drivers/net/wireless/realtek/rtw88/main.c

   1 // SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause
   2 /* Copyright(c) 2018-2019  Realtek Corporation
   3  */
   4
   5 #include "main.h"
   6 #include "regd.h"
   7 #include "fw.h"
   8 #include "ps.h"
   9 #include "sec.h"
  10 #include "mac.h"
  11 #include "phy.h"
  12 #include "reg.h"
  13 #include "efuse.h"
  14 #include "debug.h"
  15
  16 static bool rtw_fw_support_lps;
  17 unsigned int rtw_debug_mask;
  18 EXPORT_SYMBOL(rtw_debug_mask);
  19
  20 module_param_named(support_lps, rtw_fw_support_lps, bool, 0644);
  21 module_param_named(debug_mask, rtw_debug_mask, uint, 0644);
  22
  23 MODULE_PARM_DESC(support_lps, "Set Y to enable LPS support");
  24 MODULE_PARM_DESC(debug_mask, "Debugging mask");
  25
  26 static struct ieee80211_channel rtw_channeltable_2g[] = {
  27         {.center_freq = 2412, .hw_value = 1,},
  28         {.center_freq = 2417, .hw_value = 2,},
  29         {.center_freq = 2422, .hw_value = 3,},
  30         {.center_freq = 2427, .hw_value = 4,},
  31         {.center_freq = 2432, .hw_value = 5,},
  32         {.center_freq = 2437, .hw_value = 6,},
  33         {.center_freq = 2442, .hw_value = 7,},
  34         {.center_freq = 2447, .hw_value = 8,},
  35         {.center_freq = 2452, .hw_value = 9,},
  36         {.center_freq = 2457, .hw_value = 10,},
  37         {.center_freq = 2462, .hw_value = 11,},
  38         {.center_freq = 2467, .hw_value = 12,},
  39         {.center_freq = 2472, .hw_value = 13,},
  40         {.center_freq = 2484, .hw_value = 14,},
  41 };
  42
  43 static struct ieee80211_channel rtw_channeltable_5g[] = {
  44         {.center_freq = 5180, .hw_value = 36,},
  45         {.center_freq = 5200, .hw_value = 40,},
  46         {.center_freq = 5220, .hw_value = 44,},
  47         {.center_freq = 5240, .hw_value = 48,},
  48         {.center_freq = 5260, .hw_value = 52,},
  49         {.center_freq = 5280, .hw_value = 56,},
  50         {.center_freq = 5300, .hw_value = 60,},
  51         {.center_freq = 5320, .hw_value = 64,},
  52         {.center_freq = 5500, .hw_value = 100,},
  53         {.center_freq = 5520, .hw_value = 104,},
  54         {.center_freq = 5540, .hw_value = 108,},
  55         {.center_freq = 5560, .hw_value = 112,},
  56         {.center_freq = 5580, .hw_value = 116,},
  57         {.center_freq = 5600, .hw_value = 120,},
  58         {.center_freq = 5620, .hw_value = 124,},
  59         {.center_freq = 5640, .hw_value = 128,},
  60         {.center_freq = 5660, .hw_value = 132,},
  61         {.center_freq = 5680, .hw_value = 136,},
  62         {.center_freq = 5700, .hw_value = 140,},
  63         {.center_freq = 5745, .hw_value = 149,},
  64         {.center_freq = 5765, .hw_value = 153,},
  65         {.center_freq = 5785, .hw_value = 157,},
  66         {.center_freq = 5805, .hw_value = 161,},
  67         {.center_freq = 5825, .hw_value = 165,
  68          .flags = IEEE80211_CHAN_NO_HT40MINUS},
  69 };
  70
  71 static struct ieee80211_rate rtw_ratetable[] = {
  72         {.bitrate = 10, .hw_value = 0x00,},
  73         {.bitrate = 20, .hw_value = 0x01,},
  74         {.bitrate = 55, .hw_value = 0x02,},
  75         {.bitrate = 110, .hw_value = 0x03,},
  76         {.bitrate = 60, .hw_value = 0x04,},
  77         {.bitrate = 90, .hw_value = 0x05,},
  78         {.bitrate = 120, .hw_value = 0x06,},
  79         {.bitrate = 180, .hw_value = 0x07,},
  80         {.bitrate = 240, .hw_value = 0x08,},
  81         {.bitrate = 360, .hw_value = 0x09,},
  82         {.bitrate = 480, .hw_value = 0x0a,},
  83         {.bitrate = 540, .hw_value = 0x0b,},
  84 };
  85
  86 static struct ieee80211_supported_band rtw_band_2ghz = {
  87         .band = NL80211_BAND_2GHZ,
  88
  89         .channels = rtw_channeltable_2g,
  90         .n_channels = ARRAY_SIZE(rtw_channeltable_2g),
  91
  92         .bitrates = rtw_ratetable,
  93         .n_bitrates = ARRAY_SIZE(rtw_ratetable),
  94
  95         .ht_cap = {0},
  96         .vht_cap = {0},
  97 };
  98
  99 static struct ieee80211_supported_band rtw_band_5ghz = {
 100         .band = NL80211_BAND_5GHZ,
 101
 102         .channels = rtw_channeltable_5g,
 103         .n_channels = ARRAY_SIZE(rtw_channeltable_5g),
 104
 105         /* 5G has no CCK rates */
 106         .bitrates = rtw_ratetable + 4,
 107         .n_bitrates = ARRAY_SIZE(rtw_ratetable) - 4,
 108
 109         .ht_cap = {0},
 110         .vht_cap = {0},
 111 };
 112
 113 struct rtw_watch_dog_iter_data {
 114         struct rtw_vif *rtwvif;
 115         bool active;
 116         u8 assoc_cnt;
 117 };
 118
 119 static void rtw_vif_watch_dog_iter(void *data, u8 *mac,
 120                                    struct ieee80211_vif *vif)
 121 {
 122         struct rtw_watch_dog_iter_data *iter_data = data;
 123         struct rtw_vif *rtwvif = (struct rtw_vif *)vif->drv_priv;
 124
 125         if (vif->type == NL80211_IFTYPE_STATION) {
 126                 if (vif->bss_conf.assoc) {
 127                         iter_data->assoc_cnt++;
 128                         iter_data->rtwvif = rtwvif;
 129                 }
 130                 if (rtwvif->stats.tx_cnt > RTW_LPS_THRESHOLD ||
 131                     rtwvif->stats.rx_cnt > RTW_LPS_THRESHOLD)
 132                         iter_data->active = true;
 133         } else {
 134                 /* only STATION mode can enter lps */
 135                 iter_data->active = true;
 136         }
 137
 138         rtwvif->stats.tx_unicast = 0;
 139         rtwvif->stats.rx_unicast = 0;
 140         rtwvif->stats.tx_cnt = 0;
 141         rtwvif->stats.rx_cnt = 0;
 142 }
 143
 144 /* process TX/RX statistics periodically for hardware,
 145  * the information helps hardware to enhance performance
 146  */
 147 static void rtw_watch_dog_work(struct work_struct *work)
 148 {
 149         struct rtw_dev *rtwdev = container_of(work, struct rtw_dev,
 150                                               watch_dog_work.work);
 151         struct rtw_watch_dog_iter_data data = {};
 152
 153         if (!rtw_flag_check(rtwdev, RTW_FLAG_RUNNING))
 154                 return;
 155
 156         ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
 157                                      RTW_WATCH_DOG_DELAY_TIME);
 158
 159         /* reset tx/rx statictics */
 160         rtwdev->stats.tx_unicast = 0;
 161         rtwdev->stats.rx_unicast = 0;
 162         rtwdev->stats.tx_cnt = 0;
 163         rtwdev->stats.rx_cnt = 0;
 164
 165         rtw_iterate_vifs(rtwdev, rtw_vif_watch_dog_iter, &data);
 166
 167         /* fw supports only one station associated to enter lps, if there are
 168          * more than two stations associated to the AP, then we can not enter
 169          * lps, because fw does not handle the overlapped beacon interval
 170          */
 171         if (rtw_fw_support_lps &&
 172             data.rtwvif && !data.active && data.assoc_cnt == 1)
 173                 rtw_enter_lps(rtwdev, data.rtwvif);
 174
 175         if (rtw_flag_check(rtwdev, RTW_FLAG_SCANNING))
 176                 return;
 177
 178         rtw_phy_dynamic_mechanism(rtwdev);
 179
 180         rtwdev->watch_dog_cnt++;
 181 }
 182
 183 static void rtw_c2h_work(struct work_struct *work)
 184 {
 185         struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, c2h_work);
 186         struct sk_buff *skb, *tmp;
 187
 188         skb_queue_walk_safe(&rtwdev->c2h_queue, skb, tmp) {
 189                 skb_unlink(skb, &rtwdev->c2h_queue);
 190                 rtw_fw_c2h_cmd_handle(rtwdev, skb);
 191                 dev_kfree_skb_any(skb);
 192         }
 193 }
 194
 195 void rtw_get_channel_params(struct cfg80211_chan_def *chandef,
 196                             struct rtw_channel_params *chan_params)
 197 {
 198         struct ieee80211_channel *channel = chandef->chan;
 199         enum nl80211_chan_width width = chandef->width;
 200         u32 primary_freq, center_freq;
 201         u8 center_chan;
 202         u8 bandwidth = RTW_CHANNEL_WIDTH_20;
 203         u8 primary_chan_idx = 0;
 204
 205         center_chan = channel->hw_value;
 206         primary_freq = channel->center_freq;
 207         center_freq = chandef->center_freq1;
 208
 209         switch (width) {
 210         case NL80211_CHAN_WIDTH_20_NOHT:
 211         case NL80211_CHAN_WIDTH_20:
 212                 bandwidth = RTW_CHANNEL_WIDTH_20;
 213                 primary_chan_idx = 0;
 214                 break;
 215         case NL80211_CHAN_WIDTH_40:
 216                 bandwidth = RTW_CHANNEL_WIDTH_40;
 217                 if (primary_freq > center_freq) {
 218                         primary_chan_idx = 1;
 219                         center_chan -= 2;
 220                 } else {
 221                         primary_chan_idx = 2;
 222                         center_chan += 2;
 223                 }
 224                 break;
 225         case NL80211_CHAN_WIDTH_80:
 226                 bandwidth = RTW_CHANNEL_WIDTH_80;
 227                 if (primary_freq > center_freq) {
 228                         if (primary_freq - center_freq == 10) {
 229                                 primary_chan_idx = 1;
 230                                 center_chan -= 2;
 231                         } else {
 232                                 primary_chan_idx = 3;
 233                                 center_chan -= 6;
 234                         }
 235                 } else {
 236                         if (center_freq - primary_freq == 10) {
 237                                 primary_chan_idx = 2;
 238                                 center_chan += 2;
 239                         } else {
 240                                 primary_chan_idx = 4;
 241                                 center_chan += 6;
 242                         }
 243                 }
 244                 break;
 245         default:
 246                 center_chan = 0;
 247                 break;
 248         }
 249
 250         chan_params->center_chan = center_chan;
 251         chan_params->bandwidth = bandwidth;
 252         chan_params->primary_chan_idx = primary_chan_idx;
 253 }
 254
 255 void rtw_set_channel(struct rtw_dev *rtwdev)
 256 {
 257         struct ieee80211_hw *hw = rtwdev->hw;
 258         struct rtw_hal *hal = &rtwdev->hal;
 259         struct rtw_chip_info *chip = rtwdev->chip;
 260         struct rtw_channel_params ch_param;
 261         u8 center_chan, bandwidth, primary_chan_idx;
 262
 263         rtw_get_channel_params(&hw->conf.chandef, &ch_param);
 264         if (WARN(ch_param.center_chan == 0, "Invalid channel\n"))
 265                 return;
 266
 267         center_chan = ch_param.center_chan;
 268         bandwidth = ch_param.bandwidth;
 269         primary_chan_idx = ch_param.primary_chan_idx;
 270
 271         hal->current_band_width = bandwidth;
 272         hal->current_channel = center_chan;
 273         hal->current_band_type = center_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
 274         chip->ops->set_channel(rtwdev, center_chan, bandwidth, primary_chan_idx);
 275
 276         rtw_phy_set_tx_power_level(rtwdev, center_chan);
 277 }
 278
 279 static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr)
 280 {
 281         int i;
 282
 283         for (i = 0; i < ETH_ALEN; i++)
 284                 rtw_write8(rtwdev, start + i, addr[i]);
 285 }
 286
 287 void rtw_vif_port_config(struct rtw_dev *rtwdev,
 288                          struct rtw_vif *rtwvif,
 289                          u32 config)
 290 {
 291         u32 addr, mask;
 292
 293         if (config & PORT_SET_MAC_ADDR) {
 294                 addr = rtwvif->conf->mac_addr.addr;
 295                 rtw_vif_write_addr(rtwdev, addr, rtwvif->mac_addr);
 296         }
 297         if (config & PORT_SET_BSSID) {
 298                 addr = rtwvif->conf->bssid.addr;
 299                 rtw_vif_write_addr(rtwdev, addr, rtwvif->bssid);
 300         }
 301         if (config & PORT_SET_NET_TYPE) {
 302                 addr = rtwvif->conf->net_type.addr;
 303                 mask = rtwvif->conf->net_type.mask;
 304                 rtw_write32_mask(rtwdev, addr, mask, rtwvif->net_type);
 305         }
 306         if (config & PORT_SET_AID) {
 307                 addr = rtwvif->conf->aid.addr;
 308                 mask = rtwvif->conf->aid.mask;
 309                 rtw_write32_mask(rtwdev, addr, mask, rtwvif->aid);
 310         }
 311 }
 312
 313 static u8 hw_bw_cap_to_bitamp(u8 bw_cap)
 314 {
 315         u8 bw = 0;
 316
 317         switch (bw_cap) {
 318         case EFUSE_HW_CAP_IGNORE:
 319         case EFUSE_HW_CAP_SUPP_BW80:
 320                 bw |= BIT(RTW_CHANNEL_WIDTH_80);
 321                 /* fall through */
 322         case EFUSE_HW_CAP_SUPP_BW40:
 323                 bw |= BIT(RTW_CHANNEL_WIDTH_40);
 324                 /* fall through */
 325         default:
 326                 bw |= BIT(RTW_CHANNEL_WIDTH_20);
 327                 break;
 328         }
 329
 330         return bw;
 331 }
 332
 333 static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
 334 {
 335         struct rtw_hal *hal = &rtwdev->hal;
 336
 337         if (hw_ant_num == EFUSE_HW_CAP_IGNORE ||
 338             hw_ant_num >= hal->rf_path_num)
 339                 return;
 340
 341         switch (hw_ant_num) {
 342         case 1:
 343                 hal->rf_type = RF_1T1R;
 344                 hal->rf_path_num = 1;
 345                 hal->antenna_tx = BB_PATH_A;
 346                 hal->antenna_rx = BB_PATH_A;
 347                 break;
 348         default:
 349                 WARN(1, "invalid hw configuration from efuse\n");
 350                 break;
 351         }
 352 }
 353
 354 static u64 get_vht_ra_mask(struct ieee80211_sta *sta)
 355 {
 356         u64 ra_mask = 0;
 357         u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
 358         u8 vht_mcs_cap;
 359         int i, nss;
 360
 361         /* 4SS, every two bits for MCS7/8/9 */
 362         for (i = 0, nss = 12; i < 4; i++, mcs_map >>= 2, nss += 10) {
 363                 vht_mcs_cap = mcs_map & 0x3;
 364                 switch (vht_mcs_cap) {
 365                 case 2: /* MCS9 */
 366                         ra_mask |= 0x3ffULL << nss;
 367                         break;
 368                 case 1: /* MCS8 */
 369                         ra_mask |= 0x1ffULL << nss;
 370                         break;
 371                 case 0: /* MCS7 */
 372                         ra_mask |= 0x0ffULL << nss;
 373                         break;
 374                 default:
 375                         break;
 376                 }
 377         }
 378
 379         return ra_mask;
 380 }
 381
 382 static u8 get_rate_id(u8 wireless_set, enum rtw_bandwidth bw_mode, u8 tx_num)
 383 {
 384         u8 rate_id = 0;
 385
 386         switch (wireless_set) {
 387         case WIRELESS_CCK:
 388                 rate_id = RTW_RATEID_B_20M;
 389                 break;
 390         case WIRELESS_OFDM:
 391                 rate_id = RTW_RATEID_G;
 392                 break;
 393         case WIRELESS_CCK | WIRELESS_OFDM:
 394                 rate_id = RTW_RATEID_BG;
 395                 break;
 396         case WIRELESS_OFDM | WIRELESS_HT:
 397                 if (tx_num == 1)
 398                         rate_id = RTW_RATEID_GN_N1SS;
 399                 else if (tx_num == 2)
 400                         rate_id = RTW_RATEID_GN_N2SS;
 401                 else if (tx_num == 3)
 402                         rate_id = RTW_RATEID_ARFR5_N_3SS;
 403                 break;
 404         case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_HT:
 405                 if (bw_mode == RTW_CHANNEL_WIDTH_40) {
 406                         if (tx_num == 1)
 407                                 rate_id = RTW_RATEID_BGN_40M_1SS;
 408                         else if (tx_num == 2)
 409                                 rate_id = RTW_RATEID_BGN_40M_2SS;
 410                         else if (tx_num == 3)
 411                                 rate_id = RTW_RATEID_ARFR5_N_3SS;
 412                         else if (tx_num == 4)
 413                                 rate_id = RTW_RATEID_ARFR7_N_4SS;
 414                 } else {
 415                         if (tx_num == 1)
 416                                 rate_id = RTW_RATEID_BGN_20M_1SS;
 417                         else if (tx_num == 2)
 418                                 rate_id = RTW_RATEID_BGN_20M_2SS;
 419                         else if (tx_num == 3)
 420                                 rate_id = RTW_RATEID_ARFR5_N_3SS;
 421                         else if (tx_num == 4)
 422                                 rate_id = RTW_RATEID_ARFR7_N_4SS;
 423                 }
 424                 break;
 425         case WIRELESS_OFDM | WIRELESS_VHT:
 426                 if (tx_num == 1)
 427                         rate_id = RTW_RATEID_ARFR1_AC_1SS;
 428                 else if (tx_num == 2)
 429                         rate_id = RTW_RATEID_ARFR0_AC_2SS;
 430                 else if (tx_num == 3)
 431                         rate_id = RTW_RATEID_ARFR4_AC_3SS;
 432                 else if (tx_num == 4)
 433                         rate_id = RTW_RATEID_ARFR6_AC_4SS;
 434                 break;
 435         case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_VHT:
 436                 if (bw_mode >= RTW_CHANNEL_WIDTH_80) {
 437                         if (tx_num == 1)
 438                                 rate_id = RTW_RATEID_ARFR1_AC_1SS;
 439                         else if (tx_num == 2)
 440                                 rate_id = RTW_RATEID_ARFR0_AC_2SS;
 441                         else if (tx_num == 3)
 442                                 rate_id = RTW_RATEID_ARFR4_AC_3SS;
 443                         else if (tx_num == 4)
 444                                 rate_id = RTW_RATEID_ARFR6_AC_4SS;
 445                 } else {
 446                         if (tx_num == 1)
 447                                 rate_id = RTW_RATEID_ARFR2_AC_2G_1SS;
 448                         else if (tx_num == 2)
 449                                 rate_id = RTW_RATEID_ARFR3_AC_2G_2SS;
 450                         else if (tx_num == 3)
 451                                 rate_id = RTW_RATEID_ARFR4_AC_3SS;
 452                         else if (tx_num == 4)
 453                                 rate_id = RTW_RATEID_ARFR6_AC_4SS;
 454                 }
 455                 break;
 456         default:
 457                 break;
 458         }
 459
 460         return rate_id;
 461 }
 462
 463 #define RA_MASK_CCK_RATES       0x0000f
 464 #define RA_MASK_OFDM_RATES      0x00ff0
 465 #define RA_MASK_HT_RATES_1SS    (0xff000ULL << 0)
 466 #define RA_MASK_HT_RATES_2SS    (0xff000ULL << 8)
 467 #define RA_MASK_HT_RATES_3SS    (0xff000ULL << 16)
 468 #define RA_MASK_HT_RATES        (RA_MASK_HT_RATES_1SS | \
 469                                  RA_MASK_HT_RATES_2SS | \
 470                                  RA_MASK_HT_RATES_3SS)
 471 #define RA_MASK_VHT_RATES_1SS   (0x3ff000ULL << 0)
 472 #define RA_MASK_VHT_RATES_2SS   (0x3ff000ULL << 10)
 473 #define RA_MASK_VHT_RATES_3SS   (0x3ff000ULL << 20)
 474 #define RA_MASK_VHT_RATES       (RA_MASK_VHT_RATES_1SS | \
 475                                  RA_MASK_VHT_RATES_2SS | \
 476                                  RA_MASK_VHT_RATES_3SS)
 477 #define RA_MASK_CCK_IN_HT       0x00005
 478 #define RA_MASK_CCK_IN_VHT      0x00005
 479 #define RA_MASK_OFDM_IN_VHT     0x00010
 480 #define RA_MASK_OFDM_IN_HT_2G   0x00010
 481 #define RA_MASK_OFDM_IN_HT_5G   0x00030
 482
 483 void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
 484 {
 485         struct ieee80211_sta *sta = si->sta;
 486         struct rtw_efuse *efuse = &rtwdev->efuse;
 487         struct rtw_hal *hal = &rtwdev->hal;
 488         u8 rssi_level;
 489         u8 wireless_set;
 490         u8 bw_mode;
 491         u8 rate_id;
 492         u8 rf_type = RF_1T1R;
 493         u8 stbc_en = 0;
 494         u8 ldpc_en = 0;
 495         u8 tx_num = 1;
 496         u64 ra_mask = 0;
 497         bool is_vht_enable = false;
 498         bool is_support_sgi = false;
 499
 500         if (sta->vht_cap.vht_supported) {
 501                 is_vht_enable = true;
 502                 ra_mask |= get_vht_ra_mask(sta);
 503                 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK)
 504                         stbc_en = VHT_STBC_EN;
 505                 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
 506                         ldpc_en = VHT_LDPC_EN;
 507                 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
 508                         is_support_sgi = true;
 509         } else if (sta->ht_cap.ht_supported) {
 510                 ra_mask |= (sta->ht_cap.mcs.rx_mask[NL80211_BAND_5GHZ] << 20) |
 511                            (sta->ht_cap.mcs.rx_mask[NL80211_BAND_2GHZ] << 12);
 512                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
 513                         stbc_en = HT_STBC_EN;
 514                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
 515                         ldpc_en = HT_LDPC_EN;
 516                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20 ||
 517                     sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
 518                         is_support_sgi = true;
 519         }
 520
 521         if (hal->current_band_type == RTW_BAND_5G) {
 522                 ra_mask |= (u64)sta->supp_rates[NL80211_BAND_5GHZ] << 4;
 523                 if (sta->vht_cap.vht_supported) {
 524                         ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT;
 525                         wireless_set = WIRELESS_OFDM | WIRELESS_VHT;
 526                 } else if (sta->ht_cap.ht_supported) {
 527                         ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G;
 528                         wireless_set = WIRELESS_OFDM | WIRELESS_HT;
 529                 } else {
 530                         wireless_set = WIRELESS_OFDM;
 531                 }
 532         } else if (hal->current_band_type == RTW_BAND_2G) {
 533                 ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ];
 534                 if (sta->vht_cap.vht_supported) {
 535                         ra_mask &= RA_MASK_VHT_RATES | RA_MASK_CCK_IN_VHT |
 536                                    RA_MASK_OFDM_IN_VHT;
 537                         wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
 538                                        WIRELESS_HT | WIRELESS_VHT;
 539                 } else if (sta->ht_cap.ht_supported) {
 540                         ra_mask &= RA_MASK_HT_RATES | RA_MASK_CCK_IN_HT |
 541                                    RA_MASK_OFDM_IN_HT_2G;
 542                         wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
 543                                        WIRELESS_HT;
 544                 } else if (sta->supp_rates[0] <= 0xf) {
 545                         wireless_set = WIRELESS_CCK;
 546                 } else {
 547                         wireless_set = WIRELESS_CCK | WIRELESS_OFDM;
 548                 }
 549         } else {
 550                 rtw_err(rtwdev, "Unknown band type\n");
 551                 wireless_set = 0;
 552         }
 553
 554         if (efuse->hw_cap.nss == 1) {
 555                 ra_mask &= RA_MASK_VHT_RATES_1SS;
 556                 ra_mask &= RA_MASK_HT_RATES_1SS;
 557         }
 558
 559         switch (sta->bandwidth) {
 560         case IEEE80211_STA_RX_BW_80:
 561                 bw_mode = RTW_CHANNEL_WIDTH_80;
 562                 break;
 563         case IEEE80211_STA_RX_BW_40:
 564                 bw_mode = RTW_CHANNEL_WIDTH_40;
 565                 break;
 566         default:
 567                 bw_mode = RTW_CHANNEL_WIDTH_20;
 568                 break;
 569         }
 570
 571         if (sta->vht_cap.vht_supported && ra_mask & 0xffc00000) {
 572                 tx_num = 2;
 573                 rf_type = RF_2T2R;
 574         } else if (sta->ht_cap.ht_supported && ra_mask & 0xfff00000) {
 575                 tx_num = 2;
 576                 rf_type = RF_2T2R;
 577         }
 578
 579         rate_id = get_rate_id(wireless_set, bw_mode, tx_num);
 580
 581         if (wireless_set != WIRELESS_CCK) {
 582                 rssi_level = si->rssi_level;
 583                 if (rssi_level == 0)
 584                         ra_mask &= 0xffffffffffffffffULL;
 585                 else if (rssi_level == 1)
 586                         ra_mask &= 0xfffffffffffffff0ULL;
 587                 else if (rssi_level == 2)
 588                         ra_mask &= 0xffffffffffffefe0ULL;
 589                 else if (rssi_level == 3)
 590                         ra_mask &= 0xffffffffffffcfc0ULL;
 591                 else if (rssi_level == 4)
 592                         ra_mask &= 0xffffffffffff8f80ULL;
 593                 else if (rssi_level >= 5)
 594                         ra_mask &= 0xffffffffffff0f00ULL;
 595         }
 596
 597         si->bw_mode = bw_mode;
 598         si->stbc_en = stbc_en;
 599         si->ldpc_en = ldpc_en;
 600         si->rf_type = rf_type;
 601         si->wireless_set = wireless_set;
 602         si->sgi_enable = is_support_sgi;
 603         si->vht_enable = is_vht_enable;
 604         si->ra_mask = ra_mask;
 605         si->rate_id = rate_id;
 606
 607         rtw_fw_send_ra_info(rtwdev, si);
 608 }
 609
 610 static int rtw_power_on(struct rtw_dev *rtwdev)
 611 {
 612         struct rtw_chip_info *chip = rtwdev->chip;
 613         struct rtw_fw_state *fw = &rtwdev->fw;
 614         int ret;
 615
 616         ret = rtw_hci_setup(rtwdev);
 617         if (ret) {
 618                 rtw_err(rtwdev, "failed to setup hci\n");
 619                 goto err;
 620         }
 621
 622         /* power on MAC before firmware downloaded */
 623         ret = rtw_mac_power_on(rtwdev);
 624         if (ret) {
 625                 rtw_err(rtwdev, "failed to power on mac\n");
 626                 goto err;
 627         }
 628
 629         wait_for_completion(&fw->completion);
 630         if (!fw->firmware) {
 631                 ret = -EINVAL;
 632                 rtw_err(rtwdev, "failed to load firmware\n");
 633                 goto err;
 634         }
 635
 636         ret = rtw_download_firmware(rtwdev, fw);
 637         if (ret) {
 638                 rtw_err(rtwdev, "failed to download firmware\n");
 639                 goto err_off;
 640         }
 641
 642         /* config mac after firmware downloaded */
 643         ret = rtw_mac_init(rtwdev);
 644         if (ret) {
 645                 rtw_err(rtwdev, "failed to configure mac\n");
 646                 goto err_off;
 647         }
 648
 649         chip->ops->phy_set_param(rtwdev);
 650
 651         ret = rtw_hci_start(rtwdev);
 652         if (ret) {
 653                 rtw_err(rtwdev, "failed to start hci\n");
 654                 goto err_off;
 655         }
 656
 657         return 0;
 658
 659 err_off:
 660         rtw_mac_power_off(rtwdev);
 661
 662 err:
 663         return ret;
 664 }
 665
 666 int rtw_core_start(struct rtw_dev *rtwdev)
 667 {
 668         int ret;
 669
 670         ret = rtw_power_on(rtwdev);
 671         if (ret)
 672                 return ret;
 673
 674         rtw_sec_enable_sec_engine(rtwdev);
 675
 676         /* rcr reset after powered on */
 677         rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
 678
 679         ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
 680                                      RTW_WATCH_DOG_DELAY_TIME);
 681
 682         rtw_flag_set(rtwdev, RTW_FLAG_RUNNING);
 683
 684         return 0;
 685 }
 686
 687 static void rtw_power_off(struct rtw_dev *rtwdev)
 688 {
 689         rtwdev->hci.ops->stop(rtwdev);
 690         rtw_mac_power_off(rtwdev);
 691 }
 692
 693 void rtw_core_stop(struct rtw_dev *rtwdev)
 694 {
 695         rtw_flag_clear(rtwdev, RTW_FLAG_RUNNING);
 696         rtw_flag_clear(rtwdev, RTW_FLAG_FW_RUNNING);
 697
 698         cancel_delayed_work_sync(&rtwdev->watch_dog_work);
 699
 700         rtw_power_off(rtwdev);
 701 }
 702
 703 static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
 704                             struct ieee80211_sta_ht_cap *ht_cap)
 705 {
 706         struct rtw_efuse *efuse = &rtwdev->efuse;
 707
 708         ht_cap->ht_supported = true;
 709         ht_cap->cap = 0;
 710         ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 |
 711                         IEEE80211_HT_CAP_MAX_AMSDU |
 712                         IEEE80211_HT_CAP_LDPC_CODING |
 713                         (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
 714         if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40))
 715                 ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 716                                 IEEE80211_HT_CAP_DSSSCCK40 |
 717                                 IEEE80211_HT_CAP_SGI_40;
 718         ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
 719         ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
 720         ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 721         if (efuse->hw_cap.nss > 1) {
 722                 ht_cap->mcs.rx_mask[0] = 0xFF;
 723                 ht_cap->mcs.rx_mask[1] = 0xFF;
 724                 ht_cap->mcs.rx_mask[4] = 0x01;
 725                 ht_cap->mcs.rx_highest = cpu_to_le16(300);
 726         } else {
 727                 ht_cap->mcs.rx_mask[0] = 0xFF;
 728                 ht_cap->mcs.rx_mask[1] = 0x00;
 729                 ht_cap->mcs.rx_mask[4] = 0x01;
 730                 ht_cap->mcs.rx_highest = cpu_to_le16(150);
 731         }
 732 }
 733
 734 static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
 735                              struct ieee80211_sta_vht_cap *vht_cap)
 736 {
 737         struct rtw_efuse *efuse = &rtwdev->efuse;
 738         u16 mcs_map;
 739         __le16 highest;
 740
 741         if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE &&
 742             efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT)
 743                 return;
 744
 745         vht_cap->vht_supported = true;
 746         vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
 747                        IEEE80211_VHT_CAP_RXLDPC |
 748                        IEEE80211_VHT_CAP_SHORT_GI_80 |
 749                        IEEE80211_VHT_CAP_TXSTBC |
 750                        IEEE80211_VHT_CAP_RXSTBC_1 |
 751                        IEEE80211_VHT_CAP_HTC_VHT |
 752                        IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
 753                        0;
 754         mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
 755                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
 756                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
 757                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
 758                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
 759                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
 760                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
 761         if (efuse->hw_cap.nss > 1) {
 762                 highest = cpu_to_le16(780);
 763                 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2;
 764         } else {
 765                 highest = cpu_to_le16(390);
 766                 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2;
 767         }
 768
 769         vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
 770         vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
 771         vht_cap->vht_mcs.rx_highest = highest;
 772         vht_cap->vht_mcs.tx_highest = highest;
 773 }
 774
 775 static void rtw_set_supported_band(struct ieee80211_hw *hw,
 776                                    struct rtw_chip_info *chip)
 777 {
 778         struct rtw_dev *rtwdev = hw->priv;
 779         struct ieee80211_supported_band *sband;
 780
 781         if (chip->band & RTW_BAND_2G) {
 782                 sband = kmemdup(&rtw_band_2ghz, sizeof(*sband), GFP_KERNEL);
 783                 if (!sband)
 784                         goto err_out;
 785                 if (chip->ht_supported)
 786                         rtw_init_ht_cap(rtwdev, &sband->ht_cap);
 787                 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
 788         }
 789
 790         if (chip->band & RTW_BAND_5G) {
 791                 sband = kmemdup(&rtw_band_5ghz, sizeof(*sband), GFP_KERNEL);
 792                 if (!sband)
 793                         goto err_out;
 794                 if (chip->ht_supported)
 795                         rtw_init_ht_cap(rtwdev, &sband->ht_cap);
 796                 if (chip->vht_supported)
 797                         rtw_init_vht_cap(rtwdev, &sband->vht_cap);
 798                 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
 799         }
 800
 801         return;
 802
 803 err_out:
 804         rtw_err(rtwdev, "failed to set supported band\n");
 805         kfree(sband);
 806 }
 807
 808 static void rtw_unset_supported_band(struct ieee80211_hw *hw,
 809                                      struct rtw_chip_info *chip)
 810 {
 811         kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]);
 812         kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
 813 }
 814
 815 static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
 816 {
 817         struct rtw_dev *rtwdev = context;
 818         struct rtw_fw_state *fw = &rtwdev->fw;
 819
 820         if (!firmware)
 821                 rtw_err(rtwdev, "failed to request firmware\n");
 822
 823         fw->firmware = firmware;
 824         complete_all(&fw->completion);
 825 }
 826
 827 static int rtw_load_firmware(struct rtw_dev *rtwdev, const char *fw_name)
 828 {
 829         struct rtw_fw_state *fw = &rtwdev->fw;
 830         int ret;
 831
 832         init_completion(&fw->completion);
 833
 834         ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev,
 835                                       GFP_KERNEL, rtwdev, rtw_load_firmware_cb);
 836         if (ret) {
 837                 rtw_err(rtwdev, "async firmware request failed\n");
 838                 return ret;
 839         }
 840
 841         return 0;
 842 }
 843
 844 static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
 845 {
 846         struct rtw_chip_info *chip = rtwdev->chip;
 847         struct rtw_hal *hal = &rtwdev->hal;
 848         struct rtw_efuse *efuse = &rtwdev->efuse;
 849         u32 wl_bt_pwr_ctrl;
 850         int ret = 0;
 851
 852         switch (rtw_hci_type(rtwdev)) {
 853         case RTW_HCI_TYPE_PCIE:
 854                 rtwdev->hci.rpwm_addr = 0x03d9;
 855                 break;
 856         default:
 857                 rtw_err(rtwdev, "unsupported hci type\n");
 858                 return -EINVAL;
 859         }
 860
 861         wl_bt_pwr_ctrl = rtw_read32(rtwdev, REG_WL_BT_PWR_CTRL);
 862         if (wl_bt_pwr_ctrl & BIT_BT_FUNC_EN)
 863                 rtwdev->efuse.btcoex = true;
 864         hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1);
 865         hal->fab_version = BIT_GET_VENDOR_ID(hal->chip_version) >> 2;
 866         hal->cut_version = BIT_GET_CHIP_VER(hal->chip_version);
 867         hal->mp_chip = (hal->chip_version & BIT_RTL_ID) ? 0 : 1;
 868         if (hal->chip_version & BIT_RF_TYPE_ID) {
 869                 hal->rf_type = RF_2T2R;
 870                 hal->rf_path_num = 2;
 871                 hal->antenna_tx = BB_PATH_AB;
 872                 hal->antenna_rx = BB_PATH_AB;
 873         } else {
 874                 hal->rf_type = RF_1T1R;
 875                 hal->rf_path_num = 1;
 876                 hal->antenna_tx = BB_PATH_A;
 877                 hal->antenna_rx = BB_PATH_A;
 878         }
 879
 880         if (hal->fab_version == 2)
 881                 hal->fab_version = 1;
 882         else if (hal->fab_version == 1)
 883                 hal->fab_version = 2;
 884
 885         efuse->physical_size = chip->phy_efuse_size;
 886         efuse->logical_size = chip->log_efuse_size;
 887         efuse->protect_size = chip->ptct_efuse_size;
 888
 889         /* default use ack */
 890         rtwdev->hal.rcr |= BIT_VHT_DACK;
 891
 892         return ret;
 893 }
 894
 895 static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev)
 896 {
 897         struct rtw_fw_state *fw = &rtwdev->fw;
 898         int ret;
 899
 900         ret = rtw_hci_setup(rtwdev);
 901         if (ret) {
 902                 rtw_err(rtwdev, "failed to setup hci\n");
 903                 goto err;
 904         }
 905
 906         ret = rtw_mac_power_on(rtwdev);
 907         if (ret) {
 908                 rtw_err(rtwdev, "failed to power on mac\n");
 909                 goto err;
 910         }
 911
 912         rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP);
 913
 914         wait_for_completion(&fw->completion);
 915         if (!fw->firmware) {
 916                 ret = -EINVAL;
 917                 rtw_err(rtwdev, "failed to load firmware\n");
 918                 goto err;
 919         }
 920
 921         ret = rtw_download_firmware(rtwdev, fw);
 922         if (ret) {
 923                 rtw_err(rtwdev, "failed to download firmware\n");
 924                 goto err_off;
 925         }
 926
 927         return 0;
 928
 929 err_off:
 930         rtw_mac_power_off(rtwdev);
 931
 932 err:
 933         return ret;
 934 }
 935
 936 static int rtw_dump_hw_feature(struct rtw_dev *rtwdev)
 937 {
 938         struct rtw_efuse *efuse = &rtwdev->efuse;
 939         u8 hw_feature[HW_FEATURE_LEN];
 940         u8 id;
 941         u8 bw;
 942         int i;
 943
 944         id = rtw_read8(rtwdev, REG_C2HEVT);
 945         if (id != C2H_HW_FEATURE_REPORT) {
 946                 rtw_err(rtwdev, "failed to read hw feature report\n");
 947                 return -EBUSY;
 948         }
 949
 950         for (i = 0; i < HW_FEATURE_LEN; i++)
 951                 hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i);
 952
 953         rtw_write8(rtwdev, REG_C2HEVT, 0);
 954
 955         bw = GET_EFUSE_HW_CAP_BW(hw_feature);
 956         efuse->hw_cap.bw = hw_bw_cap_to_bitamp(bw);
 957         efuse->hw_cap.hci = GET_EFUSE_HW_CAP_HCI(hw_feature);
 958         efuse->hw_cap.nss = GET_EFUSE_HW_CAP_NSS(hw_feature);
 959         efuse->hw_cap.ptcl = GET_EFUSE_HW_CAP_PTCL(hw_feature);
 960         efuse->hw_cap.ant_num = GET_EFUSE_HW_CAP_ANT_NUM(hw_feature);
 961
 962         rtw_hw_config_rf_ant_num(rtwdev, efuse->hw_cap.ant_num);
 963
 964         if (efuse->hw_cap.nss == EFUSE_HW_CAP_IGNORE)
 965                 efuse->hw_cap.nss = rtwdev->hal.rf_path_num;
 966
 967         rtw_dbg(rtwdev, RTW_DBG_EFUSE,
 968                 "hw cap: hci=0x%02x, bw=0x%02x, ptcl=0x%02x, ant_num=%d, nss=%d\n",
 969                 efuse->hw_cap.hci, efuse->hw_cap.bw, efuse->hw_cap.ptcl,
 970                 efuse->hw_cap.ant_num, efuse->hw_cap.nss);
 971
 972         return 0;
 973 }
 974
 975 static void rtw_chip_efuse_disable(struct rtw_dev *rtwdev)
 976 {
 977         rtw_hci_stop(rtwdev);
 978         rtw_mac_power_off(rtwdev);
 979 }
 980
 981 static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev)
 982 {
 983         struct rtw_efuse *efuse = &rtwdev->efuse;
 984         int ret;
 985
 986         mutex_lock(&rtwdev->mutex);
 987
 988         /* power on mac to read efuse */
 989         ret = rtw_chip_efuse_enable(rtwdev);
 990         if (ret)
 991                 goto out;
 992
 993         ret = rtw_parse_efuse_map(rtwdev);
 994         if (ret)
 995                 goto out;
 996
 997         ret = rtw_dump_hw_feature(rtwdev);
 998         if (ret)
 999                 goto out;
1000
1001         ret = rtw_check_supported_rfe(rtwdev);
1002         if (ret)
1003                 goto out;
1004
1005         if (efuse->crystal_cap == 0xff)
1006                 efuse->crystal_cap = 0;
1007         if (efuse->pa_type_2g == 0xff)
1008                 efuse->pa_type_2g = 0;
1009         if (efuse->pa_type_5g == 0xff)
1010                 efuse->pa_type_5g = 0;
1011         if (efuse->lna_type_2g == 0xff)
1012                 efuse->lna_type_2g = 0;
1013         if (efuse->lna_type_5g == 0xff)
1014                 efuse->lna_type_5g = 0;
1015         if (efuse->channel_plan == 0xff)
1016                 efuse->channel_plan = 0x7f;
1017         if (efuse->bt_setting & BIT(0))
1018                 efuse->share_ant = true;
1019         if (efuse->regd == 0xff)
1020                 efuse->regd = 0;
1021
1022         efuse->ext_pa_2g = efuse->pa_type_2g & BIT(4) ? 1 : 0;
1023         efuse->ext_lna_2g = efuse->lna_type_2g & BIT(3) ? 1 : 0;
1024         efuse->ext_pa_5g = efuse->pa_type_5g & BIT(0) ? 1 : 0;
1025         efuse->ext_lna_2g = efuse->lna_type_5g & BIT(3) ? 1 : 0;
1026
1027         rtw_chip_efuse_disable(rtwdev);
1028
1029 out:
1030         mutex_unlock(&rtwdev->mutex);
1031         return ret;
1032 }
1033
1034 static int rtw_chip_board_info_setup(struct rtw_dev *rtwdev)
1035 {
1036         struct rtw_hal *hal = &rtwdev->hal;
1037         const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev);
1038
1039         if (!rfe_def)
1040                 return -ENODEV;
1041
1042         rtw_phy_setup_phy_cond(rtwdev, 0);
1043
1044         rtw_hw_init_tx_power(hal);
1045         rtw_load_table(rtwdev, rfe_def->phy_pg_tbl);
1046         rtw_load_table(rtwdev, rfe_def->txpwr_lmt_tbl);
1047         rtw_phy_tx_power_by_rate_config(hal);
1048         rtw_phy_tx_power_limit_config(hal);
1049
1050         return 0;
1051 }
1052
1053 int rtw_chip_info_setup(struct rtw_dev *rtwdev)
1054 {
1055         int ret;
1056
1057         ret = rtw_chip_parameter_setup(rtwdev);
1058         if (ret) {
1059                 rtw_err(rtwdev, "failed to setup chip parameters\n");
1060                 goto err_out;
1061         }
1062
1063         ret = rtw_chip_efuse_info_setup(rtwdev);
1064         if (ret) {
1065                 rtw_err(rtwdev, "failed to setup chip efuse info\n");
1066                 goto err_out;
1067         }
1068
1069         ret = rtw_chip_board_info_setup(rtwdev);
1070         if (ret) {
1071                 rtw_err(rtwdev, "failed to setup chip board info\n");
1072                 goto err_out;
1073         }
1074
1075         return 0;
1076
1077 err_out:
1078         return ret;
1079 }
1080 EXPORT_SYMBOL(rtw_chip_info_setup);
1081
1082 int rtw_core_init(struct rtw_dev *rtwdev)
1083 {
1084         int ret;
1085
1086         INIT_LIST_HEAD(&rtwdev->rsvd_page_list);
1087
1088         timer_setup(&rtwdev->tx_report.purge_timer,
1089                     rtw_tx_report_purge_timer, 0);
1090
1091         INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work);
1092         INIT_DELAYED_WORK(&rtwdev->lps_work, rtw_lps_work);
1093         INIT_WORK(&rtwdev->c2h_work, rtw_c2h_work);
1094         skb_queue_head_init(&rtwdev->c2h_queue);
1095         skb_queue_head_init(&rtwdev->tx_report.queue);
1096
1097         spin_lock_init(&rtwdev->dm_lock);
1098         spin_lock_init(&rtwdev->rf_lock);
1099         spin_lock_init(&rtwdev->h2c.lock);
1100         spin_lock_init(&rtwdev->tx_report.q_lock);
1101
1102         mutex_init(&rtwdev->mutex);
1103         mutex_init(&rtwdev->hal.tx_power_mutex);
1104
1105         rtwdev->sec.total_cam_num = 32;
1106         rtwdev->hal.current_channel = 1;
1107         set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map);
1108
1109         mutex_lock(&rtwdev->mutex);
1110         rtw_add_rsvd_page(rtwdev, RSVD_BEACON, false);
1111         mutex_unlock(&rtwdev->mutex);
1112
1113         /* default rx filter setting */
1114         rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV |
1115                           BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS |
1116                           BIT_AB | BIT_AM | BIT_APM;
1117
1118         ret = rtw_load_firmware(rtwdev, rtwdev->chip->fw_name);
1119         if (ret) {
1120                 rtw_warn(rtwdev, "no firmware loaded\n");
1121                 return ret;
1122         }
1123
1124         return 0;
1125 }
1126 EXPORT_SYMBOL(rtw_core_init);
1127
1128 void rtw_core_deinit(struct rtw_dev *rtwdev)
1129 {
1130         struct rtw_fw_state *fw = &rtwdev->fw;
1131         struct rtw_rsvd_page *rsvd_pkt, *tmp;
1132         unsigned long flags;
1133
1134         if (fw->firmware)
1135                 release_firmware(fw->firmware);
1136
1137         spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags);
1138         skb_queue_purge(&rtwdev->tx_report.queue);
1139         spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags);
1140
1141         list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, list) {
1142                 list_del(&rsvd_pkt->list);
1143                 kfree(rsvd_pkt);
1144         }
1145
1146         mutex_destroy(&rtwdev->mutex);
1147         mutex_destroy(&rtwdev->hal.tx_power_mutex);
1148 }
1149 EXPORT_SYMBOL(rtw_core_deinit);
1150
1151 int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
1152 {
1153         int max_tx_headroom = 0;
1154         int ret;
1155
1156         /* TODO: USB & SDIO may need extra room? */
1157         max_tx_headroom = rtwdev->chip->tx_pkt_desc_sz;
1158
1159         hw->extra_tx_headroom = max_tx_headroom;
1160         hw->queues = IEEE80211_NUM_ACS;
1161         hw->sta_data_size = sizeof(struct rtw_sta_info);
1162         hw->vif_data_size = sizeof(struct rtw_vif);
1163
1164         ieee80211_hw_set(hw, SIGNAL_DBM);
1165         ieee80211_hw_set(hw, RX_INCLUDES_FCS);
1166         ieee80211_hw_set(hw, AMPDU_AGGREGATION);
1167         ieee80211_hw_set(hw, MFP_CAPABLE);
1168         ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
1169         ieee80211_hw_set(hw, SUPPORTS_PS);
1170         ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
1171
1172         hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1173                                      BIT(NL80211_IFTYPE_AP) |
1174                                      BIT(NL80211_IFTYPE_ADHOC) |
1175                                      BIT(NL80211_IFTYPE_MESH_POINT);
1176
1177         hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
1178                             WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
1179
1180         rtw_set_supported_band(hw, rtwdev->chip);
1181         SET_IEEE80211_PERM_ADDR(hw, rtwdev->efuse.addr);
1182
1183         rtw_regd_init(rtwdev, rtw_regd_notifier);
1184
1185         ret = ieee80211_register_hw(hw);
1186         if (ret) {
1187                 rtw_err(rtwdev, "failed to register hw\n");
1188                 return ret;
1189         }
1190
1191         if (regulatory_hint(hw->wiphy, rtwdev->regd.alpha2))
1192                 rtw_err(rtwdev, "regulatory_hint fail\n");
1193
1194         rtw_debugfs_init(rtwdev);
1195
1196         return 0;
1197 }
1198 EXPORT_SYMBOL(rtw_register_hw);
1199
1200 void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
1201 {
1202         struct rtw_chip_info *chip = rtwdev->chip;
1203
1204         ieee80211_unregister_hw(hw);
1205         rtw_unset_supported_band(hw, chip);
1206 }
1207 EXPORT_SYMBOL(rtw_unregister_hw);
1208
1209 MODULE_AUTHOR("Realtek Corporation");
1210 MODULE_DESCRIPTION("Realtek 802.11ac wireless core module");
1211 MODULE_LICENSE("Dual BSD/GPL");