drivers/staging/vt6656/card.c

   1 /*
   2  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   3  * All rights reserved.
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 2 of the License, or
   8  * (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License along
  16  * with this program; if not, write to the Free Software Foundation, Inc.,
  17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * File: card.c
  20  * Purpose: Provide functions to setup NIC operation mode
  21  * Functions:
  22  *      vnt_set_rspinf - Set RSPINF
  23  *      vnt_update_ifs - Update slotTime,SIFS,DIFS, and EIFS
  24  *      vnt_update_top_rates - Update BasicTopRate
  25  *      vnt_add_basic_rate - Add to BasicRateSet
  26  *      vnt_ofdm_min_rate - Check if any OFDM rate is in BasicRateSet
  27  *      vnt_get_tsf_offset - Calculate TSFOffset
  28  *      vnt_get_current_tsf - Read Current NIC TSF counter
  29  *      vnt_get_next_tbtt - Calculate Next Beacon TSF counter
  30  *      vnt_reset_next_tbtt - Set NIC Beacon time
  31  *      vnt_update_next_tbtt - Sync. NIC Beacon time
  32  *      vnt_radio_power_off - Turn Off NIC Radio Power
  33  *      vnt_radio_power_on - Turn On NIC Radio Power
  34  *
  35  * Revision History:
  36  *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
  37  *      08-26-2003 Kyle Hsu:      Modify the definition type of dwIoBase.
  38  *      09-01-2003 Bryan YC Fan:  Add vnt_update_ifs().
  39  *
  40  */
  41
  42 #include "device.h"
  43 #include "card.h"
  44 #include "baseband.h"
  45 #include "mac.h"
  46 #include "desc.h"
  47 #include "rf.h"
  48 #include "power.h"
  49 #include "key.h"
  50 #include "usbpipe.h"
  51
  52 /* const u16 cwRXBCNTSFOff[MAX_RATE] =
  53    {17, 34, 96, 192, 34, 23, 17, 11, 8, 5, 4, 3}; */
  54
  55 static const u16 cwRXBCNTSFOff[MAX_RATE] = {
  56         192, 96, 34, 17, 34, 23, 17, 11, 8, 5, 4, 3
  57 };
  58
  59 /*
  60  * Description: Set NIC media channel
  61  *
  62  * Parameters:
  63  *  In:
  64  *      pDevice             - The adapter to be set
  65  *      connection_channel  - Channel to be set
  66  *  Out:
  67  *      none
  68  */
  69 void vnt_set_channel(struct vnt_private *priv, u32 connection_channel)
  70 {
  71
  72         if (connection_channel > CB_MAX_CHANNEL || !connection_channel)
  73                 return;
  74
  75         /* clear NAV */
  76         vnt_mac_reg_bits_on(priv, MAC_REG_MACCR, MACCR_CLRNAV);
  77
  78         /* Set Channel[7] = 0 to tell H/W channel is changing now. */
  79         vnt_mac_reg_bits_off(priv, MAC_REG_CHANNEL, 0xb0);
  80
  81         vnt_control_out(priv, MESSAGE_TYPE_SELECT_CHANNEL,
  82                                         connection_channel, 0, 0, NULL);
  83
  84         vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_CHANNEL,
  85                 (u8)(connection_channel|0x80));
  86 }
  87
  88 /*
  89  * Description: Get CCK mode basic rate
  90  *
  91  * Parameters:
  92  *  In:
  93  *      priv            - The adapter to be set
  94  *      rate_idx        - Receiving data rate
  95  *  Out:
  96  *      none
  97  *
  98  * Return Value: response Control frame rate
  99  *
 100  */
 101 static u16 vnt_get_cck_rate(struct vnt_private *priv, u16 rate_idx)
 102 {
 103         u16 ui = rate_idx;
 104
 105         while (ui > RATE_1M) {
 106                 if (priv->basic_rates & (1 << ui))
 107                         return ui;
 108                 ui--;
 109         }
 110
 111         return RATE_1M;
 112 }
 113
 114 /*
 115  * Description: Get OFDM mode basic rate
 116  *
 117  * Parameters:
 118  *  In:
 119  *      priv            - The adapter to be set
 120  *      rate_idx        - Receiving data rate
 121  *  Out:
 122  *      none
 123  *
 124  * Return Value: response Control frame rate
 125  *
 126  */
 127 static u16 vnt_get_ofdm_rate(struct vnt_private *priv, u16 rate_idx)
 128 {
 129         u16 ui = rate_idx;
 130
 131         dev_dbg(&priv->usb->dev, "%s basic rate: %d\n",
 132                                         __func__,  priv->basic_rates);
 133
 134         if (!vnt_ofdm_min_rate(priv)) {
 135                 dev_dbg(&priv->usb->dev, "%s (NO OFDM) %d\n",
 136                                                 __func__, rate_idx);
 137                 if (rate_idx > RATE_24M)
 138                         rate_idx = RATE_24M;
 139                 return rate_idx;
 140         }
 141
 142         while (ui > RATE_11M) {
 143                 if (priv->basic_rates & (1 << ui)) {
 144                         dev_dbg(&priv->usb->dev, "%s rate: %d\n",
 145                                                         __func__, ui);
 146                         return ui;
 147                 }
 148                 ui--;
 149         }
 150
 151         dev_dbg(&priv->usb->dev, "%s basic rate: 24M\n", __func__);
 152
 153         return RATE_24M;
 154 }
 155
 156 /*
 157  * Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
 158  *
 159  * Parameters:
 160  * In:
 161  *      rate    - Tx Rate
 162  *      bb_type - Tx Packet type
 163  * Out:
 164  *      tx_rate - pointer to RSPINF TxRate field
 165  *      rsv_time- pointer to RSPINF RsvTime field
 166  *
 167  * Return Value: none
 168  *
 169  */
 170 static void vnt_calculate_ofdm_rate(u16 rate, u8 bb_type,
 171                                         u8 *tx_rate, u8 *rsv_time)
 172 {
 173
 174         switch (rate) {
 175         case RATE_6M:
 176                 if (bb_type == BB_TYPE_11A) {
 177                         *tx_rate = 0x9b;
 178                         *rsv_time = 24;
 179                 } else {
 180                         *tx_rate = 0x8b;
 181                         *rsv_time = 30;
 182                 }
 183                         break;
 184         case RATE_9M:
 185                 if (bb_type == BB_TYPE_11A) {
 186                         *tx_rate = 0x9f;
 187                         *rsv_time = 16;
 188                 } else {
 189                         *tx_rate = 0x8f;
 190                         *rsv_time = 22;
 191                 }
 192                 break;
 193         case RATE_12M:
 194                 if (bb_type == BB_TYPE_11A) {
 195                         *tx_rate = 0x9a;
 196                         *rsv_time = 12;
 197                 } else {
 198                         *tx_rate = 0x8a;
 199                         *rsv_time = 18;
 200                 }
 201                 break;
 202         case RATE_18M:
 203                 if (bb_type == BB_TYPE_11A) {
 204                         *tx_rate = 0x9e;
 205                         *rsv_time = 8;
 206                 } else {
 207                         *tx_rate = 0x8e;
 208                         *rsv_time = 14;
 209                 }
 210                 break;
 211         case RATE_36M:
 212                 if (bb_type == BB_TYPE_11A) {
 213                         *tx_rate = 0x9d;
 214                         *rsv_time = 4;
 215                 } else {
 216                         *tx_rate = 0x8d;
 217                         *rsv_time = 10;
 218                 }
 219                 break;
 220         case RATE_48M:
 221                 if (bb_type == BB_TYPE_11A) {
 222                         *tx_rate = 0x98;
 223                         *rsv_time = 4;
 224                 } else {
 225                         *tx_rate = 0x88;
 226                         *rsv_time = 10;
 227                 }
 228                 break;
 229         case RATE_54M:
 230                 if (bb_type == BB_TYPE_11A) {
 231                         *tx_rate = 0x9c;
 232                         *rsv_time = 4;
 233                 } else {
 234                         *tx_rate = 0x8c;
 235                         *rsv_time = 10;
 236                 }
 237                 break;
 238         case RATE_24M:
 239         default:
 240                 if (bb_type == BB_TYPE_11A) {
 241                         *tx_rate = 0x99;
 242                         *rsv_time = 8;
 243                 } else {
 244                         *tx_rate = 0x89;
 245                         *rsv_time = 14;
 246                 }
 247                 break;
 248         }
 249 }
 250
 251 /*
 252  * Description: Set RSPINF
 253  *
 254  * Parameters:
 255  *  In:
 256  *      pDevice             - The adapter to be set
 257  *  Out:
 258  *      none
 259  *
 260  * Return Value: None.
 261  *
 262  */
 263
 264 void vnt_set_rspinf(struct vnt_private *priv, u8 bb_type)
 265 {
 266         struct vnt_phy_field phy[4];
 267         u8 tx_rate[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; /* For OFDM */
 268         u8 rsv_time[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
 269         u8 data[34];
 270         int i;
 271
 272         /*RSPINF_b_1*/
 273         vnt_get_phy_field(priv, 14,
 274                 vnt_get_cck_rate(priv, RATE_1M), PK_TYPE_11B, &phy[0]);
 275
 276         /*RSPINF_b_2*/
 277         vnt_get_phy_field(priv, 14,
 278                 vnt_get_cck_rate(priv, RATE_2M), PK_TYPE_11B, &phy[1]);
 279
 280         /*RSPINF_b_5*/
 281         vnt_get_phy_field(priv, 14,
 282                 vnt_get_cck_rate(priv, RATE_5M), PK_TYPE_11B, &phy[2]);
 283
 284         /*RSPINF_b_11*/
 285         vnt_get_phy_field(priv, 14,
 286                 vnt_get_cck_rate(priv, RATE_11M), PK_TYPE_11B, &phy[3]);
 287
 288
 289         /*RSPINF_a_6*/
 290         vnt_calculate_ofdm_rate(RATE_6M, bb_type, &tx_rate[0], &rsv_time[0]);
 291
 292         /*RSPINF_a_9*/
 293         vnt_calculate_ofdm_rate(RATE_9M, bb_type, &tx_rate[1], &rsv_time[1]);
 294
 295         /*RSPINF_a_12*/
 296         vnt_calculate_ofdm_rate(RATE_12M, bb_type, &tx_rate[2], &rsv_time[2]);
 297
 298         /*RSPINF_a_18*/
 299         vnt_calculate_ofdm_rate(RATE_18M, bb_type, &tx_rate[3], &rsv_time[3]);
 300
 301         /*RSPINF_a_24*/
 302         vnt_calculate_ofdm_rate(RATE_24M, bb_type, &tx_rate[4], &rsv_time[4]);
 303
 304         /*RSPINF_a_36*/
 305         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_36M),
 306                                         bb_type, &tx_rate[5], &rsv_time[5]);
 307
 308         /*RSPINF_a_48*/
 309         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_48M),
 310                                         bb_type, &tx_rate[6], &rsv_time[6]);
 311
 312         /*RSPINF_a_54*/
 313         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M),
 314                                         bb_type, &tx_rate[7], &rsv_time[7]);
 315
 316         /*RSPINF_a_72*/
 317         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M),
 318                                         bb_type, &tx_rate[8], &rsv_time[8]);
 319
 320         put_unaligned(phy[0].len, (u16 *)&data[0]);
 321         data[2] = phy[0].signal;
 322         data[3] = phy[0].service;
 323
 324         put_unaligned(phy[1].len, (u16 *)&data[4]);
 325         data[6] = phy[1].signal;
 326         data[7] = phy[1].service;
 327
 328         put_unaligned(phy[2].len, (u16 *)&data[8]);
 329         data[10] = phy[2].signal;
 330         data[11] = phy[2].service;
 331
 332         put_unaligned(phy[3].len, (u16 *)&data[12]);
 333         data[14] = phy[3].signal;
 334         data[15] = phy[3].service;
 335
 336         for (i = 0; i < 9; i++) {
 337                 data[16 + i * 2] = tx_rate[i];
 338                 data[16 + i * 2 + 1] = rsv_time[i];
 339         }
 340
 341         vnt_control_out(priv, MESSAGE_TYPE_WRITE,
 342                 MAC_REG_RSPINF_B_1, MESSAGE_REQUEST_MACREG, 34, &data[0]);
 343 }
 344
 345 /*
 346  * Description: Update IFS
 347  *
 348  * Parameters:
 349  *  In:
 350  *      priv - The adapter to be set
 351  * Out:
 352  *      none
 353  *
 354  * Return Value: None.
 355  *
 356  */
 357 void vnt_update_ifs(struct vnt_private *priv)
 358 {
 359         u8 max_min = 0;
 360         u8 data[4];
 361
 362         if (priv->packet_type == PK_TYPE_11A) {
 363                 priv->slot = C_SLOT_SHORT;
 364                 priv->sifs = C_SIFS_A;
 365                 priv->difs = C_SIFS_A + 2 * C_SLOT_SHORT;
 366                 max_min = 4;
 367         } else if (priv->packet_type == PK_TYPE_11B) {
 368                 priv->slot = C_SLOT_LONG;
 369                 priv->sifs = C_SIFS_BG;
 370                 priv->difs = C_SIFS_BG + 2 * C_SLOT_LONG;
 371                 max_min = 5;
 372         } else {/* PK_TYPE_11GA & PK_TYPE_11GB */
 373                 bool ofdm_rate = false;
 374                 unsigned int ii = 0;
 375
 376                 priv->sifs = C_SIFS_BG;
 377
 378                 if (priv->short_slot_time)
 379                         priv->slot = C_SLOT_SHORT;
 380                 else
 381                         priv->slot = C_SLOT_LONG;
 382
 383                 priv->difs = C_SIFS_BG + 2 * priv->slot;
 384
 385                 for (ii = RATE_54M; ii >= RATE_6M; ii--) {
 386                         if (priv->basic_rates & ((u32)(0x1 << ii))) {
 387                                 ofdm_rate = true;
 388                                 break;
 389                         }
 390                 }
 391
 392                 if (ofdm_rate == true)
 393                         max_min = 4;
 394                 else
 395                         max_min = 5;
 396         }
 397
 398         priv->eifs = C_EIFS;
 399
 400         switch (priv->rf_type) {
 401         case RF_VT3226D0:
 402                 if (priv->bb_type != BB_TYPE_11B) {
 403                         priv->sifs -= 1;
 404                         priv->difs -= 1;
 405                         break;
 406                 }
 407         case RF_AIROHA7230:
 408         case RF_AL2230:
 409         case RF_AL2230S:
 410                 if (priv->bb_type != BB_TYPE_11B)
 411                         break;
 412         case RF_RFMD2959:
 413         case RF_VT3226:
 414         case RF_VT3342A0:
 415                 priv->sifs -= 3;
 416                 priv->difs -= 3;
 417                 break;
 418         case RF_MAXIM2829:
 419                 if (priv->bb_type == BB_TYPE_11A) {
 420                         priv->sifs -= 5;
 421                         priv->difs -= 5;
 422                 } else {
 423                         priv->sifs -= 2;
 424                         priv->difs -= 2;
 425                 }
 426
 427                 break;
 428         }
 429
 430         data[0] = (u8)priv->sifs;
 431         data[1] = (u8)priv->difs;
 432         data[2] = (u8)priv->eifs;
 433         data[3] = (u8)priv->slot;
 434
 435         vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_SIFS,
 436                 MESSAGE_REQUEST_MACREG, 4, &data[0]);
 437
 438         max_min |= 0xa0;
 439
 440         vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_CWMAXMIN0,
 441                 MESSAGE_REQUEST_MACREG, 1, &max_min);
 442 }
 443
 444 void vnt_update_top_rates(struct vnt_private *priv)
 445 {
 446         u8 top_ofdm = RATE_24M, top_cck = RATE_1M;
 447         u8 i;
 448
 449         /*Determines the highest basic rate.*/
 450         for (i = RATE_54M; i >= RATE_6M; i--) {
 451                 if (priv->basic_rates & (u16)(1 << i)) {
 452                         top_ofdm = i;
 453                         break;
 454                 }
 455         }
 456
 457         priv->top_ofdm_basic_rate = top_ofdm;
 458
 459         for (i = RATE_11M;; i--) {
 460                 if (priv->basic_rates & (u16)(1 << i)) {
 461                         top_cck = i;
 462                         break;
 463                 }
 464                 if (i == RATE_1M)
 465                         break;
 466         }
 467
 468         priv->top_cck_basic_rate = top_cck;
 469 }
 470
 471 int vnt_ofdm_min_rate(struct vnt_private *priv)
 472 {
 473         int ii;
 474
 475         for (ii = RATE_54M; ii >= RATE_6M; ii--) {
 476                 if ((priv->basic_rates) & ((u16)(1 << ii)))
 477                         return true;
 478         }
 479
 480         return false;
 481 }
 482
 483 u8 vnt_get_pkt_type(struct vnt_private *priv)
 484 {
 485
 486         if (priv->bb_type == BB_TYPE_11A || priv->bb_type == BB_TYPE_11B)
 487                 return (u8)priv->bb_type;
 488         else if (vnt_ofdm_min_rate(priv))
 489                 return PK_TYPE_11GA;
 490         return PK_TYPE_11GB;
 491 }
 492
 493 /*
 494  * Description: Calculate TSF offset of two TSF input
 495  *              Get TSF Offset from RxBCN's TSF and local TSF
 496  *
 497  * Parameters:
 498  *  In:
 499  *      rx_rate - rx rate.
 500  *      tsf1    - Rx BCN's TSF
 501  *      tsf2    - Local TSF
 502  *  Out:
 503  *      none
 504  *
 505  * Return Value: TSF Offset value
 506  *
 507  */
 508 u64 vnt_get_tsf_offset(u8 rx_rate, u64 tsf1, u64 tsf2)
 509 {
 510         u64 tsf_offset = 0;
 511         u16 rx_bcn_offset = 0;
 512
 513         rx_bcn_offset = cwRXBCNTSFOff[rx_rate % MAX_RATE];
 514
 515         tsf2 += (u64)rx_bcn_offset;
 516
 517         tsf_offset = tsf1 - tsf2;
 518
 519         return tsf_offset;
 520 }
 521
 522 /*
 523  * Description: Sync. TSF counter to BSS
 524  *              Get TSF offset and write to HW
 525  *
 526  * Parameters:
 527  *  In:
 528  *      priv            - The adapter to be sync.
 529  *      time_stamp      - Rx BCN's TSF
 530  *      local_tsf       - Local TSF
 531  *  Out:
 532  *      none
 533  *
 534  * Return Value: none
 535  *
 536  */
 537 void vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate,
 538                 u64 time_stamp, u64 local_tsf)
 539 {
 540         u64 tsf_offset = 0;
 541         u8 data[8];
 542
 543         tsf_offset = vnt_get_tsf_offset(rx_rate, time_stamp, local_tsf);
 544
 545         data[0] = (u8)tsf_offset;
 546         data[1] = (u8)(tsf_offset >> 8);
 547         data[2] = (u8)(tsf_offset >> 16);
 548         data[3] = (u8)(tsf_offset >> 24);
 549         data[4] = (u8)(tsf_offset >> 32);
 550         data[5] = (u8)(tsf_offset >> 40);
 551         data[6] = (u8)(tsf_offset >> 48);
 552         data[7] = (u8)(tsf_offset >> 56);
 553
 554         vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 555                 MESSAGE_REQUEST_TSF, 0, 8, data);
 556 }
 557 /*
 558  * Description: Read NIC TSF counter
 559  *              Get local TSF counter
 560  *
 561  * Parameters:
 562  *  In:
 563  *      priv            - The adapter to be read
 564  *  Out:
 565  *      current_tsf     - Current TSF counter
 566  *
 567  * Return Value: true if success; otherwise false
 568  *
 569  */
 570 bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf)
 571 {
 572
 573         *current_tsf = priv->current_tsf;
 574
 575         return true;
 576 }
 577
 578 /*
 579  * Description: Clear NIC TSF counter
 580  *              Clear local TSF counter
 581  *
 582  * Parameters:
 583  *  In:
 584  *      priv    - The adapter to be read
 585  *
 586  * Return Value: true if success; otherwise false
 587  *
 588  */
 589 bool vnt_clear_current_tsf(struct vnt_private *priv)
 590 {
 591
 592         vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
 593
 594         priv->current_tsf = 0;
 595
 596         return true;
 597 }
 598
 599 /*
 600  * Description: Read NIC TSF counter
 601  *              Get NEXTTBTT from adjusted TSF and Beacon Interval
 602  *
 603  * Parameters:
 604  *  In:
 605  *      tsf             - Current TSF counter
 606  *      beacon_interval - Beacon Interval
 607  *  Out:
 608  *      tsf             - Current TSF counter
 609  *
 610  * Return Value: TSF value of next Beacon
 611  *
 612  */
 613 u64 vnt_get_next_tbtt(u64 tsf, u16 beacon_interval)
 614 {
 615         u32 beacon_int;
 616
 617         beacon_int = beacon_interval * 1024;
 618
 619         /* Next TBTT =
 620         *       ((local_current_TSF / beacon_interval) + 1) * beacon_interval
 621         */
 622         if (beacon_int) {
 623                 do_div(tsf, beacon_int);
 624                 tsf += 1;
 625                 tsf *= beacon_int;
 626         }
 627
 628         return tsf;
 629 }
 630
 631 /*
 632  * Description: Set NIC TSF counter for first Beacon time
 633  *              Get NEXTTBTT from adjusted TSF and Beacon Interval
 634  *
 635  * Parameters:
 636  *  In:
 637  *      dwIoBase        - IO Base
 638  *      beacon_interval - Beacon Interval
 639  *  Out:
 640  *      none
 641  *
 642  * Return Value: none
 643  *
 644  */
 645 void vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval)
 646 {
 647         u64 next_tbtt = 0;
 648         u8 data[8];
 649
 650         vnt_clear_current_tsf(priv);
 651
 652         next_tbtt = vnt_get_next_tbtt(next_tbtt, beacon_interval);
 653
 654         data[0] = (u8)next_tbtt;
 655         data[1] = (u8)(next_tbtt >> 8);
 656         data[2] = (u8)(next_tbtt >> 16);
 657         data[3] = (u8)(next_tbtt >> 24);
 658         data[4] = (u8)(next_tbtt >> 32);
 659         data[5] = (u8)(next_tbtt >> 40);
 660         data[6] = (u8)(next_tbtt >> 48);
 661         data[7] = (u8)(next_tbtt >> 56);
 662
 663         vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 664                 MESSAGE_REQUEST_TBTT, 0, 8, data);
 665 }
 666
 667 /*
 668  * Description: Sync NIC TSF counter for Beacon time
 669  *              Get NEXTTBTT and write to HW
 670  *
 671  * Parameters:
 672  *  In:
 673  *      priv            - The adapter to be set
 674  *      tsf             - Current TSF counter
 675  *      beacon_interval - Beacon Interval
 676  *  Out:
 677  *      none
 678  *
 679  * Return Value: none
 680  *
 681  */
 682 void vnt_update_next_tbtt(struct vnt_private *priv, u64 tsf,
 683                         u16 beacon_interval)
 684 {
 685         u8 data[8];
 686
 687         tsf = vnt_get_next_tbtt(tsf, beacon_interval);
 688
 689         data[0] = (u8)tsf;
 690         data[1] = (u8)(tsf >> 8);
 691         data[2] = (u8)(tsf >> 16);
 692         data[3] = (u8)(tsf >> 24);
 693         data[4] = (u8)(tsf >> 32);
 694         data[5] = (u8)(tsf >> 40);
 695         data[6] = (u8)(tsf >> 48);
 696         data[7] = (u8)(tsf >> 56);
 697
 698         vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 699                         MESSAGE_REQUEST_TBTT, 0, 8, data);
 700
 701         dev_dbg(&priv->usb->dev, "%s TBTT: %8llx\n", __func__, tsf);
 702 }
 703
 704 /*
 705  * Description: Turn off Radio power
 706  *
 707  * Parameters:
 708  *  In:
 709  *      priv         - The adapter to be turned off
 710  *  Out:
 711  *      none
 712  *
 713  * Return Value: true if success; otherwise false
 714  *
 715  */
 716 int vnt_radio_power_off(struct vnt_private *priv)
 717 {
 718         int ret = true;
 719
 720         switch (priv->rf_type) {
 721         case RF_AL2230:
 722         case RF_AL2230S:
 723         case RF_AIROHA7230:
 724         case RF_VT3226:
 725         case RF_VT3226D0:
 726         case RF_VT3342A0:
 727                 vnt_mac_reg_bits_off(priv, MAC_REG_SOFTPWRCTL,
 728                                 (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
 729                 break;
 730         }
 731
 732         vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
 733
 734         vnt_set_deep_sleep(priv);
 735
 736         vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);
 737
 738         return ret;
 739 }
 740
 741 /*
 742  * Description: Turn on Radio power
 743  *
 744  * Parameters:
 745  *  In:
 746  *      priv         - The adapter to be turned on
 747  *  Out:
 748  *      none
 749  *
 750  * Return Value: true if success; otherwise false
 751  *
 752  */
 753 int vnt_radio_power_on(struct vnt_private *priv)
 754 {
 755         int ret = true;
 756
 757         vnt_exit_deep_sleep(priv);
 758
 759         vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
 760
 761         switch (priv->rf_type) {
 762         case RF_AL2230:
 763         case RF_AL2230S:
 764         case RF_AIROHA7230:
 765         case RF_VT3226:
 766         case RF_VT3226D0:
 767         case RF_VT3342A0:
 768                 vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
 769                         (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
 770                 break;
 771         }
 772
 773         vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);
 774
 775         return ret;
 776 }
 777
 778 void vnt_set_bss_mode(struct vnt_private *priv)
 779 {
 780         if (priv->rf_type == RF_AIROHA7230 && priv->bb_type == BB_TYPE_11A)
 781                 vnt_mac_set_bb_type(priv, BB_TYPE_11G);
 782         else
 783                 vnt_mac_set_bb_type(priv, priv->bb_type);
 784
 785         priv->packet_type = vnt_get_pkt_type(priv);
 786
 787         if (priv->bb_type == BB_TYPE_11A)
 788                 vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x03);
 789         else if (priv->bb_type == BB_TYPE_11B)
 790                 vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x02);
 791         else if (priv->bb_type == BB_TYPE_11G)
 792                 vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x08);
 793
 794         vnt_update_ifs(priv);
 795         vnt_set_rspinf(priv, (u8)priv->bb_type);
 796
 797         if (priv->bb_type == BB_TYPE_11A) {
 798                 if (priv->rf_type == RF_AIROHA7230) {
 799                         priv->bb_vga[0] = 0x20;
 800
 801                         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG,
 802                                                 0xe7, priv->bb_vga[0]);
 803                 }
 804
 805                 priv->bb_vga[2] = 0x10;
 806                 priv->bb_vga[3] = 0x10;
 807         } else {
 808                 if (priv->rf_type == RF_AIROHA7230) {
 809                         priv->bb_vga[0] = 0x1c;
 810
 811                         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG,
 812                                                 0xe7, priv->bb_vga[0]);
 813                 }
 814
 815                 priv->bb_vga[2] = 0x0;
 816                 priv->bb_vga[3] = 0x0;
 817         }
 818
 819         vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
 820 }