1 /* SPDX-License-Identifier: ISC */
3 #include <linux/etherdevice.h>
8 const struct mt76_driver_ops mt7603_drv_ops = {
9 .txwi_size = MT_TXD_SIZE,
10 .tx_prepare_skb = mt7603_tx_prepare_skb,
11 .tx_complete_skb = mt7603_tx_complete_skb,
12 .rx_skb = mt7603_queue_rx_skb,
13 .rx_poll_complete = mt7603_rx_poll_complete,
14 .sta_ps = mt7603_sta_ps,
15 .sta_add = mt7603_sta_add,
16 .sta_assoc = mt7603_sta_assoc,
17 .sta_remove = mt7603_sta_remove,
18 .update_survey = mt7603_update_channel,
22 mt7603_set_tmac_template(struct mt7603_dev *dev)
25 [1] = FIELD_PREP(MT_TXD3_REM_TX_COUNT, 0xf),
26 [3] = MT_TXD5_SW_POWER_MGMT
31 addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);
32 addr += MT_CLIENT_TMAC_INFO_TEMPLATE;
33 for (i = 0; i < ARRAY_SIZE(desc); i++)
34 mt76_wr(dev, addr + 4 * i, desc[i]);
38 mt7603_dma_sched_init(struct mt7603_dev *dev)
43 int max_amsdu_pages = 4096 / page_size;
44 int max_mcu_len = 4096;
45 int max_beacon_len = 512 * 4 + max_len;
46 int max_mcast_pages = 4 * max_len / page_size;
47 int reserved_count = 0;
52 page_count = mt76_get_field(dev, MT_PSE_FC_P0,
53 MT_PSE_FC_P0_MAX_QUOTA);
54 beacon_pages = 4 * (max_beacon_len / page_size);
55 mcu_pages = max_mcu_len / page_size;
57 mt76_wr(dev, MT_PSE_FRP,
58 FIELD_PREP(MT_PSE_FRP_P0, 7) |
59 FIELD_PREP(MT_PSE_FRP_P1, 6) |
60 FIELD_PREP(MT_PSE_FRP_P2_RQ2, 4));
62 mt76_wr(dev, MT_HIGH_PRIORITY_1, 0x55555553);
63 mt76_wr(dev, MT_HIGH_PRIORITY_2, 0x78555555);
65 mt76_wr(dev, MT_QUEUE_PRIORITY_1, 0x2b1a096e);
66 mt76_wr(dev, MT_QUEUE_PRIORITY_2, 0x785f4d3c);
68 mt76_wr(dev, MT_PRIORITY_MASK, 0xffffffff);
70 mt76_wr(dev, MT_SCH_1, page_count | (2 << 28));
71 mt76_wr(dev, MT_SCH_2, max_amsdu_pages);
73 for (i = 0; i <= 4; i++)
74 mt76_wr(dev, MT_PAGE_COUNT(i), max_amsdu_pages);
75 reserved_count += 5 * max_amsdu_pages;
77 mt76_wr(dev, MT_PAGE_COUNT(5), mcu_pages);
78 reserved_count += mcu_pages;
80 mt76_wr(dev, MT_PAGE_COUNT(7), beacon_pages);
81 reserved_count += beacon_pages;
83 mt76_wr(dev, MT_PAGE_COUNT(8), max_mcast_pages);
84 reserved_count += max_mcast_pages;
89 mt76_wr(dev, MT_RSV_MAX_THRESH, page_count - reserved_count);
91 if (is_mt7603(dev) && mt76xx_rev(dev) >= MT7603_REV_E2) {
92 mt76_wr(dev, MT_GROUP_THRESH(0),
93 page_count - beacon_pages - mcu_pages);
94 mt76_wr(dev, MT_GROUP_THRESH(1), beacon_pages);
95 mt76_wr(dev, MT_BMAP_0, 0x0080ff5f);
96 mt76_wr(dev, MT_GROUP_THRESH(2), mcu_pages);
97 mt76_wr(dev, MT_BMAP_1, 0x00000020);
99 mt76_wr(dev, MT_GROUP_THRESH(0), page_count);
100 mt76_wr(dev, MT_BMAP_0, 0xffff);
103 mt76_wr(dev, MT_SCH_4, 0);
105 for (i = 0; i <= 15; i++)
106 mt76_wr(dev, MT_TXTIME_THRESH(i), 0xfffff);
108 mt76_set(dev, MT_SCH_4, BIT(6));
112 mt7603_phy_init(struct mt7603_dev *dev)
114 int rx_chains = dev->mt76.antenna_mask;
115 int tx_chains = hweight8(rx_chains) - 1;
117 mt76_rmw(dev, MT_WF_RMAC_RMCR,
118 (MT_WF_RMAC_RMCR_SMPS_MODE |
119 MT_WF_RMAC_RMCR_RX_STREAMS),
120 (FIELD_PREP(MT_WF_RMAC_RMCR_SMPS_MODE, 3) |
121 FIELD_PREP(MT_WF_RMAC_RMCR_RX_STREAMS, rx_chains)));
123 mt76_rmw_field(dev, MT_TMAC_TCR, MT_TMAC_TCR_TX_STREAMS,
126 dev->agc0 = mt76_rr(dev, MT_AGC(0));
127 dev->agc3 = mt76_rr(dev, MT_AGC(3));
131 mt7603_mac_init(struct mt7603_dev *dev)
133 u8 bc_addr[ETH_ALEN];
137 mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_0,
138 (MT_AGG_SIZE_LIMIT(0) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |
139 (MT_AGG_SIZE_LIMIT(1) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |
140 (MT_AGG_SIZE_LIMIT(2) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |
141 (MT_AGG_SIZE_LIMIT(3) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));
143 mt76_wr(dev, MT_AGG_BA_SIZE_LIMIT_1,
144 (MT_AGG_SIZE_LIMIT(4) << 0 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |
145 (MT_AGG_SIZE_LIMIT(5) << 1 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |
146 (MT_AGG_SIZE_LIMIT(6) << 2 * MT_AGG_BA_SIZE_LIMIT_SHIFT) |
147 (MT_AGG_SIZE_LIMIT(7) << 3 * MT_AGG_BA_SIZE_LIMIT_SHIFT));
149 mt76_wr(dev, MT_AGG_LIMIT,
150 FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) |
151 FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) |
152 FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) |
153 FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));
155 mt76_wr(dev, MT_AGG_LIMIT_1,
156 FIELD_PREP(MT_AGG_LIMIT_AC(0), 24) |
157 FIELD_PREP(MT_AGG_LIMIT_AC(1), 24) |
158 FIELD_PREP(MT_AGG_LIMIT_AC(2), 24) |
159 FIELD_PREP(MT_AGG_LIMIT_AC(3), 24));
161 mt76_wr(dev, MT_AGG_CONTROL,
162 FIELD_PREP(MT_AGG_CONTROL_BAR_RATE, 0x4b) |
163 FIELD_PREP(MT_AGG_CONTROL_CFEND_RATE, 0x69) |
164 MT_AGG_CONTROL_NO_BA_AR_RULE);
166 mt76_wr(dev, MT_AGG_RETRY_CONTROL,
167 FIELD_PREP(MT_AGG_RETRY_CONTROL_BAR_LIMIT, 1) |
168 FIELD_PREP(MT_AGG_RETRY_CONTROL_RTS_LIMIT, 15));
170 mt76_rmw(dev, MT_DMA_DCR0, ~0xfffc, 4096);
172 mt76_rmw(dev, MT_DMA_VCFR0, BIT(0), BIT(13));
173 mt76_rmw(dev, MT_DMA_TMCFR0, BIT(0) | BIT(1), BIT(13));
175 mt76_clear(dev, MT_WF_RMAC_TMR_PA, BIT(31));
177 mt76_set(dev, MT_WF_RMACDR, MT_WF_RMACDR_MAXLEN_20BIT);
178 mt76_rmw(dev, MT_WF_RMAC_MAXMINLEN, 0xffffff, 0x19000);
180 mt76_wr(dev, MT_WF_RFCR1, 0);
182 mt76_set(dev, MT_TMAC_TCR, MT_TMAC_TCR_RX_RIFS_MODE);
184 mt7603_set_tmac_template(dev);
186 /* Enable RX group to HIF */
187 addr = mt7603_reg_map(dev, MT_CLIENT_BASE_PHYS_ADDR);
188 mt76_set(dev, addr + MT_CLIENT_RXINF, MT_CLIENT_RXINF_RXSH_GROUPS);
190 /* Enable RX group to MCU */
191 mt76_set(dev, MT_DMA_DCR1, GENMASK(13, 11));
193 mt76_rmw_field(dev, MT_AGG_PCR_RTS, MT_AGG_PCR_RTS_PKT_THR, 3);
194 mt76_set(dev, MT_TMAC_PCR, MT_TMAC_PCR_SPE_EN);
196 /* include preamble detection in CCA trigger signal */
197 mt76_rmw_field(dev, MT_TXREQ, MT_TXREQ_CCA_SRC_SEL, 2);
199 mt76_wr(dev, MT_RXREQ, 4);
201 /* Configure all rx packets to HIF */
202 mt76_wr(dev, MT_DMA_RCFR0, 0xc0000000);
204 /* Configure MCU txs selection with aggregation */
205 mt76_wr(dev, MT_DMA_TCFR0,
206 FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */
207 MT_DMA_TCFR_TXS_AGGR_COUNT);
209 /* Configure HIF txs selection with aggregation */
210 mt76_wr(dev, MT_DMA_TCFR1,
211 FIELD_PREP(MT_DMA_TCFR_TXS_AGGR_TIMEOUT, 1) | /* 32 us */
212 MT_DMA_TCFR_TXS_AGGR_COUNT | /* Maximum count */
213 MT_DMA_TCFR_TXS_BIT_MAP);
215 mt76_wr(dev, MT_MCU_PCIE_REMAP_1, MT_PSE_WTBL_2_PHYS_ADDR);
217 for (i = 0; i < MT7603_WTBL_SIZE; i++)
218 mt7603_wtbl_clear(dev, i);
220 eth_broadcast_addr(bc_addr);
221 mt7603_wtbl_init(dev, MT7603_WTBL_RESERVED, -1, bc_addr);
222 dev->global_sta.wcid.idx = MT7603_WTBL_RESERVED;
223 rcu_assign_pointer(dev->mt76.wcid[MT7603_WTBL_RESERVED],
224 &dev->global_sta.wcid);
226 mt76_rmw_field(dev, MT_LPON_BTEIR, MT_LPON_BTEIR_MBSS_MODE, 2);
227 mt76_rmw_field(dev, MT_WF_RMACDR, MT_WF_RMACDR_MBSSID_MASK, 2);
229 mt76_wr(dev, MT_AGG_ARUCR, FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 7));
230 mt76_wr(dev, MT_AGG_ARDCR,
231 FIELD_PREP(MT_AGG_ARxCR_LIMIT(0), 0) |
232 FIELD_PREP(MT_AGG_ARxCR_LIMIT(1),
233 max_t(int, 0, MT7603_RATE_RETRY - 2)) |
234 FIELD_PREP(MT_AGG_ARxCR_LIMIT(2), MT7603_RATE_RETRY - 1) |
235 FIELD_PREP(MT_AGG_ARxCR_LIMIT(3), MT7603_RATE_RETRY - 1) |
236 FIELD_PREP(MT_AGG_ARxCR_LIMIT(4), MT7603_RATE_RETRY - 1) |
237 FIELD_PREP(MT_AGG_ARxCR_LIMIT(5), MT7603_RATE_RETRY - 1) |
238 FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7603_RATE_RETRY - 1) |
239 FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7603_RATE_RETRY - 1));
241 mt76_wr(dev, MT_AGG_ARCR,
242 (MT_AGG_ARCR_INIT_RATE1 |
243 FIELD_PREP(MT_AGG_ARCR_RTS_RATE_THR, 2) |
244 MT_AGG_ARCR_RATE_DOWN_RATIO_EN |
245 FIELD_PREP(MT_AGG_ARCR_RATE_DOWN_RATIO, 1) |
246 FIELD_PREP(MT_AGG_ARCR_RATE_UP_EXTRA_TH, 4)));
248 mt76_set(dev, MT_WTBL_RMVTCR, MT_WTBL_RMVTCR_RX_MV_MODE);
250 mt76_clear(dev, MT_SEC_SCR, MT_SEC_SCR_MASK_ORDER);
251 mt76_clear(dev, MT_SEC_SCR, BIT(18));
253 /* Set secondary beacon time offsets */
254 for (i = 0; i <= 4; i++)
255 mt76_rmw_field(dev, MT_LPON_SBTOR(i), MT_LPON_SBTOR_TIME_OFFSET,
256 (i + 1) * (20 + 4096));
260 mt7603_init_hardware(struct mt7603_dev *dev)
264 mt76_wr(dev, MT_INT_SOURCE_CSR, ~0);
266 ret = mt7603_eeprom_init(dev);
270 ret = mt7603_dma_init(dev);
274 mt76_wr(dev, MT_WPDMA_GLO_CFG, 0x52000850);
275 mt7603_mac_dma_start(dev);
276 dev->rxfilter = mt76_rr(dev, MT_WF_RFCR);
277 set_bit(MT76_STATE_INITIALIZED, &dev->mt76.state);
279 for (i = 0; i < MT7603_WTBL_SIZE; i++) {
280 mt76_wr(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY | MT_PSE_RTA_WRITE |
281 FIELD_PREP(MT_PSE_RTA_TAG_ID, i));
282 mt76_poll(dev, MT_PSE_RTA, MT_PSE_RTA_BUSY, 0, 5000);
285 ret = mt7603_mcu_init(dev);
289 mt7603_dma_sched_init(dev);
290 mt7603_mcu_set_eeprom(dev);
291 mt7603_phy_init(dev);
292 mt7603_mac_init(dev);
297 #define CCK_RATE(_idx, _rate) { \
299 .flags = IEEE80211_RATE_SHORT_PREAMBLE, \
300 .hw_value = (MT_PHY_TYPE_CCK << 8) | (_idx), \
301 .hw_value_short = (MT_PHY_TYPE_CCK << 8) | (4 + _idx), \
304 #define OFDM_RATE(_idx, _rate) { \
306 .hw_value = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
307 .hw_value_short = (MT_PHY_TYPE_OFDM << 8) | (_idx), \
310 static struct ieee80211_rate mt7603_rates[] = {
325 static const struct ieee80211_iface_limit if_limits[] = {
328 .types = BIT(NL80211_IFTYPE_ADHOC)
330 .max = MT7603_MAX_INTERFACES,
331 .types = BIT(NL80211_IFTYPE_STATION) |
332 #ifdef CONFIG_MAC80211_MESH
333 BIT(NL80211_IFTYPE_MESH_POINT) |
335 BIT(NL80211_IFTYPE_AP)
339 static const struct ieee80211_iface_combination if_comb[] = {
342 .n_limits = ARRAY_SIZE(if_limits),
344 .num_different_channels = 1,
345 .beacon_int_infra_match = true,
349 static void mt7603_led_set_config(struct mt76_dev *mt76, u8 delay_on,
352 struct mt7603_dev *dev = container_of(mt76, struct mt7603_dev,
356 val = MT_LED_STATUS_DURATION(0xffff) |
357 MT_LED_STATUS_OFF(delay_off) |
358 MT_LED_STATUS_ON(delay_on);
360 addr = mt7603_reg_map(dev, MT_LED_STATUS_0(mt76->led_pin));
361 mt76_wr(dev, addr, val);
362 addr = mt7603_reg_map(dev, MT_LED_STATUS_1(mt76->led_pin));
363 mt76_wr(dev, addr, val);
365 val = MT_LED_CTRL_REPLAY(mt76->led_pin) |
366 MT_LED_CTRL_KICK(mt76->led_pin);
368 val |= MT_LED_CTRL_POLARITY(mt76->led_pin);
369 addr = mt7603_reg_map(dev, MT_LED_CTRL);
370 mt76_wr(dev, addr, val);
373 static int mt7603_led_set_blink(struct led_classdev *led_cdev,
374 unsigned long *delay_on,
375 unsigned long *delay_off)
377 struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev,
379 u8 delta_on, delta_off;
381 delta_off = max_t(u8, *delay_off / 10, 1);
382 delta_on = max_t(u8, *delay_on / 10, 1);
384 mt7603_led_set_config(mt76, delta_on, delta_off);
388 static void mt7603_led_set_brightness(struct led_classdev *led_cdev,
389 enum led_brightness brightness)
391 struct mt76_dev *mt76 = container_of(led_cdev, struct mt76_dev,
395 mt7603_led_set_config(mt76, 0, 0xff);
397 mt7603_led_set_config(mt76, 0xff, 0);
400 static u32 __mt7603_reg_addr(struct mt7603_dev *dev, u32 addr)
405 return mt7603_reg_map(dev, addr);
408 static u32 mt7603_rr(struct mt76_dev *mdev, u32 offset)
410 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
411 u32 addr = __mt7603_reg_addr(dev, offset);
413 return dev->bus_ops->rr(mdev, addr);
416 static void mt7603_wr(struct mt76_dev *mdev, u32 offset, u32 val)
418 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
419 u32 addr = __mt7603_reg_addr(dev, offset);
421 dev->bus_ops->wr(mdev, addr, val);
424 static u32 mt7603_rmw(struct mt76_dev *mdev, u32 offset, u32 mask, u32 val)
426 struct mt7603_dev *dev = container_of(mdev, struct mt7603_dev, mt76);
427 u32 addr = __mt7603_reg_addr(dev, offset);
429 return dev->bus_ops->rmw(mdev, addr, mask, val);
433 mt7603_regd_notifier(struct wiphy *wiphy,
434 struct regulatory_request *request)
436 struct ieee80211_hw *hw = wiphy_to_ieee80211_hw(wiphy);
437 struct mt7603_dev *dev = hw->priv;
439 dev->ed_monitor = request->dfs_region == NL80211_DFS_ETSI;
443 mt7603_txpower_signed(int val)
445 bool sign = val & BIT(6);
450 val &= GENMASK(5, 0);
458 mt7603_init_txpower(struct mt7603_dev *dev,
459 struct ieee80211_supported_band *sband)
461 struct ieee80211_channel *chan;
462 u8 *eeprom = (u8 *)dev->mt76.eeprom.data;
463 int target_power = eeprom[MT_EE_TX_POWER_0_START_2G + 2] & ~BIT(7);
464 u8 *rate_power = &eeprom[MT_EE_TX_POWER_CCK];
465 int max_offset, cur_offset;
468 if (target_power & BIT(6))
469 target_power = -(target_power & GENMASK(5, 0));
472 for (i = 0; i < 14; i++) {
473 cur_offset = mt7603_txpower_signed(rate_power[i]);
474 max_offset = max(max_offset, cur_offset);
477 target_power += max_offset;
479 dev->tx_power_limit = target_power;
480 dev->mt76.txpower_cur = target_power;
482 target_power = DIV_ROUND_UP(target_power, 2);
484 /* add 3 dBm for 2SS devices (combined output) */
485 if (dev->mt76.antenna_mask & BIT(1))
488 for (i = 0; i < sband->n_channels; i++) {
489 chan = &sband->channels[i];
490 chan->max_power = target_power;
495 int mt7603_register_device(struct mt7603_dev *dev)
497 struct mt76_bus_ops *bus_ops;
498 struct ieee80211_hw *hw = mt76_hw(dev);
499 struct wiphy *wiphy = hw->wiphy;
502 dev->bus_ops = dev->mt76.bus;
503 bus_ops = devm_kmemdup(dev->mt76.dev, dev->bus_ops, sizeof(*bus_ops),
508 bus_ops->rr = mt7603_rr;
509 bus_ops->wr = mt7603_wr;
510 bus_ops->rmw = mt7603_rmw;
511 dev->mt76.bus = bus_ops;
513 INIT_DELAYED_WORK(&dev->mac_work, mt7603_mac_work);
514 tasklet_init(&dev->pre_tbtt_tasklet, mt7603_pre_tbtt_tasklet,
517 /* Check for 7688, which only has 1SS */
518 dev->mt76.antenna_mask = 3;
519 if (mt76_rr(dev, MT_EFUSE_BASE + 0x64) & BIT(4))
520 dev->mt76.antenna_mask = 1;
524 ret = mt7603_init_hardware(dev);
530 hw->max_report_rates = 7;
531 hw->max_rate_tries = 11;
533 hw->sta_data_size = sizeof(struct mt7603_sta);
534 hw->vif_data_size = sizeof(struct mt7603_vif);
536 wiphy->iface_combinations = if_comb;
537 wiphy->n_iface_combinations = ARRAY_SIZE(if_comb);
539 ieee80211_hw_set(hw, SUPPORTS_REORDERING_BUFFER);
540 ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
542 /* init led callbacks */
543 if (IS_ENABLED(CONFIG_MT76_LEDS)) {
544 dev->mt76.led_cdev.brightness_set = mt7603_led_set_brightness;
545 dev->mt76.led_cdev.blink_set = mt7603_led_set_blink;
548 wiphy->interface_modes =
549 BIT(NL80211_IFTYPE_STATION) |
550 BIT(NL80211_IFTYPE_AP) |
551 #ifdef CONFIG_MAC80211_MESH
552 BIT(NL80211_IFTYPE_MESH_POINT) |
554 BIT(NL80211_IFTYPE_ADHOC);
556 wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
558 wiphy->reg_notifier = mt7603_regd_notifier;
560 ret = mt76_register_device(&dev->mt76, true, mt7603_rates,
561 ARRAY_SIZE(mt7603_rates));
565 mt7603_init_debugfs(dev);
566 mt7603_init_txpower(dev, &dev->mt76.sband_2g.sband);
571 void mt7603_unregister_device(struct mt7603_dev *dev)
573 tasklet_disable(&dev->pre_tbtt_tasklet);
574 mt76_unregister_device(&dev->mt76);
575 mt7603_mcu_exit(dev);
576 mt7603_dma_cleanup(dev);
577 ieee80211_free_hw(mt76_hw(dev));