 3138 0x00); 3139 if (phy->rev >= 5) 3140 b43_radio_write(dev, r | B2056_TX_TSSIG, 3141 0x31); 3142 else 3143 b43_radio_write(dev, r | B2056_TX_TSSIG, 3144 0x11); 3145 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX, 3146 0xE); 3147 } else { 3148 b43_radio_write(dev, r | B2056_TX_TX_SSI_MASTER, 3149 0x9); 3150 b43_radio_write(dev, r | B2056_TX_TSSIA, 0x31); 3151 b43_radio_write(dev, r | B2056_TX_TSSIG, 0x0); 3152 b43_radio_write(dev, r | B2056_TX_TX_SSI_MUX, 3153 0xC); 3154 } 3155 } 3156 } 3157} 3158 3159/* 3160 * Stop radio and transmit known signal. Then check received signal strength to 3161 * get TSSI (Transmit Signal Strength Indicator). 3162 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlIdleTssi 3163 */ 3164static void b43_nphy_tx_power_ctl_idle_tssi(struct b43_wldev *dev) 3165{ 3166 struct b43_phy *phy = &dev->phy; 3167 struct b43_phy_n *nphy = dev->phy.n; 3168 3169 u32 tmp; 3170 s32 rssi[4] = { }; 3171 3172 /* TODO: check if we can transmit */ 3173 3174 if (b43_nphy_ipa(dev)) 3175 b43_nphy_ipa_internal_tssi_setup(dev); 3176 3177 if (phy->rev >= 7) 3178 b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, false, 0); 3179 else if (phy->rev >= 3) 3180 b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, false); 3181 3182 b43_nphy_stop_playback(dev); 3183 b43_nphy_tx_tone(dev, 0xFA0, 0, false, false); 3184 udelay(20); 3185 tmp = b43_nphy_poll_rssi(dev, N_RSSI_TSSI_2G, rssi, 1); 3186 b43_nphy_stop_playback(dev); 3187 b43_nphy_rssi_select(dev, 0, N_RSSI_W1); 3188 3189 if (phy->rev >= 7) 3190 b43_nphy_rf_ctl_override_rev7(dev, 0x2000, 0, 3, true, 0); 3191 else if (phy->rev >= 3) 3192 b43_nphy_rf_ctl_override(dev, 0x2000, 0, 3, true); 3193 3194 if (phy->rev >= 3) { 3195 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 24) & 0xFF; 3196 nphy->pwr_ctl_info[1].idle_tssi_5g = (tmp >> 8) & 0xFF; 3197 } else { 3198 nphy->pwr_ctl_info[0].idle_tssi_5g = (tmp >> 16) & 0xFF; 3199 nphy->pwr_ctl_info[1].idle_tssi_5g = tmp & 0xFF; 3200 } 3201 nphy->pwr_ctl_info[0].idle_tssi_2g = (tmp >> 24) & 0xFF; 3202 nphy->pwr_ctl_info[1].idle_tssi_2g = (tmp >> 8) & 0xFF; 3203} 3204 3205/* http://bcm-v4.sipsolutions.net/PHY/N/TxPwrLimitToTbl */ 3206static void b43_nphy_tx_prepare_adjusted_power_table(struct b43_wldev *dev) 3207{ 3208 struct b43_phy_n *nphy = dev->phy.n; 3209 3210 u8 idx, delta; 3211 u8 i, stf_mode; 3212 3213 for (i = 0; i < 4; i++) 3214 nphy->adj_pwr_tbl[i] = nphy->tx_power_offset[i]; 3215 3216 for (stf_mode = 0; stf_mode < 4; stf_mode++) { 3217 delta = 0; 3218 switch (stf_mode) { 3219 case 0: 3220 if (dev->phy.is_40mhz && dev->phy.rev >= 5) { 3221 idx = 68; 3222 } else { 3223 delta = 1; 3224 idx = dev->phy.is_40mhz ? 52 : 4; 3225 } 3226 break; 3227 case 1: 3228 idx = dev->phy.is_40mhz ? 76 : 28; 3229 break; 3230 case 2: 3231 idx = dev->phy.is_40mhz ? 84 : 36; 3232 break; 3233 case 3: 3234 idx = dev->phy.is_40mhz ? 92 : 44; 3235 break; 3236 } 3237 3238 for (i = 0; i < 20; i++) { 3239 nphy->adj_pwr_tbl[4 + 4 * i + stf_mode] = 3240 nphy->tx_power_offset[idx]; 3241 if (i == 0) 3242 idx += delta; 3243 if (i == 14) 3244 idx += 1 - delta; 3245 if (i == 3 || i == 4 || i == 7 || i == 8 || i == 11 || 3246 i == 13) 3247 idx += 1; 3248 } 3249 } 3250} 3251 3252/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlSetup */ 3253static void b43_nphy_tx_power_ctl_setup(struct b43_wldev *dev) 3254{ 3255 struct b43_phy_n *nphy = dev->phy.n; 3256 struct ssb_sprom *sprom = dev->dev->bus_sprom; 3257 3258 s16 a1[2], b0[2], b1[2]; 3259 u8 idle[2]; 3260 s8 target[2]; 3261 s32 num, den, pwr; 3262 u32 regval[64]; 3263 3264 u16 freq = dev->phy.channel_freq; 3265 u16 tmp; 3266 u16 r; /* routing */ 3267 u8 i, c; 3268 3269 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { 3270 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000); 3271 b43_read32(dev, B43_MMIO_MACCTL); 3272 udelay(1); 3273 } 3274 3275 if (nphy->hang_avoid) 3276 b43_nphy_stay_in_carrier_search(dev, true); 3277 3278 b43_phy_set(dev, B43_NPHY_TSSIMODE, B43_NPHY_TSSIMODE_EN); 3279 if (dev->phy.rev >= 3) 3280 b43_phy_mask(dev, B43_NPHY_TXPCTL_CMD, 3281 ~B43_NPHY_TXPCTL_CMD_PCTLEN & 0xFFFF); 3282 else 3283 b43_phy_set(dev, B43_NPHY_TXPCTL_CMD, 3284 B43_NPHY_TXPCTL_CMD_PCTLEN); 3285 3286 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) 3287 b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0); 3288 3289 if (sprom->revision < 4) { 3290 idle[0] = nphy->pwr_ctl_info[0].idle_tssi_2g; 3291 idle[1] = nphy->pwr_ctl_info[1].idle_tssi_2g; 3292 target[0] = target[1] = 52; 3293 a1[0] = a1[1] = -424; 3294 b0[0] = b0[1] = 5612; 3295 b1[0] = b1[1] = -1393; 3296 } else { 3297 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 3298 for (c = 0; c < 2; c++) { 3299 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_2g; 3300 target[c] = sprom->core_pwr_info[c].maxpwr_2g; 3301 a1[c] = sprom->core_pwr_info[c].pa_2g[0]; 3302 b0[c] = sprom->core_pwr_info[c].pa_2g[1]; 3303 b1[c] = sprom->core_pwr_info[c].pa_2g[2]; 3304 } 3305 } else if (freq >= 4900 && freq < 5100) { 3306 for (c = 0; c < 2; c++) { 3307 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; 3308 target[c] = sprom->core_pwr_info[c].maxpwr_5gl; 3309 a1[c] = sprom->core_pwr_info[c].pa_5gl[0]; 3310 b0[c] = sprom->core_pwr_info[c].pa_5gl[1]; 3311 b1[c] = sprom->core_pwr_info[c].pa_5gl[2]; 3312 } 3313 } else if (freq >= 5100 && freq < 5500) { 3314 for (c = 0; c < 2; c++) { 3315 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; 3316 target[c] = sprom->core_pwr_info[c].maxpwr_5g; 3317 a1[c] = sprom->core_pwr_info[c].pa_5g[0]; 3318 b0[c] = sprom->core_pwr_info[c].pa_5g[1]; 3319 b1[c] = sprom->core_pwr_info[c].pa_5g[2]; 3320 } 3321 } else if (freq >= 5500) { 3322 for (c = 0; c < 2; c++) { 3323 idle[c] = nphy->pwr_ctl_info[c].idle_tssi_5g; 3324 target[c] = sprom->core_pwr_info[c].maxpwr_5gh; 3325 a1[c] = sprom->core_pwr_info[c].pa_5gh[0]; 3326 b0[c] = sprom->core_pwr_info[c].pa_5gh[1]; 3327 b1[c] = sprom->core_pwr_info[c].pa_5gh[2]; 3328 } 3329 } else { 3330 idle[0] = nphy->pwr_ctl_info[0].idle_tssi_5g; 3331 idle[1] = nphy->pwr_ctl_info[1].idle_tssi_5g; 3332 target[0] = target[1] = 52; 3333 a1[0] = a1[1] = -424; 3334 b0[0] = b0[1] = 5612; 3335 b1[0] = b1[1] = -1393; 3336 } 3337 } 3338 /* target[0] = target[1] = nphy->tx_power_max; */ 3339 3340 if (dev->phy.rev >= 3) { 3341 if (sprom->fem.ghz2.tssipos) 3342 b43_phy_set(dev, B43_NPHY_TXPCTL_ITSSI, 0x4000); 3343 if (dev->phy.rev >= 7) { 3344 for (c = 0; c < 2; c++) { 3345 r = c ? 0x190 : 0x170; 3346 if (b43_nphy_ipa(dev)) 3347 b43_radio_write(dev, r + 0x9, (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) ? 0xE : 0xC); 3348 } 3349 } else { 3350 if (b43_nphy_ipa(dev)) { 3351 tmp = (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) ? 0xC : 0xE; 3352 b43_radio_write(dev, 3353 B2056_TX0 | B2056_TX_TX_SSI_MUX, tmp); 3354 b43_radio_write(dev, 3355 B2056_TX1 | B2056_TX_TX_SSI_MUX, tmp); 3356 } else { 3357 b43_radio_write(dev, 3358 B2056_TX0 | B2056_TX_TX_SSI_MUX, 0x11); 3359 b43_radio_write(dev, 3360 B2056_TX1 | B2056_TX_TX_SSI_MUX, 0x11); 3361 } 3362 } 3363 } 3364 3365 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) { 3366 b43_maskset32(dev, B43_MMIO_MACCTL, ~0, 0x200000); 3367 b43_read32(dev, B43_MMIO_MACCTL); 3368 udelay(1); 3369 } 3370 3371 if (dev->phy.rev >= 7) { 3372 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, 3373 ~B43_NPHY_TXPCTL_CMD_INIT, 0x19); 3374 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, 3375 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x19); 3376 } else { 3377 b43_phy_maskset(dev, B43_NPHY_TXPCTL_CMD, 3378 ~B43_NPHY_TXPCTL_CMD_INIT, 0x40); 3379 if (dev->phy.rev > 1) 3380 b43_phy_maskset(dev, B43_NPHY_TXPCTL_INIT, 3381 ~B43_NPHY_TXPCTL_INIT_PIDXI1, 0x40); 3382 } 3383 3384 if (dev->dev->core_rev == 11 || dev->dev->core_rev == 12) 3385 b43_maskset32(dev, B43_MMIO_MACCTL, ~0x200000, 0); 3386 3387 b43_phy_write(dev, B43_NPHY_TXPCTL_N, 3388 0xF0 << B43_NPHY_TXPCTL_N_TSSID_SHIFT | 3389 3 << B43_NPHY_TXPCTL_N_NPTIL2_SHIFT); 3390 b43_phy_write(dev, B43_NPHY_TXPCTL_ITSSI, 3391 idle[0] << B43_NPHY_TXPCTL_ITSSI_0_SHIFT | 3392 idle[1] << B43_NPHY_TXPCTL_ITSSI_1_SHIFT | 3393 B43_NPHY_TXPCTL_ITSSI_BINF); 3394 b43_phy_write(dev, B43_NPHY_TXPCTL_TPWR, 3395 target[0] << B43_NPHY_TXPCTL_TPWR_0_SHIFT | 3396 target[1] << B43_NPHY_TXPCTL_TPWR_1_SHIFT); 3397 3398 for (c = 0; c < 2; c++) { 3399 for (i = 0; i < 64; i++) { 3400 num = 8 * (16 * b0[c] + b1[c] * i); 3401 den = 32768 + a1[c] * i; 3402 pwr = max((4 * num + den / 2) / den, -8); 3403 if (dev->phy.rev < 3 && (i <= (31 - idle[c] + 1))) 3404 pwr = max(pwr, target[c] + 1); 3405 regval[i] = pwr; 3406 } 3407 b43_ntab_write_bulk(dev, B43_NTAB32(26 + c, 0), 64, regval); 3408 } 3409 3410 b43_nphy_tx_prepare_adjusted_power_table(dev); 3411 /* 3412 b43_ntab_write_bulk(dev, B43_NTAB16(26, 64), 84, nphy->adj_pwr_tbl); 3413 b43_ntab_write_bulk(dev, B43_NTAB16(27, 64), 84, nphy->adj_pwr_tbl); 3414 */ 3415 3416 if (nphy->hang_avoid) 3417 b43_nphy_stay_in_carrier_search(dev, false); 3418} 3419 3420static void b43_nphy_tx_gain_table_upload(struct b43_wldev *dev) 3421{ 3422 struct b43_phy *phy = &dev->phy; 3423 3424 const u32 *table = NULL; 3425 u32 rfpwr_offset; 3426 u8 pga_gain; 3427 int i; 3428 3429 table = b43_nphy_get_tx_gain_table(dev); 3430 b43_ntab_write_bulk(dev, B43_NTAB32(26, 192), 128, table); 3431 b43_ntab_write_bulk(dev, B43_NTAB32(27, 192), 128, table); 3432 3433 if (phy->rev >= 3) { 3434#if 0 3435 nphy->gmval = (table[0] >> 16) & 0x7000; 3436#endif 3437 3438 for (i = 0; i < 128; i++) { 3439 pga_gain = (table[i] >> 24) & 0xF; 3440 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 3441 rfpwr_offset = 3442 b43_ntab_papd_pga_gain_delta_ipa_2g[pga_gain]; 3443 else 3444 rfpwr_offset = 3445 0; /* FIXME */ 3446 b43_ntab_write(dev, B43_NTAB32(26, 576 + i), 3447 rfpwr_offset); 3448 b43_ntab_write(dev, B43_NTAB32(27, 576 + i), 3449 rfpwr_offset); 3450 } 3451 } 3452} 3453 3454/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/PA%20override */ 3455static void b43_nphy_pa_override(struct b43_wldev *dev, bool enable) 3456{ 3457 struct b43_phy_n *nphy = dev->phy.n; 3458 enum ieee80211_band band; 3459 u16 tmp; 3460 3461 if (!enable) { 3462 nphy->rfctrl_intc1_save = b43_phy_read(dev, 3463 B43_NPHY_RFCTL_INTC1); 3464 nphy->rfctrl_intc2_save = b43_phy_read(dev, 3465 B43_NPHY_RFCTL_INTC2); 3466 band = b43_current_band(dev->wl); 3467 if (dev->phy.rev >= 3) { 3468 if (band == IEEE80211_BAND_5GHZ) 3469 tmp = 0x600; 3470 else 3471 tmp = 0x480; 3472 } else { 3473 if (band == IEEE80211_BAND_5GHZ) 3474 tmp = 0x180; 3475 else 3476 tmp = 0x120; 3477 } 3478 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp); 3479 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp); 3480 } else { 3481 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 3482 nphy->rfctrl_intc1_save); 3483 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 3484 nphy->rfctrl_intc2_save); 3485 } 3486} 3487 3488/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxLpFbw */ 3489static void b43_nphy_tx_lp_fbw(struct b43_wldev *dev) 3490{ 3491 u16 tmp; 3492 3493 if (dev->phy.rev >= 3) { 3494 if (b43_nphy_ipa(dev)) { 3495 tmp = 4; 3496 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S2, 3497 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); 3498 } 3499 3500 tmp = 1; 3501 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S2, 3502 (((((tmp << 3) | tmp) << 3) | tmp) << 3) | tmp); 3503 } 3504} 3505 3506/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqEst */ 3507static void b43_nphy_rx_iq_est(struct b43_wldev *dev, struct nphy_iq_est *est, 3508 u16 samps, u8 time, bool wait) 3509{ 3510 int i; 3511 u16 tmp; 3512 3513 b43_phy_write(dev, B43_NPHY_IQEST_SAMCNT, samps); 3514 b43_phy_maskset(dev, B43_NPHY_IQEST_WT, ~B43_NPHY_IQEST_WT_VAL, time); 3515 if (wait) 3516 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_MODE); 3517 else 3518 b43_phy_mask(dev, B43_NPHY_IQEST_CMD, ~B43_NPHY_IQEST_CMD_MODE); 3519 3520 b43_phy_set(dev, B43_NPHY_IQEST_CMD, B43_NPHY_IQEST_CMD_START); 3521 3522 for (i = 1000; i; i--) { 3523 tmp = b43_phy_read(dev, B43_NPHY_IQEST_CMD); 3524 if (!(tmp & B43_NPHY_IQEST_CMD_START)) { 3525 est->i0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI0) << 16) | 3526 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO0); 3527 est->q0_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI0) << 16) | 3528 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO0); 3529 est->iq0_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI0) << 16) | 3530 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO0); 3531 3532 est->i1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_IPACC_HI1) << 16) | 3533 b43_phy_read(dev, B43_NPHY_IQEST_IPACC_LO1); 3534 est->q1_pwr = (b43_phy_read(dev, B43_NPHY_IQEST_QPACC_HI1) << 16) | 3535 b43_phy_read(dev, B43_NPHY_IQEST_QPACC_LO1); 3536 est->iq1_prod = (b43_phy_read(dev, B43_NPHY_IQEST_IQACC_HI1) << 16) | 3537 b43_phy_read(dev, B43_NPHY_IQEST_IQACC_LO1); 3538 return; 3539 } 3540 udelay(10); 3541 } 3542 memset(est, 0, sizeof(*est)); 3543} 3544 3545/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxIqCoeffs */ 3546static void b43_nphy_rx_iq_coeffs(struct b43_wldev *dev, bool write, 3547 struct b43_phy_n_iq_comp *pcomp) 3548{ 3549 if (write) { 3550 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPA0, pcomp->a0); 3551 b43_phy_write(dev, B43_NPHY_C1_RXIQ_COMPB0, pcomp->b0); 3552 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPA1, pcomp->a1); 3553 b43_phy_write(dev, B43_NPHY_C2_RXIQ_COMPB1, pcomp->b1); 3554 } else { 3555 pcomp->a0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPA0); 3556 pcomp->b0 = b43_phy_read(dev, B43_NPHY_C1_RXIQ_COMPB0); 3557 pcomp->a1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPA1); 3558 pcomp->b1 = b43_phy_read(dev, B43_NPHY_C2_RXIQ_COMPB1); 3559 } 3560} 3561 3562#if 0 3563/* Ready but not used anywhere */ 3564/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhyCleanup */ 3565static void b43_nphy_rx_cal_phy_cleanup(struct b43_wldev *dev, u8 core) 3566{ 3567 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; 3568 3569 b43_phy_write(dev, B43_NPHY_RFSEQCA, regs[0]); 3570 if (core == 0) { 3571 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[1]); 3572 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]); 3573 } else { 3574 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]); 3575 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]); 3576 } 3577 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[3]); 3578 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[4]); 3579 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO1, regs[5]); 3580 b43_phy_write(dev, B43_NPHY_RFCTL_RSSIO2, regs[6]); 3581 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, regs[7]); 3582 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, regs[8]); 3583 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]); 3584 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]); 3585} 3586 3587/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCalPhySetup */ 3588static void b43_nphy_rx_cal_phy_setup(struct b43_wldev *dev, u8 core) 3589{ 3590 u8 rxval, txval; 3591 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; 3592 3593 regs[0] = b43_phy_read(dev, B43_NPHY_RFSEQCA); 3594 if (core == 0) { 3595 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); 3596 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); 3597 } else { 3598 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); 3599 regs[2] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); 3600 } 3601 regs[3] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); 3602 regs[4] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); 3603 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO1); 3604 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_RSSIO2); 3605 regs[7] = b43_phy_read(dev, B43_NPHY_TXF_40CO_B1S1); 3606 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_OVER); 3607 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0); 3608 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1); 3609 3610 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001); 3611 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001); 3612 3613 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, 3614 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF, 3615 ((1 - core) << B43_NPHY_RFSEQCA_RXDIS_SHIFT)); 3616 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN, 3617 ((1 - core) << B43_NPHY_RFSEQCA_TXEN_SHIFT)); 3618 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN, 3619 (core << B43_NPHY_RFSEQCA_RXEN_SHIFT)); 3620 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXDIS, 3621 (core << B43_NPHY_RFSEQCA_TXDIS_SHIFT)); 3622 3623 if (core == 0) { 3624 b43_phy_mask(dev, B43_NPHY_AFECTL_C1, ~0x0007); 3625 b43_phy_set(dev, B43_NPHY_AFECTL_OVER1, 0x0007); 3626 } else { 3627 b43_phy_mask(dev, B43_NPHY_AFECTL_C2, ~0x0007); 3628 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0007); 3629 } 3630 3631 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 0, 3); 3632 b43_nphy_rf_ctl_override(dev, 8, 0, 3, false); 3633 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX); 3634 3635 if (core == 0) { 3636 rxval = 1; 3637 txval = 8; 3638 } else { 3639 rxval = 4; 3640 txval = 2; 3641 } 3642 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, rxval, 3643 core + 1); 3644 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, txval, 3645 2 - core); 3646} 3647#endif 3648 3649/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalcRxIqComp */ 3650static void b43_nphy_calc_rx_iq_comp(struct b43_wldev *dev, u8 mask) 3651{ 3652 int i; 3653 s32 iq; 3654 u32 ii; 3655 u32 qq; 3656 int iq_nbits, qq_nbits; 3657 int arsh, brsh; 3658 u16 tmp, a, b; 3659 3660 struct nphy_iq_est est; 3661 struct b43_phy_n_iq_comp old; 3662 struct b43_phy_n_iq_comp new = { }; 3663 bool error = false; 3664 3665 if (mask == 0) 3666 return; 3667 3668 b43_nphy_rx_iq_coeffs(dev, false, &old); 3669 b43_nphy_rx_iq_coeffs(dev, true, &new); 3670 b43_nphy_rx_iq_est(dev, &est, 0x4000, 32, false); 3671 new = old; 3672 3673 for (i = 0; i < 2; i++) { 3674 if (i == 0 && (mask & 1)) { 3675 iq = est.iq0_prod; 3676 ii = est.i0_pwr; 3677 qq = est.q0_pwr; 3678 } else if (i == 1 && (mask & 2)) { 3679 iq = est.iq1_prod; 3680 ii = est.i1_pwr; 3681 qq = est.q1_pwr; 3682 } else { 3683 continue; 3684 } 3685 3686 if (ii + qq < 2) { 3687 error = true; 3688 break; 3689 } 3690 3691 iq_nbits = fls(abs(iq)); 3692 qq_nbits = fls(qq); 3693 3694 arsh = iq_nbits - 20; 3695 if (arsh >= 0) { 3696 a = -((iq << (30 - iq_nbits)) + (ii >> (1 + arsh))); 3697 tmp = ii >> arsh; 3698 } else { 3699 a = -((iq << (30 - iq_nbits)) + (ii << (-1 - arsh))); 3700 tmp = ii << -arsh; 3701 } 3702 if (tmp == 0) { 3703 error = true; 3704 break; 3705 } 3706 a /= tmp; 3707 3708 brsh = qq_nbits - 11; 3709 if (brsh >= 0) { 3710 b = (qq << (31 - qq_nbits)); 3711 tmp = ii >> brsh; 3712 } else { 3713 b = (qq << (31 - qq_nbits)); 3714 tmp = ii << -brsh; 3715 } 3716 if (tmp == 0) { 3717 error = true; 3718 break; 3719 } 3720 b = int_sqrt(b / tmp - a * a) - (1 << 10); 3721 3722 if (i == 0 && (mask & 0x1)) { 3723 if (dev->phy.rev >= 3) { 3724 new.a0 = a & 0x3FF; 3725 new.b0 = b & 0x3FF; 3726 } else { 3727 new.a0 = b & 0x3FF; 3728 new.b0 = a & 0x3FF; 3729 } 3730 } else if (i == 1 && (mask & 0x2)) { 3731 if (dev->phy.rev >= 3) { 3732 new.a1 = a & 0x3FF; 3733 new.b1 = b & 0x3FF; 3734 } else { 3735 new.a1 = b & 0x3FF; 3736 new.b1 = a & 0x3FF; 3737 } 3738 } 3739 } 3740 3741 if (error) 3742 new = old; 3743 3744 b43_nphy_rx_iq_coeffs(dev, true, &new); 3745} 3746 3747/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxIqWar */ 3748static void b43_nphy_tx_iq_workaround(struct b43_wldev *dev) 3749{ 3750 u16 array[4]; 3751 b43_ntab_read_bulk(dev, B43_NTAB16(0xF, 0x50), 4, array); 3752 3753 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW0, array[0]); 3754 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW1, array[1]); 3755 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW2, array[2]); 3756 b43_shm_write16(dev, B43_SHM_SHARED, B43_SHM_SH_NPHY_TXIQW3, array[3]); 3757} 3758 3759/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SpurWar */ 3760static void b43_nphy_spur_workaround(struct b43_wldev *dev) 3761{ 3762 struct b43_phy_n *nphy = dev->phy.n; 3763 3764 u8 channel = dev->phy.channel; 3765 int tone[2] = { 57, 58 }; 3766 u32 noise[2] = { 0x3FF, 0x3FF }; 3767 3768 B43_WARN_ON(dev->phy.rev < 3); 3769 3770 if (nphy->hang_avoid) 3771 b43_nphy_stay_in_carrier_search(dev, 1); 3772 3773 if (nphy->gband_spurwar_en) { 3774 /* TODO: N PHY Adjust Analog Pfbw (7) */ 3775 if (channel == 11 && dev->phy.is_40mhz) 3776 ; /* TODO: N PHY Adjust Min Noise Var(2, tone, noise)*/ 3777 else 3778 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/ 3779 /* TODO: N PHY Adjust CRS Min Power (0x1E) */ 3780 } 3781 3782 if (nphy->aband_spurwar_en) { 3783 if (channel == 54) { 3784 tone[0] = 0x20; 3785 noise[0] = 0x25F; 3786 } else if (channel == 38 || channel == 102 || channel == 118) { 3787 if (0 /* FIXME */) { 3788 tone[0] = 0x20; 3789 noise[0] = 0x21F; 3790 } else { 3791 tone[0] = 0; 3792 noise[0] = 0; 3793 } 3794 } else if (channel == 134) { 3795 tone[0] = 0x20; 3796 noise[0] = 0x21F; 3797 } else if (channel == 151) { 3798 tone[0] = 0x10; 3799 noise[0] = 0x23F; 3800 } else if (channel == 153 || channel == 161) { 3801 tone[0] = 0x30; 3802 noise[0] = 0x23F; 3803 } else { 3804 tone[0] = 0; 3805 noise[0] = 0; 3806 } 3807 3808 if (!tone[0] && !noise[0]) 3809 ; /* TODO: N PHY Adjust Min Noise Var(1, tone, noise)*/ 3810 else 3811 ; /* TODO: N PHY Adjust Min Noise Var(0, NULL, NULL)*/ 3812 } 3813 3814 if (nphy->hang_avoid) 3815 b43_nphy_stay_in_carrier_search(dev, 0); 3816} 3817 3818/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxPwrCtrlCoefSetup */ 3819static void b43_nphy_tx_pwr_ctrl_coef_setup(struct b43_wldev *dev) 3820{ 3821 struct b43_phy_n *nphy = dev->phy.n; 3822 int i, j; 3823 u32 tmp; 3824 u32 cur_real, cur_imag, real_part, imag_part; 3825 3826 u16 buffer[7]; 3827 3828 if (nphy->hang_avoid) 3829 b43_nphy_stay_in_carrier_search(dev, true); 3830 3831 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer); 3832 3833 for (i = 0; i < 2; i++) { 3834 tmp = ((buffer[i * 2] & 0x3FF) << 10) | 3835 (buffer[i * 2 + 1] & 0x3FF); 3836 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 3837 (((i + 26) << 10) | 320)); 3838 for (j = 0; j < 128; j++) { 3839 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI, 3840 ((tmp >> 16) & 0xFFFF)); 3841 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 3842 (tmp & 0xFFFF)); 3843 } 3844 } 3845 3846 for (i = 0; i < 2; i++) { 3847 tmp = buffer[5 + i]; 3848 real_part = (tmp >> 8) & 0xFF; 3849 imag_part = (tmp & 0xFF); 3850 b43_phy_write(dev, B43_NPHY_TABLE_ADDR, 3851 (((i + 26) << 10) | 448)); 3852 3853 if (dev->phy.rev >= 3) { 3854 cur_real = real_part; 3855 cur_imag = imag_part; 3856 tmp = ((cur_real & 0xFF) << 8) | (cur_imag & 0xFF); 3857 } 3858 3859 for (j = 0; j < 128; j++) { 3860 if (dev->phy.rev < 3) { 3861 cur_real = (real_part * loscale[j] + 128) >> 8; 3862 cur_imag = (imag_part * loscale[j] + 128) >> 8; 3863 tmp = ((cur_real & 0xFF) << 8) | 3864 (cur_imag & 0xFF); 3865 } 3866 b43_phy_write(dev, B43_NPHY_TABLE_DATAHI, 3867 ((tmp >> 16) & 0xFFFF)); 3868 b43_phy_write(dev, B43_NPHY_TABLE_DATALO, 3869 (tmp & 0xFFFF)); 3870 } 3871 } 3872 3873 if (dev->phy.rev >= 3) { 3874 b43_shm_write16(dev, B43_SHM_SHARED, 3875 B43_SHM_SH_NPHY_TXPWR_INDX0, 0xFFFF); 3876 b43_shm_write16(dev, B43_SHM_SHARED, 3877 B43_SHM_SH_NPHY_TXPWR_INDX1, 0xFFFF); 3878 } 3879 3880 if (nphy->hang_avoid) 3881 b43_nphy_stay_in_carrier_search(dev, false); 3882} 3883 3884/* 3885 * Restore RSSI Calibration 3886 * http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreRssiCal 3887 */ 3888static void b43_nphy_restore_rssi_cal(struct b43_wldev *dev) 3889{ 3890 struct b43_phy_n *nphy = dev->phy.n; 3891 3892 u16 *rssical_radio_regs = NULL; 3893 u16 *rssical_phy_regs = NULL; 3894 3895 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 3896 if (!nphy->rssical_chanspec_2G.center_freq) 3897 return; 3898 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_2G; 3899 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_2G; 3900 } else { 3901 if (!nphy->rssical_chanspec_5G.center_freq) 3902 return; 3903 rssical_radio_regs = nphy->rssical_cache.rssical_radio_regs_5G; 3904 rssical_phy_regs = nphy->rssical_cache.rssical_phy_regs_5G; 3905 } 3906 3907 if (dev->phy.rev >= 7) { 3908 } else { 3909 b43_radio_maskset(dev, B2056_RX0 | B2056_RX_RSSI_MISC, 0xE3, 3910 rssical_radio_regs[0]); 3911 b43_radio_maskset(dev, B2056_RX1 | B2056_RX_RSSI_MISC, 0xE3, 3912 rssical_radio_regs[1]); 3913 } 3914 3915 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Z, rssical_phy_regs[0]); 3916 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Z, rssical_phy_regs[1]); 3917 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Z, rssical_phy_regs[2]); 3918 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Z, rssical_phy_regs[3]); 3919 3920 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_X, rssical_phy_regs[4]); 3921 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_X, rssical_phy_regs[5]); 3922 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_X, rssical_phy_regs[6]); 3923 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_X, rssical_phy_regs[7]); 3924 3925 b43_phy_write(dev, B43_NPHY_RSSIMC_0I_RSSI_Y, rssical_phy_regs[8]); 3926 b43_phy_write(dev, B43_NPHY_RSSIMC_0Q_RSSI_Y, rssical_phy_regs[9]); 3927 b43_phy_write(dev, B43_NPHY_RSSIMC_1I_RSSI_Y, rssical_phy_regs[10]); 3928 b43_phy_write(dev, B43_NPHY_RSSIMC_1Q_RSSI_Y, rssical_phy_regs[11]); 3929} 3930 3931/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalRadioSetup */ 3932static void b43_nphy_tx_cal_radio_setup(struct b43_wldev *dev) 3933{ 3934 struct b43_phy_n *nphy = dev->phy.n; 3935 u16 *save = nphy->tx_rx_cal_radio_saveregs; 3936 u16 tmp; 3937 u8 offset, i; 3938 3939 if (dev->phy.rev >= 3) { 3940 for (i = 0; i < 2; i++) { 3941 tmp = (i == 0) ? 0x2000 : 0x3000; 3942 offset = i * 11; 3943 3944 save[offset + 0] = b43_radio_read(dev, B2055_CAL_RVARCTL); 3945 save[offset + 1] = b43_radio_read(dev, B2055_CAL_LPOCTL); 3946 save[offset + 2] = b43_radio_read(dev, B2055_CAL_TS); 3947 save[offset + 3] = b43_radio_read(dev, B2055_CAL_RCCALRTS); 3948 save[offset + 4] = b43_radio_read(dev, B2055_CAL_RCALRTS); 3949 save[offset + 5] = b43_radio_read(dev, B2055_PADDRV); 3950 save[offset + 6] = b43_radio_read(dev, B2055_XOCTL1); 3951 save[offset + 7] = b43_radio_read(dev, B2055_XOCTL2); 3952 save[offset + 8] = b43_radio_read(dev, B2055_XOREGUL); 3953 save[offset + 9] = b43_radio_read(dev, B2055_XOMISC); 3954 save[offset + 10] = b43_radio_read(dev, B2055_PLL_LFC1); 3955 3956 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 3957 b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x0A); 3958 b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40); 3959 b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55); 3960 b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0); 3961 b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0); 3962 if (nphy->ipa5g_on) { 3963 b43_radio_write(dev, tmp | B2055_PADDRV, 4); 3964 b43_radio_write(dev, tmp | B2055_XOCTL1, 1); 3965 } else { 3966 b43_radio_write(dev, tmp | B2055_PADDRV, 0); 3967 b43_radio_write(dev, tmp | B2055_XOCTL1, 0x2F); 3968 } 3969 b43_radio_write(dev, tmp | B2055_XOCTL2, 0); 3970 } else { 3971 b43_radio_write(dev, tmp | B2055_CAL_RVARCTL, 0x06); 3972 b43_radio_write(dev, tmp | B2055_CAL_LPOCTL, 0x40); 3973 b43_radio_write(dev, tmp | B2055_CAL_TS, 0x55); 3974 b43_radio_write(dev, tmp | B2055_CAL_RCCALRTS, 0); 3975 b43_radio_write(dev, tmp | B2055_CAL_RCALRTS, 0); 3976 b43_radio_write(dev, tmp | B2055_XOCTL1, 0); 3977 if (nphy->ipa2g_on) { 3978 b43_radio_write(dev, tmp | B2055_PADDRV, 6); 3979 b43_radio_write(dev, tmp | B2055_XOCTL2, 3980 (dev->phy.rev < 5) ? 0x11 : 0x01); 3981 } else { 3982 b43_radio_write(dev, tmp | B2055_PADDRV, 0); 3983 b43_radio_write(dev, tmp | B2055_XOCTL2, 0); 3984 } 3985 } 3986 b43_radio_write(dev, tmp | B2055_XOREGUL, 0); 3987 b43_radio_write(dev, tmp | B2055_XOMISC, 0); 3988 b43_radio_write(dev, tmp | B2055_PLL_LFC1, 0); 3989 } 3990 } else { 3991 save[0] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL1); 3992 b43_radio_write(dev, B2055_C1_TX_RF_IQCAL1, 0x29); 3993 3994 save[1] = b43_radio_read(dev, B2055_C1_TX_RF_IQCAL2); 3995 b43_radio_write(dev, B2055_C1_TX_RF_IQCAL2, 0x54); 3996 3997 save[2] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL1); 3998 b43_radio_write(dev, B2055_C2_TX_RF_IQCAL1, 0x29); 3999 4000 save[3] = b43_radio_read(dev, B2055_C2_TX_RF_IQCAL2); 4001 b43_radio_write(dev, B2055_C2_TX_RF_IQCAL2, 0x54); 4002 4003 save[3] = b43_radio_read(dev, B2055_C1_PWRDET_RXTX); 4004 save[4] = b43_radio_read(dev, B2055_C2_PWRDET_RXTX); 4005 4006 if (!(b43_phy_read(dev, B43_NPHY_BANDCTL) & 4007 B43_NPHY_BANDCTL_5GHZ)) { 4008 b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x04); 4009 b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x04); 4010 } else { 4011 b43_radio_write(dev, B2055_C1_PWRDET_RXTX, 0x20); 4012 b43_radio_write(dev, B2055_C2_PWRDET_RXTX, 0x20); 4013 } 4014 4015 if (dev->phy.rev < 2) { 4016 b43_radio_set(dev, B2055_C1_TX_BB_MXGM, 0x20); 4017 b43_radio_set(dev, B2055_C2_TX_BB_MXGM, 0x20); 4018 } else { 4019 b43_radio_mask(dev, B2055_C1_TX_BB_MXGM, ~0x20); 4020 b43_radio_mask(dev, B2055_C2_TX_BB_MXGM, ~0x20); 4021 } 4022 } 4023} 4024 4025/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/UpdateTxCalLadder */ 4026static void b43_nphy_update_tx_cal_ladder(struct b43_wldev *dev, u16 core) 4027{ 4028 struct b43_phy_n *nphy = dev->phy.n; 4029 int i; 4030 u16 scale, entry; 4031 4032 u16 tmp = nphy->txcal_bbmult; 4033 if (core == 0) 4034 tmp >>= 8; 4035 tmp &= 0xff; 4036 4037 for (i = 0; i < 18; i++) { 4038 scale = (ladder_lo[i].percent * tmp) / 100; 4039 entry = ((scale & 0xFF) << 8) | ladder_lo[i].g_env; 4040 b43_ntab_write(dev, B43_NTAB16(15, i), entry); 4041 4042 scale = (ladder_iq[i].percent * tmp) / 100; 4043 entry = ((scale & 0xFF) << 8) | ladder_iq[i].g_env; 4044 b43_ntab_write(dev, B43_NTAB16(15, i + 32), entry); 4045 } 4046} 4047 4048/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ExtPaSetTxDigiFilts */ 4049static void b43_nphy_ext_pa_set_tx_dig_filters(struct b43_wldev *dev) 4050{ 4051 int i; 4052 for (i = 0; i < 15; i++) 4053 b43_phy_write(dev, B43_PHY_N(0x2C5 + i), 4054 tbl_tx_filter_coef_rev4[2][i]); 4055} 4056 4057/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/IpaSetTxDigiFilts */ 4058static void b43_nphy_int_pa_set_tx_dig_filters(struct b43_wldev *dev) 4059{ 4060 int i, j; 4061 /* B43_NPHY_TXF_20CO_S0A1, B43_NPHY_TXF_40CO_S0A1, unknown */ 4062 static const u16 offset[] = { 0x186, 0x195, 0x2C5 }; 4063 4064 for (i = 0; i < 3; i++) 4065 for (j = 0; j < 15; j++) 4066 b43_phy_write(dev, B43_PHY_N(offset[i] + j), 4067 tbl_tx_filter_coef_rev4[i][j]); 4068 4069 if (dev->phy.is_40mhz) { 4070 for (j = 0; j < 15; j++) 4071 b43_phy_write(dev, B43_PHY_N(offset[0] + j), 4072 tbl_tx_filter_coef_rev4[3][j]); 4073 } else if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) { 4074 for (j = 0; j < 15; j++) 4075 b43_phy_write(dev, B43_PHY_N(offset[0] + j), 4076 tbl_tx_filter_coef_rev4[5][j]); 4077 } 4078 4079 if (dev->phy.channel == 14) 4080 for (j = 0; j < 15; j++) 4081 b43_phy_write(dev, B43_PHY_N(offset[0] + j), 4082 tbl_tx_filter_coef_rev4[6][j]); 4083} 4084 4085/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/GetTxGain */ 4086static struct nphy_txgains b43_nphy_get_tx_gains(struct b43_wldev *dev) 4087{ 4088 struct b43_phy_n *nphy = dev->phy.n; 4089 4090 u16 curr_gain[2]; 4091 struct nphy_txgains target; 4092 const u32 *table = NULL; 4093 4094 if (!nphy->txpwrctrl) { 4095 int i; 4096 4097 if (nphy->hang_avoid) 4098 b43_nphy_stay_in_carrier_search(dev, true); 4099 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, curr_gain); 4100 if (nphy->hang_avoid) 4101 b43_nphy_stay_in_carrier_search(dev, false); 4102 4103 for (i = 0; i < 2; ++i) { 4104 if (dev->phy.rev >= 3) { 4105 target.ipa[i] = curr_gain[i] & 0x000F; 4106 target.pad[i] = (curr_gain[i] & 0x00F0) >> 4; 4107 target.pga[i] = (curr_gain[i] & 0x0F00) >> 8; 4108 target.txgm[i] = (curr_gain[i] & 0x7000) >> 12; 4109 } else { 4110 target.ipa[i] = curr_gain[i] & 0x0003; 4111 target.pad[i] = (curr_gain[i] & 0x000C) >> 2; 4112 target.pga[i] = (curr_gain[i] & 0x0070) >> 4; 4113 target.txgm[i] = (curr_gain[i] & 0x0380) >> 7; 4114 } 4115 } 4116 } else { 4117 int i; 4118 u16 index[2]; 4119 index[0] = (b43_phy_read(dev, B43_NPHY_C1_TXPCTL_STAT) & 4120 B43_NPHY_TXPCTL_STAT_BIDX) >> 4121 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT; 4122 index[1] = (b43_phy_read(dev, B43_NPHY_C2_TXPCTL_STAT) & 4123 B43_NPHY_TXPCTL_STAT_BIDX) >> 4124 B43_NPHY_TXPCTL_STAT_BIDX_SHIFT; 4125 4126 for (i = 0; i < 2; ++i) { 4127 table = b43_nphy_get_tx_gain_table(dev); 4128 if (dev->phy.rev >= 3) { 4129 target.ipa[i] = (table[index[i]] >> 16) & 0xF; 4130 target.pad[i] = (table[index[i]] >> 20) & 0xF; 4131 target.pga[i] = (table[index[i]] >> 24) & 0xF; 4132 target.txgm[i] = (table[index[i]] >> 28) & 0xF; 4133 } else { 4134 target.ipa[i] = (table[index[i]] >> 16) & 0x3; 4135 target.pad[i] = (table[index[i]] >> 18) & 0x3; 4136 target.pga[i] = (table[index[i]] >> 20) & 0x7; 4137 target.txgm[i] = (table[index[i]] >> 23) & 0x7; 4138 } 4139 } 4140 } 4141 4142 return target; 4143} 4144 4145/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhyCleanup */ 4146static void b43_nphy_tx_cal_phy_cleanup(struct b43_wldev *dev) 4147{ 4148 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; 4149 4150 if (dev->phy.rev >= 3) { 4151 b43_phy_write(dev, B43_NPHY_AFECTL_C1, regs[0]); 4152 b43_phy_write(dev, B43_NPHY_AFECTL_C2, regs[1]); 4153 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, regs[2]); 4154 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[3]); 4155 b43_phy_write(dev, B43_NPHY_BBCFG, regs[4]); 4156 b43_ntab_write(dev, B43_NTAB16(8, 3), regs[5]); 4157 b43_ntab_write(dev, B43_NTAB16(8, 19), regs[6]); 4158 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[7]); 4159 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[8]); 4160 b43_phy_write(dev, B43_NPHY_PAPD_EN0, regs[9]); 4161 b43_phy_write(dev, B43_NPHY_PAPD_EN1, regs[10]); 4162 b43_nphy_reset_cca(dev); 4163 } else { 4164 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, regs[0]); 4165 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, regs[1]); 4166 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, regs[2]); 4167 b43_ntab_write(dev, B43_NTAB16(8, 2), regs[3]); 4168 b43_ntab_write(dev, B43_NTAB16(8, 18), regs[4]); 4169 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, regs[5]); 4170 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, regs[6]); 4171 } 4172} 4173 4174/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/TxCalPhySetup */ 4175static void b43_nphy_tx_cal_phy_setup(struct b43_wldev *dev) 4176{ 4177 u16 *regs = dev->phy.n->tx_rx_cal_phy_saveregs; 4178 u16 tmp; 4179 4180 regs[0] = b43_phy_read(dev, B43_NPHY_AFECTL_C1); 4181 regs[1] = b43_phy_read(dev, B43_NPHY_AFECTL_C2); 4182 if (dev->phy.rev >= 3) { 4183 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0xF0FF, 0x0A00); 4184 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0xF0FF, 0x0A00); 4185 4186 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER1); 4187 regs[2] = tmp; 4188 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, tmp | 0x0600); 4189 4190 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); 4191 regs[3] = tmp; 4192 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x0600); 4193 4194 regs[4] = b43_phy_read(dev, B43_NPHY_BBCFG); 4195 b43_phy_mask(dev, B43_NPHY_BBCFG, 4196 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF); 4197 4198 tmp = b43_ntab_read(dev, B43_NTAB16(8, 3)); 4199 regs[5] = tmp; 4200 b43_ntab_write(dev, B43_NTAB16(8, 3), 0); 4201 4202 tmp = b43_ntab_read(dev, B43_NTAB16(8, 19)); 4203 regs[6] = tmp; 4204 b43_ntab_write(dev, B43_NTAB16(8, 19), 0); 4205 regs[7] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); 4206 regs[8] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); 4207 4208 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_PA, 1, 3); 4209 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 2, 1); 4210 b43_nphy_rf_ctl_intc_override(dev, N_INTC_OVERRIDE_TRSW, 8, 2); 4211 4212 regs[9] = b43_phy_read(dev, B43_NPHY_PAPD_EN0); 4213 regs[10] = b43_phy_read(dev, B43_NPHY_PAPD_EN1); 4214 b43_phy_mask(dev, B43_NPHY_PAPD_EN0, ~0x0001); 4215 b43_phy_mask(dev, B43_NPHY_PAPD_EN1, ~0x0001); 4216 } else { 4217 b43_phy_maskset(dev, B43_NPHY_AFECTL_C1, 0x0FFF, 0xA000); 4218 b43_phy_maskset(dev, B43_NPHY_AFECTL_C2, 0x0FFF, 0xA000); 4219 tmp = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); 4220 regs[2] = tmp; 4221 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp | 0x3000); 4222 tmp = b43_ntab_read(dev, B43_NTAB16(8, 2)); 4223 regs[3] = tmp; 4224 tmp |= 0x2000; 4225 b43_ntab_write(dev, B43_NTAB16(8, 2), tmp); 4226 tmp = b43_ntab_read(dev, B43_NTAB16(8, 18)); 4227 regs[4] = tmp; 4228 tmp |= 0x2000; 4229 b43_ntab_write(dev, B43_NTAB16(8, 18), tmp); 4230 regs[5] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC1); 4231 regs[6] = b43_phy_read(dev, B43_NPHY_RFCTL_INTC2); 4232 if (b43_current_band(dev->wl) == IEEE80211_BAND_5GHZ) 4233 tmp = 0x0180; 4234 else 4235 tmp = 0x0120; 4236 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, tmp); 4237 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, tmp); 4238 } 4239} 4240 4241/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SaveCal */ 4242static void b43_nphy_save_cal(struct b43_wldev *dev) 4243{ 4244 struct b43_phy_n *nphy = dev->phy.n; 4245 4246 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL; 4247 u16 *txcal_radio_regs = NULL; 4248 struct b43_chanspec *iqcal_chanspec; 4249 u16 *table = NULL; 4250 4251 if (nphy->hang_avoid) 4252 b43_nphy_stay_in_carrier_search(dev, 1); 4253 4254 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 4255 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G; 4256 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G; 4257 iqcal_chanspec = &nphy->iqcal_chanspec_2G; 4258 table = nphy->cal_cache.txcal_coeffs_2G; 4259 } else { 4260 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G; 4261 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G; 4262 iqcal_chanspec = &nphy->iqcal_chanspec_5G; 4263 table = nphy->cal_cache.txcal_coeffs_5G; 4264 } 4265 4266 b43_nphy_rx_iq_coeffs(dev, false, rxcal_coeffs); 4267 /* TODO use some definitions */ 4268 if (dev->phy.rev >= 3) { 4269 txcal_radio_regs[0] = b43_radio_read(dev, 0x2021); 4270 txcal_radio_regs[1] = b43_radio_read(dev, 0x2022); 4271 txcal_radio_regs[2] = b43_radio_read(dev, 0x3021); 4272 txcal_radio_regs[3] = b43_radio_read(dev, 0x3022); 4273 txcal_radio_regs[4] = b43_radio_read(dev, 0x2023); 4274 txcal_radio_regs[5] = b43_radio_read(dev, 0x2024); 4275 txcal_radio_regs[6] = b43_radio_read(dev, 0x3023); 4276 txcal_radio_regs[7] = b43_radio_read(dev, 0x3024); 4277 } else { 4278 txcal_radio_regs[0] = b43_radio_read(dev, 0x8B); 4279 txcal_radio_regs[1] = b43_radio_read(dev, 0xBA); 4280 txcal_radio_regs[2] = b43_radio_read(dev, 0x8D); 4281 txcal_radio_regs[3] = b43_radio_read(dev, 0xBC); 4282 } 4283 iqcal_chanspec->center_freq = dev->phy.channel_freq; 4284 iqcal_chanspec->channel_type = dev->phy.channel_type; 4285 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 8, table); 4286 4287 if (nphy->hang_avoid) 4288 b43_nphy_stay_in_carrier_search(dev, 0); 4289} 4290 4291/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RestoreCal */ 4292static void b43_nphy_restore_cal(struct b43_wldev *dev) 4293{ 4294 struct b43_phy_n *nphy = dev->phy.n; 4295 4296 u16 coef[4]; 4297 u16 *loft = NULL; 4298 u16 *table = NULL; 4299 4300 int i; 4301 u16 *txcal_radio_regs = NULL; 4302 struct b43_phy_n_iq_comp *rxcal_coeffs = NULL; 4303 4304 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 4305 if (!nphy->iqcal_chanspec_2G.center_freq) 4306 return; 4307 table = nphy->cal_cache.txcal_coeffs_2G; 4308 loft = &nphy->cal_cache.txcal_coeffs_2G[5]; 4309 } else { 4310 if (!nphy->iqcal_chanspec_5G.center_freq) 4311 return; 4312 table = nphy->cal_cache.txcal_coeffs_5G; 4313 loft = &nphy->cal_cache.txcal_coeffs_5G[5]; 4314 } 4315 4316 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, table); 4317 4318 for (i = 0; i < 4; i++) { 4319 if (dev->phy.rev >= 3) 4320 table[i] = coef[i]; 4321 else 4322 coef[i] = 0; 4323 } 4324 4325 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, coef); 4326 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, loft); 4327 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, loft); 4328 4329 if (dev->phy.rev < 2) 4330 b43_nphy_tx_iq_workaround(dev); 4331 4332 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 4333 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_2G; 4334 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_2G; 4335 } else { 4336 txcal_radio_regs = nphy->cal_cache.txcal_radio_regs_5G; 4337 rxcal_coeffs = &nphy->cal_cache.rxcal_coeffs_5G; 4338 } 4339 4340 /* TODO use some definitions */ 4341 if (dev->phy.rev >= 3) { 4342 b43_radio_write(dev, 0x2021, txcal_radio_regs[0]); 4343 b43_radio_write(dev, 0x2022, txcal_radio_regs[1]); 4344 b43_radio_write(dev, 0x3021, txcal_radio_regs[2]); 4345 b43_radio_write(dev, 0x3022, txcal_radio_regs[3]); 4346 b43_radio_write(dev, 0x2023, txcal_radio_regs[4]); 4347 b43_radio_write(dev, 0x2024, txcal_radio_regs[5]); 4348 b43_radio_write(dev, 0x3023, txcal_radio_regs[6]); 4349 b43_radio_write(dev, 0x3024, txcal_radio_regs[7]); 4350 } else { 4351 b43_radio_write(dev, 0x8B, txcal_radio_regs[0]); 4352 b43_radio_write(dev, 0xBA, txcal_radio_regs[1]); 4353 b43_radio_write(dev, 0x8D, txcal_radio_regs[2]); 4354 b43_radio_write(dev, 0xBC, txcal_radio_regs[3]); 4355 } 4356 b43_nphy_rx_iq_coeffs(dev, true, rxcal_coeffs); 4357} 4358 4359/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalTxIqlo */ 4360static int b43_nphy_cal_tx_iq_lo(struct b43_wldev *dev, 4361 struct nphy_txgains target, 4362 bool full, bool mphase) 4363{ 4364 struct b43_phy_n *nphy = dev->phy.n; 4365 int i; 4366 int error = 0; 4367 int freq; 4368 bool avoid = false; 4369 u8 length; 4370 u16 tmp, core, type, count, max, numb, last = 0, cmd; 4371 const u16 *table; 4372 bool phy6or5x; 4373 4374 u16 buffer[11]; 4375 u16 diq_start = 0; 4376 u16 save[2]; 4377 u16 gain[2]; 4378 struct nphy_iqcal_params params[2]; 4379 bool updated[2] = { }; 4380 4381 b43_nphy_stay_in_carrier_search(dev, true); 4382 4383 if (dev->phy.rev >= 4) { 4384 avoid = nphy->hang_avoid; 4385 nphy->hang_avoid = false; 4386 } 4387 4388 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, save); 4389 4390 for (i = 0; i < 2; i++) { 4391 b43_nphy_iq_cal_gain_params(dev, i, target, &params[i]); 4392 gain[i] = params[i].cal_gain; 4393 } 4394 4395 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain); 4396 4397 b43_nphy_tx_cal_radio_setup(dev); 4398 b43_nphy_tx_cal_phy_setup(dev); 4399 4400 phy6or5x = dev->phy.rev >= 6 || 4401 (dev->phy.rev == 5 && nphy->ipa2g_on && 4402 b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ); 4403 if (phy6or5x) { 4404 if (dev->phy.is_40mhz) { 4405 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18, 4406 tbl_tx_iqlo_cal_loft_ladder_40); 4407 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18, 4408 tbl_tx_iqlo_cal_iqimb_ladder_40); 4409 } else { 4410 b43_ntab_write_bulk(dev, B43_NTAB16(15, 0), 18, 4411 tbl_tx_iqlo_cal_loft_ladder_20); 4412 b43_ntab_write_bulk(dev, B43_NTAB16(15, 32), 18, 4413 tbl_tx_iqlo_cal_iqimb_ladder_20); 4414 } 4415 } 4416 4417 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0x8AA9); 4418 4419 if (!dev->phy.is_40mhz) 4420 freq = 2500; 4421 else 4422 freq = 5000; 4423 4424 if (nphy->mphase_cal_phase_id > 2) 4425 b43_nphy_run_samples(dev, (dev->phy.is_40mhz ? 40 : 20) * 8, 4426 0xFFFF, 0, true, false); 4427 else 4428 error = b43_nphy_tx_tone(dev, freq, 250, true, false); 4429 4430 if (error == 0) { 4431 if (nphy->mphase_cal_phase_id > 2) { 4432 table = nphy->mphase_txcal_bestcoeffs; 4433 length = 11; 4434 if (dev->phy.rev < 3) 4435 length -= 2; 4436 } else { 4437 if (!full && nphy->txiqlocal_coeffsvalid) { 4438 table = nphy->txiqlocal_bestc; 4439 length = 11; 4440 if (dev->phy.rev < 3) 4441 length -= 2; 4442 } else { 4443 full = true; 4444 if (dev->phy.rev >= 3) { 4445 table = tbl_tx_iqlo_cal_startcoefs_nphyrev3; 4446 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS_REV3; 4447 } else { 4448 table = tbl_tx_iqlo_cal_startcoefs; 4449 length = B43_NTAB_TX_IQLO_CAL_STARTCOEFS; 4450 } 4451 } 4452 } 4453 4454 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, table); 4455 4456 if (full) { 4457 if (dev->phy.rev >= 3) 4458 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL_REV3; 4459 else 4460 max = B43_NTAB_TX_IQLO_CAL_CMDS_FULLCAL; 4461 } else { 4462 if (dev->phy.rev >= 3) 4463 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL_REV3; 4464 else 4465 max = B43_NTAB_TX_IQLO_CAL_CMDS_RECAL; 4466 } 4467 4468 if (mphase) { 4469 count = nphy->mphase_txcal_cmdidx; 4470 numb = min(max, 4471 (u16)(count + nphy->mphase_txcal_numcmds)); 4472 } else { 4473 count = 0; 4474 numb = max; 4475 } 4476 4477 for (; count < numb; count++) { 4478 if (full) { 4479 if (dev->phy.rev >= 3) 4480 cmd = tbl_tx_iqlo_cal_cmds_fullcal_nphyrev3[count]; 4481 else 4482 cmd = tbl_tx_iqlo_cal_cmds_fullcal[count]; 4483 } else { 4484 if (dev->phy.rev >= 3) 4485 cmd = tbl_tx_iqlo_cal_cmds_recal_nphyrev3[count]; 4486 else 4487 cmd = tbl_tx_iqlo_cal_cmds_recal[count]; 4488 } 4489 4490 core = (cmd & 0x3000) >> 12; 4491 type = (cmd & 0x0F00) >> 8; 4492 4493 if (phy6or5x && updated[core] == 0) { 4494 b43_nphy_update_tx_cal_ladder(dev, core); 4495 updated[core] = true; 4496 } 4497 4498 tmp = (params[core].ncorr[type] << 8) | 0x66; 4499 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDNNUM, tmp); 4500 4501 if (type == 1 || type == 3 || type == 4) { 4502 buffer[0] = b43_ntab_read(dev, 4503 B43_NTAB16(15, 69 + core)); 4504 diq_start = buffer[0]; 4505 buffer[0] = 0; 4506 b43_ntab_write(dev, B43_NTAB16(15, 69 + core), 4507 0); 4508 } 4509 4510 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMD, cmd); 4511 for (i = 0; i < 2000; i++) { 4512 tmp = b43_phy_read(dev, B43_NPHY_IQLOCAL_CMD); 4513 if (tmp & 0xC000) 4514 break; 4515 udelay(10); 4516 } 4517 4518 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length, 4519 buffer); 4520 b43_ntab_write_bulk(dev, B43_NTAB16(15, 64), length, 4521 buffer); 4522 4523 if (type == 1 || type == 3 || type == 4) 4524 buffer[0] = diq_start; 4525 } 4526 4527 if (mphase) 4528 nphy->mphase_txcal_cmdidx = (numb >= max) ? 0 : numb; 4529 4530 last = (dev->phy.rev < 3) ? 6 : 7; 4531 4532 if (!mphase || nphy->mphase_cal_phase_id == last) { 4533 b43_ntab_write_bulk(dev, B43_NTAB16(15, 96), 4, buffer); 4534 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 4, buffer); 4535 if (dev->phy.rev < 3) { 4536 buffer[0] = 0; 4537 buffer[1] = 0; 4538 buffer[2] = 0; 4539 buffer[3] = 0; 4540 } 4541 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, 4542 buffer); 4543 b43_ntab_read_bulk(dev, B43_NTAB16(15, 101), 2, 4544 buffer); 4545 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, 4546 buffer); 4547 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, 4548 buffer); 4549 length = 11; 4550 if (dev->phy.rev < 3) 4551 length -= 2; 4552 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length, 4553 nphy->txiqlocal_bestc); 4554 nphy->txiqlocal_coeffsvalid = true; 4555 nphy->txiqlocal_chanspec.center_freq = 4556 dev->phy.channel_freq; 4557 nphy->txiqlocal_chanspec.channel_type = 4558 dev->phy.channel_type; 4559 } else { 4560 length = 11; 4561 if (dev->phy.rev < 3) 4562 length -= 2; 4563 b43_ntab_read_bulk(dev, B43_NTAB16(15, 96), length, 4564 nphy->mphase_txcal_bestcoeffs); 4565 } 4566 4567 b43_nphy_stop_playback(dev); 4568 b43_phy_write(dev, B43_NPHY_IQLOCAL_CMDGCTL, 0); 4569 } 4570 4571 b43_nphy_tx_cal_phy_cleanup(dev); 4572 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, save); 4573 4574 if (dev->phy.rev < 2 && (!mphase || nphy->mphase_cal_phase_id == last)) 4575 b43_nphy_tx_iq_workaround(dev); 4576 4577 if (dev->phy.rev >= 4) 4578 nphy->hang_avoid = avoid; 4579 4580 b43_nphy_stay_in_carrier_search(dev, false); 4581 4582 return error; 4583} 4584 4585/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ReapplyTxCalCoeffs */ 4586static void b43_nphy_reapply_tx_cal_coeffs(struct b43_wldev *dev) 4587{ 4588 struct b43_phy_n *nphy = dev->phy.n; 4589 u8 i; 4590 u16 buffer[7]; 4591 bool equal = true; 4592 4593 if (!nphy->txiqlocal_coeffsvalid || 4594 nphy->txiqlocal_chanspec.center_freq != dev->phy.channel_freq || 4595 nphy->txiqlocal_chanspec.channel_type != dev->phy.channel_type) 4596 return; 4597 4598 b43_ntab_read_bulk(dev, B43_NTAB16(15, 80), 7, buffer); 4599 for (i = 0; i < 4; i++) { 4600 if (buffer[i] != nphy->txiqlocal_bestc[i]) { 4601 equal = false; 4602 break; 4603 } 4604 } 4605 4606 if (!equal) { 4607 b43_ntab_write_bulk(dev, B43_NTAB16(15, 80), 4, 4608 nphy->txiqlocal_bestc); 4609 for (i = 0; i < 4; i++) 4610 buffer[i] = 0; 4611 b43_ntab_write_bulk(dev, B43_NTAB16(15, 88), 4, 4612 buffer); 4613 b43_ntab_write_bulk(dev, B43_NTAB16(15, 85), 2, 4614 &nphy->txiqlocal_bestc[5]); 4615 b43_ntab_write_bulk(dev, B43_NTAB16(15, 93), 2, 4616 &nphy->txiqlocal_bestc[5]); 4617 } 4618} 4619 4620/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIqRev2 */ 4621static int b43_nphy_rev2_cal_rx_iq(struct b43_wldev *dev, 4622 struct nphy_txgains target, u8 type, bool debug) 4623{ 4624 struct b43_phy_n *nphy = dev->phy.n; 4625 int i, j, index; 4626 u8 rfctl[2]; 4627 u8 afectl_core; 4628 u16 tmp[6]; 4629 u16 uninitialized_var(cur_hpf1), uninitialized_var(cur_hpf2), cur_lna; 4630 u32 real, imag; 4631 enum ieee80211_band band; 4632 4633 u8 use; 4634 u16 cur_hpf; 4635 u16 lna[3] = { 3, 3, 1 }; 4636 u16 hpf1[3] = { 7, 2, 0 }; 4637 u16 hpf2[3] = { 2, 0, 0 }; 4638 u32 power[3] = { }; 4639 u16 gain_save[2]; 4640 u16 cal_gain[2]; 4641 struct nphy_iqcal_params cal_params[2]; 4642 struct nphy_iq_est est; 4643 int ret = 0; 4644 bool playtone = true; 4645 int desired = 13; 4646 4647 b43_nphy_stay_in_carrier_search(dev, 1); 4648 4649 if (dev->phy.rev < 2) 4650 b43_nphy_reapply_tx_cal_coeffs(dev); 4651 b43_ntab_read_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save); 4652 for (i = 0; i < 2; i++) { 4653 b43_nphy_iq_cal_gain_params(dev, i, target, &cal_params[i]); 4654 cal_gain[i] = cal_params[i].cal_gain; 4655 } 4656 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, cal_gain); 4657 4658 for (i = 0; i < 2; i++) { 4659 if (i == 0) { 4660 rfctl[0] = B43_NPHY_RFCTL_INTC1; 4661 rfctl[1] = B43_NPHY_RFCTL_INTC2; 4662 afectl_core = B43_NPHY_AFECTL_C1; 4663 } else { 4664 rfctl[0] = B43_NPHY_RFCTL_INTC2; 4665 rfctl[1] = B43_NPHY_RFCTL_INTC1; 4666 afectl_core = B43_NPHY_AFECTL_C2; 4667 } 4668 4669 tmp[1] = b43_phy_read(dev, B43_NPHY_RFSEQCA); 4670 tmp[2] = b43_phy_read(dev, afectl_core); 4671 tmp[3] = b43_phy_read(dev, B43_NPHY_AFECTL_OVER); 4672 tmp[4] = b43_phy_read(dev, rfctl[0]); 4673 tmp[5] = b43_phy_read(dev, rfctl[1]); 4674 4675 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, 4676 ~B43_NPHY_RFSEQCA_RXDIS & 0xFFFF, 4677 ((1 - i) << B43_NPHY_RFSEQCA_RXDIS_SHIFT)); 4678 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_TXEN, 4679 (1 - i)); 4680 b43_phy_set(dev, afectl_core, 0x0006); 4681 b43_phy_set(dev, B43_NPHY_AFECTL_OVER, 0x0006); 4682 4683 band = b43_current_band(dev->wl); 4684 4685 if (nphy->rxcalparams & 0xFF000000) { 4686 if (band == IEEE80211_BAND_5GHZ) 4687 b43_phy_write(dev, rfctl[0], 0x140); 4688 else 4689 b43_phy_write(dev, rfctl[0], 0x110); 4690 } else { 4691 if (band == IEEE80211_BAND_5GHZ) 4692 b43_phy_write(dev, rfctl[0], 0x180); 4693 else 4694 b43_phy_write(dev, rfctl[0], 0x120); 4695 } 4696 4697 if (band == IEEE80211_BAND_5GHZ) 4698 b43_phy_write(dev, rfctl[1], 0x148); 4699 else 4700 b43_phy_write(dev, rfctl[1], 0x114); 4701 4702 if (nphy->rxcalparams & 0x10000) { 4703 b43_radio_maskset(dev, B2055_C1_GENSPARE2, 0xFC, 4704 (i + 1)); 4705 b43_radio_maskset(dev, B2055_C2_GENSPARE2, 0xFC, 4706 (2 - i)); 4707 } 4708 4709 for (j = 0; j < 4; j++) { 4710 if (j < 3) { 4711 cur_lna = lna[j]; 4712 cur_hpf1 = hpf1[j]; 4713 cur_hpf2 = hpf2[j]; 4714 } else { 4715 if (power[1] > 10000) { 4716 use = 1; 4717 cur_hpf = cur_hpf1; 4718 index = 2; 4719 } else { 4720 if (power[0] > 10000) { 4721 use = 1; 4722 cur_hpf = cur_hpf1; 4723 index = 1; 4724 } else { 4725 index = 0; 4726 use = 2; 4727 cur_hpf = cur_hpf2; 4728 } 4729 } 4730 cur_lna = lna[index]; 4731 cur_hpf1 = hpf1[index]; 4732 cur_hpf2 = hpf2[index]; 4733 cur_hpf += desired - hweight32(power[index]); 4734 cur_hpf = clamp_val(cur_hpf, 0, 10); 4735 if (use == 1) 4736 cur_hpf1 = cur_hpf; 4737 else 4738 cur_hpf2 = cur_hpf; 4739 } 4740 4741 tmp[0] = ((cur_hpf2 << 8) | (cur_hpf1 << 4) | 4742 (cur_lna << 2)); 4743 b43_nphy_rf_ctl_override(dev, 0x400, tmp[0], 3, 4744 false); 4745 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 4746 b43_nphy_stop_playback(dev); 4747 4748 if (playtone) { 4749 ret = b43_nphy_tx_tone(dev, 4000, 4750 (nphy->rxcalparams & 0xFFFF), 4751 false, false); 4752 playtone = false; 4753 } else { 4754 b43_nphy_run_samples(dev, 160, 0xFFFF, 0, 4755 false, false); 4756 } 4757 4758 if (ret == 0) { 4759 if (j < 3) { 4760 b43_nphy_rx_iq_est(dev, &est, 1024, 32, 4761 false); 4762 if (i == 0) { 4763 real = est.i0_pwr; 4764 imag = est.q0_pwr; 4765 } else { 4766 real = est.i1_pwr; 4767 imag = est.q1_pwr; 4768 } 4769 power[i] = ((real + imag) / 1024) + 1; 4770 } else { 4771 b43_nphy_calc_rx_iq_comp(dev, 1 << i); 4772 } 4773 b43_nphy_stop_playback(dev); 4774 } 4775 4776 if (ret != 0) 4777 break; 4778 } 4779 4780 b43_radio_mask(dev, B2055_C1_GENSPARE2, 0xFC); 4781 b43_radio_mask(dev, B2055_C2_GENSPARE2, 0xFC); 4782 b43_phy_write(dev, rfctl[1], tmp[5]); 4783 b43_phy_write(dev, rfctl[0], tmp[4]); 4784 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, tmp[3]); 4785 b43_phy_write(dev, afectl_core, tmp[2]); 4786 b43_phy_write(dev, B43_NPHY_RFSEQCA, tmp[1]); 4787 4788 if (ret != 0) 4789 break; 4790 } 4791 4792 b43_nphy_rf_ctl_override(dev, 0x400, 0, 3, true); 4793 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 4794 b43_ntab_write_bulk(dev, B43_NTAB16(7, 0x110), 2, gain_save); 4795 4796 b43_nphy_stay_in_carrier_search(dev, 0); 4797 4798 return ret; 4799} 4800 4801static int b43_nphy_rev3_cal_rx_iq(struct b43_wldev *dev, 4802 struct nphy_txgains target, u8 type, bool debug) 4803{ 4804 return -1; 4805} 4806 4807/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/CalRxIq */ 4808static int b43_nphy_cal_rx_iq(struct b43_wldev *dev, 4809 struct nphy_txgains target, u8 type, bool debug) 4810{ 4811 if (dev->phy.rev >= 3) 4812 return b43_nphy_rev3_cal_rx_iq(dev, target, type, debug); 4813 else 4814 return b43_nphy_rev2_cal_rx_iq(dev, target, type, debug); 4815} 4816 4817/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/RxCoreSetState */ 4818static void b43_nphy_set_rx_core_state(struct b43_wldev *dev, u8 mask) 4819{ 4820 struct b43_phy *phy = &dev->phy; 4821 struct b43_phy_n *nphy = phy->n; 4822 /* u16 buf[16]; it's rev3+ */ 4823 4824 nphy->phyrxchain = mask; 4825 4826 if (0 /* FIXME clk */) 4827 return; 4828 4829 b43_mac_suspend(dev); 4830 4831 if (nphy->hang_avoid) 4832 b43_nphy_stay_in_carrier_search(dev, true); 4833 4834 b43_phy_maskset(dev, B43_NPHY_RFSEQCA, ~B43_NPHY_RFSEQCA_RXEN, 4835 (mask & 0x3) << B43_NPHY_RFSEQCA_RXEN_SHIFT); 4836 4837 if ((mask & 0x3) != 0x3) { 4838 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 1); 4839 if (dev->phy.rev >= 3) { 4840 /* TODO */ 4841 } 4842 } else { 4843 b43_phy_write(dev, B43_NPHY_HPANT_SWTHRES, 0x1E); 4844 if (dev->phy.rev >= 3) { 4845 /* TODO */ 4846 } 4847 } 4848 4849 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 4850 4851 if (nphy->hang_avoid) 4852 b43_nphy_stay_in_carrier_search(dev, false); 4853 4854 b43_mac_enable(dev); 4855} 4856 4857/************************************************** 4858 * N-PHY init 4859 **************************************************/ 4860 4861/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/MIMOConfig */ 4862static void b43_nphy_update_mimo_config(struct b43_wldev *dev, s32 preamble) 4863{ 4864 u16 mimocfg = b43_phy_read(dev, B43_NPHY_MIMOCFG); 4865 4866 mimocfg |= B43_NPHY_MIMOCFG_AUTO; 4867 if (preamble == 1) 4868 mimocfg |= B43_NPHY_MIMOCFG_GFMIX; 4869 else 4870 mimocfg &= ~B43_NPHY_MIMOCFG_GFMIX; 4871 4872 b43_phy_write(dev, B43_NPHY_MIMOCFG, mimocfg); 4873} 4874 4875/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/BPHYInit */ 4876static void b43_nphy_bphy_init(struct b43_wldev *dev) 4877{ 4878 unsigned int i; 4879 u16 val; 4880 4881 val = 0x1E1F; 4882 for (i = 0; i < 16; i++) { 4883 b43_phy_write(dev, B43_PHY_N_BMODE(0x88 + i), val); 4884 val -= 0x202; 4885 } 4886 val = 0x3E3F; 4887 for (i = 0; i < 16; i++) { 4888 b43_phy_write(dev, B43_PHY_N_BMODE(0x98 + i), val); 4889 val -= 0x202; 4890 } 4891 b43_phy_write(dev, B43_PHY_N_BMODE(0x38), 0x668); 4892} 4893 4894/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SuperSwitchInit */ 4895static void b43_nphy_superswitch_init(struct b43_wldev *dev, bool init) 4896{ 4897 if (dev->phy.rev >= 3) { 4898 if (!init) 4899 return; 4900 if (0 /* FIXME */) { 4901 b43_ntab_write(dev, B43_NTAB16(9, 2), 0x211); 4902 b43_ntab_write(dev, B43_NTAB16(9, 3), 0x222); 4903 b43_ntab_write(dev, B43_NTAB16(9, 8), 0x144); 4904 b43_ntab_write(dev, B43_NTAB16(9, 12), 0x188); 4905 } 4906 } else { 4907 b43_phy_write(dev, B43_NPHY_GPIO_LOOEN, 0); 4908 b43_phy_write(dev, B43_NPHY_GPIO_HIOEN, 0); 4909 4910 switch (dev->dev->bus_type) { 4911#ifdef CONFIG_B43_BCMA 4912 case B43_BUS_BCMA: 4913 bcma_chipco_gpio_control(&dev->dev->bdev->bus->drv_cc, 4914 0xFC00, 0xFC00); 4915 break; 4916#endif 4917#ifdef CONFIG_B43_SSB 4918 case B43_BUS_SSB: 4919 ssb_chipco_gpio_control(&dev->dev->sdev->bus->chipco, 4920 0xFC00, 0xFC00); 4921 break; 4922#endif 4923 } 4924 4925 b43_maskset32(dev, B43_MMIO_MACCTL, ~B43_MACCTL_GPOUTSMSK, 0); 4926 b43_maskset16(dev, B43_MMIO_GPIO_MASK, ~0, 0xFC00); 4927 b43_maskset16(dev, B43_MMIO_GPIO_CONTROL, (~0xFC00 & 0xFFFF), 4928 0); 4929 4930 if (init) { 4931 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO1, 0x2D8); 4932 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP1, 0x301); 4933 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_LO2, 0x2D8); 4934 b43_phy_write(dev, B43_NPHY_RFCTL_LUT_TRSW_UP2, 0x301); 4935 } 4936 } 4937} 4938 4939/* http://bcm-v4.sipsolutions.net/802.11/PHY/Init/N */ 4940static int b43_phy_initn(struct b43_wldev *dev) 4941{ 4942 struct ssb_sprom *sprom = dev->dev->bus_sprom; 4943 struct b43_phy *phy = &dev->phy; 4944 struct b43_phy_n *nphy = phy->n; 4945 u8 tx_pwr_state; 4946 struct nphy_txgains target; 4947 u16 tmp; 4948 enum ieee80211_band tmp2; 4949 bool do_rssi_cal; 4950 4951 u16 clip[2]; 4952 bool do_cal = false; 4953 4954 if ((dev->phy.rev >= 3) && 4955 (sprom->boardflags_lo & B43_BFL_EXTLNA) && 4956 (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ)) { 4957 switch (dev->dev->bus_type) { 4958#ifdef CONFIG_B43_BCMA 4959 case B43_BUS_BCMA: 4960 bcma_cc_set32(&dev->dev->bdev->bus->drv_cc, 4961 BCMA_CC_CHIPCTL, 0x40); 4962 break; 4963#endif 4964#ifdef CONFIG_B43_SSB 4965 case B43_BUS_SSB: 4966 chipco_set32(&dev->dev->sdev->bus->chipco, 4967 SSB_CHIPCO_CHIPCTL, 0x40); 4968 break; 4969#endif 4970 } 4971 } 4972 nphy->deaf_count = 0; 4973 b43_nphy_tables_init(dev); 4974 nphy->crsminpwr_adjusted = false; 4975 nphy->noisevars_adjusted = false; 4976 4977 /* Clear all overrides */ 4978 if (dev->phy.rev >= 3) { 4979 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S1, 0); 4980 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0); 4981 b43_phy_write(dev, B43_NPHY_TXF_40CO_B1S0, 0); 4982 b43_phy_write(dev, B43_NPHY_TXF_40CO_B32S1, 0); 4983 } else { 4984 b43_phy_write(dev, B43_NPHY_RFCTL_OVER, 0); 4985 } 4986 b43_phy_write(dev, B43_NPHY_RFCTL_INTC1, 0); 4987 b43_phy_write(dev, B43_NPHY_RFCTL_INTC2, 0); 4988 if (dev->phy.rev < 6) { 4989 b43_phy_write(dev, B43_NPHY_RFCTL_INTC3, 0); 4990 b43_phy_write(dev, B43_NPHY_RFCTL_INTC4, 0); 4991 } 4992 b43_phy_mask(dev, B43_NPHY_RFSEQMODE, 4993 ~(B43_NPHY_RFSEQMODE_CAOVER | 4994 B43_NPHY_RFSEQMODE_TROVER)); 4995 if (dev->phy.rev >= 3) 4996 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, 0); 4997 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, 0); 4998 4999 if (dev->phy.rev <= 2) { 5000 tmp = (dev->phy.rev == 2) ? 0x3B : 0x40; 5001 b43_phy_maskset(dev, B43_NPHY_BPHY_CTL3, 5002 ~B43_NPHY_BPHY_CTL3_SCALE, 5003 tmp << B43_NPHY_BPHY_CTL3_SCALE_SHIFT); 5004 } 5005 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_20M, 0x20); 5006 b43_phy_write(dev, B43_NPHY_AFESEQ_TX2RX_PUD_40M, 0x20); 5007 5008 if (sprom->boardflags2_lo & B43_BFL2_SKWRKFEM_BRD || 5009 (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE && 5010 dev->dev->board_type == BCMA_BOARD_TYPE_BCM943224M93)) 5011 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xA0); 5012 else 5013 b43_phy_write(dev, B43_NPHY_TXREALFD, 0xB8); 5014 b43_phy_write(dev, B43_NPHY_MIMO_CRSTXEXT, 0xC8); 5015 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x50); 5016 b43_phy_write(dev, B43_NPHY_TXRIFS_FRDEL, 0x30); 5017 5018 b43_nphy_update_mimo_config(dev, nphy->preamble_override); 5019 b43_nphy_update_txrx_chain(dev); 5020 5021 if (phy->rev < 2) { 5022 b43_phy_write(dev, B43_NPHY_DUP40_GFBL, 0xAA8); 5023 b43_phy_write(dev, B43_NPHY_DUP40_BL, 0x9A4); 5024 } 5025 5026 tmp2 = b43_current_band(dev->wl); 5027 if (b43_nphy_ipa(dev)) { 5028 b43_phy_set(dev, B43_NPHY_PAPD_EN0, 0x1); 5029 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ0, 0x007F, 5030 nphy->papd_epsilon_offset[0] << 7); 5031 b43_phy_set(dev, B43_NPHY_PAPD_EN1, 0x1); 5032 b43_phy_maskset(dev, B43_NPHY_EPS_TABLE_ADJ1, 0x007F, 5033 nphy->papd_epsilon_offset[1] << 7); 5034 b43_nphy_int_pa_set_tx_dig_filters(dev); 5035 } else if (phy->rev >= 5) { 5036 b43_nphy_ext_pa_set_tx_dig_filters(dev); 5037 } 5038 5039 b43_nphy_workarounds(dev); 5040 5041 /* Reset CCA, in init code it differs a little from standard way */ 5042 b43_phy_force_clock(dev, 1); 5043 tmp = b43_phy_read(dev, B43_NPHY_BBCFG); 5044 b43_phy_write(dev, B43_NPHY_BBCFG, tmp | B43_NPHY_BBCFG_RSTCCA); 5045 b43_phy_write(dev, B43_NPHY_BBCFG, tmp & ~B43_NPHY_BBCFG_RSTCCA); 5046 b43_phy_force_clock(dev, 0); 5047 5048 b43_mac_phy_clock_set(dev, true); 5049 5050 b43_nphy_pa_override(dev, false); 5051 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RX2TX); 5052 b43_nphy_force_rf_sequence(dev, B43_RFSEQ_RESET2RX); 5053 b43_nphy_pa_override(dev, true); 5054 5055 b43_nphy_classifier(dev, 0, 0); 5056 b43_nphy_read_clip_detection(dev, clip); 5057 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 5058 b43_nphy_bphy_init(dev); 5059 5060 tx_pwr_state = nphy->txpwrctrl; 5061 b43_nphy_tx_power_ctrl(dev, false); 5062 b43_nphy_tx_power_fix(dev); 5063 b43_nphy_tx_power_ctl_idle_tssi(dev); 5064 b43_nphy_tx_power_ctl_setup(dev); 5065 b43_nphy_tx_gain_table_upload(dev); 5066 5067 if (nphy->phyrxchain != 3) 5068 b43_nphy_set_rx_core_state(dev, nphy->phyrxchain); 5069 if (nphy->mphase_cal_phase_id > 0) 5070 ;/* TODO PHY Periodic Calibration Multi-Phase Restart */ 5071 5072 do_rssi_cal = false; 5073 if (phy->rev >= 3) { 5074 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 5075 do_rssi_cal = !nphy->rssical_chanspec_2G.center_freq; 5076 else 5077 do_rssi_cal = !nphy->rssical_chanspec_5G.center_freq; 5078 5079 if (do_rssi_cal) 5080 b43_nphy_rssi_cal(dev); 5081 else 5082 b43_nphy_restore_rssi_cal(dev); 5083 } else { 5084 b43_nphy_rssi_cal(dev); 5085 } 5086 5087 if (!((nphy->measure_hold & 0x6) != 0)) { 5088 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 5089 do_cal = !nphy->iqcal_chanspec_2G.center_freq; 5090 else 5091 do_cal = !nphy->iqcal_chanspec_5G.center_freq; 5092 5093 if (nphy->mute) 5094 do_cal = false; 5095 5096 if (do_cal) { 5097 target = b43_nphy_get_tx_gains(dev); 5098 5099 if (nphy->antsel_type == 2) 5100 b43_nphy_superswitch_init(dev, true); 5101 if (nphy->perical != 2) { 5102 b43_nphy_rssi_cal(dev); 5103 if (phy->rev >= 3) { 5104 nphy->cal_orig_pwr_idx[0] = 5105 nphy->txpwrindex[0].index_internal; 5106 nphy->cal_orig_pwr_idx[1] = 5107 nphy->txpwrindex[1].index_internal; 5108 /* TODO N PHY Pre Calibrate TX Gain */ 5109 target = b43_nphy_get_tx_gains(dev); 5110 } 5111 if (!b43_nphy_cal_tx_iq_lo(dev, target, true, false)) 5112 if (b43_nphy_cal_rx_iq(dev, target, 2, 0) == 0) 5113 b43_nphy_save_cal(dev); 5114 } else if (nphy->mphase_cal_phase_id == 0) 5115 ;/* N PHY Periodic Calibration with arg 3 */ 5116 } else { 5117 b43_nphy_restore_cal(dev); 5118 } 5119 } 5120 5121 b43_nphy_tx_pwr_ctrl_coef_setup(dev); 5122 b43_nphy_tx_power_ctrl(dev, tx_pwr_state); 5123 b43_phy_write(dev, B43_NPHY_TXMACIF_HOLDOFF, 0x0015); 5124 b43_phy_write(dev, B43_NPHY_TXMACDELAY, 0x0320); 5125 if (phy->rev >= 3 && phy->rev <= 6) 5126 b43_phy_write(dev, B43_NPHY_PLOAD_CSENSE_EXTLEN, 0x0014); 5127 b43_nphy_tx_lp_fbw(dev); 5128 if (phy->rev >= 3) 5129 b43_nphy_spur_workaround(dev); 5130 5131 return 0; 5132} 5133 5134/************************************************** 5135 * Channel switching ops. 5136 **************************************************/ 5137 5138static void b43_chantab_phy_upload(struct b43_wldev *dev, 5139 const struct b43_phy_n_sfo_cfg *e) 5140{ 5141 b43_phy_write(dev, B43_NPHY_BW1A, e->phy_bw1a); 5142 b43_phy_write(dev, B43_NPHY_BW2, e->phy_bw2); 5143 b43_phy_write(dev, B43_NPHY_BW3, e->phy_bw3); 5144 b43_phy_write(dev, B43_NPHY_BW4, e->phy_bw4); 5145 b43_phy_write(dev, B43_NPHY_BW5, e->phy_bw5); 5146 b43_phy_write(dev, B43_NPHY_BW6, e->phy_bw6); 5147} 5148 5149/* http://bcm-v4.sipsolutions.net/802.11/PmuSpurAvoid */ 5150static void b43_nphy_pmu_spur_avoid(struct b43_wldev *dev, bool avoid) 5151{ 5152 switch (dev->dev->bus_type) { 5153#ifdef CONFIG_B43_BCMA 5154 case B43_BUS_BCMA: 5155 bcma_pmu_spuravoid_pllupdate(&dev->dev->bdev->bus->drv_cc, 5156 avoid); 5157 break; 5158#endif 5159#ifdef CONFIG_B43_SSB 5160 case B43_BUS_SSB: 5161 ssb_pmu_spuravoid_pllupdate(&dev->dev->sdev->bus->chipco, 5162 avoid); 5163 break; 5164#endif 5165 } 5166} 5167 5168/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/ChanspecSetup */ 5169static void b43_nphy_channel_setup(struct b43_wldev *dev, 5170 const struct b43_phy_n_sfo_cfg *e, 5171 struct ieee80211_channel *new_channel) 5172{ 5173 struct b43_phy *phy = &dev->phy; 5174 struct b43_phy_n *nphy = dev->phy.n; 5175 int ch = new_channel->hw_value; 5176 5177 u16 old_band_5ghz; 5178 u32 tmp32; 5179 5180 old_band_5ghz = 5181 b43_phy_read(dev, B43_NPHY_BANDCTL) & B43_NPHY_BANDCTL_5GHZ; 5182 if (new_channel->band == IEEE80211_BAND_5GHZ && !old_band_5ghz) { 5183 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); 5184 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); 5185 b43_phy_set(dev, B43_PHY_B_BBCFG, 0xC000); 5186 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); 5187 b43_phy_set(dev, B43_NPHY_BANDCTL, B43_NPHY_BANDCTL_5GHZ); 5188 } else if (new_channel->band == IEEE80211_BAND_2GHZ && old_band_5ghz) { 5189 b43_phy_mask(dev, B43_NPHY_BANDCTL, ~B43_NPHY_BANDCTL_5GHZ); 5190 tmp32 = b43_read32(dev, B43_MMIO_PSM_PHY_HDR); 5191 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32 | 4); 5192 b43_phy_mask(dev, B43_PHY_B_BBCFG, 0x3FFF); 5193 b43_write32(dev, B43_MMIO_PSM_PHY_HDR, tmp32); 5194 } 5195 5196 b43_chantab_phy_upload(dev, e); 5197 5198 if (new_channel->hw_value == 14) { 5199 b43_nphy_classifier(dev, 2, 0); 5200 b43_phy_set(dev, B43_PHY_B_TEST, 0x0800); 5201 } else { 5202 b43_nphy_classifier(dev, 2, 2); 5203 if (new_channel->band == IEEE80211_BAND_2GHZ) 5204 b43_phy_mask(dev, B43_PHY_B_TEST, ~0x840); 5205 } 5206 5207 if (!nphy->txpwrctrl) 5208 b43_nphy_tx_power_fix(dev); 5209 5210 if (dev->phy.rev < 3) 5211 b43_nphy_adjust_lna_gain_table(dev); 5212 5213 b43_nphy_tx_lp_fbw(dev); 5214 5215 if (dev->phy.rev >= 3 && 5216 dev->phy.n->spur_avoid != B43_SPUR_AVOID_DISABLE) { 5217 bool avoid = false; 5218 if (dev->phy.n->spur_avoid == B43_SPUR_AVOID_FORCE) { 5219 avoid = true; 5220 } else if (!b43_channel_type_is_40mhz(phy->channel_type)) { 5221 if ((ch >= 5 && ch <= 8) || ch == 13 || ch == 14) 5222 avoid = true; 5223 } else { /* 40MHz */ 5224 if (nphy->aband_spurwar_en && 5225 (ch == 38 || ch == 102 || ch == 118)) 5226 avoid = dev->dev->chip_id == 0x4716; 5227 } 5228 5229 b43_nphy_pmu_spur_avoid(dev, avoid); 5230 5231 if (dev->dev->chip_id == 43222 || dev->dev->chip_id == 43224 || 5232 dev->dev->chip_id == 43225) { 5233 b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_LOW, 5234 avoid ? 0x5341 : 0x8889); 5235 b43_write16(dev, B43_MMIO_TSF_CLK_FRAC_HIGH, 0x8); 5236 } 5237 5238 if (dev->phy.rev == 3 || dev->phy.rev == 4) 5239 ; /* TODO: reset PLL */ 5240 5241 if (avoid) 5242 b43_phy_set(dev, B43_NPHY_BBCFG, B43_NPHY_BBCFG_RSTRX); 5243 else 5244 b43_phy_mask(dev, B43_NPHY_BBCFG, 5245 ~B43_NPHY_BBCFG_RSTRX & 0xFFFF); 5246 5247 b43_nphy_reset_cca(dev); 5248 5249 /* wl sets useless phy_isspuravoid here */ 5250 } 5251 5252 b43_phy_write(dev, B43_NPHY_NDATAT_DUP40, 0x3830); 5253 5254 if (phy->rev >= 3) 5255 b43_nphy_spur_workaround(dev); 5256} 5257 5258/* http://bcm-v4.sipsolutions.net/802.11/PHY/N/SetChanspec */ 5259static int b43_nphy_set_channel(struct b43_wldev *dev, 5260 struct ieee80211_channel *channel, 5261 enum nl80211_channel_type channel_type) 5262{ 5263 struct b43_phy *phy = &dev->phy; 5264 5265 const struct b43_nphy_channeltab_entry_rev2 *tabent_r2 = NULL; 5266 const struct b43_nphy_channeltab_entry_rev3 *tabent_r3 = NULL; 5267 5268 u8 tmp; 5269 5270 if (dev->phy.rev >= 3) { 5271 tabent_r3 = b43_nphy_get_chantabent_rev3(dev, 5272 channel->center_freq); 5273 if (!tabent_r3) 5274 return -ESRCH; 5275 } else { 5276 tabent_r2 = b43_nphy_get_chantabent_rev2(dev, 5277 channel->hw_value); 5278 if (!tabent_r2) 5279 return -ESRCH; 5280 } 5281 5282 /* Channel is set later in common code, but we need to set it on our 5283 own to let this function's subcalls work properly. */ 5284 phy->channel = channel->hw_value; 5285 phy->channel_freq = channel->center_freq; 5286 5287 if (b43_channel_type_is_40mhz(phy->channel_type) != 5288 b43_channel_type_is_40mhz(channel_type)) 5289 ; /* TODO: BMAC BW Set (channel_type) */ 5290 5291 if (channel_type == NL80211_CHAN_HT40PLUS) 5292 b43_phy_set(dev, B43_NPHY_RXCTL, 5293 B43_NPHY_RXCTL_BSELU20); 5294 else if (channel_type == NL80211_CHAN_HT40MINUS) 5295 b43_phy_mask(dev, B43_NPHY_RXCTL, 5296 ~B43_NPHY_RXCTL_BSELU20); 5297 5298 if (dev->phy.rev >= 3) { 5299 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 4 : 0; 5300 b43_radio_maskset(dev, 0x08, 0xFFFB, tmp); 5301 b43_radio_2056_setup(dev, tabent_r3); 5302 b43_nphy_channel_setup(dev, &(tabent_r3->phy_regs), channel); 5303 } else { 5304 tmp = (channel->band == IEEE80211_BAND_5GHZ) ? 0x0020 : 0x0050; 5305 b43_radio_maskset(dev, B2055_MASTER1, 0xFF8F, tmp); 5306 b43_radio_2055_setup(dev, tabent_r2); 5307 b43_nphy_channel_setup(dev, &(tabent_r2->phy_regs), channel); 5308 } 5309 5310 return 0; 5311} 5312 5313/************************************************** 5314 * Basic PHY ops. 5315 **************************************************/ 5316 5317static int b43_nphy_op_allocate(struct b43_wldev *dev) 5318{ 5319 struct b43_phy_n *nphy; 5320 5321 nphy = kzalloc(sizeof(*nphy), GFP_KERNEL); 5322 if (!nphy) 5323 return -ENOMEM; 5324 dev->phy.n = nphy; 5325 5326 return 0; 5327} 5328 5329static void b43_nphy_op_prepare_structs(struct b43_wldev *dev) 5330{ 5331 struct b43_phy *phy = &dev->phy; 5332 struct b43_phy_n *nphy = phy->n; 5333 struct ssb_sprom *sprom = dev->dev->bus_sprom; 5334 5335 memset(nphy, 0, sizeof(*nphy)); 5336 5337 nphy->hang_avoid = (phy->rev == 3 || phy->rev == 4); 5338 nphy->spur_avoid = (phy->rev >= 3) ? 5339 B43_SPUR_AVOID_AUTO : B43_SPUR_AVOID_DISABLE; 5340 nphy->init_por = true; 5341 nphy->gain_boost = true; /* this way we follow wl, assume it is true */ 5342 nphy->txrx_chain = 2; /* sth different than 0 and 1 for now */ 5343 nphy->phyrxchain = 3; /* to avoid b43_nphy_set_rx_core_state like wl */ 5344 nphy->perical = 2; /* avoid additional rssi cal on init (like wl) */ 5345 /* 128 can mean disabled-by-default state of TX pwr ctl. Max value is 5346 * 0x7f == 127 and we check for 128 when restoring TX pwr ctl. */ 5347 nphy->tx_pwr_idx[0] = 128; 5348 nphy->tx_pwr_idx[1] = 128; 5349 5350 /* Hardware TX power control and 5GHz power gain */ 5351 nphy->txpwrctrl = false; 5352 nphy->pwg_gain_5ghz = false; 5353 if (dev->phy.rev >= 3 || 5354 (dev->dev->board_vendor == PCI_VENDOR_ID_APPLE && 5355 (dev->dev->core_rev == 11 || dev->dev->core_rev == 12))) { 5356 nphy->txpwrctrl = true; 5357 nphy->pwg_gain_5ghz = true; 5358 } else if (sprom->revision >= 4) { 5359 if (dev->phy.rev >= 2 && 5360 (sprom->boardflags2_lo & B43_BFL2_TXPWRCTRL_EN)) { 5361 nphy->txpwrctrl = true; 5362#ifdef CONFIG_B43_SSB 5363 if (dev->dev->bus_type == B43_BUS_SSB && 5364 dev->dev->sdev->bus->bustype == SSB_BUSTYPE_PCI) { 5365 struct pci_dev *pdev = 5366 dev->dev->sdev->bus->host_pci; 5367 if (pdev->device == 0x4328 || 5368 pdev->device == 0x432a) 5369 nphy->pwg_gain_5ghz = true; 5370 } 5371#endif 5372 } else if (sprom->boardflags2_lo & B43_BFL2_5G_PWRGAIN) { 5373 nphy->pwg_gain_5ghz = true; 5374 } 5375 } 5376 5377 if (dev->phy.rev >= 3) { 5378 nphy->ipa2g_on = sprom->fem.ghz2.extpa_gain == 2; 5379 nphy->ipa5g_on = sprom->fem.ghz5.extpa_gain == 2; 5380 } 5381 5382 nphy->init_por = true; 5383} 5384 5385static void b43_nphy_op_free(struct b43_wldev *dev) 5386{ 5387 struct b43_phy *phy = &dev->phy; 5388 struct b43_phy_n *nphy = phy->n; 5389 5390 kfree(nphy); 5391 phy->n = NULL; 5392} 5393 5394static int b43_nphy_op_init(struct b43_wldev *dev) 5395{ 5396 return b43_phy_initn(dev); 5397} 5398 5399static inline void check_phyreg(struct b43_wldev *dev, u16 offset) 5400{ 5401#if B43_DEBUG 5402 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_OFDM_GPHY) { 5403 /* OFDM registers are onnly available on A/G-PHYs */ 5404 b43err(dev->wl, "Invalid OFDM PHY access at " 5405 "0x%04X on N-PHY\n", offset); 5406 dump_stack(); 5407 } 5408 if ((offset & B43_PHYROUTE) == B43_PHYROUTE_EXT_GPHY) { 5409 /* Ext-G registers are only available on G-PHYs */ 5410 b43err(dev->wl, "Invalid EXT-G PHY access at " 5411 "0x%04X on N-PHY\n", offset); 5412 dump_stack(); 5413 } 5414#endif /* B43_DEBUG */ 5415} 5416 5417static u16 b43_nphy_op_read(struct b43_wldev *dev, u16 reg) 5418{ 5419 check_phyreg(dev, reg); 5420 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); 5421 return b43_read16(dev, B43_MMIO_PHY_DATA); 5422} 5423 5424static void b43_nphy_op_write(struct b43_wldev *dev, u16 reg, u16 value) 5425{ 5426 check_phyreg(dev, reg); 5427 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); 5428 b43_write16(dev, B43_MMIO_PHY_DATA, value); 5429} 5430 5431static void b43_nphy_op_maskset(struct b43_wldev *dev, u16 reg, u16 mask, 5432 u16 set) 5433{ 5434 check_phyreg(dev, reg); 5435 b43_write16(dev, B43_MMIO_PHY_CONTROL, reg); 5436 b43_maskset16(dev, B43_MMIO_PHY_DATA, mask, set); 5437} 5438 5439static u16 b43_nphy_op_radio_read(struct b43_wldev *dev, u16 reg) 5440{ 5441 /* Register 1 is a 32-bit register. */ 5442 B43_WARN_ON(reg == 1); 5443 /* N-PHY needs 0x100 for read access */ 5444 reg |= 0x100; 5445 5446 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); 5447 return b43_read16(dev, B43_MMIO_RADIO_DATA_LOW); 5448} 5449 5450static void b43_nphy_op_radio_write(struct b43_wldev *dev, u16 reg, u16 value) 5451{ 5452 /* Register 1 is a 32-bit register. */ 5453 B43_WARN_ON(reg == 1); 5454 5455 b43_write16(dev, B43_MMIO_RADIO_CONTROL, reg); 5456 b43_write16(dev, B43_MMIO_RADIO_DATA_LOW, value); 5457} 5458 5459/* http://bcm-v4.sipsolutions.net/802.11/Radio/Switch%20Radio */ 5460static void b43_nphy_op_software_rfkill(struct b43_wldev *dev, 5461 bool blocked) 5462{ 5463 if (b43_read32(dev, B43_MMIO_MACCTL) & B43_MACCTL_ENABLED) 5464 b43err(dev->wl, "MAC not suspended\n"); 5465 5466 if (blocked) { 5467 b43_phy_mask(dev, B43_NPHY_RFCTL_CMD, 5468 ~B43_NPHY_RFCTL_CMD_CHIP0PU); 5469 if (dev->phy.rev >= 7) { 5470 /* TODO */ 5471 } else if (dev->phy.rev >= 3) { 5472 b43_radio_mask(dev, 0x09, ~0x2); 5473 5474 b43_radio_write(dev, 0x204D, 0); 5475 b43_radio_write(dev, 0x2053, 0); 5476 b43_radio_write(dev, 0x2058, 0); 5477 b43_radio_write(dev, 0x205E, 0); 5478 b43_radio_mask(dev, 0x2062, ~0xF0); 5479 b43_radio_write(dev, 0x2064, 0); 5480 5481 b43_radio_write(dev, 0x304D, 0); 5482 b43_radio_write(dev, 0x3053, 0); 5483 b43_radio_write(dev, 0x3058, 0); 5484 b43_radio_write(dev, 0x305E, 0); 5485 b43_radio_mask(dev, 0x3062, ~0xF0); 5486 b43_radio_write(dev, 0x3064, 0); 5487 } 5488 } else { 5489 if (dev->phy.rev >= 7) { 5490 b43_radio_2057_init(dev); 5491 b43_switch_channel(dev, dev->phy.channel); 5492 } else if (dev->phy.rev >= 3) { 5493 b43_radio_init2056(dev); 5494 b43_switch_channel(dev, dev->phy.channel); 5495 } else { 5496 b43_radio_init2055(dev); 5497 } 5498 } 5499} 5500 5501/* http://bcm-v4.sipsolutions.net/802.11/PHY/Anacore */ 5502static void b43_nphy_op_switch_analog(struct b43_wldev *dev, bool on) 5503{ 5504 u16 override = on ? 0x0 : 0x7FFF; 5505 u16 core = on ? 0xD : 0x00FD; 5506 5507 if (dev->phy.rev >= 3) { 5508 if (on) { 5509 b43_phy_write(dev, B43_NPHY_AFECTL_C1, core); 5510 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override); 5511 b43_phy_write(dev, B43_NPHY_AFECTL_C2, core); 5512 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override); 5513 } else { 5514 b43_phy_write(dev, B43_NPHY_AFECTL_OVER1, override); 5515 b43_phy_write(dev, B43_NPHY_AFECTL_C1, core); 5516 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override); 5517 b43_phy_write(dev, B43_NPHY_AFECTL_C2, core); 5518 } 5519 } else { 5520 b43_phy_write(dev, B43_NPHY_AFECTL_OVER, override); 5521 } 5522} 5523 5524static int b43_nphy_op_switch_channel(struct b43_wldev *dev, 5525 unsigned int new_channel) 5526{ 5527 struct ieee80211_channel *channel = dev->wl->hw->conf.chandef.chan; 5528 enum nl80211_channel_type channel_type = 5529 cfg80211_get_chandef_type(&dev->wl->hw->conf.chandef); 5530 5531 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) { 5532 if ((new_channel < 1) || (new_channel > 14)) 5533 return -EINVAL; 5534 } else { 5535 if (new_channel > 200) 5536 return -EINVAL; 5537 } 5538 5539 return b43_nphy_set_channel(dev, channel, channel_type); 5540} 5541 5542static unsigned int b43_nphy_op_get_default_chan(struct b43_wldev *dev) 5543{ 5544 if (b43_current_band(dev->wl) == IEEE80211_BAND_2GHZ) 5545 return 1; 5546 return 36; 5547} 5548 5549const struct b43_phy_operations b43_phyops_n = { 5550 .allocate = b43_nphy_op_allocate, 5551 .free = b43_nphy_op_free, 5552 .prepare_structs = b43_nphy_op_prepare_structs, 5553 .init = b43_nphy_op_init, 5554 .phy_read = b43_nphy_op_read, 5555 .phy_write = b43_nphy_op_write, 5556 .phy_maskset = b43_nphy_op_maskset, 5557 .radio_read = b43_nphy_op_radio_read, 5558 .radio_write = b43_nphy_op_radio_write, 5559 .software_rfkill = b43_nphy_op_software_rfkill, 5560 .switch_analog = b43_nphy_op_switch_analog, 5561 .switch_channel = b43_nphy_op_switch_channel, 5562 .get_default_chan = b43_nphy_op_get_default_chan, 5563 .recalc_txpower = b43_nphy_op_recalc_txpower, 5564 .adjust_txpower = b43_nphy_op_adjust_txpower, 5565};