1 // SPDX-License-Identifier: ISC 2 3 #include <linux/etherdevice.h> 4 #include "mt7603.h" 5 #include "mac.h" 6 #include "eeprom.h" 7 8 const struct mt76_driver_ops mt7603_drv_ops = { 9 .txwi_size = MT_TXD_SIZE, 10 .drv_flags = MT_DRV_SW_RX_AIRTIME, 11 .survey_flags = SURVEY_INFO_TIME_TX, 12 .tx_prepare_skb = mt7603_tx_prepare_skb, 13 .tx_complete_skb = mt7603_tx_complete_skb, 14 .rx_skb = mt7603_queue_rx_skb, 15 .rx_poll_complete = mt7603_rx_poll_complete, 16 .sta_ps = mt7603_sta_ps, 17 .sta_add = mt7603_sta_add, 18 .sta_assoc = mt7603_sta_assoc, 19 .sta_remove = mt7603_sta_remove, 20 .update_survey = mt7603_update_channel, 21 }; 22 23 static void 24 mt7603_set_tmac_template(struct mt7603_dev *dev) 25 { 26 u32 desc[5] = { 27 [1] = FIELD_PREP(MT_TXD3_REM_TX_COUNT, 0xf), 28 [3] = MT_TXD5_SW_POWER_MGMT 29 }; 30 u32 addr; 31 int i; 32 33 addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR); 34 addr += MT_CLIENT_TMAC_INFO_TEMPLATE; 35 for (i = 0; i < ARRAY_SIZE(desc); i++) 36 mt76_wr(dev, addr + 4 * i, desc[i]); 37 } 38 39 static void 40 mt7603_dma_sched_init(struct mt7603_dev *dev) 41 { 42 int page_size = 128; 43 int page_count; 44 int max_len = 1792; 45 int max_amsdu_pages = 4096 / page_size; 46 int max_mcu_len = 4096; 47 int max_beacon_len = 512 * 4 + max_len; 48 int max_mcast_pages = 4 * max_len / page_size; 49 int reserved_count = 0; 50 int beacon_pages; 51 int mcu_pages; 52 int i; 53 54 page_count = mt76_get_field(dev, MT_PSE_FC_P0, 55 MT_PSE_FC_P0_MAX_QUOTA); 56 beacon_pages = 4 * (max_beacon_len / page_size); 57 mcu_pages = max_mcu_len / page_size; 58 59 mt76_wr(dev, MT_PSE_FRP, 60 FIELD_PREP(MT_PSE_FRP_P0, 7) | 61 FIELD_PREP(MT_PSE_FRP_P1, 6) | 62 FIELD_PREP(MT_PSE_FRP_P2_RQ2, 4)); 63 64 mt76_wr(dev, MT_HIGH_PRIORITY_1, 0x55555553); 65 mt76_wr(dev, MT_HIGH_PRIORITY_2, 0x78555555); 66 67 mt76_wr(dev, MT_QUEUE_PRIORITY_1, 0x2b1a096e); 68 mt76_wr(dev, MT_QUEUE_PRIORITY_2, 0x785f4d3c); 69 70 mt76_wr(dev, MT_PRIORITY_MASK, 0xffffffff); 71 72 mt76_wr(dev, MT_SCH_1, page_count | (2 << 28)); 73 mt76_wr(dev, MT_SCH_2, max_amsdu_pages); 74 75 for (i = 0; i <= 4; i++) 76 mt76_wr(dev, MT_PAGE_COUNT(i), max_amsdu_pages); 77 reserved_count += 5 * max_amsdu_pages; 78 79 mt76_wr(dev, MT_PAGE_COUNT(5), mcu_pages); 80 reserved_count += mcu_pages; 81 82 mt76_wr(dev, MT_PAGE_COUNT(7), beacon_pages); 83 reserved_count += beacon_pages; 84 85 mt76_wr(dev, MT_PAGE_COUNT(8), max_mcast_pages); 86 reserved_count += max_mcast_pages; 87 88 if (is_mt7603(dev)) 89 reserved_count = 0; 90 91 mt76_wr(dev, MT_RSV_MAX_THRESH, page_count - reserved_count); 92 93 if (is_mt7603(dev) && mt76xx_rev(dev) >= MT7603_REV_E2) { 94 mt76_wr(dev, MT_GROUP_THRESH(0), 95 page_count - beacon_pages - mcu_pages); 96 mt76_wr(dev, MT_GROUP_THRESH(1), beacon_pages); 97 mt76_wr(dev, MT_BMAP_0, 0x0080ff5f); 98 mt76_wr(dev, MT_GROUP_THRESH(2), mcu_pages); 99 mt76_wr(dev, MT_BMAP_1, 0x00000020); 100 } else { 101 mt76_wr(dev, MT_GROUP_THRESH(0), page_count); 102 mt76_wr(dev, MT_BMAP_0, 0xffff); 103 } 104 105 mt76_wr(dev, MT_SCH_4, 0); 106 107 for (i = 0; i <= 15; i++) 108 mt76_wr(dev, MT_TXTIME_THRESH(i), 0xfffff); 109 110 mt76_set(dev, MT_SCH_4, BIT(6)); 111 } 112 113 static void 114 mt7603_phy_init(struct mt7603_dev *dev) 115 { 116 int rx_chains = dev->mt76.antenna_mask; 117 int tx_chains = hweight8(rx_chains) - 1; 118 119 mt76_rmw(dev, MT_WF_RMAC_RMCR, 120 (MT_WF_RMAC_RMCR_SMPS_MODE | 121 MT_WF_RMAC_RMCR_RX_STREAMS), 122 (FIELD_PREP(MT_WF_RMAC_RMCR_SMPS_MODE, 3) | 123 FIELD_PREP(MT_WF_RMAC_RMCR_RX_STREAMS, rx_chains))); 124 125 mt76_rmw_field(dev, MT_TMAC_TCR, MT_TMAC_TCR_TX_STREAMS, 126 tx_chains); 127 128 dev->agc0 = mt76_rr(dev, MT_AGC(0)); 129 dev->agc3 = mt76_rr(dev, MT_AGC(3)); 130 } 131 132 static void 133 mt7603_mac_init(struct mt7603_dev *dev) 134 { 135 u8 bc_addr[ETH_ALEN]; 136 u32 addr; 137 int i; 138 139 mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_0, 140 (MT_AGG_SIZE_LIMIT(0) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | 141 (MT_AGG_SIZE_LIMIT(1) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | 142 (MT_AGG_SIZE_LIMIT(2) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | 143 (MT_AGG_SIZE_LIMIT(3) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT)); 144 145 mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_1, 146 (MT_AGG_SIZE_LIMIT(4) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | 147 (MT_AGG_SIZE_LIMIT(5) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | 148 (MT_AGG_SIZE_LIMIT(6) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) | 149 (MT_AGG_SIZE_LIMIT(7) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT)); 150 151 mt76_wr(dev, MT_AGG_LIMIT, 152 FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) | 153 FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) | 154 FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) | 155 FIELD_PREP(MT_AGG_LIMIT_AC(3), 24)); 156 157 mt76_wr(dev, MT_AGG_LIMIT_1, 158 FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) | 159 FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) | 160 FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) | 161 FIELD_PREP(MT_AGG_LIMIT_AC(3), 24)); 162 163 mt76_wr(dev, MT_AGG_CONTROL, 164 FIELD_PREP(MT_AGG_CONTROL_BAR_RATE, 0x4b) | 165 FIELD_PREP(MT_AGG_CONTROL_CFEND_RATE, 0x69) | 166 MT_AGG_CONTROL_NO_BA_AR_RULE); 167 168 mt76_wr(dev, MT_AGG_RETRY_CONTROL, 169 FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) | 170 FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15)); 171 172 mt76_wr(dev, MT_DMA_DCR0, MT_DMA_DCR0_RX_VEC_DROP | 173 FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 4096)); 174 175 mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13)); 176 mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) | BIT(1), BIT(13)); 177 178 mt76_clear(dev, MT_WF_RMAC_TMR_PA, BIT(31)); 179 180 mt76_set(dev, MT_WF_RMACDR, MT_WF_RMACDR_MAXLEN_20BIT); 181 mt76_rmw(dev, MT_WF_RMAC_MAXMINLEN, 0xffffff, 0x19000); 182 183 mt76_wr(dev, MT_WF_RFCR1, 0); 184 185 mt76_set(dev, MT_TMAC_TCR, MT_TMAC_TCR_RX_RIFS_MODE); 186 187 mt7603_set_tmac_template(dev); 188 189 /* Enable RX group to HIF */ 190 addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR); 191 mt76_set(dev, addr + MT_CLIENT_RXINF, MT_CLIENT_RXINF_RXSH_GROUPS); 192 193 /* Enable RX group to MCU */ 194 mt76_set(dev, MT_DMA_DCR1, GENMASK(13, 11)); 195 196 mt76_rmw_field(dev, MT_AGG_PCR_RTS, MT_AGG_PCR_RTS_PKT_THR, 3); 197 mt76_set(dev, MT_TMAC_PCR, MT_TMAC_PCR_SPE_EN); 198 199 /* include preamble detection in CCA trigger signal */ 200 mt76_rmw_field(dev, MT_TXREQ, MT_TXREQ_CCA_SRC_SEL, 2); 201 202 mt76_wr(dev, MT_RXREQ, 4); 203 204 /* Configure all rx packets to HIF */ 205 mt76_wr(dev, MT_DMA_RCFR0, 0xc0000000); 206 207 /* Configure MCU txs selection with aggregation */ 208 mt76_wr(dev, MT_DMA_TCFR0, 209 FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */ 210 MT_DMA_TCFR_TXS_AGGR_COUNT); 211 212 /* Configure HIF txs selection with aggregation */ 213 mt76_wr(dev, MT_DMA_TCFR1, 214 FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */ 215 MT_DMA_TCFR_TXS_AGGR_COUNT | /* Maximum count */ 216 MT_DMA_TCFR_TXS_BIT_MAP); 217 218 mt76_wr(dev, MT_MCU_PCIE_REMAP_1, MT_PSE_WTBL_2_PHYS_ADDR); 219 220 for (i = 0; i < MT7603_WTBL_SIZE; i++) 221 mt7603_wtbl_clear(dev, i); 222 223 eth_broadcast_addr(bc_addr); 224 mt7603_wtbl_init(dev, MT7603_WTBL_RESERVED, -1, bc_addr); 225 dev->global_sta.wcid.idx = MT7603_WTBL_RESERVED; 226 rcu_assign_pointer(dev->mt76.wcid[MT7603_WTBL_RESERVED], 227 &dev->global_sta.wcid); 228 229 mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2); 230 mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2); 231 232 mt76_wr(dev, MT_AGG_ARUCR, 233 FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7) | 234 FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), 2) | 235 FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), 2) | 236 FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), 2) | 237 FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), 1) | 238 FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), 1) | 239 FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), 1) | 240 FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), 1)); 241 242 mt76_wr(dev, MT_AGG_ARDCR, 243 FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), MT7603_RATE_RETRY - 1) | 244 FIELD_PREP(MT_AGG_ARxCR_LIMIT(1), MT7603_RATE_RETRY - 1) | 245 FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) | 246 FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) | 247 FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) | 248 FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) | 249 FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) | 250 FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1)); 251 252 mt76_wr(dev, MT_AGG_ARCR, 253 (FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) | 254 MT_AGG_ARCR_RATE_DOWN_RATIO_EN | 255 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) | 256 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4))); 257 258 mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE); 259 260 mt76_clear(dev, MT_SEC_SCR, MT_SEC_SCR_MASK_ORDER); 261 mt76_clear(dev, MT_SEC_SCR, BIT(18)); 262 263 /* Set secondary beacon time offsets */ 264 for (i = 0; i <= 4; i++) 265 mt76_rmw_field(dev, MT_LPON_SBTOR(i), MT_LPON_SBTOR_TIME_OFFSET, 266 (i + 1) * (20 + 4096)); 267 } 268 269 static int 270 mt7603_init_hardware(struct mt7603_dev *dev) 271 { 272 int i, ret; 273 274 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0); 275 276 ret = mt7603_eeprom_init(dev); 277 if (ret < 0) 278 return ret; 279 280 ret = mt7603_dma_init(dev); 281 if (ret) 282 return ret; 283 284 mt76_wr(dev, MT_WPDMA_GLO_CFG, 0x52000850); 285 mt7603_mac_dma_start(dev); 286 dev->rxfilter = mt76_rr(dev, MT_WF_RFCR); 287 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state); 288 289 for (i = 0; i < MT7603_WTBL_SIZE; i++) { 290 mt76_wr(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY | MT_PSE_RTA_WRITE | 291 FIELD_PREP(MT_PSE_RTA_TAG_ID, i)); 292 mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000); 293 } 294 295 ret = mt7603_mcu_init(dev); 296 if (ret) 297 return ret; 298 299 mt7603_dma_sched_init(dev); 300 mt7603_mcu_set_eeprom(dev); 301 mt7603_phy_init(dev); 302 mt7603_mac_init(dev); 303 304 return 0; 305 } 306 307 #define CCK_RATE(_idx, _rate) { \ 308 .bitrate = _rate, \ 309 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \ 310 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \ 311 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + _idx), \ 312 } 313 314 #define OFDM_RATE(_idx, _rate) { \ 315 .bitrate = _rate, \ 316 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ 317 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \ 318 } 319 320 static struct ieee80211_rate mt7603_rates[] = { 321 CCK_RATE(0, 10), 322 CCK_RATE(1, 20), 323 CCK_RATE(2, 55), 324 CCK_RATE(3, 110), 325 OFDM_RATE(11, 60), 326 OFDM_RATE(15, 90), 327 OFDM_RATE(10, 120), 328 OFDM_RATE(14, 180), 329 OFDM_RATE(9, 240), 330 OFDM_RATE(13, 360), 331 OFDM_RATE(8, 480), 332 OFDM_RATE(12, 540), 333 }; 334 335 static const struct ieee80211_iface_limit if_limits[] = { 336 { 337 .max = 1, 338 .types = BIT(NL80211_IFTYPE_ADHOC) 339 }, { 340 .max = MT7603_MAX_INTERFACES, 341 .types = BIT(NL80211_IFTYPE_STATION) | 342 #ifdef CONFIG_MAC80211_MESH 343 BIT(NL80211_IFTYPE_MESH_POINT) | 344 #endif 345 BIT(NL80211_IFTYPE_AP) 346 }, 347 }; 348 349 static const struct ieee80211_iface_combination if_comb[] = { 350 { 351 .limits = if_limits, 352 .n_limits = ARRAY_SIZE(if_limits), 353 .max_interfaces = 4, 354 .num_different_channels = 1, 355 .beacon_int_infra_match = true, 356 } 357 }; 358 359 static void mt7603_led_set_config(struct mt76_dev *mt76, u8 delay_on, 360 u8 delay_off) 361 { 362 struct mt7603_dev *dev = container_of(mt76, struct mt7603_dev, 363 mt76); 364 u32 val, addr; 365 366 val = MT_LED_STATUS_DURATION(0xffff) | 367 MT_LED_STATUS_OFF(delay_off) | 368 MT_LED_STATUS_ON(delay_on); 369 370 addr = mt7603_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin)); 371 mt76_wr(dev, addr, val); 372 addr = mt7603_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin)); 373 mt76_wr(dev, addr, val); 374 375 val = MT_LED_CTRL_REPLAY(mt76->led_pin) | 376 MT_LED_CTRL_KICK(mt76->led_pin); 377 if (mt76->led_al) 378 val |= MT_LED_CTRL_POLARITY(mt76->led_pin); 379 addr = mt7603_reg_map(dev, MT_LED_CTRL); 380 mt76_wr(dev, addr, val); 381 } 382 383 static int mt7603_led_set_blink(struct led_classdev *led_cdev, 384 unsigned long *delay_on, 385 unsigned long *delay_off) 386 { 387 struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev, 388 led_cdev); 389 u8 delta_on, delta_off; 390 391 delta_off = max_t(u8, *delay_off / 10, 1); 392 delta_on = max_t(u8, *delay_on / 10, 1); 393 394 mt7603_led_set_config(mt76, delta_on, delta_off); 395 return 0; 396 } 397 398 static void mt7603_led_set_brightness(struct led_classdev *led_cdev, 399 enum led_brightness brightness) 400 { 401 struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev, 402 led_cdev); 403 404 if (!brightness) 405 mt7603_led_set_config(mt76, 0, 0xff); 406 else 407 mt7603_led_set_config(mt76, 0xff, 0); 408 } 409 410 static u32 __mt7603_reg_addr(struct mt7603_dev *dev, u32 addr) 411 { 412 if (addr < 0x100000) 413 return addr; 414 415 return mt7603_reg_map(dev, addr); 416 } 417 418 static u32 mt7603_rr(struct mt76_dev *mdev, u32 offset) 419 { 420 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 421 u32 addr = __mt7603_reg_addr(dev, offset); 422 423 return dev->bus_ops->rr(mdev, addr); 424 } 425 426 static void mt7603_wr(struct mt76_dev *mdev, u32 offset, u32 val) 427 { 428 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 429 u32 addr = __mt7603_reg_addr(dev, offset); 430 431 dev->bus_ops->wr(mdev, addr, val); 432 } 433 434 static u32 mt7603_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val) 435 { 436 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76); 437 u32 addr = __mt7603_reg_addr(dev, offset); 438 439 return dev->bus_ops->rmw(mdev, addr, mask, val); 440 } 441 442 static void 443 mt7603_regd_notifier(struct wiphy *wiphy, 444 struct regulatory_request *request) 445 { 446 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy); 447 struct mt7603_dev *dev = hw->priv; 448 449 dev->mt76.region = request->dfs_region; 450 dev->ed_monitor = dev->ed_monitor_enabled && 451 dev->mt76.region == NL80211_DFS_ETSI; 452 } 453 454 static int 455 mt7603_txpower_signed(int val) 456 { 457 bool sign = val & BIT(6); 458 459 if (!(val & BIT(7))) 460 return 0; 461 462 val &= GENMASK(5, 0); 463 if (!sign) 464 val = -val; 465 466 return val; 467 } 468 469 static void 470 mt7603_init_txpower(struct mt7603_dev *dev, 471 struct ieee80211_supported_band *sband) 472 { 473 struct ieee80211_channel *chan; 474 u8 *eeprom = (u8 *)dev->mt76.eeprom.data; 475 int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7); 476 u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK]; 477 bool ext_pa = eeprom[MT_EE_NIC_CONF_0 + 1] & BIT(1); 478 int max_offset, cur_offset; 479 int i; 480 481 if (ext_pa && is_mt7603(dev)) 482 target_power = eeprom[MT_EE_TX_POWER_TSSI_OFF] & ~BIT(7); 483 484 if (target_power & BIT(6)) 485 target_power = -(target_power & GENMASK(5, 0)); 486 487 max_offset = 0; 488 for (i = 0; i < 14; i++) { 489 cur_offset = mt7603_txpower_signed(rate_power[i]); 490 max_offset = max(max_offset, cur_offset); 491 } 492 493 target_power += max_offset; 494 495 dev->tx_power_limit = target_power; 496 dev->mt76.txpower_cur = target_power; 497 498 target_power = DIV_ROUND_UP(target_power, 2); 499 500 /* add 3 dBm for 2SS devices (combined output) */ 501 if (dev->mt76.antenna_mask & BIT(1)) 502 target_power += 3; 503 504 for (i = 0; i < sband->n_channels; i++) { 505 chan = &sband->channels[i]; 506 chan->max_power = min_t(int, chan->max_reg_power, target_power); 507 chan->orig_mpwr = target_power; 508 } 509 } 510 511 int mt7603_register_device(struct mt7603_dev *dev) 512 { 513 struct mt76_bus_ops *bus_ops; 514 struct ieee80211_hw *hw = mt76_hw(dev); 515 struct wiphy *wiphy = hw->wiphy; 516 int ret; 517 518 dev->bus_ops = dev->mt76.bus; 519 bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops), 520 GFP_KERNEL); 521 if (!bus_ops) 522 return -ENOMEM; 523 524 bus_ops->rr = mt7603_rr; 525 bus_ops->wr = mt7603_wr; 526 bus_ops->rmw = mt7603_rmw; 527 dev->mt76.bus = bus_ops; 528 529 INIT_LIST_HEAD(&dev->sta_poll_list); 530 spin_lock_init(&dev->sta_poll_lock); 531 spin_lock_init(&dev->ps_lock); 532 533 INIT_DELAYED_WORK(&dev->mt76.mac_work, mt7603_mac_work); 534 tasklet_init(&dev->mt76.pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet, 535 (unsigned long)dev); 536 537 /* Check for 7688, which only has 1SS */ 538 dev->mt76.antenna_mask = 3; 539 if (mt76_rr(dev, MT_EFUSE_BASE + 0x64) & BIT(4)) 540 dev->mt76.antenna_mask = 1; 541 542 dev->slottime = 9; 543 544 ret = mt7603_init_hardware(dev); 545 if (ret) 546 return ret; 547 548 hw->queues = 4; 549 hw->max_rates = 3; 550 hw->max_report_rates = 7; 551 hw->max_rate_tries = 11; 552 553 hw->sta_data_size = sizeof(struct mt7603_sta); 554 hw->vif_data_size = sizeof(struct mt7603_vif); 555 556 wiphy->iface_combinations = if_comb; 557 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); 558 559 ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN); 560 561 /* init led callbacks */ 562 if (IS_ENABLED(CONFIG_MT76_LEDS)) { 563 dev->mt76.led_cdev.brightness_set = mt7603_led_set_brightness; 564 dev->mt76.led_cdev.blink_set = mt7603_led_set_blink; 565 } 566 567 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; 568 wiphy->reg_notifier = mt7603_regd_notifier; 569 570 ret = mt76_register_device(&dev->mt76, true, mt7603_rates, 571 ARRAY_SIZE(mt7603_rates)); 572 if (ret) 573 return ret; 574 575 mt7603_init_debugfs(dev); 576 mt7603_init_txpower(dev, &dev->mt76.sband_2g.sband); 577 578 return 0; 579 } 580 581 void mt7603_unregister_device(struct mt7603_dev *dev) 582 { 583 tasklet_disable(&dev->mt76.pre_tbtt_tasklet); 584 mt76_unregister_device(&dev->mt76); 585 mt7603_mcu_exit(dev); 586 mt7603_dma_cleanup(dev); 587 mt76_free_device(&dev->mt76); 588 } 589