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 to_rssi(field, rxv) ((FIELD_GET(field, rxv) - 220) / 2) 51 #define to_rcpi(rssi) (2 * (rssi) + 220) 52 53 struct mt7921_vif; 54 struct mt7921_sta; 55 56 enum mt7921_txq_id { 57 MT7921_TXQ_BAND0, 58 MT7921_TXQ_BAND1, 59 MT7921_TXQ_FWDL = 16, 60 MT7921_TXQ_MCU_WM, 61 }; 62 63 enum mt7921_rxq_id { 64 MT7921_RXQ_BAND0 = 0, 65 MT7921_RXQ_BAND1, 66 MT7921_RXQ_MCU_WM = 0, 67 }; 68 69 struct mt7921_sta_key_conf { 70 s8 keyidx; 71 u8 key[16]; 72 }; 73 74 struct mt7921_sta { 75 struct mt76_wcid wcid; /* must be first */ 76 77 struct mt7921_vif *vif; 78 79 struct list_head poll_list; 80 u32 airtime_ac[8]; 81 82 unsigned long last_txs; 83 unsigned long ampdu_state; 84 85 struct mt7921_sta_key_conf bip; 86 }; 87 88 DECLARE_EWMA(rssi, 10, 8); 89 90 struct mt7921_vif { 91 struct mt76_vif mt76; /* must be first */ 92 93 struct mt7921_sta sta; 94 struct mt7921_sta *wep_sta; 95 96 struct mt7921_phy *phy; 97 98 struct ewma_rssi rssi; 99 100 struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS]; 101 }; 102 103 struct mib_stats { 104 u32 ack_fail_cnt; 105 u32 fcs_err_cnt; 106 u32 rts_cnt; 107 u32 rts_retries_cnt; 108 u32 ba_miss_cnt; 109 }; 110 111 struct mt7921_phy { 112 struct mt76_phy *mt76; 113 struct mt7921_dev *dev; 114 115 struct ieee80211_sband_iftype_data iftype[NUM_NL80211_BANDS][NUM_NL80211_IFTYPES]; 116 117 u32 rxfilter; 118 u64 omac_mask; 119 120 u16 noise; 121 122 s16 coverage_class; 123 u8 slottime; 124 125 u32 rx_ampdu_ts; 126 u32 ampdu_ref; 127 128 struct mib_stats mib; 129 130 u8 sta_work_count; 131 132 struct sk_buff_head scan_event_list; 133 struct delayed_work scan_work; 134 }; 135 136 #define mt7921_init_reset(dev) ((dev)->hif_ops->init_reset(dev)) 137 #define mt7921_dev_reset(dev) ((dev)->hif_ops->reset(dev)) 138 #define mt7921_mcu_init(dev) ((dev)->hif_ops->mcu_init(dev)) 139 #define __mt7921_mcu_drv_pmctrl(dev) ((dev)->hif_ops->drv_own(dev)) 140 #define __mt7921_mcu_fw_pmctrl(dev) ((dev)->hif_ops->fw_own(dev)) 141 struct mt7921_hif_ops { 142 int (*init_reset)(struct mt7921_dev *dev); 143 int (*reset)(struct mt7921_dev *dev); 144 int (*mcu_init)(struct mt7921_dev *dev); 145 int (*drv_own)(struct mt7921_dev *dev); 146 int (*fw_own)(struct mt7921_dev *dev); 147 }; 148 149 struct mt7921_dev { 150 union { /* must be first */ 151 struct mt76_dev mt76; 152 struct mt76_phy mphy; 153 }; 154 155 const struct mt76_bus_ops *bus_ops; 156 struct mt7921_phy phy; 157 struct tasklet_struct irq_tasklet; 158 159 u16 chainmask; 160 161 struct work_struct reset_work; 162 bool hw_full_reset:1; 163 bool hw_init_done:1; 164 165 struct list_head sta_poll_list; 166 spinlock_t sta_poll_lock; 167 168 u8 fw_debug; 169 170 struct mt76_connac_pm pm; 171 struct mt76_connac_coredump coredump; 172 const struct mt7921_hif_ops *hif_ops; 173 }; 174 175 enum { 176 TXPWR_USER, 177 TXPWR_EEPROM, 178 TXPWR_MAC, 179 TXPWR_MAX_NUM, 180 }; 181 182 struct mt7921_txpwr { 183 u8 ch; 184 u8 rsv[3]; 185 struct { 186 u8 ch; 187 u8 cck[4]; 188 u8 ofdm[8]; 189 u8 ht20[8]; 190 u8 ht40[9]; 191 u8 vht20[12]; 192 u8 vht40[12]; 193 u8 vht80[12]; 194 u8 vht160[12]; 195 u8 he26[12]; 196 u8 he52[12]; 197 u8 he106[12]; 198 u8 he242[12]; 199 u8 he484[12]; 200 u8 he996[12]; 201 u8 he996x2[12]; 202 } data[TXPWR_MAX_NUM]; 203 }; 204 205 enum { 206 MT_LMAC_AC00, 207 MT_LMAC_AC01, 208 MT_LMAC_AC02, 209 MT_LMAC_AC03, 210 MT_LMAC_ALTX0 = 0x10, 211 MT_LMAC_BMC0, 212 MT_LMAC_BCN0, 213 }; 214 215 static inline struct mt7921_phy * 216 mt7921_hw_phy(struct ieee80211_hw *hw) 217 { 218 struct mt76_phy *phy = hw->priv; 219 220 return phy->priv; 221 } 222 223 static inline struct mt7921_dev * 224 mt7921_hw_dev(struct ieee80211_hw *hw) 225 { 226 struct mt76_phy *phy = hw->priv; 227 228 return container_of(phy->dev, struct mt7921_dev, mt76); 229 } 230 231 #define mt7921_mutex_acquire(dev) \ 232 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm) 233 #define mt7921_mutex_release(dev) \ 234 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm) 235 236 static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac) 237 { 238 /* LMAC uses the reverse order of mac80211 AC indexes */ 239 return 3 - ac; 240 } 241 242 extern const struct ieee80211_ops mt7921_ops; 243 extern struct pci_driver mt7921_pci_driver; 244 245 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr); 246 247 int __mt7921_start(struct mt7921_phy *phy); 248 int mt7921_register_device(struct mt7921_dev *dev); 249 void mt7921_unregister_device(struct mt7921_dev *dev); 250 int mt7921_eeprom_init(struct mt7921_dev *dev); 251 void mt7921_eeprom_parse_band_config(struct mt7921_phy *phy); 252 int mt7921_eeprom_get_target_power(struct mt7921_dev *dev, 253 struct ieee80211_channel *chan, 254 u8 chain_idx); 255 void mt7921_eeprom_init_sku(struct mt7921_dev *dev); 256 int mt7921_dma_init(struct mt7921_dev *dev); 257 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force); 258 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev); 259 void mt7921_dma_cleanup(struct mt7921_dev *dev); 260 int mt7921_run_firmware(struct mt7921_dev *dev); 261 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, 262 struct mt7921_sta *msta, struct ieee80211_key_conf *key, 263 enum set_key_cmd cmd); 264 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta, 265 struct ieee80211_vif *vif, bool enable, 266 enum mt76_sta_info_state state); 267 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd); 268 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif); 269 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev); 270 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset); 271 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif, 272 struct ieee80211_sta *sta, struct rate_info *rate); 273 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl); 274 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb); 275 void mt7921_mcu_exit(struct mt7921_dev *dev); 276 277 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask) 278 { 279 mt76_set_irq_mask(&dev->mt76, 0, 0, mask); 280 281 tasklet_schedule(&dev->irq_tasklet); 282 } 283 284 static inline u32 285 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr) 286 { 287 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); 288 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); 289 290 mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base); 291 /* use read to push write */ 292 mt76_rr(dev, MT_HIF_REMAP_L1); 293 294 return MT_HIF_REMAP_BASE_L1 + offset; 295 } 296 297 static inline u32 298 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr) 299 { 300 return mt76_rr(dev, mt7921_reg_map_l1(dev, addr)); 301 } 302 303 static inline void 304 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val) 305 { 306 mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val); 307 } 308 309 static inline u32 310 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val) 311 { 312 val |= mt7921_l1_rr(dev, addr) & ~mask; 313 mt7921_l1_wr(dev, addr, val); 314 315 return val; 316 } 317 318 #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val) 319 #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0) 320 321 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev) 322 { 323 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); 324 } 325 326 static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev) 327 { 328 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false); 329 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false); 330 } 331 332 int mt7921_mac_init(struct mt7921_dev *dev); 333 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask); 334 void mt7921_mac_reset_counters(struct mt7921_phy *phy); 335 void mt7921_mac_set_timing(struct mt7921_phy *phy); 336 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 337 struct ieee80211_sta *sta); 338 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 339 struct ieee80211_sta *sta); 340 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 341 struct ieee80211_sta *sta); 342 void mt7921_mac_work(struct work_struct *work); 343 void mt7921_mac_reset_work(struct work_struct *work); 344 void mt7921_mac_update_mib_stats(struct mt7921_phy *phy); 345 void mt7921_reset(struct mt76_dev *mdev); 346 int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, 347 enum mt76_txq_id qid, struct mt76_wcid *wcid, 348 struct ieee80211_sta *sta, 349 struct mt76_tx_info *tx_info); 350 351 void mt7921_tx_worker(struct mt76_worker *w); 352 void mt7921e_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); 353 int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc); 354 void mt7921_tx_token_put(struct mt7921_dev *dev); 355 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 356 struct sk_buff *skb); 357 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps); 358 void mt7921_stats_work(struct work_struct *work); 359 void mt7921_set_stream_he_caps(struct mt7921_phy *phy); 360 void mt7921_update_channel(struct mt76_phy *mphy); 361 int mt7921_init_debugfs(struct mt7921_dev *dev); 362 363 int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev, 364 struct ieee80211_vif *vif, 365 bool enable); 366 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, 367 struct ieee80211_ampdu_params *params, 368 bool enable); 369 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, 370 struct ieee80211_ampdu_params *params, 371 bool enable); 372 void mt7921_scan_work(struct work_struct *work); 373 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif); 374 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev); 375 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev); 376 void mt7921_pm_wake_work(struct work_struct *work); 377 void mt7921_pm_power_save_work(struct work_struct *work); 378 bool mt7921_wait_for_mcu_init(struct mt7921_dev *dev); 379 void mt7921_coredump_work(struct work_struct *work); 380 int mt7921_wfsys_reset(struct mt7921_dev *dev); 381 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr); 382 int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 383 void *data, int len); 384 int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg, 385 struct netlink_callback *cb, void *data, int len); 386 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, 387 struct sk_buff *skb, struct mt76_wcid *wcid, 388 struct ieee80211_key_conf *key, int pid, 389 bool beacon); 390 void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi); 391 void mt7921_mac_sta_poll(struct mt7921_dev *dev); 392 int mt7921_mcu_send_message(struct mt76_dev *mdev, struct sk_buff *skb, 393 int cmd, int *wait_seq); 394 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, 395 struct sk_buff *skb, int seq); 396 int mt7921_mcu_restart(struct mt76_dev *dev); 397 398 void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 399 struct sk_buff *skb); 400 int mt7921e_mac_reset(struct mt7921_dev *dev); 401 int mt7921e_mcu_init(struct mt7921_dev *dev); 402 int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev); 403 int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); 404 405 #endif 406