drivers/staging/vt6655/device_main.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: device_main.c
  20  *
  21  * Purpose: driver entry for initial, open, close, tx and rx.
  22  *
  23  * Author: Lyndon Chen
  24  *
  25  * Date: Jan 8, 2003
  26  *
  27  * Functions:
  28  *
  29  *   vt6655_probe - module initial (insmod) driver entry
  30  *   vt6655_remove - module remove entry
  31  *   vt6655_init_info - device structure resource allocation function
  32  *   device_free_info - device structure resource free function
  33  *   device_get_pci_info - get allocated pci io/mem resource
  34  *   device_print_info - print out resource
  35  *   device_rx_srv - rx service function
  36  *   device_alloc_rx_buf - rx buffer pre-allocated function
  37  *   device_free_tx_buf - free tx buffer function
  38  *   device_init_rd0_ring- initial rd dma0 ring
  39  *   device_init_rd1_ring- initial rd dma1 ring
  40  *   device_init_td0_ring- initial tx dma0 ring buffer
  41  *   device_init_td1_ring- initial tx dma1 ring buffer
  42  *   device_init_registers- initial MAC & BBP & RF internal registers.
  43  *   device_init_rings- initial tx/rx ring buffer
  44  *   device_free_rings- free all allocated ring buffer
  45  *   device_tx_srv- tx interrupt service function
  46  *
  47  * Revision History:
  48  */
  49 #undef __NO_VERSION__
  50
  51 #include <linux/file.h>
  52 #include "device.h"
  53 #include "card.h"
  54 #include "channel.h"
  55 #include "baseband.h"
  56 #include "mac.h"
  57 #include "power.h"
  58 #include "rxtx.h"
  59 #include "dpc.h"
  60 #include "rf.h"
  61 #include <linux/delay.h>
  62 #include <linux/kthread.h>
  63 #include <linux/slab.h>
  64
  65 /*---------------------  Static Definitions -------------------------*/
  66 /*
  67  * Define module options
  68  */
  69 MODULE_AUTHOR("VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>");
  70 MODULE_LICENSE("GPL");
  71 MODULE_DESCRIPTION("VIA Networking Solomon-A/B/G Wireless LAN Adapter Driver");
  72
  73 #define DEVICE_PARAM(N, D)
  74
  75 #define RX_DESC_MIN0     16
  76 #define RX_DESC_MAX0     128
  77 #define RX_DESC_DEF0     32
  78 DEVICE_PARAM(RxDescriptors0, "Number of receive descriptors0");
  79
  80 #define RX_DESC_MIN1     16
  81 #define RX_DESC_MAX1     128
  82 #define RX_DESC_DEF1     32
  83 DEVICE_PARAM(RxDescriptors1, "Number of receive descriptors1");
  84
  85 #define TX_DESC_MIN0     16
  86 #define TX_DESC_MAX0     128
  87 #define TX_DESC_DEF0     32
  88 DEVICE_PARAM(TxDescriptors0, "Number of transmit descriptors0");
  89
  90 #define TX_DESC_MIN1     16
  91 #define TX_DESC_MAX1     128
  92 #define TX_DESC_DEF1     64
  93 DEVICE_PARAM(TxDescriptors1, "Number of transmit descriptors1");
  94
  95 #define INT_WORKS_DEF   20
  96 #define INT_WORKS_MIN   10
  97 #define INT_WORKS_MAX   64
  98
  99 DEVICE_PARAM(int_works, "Number of packets per interrupt services");
 100
 101 #define RTS_THRESH_DEF     2347
 102
 103 #define FRAG_THRESH_DEF     2346
 104
 105 #define SHORT_RETRY_MIN     0
 106 #define SHORT_RETRY_MAX     31
 107 #define SHORT_RETRY_DEF     8
 108
 109 DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits");
 110
 111 #define LONG_RETRY_MIN     0
 112 #define LONG_RETRY_MAX     15
 113 #define LONG_RETRY_DEF     4
 114
 115 DEVICE_PARAM(LongRetryLimit, "long frame retry limits");
 116
 117 /* BasebandType[] baseband type selected
 118    0: indicate 802.11a type
 119    1: indicate 802.11b type
 120    2: indicate 802.11g type
 121 */
 122 #define BBP_TYPE_MIN     0
 123 #define BBP_TYPE_MAX     2
 124 #define BBP_TYPE_DEF     2
 125
 126 DEVICE_PARAM(BasebandType, "baseband type");
 127
 128 /*
 129  * Static vars definitions
 130  */
 131 static const struct pci_device_id vt6655_pci_id_table[] = {
 132         { PCI_VDEVICE(VIA, 0x3253) },
 133         { 0, }
 134 };
 135
 136 /*---------------------  Static Functions  --------------------------*/
 137
 138 static int  vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent);
 139 static void vt6655_init_info(struct pci_dev *pcid,
 140                              struct vnt_private **ppDevice);
 141 static void device_free_info(struct vnt_private *pDevice);
 142 static bool device_get_pci_info(struct vnt_private *, struct pci_dev *pcid);
 143 static void device_print_info(struct vnt_private *pDevice);
 144
 145 static void device_init_rd0_ring(struct vnt_private *pDevice);
 146 static void device_init_rd1_ring(struct vnt_private *pDevice);
 147 static void device_init_td0_ring(struct vnt_private *pDevice);
 148 static void device_init_td1_ring(struct vnt_private *pDevice);
 149
 150 static int  device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx);
 151 static int  device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx);
 152 static bool device_alloc_rx_buf(struct vnt_private *, struct vnt_rx_desc *);
 153 static void device_init_registers(struct vnt_private *pDevice);
 154 static void device_free_tx_buf(struct vnt_private *, struct vnt_tx_desc *);
 155 static void device_free_td0_ring(struct vnt_private *pDevice);
 156 static void device_free_td1_ring(struct vnt_private *pDevice);
 157 static void device_free_rd0_ring(struct vnt_private *pDevice);
 158 static void device_free_rd1_ring(struct vnt_private *pDevice);
 159 static void device_free_rings(struct vnt_private *pDevice);
 160
 161 /*---------------------  Export Variables  --------------------------*/
 162
 163 /*---------------------  Export Functions  --------------------------*/
 164
 165 static void vt6655_remove(struct pci_dev *pcid)
 166 {
 167         struct vnt_private *pDevice = pci_get_drvdata(pcid);
 168
 169         if (pDevice == NULL)
 170                 return;
 171         device_free_info(pDevice);
 172 }
 173
 174 static void device_get_options(struct vnt_private *pDevice)
 175 {
 176         POPTIONS pOpts = &(pDevice->sOpts);
 177
 178         pOpts->nRxDescs0 = RX_DESC_DEF0;
 179         pOpts->nRxDescs1 = RX_DESC_DEF1;
 180         pOpts->nTxDescs[0] = TX_DESC_DEF0;
 181         pOpts->nTxDescs[1] = TX_DESC_DEF1;
 182         pOpts->int_works = INT_WORKS_DEF;
 183
 184         pOpts->short_retry = SHORT_RETRY_DEF;
 185         pOpts->long_retry = LONG_RETRY_DEF;
 186         pOpts->bbp_type = BBP_TYPE_DEF;
 187 }
 188
 189 static void
 190 device_set_options(struct vnt_private *pDevice)
 191 {
 192         pDevice->byShortRetryLimit = pDevice->sOpts.short_retry;
 193         pDevice->byLongRetryLimit = pDevice->sOpts.long_retry;
 194         pDevice->byBBType = pDevice->sOpts.bbp_type;
 195         pDevice->byPacketType = pDevice->byBBType;
 196         pDevice->byAutoFBCtrl = AUTO_FB_0;
 197         pDevice->bUpdateBBVGA = true;
 198         pDevice->byPreambleType = 0;
 199
 200         pr_debug(" byShortRetryLimit= %d\n", (int)pDevice->byShortRetryLimit);
 201         pr_debug(" byLongRetryLimit= %d\n", (int)pDevice->byLongRetryLimit);
 202         pr_debug(" byPreambleType= %d\n", (int)pDevice->byPreambleType);
 203         pr_debug(" byShortPreamble= %d\n", (int)pDevice->byShortPreamble);
 204         pr_debug(" byBBType= %d\n", (int)pDevice->byBBType);
 205 }
 206
 207 /*
 208  * Initialisation of MAC & BBP registers
 209  */
 210
 211 static void device_init_registers(struct vnt_private *pDevice)
 212 {
 213         unsigned long flags;
 214         unsigned int ii;
 215         unsigned char byValue;
 216         unsigned char byCCKPwrdBm = 0;
 217         unsigned char byOFDMPwrdBm = 0;
 218
 219         MACbShutdown(pDevice->PortOffset);
 220         BBvSoftwareReset(pDevice);
 221
 222         /* Do MACbSoftwareReset in MACvInitialize */
 223         MACbSoftwareReset(pDevice->PortOffset);
 224
 225         pDevice->bAES = false;
 226
 227         /* Only used in 11g type, sync with ERP IE */
 228         pDevice->bProtectMode = false;
 229
 230         pDevice->bNonERPPresent = false;
 231         pDevice->bBarkerPreambleMd = false;
 232         pDevice->wCurrentRate = RATE_1M;
 233         pDevice->byTopOFDMBasicRate = RATE_24M;
 234         pDevice->byTopCCKBasicRate = RATE_1M;
 235
 236         /* Target to IF pin while programming to RF chip. */
 237         pDevice->byRevId = 0;
 238
 239         /* init MAC */
 240         MACvInitialize(pDevice->PortOffset);
 241
 242         /* Get Local ID */
 243         VNSvInPortB(pDevice->PortOffset + MAC_REG_LOCALID, &pDevice->byLocalID);
 244
 245         spin_lock_irqsave(&pDevice->lock, flags);
 246
 247         SROMvReadAllContents(pDevice->PortOffset, pDevice->abyEEPROM);
 248
 249         spin_unlock_irqrestore(&pDevice->lock, flags);
 250
 251         /* Get Channel range */
 252         pDevice->byMinChannel = 1;
 253         pDevice->byMaxChannel = CB_MAX_CHANNEL;
 254
 255         /* Get Antena */
 256         byValue = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_ANTENNA);
 257         if (byValue & EEP_ANTINV)
 258                 pDevice->bTxRxAntInv = true;
 259         else
 260                 pDevice->bTxRxAntInv = false;
 261
 262         byValue &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
 263         /* if not set default is All */
 264         if (byValue == 0)
 265                 byValue = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN);
 266
 267         if (byValue == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) {
 268                 pDevice->byAntennaCount = 2;
 269                 pDevice->byTxAntennaMode = ANT_B;
 270                 pDevice->dwTxAntennaSel = 1;
 271                 pDevice->dwRxAntennaSel = 1;
 272
 273                 if (pDevice->bTxRxAntInv)
 274                         pDevice->byRxAntennaMode = ANT_A;
 275                 else
 276                         pDevice->byRxAntennaMode = ANT_B;
 277         } else  {
 278                 pDevice->byAntennaCount = 1;
 279                 pDevice->dwTxAntennaSel = 0;
 280                 pDevice->dwRxAntennaSel = 0;
 281
 282                 if (byValue & EEP_ANTENNA_AUX) {
 283                         pDevice->byTxAntennaMode = ANT_A;
 284
 285                         if (pDevice->bTxRxAntInv)
 286                                 pDevice->byRxAntennaMode = ANT_B;
 287                         else
 288                                 pDevice->byRxAntennaMode = ANT_A;
 289                 } else {
 290                         pDevice->byTxAntennaMode = ANT_B;
 291
 292                         if (pDevice->bTxRxAntInv)
 293                                 pDevice->byRxAntennaMode = ANT_A;
 294                         else
 295                                 pDevice->byRxAntennaMode = ANT_B;
 296                 }
 297         }
 298
 299         /* Set initial antenna mode */
 300         BBvSetTxAntennaMode(pDevice, pDevice->byTxAntennaMode);
 301         BBvSetRxAntennaMode(pDevice, pDevice->byRxAntennaMode);
 302
 303         /* zonetype initial */
 304         pDevice->byOriginalZonetype = pDevice->abyEEPROM[EEP_OFS_ZONETYPE];
 305
 306         if (!pDevice->bZoneRegExist)
 307                 pDevice->byZoneType = pDevice->abyEEPROM[EEP_OFS_ZONETYPE];
 308
 309         pr_debug("pDevice->byZoneType = %x\n", pDevice->byZoneType);
 310
 311         /* Init RF module */
 312         RFbInit(pDevice);
 313
 314         /* Get Desire Power Value */
 315         pDevice->byCurPwr = 0xFF;
 316         pDevice->byCCKPwr = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_PWR_CCK);
 317         pDevice->byOFDMPwrG = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_PWR_OFDMG);
 318
 319         /* Load power Table */
 320         for (ii = 0; ii < CB_MAX_CHANNEL_24G; ii++) {
 321                 pDevice->abyCCKPwrTbl[ii + 1] =
 322                         SROMbyReadEmbedded(pDevice->PortOffset,
 323                                            (unsigned char)(ii + EEP_OFS_CCK_PWR_TBL));
 324                 if (pDevice->abyCCKPwrTbl[ii + 1] == 0)
 325                         pDevice->abyCCKPwrTbl[ii+1] = pDevice->byCCKPwr;
 326
 327                 pDevice->abyOFDMPwrTbl[ii + 1] =
 328                         SROMbyReadEmbedded(pDevice->PortOffset,
 329                                            (unsigned char)(ii + EEP_OFS_OFDM_PWR_TBL));
 330                 if (pDevice->abyOFDMPwrTbl[ii + 1] == 0)
 331                         pDevice->abyOFDMPwrTbl[ii + 1] = pDevice->byOFDMPwrG;
 332
 333                 pDevice->abyCCKDefaultPwr[ii + 1] = byCCKPwrdBm;
 334                 pDevice->abyOFDMDefaultPwr[ii + 1] = byOFDMPwrdBm;
 335         }
 336
 337         /* recover 12,13 ,14channel for EUROPE by 11 channel */
 338         for (ii = 11; ii < 14; ii++) {
 339                 pDevice->abyCCKPwrTbl[ii] = pDevice->abyCCKPwrTbl[10];
 340                 pDevice->abyOFDMPwrTbl[ii] = pDevice->abyOFDMPwrTbl[10];
 341         }
 342
 343         /* Load OFDM A Power Table */
 344         for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) {
 345                 pDevice->abyOFDMPwrTbl[ii + CB_MAX_CHANNEL_24G + 1] =
 346                         SROMbyReadEmbedded(pDevice->PortOffset,
 347                                            (unsigned char)(ii + EEP_OFS_OFDMA_PWR_TBL));
 348
 349                 pDevice->abyOFDMDefaultPwr[ii + CB_MAX_CHANNEL_24G + 1] =
 350                         SROMbyReadEmbedded(pDevice->PortOffset,
 351                                            (unsigned char)(ii + EEP_OFS_OFDMA_PWR_dBm));
 352         }
 353
 354         if (pDevice->byLocalID > REV_ID_VT3253_B1) {
 355                 MACvSelectPage1(pDevice->PortOffset);
 356
 357                 VNSvOutPortB(pDevice->PortOffset + MAC_REG_MSRCTL + 1,
 358                              (MSRCTL1_TXPWR | MSRCTL1_CSAPAREN));
 359
 360                 MACvSelectPage0(pDevice->PortOffset);
 361         }
 362
 363         /* use relative tx timeout and 802.11i D4 */
 364         MACvWordRegBitsOn(pDevice->PortOffset,
 365                           MAC_REG_CFG, (CFG_TKIPOPT | CFG_NOTXTIMEOUT));
 366
 367         /* set performance parameter by registry */
 368         MACvSetShortRetryLimit(pDevice->PortOffset, pDevice->byShortRetryLimit);
 369         MACvSetLongRetryLimit(pDevice->PortOffset, pDevice->byLongRetryLimit);
 370
 371         /* reset TSF counter */
 372         VNSvOutPortB(pDevice->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
 373         /* enable TSF counter */
 374         VNSvOutPortB(pDevice->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
 375
 376         /* initialize BBP registers */
 377         BBbVT3253Init(pDevice);
 378
 379         if (pDevice->bUpdateBBVGA) {
 380                 pDevice->byBBVGACurrent = pDevice->abyBBVGA[0];
 381                 pDevice->byBBVGANew = pDevice->byBBVGACurrent;
 382                 BBvSetVGAGainOffset(pDevice, pDevice->abyBBVGA[0]);
 383         }
 384
 385         BBvSetRxAntennaMode(pDevice, pDevice->byRxAntennaMode);
 386         BBvSetTxAntennaMode(pDevice, pDevice->byTxAntennaMode);
 387
 388         /* Set BB and packet type at the same time. */
 389         /* Set Short Slot Time, xIFS, and RSPINF. */
 390         pDevice->wCurrentRate = RATE_54M;
 391
 392         pDevice->bRadioOff = false;
 393
 394         pDevice->byRadioCtl = SROMbyReadEmbedded(pDevice->PortOffset,
 395                                                  EEP_OFS_RADIOCTL);
 396         pDevice->bHWRadioOff = false;
 397
 398         if (pDevice->byRadioCtl & EEP_RADIOCTL_ENABLE) {
 399                 /* Get GPIO */
 400                 MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO);
 401
 402                 if (((pDevice->byGPIO & GPIO0_DATA) &&
 403                      !(pDevice->byRadioCtl & EEP_RADIOCTL_INV)) ||
 404                      (!(pDevice->byGPIO & GPIO0_DATA) &&
 405                      (pDevice->byRadioCtl & EEP_RADIOCTL_INV)))
 406                         pDevice->bHWRadioOff = true;
 407         }
 408
 409         if (pDevice->bHWRadioOff || pDevice->bRadioControlOff)
 410                 CARDbRadioPowerOff(pDevice);
 411
 412         /* get Permanent network address */
 413         SROMvReadEtherAddress(pDevice->PortOffset, pDevice->abyCurrentNetAddr);
 414         pr_debug("Network address = %pM\n", pDevice->abyCurrentNetAddr);
 415
 416         /* reset Tx pointer */
 417         CARDvSafeResetRx(pDevice);
 418         /* reset Rx pointer */
 419         CARDvSafeResetTx(pDevice);
 420
 421         if (pDevice->byLocalID <= REV_ID_VT3253_A1)
 422                 MACvRegBitsOn(pDevice->PortOffset, MAC_REG_RCR, RCR_WPAERR);
 423
 424         /* Turn On Rx DMA */
 425         MACvReceive0(pDevice->PortOffset);
 426         MACvReceive1(pDevice->PortOffset);
 427
 428         /* start the adapter */
 429         MACvStart(pDevice->PortOffset);
 430 }
 431
 432 static void device_print_info(struct vnt_private *pDevice)
 433 {
 434         dev_info(&pDevice->pcid->dev, "MAC=%pM IO=0x%lx Mem=0x%lx IRQ=%d\n",
 435                  pDevice->abyCurrentNetAddr, (unsigned long)pDevice->ioaddr,
 436                  (unsigned long)pDevice->PortOffset, pDevice->pcid->irq);
 437 }
 438
 439 static void vt6655_init_info(struct pci_dev *pcid,
 440                              struct vnt_private **ppDevice)
 441 {
 442         memset(*ppDevice, 0, sizeof(**ppDevice));
 443
 444         (*ppDevice)->pcid = pcid;
 445         (*ppDevice)->multicast_limit = 32;
 446
 447         spin_lock_init(&((*ppDevice)->lock));
 448 }
 449
 450 static bool device_get_pci_info(struct vnt_private *pDevice,
 451                                 struct pci_dev *pcid)
 452 {
 453         u16 pci_cmd;
 454         u8  b;
 455         unsigned int cis_addr;
 456
 457         pci_read_config_byte(pcid, PCI_REVISION_ID, &pDevice->byRevId);
 458         pci_read_config_word(pcid, PCI_SUBSYSTEM_ID, &pDevice->SubSystemID);
 459         pci_read_config_word(pcid, PCI_SUBSYSTEM_VENDOR_ID, &pDevice->SubVendorID);
 460         pci_read_config_word(pcid, PCI_COMMAND, (u16 *)&(pci_cmd));
 461
 462         pci_set_master(pcid);
 463
 464         pDevice->memaddr = pci_resource_start(pcid, 0);
 465         pDevice->ioaddr = pci_resource_start(pcid, 1);
 466
 467         cis_addr = pci_resource_start(pcid, 2);
 468
 469         pDevice->pcid = pcid;
 470
 471         pci_read_config_byte(pcid, PCI_COMMAND, &b);
 472         pci_write_config_byte(pcid, PCI_COMMAND, (b|PCI_COMMAND_MASTER));
 473
 474         return true;
 475 }
 476
 477 static void device_free_info(struct vnt_private *pDevice)
 478 {
 479         if (!pDevice)
 480                 return;
 481
 482         if (pDevice->mac_hw)
 483                 ieee80211_unregister_hw(pDevice->hw);
 484
 485         if (pDevice->PortOffset)
 486                 iounmap(pDevice->PortOffset);
 487
 488         if (pDevice->pcid)
 489                 pci_release_regions(pDevice->pcid);
 490
 491         if (pDevice->hw)
 492                 ieee80211_free_hw(pDevice->hw);
 493 }
 494
 495 static bool device_init_rings(struct vnt_private *pDevice)
 496 {
 497         void *vir_pool;
 498
 499         /*allocate all RD/TD rings a single pool*/
 500         vir_pool = dma_zalloc_coherent(&pDevice->pcid->dev,
 501                                          pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc) +
 502                                          pDevice->sOpts.nRxDescs1 * sizeof(struct vnt_rx_desc) +
 503                                          pDevice->sOpts.nTxDescs[0] * sizeof(struct vnt_tx_desc) +
 504                                          pDevice->sOpts.nTxDescs[1] * sizeof(struct vnt_tx_desc),
 505                                          &pDevice->pool_dma, GFP_ATOMIC);
 506         if (vir_pool == NULL) {
 507                 dev_err(&pDevice->pcid->dev, "allocate desc dma memory failed\n");
 508                 return false;
 509         }
 510
 511         pDevice->aRD0Ring = vir_pool;
 512         pDevice->aRD1Ring = vir_pool +
 513                 pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc);
 514
 515         pDevice->rd0_pool_dma = pDevice->pool_dma;
 516         pDevice->rd1_pool_dma = pDevice->rd0_pool_dma +
 517                 pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc);
 518
 519         pDevice->tx0_bufs = dma_zalloc_coherent(&pDevice->pcid->dev,
 520                                                   pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
 521                                                   pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
 522                                                   CB_BEACON_BUF_SIZE +
 523                                                   CB_MAX_BUF_SIZE,
 524                                                   &pDevice->tx_bufs_dma0,
 525                                                   GFP_ATOMIC);
 526         if (pDevice->tx0_bufs == NULL) {
 527                 dev_err(&pDevice->pcid->dev, "allocate buf dma memory failed\n");
 528
 529                 dma_free_coherent(&pDevice->pcid->dev,
 530                                     pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc) +
 531                                     pDevice->sOpts.nRxDescs1 * sizeof(struct vnt_rx_desc) +
 532                                     pDevice->sOpts.nTxDescs[0] * sizeof(struct vnt_tx_desc) +
 533                                     pDevice->sOpts.nTxDescs[1] * sizeof(struct vnt_tx_desc),
 534                                     vir_pool, pDevice->pool_dma
 535                         );
 536                 return false;
 537         }
 538
 539         pDevice->td0_pool_dma = pDevice->rd1_pool_dma +
 540                 pDevice->sOpts.nRxDescs1 * sizeof(struct vnt_rx_desc);
 541
 542         pDevice->td1_pool_dma = pDevice->td0_pool_dma +
 543                 pDevice->sOpts.nTxDescs[0] * sizeof(struct vnt_tx_desc);
 544
 545         /* vir_pool: pvoid type */
 546         pDevice->apTD0Rings = vir_pool
 547                 + pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc)
 548                 + pDevice->sOpts.nRxDescs1 * sizeof(struct vnt_rx_desc);
 549
 550         pDevice->apTD1Rings = vir_pool
 551                 + pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc)
 552                 + pDevice->sOpts.nRxDescs1 * sizeof(struct vnt_rx_desc)
 553                 + pDevice->sOpts.nTxDescs[0] * sizeof(struct vnt_tx_desc);
 554
 555         pDevice->tx1_bufs = pDevice->tx0_bufs +
 556                 pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ;
 557
 558         pDevice->tx_beacon_bufs = pDevice->tx1_bufs +
 559                 pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ;
 560
 561         pDevice->pbyTmpBuff = pDevice->tx_beacon_bufs +
 562                 CB_BEACON_BUF_SIZE;
 563
 564         pDevice->tx_bufs_dma1 = pDevice->tx_bufs_dma0 +
 565                 pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ;
 566
 567         pDevice->tx_beacon_dma = pDevice->tx_bufs_dma1 +
 568                 pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ;
 569
 570         return true;
 571 }
 572
 573 static void device_free_rings(struct vnt_private *pDevice)
 574 {
 575         dma_free_coherent(&pDevice->pcid->dev,
 576                             pDevice->sOpts.nRxDescs0 * sizeof(struct vnt_rx_desc) +
 577                             pDevice->sOpts.nRxDescs1 * sizeof(struct vnt_rx_desc) +
 578                             pDevice->sOpts.nTxDescs[0] * sizeof(struct vnt_tx_desc) +
 579                             pDevice->sOpts.nTxDescs[1] * sizeof(struct vnt_tx_desc)
 580                             ,
 581                             pDevice->aRD0Ring, pDevice->pool_dma
 582                 );
 583
 584         if (pDevice->tx0_bufs)
 585                 dma_free_coherent(&pDevice->pcid->dev,
 586                                     pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ +
 587                                     pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ +
 588                                     CB_BEACON_BUF_SIZE +
 589                                     CB_MAX_BUF_SIZE,
 590                                     pDevice->tx0_bufs, pDevice->tx_bufs_dma0
 591                         );
 592 }
 593
 594 static void device_init_rd0_ring(struct vnt_private *pDevice)
 595 {
 596         int i;
 597         dma_addr_t      curr = pDevice->rd0_pool_dma;
 598         struct vnt_rx_desc *pDesc;
 599
 600         /* Init the RD0 ring entries */
 601         for (i = 0; i < pDevice->sOpts.nRxDescs0;
 602              i ++, curr += sizeof(struct vnt_rx_desc)) {
 603                 pDesc = &(pDevice->aRD0Ring[i]);
 604                 pDesc->rd_info = alloc_rd_info();
 605
 606                 if (!device_alloc_rx_buf(pDevice, pDesc))
 607                         dev_err(&pDevice->pcid->dev, "can not alloc rx bufs\n");
 608
 609                 pDesc->next = &(pDevice->aRD0Ring[(i+1) % pDevice->sOpts.nRxDescs0]);
 610                 pDesc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_rx_desc));
 611         }
 612
 613         if (i > 0)
 614                 pDevice->aRD0Ring[i-1].next_desc = cpu_to_le32(pDevice->rd0_pool_dma);
 615         pDevice->pCurrRD[0] = &(pDevice->aRD0Ring[0]);
 616 }
 617
 618 static void device_init_rd1_ring(struct vnt_private *pDevice)
 619 {
 620         int i;
 621         dma_addr_t      curr = pDevice->rd1_pool_dma;
 622         struct vnt_rx_desc *pDesc;
 623
 624         /* Init the RD1 ring entries */
 625         for (i = 0; i < pDevice->sOpts.nRxDescs1;
 626              i ++, curr += sizeof(struct vnt_rx_desc)) {
 627                 pDesc = &(pDevice->aRD1Ring[i]);
 628                 pDesc->rd_info = alloc_rd_info();
 629
 630                 if (!device_alloc_rx_buf(pDevice, pDesc))
 631                         dev_err(&pDevice->pcid->dev, "can not alloc rx bufs\n");
 632
 633                 pDesc->next = &(pDevice->aRD1Ring[(i+1) % pDevice->sOpts.nRxDescs1]);
 634                 pDesc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_rx_desc));
 635         }
 636
 637         if (i > 0)
 638                 pDevice->aRD1Ring[i-1].next_desc = cpu_to_le32(pDevice->rd1_pool_dma);
 639         pDevice->pCurrRD[1] = &(pDevice->aRD1Ring[0]);
 640 }
 641
 642 static void device_free_rd0_ring(struct vnt_private *pDevice)
 643 {
 644         int i;
 645
 646         for (i = 0; i < pDevice->sOpts.nRxDescs0; i++) {
 647                 struct vnt_rx_desc *pDesc = &(pDevice->aRD0Ring[i]);
 648                 struct vnt_rd_info *rd_info = pDesc->rd_info;
 649
 650                 dma_unmap_single(&pDevice->pcid->dev, rd_info->skb_dma,
 651                                  pDevice->rx_buf_sz, DMA_FROM_DEVICE);
 652
 653                 dev_kfree_skb(rd_info->skb);
 654
 655                 kfree(pDesc->rd_info);
 656         }
 657 }
 658
 659 static void device_free_rd1_ring(struct vnt_private *pDevice)
 660 {
 661         int i;
 662
 663         for (i = 0; i < pDevice->sOpts.nRxDescs1; i++) {
 664                 struct vnt_rx_desc *pDesc = &(pDevice->aRD1Ring[i]);
 665                 struct vnt_rd_info *rd_info = pDesc->rd_info;
 666
 667                 dma_unmap_single(&pDevice->pcid->dev, rd_info->skb_dma,
 668                                  pDevice->rx_buf_sz, DMA_FROM_DEVICE);
 669
 670                 dev_kfree_skb(rd_info->skb);
 671
 672                 kfree(pDesc->rd_info);
 673         }
 674 }
 675
 676 static void device_init_td0_ring(struct vnt_private *pDevice)
 677 {
 678         int i;
 679         dma_addr_t  curr;
 680         struct vnt_tx_desc *pDesc;
 681
 682         curr = pDevice->td0_pool_dma;
 683         for (i = 0; i < pDevice->sOpts.nTxDescs[0];
 684              i++, curr += sizeof(struct vnt_tx_desc)) {
 685                 pDesc = &(pDevice->apTD0Rings[i]);
 686                 pDesc->td_info = alloc_td_info();
 687
 688                 pDesc->td_info->buf = pDevice->tx0_bufs + i * PKT_BUF_SZ;
 689                 pDesc->td_info->buf_dma = pDevice->tx_bufs_dma0 + i * PKT_BUF_SZ;
 690
 691                 pDesc->next = &(pDevice->apTD0Rings[(i+1) % pDevice->sOpts.nTxDescs[0]]);
 692                 pDesc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_tx_desc));
 693         }
 694
 695         if (i > 0)
 696                 pDevice->apTD0Rings[i-1].next_desc = cpu_to_le32(pDevice->td0_pool_dma);
 697         pDevice->apTailTD[0] = pDevice->apCurrTD[0] = &(pDevice->apTD0Rings[0]);
 698 }
 699
 700 static void device_init_td1_ring(struct vnt_private *pDevice)
 701 {
 702         int i;
 703         dma_addr_t  curr;
 704         struct vnt_tx_desc *pDesc;
 705
 706         /* Init the TD ring entries */
 707         curr = pDevice->td1_pool_dma;
 708         for (i = 0; i < pDevice->sOpts.nTxDescs[1];
 709              i++, curr += sizeof(struct vnt_tx_desc)) {
 710                 pDesc = &(pDevice->apTD1Rings[i]);
 711                 pDesc->td_info = alloc_td_info();
 712
 713                 pDesc->td_info->buf = pDevice->tx1_bufs + i * PKT_BUF_SZ;
 714                 pDesc->td_info->buf_dma = pDevice->tx_bufs_dma1 + i * PKT_BUF_SZ;
 715
 716                 pDesc->next = &(pDevice->apTD1Rings[(i + 1) % pDevice->sOpts.nTxDescs[1]]);
 717                 pDesc->next_desc = cpu_to_le32(curr + sizeof(struct vnt_tx_desc));
 718         }
 719
 720         if (i > 0)
 721                 pDevice->apTD1Rings[i-1].next_desc = cpu_to_le32(pDevice->td1_pool_dma);
 722         pDevice->apTailTD[1] = pDevice->apCurrTD[1] = &(pDevice->apTD1Rings[0]);
 723 }
 724
 725 static void device_free_td0_ring(struct vnt_private *pDevice)
 726 {
 727         int i;
 728
 729         for (i = 0; i < pDevice->sOpts.nTxDescs[0]; i++) {
 730                 struct vnt_tx_desc *pDesc = &pDevice->apTD0Rings[i];
 731                 struct vnt_td_info *pTDInfo = pDesc->td_info;
 732
 733                 dev_kfree_skb(pTDInfo->skb);
 734                 kfree(pDesc->td_info);
 735         }
 736 }
 737
 738 static void device_free_td1_ring(struct vnt_private *pDevice)
 739 {
 740         int i;
 741
 742         for (i = 0; i < pDevice->sOpts.nTxDescs[1]; i++) {
 743                 struct vnt_tx_desc *pDesc = &pDevice->apTD1Rings[i];
 744                 struct vnt_td_info *pTDInfo = pDesc->td_info;
 745
 746                 dev_kfree_skb(pTDInfo->skb);
 747                 kfree(pDesc->td_info);
 748         }
 749 }
 750
 751 /*-----------------------------------------------------------------*/
 752
 753 static int device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx)
 754 {
 755         struct vnt_rx_desc *pRD;
 756         int works = 0;
 757
 758         for (pRD = pDevice->pCurrRD[uIdx];
 759              pRD->rd0.owner == OWNED_BY_HOST;
 760              pRD = pRD->next) {
 761                 if (works++ > 15)
 762                         break;
 763
 764                 if (!pRD->rd_info->skb)
 765                         break;
 766
 767                 if (vnt_receive_frame(pDevice, pRD)) {
 768                         if (!device_alloc_rx_buf(pDevice, pRD)) {
 769                                 dev_err(&pDevice->pcid->dev,
 770                                         "can not allocate rx buf\n");
 771                                 break;
 772                         }
 773                 }
 774                 pRD->rd0.owner = OWNED_BY_NIC;
 775         }
 776
 777         pDevice->pCurrRD[uIdx] = pRD;
 778
 779         return works;
 780 }
 781
 782 static bool device_alloc_rx_buf(struct vnt_private *pDevice,
 783                                 struct vnt_rx_desc *pRD)
 784 {
 785         struct vnt_rd_info *pRDInfo = pRD->rd_info;
 786
 787         pRDInfo->skb = dev_alloc_skb((int)pDevice->rx_buf_sz);
 788         if (pRDInfo->skb == NULL)
 789                 return false;
 790
 791         pRDInfo->skb_dma =
 792                 dma_map_single(&pDevice->pcid->dev,
 793                                skb_put(pRDInfo->skb, skb_tailroom(pRDInfo->skb)),
 794                                pDevice->rx_buf_sz, DMA_FROM_DEVICE);
 795
 796         *((unsigned int *)&pRD->rd0) = 0; /* FIX cast */
 797
 798         pRD->rd0.res_count = cpu_to_le16(pDevice->rx_buf_sz);
 799         pRD->rd0.owner = OWNED_BY_NIC;
 800         pRD->rd1.req_count = cpu_to_le16(pDevice->rx_buf_sz);
 801         pRD->buff_addr = cpu_to_le32(pRDInfo->skb_dma);
 802
 803         return true;
 804 }
 805
 806 static const u8 fallback_rate0[5][5] = {
 807         {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M},
 808         {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M},
 809         {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M},
 810         {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M},
 811         {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M}
 812 };
 813
 814 static const u8 fallback_rate1[5][5] = {
 815         {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M},
 816         {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M},
 817         {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M},
 818         {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M},
 819         {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M}
 820 };
 821
 822 static int vnt_int_report_rate(struct vnt_private *priv,
 823                                struct vnt_td_info *context, u8 tsr0, u8 tsr1)
 824 {
 825         struct vnt_tx_fifo_head *fifo_head;
 826         struct ieee80211_tx_info *info;
 827         struct ieee80211_rate *rate;
 828         u16 fb_option;
 829         u8 tx_retry = (tsr0 & TSR0_NCR);
 830         s8 idx;
 831
 832         if (!context)
 833                 return -ENOMEM;
 834
 835         if (!context->skb)
 836                 return -EINVAL;
 837
 838         fifo_head = (struct vnt_tx_fifo_head *)context->buf;
 839         fb_option = (le16_to_cpu(fifo_head->fifo_ctl) &
 840                         (FIFOCTL_AUTO_FB_0 | FIFOCTL_AUTO_FB_1));
 841
 842         info = IEEE80211_SKB_CB(context->skb);
 843         idx = info->control.rates[0].idx;
 844
 845         if (fb_option && !(tsr1 & TSR1_TERR)) {
 846                 u8 tx_rate;
 847                 u8 retry = tx_retry;
 848
 849                 rate = ieee80211_get_tx_rate(priv->hw, info);
 850                 tx_rate = rate->hw_value - RATE_18M;
 851
 852                 if (retry > 4)
 853                         retry = 4;
 854
 855                 if (fb_option & FIFOCTL_AUTO_FB_0)
 856                         tx_rate = fallback_rate0[tx_rate][retry];
 857                 else if (fb_option & FIFOCTL_AUTO_FB_1)
 858                         tx_rate = fallback_rate1[tx_rate][retry];
 859
 860                 if (info->band == IEEE80211_BAND_5GHZ)
 861                         idx = tx_rate - RATE_6M;
 862                 else
 863                         idx = tx_rate;
 864         }
 865
 866         ieee80211_tx_info_clear_status(info);
 867
 868         info->status.rates[0].count = tx_retry;
 869
 870         if (!(tsr1 & TSR1_TERR)) {
 871                 info->status.rates[0].idx = idx;
 872
 873                 if (info->flags & IEEE80211_TX_CTL_NO_ACK)
 874                         info->flags |= IEEE80211_TX_STAT_NOACK_TRANSMITTED;
 875                 else
 876                         info->flags |= IEEE80211_TX_STAT_ACK;
 877         }
 878
 879         return 0;
 880 }
 881
 882 static int device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx)
 883 {
 884         struct vnt_tx_desc *pTD;
 885         int                      works = 0;
 886         unsigned char byTsr0;
 887         unsigned char byTsr1;
 888
 889         for (pTD = pDevice->apTailTD[uIdx]; pDevice->iTDUsed[uIdx] > 0; pTD = pTD->next) {
 890                 if (pTD->td0.owner == OWNED_BY_NIC)
 891                         break;
 892                 if (works++ > 15)
 893                         break;
 894
 895                 byTsr0 = pTD->td0.tsr0;
 896                 byTsr1 = pTD->td0.tsr1;
 897
 898                 /* Only the status of first TD in the chain is correct */
 899                 if (pTD->td1.tcr & TCR_STP) {
 900                         if ((pTD->td_info->flags & TD_FLAGS_NETIF_SKB) != 0) {
 901                                 if (!(byTsr1 & TSR1_TERR)) {
 902                                         if (byTsr0 != 0) {
 903                                                 pr_debug(" Tx[%d] OK but has error. tsr1[%02X] tsr0[%02X]\n",
 904                                                          (int)uIdx, byTsr1,
 905                                                          byTsr0);
 906                                         }
 907                                 } else {
 908                                         pr_debug(" Tx[%d] dropped & tsr1[%02X] tsr0[%02X]\n",
 909                                                  (int)uIdx, byTsr1, byTsr0);
 910                                 }
 911                         }
 912
 913                         if (byTsr1 & TSR1_TERR) {
 914                                 if ((pTD->td_info->flags & TD_FLAGS_PRIV_SKB) != 0) {
 915                                         pr_debug(" Tx[%d] fail has error. tsr1[%02X] tsr0[%02X]\n",
 916                                                  (int)uIdx, byTsr1, byTsr0);
 917                                 }
 918                         }
 919
 920                         vnt_int_report_rate(pDevice, pTD->td_info, byTsr0, byTsr1);
 921
 922                         device_free_tx_buf(pDevice, pTD);
 923                         pDevice->iTDUsed[uIdx]--;
 924                 }
 925         }
 926
 927         pDevice->apTailTD[uIdx] = pTD;
 928
 929         return works;
 930 }
 931
 932 static void device_error(struct vnt_private *pDevice, unsigned short status)
 933 {
 934         if (status & ISR_FETALERR) {
 935                 dev_err(&pDevice->pcid->dev, "Hardware fatal error\n");
 936
 937                 MACbShutdown(pDevice->PortOffset);
 938                 return;
 939         }
 940 }
 941
 942 static void device_free_tx_buf(struct vnt_private *pDevice,
 943                                struct vnt_tx_desc *pDesc)
 944 {
 945         struct vnt_td_info *pTDInfo = pDesc->td_info;
 946         struct sk_buff *skb = pTDInfo->skb;
 947
 948         if (skb)
 949                 ieee80211_tx_status_irqsafe(pDevice->hw, skb);
 950
 951         pTDInfo->skb = NULL;
 952         pTDInfo->flags = 0;
 953 }
 954
 955 static void vnt_check_bb_vga(struct vnt_private *priv)
 956 {
 957         long dbm;
 958         int i;
 959
 960         if (!priv->bUpdateBBVGA)
 961                 return;
 962
 963         if (priv->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL)
 964                 return;
 965
 966         if (!(priv->vif->bss_conf.assoc && priv->uCurrRSSI))
 967                 return;
 968
 969         RFvRSSITodBm(priv, (u8)priv->uCurrRSSI, &dbm);
 970
 971         for (i = 0; i < BB_VGA_LEVEL; i++) {
 972                 if (dbm < priv->ldBmThreshold[i]) {
 973                         priv->byBBVGANew = priv->abyBBVGA[i];
 974                         break;
 975                 }
 976         }
 977
 978         if (priv->byBBVGANew == priv->byBBVGACurrent) {
 979                 priv->uBBVGADiffCount = 1;
 980                 return;
 981         }
 982
 983         priv->uBBVGADiffCount++;
 984
 985         if (priv->uBBVGADiffCount == 1) {
 986                 /* first VGA diff gain */
 987                 BBvSetVGAGainOffset(priv, priv->byBBVGANew);
 988
 989                 dev_dbg(&priv->pcid->dev,
 990                         "First RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n",
 991                         (int)dbm, priv->byBBVGANew,
 992                         priv->byBBVGACurrent,
 993                         (int)priv->uBBVGADiffCount);
 994         }
 995
 996         if (priv->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD) {
 997                 dev_dbg(&priv->pcid->dev,
 998                         "RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n",
 999                         (int)dbm, priv->byBBVGANew,
1000                         priv->byBBVGACurrent,
1001                         (int)priv->uBBVGADiffCount);
1002
1003                 BBvSetVGAGainOffset(priv, priv->byBBVGANew);
1004         }
1005 }
1006
1007 static void vnt_interrupt_process(struct vnt_private *priv)
1008 {
1009         struct ieee80211_low_level_stats *low_stats = &priv->low_stats;
1010         int             max_count = 0;
1011         u32 mib_counter;
1012         u32 isr;
1013         unsigned long flags;
1014
1015         MACvReadISR(priv->PortOffset, &isr);
1016
1017         if (isr == 0)
1018                 return;
1019
1020         if (isr == 0xffffffff) {
1021                 pr_debug("isr = 0xffff\n");
1022                 return;
1023         }
1024
1025         MACvIntDisable(priv->PortOffset);
1026
1027         spin_lock_irqsave(&priv->lock, flags);
1028
1029         /* Read low level stats */
1030         MACvReadMIBCounter(priv->PortOffset, &mib_counter);
1031
1032         low_stats->dot11RTSSuccessCount += mib_counter & 0xff;
1033         low_stats->dot11RTSFailureCount += (mib_counter >> 8) & 0xff;
1034         low_stats->dot11ACKFailureCount += (mib_counter >> 16) & 0xff;
1035         low_stats->dot11FCSErrorCount += (mib_counter >> 24) & 0xff;
1036
1037         /*
1038          * TBD....
1039          * Must do this after doing rx/tx, cause ISR bit is slow
1040          * than RD/TD write back
1041          * update ISR counter
1042          */
1043         while (isr && priv->vif) {
1044                 MACvWriteISR(priv->PortOffset, isr);
1045
1046                 if (isr & ISR_FETALERR) {
1047                         pr_debug(" ISR_FETALERR\n");
1048                         VNSvOutPortB(priv->PortOffset + MAC_REG_SOFTPWRCTL, 0);
1049                         VNSvOutPortW(priv->PortOffset +
1050                                      MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPECTI);
1051                         device_error(priv, isr);
1052                 }
1053
1054                 if (isr & ISR_TBTT) {
1055                         if (priv->op_mode != NL80211_IFTYPE_ADHOC)
1056                                 vnt_check_bb_vga(priv);
1057
1058                         priv->bBeaconSent = false;
1059                         if (priv->bEnablePSMode)
1060                                 PSbIsNextTBTTWakeUp((void *)priv);
1061
1062                         if ((priv->op_mode == NL80211_IFTYPE_AP ||
1063                             priv->op_mode == NL80211_IFTYPE_ADHOC) &&
1064                             priv->vif->bss_conf.enable_beacon) {
1065                                 MACvOneShotTimer1MicroSec(priv->PortOffset,
1066                                                           (priv->vif->bss_conf.beacon_int - MAKE_BEACON_RESERVED) << 10);
1067                         }
1068
1069                         /* TODO: adhoc PS mode */
1070
1071                 }
1072
1073                 if (isr & ISR_BNTX) {
1074                         if (priv->op_mode == NL80211_IFTYPE_ADHOC) {
1075                                 priv->bIsBeaconBufReadySet = false;
1076                                 priv->cbBeaconBufReadySetCnt = 0;
1077                         }
1078
1079                         priv->bBeaconSent = true;
1080                 }
1081
1082                 if (isr & ISR_RXDMA0)
1083                         max_count += device_rx_srv(priv, TYPE_RXDMA0);
1084
1085                 if (isr & ISR_RXDMA1)
1086                         max_count += device_rx_srv(priv, TYPE_RXDMA1);
1087
1088                 if (isr & ISR_TXDMA0)
1089                         max_count += device_tx_srv(priv, TYPE_TXDMA0);
1090
1091                 if (isr & ISR_AC0DMA)
1092                         max_count += device_tx_srv(priv, TYPE_AC0DMA);
1093
1094                 if (isr & ISR_SOFTTIMER1) {
1095                         if (priv->vif->bss_conf.enable_beacon)
1096                                 vnt_beacon_make(priv, priv->vif);
1097                 }
1098
1099                 /* If both buffers available wake the queue */
1100                 if (AVAIL_TD(priv, TYPE_TXDMA0) &&
1101                     AVAIL_TD(priv, TYPE_AC0DMA) &&
1102                     ieee80211_queue_stopped(priv->hw, 0))
1103                         ieee80211_wake_queues(priv->hw);
1104
1105                 MACvReadISR(priv->PortOffset, &isr);
1106
1107                 MACvReceive0(priv->PortOffset);
1108                 MACvReceive1(priv->PortOffset);
1109
1110                 if (max_count > priv->sOpts.int_works)
1111                         break;
1112         }
1113
1114         spin_unlock_irqrestore(&priv->lock, flags);
1115
1116         MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
1117 }
1118
1119 static void vnt_interrupt_work(struct work_struct *work)
1120 {
1121         struct vnt_private *priv =
1122                 container_of(work, struct vnt_private, interrupt_work);
1123
1124         if (priv->vif)
1125                 vnt_interrupt_process(priv);
1126 }
1127
1128 static irqreturn_t vnt_interrupt(int irq,  void *arg)
1129 {
1130         struct vnt_private *priv = arg;
1131
1132         if (priv->vif)
1133                 schedule_work(&priv->interrupt_work);
1134
1135         return IRQ_HANDLED;
1136 }
1137
1138 static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb)
1139 {
1140         struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
1141         struct vnt_tx_desc *head_td;
1142         u32 dma_idx;
1143         unsigned long flags;
1144
1145         spin_lock_irqsave(&priv->lock, flags);
1146
1147         if (ieee80211_is_data(hdr->frame_control))
1148                 dma_idx = TYPE_AC0DMA;
1149         else
1150                 dma_idx = TYPE_TXDMA0;
1151
1152         if (AVAIL_TD(priv, dma_idx) < 1) {
1153                 spin_unlock_irqrestore(&priv->lock, flags);
1154                 return -ENOMEM;
1155         }
1156
1157         head_td = priv->apCurrTD[dma_idx];
1158
1159         head_td->td1.tcr = 0;
1160
1161         head_td->td_info->skb = skb;
1162
1163         if (dma_idx == TYPE_AC0DMA)
1164                 head_td->td_info->flags = TD_FLAGS_NETIF_SKB;
1165
1166         priv->apCurrTD[dma_idx] = head_td->next;
1167
1168         spin_unlock_irqrestore(&priv->lock, flags);
1169
1170         vnt_generate_fifo_header(priv, dma_idx, head_td, skb);
1171
1172         spin_lock_irqsave(&priv->lock, flags);
1173
1174         priv->bPWBitOn = false;
1175
1176         /* Set TSR1 & ReqCount in TxDescHead */
1177         head_td->td1.tcr |= (TCR_STP | TCR_EDP | EDMSDU);
1178         head_td->td1.req_count = cpu_to_le16(head_td->td_info->req_count);
1179
1180         head_td->buff_addr = cpu_to_le32(head_td->td_info->buf_dma);
1181
1182         /* Poll Transmit the adapter */
1183         wmb();
1184         head_td->td0.owner = OWNED_BY_NIC;
1185         wmb(); /* second memory barrier */
1186
1187         if (head_td->td_info->flags & TD_FLAGS_NETIF_SKB)
1188                 MACvTransmitAC0(priv->PortOffset);
1189         else
1190                 MACvTransmit0(priv->PortOffset);
1191
1192         priv->iTDUsed[dma_idx]++;
1193
1194         spin_unlock_irqrestore(&priv->lock, flags);
1195
1196         return 0;
1197 }
1198
1199 static void vnt_tx_80211(struct ieee80211_hw *hw,
1200                          struct ieee80211_tx_control *control,
1201                          struct sk_buff *skb)
1202 {
1203         struct vnt_private *priv = hw->priv;
1204
1205         ieee80211_stop_queues(hw);
1206
1207         if (vnt_tx_packet(priv, skb)) {
1208                 ieee80211_free_txskb(hw, skb);
1209
1210                 ieee80211_wake_queues(hw);
1211         }
1212 }
1213
1214 static int vnt_start(struct ieee80211_hw *hw)
1215 {
1216         struct vnt_private *priv = hw->priv;
1217         int ret;
1218
1219         priv->rx_buf_sz = PKT_BUF_SZ;
1220         if (!device_init_rings(priv))
1221                 return -ENOMEM;
1222
1223         ret = request_irq(priv->pcid->irq, &vnt_interrupt,
1224                           IRQF_SHARED, "vt6655", priv);
1225         if (ret) {
1226                 dev_dbg(&priv->pcid->dev, "failed to start irq\n");
1227                 return ret;
1228         }
1229
1230         dev_dbg(&priv->pcid->dev, "call device init rd0 ring\n");
1231         device_init_rd0_ring(priv);
1232         device_init_rd1_ring(priv);
1233         device_init_td0_ring(priv);
1234         device_init_td1_ring(priv);
1235
1236         device_init_registers(priv);
1237
1238         dev_dbg(&priv->pcid->dev, "call MACvIntEnable\n");
1239         MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE);
1240
1241         ieee80211_wake_queues(hw);
1242
1243         return 0;
1244 }
1245
1246 static void vnt_stop(struct ieee80211_hw *hw)
1247 {
1248         struct vnt_private *priv = hw->priv;
1249
1250         ieee80211_stop_queues(hw);
1251
1252         cancel_work_sync(&priv->interrupt_work);
1253
1254         MACbShutdown(priv->PortOffset);
1255         MACbSoftwareReset(priv->PortOffset);
1256         CARDbRadioPowerOff(priv);
1257
1258         device_free_td0_ring(priv);
1259         device_free_td1_ring(priv);
1260         device_free_rd0_ring(priv);
1261         device_free_rd1_ring(priv);
1262         device_free_rings(priv);
1263
1264         free_irq(priv->pcid->irq, priv);
1265 }
1266
1267 static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1268 {
1269         struct vnt_private *priv = hw->priv;
1270
1271         priv->vif = vif;
1272
1273         switch (vif->type) {
1274         case NL80211_IFTYPE_STATION:
1275                 break;
1276         case NL80211_IFTYPE_ADHOC:
1277                 MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST);
1278
1279                 MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC);
1280
1281                 break;
1282         case NL80211_IFTYPE_AP:
1283                 MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST);
1284
1285                 MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP);
1286
1287                 break;
1288         default:
1289                 return -EOPNOTSUPP;
1290         }
1291
1292         priv->op_mode = vif->type;
1293
1294         return 0;
1295 }
1296
1297 static void vnt_remove_interface(struct ieee80211_hw *hw,
1298                                  struct ieee80211_vif *vif)
1299 {
1300         struct vnt_private *priv = hw->priv;
1301
1302         switch (vif->type) {
1303         case NL80211_IFTYPE_STATION:
1304                 break;
1305         case NL80211_IFTYPE_ADHOC:
1306                 MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
1307                 MACvRegBitsOff(priv->PortOffset,
1308                                MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
1309                 MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC);
1310                 break;
1311         case NL80211_IFTYPE_AP:
1312                 MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX);
1313                 MACvRegBitsOff(priv->PortOffset,
1314                                MAC_REG_TFTCTL, TFTCTL_TSFCNTREN);
1315                 MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP);
1316                 break;
1317         default:
1318                 break;
1319         }
1320
1321         priv->op_mode = NL80211_IFTYPE_UNSPECIFIED;
1322 }
1323
1324
1325 static int vnt_config(struct ieee80211_hw *hw, u32 changed)
1326 {
1327         struct vnt_private *priv = hw->priv;
1328         struct ieee80211_conf *conf = &hw->conf;
1329         u8 bb_type;
1330
1331         if (changed & IEEE80211_CONF_CHANGE_PS) {
1332                 if (conf->flags & IEEE80211_CONF_PS)
1333                         PSvEnablePowerSaving(priv, conf->listen_interval);
1334                 else
1335                         PSvDisablePowerSaving(priv);
1336         }
1337
1338         if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) ||
1339             (conf->flags & IEEE80211_CONF_OFFCHANNEL)) {
1340                 set_channel(priv, conf->chandef.chan);
1341
1342                 if (conf->chandef.chan->band == IEEE80211_BAND_5GHZ)
1343                         bb_type = BB_TYPE_11A;
1344                 else
1345                         bb_type = BB_TYPE_11G;
1346
1347                 if (priv->byBBType != bb_type) {
1348                         priv->byBBType = bb_type;
1349
1350                         CARDbSetPhyParameter(priv, priv->byBBType);
1351                 }
1352         }
1353
1354         if (changed & IEEE80211_CONF_CHANGE_POWER) {
1355                 if (priv->byBBType == BB_TYPE_11B)
1356                         priv->wCurrentRate = RATE_1M;
1357                 else
1358                         priv->wCurrentRate = RATE_54M;
1359
1360                 RFbSetPower(priv, priv->wCurrentRate,
1361                             conf->chandef.chan->hw_value);
1362         }
1363
1364         return 0;
1365 }
1366
1367 static void vnt_bss_info_changed(struct ieee80211_hw *hw,
1368                 struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf,
1369                 u32 changed)
1370 {
1371         struct vnt_private *priv = hw->priv;
1372
1373         priv->current_aid = conf->aid;
1374
1375         if (changed & BSS_CHANGED_BSSID && conf->bssid) {
1376                 unsigned long flags;
1377
1378                 spin_lock_irqsave(&priv->lock, flags);
1379
1380                 MACvWriteBSSIDAddress(priv->PortOffset, (u8 *)conf->bssid);
1381
1382                 spin_unlock_irqrestore(&priv->lock, flags);
1383         }
1384
1385         if (changed & BSS_CHANGED_BASIC_RATES) {
1386                 priv->basic_rates = conf->basic_rates;
1387
1388                 CARDvUpdateBasicTopRate(priv);
1389
1390                 dev_dbg(&priv->pcid->dev,
1391                         "basic rates %x\n", conf->basic_rates);
1392         }
1393
1394         if (changed & BSS_CHANGED_ERP_PREAMBLE) {
1395                 if (conf->use_short_preamble) {
1396                         MACvEnableBarkerPreambleMd(priv->PortOffset);
1397                         priv->byPreambleType = true;
1398                 } else {
1399                         MACvDisableBarkerPreambleMd(priv->PortOffset);
1400                         priv->byPreambleType = false;
1401                 }
1402         }
1403
1404         if (changed & BSS_CHANGED_ERP_CTS_PROT) {
1405                 if (conf->use_cts_prot)
1406                         MACvEnableProtectMD(priv->PortOffset);
1407                 else
1408                         MACvDisableProtectMD(priv->PortOffset);
1409         }
1410
1411         if (changed & BSS_CHANGED_ERP_SLOT) {
1412                 if (conf->use_short_slot)
1413                         priv->bShortSlotTime = true;
1414                 else
1415                         priv->bShortSlotTime = false;
1416
1417                 CARDbSetPhyParameter(priv, priv->byBBType);
1418                 BBvSetVGAGainOffset(priv, priv->abyBBVGA[0]);
1419         }
1420
1421         if (changed & BSS_CHANGED_TXPOWER)
1422                 RFbSetPower(priv, priv->wCurrentRate,
1423                             conf->chandef.chan->hw_value);
1424
1425         if (changed & BSS_CHANGED_BEACON_ENABLED) {
1426                 dev_dbg(&priv->pcid->dev,
1427                         "Beacon enable %d\n", conf->enable_beacon);
1428
1429                 if (conf->enable_beacon) {
1430                         vnt_beacon_enable(priv, vif, conf);
1431
1432                         MACvRegBitsOn(priv->PortOffset, MAC_REG_TCR,
1433                                       TCR_AUTOBCNTX);
1434                 } else {
1435                         MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR,
1436                                        TCR_AUTOBCNTX);
1437                 }
1438         }
1439
1440         if (changed & (BSS_CHANGED_ASSOC | BSS_CHANGED_BEACON_INFO) &&
1441             priv->op_mode != NL80211_IFTYPE_AP) {
1442                 if (conf->assoc && conf->beacon_rate) {
1443                         CARDbUpdateTSF(priv, conf->beacon_rate->hw_value,
1444                                        conf->sync_tsf);
1445
1446                         CARDbSetBeaconPeriod(priv, conf->beacon_int);
1447
1448                         CARDvSetFirstNextTBTT(priv, conf->beacon_int);
1449                 } else {
1450                         VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL,
1451                                      TFTCTL_TSFCNTRST);
1452                         VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL,
1453                                      TFTCTL_TSFCNTREN);
1454                 }
1455         }
1456 }
1457
1458 static u64 vnt_prepare_multicast(struct ieee80211_hw *hw,
1459         struct netdev_hw_addr_list *mc_list)
1460 {
1461         struct vnt_private *priv = hw->priv;
1462         struct netdev_hw_addr *ha;
1463         u64 mc_filter = 0;
1464         u32 bit_nr = 0;
1465
1466         netdev_hw_addr_list_for_each(ha, mc_list) {
1467                 bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26;
1468
1469                 mc_filter |= 1ULL << (bit_nr & 0x3f);
1470         }
1471
1472         priv->mc_list_count = mc_list->count;
1473
1474         return mc_filter;
1475 }
1476
1477 static void vnt_configure(struct ieee80211_hw *hw,
1478         unsigned int changed_flags, unsigned int *total_flags, u64 multicast)
1479 {
1480         struct vnt_private *priv = hw->priv;
1481         u8 rx_mode = 0;
1482
1483         *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC;
1484
1485         VNSvInPortB(priv->PortOffset + MAC_REG_RCR, &rx_mode);
1486
1487         dev_dbg(&priv->pcid->dev, "rx mode in = %x\n", rx_mode);
1488
1489         if (changed_flags & FIF_ALLMULTI) {
1490                 if (*total_flags & FIF_ALLMULTI) {
1491                         unsigned long flags;
1492
1493                         spin_lock_irqsave(&priv->lock, flags);
1494
1495                         if (priv->mc_list_count > 2) {
1496                                 MACvSelectPage1(priv->PortOffset);
1497
1498                                 VNSvOutPortD(priv->PortOffset +
1499                                              MAC_REG_MAR0, 0xffffffff);
1500                                 VNSvOutPortD(priv->PortOffset +
1501                                             MAC_REG_MAR0 + 4, 0xffffffff);
1502
1503                                 MACvSelectPage0(priv->PortOffset);
1504                         } else {
1505                                 MACvSelectPage1(priv->PortOffset);
1506
1507                                 VNSvOutPortD(priv->PortOffset +
1508                                              MAC_REG_MAR0, (u32)multicast);
1509                                 VNSvOutPortD(priv->PortOffset +
1510                                              MAC_REG_MAR0 + 4,
1511                                              (u32)(multicast >> 32));
1512
1513                                 MACvSelectPage0(priv->PortOffset);
1514                         }
1515
1516                         spin_unlock_irqrestore(&priv->lock, flags);
1517
1518                         rx_mode |= RCR_MULTICAST | RCR_BROADCAST;
1519                 } else {
1520                         rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST);
1521                 }
1522         }
1523
1524         if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) {
1525                 rx_mode |= RCR_MULTICAST | RCR_BROADCAST;
1526
1527                 if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC))
1528                         rx_mode &= ~RCR_BSSID;
1529                 else
1530                         rx_mode |= RCR_BSSID;
1531         }
1532
1533         VNSvOutPortB(priv->PortOffset + MAC_REG_RCR, rx_mode);
1534
1535         dev_dbg(&priv->pcid->dev, "rx mode out= %x\n", rx_mode);
1536 }
1537
1538 static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
1539         struct ieee80211_vif *vif, struct ieee80211_sta *sta,
1540                 struct ieee80211_key_conf *key)
1541 {
1542         struct vnt_private *priv = hw->priv;
1543
1544         switch (cmd) {
1545         case SET_KEY:
1546                 if (vnt_set_keys(hw, sta, vif, key))
1547                         return -EOPNOTSUPP;
1548                 break;
1549         case DISABLE_KEY:
1550                 if (test_bit(key->hw_key_idx, &priv->key_entry_inuse))
1551                         clear_bit(key->hw_key_idx, &priv->key_entry_inuse);
1552         default:
1553                 break;
1554         }
1555
1556         return 0;
1557 }
1558
1559 static int vnt_get_stats(struct ieee80211_hw *hw,
1560                          struct ieee80211_low_level_stats *stats)
1561 {
1562         struct vnt_private *priv = hw->priv;
1563
1564         memcpy(stats, &priv->low_stats, sizeof(*stats));
1565
1566         return 0;
1567 }
1568
1569 static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1570 {
1571         struct vnt_private *priv = hw->priv;
1572         u64 tsf;
1573
1574         CARDbGetCurrentTSF(priv, &tsf);
1575
1576         return tsf;
1577 }
1578
1579 static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1580                         u64 tsf)
1581 {
1582         struct vnt_private *priv = hw->priv;
1583
1584         CARDvUpdateNextTBTT(priv, tsf, vif->bss_conf.beacon_int);
1585 }
1586
1587 static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
1588 {
1589         struct vnt_private *priv = hw->priv;
1590
1591         /* reset TSF counter */
1592         VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST);
1593 }
1594
1595 static const struct ieee80211_ops vnt_mac_ops = {
1596         .tx                     = vnt_tx_80211,
1597         .start                  = vnt_start,
1598         .stop                   = vnt_stop,
1599         .add_interface          = vnt_add_interface,
1600         .remove_interface       = vnt_remove_interface,
1601         .config                 = vnt_config,
1602         .bss_info_changed       = vnt_bss_info_changed,
1603         .prepare_multicast      = vnt_prepare_multicast,
1604         .configure_filter       = vnt_configure,
1605         .set_key                = vnt_set_key,
1606         .get_stats              = vnt_get_stats,
1607         .get_tsf                = vnt_get_tsf,
1608         .set_tsf                = vnt_set_tsf,
1609         .reset_tsf              = vnt_reset_tsf,
1610 };
1611
1612 static int vnt_init(struct vnt_private *priv)
1613 {
1614         SET_IEEE80211_PERM_ADDR(priv->hw, priv->abyCurrentNetAddr);
1615
1616         vnt_init_bands(priv);
1617
1618         if (ieee80211_register_hw(priv->hw))
1619                 return -ENODEV;
1620
1621         priv->mac_hw = true;
1622
1623         CARDbRadioPowerOff(priv);
1624
1625         return 0;
1626 }
1627
1628 static int
1629 vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent)
1630 {
1631         struct vnt_private *priv;
1632         struct ieee80211_hw *hw;
1633         struct wiphy *wiphy;
1634         int         rc;
1635
1636         dev_notice(&pcid->dev,
1637                    "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION);
1638
1639         dev_notice(&pcid->dev,
1640                    "Copyright (c) 2003 VIA Networking Technologies, Inc.\n");
1641
1642         hw = ieee80211_alloc_hw(sizeof(*priv), &vnt_mac_ops);
1643         if (!hw) {
1644                 dev_err(&pcid->dev, "could not register ieee80211_hw\n");
1645                 return -ENOMEM;
1646         }
1647
1648         priv = hw->priv;
1649
1650         vt6655_init_info(pcid, &priv);
1651
1652         priv->hw = hw;
1653
1654         SET_IEEE80211_DEV(priv->hw, &pcid->dev);
1655
1656         if (pci_enable_device(pcid)) {
1657                 device_free_info(priv);
1658                 return -ENODEV;
1659         }
1660
1661         dev_dbg(&pcid->dev,
1662                 "Before get pci_info memaddr is %x\n", priv->memaddr);
1663
1664         if (!device_get_pci_info(priv, pcid)) {
1665                 dev_err(&pcid->dev, ": Failed to find PCI device.\n");
1666                 device_free_info(priv);
1667                 return -ENODEV;
1668         }
1669
1670         priv->PortOffset = ioremap(priv->memaddr & PCI_BASE_ADDRESS_MEM_MASK,
1671                                    256);
1672         if (!priv->PortOffset) {
1673                 dev_err(&pcid->dev, ": Failed to IO remapping ..\n");
1674                 device_free_info(priv);
1675                 return -ENODEV;
1676         }
1677
1678         rc = pci_request_regions(pcid, DEVICE_NAME);
1679         if (rc) {
1680                 dev_err(&pcid->dev, ": Failed to find PCI device\n");
1681                 device_free_info(priv);
1682                 return -ENODEV;
1683         }
1684
1685         if (dma_set_mask(&pcid->dev, DMA_BIT_MASK(32))) {
1686                 dev_err(&pcid->dev, ": Failed to set dma 32 bit mask\n");
1687                 device_free_info(priv);
1688                 return -ENODEV;
1689         }
1690
1691         INIT_WORK(&priv->interrupt_work, vnt_interrupt_work);
1692
1693         /* do reset */
1694         if (!MACbSoftwareReset(priv->PortOffset)) {
1695                 dev_err(&pcid->dev, ": Failed to access MAC hardware..\n");
1696                 device_free_info(priv);
1697                 return -ENODEV;
1698         }
1699         /* initial to reload eeprom */
1700         MACvInitialize(priv->PortOffset);
1701         MACvReadEtherAddress(priv->PortOffset, priv->abyCurrentNetAddr);
1702
1703         /* Get RFType */
1704         priv->byRFType = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_RFTYPE);
1705         priv->byRFType &= RF_MASK;
1706
1707         dev_dbg(&pcid->dev, "RF Type = %x\n", priv->byRFType);
1708
1709         device_get_options(priv);
1710         device_set_options(priv);
1711
1712         wiphy = priv->hw->wiphy;
1713
1714         wiphy->frag_threshold = FRAG_THRESH_DEF;
1715         wiphy->rts_threshold = RTS_THRESH_DEF;
1716         wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
1717                 BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP);
1718
1719         ieee80211_hw_set(priv->hw, TIMING_BEACON_ONLY);
1720         ieee80211_hw_set(priv->hw, SIGNAL_DBM);
1721         ieee80211_hw_set(priv->hw, RX_INCLUDES_FCS);
1722         ieee80211_hw_set(priv->hw, REPORTS_TX_ACK_STATUS);
1723         ieee80211_hw_set(priv->hw, SUPPORTS_PS);
1724
1725         priv->hw->max_signal = 100;
1726
1727         if (vnt_init(priv))
1728                 return -ENODEV;
1729
1730         device_print_info(priv);
1731         pci_set_drvdata(pcid, priv);
1732
1733         return 0;
1734 }
1735
1736 /*------------------------------------------------------------------*/
1737
1738 #ifdef CONFIG_PM
1739 static int vt6655_suspend(struct pci_dev *pcid, pm_message_t state)
1740 {
1741         struct vnt_private *priv = pci_get_drvdata(pcid);
1742         unsigned long flags;
1743
1744         spin_lock_irqsave(&priv->lock, flags);
1745
1746         pci_save_state(pcid);
1747
1748         MACbShutdown(priv->PortOffset);
1749
1750         pci_disable_device(pcid);
1751         pci_set_power_state(pcid, pci_choose_state(pcid, state));
1752
1753         spin_unlock_irqrestore(&priv->lock, flags);
1754
1755         return 0;
1756 }
1757
1758 static int vt6655_resume(struct pci_dev *pcid)
1759 {
1760
1761         pci_set_power_state(pcid, PCI_D0);
1762         pci_enable_wake(pcid, PCI_D0, 0);
1763         pci_restore_state(pcid);
1764
1765         return 0;
1766 }
1767 #endif
1768
1769 MODULE_DEVICE_TABLE(pci, vt6655_pci_id_table);
1770
1771 static struct pci_driver device_driver = {
1772         .name = DEVICE_NAME,
1773         .id_table = vt6655_pci_id_table,
1774         .probe = vt6655_probe,
1775         .remove = vt6655_remove,
1776 #ifdef CONFIG_PM
1777         .suspend = vt6655_suspend,
1778         .resume = vt6655_resume,
1779 #endif
1780 };
1781
1782 module_pci_driver(device_driver);