drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h

   1 /* SPDX-License-Identifier: ISC */
   2 /* Copyright (C) 2020 MediaTek Inc. */
   3
   4 #ifndef __MT7915_H
   5 #define __MT7915_H
   6
   7 #include <linux/interrupt.h>
   8 #include <linux/ktime.h>
   9 #include "../mt76.h"
  10 #include "regs.h"
  11
  12 #define MT7915_MAX_INTERFACES           32
  13 #define MT7915_MAX_WMM_SETS             4
  14 #define MT7915_WTBL_SIZE                288
  15 #define MT7915_WTBL_RESERVED            (MT7915_WTBL_SIZE - 1)
  16 #define MT7915_WTBL_STA                 (MT7915_WTBL_RESERVED - \
  17                                          MT7915_MAX_INTERFACES)
  18
  19 #define MT7915_WATCHDOG_TIME            (HZ / 10)
  20 #define MT7915_RESET_TIMEOUT            (30 * HZ)
  21
  22 #define MT7915_TX_RING_SIZE             2048
  23 #define MT7915_TX_MCU_RING_SIZE         256
  24 #define MT7915_TX_FWDL_RING_SIZE        128
  25
  26 #define MT7915_RX_RING_SIZE             1536
  27 #define MT7915_RX_MCU_RING_SIZE         512
  28
  29 #define MT7915_FIRMWARE_WA              "mediatek/mt7915_wa.bin"
  30 #define MT7915_FIRMWARE_WM              "mediatek/mt7915_wm.bin"
  31 #define MT7915_ROM_PATCH                "mediatek/mt7915_rom_patch.bin"
  32
  33 #define MT7915_EEPROM_SIZE              3584
  34 #define MT7915_TOKEN_SIZE               8192
  35 #define MT7915_TOKEN_FREE_THR           64
  36
  37 #define MT7915_CFEND_RATE_DEFAULT       0x49    /* OFDM 24M */
  38 #define MT7915_CFEND_RATE_11B           0x03    /* 11B LP, 11M */
  39 #define MT7915_5G_RATE_DEFAULT          0x4b    /* OFDM 6M */
  40 #define MT7915_2G_RATE_DEFAULT          0x0     /* CCK 1M */
  41
  42 #define MT7915_SKU_RATE_NUM             161
  43 #define MT7915_SKU_MAX_DELTA_IDX        MT7915_SKU_RATE_NUM
  44 #define MT7915_SKU_TABLE_SIZE           (MT7915_SKU_RATE_NUM + 1)
  45
  46 struct mt7915_vif;
  47 struct mt7915_sta;
  48 struct mt7915_dfs_pulse;
  49 struct mt7915_dfs_pattern;
  50
  51 enum mt7915_txq_id {
  52         MT7915_TXQ_FWDL = 16,
  53         MT7915_TXQ_MCU_WM,
  54         MT7915_TXQ_BAND0,
  55         MT7915_TXQ_BAND1,
  56         MT7915_TXQ_MCU_WA,
  57 };
  58
  59 enum mt7915_rxq_id {
  60         MT7915_RXQ_BAND0 = 0,
  61         MT7915_RXQ_BAND1,
  62         MT7915_RXQ_MCU_WM = 0,
  63         MT7915_RXQ_MCU_WA,
  64 };
  65
  66 struct mt7915_sta_stats {
  67         struct rate_info prob_rate;
  68         struct rate_info tx_rate;
  69
  70         unsigned long per;
  71         unsigned long changed;
  72         unsigned long jiffies;
  73 };
  74
  75 struct mt7915_sta {
  76         struct mt76_wcid wcid; /* must be first */
  77
  78         struct mt7915_vif *vif;
  79
  80         struct list_head stats_list;
  81         struct list_head poll_list;
  82         struct list_head rc_list;
  83         u32 airtime_ac[8];
  84
  85         struct mt7915_sta_stats stats;
  86
  87         unsigned long ampdu_state;
  88 };
  89
  90 struct mt7915_vif {
  91         u16 idx;
  92         u8 omac_idx;
  93         u8 band_idx;
  94         u8 wmm_idx;
  95
  96         struct mt7915_sta sta;
  97         struct mt7915_phy *phy;
  98
  99         struct ieee80211_tx_queue_params queue_params[IEEE80211_NUM_ACS];
 100 };
 101
 102 struct mib_stats {
 103         u16 ack_fail_cnt;
 104         u16 fcs_err_cnt;
 105         u16 rts_cnt;
 106         u16 rts_retries_cnt;
 107         u16 ba_miss_cnt;
 108 };
 109
 110 struct mt7915_phy {
 111         struct mt76_phy *mt76;
 112         struct mt7915_dev *dev;
 113
 114         struct ieee80211_sband_iftype_data iftype[2][NUM_NL80211_IFTYPES];
 115
 116         struct ieee80211_vif *monitor_vif;
 117
 118         u32 rxfilter;
 119         u64 omac_mask;
 120
 121         u16 noise;
 122         u16 chainmask;
 123
 124         s16 coverage_class;
 125         u8 slottime;
 126
 127         u8 rdd_state;
 128         int dfs_state;
 129
 130         __le32 rx_ampdu_ts;
 131         u32 ampdu_ref;
 132
 133         struct mib_stats mib;
 134         struct list_head stats_list;
 135
 136         struct delayed_work mac_work;
 137         u8 mac_work_count;
 138         u8 sta_work_count;
 139 };
 140
 141 struct mt7915_dev {
 142         union { /* must be first */
 143                 struct mt76_dev mt76;
 144                 struct mt76_phy mphy;
 145         };
 146
 147         const struct mt76_bus_ops *bus_ops;
 148         struct mt7915_phy phy;
 149
 150         u16 chainmask;
 151
 152         struct work_struct init_work;
 153         struct work_struct rc_work;
 154         struct work_struct reset_work;
 155         wait_queue_head_t reset_wait;
 156         u32 reset_state;
 157
 158         struct list_head sta_rc_list;
 159         struct list_head sta_poll_list;
 160         spinlock_t sta_poll_lock;
 161
 162         u32 hw_pattern;
 163
 164         spinlock_t token_lock;
 165         int token_count;
 166         struct idr token;
 167
 168         s8 **rate_power; /* TODO: use mt76_rate_power */
 169
 170         bool dbdc_support;
 171         bool fw_debug;
 172
 173 #ifdef CONFIG_NL80211_TESTMODE
 174         struct {
 175                 u32 *reg_backup;
 176
 177                 s32 last_freq_offset;
 178                 u8 last_rcpi[4];
 179                 s8 last_ib_rssi[4];
 180                 s8 last_wb_rssi[4];
 181                 u8 last_snr;
 182
 183                 u8 spe_idx;
 184         } test;
 185 #endif
 186 };
 187
 188 enum {
 189         HW_BSSID_0 = 0x0,
 190         HW_BSSID_1,
 191         HW_BSSID_2,
 192         HW_BSSID_3,
 193         HW_BSSID_MAX = HW_BSSID_3,
 194         EXT_BSSID_START = 0x10,
 195         EXT_BSSID_1,
 196         EXT_BSSID_15 = 0x1f,
 197         EXT_BSSID_MAX = EXT_BSSID_15,
 198         REPEATER_BSSID_START = 0x20,
 199         REPEATER_BSSID_MAX = 0x3f,
 200 };
 201
 202 enum {
 203         MT_LMAC_AC00,
 204         MT_LMAC_AC01,
 205         MT_LMAC_AC02,
 206         MT_LMAC_AC03,
 207         MT_LMAC_ALTX0 = 0x10,
 208         MT_LMAC_BMC0,
 209         MT_LMAC_BCN0,
 210 };
 211
 212 enum {
 213         MT_RX_SEL0,
 214         MT_RX_SEL1,
 215 };
 216
 217 enum mt7915_rdd_cmd {
 218         RDD_STOP,
 219         RDD_START,
 220         RDD_DET_MODE,
 221         RDD_RADAR_EMULATE,
 222         RDD_START_TXQ = 20,
 223         RDD_CAC_START = 50,
 224         RDD_CAC_END,
 225         RDD_NORMAL_START,
 226         RDD_DISABLE_DFS_CAL,
 227         RDD_PULSE_DBG,
 228         RDD_READ_PULSE,
 229         RDD_RESUME_BF,
 230         RDD_IRQ_OFF,
 231 };
 232
 233 enum {
 234         RATE_CTRL_RU_INFO,
 235         RATE_CTRL_FIXED_RATE_INFO,
 236         RATE_CTRL_DUMP_INFO,
 237         RATE_CTRL_MU_INFO,
 238 };
 239
 240 static inline struct mt7915_phy *
 241 mt7915_hw_phy(struct ieee80211_hw *hw)
 242 {
 243         struct mt76_phy *phy = hw->priv;
 244
 245         return phy->priv;
 246 }
 247
 248 static inline struct mt7915_dev *
 249 mt7915_hw_dev(struct ieee80211_hw *hw)
 250 {
 251         struct mt76_phy *phy = hw->priv;
 252
 253         return container_of(phy->dev, struct mt7915_dev, mt76);
 254 }
 255
 256 static inline struct mt7915_phy *
 257 mt7915_ext_phy(struct mt7915_dev *dev)
 258 {
 259         struct mt76_phy *phy = dev->mt76.phy2;
 260
 261         if (!phy)
 262                 return NULL;
 263
 264         return phy->priv;
 265 }
 266
 267 static inline u8 mt7915_lmac_mapping(struct mt7915_dev *dev, u8 ac)
 268 {
 269         /* LMAC uses the reverse order of mac80211 AC indexes */
 270         return 3 - ac;
 271 }
 272
 273 extern const struct ieee80211_ops mt7915_ops;
 274 extern struct pci_driver mt7915_pci_driver;
 275 extern const struct mt76_testmode_ops mt7915_testmode_ops;
 276
 277 u32 mt7915_reg_map(struct mt7915_dev *dev, u32 addr);
 278
 279 int mt7915_register_device(struct mt7915_dev *dev);
 280 void mt7915_unregister_device(struct mt7915_dev *dev);
 281 int mt7915_eeprom_init(struct mt7915_dev *dev);
 282 void mt7915_eeprom_parse_band_config(struct mt7915_phy *phy);
 283 int mt7915_eeprom_get_target_power(struct mt7915_dev *dev,
 284                                    struct ieee80211_channel *chan,
 285                                    u8 chain_idx);
 286 void mt7915_eeprom_init_sku(struct mt7915_dev *dev);
 287 int mt7915_dma_init(struct mt7915_dev *dev);
 288 void mt7915_dma_prefetch(struct mt7915_dev *dev);
 289 void mt7915_dma_cleanup(struct mt7915_dev *dev);
 290 int mt7915_mcu_init(struct mt7915_dev *dev);
 291 int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
 292                             struct ieee80211_vif *vif, bool enable);
 293 int mt7915_mcu_add_bss_info(struct mt7915_phy *phy,
 294                             struct ieee80211_vif *vif, int enable);
 295 int mt7915_mcu_add_sta(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 296                        struct ieee80211_sta *sta, bool enable);
 297 int mt7915_mcu_add_sta_adv(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 298                            struct ieee80211_sta *sta, bool enable);
 299 int mt7915_mcu_sta_update_hdr_trans(struct mt7915_dev *dev,
 300                                     struct ieee80211_vif *vif,
 301                                     struct ieee80211_sta *sta);
 302 int mt7915_mcu_add_tx_ba(struct mt7915_dev *dev,
 303                          struct ieee80211_ampdu_params *params,
 304                          bool add);
 305 int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
 306                          struct ieee80211_ampdu_params *params,
 307                          bool add);
 308 int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 309                        struct mt7915_sta *msta, struct ieee80211_key_conf *key,
 310                        enum set_key_cmd cmd);
 311 int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 312                           int enable);
 313 int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 314                             bool enable);
 315 int mt7915_mcu_add_rate_ctrl(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 316                              struct ieee80211_sta *sta);
 317 int mt7915_mcu_add_smps(struct mt7915_dev *dev, struct ieee80211_vif *vif,
 318                         struct ieee80211_sta *sta);
 319 int mt7915_set_channel(struct mt7915_phy *phy);
 320 int mt7915_mcu_set_chan_info(struct mt7915_phy *phy, int cmd);
 321 int mt7915_mcu_set_tx(struct mt7915_dev *dev, struct ieee80211_vif *vif);
 322 int mt7915_mcu_set_fixed_rate(struct mt7915_dev *dev,
 323                               struct ieee80211_sta *sta, u32 rate);
 324 int mt7915_mcu_set_eeprom(struct mt7915_dev *dev);
 325 int mt7915_mcu_get_eeprom(struct mt7915_dev *dev, u32 offset);
 326 int mt7915_mcu_set_mac(struct mt7915_dev *dev, int band, bool enable,
 327                        bool hdr_trans);
 328 int mt7915_mcu_set_test_param(struct mt7915_dev *dev, u8 param, bool test_mode,
 329                               u8 en);
 330 int mt7915_mcu_set_scs(struct mt7915_dev *dev, u8 band, bool enable);
 331 int mt7915_mcu_set_ser(struct mt7915_dev *dev, u8 action, u8 set, u8 band);
 332 int mt7915_mcu_set_rts_thresh(struct mt7915_phy *phy, u32 val);
 333 int mt7915_mcu_set_pm(struct mt7915_dev *dev, int band, int enter);
 334 int mt7915_mcu_set_sku_en(struct mt7915_phy *phy, bool enable);
 335 int mt7915_mcu_set_sku(struct mt7915_phy *phy);
 336 int mt7915_mcu_set_txbf_type(struct mt7915_dev *dev);
 337 int mt7915_mcu_set_txbf_sounding(struct mt7915_dev *dev);
 338 int mt7915_mcu_set_fcc5_lpn(struct mt7915_dev *dev, int val);
 339 int mt7915_mcu_set_pulse_th(struct mt7915_dev *dev,
 340                             const struct mt7915_dfs_pulse *pulse);
 341 int mt7915_mcu_set_radar_th(struct mt7915_dev *dev, int index,
 342                             const struct mt7915_dfs_pattern *pattern);
 343 int mt7915_mcu_get_temperature(struct mt7915_dev *dev, int index);
 344 int mt7915_mcu_get_tx_rate(struct mt7915_dev *dev, u32 cmd, u16 wlan_idx);
 345 int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
 346                            struct ieee80211_sta *sta, struct rate_info *rate);
 347 int mt7915_mcu_rdd_cmd(struct mt7915_dev *dev, enum mt7915_rdd_cmd cmd,
 348                        u8 index, u8 rx_sel, u8 val);
 349 int mt7915_mcu_fw_log_2_host(struct mt7915_dev *dev, u8 ctrl);
 350 int mt7915_mcu_fw_dbg_ctrl(struct mt7915_dev *dev, u32 module, u8 level);
 351 void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb);
 352 void mt7915_mcu_exit(struct mt7915_dev *dev);
 353
 354 static inline bool is_mt7915(struct mt76_dev *dev)
 355 {
 356         return mt76_chip(dev) == 0x7915;
 357 }
 358
 359 static inline void mt7915_irq_enable(struct mt7915_dev *dev, u32 mask)
 360 {
 361         mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, 0, mask);
 362 }
 363
 364 static inline void mt7915_irq_disable(struct mt7915_dev *dev, u32 mask)
 365 {
 366         mt76_set_irq_mask(&dev->mt76, MT_INT_MASK_CSR, mask, 0);
 367 }
 368
 369 static inline u32
 370 mt7915_reg_map_l1(struct mt7915_dev *dev, u32 addr)
 371 {
 372         u32 offset = FIELD_GET(MT_HIF_REMAP_L1_OFFSET, addr);
 373         u32 base = FIELD_GET(MT_HIF_REMAP_L1_BASE, addr);
 374
 375         mt76_rmw_field(dev, MT_HIF_REMAP_L1, MT_HIF_REMAP_L1_MASK, base);
 376         /* use read to push write */
 377         mt76_rr(dev, MT_HIF_REMAP_L1);
 378
 379         return MT_HIF_REMAP_BASE_L1 + offset;
 380 }
 381
 382 static inline u32
 383 mt7915_l1_rr(struct mt7915_dev *dev, u32 addr)
 384 {
 385         return mt76_rr(dev, mt7915_reg_map_l1(dev, addr));
 386 }
 387
 388 static inline void
 389 mt7915_l1_wr(struct mt7915_dev *dev, u32 addr, u32 val)
 390 {
 391         mt76_wr(dev, mt7915_reg_map_l1(dev, addr), val);
 392 }
 393
 394 static inline u32
 395 mt7915_l1_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
 396 {
 397         val |= mt7915_l1_rr(dev, addr) & ~mask;
 398         mt7915_l1_wr(dev, addr, val);
 399
 400         return val;
 401 }
 402
 403 #define mt7915_l1_set(dev, addr, val)   mt7915_l1_rmw(dev, addr, 0, val)
 404 #define mt7915_l1_clear(dev, addr, val) mt7915_l1_rmw(dev, addr, val, 0)
 405
 406 static inline u32
 407 mt7915_reg_map_l2(struct mt7915_dev *dev, u32 addr)
 408 {
 409         u32 offset = FIELD_GET(MT_HIF_REMAP_L2_OFFSET, addr);
 410         u32 base = FIELD_GET(MT_HIF_REMAP_L2_BASE, addr);
 411
 412         mt76_rmw_field(dev, MT_HIF_REMAP_L2, MT_HIF_REMAP_L2_MASK, base);
 413         /* use read to push write */
 414         mt76_rr(dev, MT_HIF_REMAP_L2);
 415
 416         return MT_HIF_REMAP_BASE_L2 + offset;
 417 }
 418
 419 static inline u32
 420 mt7915_l2_rr(struct mt7915_dev *dev, u32 addr)
 421 {
 422         return mt76_rr(dev, mt7915_reg_map_l2(dev, addr));
 423 }
 424
 425 static inline void
 426 mt7915_l2_wr(struct mt7915_dev *dev, u32 addr, u32 val)
 427 {
 428         mt76_wr(dev, mt7915_reg_map_l2(dev, addr), val);
 429 }
 430
 431 static inline u32
 432 mt7915_l2_rmw(struct mt7915_dev *dev, u32 addr, u32 mask, u32 val)
 433 {
 434         val |= mt7915_l2_rr(dev, addr) & ~mask;
 435         mt7915_l2_wr(dev, addr, val);
 436
 437         return val;
 438 }
 439
 440 #define mt7915_l2_set(dev, addr, val)   mt7915_l2_rmw(dev, addr, 0, val)
 441 #define mt7915_l2_clear(dev, addr, val) mt7915_l2_rmw(dev, addr, val, 0)
 442
 443 bool mt7915_mac_wtbl_update(struct mt7915_dev *dev, int idx, u32 mask);
 444 void mt7915_mac_reset_counters(struct mt7915_phy *phy);
 445 void mt7915_mac_cca_stats_reset(struct mt7915_phy *phy);
 446 void mt7915_mac_enable_nf(struct mt7915_dev *dev, bool ext_phy);
 447 void mt7915_mac_write_txwi(struct mt7915_dev *dev, __le32 *txwi,
 448                            struct sk_buff *skb, struct mt76_wcid *wcid,
 449                            struct ieee80211_key_conf *key, bool beacon);
 450 void mt7915_mac_set_timing(struct mt7915_phy *phy);
 451 int mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb);
 452 void mt7915_mac_fill_rx_vector(struct mt7915_dev *dev, struct sk_buff *skb);
 453 void mt7915_mac_tx_free(struct mt7915_dev *dev, struct sk_buff *skb);
 454 int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 455                        struct ieee80211_sta *sta);
 456 void mt7915_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
 457                            struct ieee80211_sta *sta);
 458 void mt7915_mac_work(struct work_struct *work);
 459 void mt7915_mac_reset_work(struct work_struct *work);
 460 void mt7915_mac_sta_rc_work(struct work_struct *work);
 461 int mt7915_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 mt7915_tx_complete_skb(struct mt76_dev *mdev, struct mt76_queue_entry *e);
 466 int mt7915_init_tx_queues(struct mt7915_phy *phy, int idx, int n_desc);
 467 void mt7915_queue_rx_skb(struct mt76_dev *mdev, enum mt76_rxq_id q,
 468                          struct sk_buff *skb);
 469 void mt7915_sta_ps(struct mt76_dev *mdev, struct ieee80211_sta *sta, bool ps);
 470 void mt7915_stats_work(struct work_struct *work);
 471 void mt7915_txp_skb_unmap(struct mt76_dev *dev,
 472                           struct mt76_txwi_cache *txwi);
 473 int mt76_dfs_start_rdd(struct mt7915_dev *dev, bool force);
 474 int mt7915_dfs_init_radar_detector(struct mt7915_phy *phy);
 475 void mt7915_set_stream_he_caps(struct mt7915_phy *phy);
 476 void mt7915_set_stream_vht_txbf_caps(struct mt7915_phy *phy);
 477 void mt7915_update_channel(struct mt76_dev *mdev);
 478 int mt7915_init_debugfs(struct mt7915_dev *dev);
 479 #ifdef CONFIG_MAC80211_DEBUGFS
 480 void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 481                             struct ieee80211_sta *sta, struct dentry *dir);
 482 #endif
 483
 484 #endif