1 // SPDX-License-Identifier: ISC 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #include "mt7915.h" 5 #include "mac.h" 6 #include "mcu.h" 7 #include "testmode.h" 8 9 enum { 10 TM_CHANGED_TXPOWER, 11 TM_CHANGED_FREQ_OFFSET, 12 13 /* must be last */ 14 NUM_TM_CHANGED 15 }; 16 17 static const u8 tm_change_map[] = { 18 [TM_CHANGED_TXPOWER] = MT76_TM_ATTR_TX_POWER, 19 [TM_CHANGED_FREQ_OFFSET] = MT76_TM_ATTR_FREQ_OFFSET, 20 }; 21 22 struct reg_band { 23 u32 band[2]; 24 }; 25 26 #define REG_BAND(_reg) \ 27 { .band[0] = MT_##_reg(0), .band[1] = MT_##_reg(1) } 28 #define REG_BAND_IDX(_reg, _idx) \ 29 { .band[0] = MT_##_reg(0, _idx), .band[1] = MT_##_reg(1, _idx) } 30 31 static const struct reg_band reg_backup_list[] = { 32 REG_BAND_IDX(AGG_PCR0, 0), 33 REG_BAND_IDX(AGG_PCR0, 1), 34 REG_BAND_IDX(AGG_AWSCR0, 0), 35 REG_BAND_IDX(AGG_AWSCR0, 1), 36 REG_BAND_IDX(AGG_AWSCR0, 2), 37 REG_BAND_IDX(AGG_AWSCR0, 3), 38 REG_BAND(AGG_MRCR), 39 REG_BAND(TMAC_TFCR0), 40 REG_BAND(TMAC_TCR0), 41 REG_BAND(AGG_ATCR1), 42 REG_BAND(AGG_ATCR3), 43 REG_BAND(TMAC_TRCR0), 44 REG_BAND(TMAC_ICR0), 45 REG_BAND_IDX(ARB_DRNGR0, 0), 46 REG_BAND_IDX(ARB_DRNGR0, 1), 47 REG_BAND(WF_RFCR), 48 REG_BAND(WF_RFCR1), 49 }; 50 51 static int 52 mt7915_tm_set_tx_power(struct mt7915_phy *phy) 53 { 54 struct mt7915_dev *dev = phy->dev; 55 struct mt76_phy *mphy = phy->mt76; 56 struct cfg80211_chan_def *chandef = &mphy->chandef; 57 int freq = chandef->center_freq1; 58 int ret; 59 struct { 60 u8 format_id; 61 u8 dbdc_idx; 62 s8 tx_power; 63 u8 ant_idx; /* Only 0 is valid */ 64 u8 center_chan; 65 u8 rsv[3]; 66 } __packed req = { 67 .format_id = 0xf, 68 .dbdc_idx = phy != &dev->phy, 69 .center_chan = ieee80211_frequency_to_channel(freq), 70 }; 71 u8 *tx_power = NULL; 72 73 if (phy->mt76->test.state != MT76_TM_STATE_OFF) 74 tx_power = phy->mt76->test.tx_power; 75 76 /* Tx power of the other antennas are the same as antenna 0 */ 77 if (tx_power && tx_power[0]) 78 req.tx_power = tx_power[0]; 79 80 ret = mt76_mcu_send_msg(&dev->mt76, 81 MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), 82 &req, sizeof(req), false); 83 84 return ret; 85 } 86 87 static int 88 mt7915_tm_set_freq_offset(struct mt7915_phy *phy, bool en, u32 val) 89 { 90 struct mt7915_dev *dev = phy->dev; 91 struct mt7915_tm_cmd req = { 92 .testmode_en = en, 93 .param_idx = MCU_ATE_SET_FREQ_OFFSET, 94 .param.freq.band = phy != &dev->phy, 95 .param.freq.freq_offset = cpu_to_le32(val), 96 }; 97 98 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req, 99 sizeof(req), false); 100 } 101 102 static int 103 mt7915_tm_mode_ctrl(struct mt7915_dev *dev, bool enable) 104 { 105 struct { 106 u8 format_id; 107 bool enable; 108 u8 rsv[2]; 109 } __packed req = { 110 .format_id = 0x6, 111 .enable = enable, 112 }; 113 114 return mt76_mcu_send_msg(&dev->mt76, 115 MCU_EXT_CMD(TX_POWER_FEATURE_CTRL), 116 &req, sizeof(req), false); 117 } 118 119 static int 120 mt7915_tm_set_trx(struct mt7915_phy *phy, int type, bool en) 121 { 122 struct mt7915_dev *dev = phy->dev; 123 struct mt7915_tm_cmd req = { 124 .testmode_en = 1, 125 .param_idx = MCU_ATE_SET_TRX, 126 .param.trx.type = type, 127 .param.trx.enable = en, 128 .param.trx.band = phy != &dev->phy, 129 }; 130 131 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req, 132 sizeof(req), false); 133 } 134 135 static int 136 mt7915_tm_clean_hwq(struct mt7915_phy *phy, u8 wcid) 137 { 138 struct mt7915_dev *dev = phy->dev; 139 struct mt7915_tm_cmd req = { 140 .testmode_en = 1, 141 .param_idx = MCU_ATE_CLEAN_TXQUEUE, 142 .param.clean.wcid = wcid, 143 .param.clean.band = phy != &dev->phy, 144 }; 145 146 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req, 147 sizeof(req), false); 148 } 149 150 static int 151 mt7915_tm_set_slot_time(struct mt7915_phy *phy, u8 slot_time, u8 sifs) 152 { 153 struct mt7915_dev *dev = phy->dev; 154 struct mt7915_tm_cmd req = { 155 .testmode_en = !(phy->mt76->test.state == MT76_TM_STATE_OFF), 156 .param_idx = MCU_ATE_SET_SLOT_TIME, 157 .param.slot.slot_time = slot_time, 158 .param.slot.sifs = sifs, 159 .param.slot.rifs = 2, 160 .param.slot.eifs = cpu_to_le16(60), 161 .param.slot.band = phy != &dev->phy, 162 }; 163 164 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(ATE_CTRL), &req, 165 sizeof(req), false); 166 } 167 168 static int 169 mt7915_tm_set_wmm_qid(struct mt7915_dev *dev, u8 qid, u8 aifs, u8 cw_min, 170 u16 cw_max, u16 txop) 171 { 172 struct mt7915_mcu_tx req = { .total = 1 }; 173 struct edca *e = &req.edca[0]; 174 175 e->queue = qid; 176 e->set = WMM_PARAM_SET; 177 178 e->aifs = aifs; 179 e->cw_min = cw_min; 180 e->cw_max = cpu_to_le16(cw_max); 181 e->txop = cpu_to_le16(txop); 182 183 return mt7915_mcu_update_edca(dev, &req); 184 } 185 186 static int 187 mt7915_tm_set_ipg_params(struct mt7915_phy *phy, u32 ipg, u8 mode) 188 { 189 #define TM_DEFAULT_SIFS 10 190 #define TM_MAX_SIFS 127 191 #define TM_MAX_AIFSN 0xf 192 #define TM_MIN_AIFSN 0x1 193 #define BBP_PROC_TIME 1500 194 struct mt7915_dev *dev = phy->dev; 195 u8 sig_ext = (mode == MT76_TM_TX_MODE_CCK) ? 0 : 6; 196 u8 slot_time = 9, sifs = TM_DEFAULT_SIFS; 197 u8 aifsn = TM_MIN_AIFSN; 198 u32 i2t_time, tr2t_time, txv_time; 199 bool ext_phy = phy != &dev->phy; 200 u16 cw = 0; 201 202 if (ipg < sig_ext + slot_time + sifs) 203 ipg = 0; 204 205 if (!ipg) 206 goto done; 207 208 ipg -= sig_ext; 209 210 if (ipg <= (TM_MAX_SIFS + slot_time)) { 211 sifs = ipg - slot_time; 212 } else { 213 u32 val = (ipg + slot_time) / slot_time; 214 215 while (val >>= 1) 216 cw++; 217 218 if (cw > 16) 219 cw = 16; 220 221 ipg -= ((1 << cw) - 1) * slot_time; 222 223 aifsn = ipg / slot_time; 224 if (aifsn > TM_MAX_AIFSN) 225 aifsn = TM_MAX_AIFSN; 226 227 ipg -= aifsn * slot_time; 228 229 if (ipg > TM_DEFAULT_SIFS) { 230 if (ipg < TM_MAX_SIFS) 231 sifs = ipg; 232 else 233 sifs = TM_MAX_SIFS; 234 } 235 } 236 done: 237 txv_time = mt76_get_field(dev, MT_TMAC_ATCR(ext_phy), 238 MT_TMAC_ATCR_TXV_TOUT); 239 txv_time *= 50; /* normal clock time */ 240 241 i2t_time = (slot_time * 1000 - txv_time - BBP_PROC_TIME) / 50; 242 tr2t_time = (sifs * 1000 - txv_time - BBP_PROC_TIME) / 50; 243 244 mt76_set(dev, MT_TMAC_TRCR0(ext_phy), 245 FIELD_PREP(MT_TMAC_TRCR0_TR2T_CHK, tr2t_time) | 246 FIELD_PREP(MT_TMAC_TRCR0_I2T_CHK, i2t_time)); 247 248 mt7915_tm_set_slot_time(phy, slot_time, sifs); 249 250 return mt7915_tm_set_wmm_qid(dev, 251 mt7915_lmac_mapping(dev, IEEE80211_AC_BE), 252 aifsn, cw, cw, 0); 253 } 254 255 static int 256 mt7915_tm_set_tx_len(struct mt7915_phy *phy, u32 tx_time) 257 { 258 struct mt76_phy *mphy = phy->mt76; 259 struct mt76_testmode_data *td = &mphy->test; 260 struct sk_buff *old = td->tx_skb, *new; 261 struct ieee80211_supported_band *sband; 262 struct rate_info rate = {}; 263 u16 flags = 0, tx_len; 264 u32 bitrate; 265 266 if (!tx_time || !old) 267 return 0; 268 269 rate.mcs = td->tx_rate_idx; 270 rate.nss = td->tx_rate_nss; 271 272 switch (td->tx_rate_mode) { 273 case MT76_TM_TX_MODE_CCK: 274 case MT76_TM_TX_MODE_OFDM: 275 if (mphy->chandef.chan->band == NL80211_BAND_5GHZ) 276 sband = &mphy->sband_5g.sband; 277 else 278 sband = &mphy->sband_2g.sband; 279 280 rate.legacy = sband->bitrates[rate.mcs].bitrate; 281 break; 282 case MT76_TM_TX_MODE_HT: 283 rate.mcs += rate.nss * 8; 284 flags |= RATE_INFO_FLAGS_MCS; 285 286 if (td->tx_rate_sgi) 287 flags |= RATE_INFO_FLAGS_SHORT_GI; 288 break; 289 case MT76_TM_TX_MODE_VHT: 290 flags |= RATE_INFO_FLAGS_VHT_MCS; 291 292 if (td->tx_rate_sgi) 293 flags |= RATE_INFO_FLAGS_SHORT_GI; 294 break; 295 case MT76_TM_TX_MODE_HE_SU: 296 case MT76_TM_TX_MODE_HE_EXT_SU: 297 case MT76_TM_TX_MODE_HE_TB: 298 case MT76_TM_TX_MODE_HE_MU: 299 rate.he_gi = td->tx_rate_sgi; 300 flags |= RATE_INFO_FLAGS_HE_MCS; 301 break; 302 default: 303 break; 304 } 305 rate.flags = flags; 306 307 switch (mphy->chandef.width) { 308 case NL80211_CHAN_WIDTH_160: 309 case NL80211_CHAN_WIDTH_80P80: 310 rate.bw = RATE_INFO_BW_160; 311 break; 312 case NL80211_CHAN_WIDTH_80: 313 rate.bw = RATE_INFO_BW_80; 314 break; 315 case NL80211_CHAN_WIDTH_40: 316 rate.bw = RATE_INFO_BW_40; 317 break; 318 default: 319 rate.bw = RATE_INFO_BW_20; 320 break; 321 } 322 323 bitrate = cfg80211_calculate_bitrate(&rate); 324 tx_len = bitrate * tx_time / 10 / 8; 325 326 if (tx_len < sizeof(struct ieee80211_hdr)) 327 tx_len = sizeof(struct ieee80211_hdr); 328 else if (tx_len > IEEE80211_MAX_FRAME_LEN) 329 tx_len = IEEE80211_MAX_FRAME_LEN; 330 331 new = alloc_skb(tx_len, GFP_KERNEL); 332 if (!new) 333 return -ENOMEM; 334 335 skb_copy_header(new, old); 336 __skb_put_zero(new, tx_len); 337 memcpy(new->data, old->data, sizeof(struct ieee80211_hdr)); 338 339 dev_kfree_skb(old); 340 td->tx_skb = new; 341 342 return 0; 343 } 344 345 static void 346 mt7915_tm_reg_backup_restore(struct mt7915_phy *phy) 347 { 348 int n_regs = ARRAY_SIZE(reg_backup_list); 349 struct mt7915_dev *dev = phy->dev; 350 bool ext_phy = phy != &dev->phy; 351 u32 *b = phy->test.reg_backup; 352 int i; 353 354 if (phy->mt76->test.state == MT76_TM_STATE_OFF) { 355 for (i = 0; i < n_regs; i++) 356 mt76_wr(dev, reg_backup_list[i].band[ext_phy], b[i]); 357 return; 358 } 359 360 if (b) 361 return; 362 363 b = devm_kzalloc(dev->mt76.dev, 4 * n_regs, GFP_KERNEL); 364 if (!b) 365 return; 366 367 phy->test.reg_backup = b; 368 for (i = 0; i < n_regs; i++) 369 b[i] = mt76_rr(dev, reg_backup_list[i].band[ext_phy]); 370 371 mt76_clear(dev, MT_AGG_PCR0(ext_phy, 0), MT_AGG_PCR0_MM_PROT | 372 MT_AGG_PCR0_GF_PROT | MT_AGG_PCR0_ERP_PROT | 373 MT_AGG_PCR0_VHT_PROT | MT_AGG_PCR0_BW20_PROT | 374 MT_AGG_PCR0_BW40_PROT | MT_AGG_PCR0_BW80_PROT); 375 mt76_set(dev, MT_AGG_PCR0(ext_phy, 0), MT_AGG_PCR0_PTA_WIN_DIS); 376 377 mt76_wr(dev, MT_AGG_PCR0(ext_phy, 1), MT_AGG_PCR1_RTS0_NUM_THRES | 378 MT_AGG_PCR1_RTS0_LEN_THRES); 379 380 mt76_clear(dev, MT_AGG_MRCR(ext_phy), MT_AGG_MRCR_BAR_CNT_LIMIT | 381 MT_AGG_MRCR_LAST_RTS_CTS_RN | MT_AGG_MRCR_RTS_FAIL_LIMIT | 382 MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT); 383 384 mt76_rmw(dev, MT_AGG_MRCR(ext_phy), MT_AGG_MRCR_RTS_FAIL_LIMIT | 385 MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT, 386 FIELD_PREP(MT_AGG_MRCR_RTS_FAIL_LIMIT, 1) | 387 FIELD_PREP(MT_AGG_MRCR_TXCMD_RTS_FAIL_LIMIT, 1)); 388 389 mt76_wr(dev, MT_TMAC_TFCR0(ext_phy), 0); 390 mt76_clear(dev, MT_TMAC_TCR0(ext_phy), MT_TMAC_TCR0_TBTT_STOP_CTRL); 391 392 /* config rx filter for testmode rx */ 393 mt76_wr(dev, MT_WF_RFCR(ext_phy), 0xcf70a); 394 mt76_wr(dev, MT_WF_RFCR1(ext_phy), 0); 395 } 396 397 static void 398 mt7915_tm_init(struct mt7915_phy *phy, bool en) 399 { 400 struct mt7915_dev *dev = phy->dev; 401 402 if (!test_bit(MT76_STATE_RUNNING, &phy->mt76->state)) 403 return; 404 405 mt7915_mcu_set_sku_en(phy, !en); 406 407 mt7915_tm_mode_ctrl(dev, en); 408 mt7915_tm_reg_backup_restore(phy); 409 mt7915_tm_set_trx(phy, TM_MAC_TXRX, !en); 410 411 mt7915_mcu_add_bss_info(phy, phy->monitor_vif, en); 412 } 413 414 static void 415 mt7915_tm_update_channel(struct mt7915_phy *phy) 416 { 417 mutex_unlock(&phy->dev->mt76.mutex); 418 mt7915_set_channel(phy); 419 mutex_lock(&phy->dev->mt76.mutex); 420 421 mt7915_mcu_set_chan_info(phy, MCU_EXT_CMD(SET_RX_PATH)); 422 } 423 424 static void 425 mt7915_tm_set_tx_frames(struct mt7915_phy *phy, bool en) 426 { 427 static const u8 spe_idx_map[] = {0, 0, 1, 0, 3, 2, 4, 0, 428 9, 8, 6, 10, 16, 12, 18, 0}; 429 struct mt76_testmode_data *td = &phy->mt76->test; 430 struct mt7915_dev *dev = phy->dev; 431 struct ieee80211_tx_info *info; 432 u8 duty_cycle = td->tx_duty_cycle; 433 u32 tx_time = td->tx_time; 434 u32 ipg = td->tx_ipg; 435 436 mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, false); 437 mt7915_tm_clean_hwq(phy, dev->mt76.global_wcid.idx); 438 439 if (en) { 440 mt7915_tm_update_channel(phy); 441 442 if (td->tx_spe_idx) { 443 phy->test.spe_idx = td->tx_spe_idx; 444 } else { 445 u8 tx_ant = td->tx_antenna_mask; 446 447 if (phy != &dev->phy) 448 tx_ant >>= 2; 449 phy->test.spe_idx = spe_idx_map[tx_ant]; 450 } 451 } 452 453 /* if all three params are set, duty_cycle will be ignored */ 454 if (duty_cycle && tx_time && !ipg) { 455 ipg = tx_time * 100 / duty_cycle - tx_time; 456 } else if (duty_cycle && !tx_time && ipg) { 457 if (duty_cycle < 100) 458 tx_time = duty_cycle * ipg / (100 - duty_cycle); 459 } 460 461 mt7915_tm_set_ipg_params(phy, ipg, td->tx_rate_mode); 462 mt7915_tm_set_tx_len(phy, tx_time); 463 464 if (ipg) 465 td->tx_queued_limit = MT76_TM_TIMEOUT * 1000000 / ipg / 2; 466 467 if (!en || !td->tx_skb) 468 return; 469 470 info = IEEE80211_SKB_CB(td->tx_skb); 471 info->control.vif = phy->monitor_vif; 472 473 mt7915_tm_set_trx(phy, TM_MAC_TX, en); 474 } 475 476 static void 477 mt7915_tm_set_rx_frames(struct mt7915_phy *phy, bool en) 478 { 479 if (en) 480 mt7915_tm_update_channel(phy); 481 482 mt7915_tm_set_trx(phy, TM_MAC_RX_RXV, en); 483 } 484 485 static int 486 mt7915_tm_rf_switch_mode(struct mt7915_dev *dev, u32 oper) 487 { 488 struct mt7915_tm_rf_test req = { 489 .op.op_mode = cpu_to_le32(oper), 490 }; 491 492 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req, 493 sizeof(req), true); 494 } 495 496 static int 497 mt7915_tm_set_tx_cont(struct mt7915_phy *phy, bool en) 498 { 499 #define TX_CONT_START 0x05 500 #define TX_CONT_STOP 0x06 501 struct mt7915_dev *dev = phy->dev; 502 struct cfg80211_chan_def *chandef = &phy->mt76->chandef; 503 int freq1 = ieee80211_frequency_to_channel(chandef->center_freq1); 504 struct mt76_testmode_data *td = &phy->mt76->test; 505 u32 func_idx = en ? TX_CONT_START : TX_CONT_STOP; 506 u8 rate_idx = td->tx_rate_idx, mode; 507 u16 rateval; 508 struct mt7915_tm_rf_test req = { 509 .action = 1, 510 .icap_len = 120, 511 .op.rf.func_idx = cpu_to_le32(func_idx), 512 }; 513 struct tm_tx_cont *tx_cont = &req.op.rf.param.tx_cont; 514 515 tx_cont->control_ch = chandef->chan->hw_value; 516 tx_cont->center_ch = freq1; 517 tx_cont->tx_ant = td->tx_antenna_mask; 518 tx_cont->band = phy != &dev->phy; 519 520 switch (chandef->width) { 521 case NL80211_CHAN_WIDTH_40: 522 tx_cont->bw = CMD_CBW_40MHZ; 523 break; 524 case NL80211_CHAN_WIDTH_80: 525 tx_cont->bw = CMD_CBW_80MHZ; 526 break; 527 case NL80211_CHAN_WIDTH_80P80: 528 tx_cont->bw = CMD_CBW_8080MHZ; 529 break; 530 case NL80211_CHAN_WIDTH_160: 531 tx_cont->bw = CMD_CBW_160MHZ; 532 break; 533 case NL80211_CHAN_WIDTH_5: 534 tx_cont->bw = CMD_CBW_5MHZ; 535 break; 536 case NL80211_CHAN_WIDTH_10: 537 tx_cont->bw = CMD_CBW_10MHZ; 538 break; 539 case NL80211_CHAN_WIDTH_20: 540 tx_cont->bw = CMD_CBW_20MHZ; 541 break; 542 case NL80211_CHAN_WIDTH_20_NOHT: 543 tx_cont->bw = CMD_CBW_20MHZ; 544 break; 545 default: 546 break; 547 } 548 549 if (!en) { 550 req.op.rf.param.func_data = cpu_to_le32(phy != &dev->phy); 551 goto out; 552 } 553 554 if (td->tx_rate_mode <= MT76_TM_TX_MODE_OFDM) { 555 struct ieee80211_supported_band *sband; 556 u8 idx = rate_idx; 557 558 if (chandef->chan->band == NL80211_BAND_5GHZ) 559 sband = &phy->mt76->sband_5g.sband; 560 else 561 sband = &phy->mt76->sband_2g.sband; 562 563 if (td->tx_rate_mode == MT76_TM_TX_MODE_OFDM) 564 idx += 4; 565 rate_idx = sband->bitrates[idx].hw_value & 0xff; 566 } 567 568 switch (td->tx_rate_mode) { 569 case MT76_TM_TX_MODE_CCK: 570 mode = MT_PHY_TYPE_CCK; 571 break; 572 case MT76_TM_TX_MODE_OFDM: 573 mode = MT_PHY_TYPE_OFDM; 574 break; 575 case MT76_TM_TX_MODE_HT: 576 mode = MT_PHY_TYPE_HT; 577 break; 578 case MT76_TM_TX_MODE_VHT: 579 mode = MT_PHY_TYPE_VHT; 580 break; 581 case MT76_TM_TX_MODE_HE_SU: 582 mode = MT_PHY_TYPE_HE_SU; 583 break; 584 case MT76_TM_TX_MODE_HE_EXT_SU: 585 mode = MT_PHY_TYPE_HE_EXT_SU; 586 break; 587 case MT76_TM_TX_MODE_HE_TB: 588 mode = MT_PHY_TYPE_HE_TB; 589 break; 590 case MT76_TM_TX_MODE_HE_MU: 591 mode = MT_PHY_TYPE_HE_MU; 592 break; 593 default: 594 break; 595 } 596 597 rateval = mode << 6 | rate_idx; 598 tx_cont->rateval = cpu_to_le16(rateval); 599 600 out: 601 if (!en) { 602 int ret; 603 604 ret = mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req, 605 sizeof(req), true); 606 if (ret) 607 return ret; 608 609 return mt7915_tm_rf_switch_mode(dev, RF_OPER_NORMAL); 610 } 611 612 mt7915_tm_rf_switch_mode(dev, RF_OPER_RF_TEST); 613 mt7915_tm_update_channel(phy); 614 615 return mt76_mcu_send_msg(&dev->mt76, MCU_EXT_CMD(RF_TEST), &req, 616 sizeof(req), true); 617 } 618 619 static void 620 mt7915_tm_update_params(struct mt7915_phy *phy, u32 changed) 621 { 622 struct mt76_testmode_data *td = &phy->mt76->test; 623 bool en = phy->mt76->test.state != MT76_TM_STATE_OFF; 624 625 if (changed & BIT(TM_CHANGED_FREQ_OFFSET)) 626 mt7915_tm_set_freq_offset(phy, en, en ? td->freq_offset : 0); 627 if (changed & BIT(TM_CHANGED_TXPOWER)) 628 mt7915_tm_set_tx_power(phy); 629 } 630 631 static int 632 mt7915_tm_set_state(struct mt76_phy *mphy, enum mt76_testmode_state state) 633 { 634 struct mt76_testmode_data *td = &mphy->test; 635 struct mt7915_phy *phy = mphy->priv; 636 enum mt76_testmode_state prev_state = td->state; 637 638 mphy->test.state = state; 639 640 if (prev_state == MT76_TM_STATE_TX_FRAMES || 641 state == MT76_TM_STATE_TX_FRAMES) 642 mt7915_tm_set_tx_frames(phy, state == MT76_TM_STATE_TX_FRAMES); 643 else if (prev_state == MT76_TM_STATE_RX_FRAMES || 644 state == MT76_TM_STATE_RX_FRAMES) 645 mt7915_tm_set_rx_frames(phy, state == MT76_TM_STATE_RX_FRAMES); 646 else if (prev_state == MT76_TM_STATE_TX_CONT || 647 state == MT76_TM_STATE_TX_CONT) 648 mt7915_tm_set_tx_cont(phy, state == MT76_TM_STATE_TX_CONT); 649 else if (prev_state == MT76_TM_STATE_OFF || 650 state == MT76_TM_STATE_OFF) 651 mt7915_tm_init(phy, !(state == MT76_TM_STATE_OFF)); 652 653 if ((state == MT76_TM_STATE_IDLE && 654 prev_state == MT76_TM_STATE_OFF) || 655 (state == MT76_TM_STATE_OFF && 656 prev_state == MT76_TM_STATE_IDLE)) { 657 u32 changed = 0; 658 int i; 659 660 for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) { 661 u16 cur = tm_change_map[i]; 662 663 if (td->param_set[cur / 32] & BIT(cur % 32)) 664 changed |= BIT(i); 665 } 666 667 mt7915_tm_update_params(phy, changed); 668 } 669 670 return 0; 671 } 672 673 static int 674 mt7915_tm_set_params(struct mt76_phy *mphy, struct nlattr **tb, 675 enum mt76_testmode_state new_state) 676 { 677 struct mt76_testmode_data *td = &mphy->test; 678 struct mt7915_phy *phy = mphy->priv; 679 u32 changed = 0; 680 int i; 681 682 BUILD_BUG_ON(NUM_TM_CHANGED >= 32); 683 684 if (new_state == MT76_TM_STATE_OFF || 685 td->state == MT76_TM_STATE_OFF) 686 return 0; 687 688 if (td->tx_antenna_mask & ~mphy->chainmask) 689 return -EINVAL; 690 691 for (i = 0; i < ARRAY_SIZE(tm_change_map); i++) { 692 if (tb[tm_change_map[i]]) 693 changed |= BIT(i); 694 } 695 696 mt7915_tm_update_params(phy, changed); 697 698 return 0; 699 } 700 701 static int 702 mt7915_tm_dump_stats(struct mt76_phy *mphy, struct sk_buff *msg) 703 { 704 struct mt7915_phy *phy = mphy->priv; 705 void *rx, *rssi; 706 int i; 707 708 rx = nla_nest_start(msg, MT76_TM_STATS_ATTR_LAST_RX); 709 if (!rx) 710 return -ENOMEM; 711 712 if (nla_put_s32(msg, MT76_TM_RX_ATTR_FREQ_OFFSET, phy->test.last_freq_offset)) 713 return -ENOMEM; 714 715 rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_RCPI); 716 if (!rssi) 717 return -ENOMEM; 718 719 for (i = 0; i < ARRAY_SIZE(phy->test.last_rcpi); i++) 720 if (nla_put_u8(msg, i, phy->test.last_rcpi[i])) 721 return -ENOMEM; 722 723 nla_nest_end(msg, rssi); 724 725 rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_IB_RSSI); 726 if (!rssi) 727 return -ENOMEM; 728 729 for (i = 0; i < ARRAY_SIZE(phy->test.last_ib_rssi); i++) 730 if (nla_put_s8(msg, i, phy->test.last_ib_rssi[i])) 731 return -ENOMEM; 732 733 nla_nest_end(msg, rssi); 734 735 rssi = nla_nest_start(msg, MT76_TM_RX_ATTR_WB_RSSI); 736 if (!rssi) 737 return -ENOMEM; 738 739 for (i = 0; i < ARRAY_SIZE(phy->test.last_wb_rssi); i++) 740 if (nla_put_s8(msg, i, phy->test.last_wb_rssi[i])) 741 return -ENOMEM; 742 743 nla_nest_end(msg, rssi); 744 745 if (nla_put_u8(msg, MT76_TM_RX_ATTR_SNR, phy->test.last_snr)) 746 return -ENOMEM; 747 748 nla_nest_end(msg, rx); 749 750 return 0; 751 } 752 753 const struct mt76_testmode_ops mt7915_testmode_ops = { 754 .set_state = mt7915_tm_set_state, 755 .set_params = mt7915_tm_set_params, 756 .dump_stats = mt7915_tm_dump_stats, 757 }; 758