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         /* use atomic version to avoid taking local->iflist_mtx mutex */
 166         rtw_iterate_vifs_atomic(rtwdev, rtw_vif_watch_dog_iter, &data);
 167
 168         /* fw supports only one station associated to enter lps, if there are
 169          * more than two stations associated to the AP, then we can not enter
 170          * lps, because fw does not handle the overlapped beacon interval
 171          */
 172         if (rtw_fw_support_lps &&
 173             data.rtwvif && !data.active && data.assoc_cnt == 1)
 174                 rtw_enter_lps(rtwdev, data.rtwvif);
 175
 176         if (rtw_flag_check(rtwdev, RTW_FLAG_SCANNING))
 177                 return;
 178
 179         rtw_phy_dynamic_mechanism(rtwdev);
 180
 181         rtwdev->watch_dog_cnt++;
 182 }
 183
 184 static void rtw_c2h_work(struct work_struct *work)
 185 {
 186         struct rtw_dev *rtwdev = container_of(work, struct rtw_dev, c2h_work);
 187         struct sk_buff *skb, *tmp;
 188
 189         skb_queue_walk_safe(&rtwdev->c2h_queue, skb, tmp) {
 190                 skb_unlink(skb, &rtwdev->c2h_queue);
 191                 rtw_fw_c2h_cmd_handle(rtwdev, skb);
 192                 dev_kfree_skb_any(skb);
 193         }
 194 }
 195
 196 void rtw_get_channel_params(struct cfg80211_chan_def *chandef,
 197                             struct rtw_channel_params *chan_params)
 198 {
 199         struct ieee80211_channel *channel = chandef->chan;
 200         enum nl80211_chan_width width = chandef->width;
 201         u32 primary_freq, center_freq;
 202         u8 center_chan;
 203         u8 bandwidth = RTW_CHANNEL_WIDTH_20;
 204         u8 primary_chan_idx = 0;
 205
 206         center_chan = channel->hw_value;
 207         primary_freq = channel->center_freq;
 208         center_freq = chandef->center_freq1;
 209
 210         switch (width) {
 211         case NL80211_CHAN_WIDTH_20_NOHT:
 212         case NL80211_CHAN_WIDTH_20:
 213                 bandwidth = RTW_CHANNEL_WIDTH_20;
 214                 primary_chan_idx = 0;
 215                 break;
 216         case NL80211_CHAN_WIDTH_40:
 217                 bandwidth = RTW_CHANNEL_WIDTH_40;
 218                 if (primary_freq > center_freq) {
 219                         primary_chan_idx = 1;
 220                         center_chan -= 2;
 221                 } else {
 222                         primary_chan_idx = 2;
 223                         center_chan += 2;
 224                 }
 225                 break;
 226         case NL80211_CHAN_WIDTH_80:
 227                 bandwidth = RTW_CHANNEL_WIDTH_80;
 228                 if (primary_freq > center_freq) {
 229                         if (primary_freq - center_freq == 10) {
 230                                 primary_chan_idx = 1;
 231                                 center_chan -= 2;
 232                         } else {
 233                                 primary_chan_idx = 3;
 234                                 center_chan -= 6;
 235                         }
 236                 } else {
 237                         if (center_freq - primary_freq == 10) {
 238                                 primary_chan_idx = 2;
 239                                 center_chan += 2;
 240                         } else {
 241                                 primary_chan_idx = 4;
 242                                 center_chan += 6;
 243                         }
 244                 }
 245                 break;
 246         default:
 247                 center_chan = 0;
 248                 break;
 249         }
 250
 251         chan_params->center_chan = center_chan;
 252         chan_params->bandwidth = bandwidth;
 253         chan_params->primary_chan_idx = primary_chan_idx;
 254 }
 255
 256 void rtw_set_channel(struct rtw_dev *rtwdev)
 257 {
 258         struct ieee80211_hw *hw = rtwdev->hw;
 259         struct rtw_hal *hal = &rtwdev->hal;
 260         struct rtw_chip_info *chip = rtwdev->chip;
 261         struct rtw_channel_params ch_param;
 262         u8 center_chan, bandwidth, primary_chan_idx;
 263
 264         rtw_get_channel_params(&hw->conf.chandef, &ch_param);
 265         if (WARN(ch_param.center_chan == 0, "Invalid channel\n"))
 266                 return;
 267
 268         center_chan = ch_param.center_chan;
 269         bandwidth = ch_param.bandwidth;
 270         primary_chan_idx = ch_param.primary_chan_idx;
 271
 272         hal->current_band_width = bandwidth;
 273         hal->current_channel = center_chan;
 274         hal->current_band_type = center_chan > 14 ? RTW_BAND_5G : RTW_BAND_2G;
 275         chip->ops->set_channel(rtwdev, center_chan, bandwidth, primary_chan_idx);
 276
 277         rtw_phy_set_tx_power_level(rtwdev, center_chan);
 278 }
 279
 280 static void rtw_vif_write_addr(struct rtw_dev *rtwdev, u32 start, u8 *addr)
 281 {
 282         int i;
 283
 284         for (i = 0; i < ETH_ALEN; i++)
 285                 rtw_write8(rtwdev, start + i, addr[i]);
 286 }
 287
 288 void rtw_vif_port_config(struct rtw_dev *rtwdev,
 289                          struct rtw_vif *rtwvif,
 290                          u32 config)
 291 {
 292         u32 addr, mask;
 293
 294         if (config & PORT_SET_MAC_ADDR) {
 295                 addr = rtwvif->conf->mac_addr.addr;
 296                 rtw_vif_write_addr(rtwdev, addr, rtwvif->mac_addr);
 297         }
 298         if (config & PORT_SET_BSSID) {
 299                 addr = rtwvif->conf->bssid.addr;
 300                 rtw_vif_write_addr(rtwdev, addr, rtwvif->bssid);
 301         }
 302         if (config & PORT_SET_NET_TYPE) {
 303                 addr = rtwvif->conf->net_type.addr;
 304                 mask = rtwvif->conf->net_type.mask;
 305                 rtw_write32_mask(rtwdev, addr, mask, rtwvif->net_type);
 306         }
 307         if (config & PORT_SET_AID) {
 308                 addr = rtwvif->conf->aid.addr;
 309                 mask = rtwvif->conf->aid.mask;
 310                 rtw_write32_mask(rtwdev, addr, mask, rtwvif->aid);
 311         }
 312 }
 313
 314 static u8 hw_bw_cap_to_bitamp(u8 bw_cap)
 315 {
 316         u8 bw = 0;
 317
 318         switch (bw_cap) {
 319         case EFUSE_HW_CAP_IGNORE:
 320         case EFUSE_HW_CAP_SUPP_BW80:
 321                 bw |= BIT(RTW_CHANNEL_WIDTH_80);
 322                 /* fall through */
 323         case EFUSE_HW_CAP_SUPP_BW40:
 324                 bw |= BIT(RTW_CHANNEL_WIDTH_40);
 325                 /* fall through */
 326         default:
 327                 bw |= BIT(RTW_CHANNEL_WIDTH_20);
 328                 break;
 329         }
 330
 331         return bw;
 332 }
 333
 334 static void rtw_hw_config_rf_ant_num(struct rtw_dev *rtwdev, u8 hw_ant_num)
 335 {
 336         struct rtw_hal *hal = &rtwdev->hal;
 337
 338         if (hw_ant_num == EFUSE_HW_CAP_IGNORE ||
 339             hw_ant_num >= hal->rf_path_num)
 340                 return;
 341
 342         switch (hw_ant_num) {
 343         case 1:
 344                 hal->rf_type = RF_1T1R;
 345                 hal->rf_path_num = 1;
 346                 hal->antenna_tx = BB_PATH_A;
 347                 hal->antenna_rx = BB_PATH_A;
 348                 break;
 349         default:
 350                 WARN(1, "invalid hw configuration from efuse\n");
 351                 break;
 352         }
 353 }
 354
 355 static u64 get_vht_ra_mask(struct ieee80211_sta *sta)
 356 {
 357         u64 ra_mask = 0;
 358         u16 mcs_map = le16_to_cpu(sta->vht_cap.vht_mcs.rx_mcs_map);
 359         u8 vht_mcs_cap;
 360         int i, nss;
 361
 362         /* 4SS, every two bits for MCS7/8/9 */
 363         for (i = 0, nss = 12; i < 4; i++, mcs_map >>= 2, nss += 10) {
 364                 vht_mcs_cap = mcs_map & 0x3;
 365                 switch (vht_mcs_cap) {
 366                 case 2: /* MCS9 */
 367                         ra_mask |= 0x3ffULL << nss;
 368                         break;
 369                 case 1: /* MCS8 */
 370                         ra_mask |= 0x1ffULL << nss;
 371                         break;
 372                 case 0: /* MCS7 */
 373                         ra_mask |= 0x0ffULL << nss;
 374                         break;
 375                 default:
 376                         break;
 377                 }
 378         }
 379
 380         return ra_mask;
 381 }
 382
 383 static u8 get_rate_id(u8 wireless_set, enum rtw_bandwidth bw_mode, u8 tx_num)
 384 {
 385         u8 rate_id = 0;
 386
 387         switch (wireless_set) {
 388         case WIRELESS_CCK:
 389                 rate_id = RTW_RATEID_B_20M;
 390                 break;
 391         case WIRELESS_OFDM:
 392                 rate_id = RTW_RATEID_G;
 393                 break;
 394         case WIRELESS_CCK | WIRELESS_OFDM:
 395                 rate_id = RTW_RATEID_BG;
 396                 break;
 397         case WIRELESS_OFDM | WIRELESS_HT:
 398                 if (tx_num == 1)
 399                         rate_id = RTW_RATEID_GN_N1SS;
 400                 else if (tx_num == 2)
 401                         rate_id = RTW_RATEID_GN_N2SS;
 402                 else if (tx_num == 3)
 403                         rate_id = RTW_RATEID_ARFR5_N_3SS;
 404                 break;
 405         case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_HT:
 406                 if (bw_mode == RTW_CHANNEL_WIDTH_40) {
 407                         if (tx_num == 1)
 408                                 rate_id = RTW_RATEID_BGN_40M_1SS;
 409                         else if (tx_num == 2)
 410                                 rate_id = RTW_RATEID_BGN_40M_2SS;
 411                         else if (tx_num == 3)
 412                                 rate_id = RTW_RATEID_ARFR5_N_3SS;
 413                         else if (tx_num == 4)
 414                                 rate_id = RTW_RATEID_ARFR7_N_4SS;
 415                 } else {
 416                         if (tx_num == 1)
 417                                 rate_id = RTW_RATEID_BGN_20M_1SS;
 418                         else if (tx_num == 2)
 419                                 rate_id = RTW_RATEID_BGN_20M_2SS;
 420                         else if (tx_num == 3)
 421                                 rate_id = RTW_RATEID_ARFR5_N_3SS;
 422                         else if (tx_num == 4)
 423                                 rate_id = RTW_RATEID_ARFR7_N_4SS;
 424                 }
 425                 break;
 426         case WIRELESS_OFDM | WIRELESS_VHT:
 427                 if (tx_num == 1)
 428                         rate_id = RTW_RATEID_ARFR1_AC_1SS;
 429                 else if (tx_num == 2)
 430                         rate_id = RTW_RATEID_ARFR0_AC_2SS;
 431                 else if (tx_num == 3)
 432                         rate_id = RTW_RATEID_ARFR4_AC_3SS;
 433                 else if (tx_num == 4)
 434                         rate_id = RTW_RATEID_ARFR6_AC_4SS;
 435                 break;
 436         case WIRELESS_CCK | WIRELESS_OFDM | WIRELESS_VHT:
 437                 if (bw_mode >= RTW_CHANNEL_WIDTH_80) {
 438                         if (tx_num == 1)
 439                                 rate_id = RTW_RATEID_ARFR1_AC_1SS;
 440                         else if (tx_num == 2)
 441                                 rate_id = RTW_RATEID_ARFR0_AC_2SS;
 442                         else if (tx_num == 3)
 443                                 rate_id = RTW_RATEID_ARFR4_AC_3SS;
 444                         else if (tx_num == 4)
 445                                 rate_id = RTW_RATEID_ARFR6_AC_4SS;
 446                 } else {
 447                         if (tx_num == 1)
 448                                 rate_id = RTW_RATEID_ARFR2_AC_2G_1SS;
 449                         else if (tx_num == 2)
 450                                 rate_id = RTW_RATEID_ARFR3_AC_2G_2SS;
 451                         else if (tx_num == 3)
 452                                 rate_id = RTW_RATEID_ARFR4_AC_3SS;
 453                         else if (tx_num == 4)
 454                                 rate_id = RTW_RATEID_ARFR6_AC_4SS;
 455                 }
 456                 break;
 457         default:
 458                 break;
 459         }
 460
 461         return rate_id;
 462 }
 463
 464 #define RA_MASK_CCK_RATES       0x0000f
 465 #define RA_MASK_OFDM_RATES      0x00ff0
 466 #define RA_MASK_HT_RATES_1SS    (0xff000ULL << 0)
 467 #define RA_MASK_HT_RATES_2SS    (0xff000ULL << 8)
 468 #define RA_MASK_HT_RATES_3SS    (0xff000ULL << 16)
 469 #define RA_MASK_HT_RATES        (RA_MASK_HT_RATES_1SS | \
 470                                  RA_MASK_HT_RATES_2SS | \
 471                                  RA_MASK_HT_RATES_3SS)
 472 #define RA_MASK_VHT_RATES_1SS   (0x3ff000ULL << 0)
 473 #define RA_MASK_VHT_RATES_2SS   (0x3ff000ULL << 10)
 474 #define RA_MASK_VHT_RATES_3SS   (0x3ff000ULL << 20)
 475 #define RA_MASK_VHT_RATES       (RA_MASK_VHT_RATES_1SS | \
 476                                  RA_MASK_VHT_RATES_2SS | \
 477                                  RA_MASK_VHT_RATES_3SS)
 478 #define RA_MASK_CCK_IN_HT       0x00005
 479 #define RA_MASK_CCK_IN_VHT      0x00005
 480 #define RA_MASK_OFDM_IN_VHT     0x00010
 481 #define RA_MASK_OFDM_IN_HT_2G   0x00010
 482 #define RA_MASK_OFDM_IN_HT_5G   0x00030
 483
 484 void rtw_update_sta_info(struct rtw_dev *rtwdev, struct rtw_sta_info *si)
 485 {
 486         struct ieee80211_sta *sta = si->sta;
 487         struct rtw_efuse *efuse = &rtwdev->efuse;
 488         struct rtw_hal *hal = &rtwdev->hal;
 489         u8 rssi_level;
 490         u8 wireless_set;
 491         u8 bw_mode;
 492         u8 rate_id;
 493         u8 rf_type = RF_1T1R;
 494         u8 stbc_en = 0;
 495         u8 ldpc_en = 0;
 496         u8 tx_num = 1;
 497         u64 ra_mask = 0;
 498         bool is_vht_enable = false;
 499         bool is_support_sgi = false;
 500
 501         if (sta->vht_cap.vht_supported) {
 502                 is_vht_enable = true;
 503                 ra_mask |= get_vht_ra_mask(sta);
 504                 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_MASK)
 505                         stbc_en = VHT_STBC_EN;
 506                 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC)
 507                         ldpc_en = VHT_LDPC_EN;
 508                 if (sta->vht_cap.cap & IEEE80211_VHT_CAP_SHORT_GI_80)
 509                         is_support_sgi = true;
 510         } else if (sta->ht_cap.ht_supported) {
 511                 ra_mask |= (sta->ht_cap.mcs.rx_mask[NL80211_BAND_5GHZ] << 20) |
 512                            (sta->ht_cap.mcs.rx_mask[NL80211_BAND_2GHZ] << 12);
 513                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
 514                         stbc_en = HT_STBC_EN;
 515                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING)
 516                         ldpc_en = HT_LDPC_EN;
 517                 if (sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_20 ||
 518                     sta->ht_cap.cap & IEEE80211_HT_CAP_SGI_40)
 519                         is_support_sgi = true;
 520         }
 521
 522         if (hal->current_band_type == RTW_BAND_5G) {
 523                 ra_mask |= (u64)sta->supp_rates[NL80211_BAND_5GHZ] << 4;
 524                 if (sta->vht_cap.vht_supported) {
 525                         ra_mask &= RA_MASK_VHT_RATES | RA_MASK_OFDM_IN_VHT;
 526                         wireless_set = WIRELESS_OFDM | WIRELESS_VHT;
 527                 } else if (sta->ht_cap.ht_supported) {
 528                         ra_mask &= RA_MASK_HT_RATES | RA_MASK_OFDM_IN_HT_5G;
 529                         wireless_set = WIRELESS_OFDM | WIRELESS_HT;
 530                 } else {
 531                         wireless_set = WIRELESS_OFDM;
 532                 }
 533         } else if (hal->current_band_type == RTW_BAND_2G) {
 534                 ra_mask |= sta->supp_rates[NL80211_BAND_2GHZ];
 535                 if (sta->vht_cap.vht_supported) {
 536                         ra_mask &= RA_MASK_VHT_RATES | RA_MASK_CCK_IN_VHT |
 537                                    RA_MASK_OFDM_IN_VHT;
 538                         wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
 539                                        WIRELESS_HT | WIRELESS_VHT;
 540                 } else if (sta->ht_cap.ht_supported) {
 541                         ra_mask &= RA_MASK_HT_RATES | RA_MASK_CCK_IN_HT |
 542                                    RA_MASK_OFDM_IN_HT_2G;
 543                         wireless_set = WIRELESS_CCK | WIRELESS_OFDM |
 544                                        WIRELESS_HT;
 545                 } else if (sta->supp_rates[0] <= 0xf) {
 546                         wireless_set = WIRELESS_CCK;
 547                 } else {
 548                         wireless_set = WIRELESS_CCK | WIRELESS_OFDM;
 549                 }
 550         } else {
 551                 rtw_err(rtwdev, "Unknown band type\n");
 552                 wireless_set = 0;
 553         }
 554
 555         if (efuse->hw_cap.nss == 1) {
 556                 ra_mask &= RA_MASK_VHT_RATES_1SS;
 557                 ra_mask &= RA_MASK_HT_RATES_1SS;
 558         }
 559
 560         switch (sta->bandwidth) {
 561         case IEEE80211_STA_RX_BW_80:
 562                 bw_mode = RTW_CHANNEL_WIDTH_80;
 563                 break;
 564         case IEEE80211_STA_RX_BW_40:
 565                 bw_mode = RTW_CHANNEL_WIDTH_40;
 566                 break;
 567         default:
 568                 bw_mode = RTW_CHANNEL_WIDTH_20;
 569                 break;
 570         }
 571
 572         if (sta->vht_cap.vht_supported && ra_mask & 0xffc00000) {
 573                 tx_num = 2;
 574                 rf_type = RF_2T2R;
 575         } else if (sta->ht_cap.ht_supported && ra_mask & 0xfff00000) {
 576                 tx_num = 2;
 577                 rf_type = RF_2T2R;
 578         }
 579
 580         rate_id = get_rate_id(wireless_set, bw_mode, tx_num);
 581
 582         if (wireless_set != WIRELESS_CCK) {
 583                 rssi_level = si->rssi_level;
 584                 if (rssi_level == 0)
 585                         ra_mask &= 0xffffffffffffffffULL;
 586                 else if (rssi_level == 1)
 587                         ra_mask &= 0xfffffffffffffff0ULL;
 588                 else if (rssi_level == 2)
 589                         ra_mask &= 0xffffffffffffefe0ULL;
 590                 else if (rssi_level == 3)
 591                         ra_mask &= 0xffffffffffffcfc0ULL;
 592                 else if (rssi_level == 4)
 593                         ra_mask &= 0xffffffffffff8f80ULL;
 594                 else if (rssi_level >= 5)
 595                         ra_mask &= 0xffffffffffff0f00ULL;
 596         }
 597
 598         si->bw_mode = bw_mode;
 599         si->stbc_en = stbc_en;
 600         si->ldpc_en = ldpc_en;
 601         si->rf_type = rf_type;
 602         si->wireless_set = wireless_set;
 603         si->sgi_enable = is_support_sgi;
 604         si->vht_enable = is_vht_enable;
 605         si->ra_mask = ra_mask;
 606         si->rate_id = rate_id;
 607
 608         rtw_fw_send_ra_info(rtwdev, si);
 609 }
 610
 611 static int rtw_power_on(struct rtw_dev *rtwdev)
 612 {
 613         struct rtw_chip_info *chip = rtwdev->chip;
 614         struct rtw_fw_state *fw = &rtwdev->fw;
 615         int ret;
 616
 617         ret = rtw_hci_setup(rtwdev);
 618         if (ret) {
 619                 rtw_err(rtwdev, "failed to setup hci\n");
 620                 goto err;
 621         }
 622
 623         /* power on MAC before firmware downloaded */
 624         ret = rtw_mac_power_on(rtwdev);
 625         if (ret) {
 626                 rtw_err(rtwdev, "failed to power on mac\n");
 627                 goto err;
 628         }
 629
 630         wait_for_completion(&fw->completion);
 631         if (!fw->firmware) {
 632                 ret = -EINVAL;
 633                 rtw_err(rtwdev, "failed to load firmware\n");
 634                 goto err;
 635         }
 636
 637         ret = rtw_download_firmware(rtwdev, fw);
 638         if (ret) {
 639                 rtw_err(rtwdev, "failed to download firmware\n");
 640                 goto err_off;
 641         }
 642
 643         /* config mac after firmware downloaded */
 644         ret = rtw_mac_init(rtwdev);
 645         if (ret) {
 646                 rtw_err(rtwdev, "failed to configure mac\n");
 647                 goto err_off;
 648         }
 649
 650         chip->ops->phy_set_param(rtwdev);
 651
 652         ret = rtw_hci_start(rtwdev);
 653         if (ret) {
 654                 rtw_err(rtwdev, "failed to start hci\n");
 655                 goto err_off;
 656         }
 657
 658         return 0;
 659
 660 err_off:
 661         rtw_mac_power_off(rtwdev);
 662
 663 err:
 664         return ret;
 665 }
 666
 667 int rtw_core_start(struct rtw_dev *rtwdev)
 668 {
 669         int ret;
 670
 671         ret = rtw_power_on(rtwdev);
 672         if (ret)
 673                 return ret;
 674
 675         rtw_sec_enable_sec_engine(rtwdev);
 676
 677         /* rcr reset after powered on */
 678         rtw_write32(rtwdev, REG_RCR, rtwdev->hal.rcr);
 679
 680         ieee80211_queue_delayed_work(rtwdev->hw, &rtwdev->watch_dog_work,
 681                                      RTW_WATCH_DOG_DELAY_TIME);
 682
 683         rtw_flag_set(rtwdev, RTW_FLAG_RUNNING);
 684
 685         return 0;
 686 }
 687
 688 static void rtw_power_off(struct rtw_dev *rtwdev)
 689 {
 690         rtwdev->hci.ops->stop(rtwdev);
 691         rtw_mac_power_off(rtwdev);
 692 }
 693
 694 void rtw_core_stop(struct rtw_dev *rtwdev)
 695 {
 696         rtw_flag_clear(rtwdev, RTW_FLAG_RUNNING);
 697         rtw_flag_clear(rtwdev, RTW_FLAG_FW_RUNNING);
 698
 699         cancel_delayed_work_sync(&rtwdev->watch_dog_work);
 700
 701         rtw_power_off(rtwdev);
 702 }
 703
 704 static void rtw_init_ht_cap(struct rtw_dev *rtwdev,
 705                             struct ieee80211_sta_ht_cap *ht_cap)
 706 {
 707         struct rtw_efuse *efuse = &rtwdev->efuse;
 708
 709         ht_cap->ht_supported = true;
 710         ht_cap->cap = 0;
 711         ht_cap->cap |= IEEE80211_HT_CAP_SGI_20 |
 712                         IEEE80211_HT_CAP_MAX_AMSDU |
 713                         IEEE80211_HT_CAP_LDPC_CODING |
 714                         (1 << IEEE80211_HT_CAP_RX_STBC_SHIFT);
 715         if (efuse->hw_cap.bw & BIT(RTW_CHANNEL_WIDTH_40))
 716                 ht_cap->cap |= IEEE80211_HT_CAP_SUP_WIDTH_20_40 |
 717                                 IEEE80211_HT_CAP_DSSSCCK40 |
 718                                 IEEE80211_HT_CAP_SGI_40;
 719         ht_cap->ampdu_factor = IEEE80211_HT_MAX_AMPDU_64K;
 720         ht_cap->ampdu_density = IEEE80211_HT_MPDU_DENSITY_16;
 721         ht_cap->mcs.tx_params = IEEE80211_HT_MCS_TX_DEFINED;
 722         if (efuse->hw_cap.nss > 1) {
 723                 ht_cap->mcs.rx_mask[0] = 0xFF;
 724                 ht_cap->mcs.rx_mask[1] = 0xFF;
 725                 ht_cap->mcs.rx_mask[4] = 0x01;
 726                 ht_cap->mcs.rx_highest = cpu_to_le16(300);
 727         } else {
 728                 ht_cap->mcs.rx_mask[0] = 0xFF;
 729                 ht_cap->mcs.rx_mask[1] = 0x00;
 730                 ht_cap->mcs.rx_mask[4] = 0x01;
 731                 ht_cap->mcs.rx_highest = cpu_to_le16(150);
 732         }
 733 }
 734
 735 static void rtw_init_vht_cap(struct rtw_dev *rtwdev,
 736                              struct ieee80211_sta_vht_cap *vht_cap)
 737 {
 738         struct rtw_efuse *efuse = &rtwdev->efuse;
 739         u16 mcs_map;
 740         __le16 highest;
 741
 742         if (efuse->hw_cap.ptcl != EFUSE_HW_CAP_IGNORE &&
 743             efuse->hw_cap.ptcl != EFUSE_HW_CAP_PTCL_VHT)
 744                 return;
 745
 746         vht_cap->vht_supported = true;
 747         vht_cap->cap = IEEE80211_VHT_CAP_MAX_MPDU_LENGTH_11454 |
 748                        IEEE80211_VHT_CAP_RXLDPC |
 749                        IEEE80211_VHT_CAP_SHORT_GI_80 |
 750                        IEEE80211_VHT_CAP_TXSTBC |
 751                        IEEE80211_VHT_CAP_RXSTBC_1 |
 752                        IEEE80211_VHT_CAP_HTC_VHT |
 753                        IEEE80211_VHT_CAP_MAX_A_MPDU_LENGTH_EXPONENT_MASK |
 754                        0;
 755         mcs_map = IEEE80211_VHT_MCS_SUPPORT_0_9 << 0 |
 756                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 4 |
 757                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 6 |
 758                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 8 |
 759                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 10 |
 760                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 12 |
 761                   IEEE80211_VHT_MCS_NOT_SUPPORTED << 14;
 762         if (efuse->hw_cap.nss > 1) {
 763                 highest = cpu_to_le16(780);
 764                 mcs_map |= IEEE80211_VHT_MCS_SUPPORT_0_9 << 2;
 765         } else {
 766                 highest = cpu_to_le16(390);
 767                 mcs_map |= IEEE80211_VHT_MCS_NOT_SUPPORTED << 2;
 768         }
 769
 770         vht_cap->vht_mcs.rx_mcs_map = cpu_to_le16(mcs_map);
 771         vht_cap->vht_mcs.tx_mcs_map = cpu_to_le16(mcs_map);
 772         vht_cap->vht_mcs.rx_highest = highest;
 773         vht_cap->vht_mcs.tx_highest = highest;
 774 }
 775
 776 static void rtw_set_supported_band(struct ieee80211_hw *hw,
 777                                    struct rtw_chip_info *chip)
 778 {
 779         struct rtw_dev *rtwdev = hw->priv;
 780         struct ieee80211_supported_band *sband;
 781
 782         if (chip->band & RTW_BAND_2G) {
 783                 sband = kmemdup(&rtw_band_2ghz, sizeof(*sband), GFP_KERNEL);
 784                 if (!sband)
 785                         goto err_out;
 786                 if (chip->ht_supported)
 787                         rtw_init_ht_cap(rtwdev, &sband->ht_cap);
 788                 hw->wiphy->bands[NL80211_BAND_2GHZ] = sband;
 789         }
 790
 791         if (chip->band & RTW_BAND_5G) {
 792                 sband = kmemdup(&rtw_band_5ghz, sizeof(*sband), GFP_KERNEL);
 793                 if (!sband)
 794                         goto err_out;
 795                 if (chip->ht_supported)
 796                         rtw_init_ht_cap(rtwdev, &sband->ht_cap);
 797                 if (chip->vht_supported)
 798                         rtw_init_vht_cap(rtwdev, &sband->vht_cap);
 799                 hw->wiphy->bands[NL80211_BAND_5GHZ] = sband;
 800         }
 801
 802         return;
 803
 804 err_out:
 805         rtw_err(rtwdev, "failed to set supported band\n");
 806         kfree(sband);
 807 }
 808
 809 static void rtw_unset_supported_band(struct ieee80211_hw *hw,
 810                                      struct rtw_chip_info *chip)
 811 {
 812         kfree(hw->wiphy->bands[NL80211_BAND_2GHZ]);
 813         kfree(hw->wiphy->bands[NL80211_BAND_5GHZ]);
 814 }
 815
 816 static void rtw_load_firmware_cb(const struct firmware *firmware, void *context)
 817 {
 818         struct rtw_dev *rtwdev = context;
 819         struct rtw_fw_state *fw = &rtwdev->fw;
 820
 821         if (!firmware)
 822                 rtw_err(rtwdev, "failed to request firmware\n");
 823
 824         fw->firmware = firmware;
 825         complete_all(&fw->completion);
 826 }
 827
 828 static int rtw_load_firmware(struct rtw_dev *rtwdev, const char *fw_name)
 829 {
 830         struct rtw_fw_state *fw = &rtwdev->fw;
 831         int ret;
 832
 833         init_completion(&fw->completion);
 834
 835         ret = request_firmware_nowait(THIS_MODULE, true, fw_name, rtwdev->dev,
 836                                       GFP_KERNEL, rtwdev, rtw_load_firmware_cb);
 837         if (ret) {
 838                 rtw_err(rtwdev, "async firmware request failed\n");
 839                 return ret;
 840         }
 841
 842         return 0;
 843 }
 844
 845 static int rtw_chip_parameter_setup(struct rtw_dev *rtwdev)
 846 {
 847         struct rtw_chip_info *chip = rtwdev->chip;
 848         struct rtw_hal *hal = &rtwdev->hal;
 849         struct rtw_efuse *efuse = &rtwdev->efuse;
 850         u32 wl_bt_pwr_ctrl;
 851         int ret = 0;
 852
 853         switch (rtw_hci_type(rtwdev)) {
 854         case RTW_HCI_TYPE_PCIE:
 855                 rtwdev->hci.rpwm_addr = 0x03d9;
 856                 break;
 857         default:
 858                 rtw_err(rtwdev, "unsupported hci type\n");
 859                 return -EINVAL;
 860         }
 861
 862         wl_bt_pwr_ctrl = rtw_read32(rtwdev, REG_WL_BT_PWR_CTRL);
 863         if (wl_bt_pwr_ctrl & BIT_BT_FUNC_EN)
 864                 rtwdev->efuse.btcoex = true;
 865         hal->chip_version = rtw_read32(rtwdev, REG_SYS_CFG1);
 866         hal->fab_version = BIT_GET_VENDOR_ID(hal->chip_version) >> 2;
 867         hal->cut_version = BIT_GET_CHIP_VER(hal->chip_version);
 868         hal->mp_chip = (hal->chip_version & BIT_RTL_ID) ? 0 : 1;
 869         if (hal->chip_version & BIT_RF_TYPE_ID) {
 870                 hal->rf_type = RF_2T2R;
 871                 hal->rf_path_num = 2;
 872                 hal->antenna_tx = BB_PATH_AB;
 873                 hal->antenna_rx = BB_PATH_AB;
 874         } else {
 875                 hal->rf_type = RF_1T1R;
 876                 hal->rf_path_num = 1;
 877                 hal->antenna_tx = BB_PATH_A;
 878                 hal->antenna_rx = BB_PATH_A;
 879         }
 880
 881         if (hal->fab_version == 2)
 882                 hal->fab_version = 1;
 883         else if (hal->fab_version == 1)
 884                 hal->fab_version = 2;
 885
 886         efuse->physical_size = chip->phy_efuse_size;
 887         efuse->logical_size = chip->log_efuse_size;
 888         efuse->protect_size = chip->ptct_efuse_size;
 889
 890         /* default use ack */
 891         rtwdev->hal.rcr |= BIT_VHT_DACK;
 892
 893         return ret;
 894 }
 895
 896 static int rtw_chip_efuse_enable(struct rtw_dev *rtwdev)
 897 {
 898         struct rtw_fw_state *fw = &rtwdev->fw;
 899         int ret;
 900
 901         ret = rtw_hci_setup(rtwdev);
 902         if (ret) {
 903                 rtw_err(rtwdev, "failed to setup hci\n");
 904                 goto err;
 905         }
 906
 907         ret = rtw_mac_power_on(rtwdev);
 908         if (ret) {
 909                 rtw_err(rtwdev, "failed to power on mac\n");
 910                 goto err;
 911         }
 912
 913         rtw_write8(rtwdev, REG_C2HEVT, C2H_HW_FEATURE_DUMP);
 914
 915         wait_for_completion(&fw->completion);
 916         if (!fw->firmware) {
 917                 ret = -EINVAL;
 918                 rtw_err(rtwdev, "failed to load firmware\n");
 919                 goto err;
 920         }
 921
 922         ret = rtw_download_firmware(rtwdev, fw);
 923         if (ret) {
 924                 rtw_err(rtwdev, "failed to download firmware\n");
 925                 goto err_off;
 926         }
 927
 928         return 0;
 929
 930 err_off:
 931         rtw_mac_power_off(rtwdev);
 932
 933 err:
 934         return ret;
 935 }
 936
 937 static int rtw_dump_hw_feature(struct rtw_dev *rtwdev)
 938 {
 939         struct rtw_efuse *efuse = &rtwdev->efuse;
 940         u8 hw_feature[HW_FEATURE_LEN];
 941         u8 id;
 942         u8 bw;
 943         int i;
 944
 945         id = rtw_read8(rtwdev, REG_C2HEVT);
 946         if (id != C2H_HW_FEATURE_REPORT) {
 947                 rtw_err(rtwdev, "failed to read hw feature report\n");
 948                 return -EBUSY;
 949         }
 950
 951         for (i = 0; i < HW_FEATURE_LEN; i++)
 952                 hw_feature[i] = rtw_read8(rtwdev, REG_C2HEVT + 2 + i);
 953
 954         rtw_write8(rtwdev, REG_C2HEVT, 0);
 955
 956         bw = GET_EFUSE_HW_CAP_BW(hw_feature);
 957         efuse->hw_cap.bw = hw_bw_cap_to_bitamp(bw);
 958         efuse->hw_cap.hci = GET_EFUSE_HW_CAP_HCI(hw_feature);
 959         efuse->hw_cap.nss = GET_EFUSE_HW_CAP_NSS(hw_feature);
 960         efuse->hw_cap.ptcl = GET_EFUSE_HW_CAP_PTCL(hw_feature);
 961         efuse->hw_cap.ant_num = GET_EFUSE_HW_CAP_ANT_NUM(hw_feature);
 962
 963         rtw_hw_config_rf_ant_num(rtwdev, efuse->hw_cap.ant_num);
 964
 965         if (efuse->hw_cap.nss == EFUSE_HW_CAP_IGNORE)
 966                 efuse->hw_cap.nss = rtwdev->hal.rf_path_num;
 967
 968         rtw_dbg(rtwdev, RTW_DBG_EFUSE,
 969                 "hw cap: hci=0x%02x, bw=0x%02x, ptcl=0x%02x, ant_num=%d, nss=%d\n",
 970                 efuse->hw_cap.hci, efuse->hw_cap.bw, efuse->hw_cap.ptcl,
 971                 efuse->hw_cap.ant_num, efuse->hw_cap.nss);
 972
 973         return 0;
 974 }
 975
 976 static void rtw_chip_efuse_disable(struct rtw_dev *rtwdev)
 977 {
 978         rtw_hci_stop(rtwdev);
 979         rtw_mac_power_off(rtwdev);
 980 }
 981
 982 static int rtw_chip_efuse_info_setup(struct rtw_dev *rtwdev)
 983 {
 984         struct rtw_efuse *efuse = &rtwdev->efuse;
 985         int ret;
 986
 987         mutex_lock(&rtwdev->mutex);
 988
 989         /* power on mac to read efuse */
 990         ret = rtw_chip_efuse_enable(rtwdev);
 991         if (ret)
 992                 goto out;
 993
 994         ret = rtw_parse_efuse_map(rtwdev);
 995         if (ret)
 996                 goto out;
 997
 998         ret = rtw_dump_hw_feature(rtwdev);
 999         if (ret)
1000                 goto out;
1001
1002         ret = rtw_check_supported_rfe(rtwdev);
1003         if (ret)
1004                 goto out;
1005
1006         if (efuse->crystal_cap == 0xff)
1007                 efuse->crystal_cap = 0;
1008         if (efuse->pa_type_2g == 0xff)
1009                 efuse->pa_type_2g = 0;
1010         if (efuse->pa_type_5g == 0xff)
1011                 efuse->pa_type_5g = 0;
1012         if (efuse->lna_type_2g == 0xff)
1013                 efuse->lna_type_2g = 0;
1014         if (efuse->lna_type_5g == 0xff)
1015                 efuse->lna_type_5g = 0;
1016         if (efuse->channel_plan == 0xff)
1017                 efuse->channel_plan = 0x7f;
1018         if (efuse->bt_setting & BIT(0))
1019                 efuse->share_ant = true;
1020         if (efuse->regd == 0xff)
1021                 efuse->regd = 0;
1022
1023         efuse->ext_pa_2g = efuse->pa_type_2g & BIT(4) ? 1 : 0;
1024         efuse->ext_lna_2g = efuse->lna_type_2g & BIT(3) ? 1 : 0;
1025         efuse->ext_pa_5g = efuse->pa_type_5g & BIT(0) ? 1 : 0;
1026         efuse->ext_lna_2g = efuse->lna_type_5g & BIT(3) ? 1 : 0;
1027
1028         rtw_chip_efuse_disable(rtwdev);
1029
1030 out:
1031         mutex_unlock(&rtwdev->mutex);
1032         return ret;
1033 }
1034
1035 static int rtw_chip_board_info_setup(struct rtw_dev *rtwdev)
1036 {
1037         struct rtw_hal *hal = &rtwdev->hal;
1038         const struct rtw_rfe_def *rfe_def = rtw_get_rfe_def(rtwdev);
1039
1040         if (!rfe_def)
1041                 return -ENODEV;
1042
1043         rtw_phy_setup_phy_cond(rtwdev, 0);
1044
1045         rtw_hw_init_tx_power(hal);
1046         rtw_load_table(rtwdev, rfe_def->phy_pg_tbl);
1047         rtw_load_table(rtwdev, rfe_def->txpwr_lmt_tbl);
1048         rtw_phy_tx_power_by_rate_config(hal);
1049         rtw_phy_tx_power_limit_config(hal);
1050
1051         return 0;
1052 }
1053
1054 int rtw_chip_info_setup(struct rtw_dev *rtwdev)
1055 {
1056         int ret;
1057
1058         ret = rtw_chip_parameter_setup(rtwdev);
1059         if (ret) {
1060                 rtw_err(rtwdev, "failed to setup chip parameters\n");
1061                 goto err_out;
1062         }
1063
1064         ret = rtw_chip_efuse_info_setup(rtwdev);
1065         if (ret) {
1066                 rtw_err(rtwdev, "failed to setup chip efuse info\n");
1067                 goto err_out;
1068         }
1069
1070         ret = rtw_chip_board_info_setup(rtwdev);
1071         if (ret) {
1072                 rtw_err(rtwdev, "failed to setup chip board info\n");
1073                 goto err_out;
1074         }
1075
1076         return 0;
1077
1078 err_out:
1079         return ret;
1080 }
1081 EXPORT_SYMBOL(rtw_chip_info_setup);
1082
1083 int rtw_core_init(struct rtw_dev *rtwdev)
1084 {
1085         int ret;
1086
1087         INIT_LIST_HEAD(&rtwdev->rsvd_page_list);
1088
1089         timer_setup(&rtwdev->tx_report.purge_timer,
1090                     rtw_tx_report_purge_timer, 0);
1091
1092         INIT_DELAYED_WORK(&rtwdev->watch_dog_work, rtw_watch_dog_work);
1093         INIT_DELAYED_WORK(&rtwdev->lps_work, rtw_lps_work);
1094         INIT_WORK(&rtwdev->c2h_work, rtw_c2h_work);
1095         skb_queue_head_init(&rtwdev->c2h_queue);
1096         skb_queue_head_init(&rtwdev->tx_report.queue);
1097
1098         spin_lock_init(&rtwdev->dm_lock);
1099         spin_lock_init(&rtwdev->rf_lock);
1100         spin_lock_init(&rtwdev->h2c.lock);
1101         spin_lock_init(&rtwdev->tx_report.q_lock);
1102
1103         mutex_init(&rtwdev->mutex);
1104         mutex_init(&rtwdev->hal.tx_power_mutex);
1105
1106         rtwdev->sec.total_cam_num = 32;
1107         rtwdev->hal.current_channel = 1;
1108         set_bit(RTW_BC_MC_MACID, rtwdev->mac_id_map);
1109
1110         mutex_lock(&rtwdev->mutex);
1111         rtw_add_rsvd_page(rtwdev, RSVD_BEACON, false);
1112         mutex_unlock(&rtwdev->mutex);
1113
1114         /* default rx filter setting */
1115         rtwdev->hal.rcr = BIT_APP_FCS | BIT_APP_MIC | BIT_APP_ICV |
1116                           BIT_HTC_LOC_CTRL | BIT_APP_PHYSTS |
1117                           BIT_AB | BIT_AM | BIT_APM;
1118
1119         ret = rtw_load_firmware(rtwdev, rtwdev->chip->fw_name);
1120         if (ret) {
1121                 rtw_warn(rtwdev, "no firmware loaded\n");
1122                 return ret;
1123         }
1124
1125         return 0;
1126 }
1127 EXPORT_SYMBOL(rtw_core_init);
1128
1129 void rtw_core_deinit(struct rtw_dev *rtwdev)
1130 {
1131         struct rtw_fw_state *fw = &rtwdev->fw;
1132         struct rtw_rsvd_page *rsvd_pkt, *tmp;
1133         unsigned long flags;
1134
1135         if (fw->firmware)
1136                 release_firmware(fw->firmware);
1137
1138         spin_lock_irqsave(&rtwdev->tx_report.q_lock, flags);
1139         skb_queue_purge(&rtwdev->tx_report.queue);
1140         spin_unlock_irqrestore(&rtwdev->tx_report.q_lock, flags);
1141
1142         list_for_each_entry_safe(rsvd_pkt, tmp, &rtwdev->rsvd_page_list, list) {
1143                 list_del(&rsvd_pkt->list);
1144                 kfree(rsvd_pkt);
1145         }
1146
1147         mutex_destroy(&rtwdev->mutex);
1148         mutex_destroy(&rtwdev->hal.tx_power_mutex);
1149 }
1150 EXPORT_SYMBOL(rtw_core_deinit);
1151
1152 int rtw_register_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
1153 {
1154         int max_tx_headroom = 0;
1155         int ret;
1156
1157         /* TODO: USB & SDIO may need extra room? */
1158         max_tx_headroom = rtwdev->chip->tx_pkt_desc_sz;
1159
1160         hw->extra_tx_headroom = max_tx_headroom;
1161         hw->queues = IEEE80211_NUM_ACS;
1162         hw->sta_data_size = sizeof(struct rtw_sta_info);
1163         hw->vif_data_size = sizeof(struct rtw_vif);
1164
1165         ieee80211_hw_set(hw, SIGNAL_DBM);
1166         ieee80211_hw_set(hw, RX_INCLUDES_FCS);
1167         ieee80211_hw_set(hw, AMPDU_AGGREGATION);
1168         ieee80211_hw_set(hw, MFP_CAPABLE);
1169         ieee80211_hw_set(hw, REPORTS_TX_ACK_STATUS);
1170         ieee80211_hw_set(hw, SUPPORTS_PS);
1171         ieee80211_hw_set(hw, SUPPORTS_DYNAMIC_PS);
1172
1173         hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1174                                      BIT(NL80211_IFTYPE_AP) |
1175                                      BIT(NL80211_IFTYPE_ADHOC) |
1176                                      BIT(NL80211_IFTYPE_MESH_POINT);
1177
1178         hw->wiphy->flags |= WIPHY_FLAG_SUPPORTS_TDLS |
1179                             WIPHY_FLAG_TDLS_EXTERNAL_SETUP;
1180
1181         rtw_set_supported_band(hw, rtwdev->chip);
1182         SET_IEEE80211_PERM_ADDR(hw, rtwdev->efuse.addr);
1183
1184         rtw_regd_init(rtwdev, rtw_regd_notifier);
1185
1186         ret = ieee80211_register_hw(hw);
1187         if (ret) {
1188                 rtw_err(rtwdev, "failed to register hw\n");
1189                 return ret;
1190         }
1191
1192         if (regulatory_hint(hw->wiphy, rtwdev->regd.alpha2))
1193                 rtw_err(rtwdev, "regulatory_hint fail\n");
1194
1195         rtw_debugfs_init(rtwdev);
1196
1197         return 0;
1198 }
1199 EXPORT_SYMBOL(rtw_register_hw);
1200
1201 void rtw_unregister_hw(struct rtw_dev *rtwdev, struct ieee80211_hw *hw)
1202 {
1203         struct rtw_chip_info *chip = rtwdev->chip;
1204
1205         ieee80211_unregister_hw(hw);
1206         rtw_unset_supported_band(hw, chip);
1207 }
1208 EXPORT_SYMBOL(rtw_unregister_hw);
1209
1210 MODULE_AUTHOR("Realtek Corporation");
1211 MODULE_DESCRIPTION("Realtek 802.11ac wireless core module");
1212 MODULE_LICENSE("Dual BSD/GPL");