1 /* SPDX-License-Identifier: ISC */ 2 /* Copyright (C) 2020 MediaTek Inc. */ 3 4 #ifndef __MT7921_H 5 #define __MT7921_H 6 7 #include <linux/interrupt.h> 8 #include <linux/ktime.h> 9 #include "../mt76_connac_mcu.h" 10 #include "regs.h" 11 12 #define MT7921_MAX_INTERFACES 4 13 #define MT7921_MAX_WMM_SETS 4 14 #define MT7921_WTBL_SIZE 20 15 #define MT7921_WTBL_RESERVED (MT7921_WTBL_SIZE - 1) 16 #define MT7921_WTBL_STA (MT7921_WTBL_RESERVED - \ 17 MT7921_MAX_INTERFACES) 18 19 #define MT7921_PM_TIMEOUT (HZ / 12) 20 #define MT7921_HW_SCAN_TIMEOUT (HZ / 10) 21 #define MT7921_WATCHDOG_TIME (HZ / 4) 22 #define MT7921_RESET_TIMEOUT (30 * HZ) 23 24 #define MT7921_TX_RING_SIZE 2048 25 #define MT7921_TX_MCU_RING_SIZE 256 26 #define MT7921_TX_FWDL_RING_SIZE 128 27 28 #define MT7921_RX_RING_SIZE 1536 29 #define MT7921_RX_MCU_RING_SIZE 512 30 31 #define MT7921_DRV_OWN_RETRY_COUNT 10 32 #define MT7921_MCU_INIT_RETRY_COUNT 10 33 34 #define MT7921_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7961_1.bin" 35 #define MT7921_ROM_PATCH "mediatek/WIFI_MT7961_patch_mcu_1_2_hdr.bin" 36 37 #define MT7922_FIRMWARE_WM "mediatek/WIFI_RAM_CODE_MT7922_1.bin" 38 #define MT7922_ROM_PATCH "mediatek/WIFI_MT7922_patch_mcu_1_1_hdr.bin" 39 40 #define MT7921_EEPROM_SIZE 3584 41 #define MT7921_TOKEN_SIZE 8192 42 43 #define MT7921_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */ 44 #define MT7921_CFEND_RATE_11B 0x03 /* 11B LP, 11M */ 45 46 #define MT7921_SKU_RATE_NUM 161 47 #define MT7921_SKU_MAX_DELTA_IDX MT7921_SKU_RATE_NUM 48 #define MT7921_SKU_TABLE_SIZE (MT7921_SKU_RATE_NUM + 1) 49 50 #define MT7921_SDIO_HDR_TX_BYTES GENMASK(15, 0) 51 #define MT7921_SDIO_HDR_PKT_TYPE GENMASK(17, 16) 52 53 enum mt7921_sdio_pkt_type { 54 MT7921_SDIO_TXD, 55 MT7921_SDIO_DATA, 56 MT7921_SDIO_CMD, 57 MT7921_SDIO_FWDL, 58 }; 59 60 struct mt7921_sdio_intr { 61 u32 isr; 62 struct { 63 u32 wtqcr[16]; 64 } tx; 65 struct { 66 u16 num[2]; 67 u16 len0[16]; 68 u16 len1[128]; 69 } rx; 70 u32 rec_mb[2]; 71 } __packed; 72 73 #define to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2) 74 #define to_rcpi(rssi) (2 * (rssi) + 220) 75 76 struct mt7921_vif; 77 struct mt7921_sta; 78 79 enum mt7921_txq_id { 80 MT7921_TXQ_BAND0, 81 MT7921_TXQ_BAND1, 82 MT7921_TXQ_FWDL = 16, 83 MT7921_TXQ_MCU_WM, 84 }; 85 86 enum mt7921_rxq_id { 87 MT7921_RXQ_BAND0 = 0, 88 MT7921_RXQ_BAND1, 89 MT7921_RXQ_MCU_WM = 0, 90 }; 91 92 struct mt7921_sta_key_conf { 93 s8 keyidx; 94 u8 key[16]; 95 }; 96 97 struct mt7921_sta { 98 struct mt76_wcid wcid; /* must be first */ 99 100 struct mt7921_vif *vif; 101 102 struct list_head poll_list; 103 u32 airtime_ac[8]; 104 105 unsigned long last_txs; 106 unsigned long ampdu_state; 107 struct mt76_sta_stats stats; 108 109 struct mt7921_sta_key_conf bip; 110 }; 111 112 DECLARE_EWMA(rssi, 10, 8); 113 114 struct mt7921_vif { 115 struct mt76_vif mt76; /* must be first */ 116 117 struct mt7921_sta sta; 118 struct mt7921_sta *wep_sta; 119 120 struct mt7921_phy *phy; 121 122 struct ewma_rssi rssi; 123 124 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; 125 }; 126 127 struct mib_stats { 128 u32 ack_fail_cnt; 129 u32 fcs_err_cnt; 130 u32 rts_cnt; 131 u32 rts_retries_cnt; 132 u32 ba_miss_cnt; 133 134 u32 tx_bf_ibf_ppdu_cnt; 135 u32 tx_bf_ebf_ppdu_cnt; 136 u32 tx_bf_rx_fb_all_cnt; 137 u32 tx_bf_rx_fb_he_cnt; 138 u32 tx_bf_rx_fb_vht_cnt; 139 u32 tx_bf_rx_fb_ht_cnt; 140 141 u32 tx_ampdu_cnt; 142 u32 tx_mpdu_attempts_cnt; 143 u32 tx_mpdu_success_cnt; 144 u32 tx_pkt_ebf_cnt; 145 u32 tx_pkt_ibf_cnt; 146 147 u32 rx_mpdu_cnt; 148 u32 rx_ampdu_cnt; 149 u32 rx_ampdu_bytes_cnt; 150 u32 rx_ba_cnt; 151 152 u32 tx_amsdu[8]; 153 u32 tx_amsdu_cnt; 154 }; 155 156 struct mt7921_phy { 157 struct mt76_phy *mt76; 158 struct mt7921_dev *dev; 159 160 struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES]; 161 162 u32 rxfilter; 163 u64 omac_mask; 164 165 u16 noise; 166 167 s16 coverage_class; 168 u8 slottime; 169 170 u32 rx_ampdu_ts; 171 u32 ampdu_ref; 172 173 struct mib_stats mib; 174 175 u8 sta_work_count; 176 177 struct sk_buff_head scan_event_list; 178 struct delayed_work scan_work; 179 }; 180 181 #define mt7921_init_reset(dev) ((dev)->hif_ops->init_reset(dev)) 182 #define mt7921_dev_reset(dev) ((dev)->hif_ops->reset(dev)) 183 #define mt7921_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev)) 184 #define __mt7921_mcu_drv_pmctrl(dev) ((dev)->hif_ops->drv_own(dev)) 185 #define __mt7921_mcu_fw_pmctrl(dev) ((dev)->hif_ops->fw_own(dev)) 186 struct mt7921_hif_ops { 187 int (*init_reset)(struct mt7921_dev *dev); 188 int (*reset)(struct mt7921_dev *dev); 189 int (*mcu_init)(struct mt7921_dev *dev); 190 int (*drv_own)(struct mt7921_dev *dev); 191 int (*fw_own)(struct mt7921_dev *dev); 192 }; 193 194 struct mt7921_dev { 195 union { /* must be first */ 196 struct mt76_dev mt76; 197 struct mt76_phy mphy; 198 }; 199 200 const struct mt76_bus_ops *bus_ops; 201 struct mt7921_phy phy; 202 struct tasklet_struct irq_tasklet; 203 204 struct work_struct reset_work; 205 bool hw_full_reset:1; 206 bool hw_init_done:1; 207 bool fw_assert:1; 208 209 struct list_head sta_poll_list; 210 spinlock_t sta_poll_lock; 211 212 u8 fw_debug; 213 214 struct mt76_connac_pm pm; 215 struct mt76_connac_coredump coredump; 216 const struct mt7921_hif_ops *hif_ops; 217 }; 218 219 enum { 220 TXPWR_USER, 221 TXPWR_EEPROM, 222 TXPWR_MAC, 223 TXPWR_MAX_NUM, 224 }; 225 226 struct mt7921_txpwr { 227 u8 ch; 228 u8 rsv[3]; 229 struct { 230 u8 ch; 231 u8 cck[4]; 232 u8 ofdm[8]; 233 u8 ht20[8]; 234 u8 ht40[9]; 235 u8 vht20[12]; 236 u8 vht40[12]; 237 u8 vht80[12]; 238 u8 vht160[12]; 239 u8 he26[12]; 240 u8 he52[12]; 241 u8 he106[12]; 242 u8 he242[12]; 243 u8 he484[12]; 244 u8 he996[12]; 245 u8 he996x2[12]; 246 } data[TXPWR_MAX_NUM]; 247 }; 248 249 enum { 250 MT_LMAC_AC00, 251 MT_LMAC_AC01, 252 MT_LMAC_AC02, 253 MT_LMAC_AC03, 254 MT_LMAC_ALTX0 = 0x10, 255 MT_LMAC_BMC0, 256 MT_LMAC_BCN0, 257 }; 258 259 static inline struct mt7921_phy * 260 mt7921_hw_phy(struct ieee80211_hw *hw) 261 { 262 struct mt76_phy *phy = hw->priv; 263 264 return phy->priv; 265 } 266 267 static inline struct mt7921_dev * 268 mt7921_hw_dev(struct ieee80211_hw *hw) 269 { 270 struct mt76_phy *phy = hw->priv; 271 272 return container_of(phy->dev, struct mt7921_dev, mt76); 273 } 274 275 #define mt7921_mutex_acquire(dev) \ 276 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm) 277 #define mt7921_mutex_release(dev) \ 278 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm) 279 280 static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac) 281 { 282 /* LMAC uses the reverse order of mac80211 AC indexes */ 283 return 3 - ac; 284 } 285 286 extern const struct ieee80211_ops mt7921_ops; 287 extern struct pci_driver mt7921_pci_driver; 288 289 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr); 290 291 int __mt7921_start(struct mt7921_phy *phy); 292 int mt7921_register_device(struct mt7921_dev *dev); 293 void mt7921_unregister_device(struct mt7921_dev *dev); 294 int mt7921_dma_init(struct mt7921_dev *dev); 295 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force); 296 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev); 297 void mt7921_dma_cleanup(struct mt7921_dev *dev); 298 int mt7921_run_firmware(struct mt7921_dev *dev); 299 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, 300 struct mt7921_sta *msta, struct ieee80211_key_conf *key, 301 enum set_key_cmd cmd); 302 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta, 303 struct ieee80211_vif *vif, bool enable, 304 enum mt76_sta_info_state state); 305 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd); 306 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif); 307 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev); 308 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset); 309 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif, 310 struct ieee80211_sta *sta, struct rate_info *rate); 311 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl); 312 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb); 313 void mt7921_mcu_exit(struct mt7921_dev *dev); 314 315 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask) 316 { 317 mt76_set_irq_mask(&dev->mt76, 0, 0, mask); 318 319 tasklet_schedule(&dev->irq_tasklet); 320 } 321 322 static inline u32 323 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr) 324 { 325 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); 326 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); 327 328 mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base); 329 /* use read to push write */ 330 mt76_rr(dev, MT_HIF_REMAP_L1); 331 332 return MT_HIF_REMAP_BASE_L1 + offset; 333 } 334 335 static inline u32 336 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr) 337 { 338 return mt76_rr(dev, mt7921_reg_map_l1(dev, addr)); 339 } 340 341 static inline void 342 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val) 343 { 344 mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val); 345 } 346 347 static inline u32 348 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val) 349 { 350 val |= mt7921_l1_rr(dev, addr) & ~mask; 351 mt7921_l1_wr(dev, addr, val); 352 353 return val; 354 } 355 356 #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val) 357 #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0) 358 359 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev) 360 { 361 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); 362 } 363 364 static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev) 365 { 366 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false); 367 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false); 368 } 369 370 static inline void mt7921_skb_add_sdio_hdr(struct sk_buff *skb, 371 enum mt7921_sdio_pkt_type type) 372 { 373 u32 hdr; 374 375 hdr = FIELD_PREP(MT7921_SDIO_HDR_TX_BYTES, skb->len + sizeof(hdr)) | 376 FIELD_PREP(MT7921_SDIO_HDR_PKT_TYPE, type); 377 378 put_unaligned_le32(hdr, skb_push(skb, sizeof(hdr))); 379 } 380 381 int mt7921_mac_init(struct mt7921_dev *dev); 382 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask); 383 void mt7921_mac_reset_counters(struct mt7921_phy *phy); 384 void mt7921_mac_set_timing(struct mt7921_phy *phy); 385 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 386 struct ieee80211_sta *sta); 387 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 388 struct ieee80211_sta *sta); 389 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 390 struct ieee80211_sta *sta); 391 void mt7921_mac_work(struct work_struct *work); 392 void mt7921_mac_reset_work(struct work_struct *work); 393 void mt7921_mac_update_mib_stats(struct mt7921_phy *phy); 394 void mt7921_reset(struct mt76_dev *mdev); 395 int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, 396 enum mt76_txq_id qid, struct mt76_wcid *wcid, 397 struct ieee80211_sta *sta, 398 struct mt76_tx_info *tx_info); 399 400 void mt7921_tx_worker(struct mt76_worker *w); 401 void mt7921e_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); 402 int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc); 403 void mt7921_tx_token_put(struct mt7921_dev *dev); 404 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 405 struct sk_buff *skb); 406 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps); 407 void mt7921_stats_work(struct work_struct *work); 408 void mt7921_set_stream_he_caps(struct mt7921_phy *phy); 409 void mt7921_update_channel(struct mt76_phy *mphy); 410 int mt7921_init_debugfs(struct mt7921_dev *dev); 411 412 int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev, 413 struct ieee80211_vif *vif, 414 bool enable); 415 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, 416 struct ieee80211_ampdu_params *params, 417 bool enable); 418 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, 419 struct ieee80211_ampdu_params *params, 420 bool enable); 421 void mt7921_scan_work(struct work_struct *work); 422 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif); 423 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev); 424 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev); 425 void mt7921_pm_wake_work(struct work_struct *work); 426 void mt7921_pm_power_save_work(struct work_struct *work); 427 bool mt7921_wait_for_mcu_init(struct mt7921_dev *dev); 428 void mt7921_coredump_work(struct work_struct *work); 429 int mt7921_wfsys_reset(struct mt7921_dev *dev); 430 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr); 431 int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 432 void *data, int len); 433 int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg, 434 struct netlink_callback *cb, void *data, int len); 435 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, 436 struct sk_buff *skb, struct mt76_wcid *wcid, 437 struct ieee80211_key_conf *key, int pid, 438 bool beacon); 439 void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi); 440 void mt7921_mac_sta_poll(struct mt7921_dev *dev); 441 int mt7921_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb, 442 int cmd, int *wait_seq); 443 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, 444 struct sk_buff *skb, int seq); 445 int mt7921_mcu_restart(struct mt76_dev *dev); 446 447 void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 448 struct sk_buff *skb); 449 int mt7921e_driver_own(struct mt7921_dev *dev); 450 int mt7921e_mac_reset(struct mt7921_dev *dev); 451 int mt7921e_mcu_init(struct mt7921_dev *dev); 452 int mt7921s_wfsys_reset(struct mt7921_dev *dev); 453 int mt7921s_mac_reset(struct mt7921_dev *dev); 454 int mt7921s_init_reset(struct mt7921_dev *dev); 455 int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev); 456 int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); 457 458 int mt7921s_mcu_init(struct mt7921_dev *dev); 459 int mt7921s_mcu_drv_pmctrl(struct mt7921_dev *dev); 460 int mt7921s_mcu_fw_pmctrl(struct mt7921_dev *dev); 461 int mt7921s_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, 462 enum mt76_txq_id qid, struct mt76_wcid *wcid, 463 struct ieee80211_sta *sta, 464 struct mt76_tx_info *tx_info); 465 void mt7921s_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); 466 bool mt7921s_tx_status_data(struct mt76_dev *mdev, u8 *update); 467 void mt7921_mac_add_txs(struct mt7921_dev *dev, void *data); 468 #endif 469