1 /* $NetBSD: arn5416.c,v 1.3 2022/09/25 18:43:32 thorpej Exp $ */ 2 /* $OpenBSD: ar5416.c,v 1.12 2012/06/10 21:23:36 kettenis Exp $ */ 3 4 /*- 5 * Copyright (c) 2009 Damien Bergamini <damien.bergamini (at) free.fr> 6 * Copyright (c) 2008-2009 Atheros Communications Inc. 7 * 8 * Permission to use, copy, modify, and/or distribute this software for any 9 * purpose with or without fee is hereby granted, provided that the above 10 * copyright notice and this permission notice appear in all copies. 11 * 12 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES 13 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF 14 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR 15 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES 16 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN 17 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF 18 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. 19 */ 20 21 /* 22 * Driver for Atheros 802.11a/g/n chipsets. 23 * Routines for AR5416, AR5418 and AR9160 chipsets. 24 */ 25 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: arn5416.c,v 1.3 2022/09/25 18:43:32 thorpej Exp $"); 28 29 #include <sys/param.h> 30 #include <sys/sockio.h> 31 #include <sys/mbuf.h> 32 #include <sys/kernel.h> 33 #include <sys/socket.h> 34 #include <sys/systm.h> 35 #include <sys/queue.h> 36 #include <sys/callout.h> 37 #include <sys/conf.h> 38 #include <sys/device.h> 39 40 #include <sys/bus.h> 41 #include <sys/endian.h> 42 #include <sys/intr.h> 43 44 #include <net/bpf.h> 45 #include <net/if.h> 46 #include <net/if_arp.h> 47 #include <net/if_dl.h> 48 #include <net/if_ether.h> 49 #include <net/if_media.h> 50 #include <net/if_types.h> 51 52 #include <netinet/in.h> 53 #include <netinet/in_systm.h> 54 #include <netinet/in_var.h> 55 #include <netinet/ip.h> 56 57 #include <net80211/ieee80211_var.h> 58 #include <net80211/ieee80211_amrr.h> 59 #include <net80211/ieee80211_radiotap.h> 60 61 #include <dev/ic/athnreg.h> 62 #include <dev/ic/athnvar.h> 63 64 #include <dev/ic/arn5008reg.h> 65 #include <dev/ic/arn5008.h> 66 #include <dev/ic/arn5416reg.h> 67 #include <dev/ic/arn5416.h> 68 #include <dev/ic/arn9280.h> 69 70 #define Static static 71 72 Static void ar5416_force_bias(struct athn_softc *, 73 struct ieee80211_channel *); 74 Static void ar5416_get_pdadcs(struct athn_softc *, 75 struct ieee80211_channel *, int, int, uint8_t, uint8_t *, 76 uint8_t *); 77 Static void ar5416_init_from_rom(struct athn_softc *, 78 struct ieee80211_channel *, struct ieee80211_channel *); 79 Static uint8_t ar5416_reverse_bits(uint8_t, int); 80 Static void ar5416_rw_bank6tpc(struct athn_softc *, 81 struct ieee80211_channel *, uint32_t *); 82 Static void ar5416_rw_rfbits(uint32_t *, int, int, uint32_t, int); 83 Static void ar5416_set_power_calib(struct athn_softc *, 84 struct ieee80211_channel *); 85 Static int ar5416_set_synth(struct athn_softc *, 86 struct ieee80211_channel *, struct ieee80211_channel *); 87 Static void ar5416_setup(struct athn_softc *); 88 Static void ar5416_spur_mitigate(struct athn_softc *, 89 struct ieee80211_channel *, struct ieee80211_channel *); 90 Static void ar9160_rw_addac(struct athn_softc *, 91 struct ieee80211_channel *, uint32_t *); 92 93 PUBLIC int 94 ar5416_attach(struct athn_softc *sc) 95 { 96 sc->sc_eep_base = AR5416_EEP_START_LOC; 97 sc->sc_eep_size = sizeof(struct ar5416_eeprom); 98 sc->sc_def_nf = AR5416_PHY_CCA_MAX_GOOD_VALUE; 99 sc->sc_ngpiopins = 14; 100 sc->sc_led_pin = 1; 101 sc->sc_workaround = AR5416_WA_DEFAULT; 102 sc->sc_ops.setup = ar5416_setup; 103 sc->sc_ops.swap_rom = ar5416_swap_rom; 104 sc->sc_ops.init_from_rom = ar5416_init_from_rom; 105 sc->sc_ops.set_txpower = ar5416_set_txpower; 106 sc->sc_ops.set_synth = ar5416_set_synth; 107 sc->sc_ops.spur_mitigate = ar5416_spur_mitigate; 108 sc->sc_ops.get_spur_chans = ar5416_get_spur_chans; 109 if (AR_SREV_9160_10_OR_LATER(sc)) 110 sc->sc_ini = &ar9160_ini; 111 else 112 sc->sc_ini = &ar5416_ini; 113 sc->sc_serdes = &ar5416_serdes; 114 115 return ar5008_attach(sc); 116 } 117 118 Static void 119 ar5416_setup(struct athn_softc *sc) 120 { 121 /* Select ADDAC programming. */ 122 if (AR_SREV_9160_11(sc)) 123 sc->sc_addac = &ar9160_1_1_addac; 124 else if (AR_SREV_9160_10_OR_LATER(sc)) 125 sc->sc_addac = &ar9160_1_0_addac; 126 else if (AR_SREV_5416_22_OR_LATER(sc)) 127 sc->sc_addac = &ar5416_2_2_addac; 128 else 129 sc->sc_addac = &ar5416_2_1_addac; 130 } 131 132 PUBLIC void 133 ar5416_swap_rom(struct athn_softc *sc) 134 { 135 struct ar5416_eeprom *eep = sc->sc_eep; 136 struct ar5416_modal_eep_header *modal; 137 int i, j; 138 139 for (i = 0; i < 2; i++) { /* Dual-band. */ 140 modal = &eep->modalHeader[i]; 141 142 modal->antCtrlCommon = bswap32(modal->antCtrlCommon); 143 for (j = 0; j < AR5416_MAX_CHAINS; j++) { 144 modal->antCtrlChain[j] = 145 bswap32(modal->antCtrlChain[j]); 146 } 147 for (j = 0; j < AR_EEPROM_MODAL_SPURS; j++) { 148 modal->spurChans[j].spurChan = 149 bswap16(modal->spurChans[j].spurChan); 150 } 151 } 152 } 153 154 PUBLIC const struct ar_spur_chan * 155 ar5416_get_spur_chans(struct athn_softc *sc, int is2ghz) 156 { 157 const struct ar5416_eeprom *eep = sc->sc_eep; 158 159 return eep->modalHeader[is2ghz].spurChans; 160 } 161 162 Static int 163 ar5416_set_synth(struct athn_softc *sc, struct ieee80211_channel *c, 164 struct ieee80211_channel *extc) 165 { 166 uint32_t phy, reg; 167 uint32_t freq = c->ic_freq; 168 uint8_t chansel; 169 170 phy = 0; 171 if (IEEE80211_IS_CHAN_2GHZ(c)) { 172 if (((freq - 2192) % 5) == 0) { 173 chansel = ((freq - 672) * 2 - 3040) / 10; 174 } 175 else if (((freq - 2224) % 5) == 0) { 176 chansel = ((freq - 704) * 2 - 3040) / 10; 177 phy |= AR5416_BMODE_SYNTH; 178 } 179 else 180 return EINVAL; 181 chansel <<= 2; 182 183 reg = AR_READ(sc, AR_PHY_CCK_TX_CTRL); 184 if (freq == 2484) /* Channel 14. */ 185 reg |= AR_PHY_CCK_TX_CTRL_JAPAN; 186 else 187 reg &= ~AR_PHY_CCK_TX_CTRL_JAPAN; 188 AR_WRITE(sc, AR_PHY_CCK_TX_CTRL, reg); 189 190 /* Fix for orientation sensitivity issue. */ 191 if (AR_SREV_5416(sc)) 192 ar5416_force_bias(sc, c); 193 } 194 else { 195 if (freq >= 5120 && (freq % 20) == 0) { 196 chansel = (freq - 4800) / 20; 197 chansel <<= 2; 198 phy |= SM(AR5416_AMODE_REFSEL, 2); 199 } 200 else if ((freq % 10) == 0) { 201 chansel = (freq - 4800) / 10; 202 chansel <<= 1; 203 if (AR_SREV_9160_10_OR_LATER(sc)) 204 phy |= SM(AR5416_AMODE_REFSEL, 1); 205 else 206 phy |= SM(AR5416_AMODE_REFSEL, 2); 207 } 208 else if ((freq % 5) == 0) { 209 chansel = (freq - 4800) / 5; 210 phy |= SM(AR5416_AMODE_REFSEL, 2); 211 } 212 else 213 return EINVAL; 214 } 215 chansel = ar5416_reverse_bits(chansel, 8); 216 phy |= chansel << 8 | 1 << 5 | 1; 217 DPRINTFN(DBG_RF, sc, "AR_PHY(0x37)=0x%08x\n", phy); 218 AR_WRITE(sc, AR_PHY(0x37), phy); 219 return 0; 220 } 221 222 Static void 223 ar5416_init_from_rom(struct athn_softc *sc, struct ieee80211_channel *c, 224 struct ieee80211_channel *extc) 225 { 226 static const uint32_t chainoffset[] = { 0x0000, 0x2000, 0x1000 }; 227 const struct ar5416_eeprom *eep = sc->sc_eep; 228 const struct ar5416_modal_eep_header *modal; 229 uint32_t reg, offset; 230 uint8_t txRxAtten; 231 int i; 232 233 modal = &eep->modalHeader[IEEE80211_IS_CHAN_2GHZ(c)]; 234 235 AR_WRITE(sc, AR_PHY_SWITCH_COM, modal->antCtrlCommon); 236 237 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 238 if (AR_SREV_5416_20_OR_LATER(sc) && 239 (sc->sc_rxchainmask == 0x5 || sc->sc_txchainmask == 0x5)) 240 offset = chainoffset[i]; 241 else 242 offset = i * 0x1000; 243 244 AR_WRITE(sc, AR_PHY_SWITCH_CHAIN_0 + offset, 245 modal->antCtrlChain[i]); 246 247 reg = AR_READ(sc, AR_PHY_TIMING_CTRL4_0 + offset); 248 reg = RW(reg, AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF, 249 modal->iqCalICh[i]); 250 reg = RW(reg, AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF, 251 modal->iqCalQCh[i]); 252 AR_WRITE(sc, AR_PHY_TIMING_CTRL4_0 + offset, reg); 253 254 if (i > 0 && !AR_SREV_5416_20_OR_LATER(sc)) 255 continue; 256 257 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_3) { 258 reg = AR_READ(sc, AR_PHY_GAIN_2GHZ + offset); 259 reg = RW(reg, AR_PHY_GAIN_2GHZ_BSW_MARGIN, 260 modal->bswMargin[i]); 261 reg = RW(reg, AR_PHY_GAIN_2GHZ_BSW_ATTEN, 262 modal->bswAtten[i]); 263 AR_WRITE(sc, AR_PHY_GAIN_2GHZ + offset, reg); 264 } 265 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_3) 266 txRxAtten = modal->txRxAttenCh[i]; 267 else /* Workaround for ROM versions < 14.3. */ 268 txRxAtten = IEEE80211_IS_CHAN_2GHZ(c) ? 23 : 44; 269 reg = AR_READ(sc, AR_PHY_RXGAIN + offset); 270 reg = RW(reg, AR_PHY_RXGAIN_TXRX_ATTEN, txRxAtten); 271 AR_WRITE(sc, AR_PHY_RXGAIN + offset, reg); 272 273 reg = AR_READ(sc, AR_PHY_GAIN_2GHZ + offset); 274 reg = RW(reg, AR_PHY_GAIN_2GHZ_RXTX_MARGIN, 275 modal->rxTxMarginCh[i]); 276 AR_WRITE(sc, AR_PHY_GAIN_2GHZ + offset, reg); 277 } 278 reg = AR_READ(sc, AR_PHY_SETTLING); 279 reg = RW(reg, AR_PHY_SETTLING_SWITCH, modal->switchSettling); 280 AR_WRITE(sc, AR_PHY_SETTLING, reg); 281 282 reg = AR_READ(sc, AR_PHY_DESIRED_SZ); 283 reg = RW(reg, AR_PHY_DESIRED_SZ_ADC, modal->adcDesiredSize); 284 reg = RW(reg, AR_PHY_DESIRED_SZ_PGA, modal->pgaDesiredSize); 285 AR_WRITE(sc, AR_PHY_DESIRED_SZ, reg); 286 287 reg = SM(AR_PHY_RF_CTL4_TX_END_XPAA_OFF, modal->txEndToXpaOff); 288 reg |= SM(AR_PHY_RF_CTL4_TX_END_XPAB_OFF, modal->txEndToXpaOff); 289 reg |= SM(AR_PHY_RF_CTL4_FRAME_XPAA_ON, modal->txFrameToXpaOn); 290 reg |= SM(AR_PHY_RF_CTL4_FRAME_XPAB_ON, modal->txFrameToXpaOn); 291 AR_WRITE(sc, AR_PHY_RF_CTL4, reg); 292 293 reg = AR_READ(sc, AR_PHY_RF_CTL3); 294 reg = RW(reg, AR_PHY_TX_END_TO_A2_RX_ON, modal->txEndToRxOn); 295 AR_WRITE(sc, AR_PHY_RF_CTL3, reg); 296 297 reg = AR_READ(sc, AR_PHY_CCA(0)); 298 reg = RW(reg, AR_PHY_CCA_THRESH62, modal->thresh62); 299 AR_WRITE(sc, AR_PHY_CCA(0), reg); 300 301 reg = AR_READ(sc, AR_PHY_EXT_CCA(0)); 302 reg = RW(reg, AR_PHY_EXT_CCA_THRESH62, modal->thresh62); 303 AR_WRITE(sc, AR_PHY_EXT_CCA(0), reg); 304 305 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_2) { 306 reg = AR_READ(sc, AR_PHY_RF_CTL2); 307 reg = RW(reg, AR_PHY_TX_END_DATA_START, 308 modal->txFrameToDataStart); 309 reg = RW(reg, AR_PHY_TX_END_PA_ON, modal->txFrameToPaOn); 310 AR_WRITE(sc, AR_PHY_RF_CTL2, reg); 311 } 312 #ifndef IEEE80211_NO_HT 313 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_3 && extc != NULL) { 314 /* Overwrite switch settling with HT-40 value. */ 315 reg = AR_READ(sc, AR_PHY_SETTLING); 316 reg = RW(reg, AR_PHY_SETTLING_SWITCH, modal->swSettleHt40); 317 AR_WRITE(sc, AR_PHY_SETTLING, reg); 318 } 319 #endif 320 } 321 322 PUBLIC int 323 ar5416_init_calib(struct athn_softc *sc, struct ieee80211_channel *c, 324 struct ieee80211_channel *extc) 325 { 326 int ntries; 327 328 if (AR_SREV_9280_10_OR_LATER(sc)) { 329 /* XXX Linux tests AR9287?! */ 330 AR_CLRBITS(sc, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC); 331 AR_SETBITS(sc, AR_PHY_AGC_CONTROL, 332 AR_PHY_AGC_CONTROL_FLTR_CAL); 333 } 334 /* Calibrate the AGC. */ 335 AR_SETBITS(sc, AR_PHY_AGC_CONTROL, AR_PHY_AGC_CONTROL_CAL); 336 /* Poll for offset calibration completion. */ 337 for (ntries = 0; ntries < 10000; ntries++) { 338 if (!(AR_READ(sc, AR_PHY_AGC_CONTROL) & 339 AR_PHY_AGC_CONTROL_CAL)) 340 break; 341 DELAY(10); 342 } 343 if (ntries == 10000) 344 return ETIMEDOUT; 345 if (AR_SREV_9280_10_OR_LATER(sc)) { 346 AR_SETBITS(sc, AR_PHY_ADC_CTL, AR_PHY_ADC_CTL_OFF_PWDADC); 347 AR_CLRBITS(sc, AR_PHY_AGC_CONTROL, 348 AR_PHY_AGC_CONTROL_FLTR_CAL); 349 } 350 return 0; 351 } 352 353 Static void 354 ar5416_get_pdadcs(struct athn_softc *sc, struct ieee80211_channel *c, 355 int chain, int nxpdgains, uint8_t overlap, uint8_t *boundaries, 356 uint8_t *pdadcs) 357 { 358 const struct ar5416_eeprom *eep = sc->sc_eep; 359 const struct ar5416_cal_data_per_freq *pierdata; 360 const uint8_t *pierfreq; 361 struct athn_pier lopier, hipier; 362 int16_t delta; 363 uint8_t fbin, pwroff; 364 int i, lo, hi, npiers; 365 366 if (IEEE80211_IS_CHAN_2GHZ(c)) { 367 pierfreq = eep->calFreqPier2G; 368 pierdata = eep->calPierData2G[chain]; 369 npiers = AR5416_NUM_2G_CAL_PIERS; 370 } 371 else { 372 pierfreq = eep->calFreqPier5G; 373 pierdata = eep->calPierData5G[chain]; 374 npiers = AR5416_NUM_5G_CAL_PIERS; 375 } 376 /* Find channel in ROM pier table. */ 377 fbin = athn_chan2fbin(c); 378 athn_get_pier_ival(fbin, pierfreq, npiers, &lo, &hi); 379 380 lopier.fbin = pierfreq[lo]; 381 hipier.fbin = pierfreq[hi]; 382 for (i = 0; i < nxpdgains; i++) { 383 lopier.pwr[i] = pierdata[lo].pwrPdg[i]; 384 lopier.vpd[i] = pierdata[lo].vpdPdg[i]; 385 hipier.pwr[i] = pierdata[lo].pwrPdg[i]; 386 hipier.vpd[i] = pierdata[lo].vpdPdg[i]; 387 } 388 ar5008_get_pdadcs(sc, fbin, &lopier, &hipier, nxpdgains, 389 AR5416_PD_GAIN_ICEPTS, overlap, boundaries, pdadcs); 390 391 if (!AR_SREV_9280_20_OR_LATER(sc)) 392 return; 393 394 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_21) 395 pwroff = eep->baseEepHeader.pwrTableOffset; 396 else 397 pwroff = AR_PWR_TABLE_OFFSET_DB; 398 delta = (pwroff - AR_PWR_TABLE_OFFSET_DB) * 2; /* In half dB. */ 399 400 /* Change the original gain boundaries setting. */ 401 for (i = 0; i < nxpdgains; i++) { 402 /* XXX Possible overflows? */ 403 boundaries[i] -= delta; 404 if (boundaries[i] > AR_MAX_RATE_POWER - overlap) 405 boundaries[i] = AR_MAX_RATE_POWER - overlap; 406 } 407 if (delta != 0) { 408 /* Shift the PDADC table to start at the new offset. */ 409 for (i = 0; i < AR_NUM_PDADC_VALUES; i++) 410 pdadcs[i] = pdadcs[MIN(i + delta, 411 AR_NUM_PDADC_VALUES - 1)]; 412 } 413 } 414 415 Static void 416 ar5416_set_power_calib(struct athn_softc *sc, struct ieee80211_channel *c) 417 { 418 static const uint32_t chainoffset[] = { 0x0000, 0x2000, 0x1000 }; 419 const struct ar5416_eeprom *eep = sc->sc_eep; 420 const struct ar5416_modal_eep_header *modal; 421 uint8_t boundaries[AR_PD_GAINS_IN_MASK]; 422 uint8_t pdadcs[AR_NUM_PDADC_VALUES]; 423 uint8_t xpdgains[AR5416_NUM_PD_GAINS]; 424 uint8_t overlap, txgain; 425 uint32_t reg, offset; 426 int i, j, nxpdgains; 427 428 modal = &eep->modalHeader[IEEE80211_IS_CHAN_2GHZ(c)]; 429 430 if (sc->sc_eep_rev < AR_EEP_MINOR_VER_2) { 431 overlap = MS(AR_READ(sc, AR_PHY_TPCRG5), 432 AR_PHY_TPCRG5_PD_GAIN_OVERLAP); 433 } 434 else 435 overlap = modal->pdGainOverlap; 436 437 if ((sc->sc_flags & ATHN_FLAG_OLPC) && IEEE80211_IS_CHAN_2GHZ(c)) { 438 /* XXX not here. */ 439 sc->sc_pdadc = 440 ((const struct ar_cal_data_per_freq_olpc *) 441 eep->calPierData2G[0])->vpdPdg[0][0]; 442 } 443 444 nxpdgains = 0; 445 memset(xpdgains, 0, sizeof(xpdgains)); 446 for (i = AR5416_PD_GAINS_IN_MASK - 1; i >= 0; i--) { 447 if (nxpdgains >= AR5416_NUM_PD_GAINS) 448 break; /* Can't happen. */ 449 if (modal->xpdGain & (1 << i)) 450 xpdgains[nxpdgains++] = i; 451 } 452 reg = AR_READ(sc, AR_PHY_TPCRG1); 453 reg = RW(reg, AR_PHY_TPCRG1_NUM_PD_GAIN, nxpdgains - 1); 454 reg = RW(reg, AR_PHY_TPCRG1_PD_GAIN_1, xpdgains[0]); 455 reg = RW(reg, AR_PHY_TPCRG1_PD_GAIN_2, xpdgains[1]); 456 reg = RW(reg, AR_PHY_TPCRG1_PD_GAIN_3, xpdgains[2]); 457 AR_WRITE(sc, AR_PHY_TPCRG1, reg); 458 459 for (i = 0; i < AR5416_MAX_CHAINS; i++) { 460 if (!(sc->sc_txchainmask & (1 << i))) 461 continue; 462 463 if (AR_SREV_5416_20_OR_LATER(sc) && 464 (sc->sc_rxchainmask == 0x5 || sc->sc_txchainmask == 0x5)) 465 offset = chainoffset[i]; 466 else 467 offset = i * 0x1000; 468 469 if (sc->sc_flags & ATHN_FLAG_OLPC) { 470 ar9280_olpc_get_pdadcs(sc, c, i, boundaries, 471 pdadcs, &txgain); 472 473 reg = AR_READ(sc, AR_PHY_TX_PWRCTRL6_0); 474 reg = RW(reg, AR_PHY_TX_PWRCTRL_ERR_EST_MODE, 3); 475 AR_WRITE(sc, AR_PHY_TX_PWRCTRL6_0, reg); 476 477 reg = AR_READ(sc, AR_PHY_TX_PWRCTRL6_1); 478 reg = RW(reg, AR_PHY_TX_PWRCTRL_ERR_EST_MODE, 3); 479 AR_WRITE(sc, AR_PHY_TX_PWRCTRL6_1, reg); 480 481 reg = AR_READ(sc, AR_PHY_TX_PWRCTRL7); 482 reg = RW(reg, AR_PHY_TX_PWRCTRL_INIT_TX_GAIN, txgain); 483 AR_WRITE(sc, AR_PHY_TX_PWRCTRL7, reg); 484 485 overlap = 6; 486 } 487 else { 488 ar5416_get_pdadcs(sc, c, i, nxpdgains, overlap, 489 boundaries, pdadcs); 490 } 491 /* Write boundaries. */ 492 if (i == 0 || AR_SREV_5416_20_OR_LATER(sc)) { 493 reg = SM(AR_PHY_TPCRG5_PD_GAIN_OVERLAP, 494 overlap); 495 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_1, 496 boundaries[0]); 497 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_2, 498 boundaries[1]); 499 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_3, 500 boundaries[2]); 501 reg |= SM(AR_PHY_TPCRG5_PD_GAIN_BOUNDARY_4, 502 boundaries[3]); 503 AR_WRITE(sc, AR_PHY_TPCRG5 + offset, reg); 504 } 505 /* Write PDADC values. */ 506 for (j = 0; j < AR_NUM_PDADC_VALUES; j += 4) { 507 AR_WRITE(sc, AR_PHY_PDADC_TBL_BASE + offset + j, 508 pdadcs[j + 0] << 0 | 509 pdadcs[j + 1] << 8 | 510 pdadcs[j + 2] << 16 | 511 pdadcs[j + 3] << 24); 512 } 513 } 514 } 515 516 PUBLIC void 517 ar5416_set_txpower(struct athn_softc *sc, struct ieee80211_channel *c, 518 struct ieee80211_channel *extc) 519 { 520 const struct ar5416_eeprom *eep = sc->sc_eep; 521 const struct ar5416_modal_eep_header *modal; 522 uint8_t tpow_cck[4], tpow_ofdm[4]; 523 #ifndef IEEE80211_NO_HT 524 uint8_t tpow_cck_ext[4], tpow_ofdm_ext[4]; 525 uint8_t tpow_ht20[8], tpow_ht40[8]; 526 uint8_t ht40inc; 527 #endif 528 int16_t pwr = 0, pwroff, max_ant_gain, power[ATHN_POWER_COUNT]; 529 uint8_t cckinc; 530 int i; 531 532 ar5416_set_power_calib(sc, c); 533 534 modal = &eep->modalHeader[IEEE80211_IS_CHAN_2GHZ(c)]; 535 536 /* Compute transmit power reduction due to antenna gain. */ 537 max_ant_gain = MAX(modal->antennaGainCh[0], modal->antennaGainCh[1]); 538 max_ant_gain = MAX(modal->antennaGainCh[2], max_ant_gain); 539 /* XXX */ 540 541 /* 542 * Reduce scaled power by number of active chains to get per-chain 543 * transmit power level. 544 */ 545 if (sc->sc_ntxchains == 2) 546 pwr -= AR_PWR_DECREASE_FOR_2_CHAIN; 547 else if (sc->sc_ntxchains == 3) 548 pwr -= AR_PWR_DECREASE_FOR_3_CHAIN; 549 if (pwr < 0) 550 pwr = 0; 551 552 if (IEEE80211_IS_CHAN_2GHZ(c)) { 553 /* Get CCK target powers. */ 554 ar5008_get_lg_tpow(sc, c, AR_CTL_11B, eep->calTargetPowerCck, 555 AR5416_NUM_2G_CCK_TARGET_POWERS, tpow_cck); 556 557 /* Get OFDM target powers. */ 558 ar5008_get_lg_tpow(sc, c, AR_CTL_11G, eep->calTargetPower2G, 559 AR5416_NUM_2G_20_TARGET_POWERS, tpow_ofdm); 560 561 #ifndef IEEE80211_NO_HT 562 /* Get HT-20 target powers. */ 563 ar5008_get_ht_tpow(sc, c, AR_CTL_2GHT20, 564 eep->calTargetPower2GHT20, AR5416_NUM_2G_20_TARGET_POWERS, 565 tpow_ht20); 566 567 if (extc != NULL) { 568 /* Get HT-40 target powers. */ 569 ar5008_get_ht_tpow(sc, c, AR_CTL_2GHT40, 570 eep->calTargetPower2GHT40, 571 AR5416_NUM_2G_40_TARGET_POWERS, tpow_ht40); 572 573 /* Get secondary channel CCK target powers. */ 574 ar5008_get_lg_tpow(sc, extc, AR_CTL_11B, 575 eep->calTargetPowerCck, 576 AR5416_NUM_2G_CCK_TARGET_POWERS, tpow_cck_ext); 577 578 /* Get secondary channel OFDM target powers. */ 579 ar5008_get_lg_tpow(sc, extc, AR_CTL_11G, 580 eep->calTargetPower2G, 581 AR5416_NUM_2G_20_TARGET_POWERS, tpow_ofdm_ext); 582 } 583 #endif 584 } 585 else { 586 /* Get OFDM target powers. */ 587 ar5008_get_lg_tpow(sc, c, AR_CTL_11A, eep->calTargetPower5G, 588 AR5416_NUM_5G_20_TARGET_POWERS, tpow_ofdm); 589 590 #ifndef IEEE80211_NO_HT 591 /* Get HT-20 target powers. */ 592 ar5008_get_ht_tpow(sc, c, AR_CTL_5GHT20, 593 eep->calTargetPower5GHT20, AR5416_NUM_5G_20_TARGET_POWERS, 594 tpow_ht20); 595 596 if (extc != NULL) { 597 /* Get HT-40 target powers. */ 598 ar5008_get_ht_tpow(sc, c, AR_CTL_5GHT40, 599 eep->calTargetPower5GHT40, 600 AR5416_NUM_5G_40_TARGET_POWERS, tpow_ht40); 601 602 /* Get secondary channel OFDM target powers. */ 603 ar5008_get_lg_tpow(sc, extc, AR_CTL_11A, 604 eep->calTargetPower5G, 605 AR5416_NUM_5G_20_TARGET_POWERS, tpow_ofdm_ext); 606 } 607 #endif 608 } 609 610 /* Compute CCK/OFDM delta. */ 611 cckinc = (sc->sc_flags & ATHN_FLAG_OLPC) ? -2 : 0; 612 613 memset(power, 0, sizeof(power)); 614 /* Shuffle target powers accross transmit rates. */ 615 power[ATHN_POWER_OFDM6 ] = 616 power[ATHN_POWER_OFDM9 ] = 617 power[ATHN_POWER_OFDM12] = 618 power[ATHN_POWER_OFDM18] = 619 power[ATHN_POWER_OFDM24] = tpow_ofdm[0]; 620 power[ATHN_POWER_OFDM36] = tpow_ofdm[1]; 621 power[ATHN_POWER_OFDM48] = tpow_ofdm[2]; 622 power[ATHN_POWER_OFDM54] = tpow_ofdm[3]; 623 power[ATHN_POWER_XR ] = tpow_ofdm[0]; 624 if (IEEE80211_IS_CHAN_2GHZ(c)) { 625 power[ATHN_POWER_CCK1_LP ] = tpow_cck[0] + cckinc; 626 power[ATHN_POWER_CCK2_LP ] = 627 power[ATHN_POWER_CCK2_SP ] = tpow_cck[1] + cckinc; 628 power[ATHN_POWER_CCK55_LP] = 629 power[ATHN_POWER_CCK55_SP] = tpow_cck[2] + cckinc; 630 power[ATHN_POWER_CCK11_LP] = 631 power[ATHN_POWER_CCK11_SP] = tpow_cck[3] + cckinc; 632 } 633 #ifndef IEEE80211_NO_HT 634 for (i = 0; i < nitems(tpow_ht20); i++) 635 power[ATHN_POWER_HT20(i)] = tpow_ht20[i]; 636 if (extc != NULL) { 637 /* Correct PAR difference between HT40 and HT20/Legacy. */ 638 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_2) 639 ht40inc = modal->ht40PowerIncForPdadc; 640 else 641 ht40inc = AR_HT40_POWER_INC_FOR_PDADC; 642 for (i = 0; i < nitems(tpow_ht40); i++) 643 power[ATHN_POWER_HT40(i)] = tpow_ht40[i] + ht40inc; 644 power[ATHN_POWER_OFDM_DUP] = tpow_ht40[0]; 645 power[ATHN_POWER_CCK_DUP ] = tpow_ht40[0] + cckinc; 646 power[ATHN_POWER_OFDM_EXT] = tpow_ofdm_ext[0]; 647 if (IEEE80211_IS_CHAN_2GHZ(c)) 648 power[ATHN_POWER_CCK_EXT] = tpow_cck_ext[0] + cckinc; 649 } 650 #endif 651 652 if (AR_SREV_9280_10_OR_LATER(sc)) { 653 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_21) 654 pwroff = eep->baseEepHeader.pwrTableOffset; 655 else 656 pwroff = AR_PWR_TABLE_OFFSET_DB; 657 for (i = 0; i < ATHN_POWER_COUNT; i++) 658 power[i] -= pwroff * 2; /* In half dB. */ 659 } 660 for (i = 0; i < ATHN_POWER_COUNT; i++) { 661 if (power[i] > AR_MAX_RATE_POWER) 662 power[i] = AR_MAX_RATE_POWER; 663 } 664 665 /* Write transmit power values to hardware. */ 666 ar5008_write_txpower(sc, power); 667 668 /* 669 * Write transmit power substraction for dynamic chain changing 670 * and per-packet transmit power. 671 */ 672 AR_WRITE(sc, AR_PHY_POWER_TX_SUB, 673 (modal->pwrDecreaseFor3Chain & 0x3f) << 6 | 674 (modal->pwrDecreaseFor2Chain & 0x3f)); 675 } 676 677 Static void 678 ar5416_spur_mitigate(struct athn_softc *sc, struct ieee80211_channel *c, 679 struct ieee80211_channel *extc) 680 { 681 const struct ar_spur_chan *spurchans; 682 int i, spur, bin, spur_delta_phase, spur_freq_sd; 683 684 spurchans = sc->sc_ops.get_spur_chans(sc, IEEE80211_IS_CHAN_2GHZ(c)); 685 for (i = 0; i < AR_EEPROM_MODAL_SPURS; i++) { 686 spur = spurchans[i].spurChan; 687 if (spur == AR_NO_SPUR) 688 return; /* XXX disable if it was enabled! */ 689 spur -= c->ic_freq * 10; 690 /* Verify range +/-9.5MHz */ 691 if (abs(spur) < 95) 692 break; 693 } 694 if (i == AR_EEPROM_MODAL_SPURS) 695 return; /* XXX disable if it was enabled! */ 696 DPRINTFN(DBG_RF, sc, "enabling spur mitigation\n"); 697 698 AR_SETBITS(sc, AR_PHY_TIMING_CTRL4_0, 699 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_RSSI | 700 AR_PHY_TIMING_CTRL4_ENABLE_SPUR_FILTER | 701 AR_PHY_TIMING_CTRL4_ENABLE_CHAN_MASK | 702 AR_PHY_TIMING_CTRL4_ENABLE_PILOT_MASK); 703 704 AR_WRITE(sc, AR_PHY_SPUR_REG, 705 AR_PHY_SPUR_REG_MASK_RATE_CNTL | 706 AR_PHY_SPUR_REG_ENABLE_MASK_PPM | 707 AR_PHY_SPUR_REG_MASK_RATE_SELECT | 708 AR_PHY_SPUR_REG_ENABLE_VIT_SPUR_RSSI | 709 SM(AR_PHY_SPUR_REG_SPUR_RSSI_THRESH, AR_SPUR_RSSI_THRESH)); 710 711 spur_delta_phase = (spur * 524288) / 100; 712 if (IEEE80211_IS_CHAN_2GHZ(c)) 713 spur_freq_sd = (spur * 2048) / 440; 714 else 715 spur_freq_sd = (spur * 2048) / 400; 716 717 AR_WRITE(sc, AR_PHY_TIMING11, 718 AR_PHY_TIMING11_USE_SPUR_IN_AGC | 719 SM(AR_PHY_TIMING11_SPUR_FREQ_SD, spur_freq_sd) | 720 SM(AR_PHY_TIMING11_SPUR_DELTA_PHASE, spur_delta_phase)); 721 722 bin = spur * 32; 723 ar5008_set_viterbi_mask(sc, bin); 724 } 725 726 Static uint8_t 727 ar5416_reverse_bits(uint8_t v, int nbits) 728 { 729 KASSERT(nbits <= 8); 730 v = ((v >> 1) & 0x55) | ((v & 0x55) << 1); 731 v = ((v >> 2) & 0x33) | ((v & 0x33) << 2); 732 v = ((v >> 4) & 0x0f) | ((v & 0x0f) << 4); 733 return v >> (8 - nbits); 734 } 735 736 PUBLIC uint8_t 737 ar5416_get_rf_rev(struct athn_softc *sc) 738 { 739 uint8_t rev, reg; 740 int i; 741 742 /* Allow access to analog chips. */ 743 AR_WRITE(sc, AR_PHY(0), 0x00000007); 744 745 AR_WRITE(sc, AR_PHY(0x36), 0x00007058); 746 for (i = 0; i < 8; i++) 747 AR_WRITE(sc, AR_PHY(0x20), 0x00010000); 748 reg = (AR_READ(sc, AR_PHY(256)) >> 24) & 0xff; 749 reg = (reg & 0xf0) >> 4 | (reg & 0x0f) << 4; 750 751 rev = ar5416_reverse_bits(reg, 8); 752 if ((rev & AR_RADIO_SREV_MAJOR) == 0) 753 rev = AR_RAD5133_SREV_MAJOR; 754 return rev; 755 } 756 757 /* 758 * Replace bits "off" to "off+nbits-1" in column "col" with the specified 759 * value. 760 */ 761 Static void 762 ar5416_rw_rfbits(uint32_t *buf, int col, int off, uint32_t val, int nbits) 763 { 764 int idx, bit; 765 766 KASSERT(off >= 1 && col < 4 && nbits <= 32); 767 768 off--; /* Starts at 1. */ 769 while (nbits-- > 0) { 770 idx = off / 8; 771 bit = off % 8; 772 buf[idx] &= ~(1 << (bit + col * 8)); 773 buf[idx] |= ((val >> nbits) & 1) << (bit + col * 8); 774 off++; 775 } 776 } 777 778 /* 779 * Overwrite db and ob based on ROM settings. 780 */ 781 Static void 782 ar5416_rw_bank6tpc(struct athn_softc *sc, struct ieee80211_channel *c, 783 uint32_t *rwbank6tpc) 784 { 785 const struct ar5416_eeprom *eep = sc->sc_eep; 786 const struct ar5416_modal_eep_header *modal; 787 788 if (IEEE80211_IS_CHAN_5GHZ(c)) { 789 modal = &eep->modalHeader[0]; 790 /* 5GHz db in column 0, bits [200-202]. */ 791 ar5416_rw_rfbits(rwbank6tpc, 0, 200, modal->db, 3); 792 /* 5GHz ob in column 0, bits [203-205]. */ 793 ar5416_rw_rfbits(rwbank6tpc, 0, 203, modal->ob, 3); 794 } 795 else { 796 modal = &eep->modalHeader[1]; 797 /* 2GHz db in column 0, bits [194-196]. */ 798 ar5416_rw_rfbits(rwbank6tpc, 0, 194, modal->db, 3); 799 /* 2GHz ob in column 0, bits [197-199]. */ 800 ar5416_rw_rfbits(rwbank6tpc, 0, 197, modal->ob, 3); 801 } 802 } 803 804 /* 805 * Program analog RF. 806 */ 807 PUBLIC void 808 ar5416_rf_reset(struct athn_softc *sc, struct ieee80211_channel *c) 809 { 810 const uint32_t *bank6tpc; 811 int i; 812 813 /* Bank 0. */ 814 AR_WRITE(sc, 0x98b0, 0x1e5795e5); 815 AR_WRITE(sc, 0x98e0, 0x02008020); 816 817 /* Bank 1. */ 818 AR_WRITE(sc, 0x98b0, 0x02108421); 819 AR_WRITE(sc, 0x98ec, 0x00000008); 820 821 /* Bank 2. */ 822 AR_WRITE(sc, 0x98b0, 0x0e73ff17); 823 AR_WRITE(sc, 0x98e0, 0x00000420); 824 825 /* Bank 3. */ 826 if (IEEE80211_IS_CHAN_5GHZ(c)) 827 AR_WRITE(sc, 0x98f0, 0x01400018); 828 else 829 AR_WRITE(sc, 0x98f0, 0x01c00018); 830 831 /* Select the Bank 6 TPC values to use. */ 832 if (AR_SREV_9160_10_OR_LATER(sc)) 833 bank6tpc = ar9160_bank6tpc_vals; 834 else 835 bank6tpc = ar5416_bank6tpc_vals; 836 if (sc->sc_eep_rev >= AR_EEP_MINOR_VER_2) { 837 uint32_t *rwbank6tpc = sc->sc_rwbuf; 838 839 /* Copy values from .rodata to writable buffer. */ 840 memcpy(rwbank6tpc, bank6tpc, 32 * sizeof(uint32_t)); 841 ar5416_rw_bank6tpc(sc, c, rwbank6tpc); 842 bank6tpc = rwbank6tpc; 843 } 844 /* Bank 6 TPC. */ 845 for (i = 0; i < 32; i++) 846 AR_WRITE(sc, 0x989c, bank6tpc[i]); 847 if (IEEE80211_IS_CHAN_5GHZ(c)) 848 AR_WRITE(sc, 0x98d0, 0x0000000f); 849 else 850 AR_WRITE(sc, 0x98d0, 0x0010000f); 851 852 /* Bank 7. */ 853 AR_WRITE(sc, 0x989c, 0x00000500); 854 AR_WRITE(sc, 0x989c, 0x00000800); 855 AR_WRITE(sc, 0x98cc, 0x0000000e); 856 } 857 858 PUBLIC void 859 ar5416_reset_bb_gain(struct athn_softc *sc, struct ieee80211_channel *c) 860 { 861 const uint32_t *pvals; 862 int i; 863 864 if (IEEE80211_IS_CHAN_2GHZ(c)) 865 pvals = ar5416_bb_rfgain_vals_2g; 866 else 867 pvals = ar5416_bb_rfgain_vals_5g; 868 for (i = 0; i < 64; i++) 869 AR_WRITE(sc, AR_PHY_BB_RFGAIN(i), pvals[i]); 870 } 871 872 /* 873 * Fix orientation sensitivity issue on AR5416/2GHz by increasing 874 * rf_pwd_icsyndiv. 875 */ 876 Static void 877 ar5416_force_bias(struct athn_softc *sc, struct ieee80211_channel *c) 878 { 879 uint32_t *rwbank6 = sc->sc_rwbuf; 880 uint8_t bias; 881 int i; 882 883 KASSERT(IEEE80211_IS_CHAN_2GHZ(c)); 884 885 /* Copy values from .rodata to writable buffer. */ 886 memcpy(rwbank6, ar5416_bank6_vals, sizeof(ar5416_bank6_vals)); 887 888 if (c->ic_freq < 2412) 889 bias = 0; 890 else if (c->ic_freq < 2422) 891 bias = 1; 892 else 893 bias = 2; 894 ar5416_reverse_bits(bias, 3); 895 896 /* Overwrite "rf_pwd_icsyndiv" (column 3, bits [181-183].) */ 897 ar5416_rw_rfbits(rwbank6, 3, 181, bias, 3); 898 899 /* Write Bank 6. */ 900 for (i = 0; i < 32; i++) 901 AR_WRITE(sc, 0x989c, rwbank6[i]); 902 AR_WRITE(sc, 0x98d0, 0x0010000f); 903 } 904 905 /* 906 * Overwrite XPA bias level based on ROM setting. 907 */ 908 Static void 909 ar9160_rw_addac(struct athn_softc *sc, struct ieee80211_channel *c, 910 uint32_t *addac) 911 { 912 struct ar5416_eeprom *eep = sc->sc_eep; 913 struct ar5416_modal_eep_header *modal; 914 uint8_t fbin, bias; 915 int i; 916 917 /* XXX xpaBiasLvlFreq values have not been endian-swapped? */ 918 919 /* Get the XPA bias level to use for the specified channel. */ 920 modal = &eep->modalHeader[IEEE80211_IS_CHAN_2GHZ(c)]; 921 if (modal->xpaBiasLvl == 0xff) { 922 bias = modal->xpaBiasLvlFreq[0] >> 14; 923 fbin = athn_chan2fbin(c); 924 for (i = 1; i < 3; i++) { 925 if (modal->xpaBiasLvlFreq[i] == 0) 926 break; 927 if ((modal->xpaBiasLvlFreq[i] & 0xff) < fbin) 928 break; 929 bias = modal->xpaBiasLvlFreq[i] >> 14; 930 } 931 } 932 else 933 bias = modal->xpaBiasLvl & 0x3; 934 935 bias = ar5416_reverse_bits(bias, 2); /* Put in host bit-order. */ 936 DPRINTFN(DBG_RF, sc, "bias level=%d\n", bias); 937 if (IEEE80211_IS_CHAN_2GHZ(c)) 938 ar5416_rw_rfbits(addac, 0, 60, bias, 2); 939 else 940 ar5416_rw_rfbits(addac, 0, 55, bias, 2); 941 } 942 943 PUBLIC void 944 ar5416_reset_addac(struct athn_softc *sc, struct ieee80211_channel *c) 945 { 946 const struct athn_addac *addac = sc->sc_addac; 947 const uint32_t *pvals; 948 int i; 949 950 if (AR_SREV_9160(sc) && sc->sc_eep_rev >= AR_EEP_MINOR_VER_7) { 951 uint32_t *rwaddac = sc->sc_rwbuf; 952 953 /* Copy values from .rodata to writable buffer. */ 954 memcpy(rwaddac, addac->vals, addac->nvals * sizeof(uint32_t)); 955 ar9160_rw_addac(sc, c, rwaddac); 956 pvals = rwaddac; 957 } 958 else 959 pvals = addac->vals; 960 for (i = 0; i < addac->nvals; i++) 961 AR_WRITE(sc, 0x989c, pvals[i]); 962 AR_WRITE(sc, 0x98cc, 0); /* Finalize. */ 963 } 964
Indexes created Sun Sep 21 18:09:52 GMT 2025