drivers/staging/vt6656/card.c

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This source file includes following definitions.
vnt_set_channel
vnt_get_cck_rate
vnt_get_ofdm_rate
vnt_calculate_ofdm_rate
vnt_set_rspinf
vnt_update_ifs
vnt_update_top_rates
vnt_ofdm_min_rate
vnt_get_pkt_type
vnt_get_tsf_offset
vnt_adjust_tsf
vnt_get_current_tsf
vnt_clear_current_tsf
vnt_get_next_tbtt
vnt_reset_next_tbtt
vnt_update_next_tbtt
vnt_radio_power_off
vnt_radio_power_on
vnt_set_bss_mode
   1 // SPDX-License-Identifier: GPL-2.0+
   2 /*
   3  * Copyright (c) 1996, 2003 VIA Networking Technologies, Inc.
   4  * All rights reserved.
   5  *
   6  * File: card.c
   7  * Purpose: Provide functions to setup NIC operation mode
   8  * Functions:
   9  *      vnt_set_rspinf - Set RSPINF
  10  *      vnt_update_ifs - Update slotTime,SIFS,DIFS, and EIFS
  11  *      vnt_update_top_rates - Update BasicTopRate
  12  *      vnt_add_basic_rate - Add to BasicRateSet
  13  *      vnt_ofdm_min_rate - Check if any OFDM rate is in BasicRateSet
  14  *      vnt_get_tsf_offset - Calculate TSFOffset
  15  *      vnt_get_current_tsf - Read Current NIC TSF counter
  16  *      vnt_get_next_tbtt - Calculate Next Beacon TSF counter
  17  *      vnt_reset_next_tbtt - Set NIC Beacon time
  18  *      vnt_update_next_tbtt - Sync. NIC Beacon time
  19  *      vnt_radio_power_off - Turn Off NIC Radio Power
  20  *      vnt_radio_power_on - Turn On NIC Radio Power
  21  *
  22  * Revision History:
  23  *      06-10-2003 Bryan YC Fan:  Re-write codes to support VT3253 spec.
  24  *      08-26-2003 Kyle Hsu:      Modify the definition type of dwIoBase.
  25  *      09-01-2003 Bryan YC Fan:  Add vnt_update_ifs().
  26  *
  27  */
  28 
  29 #include "device.h"
  30 #include "card.h"
  31 #include "baseband.h"
  32 #include "mac.h"
  33 #include "desc.h"
  34 #include "rf.h"
  35 #include "power.h"
  36 #include "key.h"
  37 #include "usbpipe.h"
  38 
  39 /* const u16 cw_rxbcntsf_off[MAX_RATE] =
  40  *   {17, 34, 96, 192, 34, 23, 17, 11, 8, 5, 4, 3};
  41  */
  42 
  43 static const u16 cw_rxbcntsf_off[MAX_RATE] = {
  44         192, 96, 34, 17, 34, 23, 17, 11, 8, 5, 4, 3
  45 };
  46 
  47 /*
  48  * Description: Set NIC media channel
  49  *
  50  * Parameters:
  51  *  In:
  52  *      pDevice             - The adapter to be set
  53  *      connection_channel  - Channel to be set
  54  *  Out:
  55  *      none
  56  */
  57 void vnt_set_channel(struct vnt_private *priv, u32 connection_channel)
  58 {
  59         if (connection_channel > CB_MAX_CHANNEL || !connection_channel)
  60                 return;
  61 
  62         /* clear NAV */
  63         vnt_mac_reg_bits_on(priv, MAC_REG_MACCR, MACCR_CLRNAV);
  64 
  65         /* Set Channel[7] = 0 to tell H/W channel is changing now. */
  66         vnt_mac_reg_bits_off(priv, MAC_REG_CHANNEL, 0xb0);
  67 
  68         vnt_control_out(priv, MESSAGE_TYPE_SELECT_CHANNEL,
  69                         connection_channel, 0, 0, NULL);
  70 
  71         vnt_control_out_u8(priv, MESSAGE_REQUEST_MACREG, MAC_REG_CHANNEL,
  72                            (u8)(connection_channel | 0x80));
  73 }
  74 
  75 /*
  76  * Description: Get CCK mode basic rate
  77  *
  78  * Parameters:
  79  *  In:
  80  *      priv            - The adapter to be set
  81  *      rate_idx        - Receiving data rate
  82  *  Out:
  83  *      none
  84  *
  85  * Return Value: response Control frame rate
  86  *
  87  */
  88 static u16 vnt_get_cck_rate(struct vnt_private *priv, u16 rate_idx)
  89 {
  90         u16 ui = rate_idx;
  91 
  92         while (ui > RATE_1M) {
  93                 if (priv->basic_rates & (1 << ui))
  94                         return ui;
  95                 ui--;
  96         }
  97 
  98         return RATE_1M;
  99 }
 100 
 101 /*
 102  * Description: Get OFDM mode basic rate
 103  *
 104  * Parameters:
 105  *  In:
 106  *      priv            - The adapter to be set
 107  *      rate_idx        - Receiving data rate
 108  *  Out:
 109  *      none
 110  *
 111  * Return Value: response Control frame rate
 112  *
 113  */
 114 static u16 vnt_get_ofdm_rate(struct vnt_private *priv, u16 rate_idx)
 115 {
 116         u16 ui = rate_idx;
 117 
 118         dev_dbg(&priv->usb->dev, "%s basic rate: %d\n",
 119                 __func__,  priv->basic_rates);
 120 
 121         if (!vnt_ofdm_min_rate(priv)) {
 122                 dev_dbg(&priv->usb->dev, "%s (NO OFDM) %d\n",
 123                         __func__, rate_idx);
 124                 if (rate_idx > RATE_24M)
 125                         rate_idx = RATE_24M;
 126                 return rate_idx;
 127         }
 128 
 129         while (ui > RATE_11M) {
 130                 if (priv->basic_rates & (1 << ui)) {
 131                         dev_dbg(&priv->usb->dev, "%s rate: %d\n",
 132                                 __func__, ui);
 133                         return ui;
 134                 }
 135                 ui--;
 136         }
 137 
 138         dev_dbg(&priv->usb->dev, "%s basic rate: 24M\n", __func__);
 139 
 140         return RATE_24M;
 141 }
 142 
 143 /*
 144  * Description: Calculate TxRate and RsvTime fields for RSPINF in OFDM mode.
 145  *
 146  * Parameters:
 147  * In:
 148  *      rate    - Tx Rate
 149  *      bb_type - Tx Packet type
 150  * Out:
 151  *      tx_rate - pointer to RSPINF TxRate field
 152  *      rsv_time- pointer to RSPINF RsvTime field
 153  *
 154  * Return Value: none
 155  *
 156  */
 157 static void vnt_calculate_ofdm_rate(u16 rate, u8 bb_type,
 158                                     u8 *tx_rate, u8 *rsv_time)
 159 {
 160         switch (rate) {
 161         case RATE_6M:
 162                 if (bb_type == BB_TYPE_11A) {
 163                         *tx_rate = 0x9b;
 164                         *rsv_time = 24;
 165                 } else {
 166                         *tx_rate = 0x8b;
 167                         *rsv_time = 30;
 168                 }
 169                 break;
 170         case RATE_9M:
 171                 if (bb_type == BB_TYPE_11A) {
 172                         *tx_rate = 0x9f;
 173                         *rsv_time = 16;
 174                 } else {
 175                         *tx_rate = 0x8f;
 176                         *rsv_time = 22;
 177                 }
 178                 break;
 179         case RATE_12M:
 180                 if (bb_type == BB_TYPE_11A) {
 181                         *tx_rate = 0x9a;
 182                         *rsv_time = 12;
 183                 } else {
 184                         *tx_rate = 0x8a;
 185                         *rsv_time = 18;
 186                 }
 187                 break;
 188         case RATE_18M:
 189                 if (bb_type == BB_TYPE_11A) {
 190                         *tx_rate = 0x9e;
 191                         *rsv_time = 8;
 192                 } else {
 193                         *tx_rate = 0x8e;
 194                         *rsv_time = 14;
 195                 }
 196                 break;
 197         case RATE_36M:
 198                 if (bb_type == BB_TYPE_11A) {
 199                         *tx_rate = 0x9d;
 200                         *rsv_time = 4;
 201                 } else {
 202                         *tx_rate = 0x8d;
 203                         *rsv_time = 10;
 204                 }
 205                 break;
 206         case RATE_48M:
 207                 if (bb_type == BB_TYPE_11A) {
 208                         *tx_rate = 0x98;
 209                         *rsv_time = 4;
 210                 } else {
 211                         *tx_rate = 0x88;
 212                         *rsv_time = 10;
 213                 }
 214                 break;
 215         case RATE_54M:
 216                 if (bb_type == BB_TYPE_11A) {
 217                         *tx_rate = 0x9c;
 218                         *rsv_time = 4;
 219                 } else {
 220                         *tx_rate = 0x8c;
 221                         *rsv_time = 10;
 222                 }
 223                 break;
 224         case RATE_24M:
 225         default:
 226                 if (bb_type == BB_TYPE_11A) {
 227                         *tx_rate = 0x99;
 228                         *rsv_time = 8;
 229                 } else {
 230                         *tx_rate = 0x89;
 231                         *rsv_time = 14;
 232                 }
 233                 break;
 234         }
 235 }
 236 
 237 /*
 238  * Description: Set RSPINF
 239  *
 240  * Parameters:
 241  *  In:
 242  *      pDevice             - The adapter to be set
 243  *  Out:
 244  *      none
 245  *
 246  * Return Value: None.
 247  *
 248  */
 249 
 250 void vnt_set_rspinf(struct vnt_private *priv, u8 bb_type)
 251 {
 252         struct vnt_phy_field phy[4];
 253         u8 tx_rate[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0}; /* For OFDM */
 254         u8 rsv_time[9] = {0, 0, 0, 0, 0, 0, 0, 0, 0};
 255         u8 data[34];
 256         int i;
 257 
 258         /*RSPINF_b_1*/
 259         vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_1M),
 260                           PK_TYPE_11B, &phy[0]);
 261 
 262         /*RSPINF_b_2*/
 263         vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_2M),
 264                           PK_TYPE_11B, &phy[1]);
 265 
 266         /*RSPINF_b_5*/
 267         vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_5M),
 268                           PK_TYPE_11B, &phy[2]);
 269 
 270         /*RSPINF_b_11*/
 271         vnt_get_phy_field(priv, 14, vnt_get_cck_rate(priv, RATE_11M),
 272                           PK_TYPE_11B, &phy[3]);
 273 
 274         /*RSPINF_a_6*/
 275         vnt_calculate_ofdm_rate(RATE_6M, bb_type, &tx_rate[0], &rsv_time[0]);
 276 
 277         /*RSPINF_a_9*/
 278         vnt_calculate_ofdm_rate(RATE_9M, bb_type, &tx_rate[1], &rsv_time[1]);
 279 
 280         /*RSPINF_a_12*/
 281         vnt_calculate_ofdm_rate(RATE_12M, bb_type, &tx_rate[2], &rsv_time[2]);
 282 
 283         /*RSPINF_a_18*/
 284         vnt_calculate_ofdm_rate(RATE_18M, bb_type, &tx_rate[3], &rsv_time[3]);
 285 
 286         /*RSPINF_a_24*/
 287         vnt_calculate_ofdm_rate(RATE_24M, bb_type, &tx_rate[4], &rsv_time[4]);
 288 
 289         /*RSPINF_a_36*/
 290         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_36M),
 291                                 bb_type, &tx_rate[5], &rsv_time[5]);
 292 
 293         /*RSPINF_a_48*/
 294         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_48M),
 295                                 bb_type, &tx_rate[6], &rsv_time[6]);
 296 
 297         /*RSPINF_a_54*/
 298         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M),
 299                                 bb_type, &tx_rate[7], &rsv_time[7]);
 300 
 301         /*RSPINF_a_72*/
 302         vnt_calculate_ofdm_rate(vnt_get_ofdm_rate(priv, RATE_54M),
 303                                 bb_type, &tx_rate[8], &rsv_time[8]);
 304 
 305         put_unaligned(phy[0].len, (u16 *)&data[0]);
 306         data[2] = phy[0].signal;
 307         data[3] = phy[0].service;
 308 
 309         put_unaligned(phy[1].len, (u16 *)&data[4]);
 310         data[6] = phy[1].signal;
 311         data[7] = phy[1].service;
 312 
 313         put_unaligned(phy[2].len, (u16 *)&data[8]);
 314         data[10] = phy[2].signal;
 315         data[11] = phy[2].service;
 316 
 317         put_unaligned(phy[3].len, (u16 *)&data[12]);
 318         data[14] = phy[3].signal;
 319         data[15] = phy[3].service;
 320 
 321         for (i = 0; i < 9; i++) {
 322                 data[16 + i * 2] = tx_rate[i];
 323                 data[16 + i * 2 + 1] = rsv_time[i];
 324         }
 325 
 326         vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_RSPINF_B_1,
 327                         MESSAGE_REQUEST_MACREG, 34, &data[0]);
 328 }
 329 
 330 /*
 331  * Description: Update IFS
 332  *
 333  * Parameters:
 334  *  In:
 335  *      priv - The adapter to be set
 336  * Out:
 337  *      none
 338  *
 339  * Return Value: None.
 340  *
 341  */
 342 void vnt_update_ifs(struct vnt_private *priv)
 343 {
 344         u8 max_min = 0;
 345         u8 data[4];
 346 
 347         if (priv->packet_type == PK_TYPE_11A) {
 348                 priv->slot = C_SLOT_SHORT;
 349                 priv->sifs = C_SIFS_A;
 350                 priv->difs = C_SIFS_A + 2 * C_SLOT_SHORT;
 351                 max_min = 4;
 352         } else {
 353                 priv->sifs = C_SIFS_BG;
 354 
 355                 if (priv->short_slot_time) {
 356                         priv->slot = C_SLOT_SHORT;
 357                         max_min = 4;
 358                 } else {
 359                         priv->slot = C_SLOT_LONG;
 360                         max_min = 5;
 361                 }
 362 
 363                 priv->difs = C_SIFS_BG + 2 * priv->slot;
 364         }
 365 
 366         priv->eifs = C_EIFS;
 367 
 368         switch (priv->rf_type) {
 369         case RF_VT3226D0:
 370                 if (priv->bb_type != BB_TYPE_11B) {
 371                         priv->sifs -= 1;
 372                         priv->difs -= 1;
 373                         break;
 374                 }
 375                 /* fall through */
 376         case RF_AIROHA7230:
 377         case RF_AL2230:
 378         case RF_AL2230S:
 379                 if (priv->bb_type != BB_TYPE_11B)
 380                         break;
 381                 /* fall through */
 382         case RF_RFMD2959:
 383         case RF_VT3226:
 384         case RF_VT3342A0:
 385                 priv->sifs -= 3;
 386                 priv->difs -= 3;
 387                 break;
 388         case RF_MAXIM2829:
 389                 if (priv->bb_type == BB_TYPE_11A) {
 390                         priv->sifs -= 5;
 391                         priv->difs -= 5;
 392                 } else {
 393                         priv->sifs -= 2;
 394                         priv->difs -= 2;
 395                 }
 396 
 397                 break;
 398         }
 399 
 400         data[0] = (u8)priv->sifs;
 401         data[1] = (u8)priv->difs;
 402         data[2] = (u8)priv->eifs;
 403         data[3] = (u8)priv->slot;
 404 
 405         vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_SIFS,
 406                         MESSAGE_REQUEST_MACREG, 4, &data[0]);
 407 
 408         max_min |= 0xa0;
 409 
 410         vnt_control_out(priv, MESSAGE_TYPE_WRITE, MAC_REG_CWMAXMIN0,
 411                         MESSAGE_REQUEST_MACREG, 1, &max_min);
 412 }
 413 
 414 void vnt_update_top_rates(struct vnt_private *priv)
 415 {
 416         u8 top_ofdm = RATE_24M, top_cck = RATE_1M;
 417         u8 i;
 418 
 419         /*Determines the highest basic rate.*/
 420         for (i = RATE_54M; i >= RATE_6M; i--) {
 421                 if (priv->basic_rates & (u16)(1 << i)) {
 422                         top_ofdm = i;
 423                         break;
 424                 }
 425         }
 426 
 427         priv->top_ofdm_basic_rate = top_ofdm;
 428 
 429         for (i = RATE_11M;; i--) {
 430                 if (priv->basic_rates & (u16)(1 << i)) {
 431                         top_cck = i;
 432                         break;
 433                 }
 434                 if (i == RATE_1M)
 435                         break;
 436         }
 437 
 438         priv->top_cck_basic_rate = top_cck;
 439 }
 440 
 441 int vnt_ofdm_min_rate(struct vnt_private *priv)
 442 {
 443         int ii;
 444 
 445         for (ii = RATE_54M; ii >= RATE_6M; ii--) {
 446                 if ((priv->basic_rates) & ((u16)BIT(ii)))
 447                         return true;
 448         }
 449 
 450         return false;
 451 }
 452 
 453 u8 vnt_get_pkt_type(struct vnt_private *priv)
 454 {
 455         if (priv->bb_type == BB_TYPE_11A || priv->bb_type == BB_TYPE_11B)
 456                 return (u8)priv->bb_type;
 457         else if (vnt_ofdm_min_rate(priv))
 458                 return PK_TYPE_11GA;
 459         return PK_TYPE_11GB;
 460 }
 461 
 462 /*
 463  * Description: Calculate TSF offset of two TSF input
 464  *              Get TSF Offset from RxBCN's TSF and local TSF
 465  *
 466  * Parameters:
 467  *  In:
 468  *      rx_rate - rx rate.
 469  *      tsf1    - Rx BCN's TSF
 470  *      tsf2    - Local TSF
 471  *  Out:
 472  *      none
 473  *
 474  * Return Value: TSF Offset value
 475  *
 476  */
 477 u64 vnt_get_tsf_offset(u8 rx_rate, u64 tsf1, u64 tsf2)
 478 {
 479         return tsf1 - tsf2 - (u64)cw_rxbcntsf_off[rx_rate % MAX_RATE];
 480 }
 481 
 482 /*
 483  * Description: Sync. TSF counter to BSS
 484  *              Get TSF offset and write to HW
 485  *
 486  * Parameters:
 487  *  In:
 488  *      priv            - The adapter to be sync.
 489  *      time_stamp      - Rx BCN's TSF
 490  *      local_tsf       - Local TSF
 491  *  Out:
 492  *      none
 493  *
 494  * Return Value: none
 495  *
 496  */
 497 void vnt_adjust_tsf(struct vnt_private *priv, u8 rx_rate,
 498                     u64 time_stamp, u64 local_tsf)
 499 {
 500         u64 tsf_offset = 0;
 501         u8 data[8];
 502 
 503         tsf_offset = vnt_get_tsf_offset(rx_rate, time_stamp, local_tsf);
 504 
 505         data[0] = (u8)tsf_offset;
 506         data[1] = (u8)(tsf_offset >> 8);
 507         data[2] = (u8)(tsf_offset >> 16);
 508         data[3] = (u8)(tsf_offset >> 24);
 509         data[4] = (u8)(tsf_offset >> 32);
 510         data[5] = (u8)(tsf_offset >> 40);
 511         data[6] = (u8)(tsf_offset >> 48);
 512         data[7] = (u8)(tsf_offset >> 56);
 513 
 514         vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 515                         MESSAGE_REQUEST_TSF, 0, 8, data);
 516 }
 517 
 518 /*
 519  * Description: Read NIC TSF counter
 520  *              Get local TSF counter
 521  *
 522  * Parameters:
 523  *  In:
 524  *      priv            - The adapter to be read
 525  *  Out:
 526  *      current_tsf     - Current TSF counter
 527  *
 528  * Return Value: true if success; otherwise false
 529  *
 530  */
 531 bool vnt_get_current_tsf(struct vnt_private *priv, u64 *current_tsf)
 532 {
 533         *current_tsf = priv->current_tsf;
 534 
 535         return true;
 536 }
 537 
 538 /*
 539  * Description: Clear NIC TSF counter
 540  *              Clear local TSF counter
 541  *
 542  * Parameters:
 543  *  In:
 544  *      priv    - The adapter to be read
 545  *
 546  * Return Value: true if success; otherwise false
 547  *
 548  */
 549 bool vnt_clear_current_tsf(struct vnt_private *priv)
 550 {
 551         vnt_mac_reg_bits_on(priv, MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
 552 
 553         priv->current_tsf = 0;
 554 
 555         return true;
 556 }
 557 
 558 /*
 559  * Description: Read NIC TSF counter
 560  *              Get NEXTTBTT from adjusted TSF and Beacon Interval
 561  *
 562  * Parameters:
 563  *  In:
 564  *      tsf             - Current TSF counter
 565  *      beacon_interval - Beacon Interval
 566  *  Out:
 567  *      tsf             - Current TSF counter
 568  *
 569  * Return Value: TSF value of next Beacon
 570  *
 571  */
 572 u64 vnt_get_next_tbtt(u64 tsf, u16 beacon_interval)
 573 {
 574         u32 beacon_int;
 575 
 576         beacon_int = beacon_interval * 1024;
 577 
 578         /* Next TBTT =
 579          *      ((local_current_TSF / beacon_interval) + 1) * beacon_interval
 580          */
 581         if (beacon_int) {
 582                 do_div(tsf, beacon_int);
 583                 tsf += 1;
 584                 tsf *= beacon_int;
 585         }
 586 
 587         return tsf;
 588 }
 589 
 590 /*
 591  * Description: Set NIC TSF counter for first Beacon time
 592  *              Get NEXTTBTT from adjusted TSF and Beacon Interval
 593  *
 594  * Parameters:
 595  *  In:
 596  *      dwIoBase        - IO Base
 597  *      beacon_interval - Beacon Interval
 598  *  Out:
 599  *      none
 600  *
 601  * Return Value: none
 602  *
 603  */
 604 void vnt_reset_next_tbtt(struct vnt_private *priv, u16 beacon_interval)
 605 {
 606         u64 next_tbtt = 0;
 607         u8 data[8];
 608 
 609         vnt_clear_current_tsf(priv);
 610 
 611         next_tbtt = vnt_get_next_tbtt(next_tbtt, beacon_interval);
 612 
 613         data[0] = (u8)next_tbtt;
 614         data[1] = (u8)(next_tbtt >> 8);
 615         data[2] = (u8)(next_tbtt >> 16);
 616         data[3] = (u8)(next_tbtt >> 24);
 617         data[4] = (u8)(next_tbtt >> 32);
 618         data[5] = (u8)(next_tbtt >> 40);
 619         data[6] = (u8)(next_tbtt >> 48);
 620         data[7] = (u8)(next_tbtt >> 56);
 621 
 622         vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 623                         MESSAGE_REQUEST_TBTT, 0, 8, data);
 624 }
 625 
 626 /*
 627  * Description: Sync NIC TSF counter for Beacon time
 628  *              Get NEXTTBTT and write to HW
 629  *
 630  * Parameters:
 631  *  In:
 632  *      priv            - The adapter to be set
 633  *      tsf             - Current TSF counter
 634  *      beacon_interval - Beacon Interval
 635  *  Out:
 636  *      none
 637  *
 638  * Return Value: none
 639  *
 640  */
 641 void vnt_update_next_tbtt(struct vnt_private *priv, u64 tsf,
 642                           u16 beacon_interval)
 643 {
 644         u8 data[8];
 645 
 646         tsf = vnt_get_next_tbtt(tsf, beacon_interval);
 647 
 648         data[0] = (u8)tsf;
 649         data[1] = (u8)(tsf >> 8);
 650         data[2] = (u8)(tsf >> 16);
 651         data[3] = (u8)(tsf >> 24);
 652         data[4] = (u8)(tsf >> 32);
 653         data[5] = (u8)(tsf >> 40);
 654         data[6] = (u8)(tsf >> 48);
 655         data[7] = (u8)(tsf >> 56);
 656 
 657         vnt_control_out(priv, MESSAGE_TYPE_SET_TSFTBTT,
 658                         MESSAGE_REQUEST_TBTT, 0, 8, data);
 659 
 660         dev_dbg(&priv->usb->dev, "%s TBTT: %8llx\n", __func__, tsf);
 661 }
 662 
 663 /*
 664  * Description: Turn off Radio power
 665  *
 666  * Parameters:
 667  *  In:
 668  *      priv         - The adapter to be turned off
 669  *  Out:
 670  *      none
 671  *
 672  * Return Value: true if success; otherwise false
 673  *
 674  */
 675 int vnt_radio_power_off(struct vnt_private *priv)
 676 {
 677         int ret = 0;
 678 
 679         switch (priv->rf_type) {
 680         case RF_AL2230:
 681         case RF_AL2230S:
 682         case RF_AIROHA7230:
 683         case RF_VT3226:
 684         case RF_VT3226D0:
 685         case RF_VT3342A0:
 686                 ret = vnt_mac_reg_bits_off(priv, MAC_REG_SOFTPWRCTL,
 687                                         (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
 688                 break;
 689         }
 690 
 691         if (ret)
 692                 goto end;
 693 
 694         ret = vnt_mac_reg_bits_off(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
 695         if (ret)
 696                 goto end;
 697 
 698         ret = vnt_set_deep_sleep(priv);
 699         if (ret)
 700                 goto end;
 701 
 702         ret = vnt_mac_reg_bits_on(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);
 703 
 704 end:
 705         return ret;
 706 }
 707 
 708 /*
 709  * Description: Turn on Radio power
 710  *
 711  * Parameters:
 712  *  In:
 713  *      priv         - The adapter to be turned on
 714  *  Out:
 715  *      none
 716  *
 717  * Return Value: true if success; otherwise false
 718  *
 719  */
 720 int vnt_radio_power_on(struct vnt_private *priv)
 721 {
 722         int ret = 0;
 723 
 724         vnt_exit_deep_sleep(priv);
 725 
 726         vnt_mac_reg_bits_on(priv, MAC_REG_HOSTCR, HOSTCR_RXON);
 727 
 728         switch (priv->rf_type) {
 729         case RF_AL2230:
 730         case RF_AL2230S:
 731         case RF_AIROHA7230:
 732         case RF_VT3226:
 733         case RF_VT3226D0:
 734         case RF_VT3342A0:
 735                 vnt_mac_reg_bits_on(priv, MAC_REG_SOFTPWRCTL,
 736                                     (SOFTPWRCTL_SWPE2 | SOFTPWRCTL_SWPE3));
 737                 break;
 738         }
 739 
 740         vnt_mac_reg_bits_off(priv, MAC_REG_GPIOCTL1, GPIO3_INTMD);
 741 
 742         return ret;
 743 }
 744 
 745 void vnt_set_bss_mode(struct vnt_private *priv)
 746 {
 747         if (priv->rf_type == RF_AIROHA7230 && priv->bb_type == BB_TYPE_11A)
 748                 vnt_mac_set_bb_type(priv, BB_TYPE_11G);
 749         else
 750                 vnt_mac_set_bb_type(priv, priv->bb_type);
 751 
 752         priv->packet_type = vnt_get_pkt_type(priv);
 753 
 754         if (priv->bb_type == BB_TYPE_11A)
 755                 vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x03);
 756         else if (priv->bb_type == BB_TYPE_11B)
 757                 vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x02);
 758         else if (priv->bb_type == BB_TYPE_11G)
 759                 vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG, 0x88, 0x08);
 760 
 761         vnt_update_ifs(priv);
 762         vnt_set_rspinf(priv, (u8)priv->bb_type);
 763 
 764         if (priv->bb_type == BB_TYPE_11A) {
 765                 if (priv->rf_type == RF_AIROHA7230) {
 766                         priv->bb_vga[0] = 0x20;
 767 
 768                         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG,
 769                                            0xe7, priv->bb_vga[0]);
 770                 }
 771 
 772                 priv->bb_vga[2] = 0x10;
 773                 priv->bb_vga[3] = 0x10;
 774         } else {
 775                 if (priv->rf_type == RF_AIROHA7230) {
 776                         priv->bb_vga[0] = 0x1c;
 777 
 778                         vnt_control_out_u8(priv, MESSAGE_REQUEST_BBREG,
 779                                            0xe7, priv->bb_vga[0]);
 780                 }
 781 
 782                 priv->bb_vga[2] = 0x0;
 783                 priv->bb_vga[3] = 0x0;
 784         }
 785 
 786         vnt_set_vga_gain_offset(priv, priv->bb_vga[0]);
 787 }
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/staging/vt6656/card.c

DEFINITIONS
