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 struct work_struct reset_work; 160 bool hw_full_reset:1; 161 bool hw_init_done:1; 162 163 struct list_head sta_poll_list; 164 spinlock_t sta_poll_lock; 165 166 u8 fw_debug; 167 168 struct mt76_connac_pm pm; 169 struct mt76_connac_coredump coredump; 170 const struct mt7921_hif_ops *hif_ops; 171 }; 172 173 enum { 174 TXPWR_USER, 175 TXPWR_EEPROM, 176 TXPWR_MAC, 177 TXPWR_MAX_NUM, 178 }; 179 180 struct mt7921_txpwr { 181 u8 ch; 182 u8 rsv[3]; 183 struct { 184 u8 ch; 185 u8 cck[4]; 186 u8 ofdm[8]; 187 u8 ht20[8]; 188 u8 ht40[9]; 189 u8 vht20[12]; 190 u8 vht40[12]; 191 u8 vht80[12]; 192 u8 vht160[12]; 193 u8 he26[12]; 194 u8 he52[12]; 195 u8 he106[12]; 196 u8 he242[12]; 197 u8 he484[12]; 198 u8 he996[12]; 199 u8 he996x2[12]; 200 } data[TXPWR_MAX_NUM]; 201 }; 202 203 enum { 204 MT_LMAC_AC00, 205 MT_LMAC_AC01, 206 MT_LMAC_AC02, 207 MT_LMAC_AC03, 208 MT_LMAC_ALTX0 = 0x10, 209 MT_LMAC_BMC0, 210 MT_LMAC_BCN0, 211 }; 212 213 static inline struct mt7921_phy * 214 mt7921_hw_phy(struct ieee80211_hw *hw) 215 { 216 struct mt76_phy *phy = hw->priv; 217 218 return phy->priv; 219 } 220 221 static inline struct mt7921_dev * 222 mt7921_hw_dev(struct ieee80211_hw *hw) 223 { 224 struct mt76_phy *phy = hw->priv; 225 226 return container_of(phy->dev, struct mt7921_dev, mt76); 227 } 228 229 #define mt7921_mutex_acquire(dev) \ 230 mt76_connac_mutex_acquire(&(dev)->mt76, &(dev)->pm) 231 #define mt7921_mutex_release(dev) \ 232 mt76_connac_mutex_release(&(dev)->mt76, &(dev)->pm) 233 234 static inline u8 mt7921_lmac_mapping(struct mt7921_dev *dev, u8 ac) 235 { 236 /* LMAC uses the reverse order of mac80211 AC indexes */ 237 return 3 - ac; 238 } 239 240 extern const struct ieee80211_ops mt7921_ops; 241 extern struct pci_driver mt7921_pci_driver; 242 243 u32 mt7921_reg_map(struct mt7921_dev *dev, u32 addr); 244 245 int __mt7921_start(struct mt7921_phy *phy); 246 int mt7921_register_device(struct mt7921_dev *dev); 247 void mt7921_unregister_device(struct mt7921_dev *dev); 248 int mt7921_dma_init(struct mt7921_dev *dev); 249 int mt7921_wpdma_reset(struct mt7921_dev *dev, bool force); 250 int mt7921_wpdma_reinit_cond(struct mt7921_dev *dev); 251 void mt7921_dma_cleanup(struct mt7921_dev *dev); 252 int mt7921_run_firmware(struct mt7921_dev *dev); 253 int mt7921_mcu_add_key(struct mt7921_dev *dev, struct ieee80211_vif *vif, 254 struct mt7921_sta *msta, struct ieee80211_key_conf *key, 255 enum set_key_cmd cmd); 256 int mt7921_mcu_sta_update(struct mt7921_dev *dev, struct ieee80211_sta *sta, 257 struct ieee80211_vif *vif, bool enable, 258 enum mt76_sta_info_state state); 259 int mt7921_mcu_set_chan_info(struct mt7921_phy *phy, int cmd); 260 int mt7921_mcu_set_tx(struct mt7921_dev *dev, struct ieee80211_vif *vif); 261 int mt7921_mcu_set_eeprom(struct mt7921_dev *dev); 262 int mt7921_mcu_get_eeprom(struct mt7921_dev *dev, u32 offset); 263 int mt7921_mcu_get_rx_rate(struct mt7921_phy *phy, struct ieee80211_vif *vif, 264 struct ieee80211_sta *sta, struct rate_info *rate); 265 int mt7921_mcu_fw_log_2_host(struct mt7921_dev *dev, u8 ctrl); 266 void mt7921_mcu_rx_event(struct mt7921_dev *dev, struct sk_buff *skb); 267 void mt7921_mcu_exit(struct mt7921_dev *dev); 268 269 static inline void mt7921_irq_enable(struct mt7921_dev *dev, u32 mask) 270 { 271 mt76_set_irq_mask(&dev->mt76, 0, 0, mask); 272 273 tasklet_schedule(&dev->irq_tasklet); 274 } 275 276 static inline u32 277 mt7921_reg_map_l1(struct mt7921_dev *dev, u32 addr) 278 { 279 u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr); 280 u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr); 281 282 mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base); 283 /* use read to push write */ 284 mt76_rr(dev, MT_HIF_REMAP_L1); 285 286 return MT_HIF_REMAP_BASE_L1 + offset; 287 } 288 289 static inline u32 290 mt7921_l1_rr(struct mt7921_dev *dev, u32 addr) 291 { 292 return mt76_rr(dev, mt7921_reg_map_l1(dev, addr)); 293 } 294 295 static inline void 296 mt7921_l1_wr(struct mt7921_dev *dev, u32 addr, u32 val) 297 { 298 mt76_wr(dev, mt7921_reg_map_l1(dev, addr), val); 299 } 300 301 static inline u32 302 mt7921_l1_rmw(struct mt7921_dev *dev, u32 addr, u32 mask, u32 val) 303 { 304 val |= mt7921_l1_rr(dev, addr) & ~mask; 305 mt7921_l1_wr(dev, addr, val); 306 307 return val; 308 } 309 310 #define mt7921_l1_set(dev, addr, val) mt7921_l1_rmw(dev, addr, 0, val) 311 #define mt7921_l1_clear(dev, addr, val) mt7921_l1_rmw(dev, addr, val, 0) 312 313 static inline bool mt7921_dma_need_reinit(struct mt7921_dev *dev) 314 { 315 return !mt76_get_field(dev, MT_WFDMA_DUMMY_CR, MT_WFDMA_NEED_REINIT); 316 } 317 318 static inline void mt7921_mcu_tx_cleanup(struct mt7921_dev *dev) 319 { 320 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WM], false); 321 mt76_queue_tx_cleanup(dev, dev->mt76.q_mcu[MT_MCUQ_WA], false); 322 } 323 324 int mt7921_mac_init(struct mt7921_dev *dev); 325 bool mt7921_mac_wtbl_update(struct mt7921_dev *dev, int idx, u32 mask); 326 void mt7921_mac_reset_counters(struct mt7921_phy *phy); 327 void mt7921_mac_set_timing(struct mt7921_phy *phy); 328 int mt7921_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif, 329 struct ieee80211_sta *sta); 330 void mt7921_mac_sta_assoc(struct mt76_dev *mdev, struct ieee80211_vif *vif, 331 struct ieee80211_sta *sta); 332 void mt7921_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif, 333 struct ieee80211_sta *sta); 334 void mt7921_mac_work(struct work_struct *work); 335 void mt7921_mac_reset_work(struct work_struct *work); 336 void mt7921_mac_update_mib_stats(struct mt7921_phy *phy); 337 void mt7921_reset(struct mt76_dev *mdev); 338 int mt7921e_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr, 339 enum mt76_txq_id qid, struct mt76_wcid *wcid, 340 struct ieee80211_sta *sta, 341 struct mt76_tx_info *tx_info); 342 343 void mt7921_tx_worker(struct mt76_worker *w); 344 void mt7921e_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e); 345 int mt7921_init_tx_queues(struct mt7921_phy *phy, int idx, int n_desc); 346 void mt7921_tx_token_put(struct mt7921_dev *dev); 347 void mt7921_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 348 struct sk_buff *skb); 349 void mt7921_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps); 350 void mt7921_stats_work(struct work_struct *work); 351 void mt7921_set_stream_he_caps(struct mt7921_phy *phy); 352 void mt7921_update_channel(struct mt76_phy *mphy); 353 int mt7921_init_debugfs(struct mt7921_dev *dev); 354 355 int mt7921_mcu_set_beacon_filter(struct mt7921_dev *dev, 356 struct ieee80211_vif *vif, 357 bool enable); 358 int mt7921_mcu_uni_tx_ba(struct mt7921_dev *dev, 359 struct ieee80211_ampdu_params *params, 360 bool enable); 361 int mt7921_mcu_uni_rx_ba(struct mt7921_dev *dev, 362 struct ieee80211_ampdu_params *params, 363 bool enable); 364 void mt7921_scan_work(struct work_struct *work); 365 int mt7921_mcu_uni_bss_ps(struct mt7921_dev *dev, struct ieee80211_vif *vif); 366 int mt7921_mcu_drv_pmctrl(struct mt7921_dev *dev); 367 int mt7921_mcu_fw_pmctrl(struct mt7921_dev *dev); 368 void mt7921_pm_wake_work(struct work_struct *work); 369 void mt7921_pm_power_save_work(struct work_struct *work); 370 bool mt7921_wait_for_mcu_init(struct mt7921_dev *dev); 371 void mt7921_coredump_work(struct work_struct *work); 372 int mt7921_wfsys_reset(struct mt7921_dev *dev); 373 int mt7921_get_txpwr_info(struct mt7921_dev *dev, struct mt7921_txpwr *txpwr); 374 int mt7921_testmode_cmd(struct ieee80211_hw *hw, struct ieee80211_vif *vif, 375 void *data, int len); 376 int mt7921_testmode_dump(struct ieee80211_hw *hw, struct sk_buff *msg, 377 struct netlink_callback *cb, void *data, int len); 378 void mt7921_mac_write_txwi(struct mt7921_dev *dev, __le32 *txwi, 379 struct sk_buff *skb, struct mt76_wcid *wcid, 380 struct ieee80211_key_conf *key, int pid, 381 bool beacon); 382 void mt7921_tx_check_aggr(struct ieee80211_sta *sta, __le32 *txwi); 383 void mt7921_mac_sta_poll(struct mt7921_dev *dev); 384 int mt7921_mcu_fill_message(struct mt76_dev *mdev, struct sk_buff *skb, 385 int cmd, int *wait_seq); 386 int mt7921_mcu_parse_response(struct mt76_dev *mdev, int cmd, 387 struct sk_buff *skb, int seq); 388 int mt7921_mcu_restart(struct mt76_dev *dev); 389 390 void mt7921e_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q, 391 struct sk_buff *skb); 392 int mt7921e_mac_reset(struct mt7921_dev *dev); 393 int mt7921e_mcu_init(struct mt7921_dev *dev); 394 int mt7921e_mcu_drv_pmctrl(struct mt7921_dev *dev); 395 int mt7921e_mcu_fw_pmctrl(struct mt7921_dev *dev); 396 397 #endif 398