| 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_intr - interrupt handle function |
| 36 | * device_rx_srv - rx service function |
| 37 | * device_alloc_rx_buf - rx buffer pre-allocated function |
| 38 | * device_free_tx_buf - free tx buffer function |
| 39 | * device_init_rd0_ring- initial rd dma0 ring |
| 40 | * device_init_rd1_ring- initial rd dma1 ring |
| 41 | * device_init_td0_ring- initial tx dma0 ring buffer |
| 42 | * device_init_td1_ring- initial tx dma1 ring buffer |
| 43 | * device_init_registers- initial MAC & BBP & RF internal registers. |
| 44 | * device_init_rings- initial tx/rx ring buffer |
| 45 | * device_free_rings- free all allocated ring buffer |
| 46 | * device_tx_srv- tx interrupt service function |
| 47 | * |
| 48 | * Revision History: |
| 49 | */ |
| 50 | #undef __NO_VERSION__ |
| 51 | |
| 52 | #include <linux/file.h> |
| 53 | #include "device.h" |
| 54 | #include "card.h" |
| 55 | #include "channel.h" |
| 56 | #include "baseband.h" |
| 57 | #include "mac.h" |
| 58 | #include "power.h" |
| 59 | #include "rxtx.h" |
| 60 | #include "dpc.h" |
| 61 | #include "rf.h" |
| 62 | #include <linux/delay.h> |
| 63 | #include <linux/kthread.h> |
| 64 | #include <linux/slab.h> |
| 65 | |
| 66 | /*--------------------- Static Definitions -------------------------*/ |
| 67 | // |
| 68 | // Define module options |
| 69 | // |
| 70 | MODULE_AUTHOR("VIA Networking Technologies, Inc., <lyndonchen@vntek.com.tw>"); |
| 71 | MODULE_LICENSE("GPL"); |
| 72 | MODULE_DESCRIPTION("VIA Networking Solomon-A/B/G Wireless LAN Adapter Driver"); |
| 73 | |
| 74 | #define DEVICE_PARAM(N, D) |
| 75 | |
| 76 | #define RX_DESC_MIN0 16 |
| 77 | #define RX_DESC_MAX0 128 |
| 78 | #define RX_DESC_DEF0 32 |
| 79 | DEVICE_PARAM(RxDescriptors0, "Number of receive descriptors0"); |
| 80 | |
| 81 | #define RX_DESC_MIN1 16 |
| 82 | #define RX_DESC_MAX1 128 |
| 83 | #define RX_DESC_DEF1 32 |
| 84 | DEVICE_PARAM(RxDescriptors1, "Number of receive descriptors1"); |
| 85 | |
| 86 | #define TX_DESC_MIN0 16 |
| 87 | #define TX_DESC_MAX0 128 |
| 88 | #define TX_DESC_DEF0 32 |
| 89 | DEVICE_PARAM(TxDescriptors0, "Number of transmit descriptors0"); |
| 90 | |
| 91 | #define TX_DESC_MIN1 16 |
| 92 | #define TX_DESC_MAX1 128 |
| 93 | #define TX_DESC_DEF1 64 |
| 94 | DEVICE_PARAM(TxDescriptors1, "Number of transmit descriptors1"); |
| 95 | |
| 96 | #define INT_WORKS_DEF 20 |
| 97 | #define INT_WORKS_MIN 10 |
| 98 | #define INT_WORKS_MAX 64 |
| 99 | |
| 100 | DEVICE_PARAM(int_works, "Number of packets per interrupt services"); |
| 101 | |
| 102 | #define RTS_THRESH_DEF 2347 |
| 103 | |
| 104 | #define FRAG_THRESH_DEF 2346 |
| 105 | |
| 106 | #define SHORT_RETRY_MIN 0 |
| 107 | #define SHORT_RETRY_MAX 31 |
| 108 | #define SHORT_RETRY_DEF 8 |
| 109 | |
| 110 | DEVICE_PARAM(ShortRetryLimit, "Short frame retry limits"); |
| 111 | |
| 112 | #define LONG_RETRY_MIN 0 |
| 113 | #define LONG_RETRY_MAX 15 |
| 114 | #define LONG_RETRY_DEF 4 |
| 115 | |
| 116 | DEVICE_PARAM(LongRetryLimit, "long frame retry limits"); |
| 117 | |
| 118 | /* BasebandType[] baseband type selected |
| 119 | 0: indicate 802.11a type |
| 120 | 1: indicate 802.11b type |
| 121 | 2: indicate 802.11g type |
| 122 | */ |
| 123 | #define BBP_TYPE_MIN 0 |
| 124 | #define BBP_TYPE_MAX 2 |
| 125 | #define BBP_TYPE_DEF 2 |
| 126 | |
| 127 | DEVICE_PARAM(BasebandType, "baseband type"); |
| 128 | |
| 129 | // |
| 130 | // Static vars definitions |
| 131 | // |
| 132 | static CHIP_INFO chip_info_table[] = { |
| 133 | { VT3253, "VIA Networking Solomon-A/B/G Wireless LAN Adapter ", |
| 134 | 256, 1, DEVICE_FLAGS_IP_ALIGN|DEVICE_FLAGS_TX_ALIGN }, |
| 135 | {0, NULL} |
| 136 | }; |
| 137 | |
| 138 | static const struct pci_device_id vt6655_pci_id_table[] = { |
| 139 | { PCI_VDEVICE(VIA, 0x3253), (kernel_ulong_t)chip_info_table}, |
| 140 | { 0, } |
| 141 | }; |
| 142 | |
| 143 | /*--------------------- Static Functions --------------------------*/ |
| 144 | |
| 145 | static int vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent); |
| 146 | static void vt6655_init_info(struct pci_dev *pcid, |
| 147 | struct vnt_private **ppDevice, PCHIP_INFO); |
| 148 | static void device_free_info(struct vnt_private *pDevice); |
| 149 | static bool device_get_pci_info(struct vnt_private *, struct pci_dev *pcid); |
| 150 | static void device_print_info(struct vnt_private *pDevice); |
| 151 | static irqreturn_t device_intr(int irq, void *dev_instance); |
| 152 | |
| 153 | #ifdef CONFIG_PM |
| 154 | static int device_notify_reboot(struct notifier_block *, unsigned long event, void *ptr); |
| 155 | static struct notifier_block device_notifier = { |
| 156 | .notifier_call = device_notify_reboot, |
| 157 | .next = NULL, |
| 158 | .priority = 0, |
| 159 | }; |
| 160 | #endif |
| 161 | |
| 162 | static void device_init_rd0_ring(struct vnt_private *pDevice); |
| 163 | static void device_init_rd1_ring(struct vnt_private *pDevice); |
| 164 | static void device_init_td0_ring(struct vnt_private *pDevice); |
| 165 | static void device_init_td1_ring(struct vnt_private *pDevice); |
| 166 | |
| 167 | static int device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx); |
| 168 | static int device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx); |
| 169 | static bool device_alloc_rx_buf(struct vnt_private *pDevice, PSRxDesc pDesc); |
| 170 | static void device_init_registers(struct vnt_private *pDevice); |
| 171 | static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc); |
| 172 | static void device_free_td0_ring(struct vnt_private *pDevice); |
| 173 | static void device_free_td1_ring(struct vnt_private *pDevice); |
| 174 | static void device_free_rd0_ring(struct vnt_private *pDevice); |
| 175 | static void device_free_rd1_ring(struct vnt_private *pDevice); |
| 176 | static void device_free_rings(struct vnt_private *pDevice); |
| 177 | |
| 178 | /*--------------------- Export Variables --------------------------*/ |
| 179 | |
| 180 | /*--------------------- Export Functions --------------------------*/ |
| 181 | |
| 182 | static char *get_chip_name(int chip_id) |
| 183 | { |
| 184 | int i; |
| 185 | |
| 186 | for (i = 0; chip_info_table[i].name != NULL; i++) |
| 187 | if (chip_info_table[i].chip_id == chip_id) |
| 188 | break; |
| 189 | return chip_info_table[i].name; |
| 190 | } |
| 191 | |
| 192 | static void vt6655_remove(struct pci_dev *pcid) |
| 193 | { |
| 194 | struct vnt_private *pDevice = pci_get_drvdata(pcid); |
| 195 | |
| 196 | if (pDevice == NULL) |
| 197 | return; |
| 198 | device_free_info(pDevice); |
| 199 | } |
| 200 | |
| 201 | static void device_get_options(struct vnt_private *pDevice) |
| 202 | { |
| 203 | POPTIONS pOpts = &(pDevice->sOpts); |
| 204 | |
| 205 | pOpts->nRxDescs0 = RX_DESC_DEF0; |
| 206 | pOpts->nRxDescs1 = RX_DESC_DEF1; |
| 207 | pOpts->nTxDescs[0] = TX_DESC_DEF0; |
| 208 | pOpts->nTxDescs[1] = TX_DESC_DEF1; |
| 209 | pOpts->int_works = INT_WORKS_DEF; |
| 210 | |
| 211 | pOpts->short_retry = SHORT_RETRY_DEF; |
| 212 | pOpts->long_retry = LONG_RETRY_DEF; |
| 213 | pOpts->bbp_type = BBP_TYPE_DEF; |
| 214 | } |
| 215 | |
| 216 | static void |
| 217 | device_set_options(struct vnt_private *pDevice) |
| 218 | { |
| 219 | pDevice->byShortRetryLimit = pDevice->sOpts.short_retry; |
| 220 | pDevice->byLongRetryLimit = pDevice->sOpts.long_retry; |
| 221 | pDevice->byBBType = pDevice->sOpts.bbp_type; |
| 222 | pDevice->byPacketType = pDevice->byBBType; |
| 223 | pDevice->byAutoFBCtrl = AUTO_FB_0; |
| 224 | pDevice->bUpdateBBVGA = true; |
| 225 | pDevice->byPreambleType = 0; |
| 226 | |
| 227 | pr_debug(" byShortRetryLimit= %d\n", (int)pDevice->byShortRetryLimit); |
| 228 | pr_debug(" byLongRetryLimit= %d\n", (int)pDevice->byLongRetryLimit); |
| 229 | pr_debug(" byPreambleType= %d\n", (int)pDevice->byPreambleType); |
| 230 | pr_debug(" byShortPreamble= %d\n", (int)pDevice->byShortPreamble); |
| 231 | pr_debug(" byBBType= %d\n", (int)pDevice->byBBType); |
| 232 | } |
| 233 | |
| 234 | // |
| 235 | // Initialisation of MAC & BBP registers |
| 236 | // |
| 237 | |
| 238 | static void device_init_registers(struct vnt_private *pDevice) |
| 239 | { |
| 240 | unsigned long flags; |
| 241 | unsigned int ii; |
| 242 | unsigned char byValue; |
| 243 | unsigned char byCCKPwrdBm = 0; |
| 244 | unsigned char byOFDMPwrdBm = 0; |
| 245 | |
| 246 | MACbShutdown(pDevice->PortOffset); |
| 247 | BBvSoftwareReset(pDevice); |
| 248 | |
| 249 | /* Do MACbSoftwareReset in MACvInitialize */ |
| 250 | MACbSoftwareReset(pDevice->PortOffset); |
| 251 | |
| 252 | pDevice->bAES = false; |
| 253 | |
| 254 | /* Only used in 11g type, sync with ERP IE */ |
| 255 | pDevice->bProtectMode = false; |
| 256 | |
| 257 | pDevice->bNonERPPresent = false; |
| 258 | pDevice->bBarkerPreambleMd = false; |
| 259 | pDevice->wCurrentRate = RATE_1M; |
| 260 | pDevice->byTopOFDMBasicRate = RATE_24M; |
| 261 | pDevice->byTopCCKBasicRate = RATE_1M; |
| 262 | |
| 263 | /* Target to IF pin while programming to RF chip. */ |
| 264 | pDevice->byRevId = 0; |
| 265 | |
| 266 | /* init MAC */ |
| 267 | MACvInitialize(pDevice->PortOffset); |
| 268 | |
| 269 | /* Get Local ID */ |
| 270 | VNSvInPortB(pDevice->PortOffset + MAC_REG_LOCALID, &pDevice->byLocalID); |
| 271 | |
| 272 | spin_lock_irqsave(&pDevice->lock, flags); |
| 273 | |
| 274 | SROMvReadAllContents(pDevice->PortOffset, pDevice->abyEEPROM); |
| 275 | |
| 276 | spin_unlock_irqrestore(&pDevice->lock, flags); |
| 277 | |
| 278 | /* Get Channel range */ |
| 279 | pDevice->byMinChannel = 1; |
| 280 | pDevice->byMaxChannel = CB_MAX_CHANNEL; |
| 281 | |
| 282 | /* Get Antena */ |
| 283 | byValue = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_ANTENNA); |
| 284 | if (byValue & EEP_ANTINV) |
| 285 | pDevice->bTxRxAntInv = true; |
| 286 | else |
| 287 | pDevice->bTxRxAntInv = false; |
| 288 | |
| 289 | byValue &= (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); |
| 290 | /* if not set default is All */ |
| 291 | if (byValue == 0) |
| 292 | byValue = (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN); |
| 293 | |
| 294 | if (byValue == (EEP_ANTENNA_AUX | EEP_ANTENNA_MAIN)) { |
| 295 | pDevice->byAntennaCount = 2; |
| 296 | pDevice->byTxAntennaMode = ANT_B; |
| 297 | pDevice->dwTxAntennaSel = 1; |
| 298 | pDevice->dwRxAntennaSel = 1; |
| 299 | |
| 300 | if (pDevice->bTxRxAntInv) |
| 301 | pDevice->byRxAntennaMode = ANT_A; |
| 302 | else |
| 303 | pDevice->byRxAntennaMode = ANT_B; |
| 304 | } else { |
| 305 | pDevice->byAntennaCount = 1; |
| 306 | pDevice->dwTxAntennaSel = 0; |
| 307 | pDevice->dwRxAntennaSel = 0; |
| 308 | |
| 309 | if (byValue & EEP_ANTENNA_AUX) { |
| 310 | pDevice->byTxAntennaMode = ANT_A; |
| 311 | |
| 312 | if (pDevice->bTxRxAntInv) |
| 313 | pDevice->byRxAntennaMode = ANT_B; |
| 314 | else |
| 315 | pDevice->byRxAntennaMode = ANT_A; |
| 316 | } else { |
| 317 | pDevice->byTxAntennaMode = ANT_B; |
| 318 | |
| 319 | if (pDevice->bTxRxAntInv) |
| 320 | pDevice->byRxAntennaMode = ANT_A; |
| 321 | else |
| 322 | pDevice->byRxAntennaMode = ANT_B; |
| 323 | } |
| 324 | } |
| 325 | |
| 326 | /* Set initial antenna mode */ |
| 327 | BBvSetTxAntennaMode(pDevice, pDevice->byTxAntennaMode); |
| 328 | BBvSetRxAntennaMode(pDevice, pDevice->byRxAntennaMode); |
| 329 | |
| 330 | /* zonetype initial */ |
| 331 | pDevice->byOriginalZonetype = pDevice->abyEEPROM[EEP_OFS_ZONETYPE]; |
| 332 | |
| 333 | if (!pDevice->bZoneRegExist) |
| 334 | pDevice->byZoneType = pDevice->abyEEPROM[EEP_OFS_ZONETYPE]; |
| 335 | |
| 336 | pr_debug("pDevice->byZoneType = %x\n", pDevice->byZoneType); |
| 337 | |
| 338 | /* Init RF module */ |
| 339 | RFbInit(pDevice); |
| 340 | |
| 341 | /* Get Desire Power Value */ |
| 342 | pDevice->byCurPwr = 0xFF; |
| 343 | pDevice->byCCKPwr = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_PWR_CCK); |
| 344 | pDevice->byOFDMPwrG = SROMbyReadEmbedded(pDevice->PortOffset, EEP_OFS_PWR_OFDMG); |
| 345 | |
| 346 | /* Load power Table */ |
| 347 | for (ii = 0; ii < CB_MAX_CHANNEL_24G; ii++) { |
| 348 | pDevice->abyCCKPwrTbl[ii + 1] = |
| 349 | SROMbyReadEmbedded(pDevice->PortOffset, |
| 350 | (unsigned char)(ii + EEP_OFS_CCK_PWR_TBL)); |
| 351 | if (pDevice->abyCCKPwrTbl[ii + 1] == 0) |
| 352 | pDevice->abyCCKPwrTbl[ii+1] = pDevice->byCCKPwr; |
| 353 | |
| 354 | pDevice->abyOFDMPwrTbl[ii + 1] = |
| 355 | SROMbyReadEmbedded(pDevice->PortOffset, |
| 356 | (unsigned char)(ii + EEP_OFS_OFDM_PWR_TBL)); |
| 357 | if (pDevice->abyOFDMPwrTbl[ii + 1] == 0) |
| 358 | pDevice->abyOFDMPwrTbl[ii + 1] = pDevice->byOFDMPwrG; |
| 359 | |
| 360 | pDevice->abyCCKDefaultPwr[ii + 1] = byCCKPwrdBm; |
| 361 | pDevice->abyOFDMDefaultPwr[ii + 1] = byOFDMPwrdBm; |
| 362 | } |
| 363 | |
| 364 | /* recover 12,13 ,14channel for EUROPE by 11 channel */ |
| 365 | for (ii = 11; ii < 14; ii++) { |
| 366 | pDevice->abyCCKPwrTbl[ii] = pDevice->abyCCKPwrTbl[10]; |
| 367 | pDevice->abyOFDMPwrTbl[ii] = pDevice->abyOFDMPwrTbl[10]; |
| 368 | } |
| 369 | |
| 370 | /* Load OFDM A Power Table */ |
| 371 | for (ii = 0; ii < CB_MAX_CHANNEL_5G; ii++) { |
| 372 | pDevice->abyOFDMPwrTbl[ii + CB_MAX_CHANNEL_24G + 1] = |
| 373 | SROMbyReadEmbedded(pDevice->PortOffset, |
| 374 | (unsigned char)(ii + EEP_OFS_OFDMA_PWR_TBL)); |
| 375 | |
| 376 | pDevice->abyOFDMDefaultPwr[ii + CB_MAX_CHANNEL_24G + 1] = |
| 377 | SROMbyReadEmbedded(pDevice->PortOffset, |
| 378 | (unsigned char)(ii + EEP_OFS_OFDMA_PWR_dBm)); |
| 379 | } |
| 380 | |
| 381 | if (pDevice->byLocalID > REV_ID_VT3253_B1) { |
| 382 | MACvSelectPage1(pDevice->PortOffset); |
| 383 | |
| 384 | VNSvOutPortB(pDevice->PortOffset + MAC_REG_MSRCTL + 1, |
| 385 | (MSRCTL1_TXPWR | MSRCTL1_CSAPAREN)); |
| 386 | |
| 387 | MACvSelectPage0(pDevice->PortOffset); |
| 388 | } |
| 389 | |
| 390 | /* use relative tx timeout and 802.11i D4 */ |
| 391 | MACvWordRegBitsOn(pDevice->PortOffset, |
| 392 | MAC_REG_CFG, (CFG_TKIPOPT | CFG_NOTXTIMEOUT)); |
| 393 | |
| 394 | /* set performance parameter by registry */ |
| 395 | MACvSetShortRetryLimit(pDevice->PortOffset, pDevice->byShortRetryLimit); |
| 396 | MACvSetLongRetryLimit(pDevice->PortOffset, pDevice->byLongRetryLimit); |
| 397 | |
| 398 | /* reset TSF counter */ |
| 399 | VNSvOutPortB(pDevice->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST); |
| 400 | /* enable TSF counter */ |
| 401 | VNSvOutPortB(pDevice->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
| 402 | |
| 403 | /* initialize BBP registers */ |
| 404 | BBbVT3253Init(pDevice); |
| 405 | |
| 406 | if (pDevice->bUpdateBBVGA) { |
| 407 | pDevice->byBBVGACurrent = pDevice->abyBBVGA[0]; |
| 408 | pDevice->byBBVGANew = pDevice->byBBVGACurrent; |
| 409 | BBvSetVGAGainOffset(pDevice, pDevice->abyBBVGA[0]); |
| 410 | } |
| 411 | |
| 412 | BBvSetRxAntennaMode(pDevice, pDevice->byRxAntennaMode); |
| 413 | BBvSetTxAntennaMode(pDevice, pDevice->byTxAntennaMode); |
| 414 | |
| 415 | /* Set BB and packet type at the same time. */ |
| 416 | /* Set Short Slot Time, xIFS, and RSPINF. */ |
| 417 | pDevice->wCurrentRate = RATE_54M; |
| 418 | |
| 419 | pDevice->bRadioOff = false; |
| 420 | |
| 421 | pDevice->byRadioCtl = SROMbyReadEmbedded(pDevice->PortOffset, |
| 422 | EEP_OFS_RADIOCTL); |
| 423 | pDevice->bHWRadioOff = false; |
| 424 | |
| 425 | if (pDevice->byRadioCtl & EEP_RADIOCTL_ENABLE) { |
| 426 | /* Get GPIO */ |
| 427 | MACvGPIOIn(pDevice->PortOffset, &pDevice->byGPIO); |
| 428 | |
| 429 | if (((pDevice->byGPIO & GPIO0_DATA) && |
| 430 | !(pDevice->byRadioCtl & EEP_RADIOCTL_INV)) || |
| 431 | (!(pDevice->byGPIO & GPIO0_DATA) && |
| 432 | (pDevice->byRadioCtl & EEP_RADIOCTL_INV))) |
| 433 | pDevice->bHWRadioOff = true; |
| 434 | } |
| 435 | |
| 436 | if (pDevice->bHWRadioOff || pDevice->bRadioControlOff) |
| 437 | CARDbRadioPowerOff(pDevice); |
| 438 | |
| 439 | /* get Permanent network address */ |
| 440 | SROMvReadEtherAddress(pDevice->PortOffset, pDevice->abyCurrentNetAddr); |
| 441 | pr_debug("Network address = %pM\n", pDevice->abyCurrentNetAddr); |
| 442 | |
| 443 | /* reset Tx pointer */ |
| 444 | CARDvSafeResetRx(pDevice); |
| 445 | /* reset Rx pointer */ |
| 446 | CARDvSafeResetTx(pDevice); |
| 447 | |
| 448 | if (pDevice->byLocalID <= REV_ID_VT3253_A1) |
| 449 | MACvRegBitsOn(pDevice->PortOffset, MAC_REG_RCR, RCR_WPAERR); |
| 450 | |
| 451 | /* Turn On Rx DMA */ |
| 452 | MACvReceive0(pDevice->PortOffset); |
| 453 | MACvReceive1(pDevice->PortOffset); |
| 454 | |
| 455 | /* start the adapter */ |
| 456 | MACvStart(pDevice->PortOffset); |
| 457 | } |
| 458 | |
| 459 | static void device_print_info(struct vnt_private *pDevice) |
| 460 | { |
| 461 | dev_info(&pDevice->pcid->dev, "%s\n", get_chip_name(pDevice->chip_id)); |
| 462 | |
| 463 | dev_info(&pDevice->pcid->dev, "MAC=%pM IO=0x%lx Mem=0x%lx IRQ=%d\n", |
| 464 | pDevice->abyCurrentNetAddr, (unsigned long)pDevice->ioaddr, |
| 465 | (unsigned long)pDevice->PortOffset, pDevice->pcid->irq); |
| 466 | } |
| 467 | |
| 468 | static void vt6655_init_info(struct pci_dev *pcid, |
| 469 | struct vnt_private **ppDevice, |
| 470 | PCHIP_INFO pChip_info) |
| 471 | { |
| 472 | memset(*ppDevice, 0, sizeof(**ppDevice)); |
| 473 | |
| 474 | (*ppDevice)->pcid = pcid; |
| 475 | (*ppDevice)->chip_id = pChip_info->chip_id; |
| 476 | (*ppDevice)->io_size = pChip_info->io_size; |
| 477 | (*ppDevice)->nTxQueues = pChip_info->nTxQueue; |
| 478 | (*ppDevice)->multicast_limit = 32; |
| 479 | |
| 480 | spin_lock_init(&((*ppDevice)->lock)); |
| 481 | } |
| 482 | |
| 483 | static bool device_get_pci_info(struct vnt_private *pDevice, |
| 484 | struct pci_dev *pcid) |
| 485 | { |
| 486 | u16 pci_cmd; |
| 487 | u8 b; |
| 488 | unsigned int cis_addr; |
| 489 | |
| 490 | pci_read_config_byte(pcid, PCI_REVISION_ID, &pDevice->byRevId); |
| 491 | pci_read_config_word(pcid, PCI_SUBSYSTEM_ID, &pDevice->SubSystemID); |
| 492 | pci_read_config_word(pcid, PCI_SUBSYSTEM_VENDOR_ID, &pDevice->SubVendorID); |
| 493 | pci_read_config_word(pcid, PCI_COMMAND, (u16 *)&(pci_cmd)); |
| 494 | |
| 495 | pci_set_master(pcid); |
| 496 | |
| 497 | pDevice->memaddr = pci_resource_start(pcid, 0); |
| 498 | pDevice->ioaddr = pci_resource_start(pcid, 1); |
| 499 | |
| 500 | cis_addr = pci_resource_start(pcid, 2); |
| 501 | |
| 502 | pDevice->pcid = pcid; |
| 503 | |
| 504 | pci_read_config_byte(pcid, PCI_COMMAND, &b); |
| 505 | pci_write_config_byte(pcid, PCI_COMMAND, (b|PCI_COMMAND_MASTER)); |
| 506 | |
| 507 | return true; |
| 508 | } |
| 509 | |
| 510 | static void device_free_info(struct vnt_private *pDevice) |
| 511 | { |
| 512 | if (!pDevice) |
| 513 | return; |
| 514 | |
| 515 | if (pDevice->mac_hw) |
| 516 | ieee80211_unregister_hw(pDevice->hw); |
| 517 | |
| 518 | if (pDevice->PortOffset) |
| 519 | iounmap(pDevice->PortOffset); |
| 520 | |
| 521 | if (pDevice->pcid) |
| 522 | pci_release_regions(pDevice->pcid); |
| 523 | |
| 524 | if (pDevice->hw) |
| 525 | ieee80211_free_hw(pDevice->hw); |
| 526 | } |
| 527 | |
| 528 | static bool device_init_rings(struct vnt_private *pDevice) |
| 529 | { |
| 530 | void *vir_pool; |
| 531 | |
| 532 | /*allocate all RD/TD rings a single pool*/ |
| 533 | vir_pool = pci_zalloc_consistent(pDevice->pcid, |
| 534 | pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) + |
| 535 | pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) + |
| 536 | pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) + |
| 537 | pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc), |
| 538 | &pDevice->pool_dma); |
| 539 | if (vir_pool == NULL) { |
| 540 | dev_err(&pDevice->pcid->dev, "allocate desc dma memory failed\n"); |
| 541 | return false; |
| 542 | } |
| 543 | |
| 544 | pDevice->aRD0Ring = vir_pool; |
| 545 | pDevice->aRD1Ring = vir_pool + |
| 546 | pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc); |
| 547 | |
| 548 | pDevice->rd0_pool_dma = pDevice->pool_dma; |
| 549 | pDevice->rd1_pool_dma = pDevice->rd0_pool_dma + |
| 550 | pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc); |
| 551 | |
| 552 | pDevice->tx0_bufs = pci_zalloc_consistent(pDevice->pcid, |
| 553 | pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ + |
| 554 | pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ + |
| 555 | CB_BEACON_BUF_SIZE + |
| 556 | CB_MAX_BUF_SIZE, |
| 557 | &pDevice->tx_bufs_dma0); |
| 558 | if (pDevice->tx0_bufs == NULL) { |
| 559 | dev_err(&pDevice->pcid->dev, "allocate buf dma memory failed\n"); |
| 560 | |
| 561 | pci_free_consistent(pDevice->pcid, |
| 562 | pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) + |
| 563 | pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) + |
| 564 | pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) + |
| 565 | pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc), |
| 566 | vir_pool, pDevice->pool_dma |
| 567 | ); |
| 568 | return false; |
| 569 | } |
| 570 | |
| 571 | pDevice->td0_pool_dma = pDevice->rd1_pool_dma + |
| 572 | pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc); |
| 573 | |
| 574 | pDevice->td1_pool_dma = pDevice->td0_pool_dma + |
| 575 | pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc); |
| 576 | |
| 577 | // vir_pool: pvoid type |
| 578 | pDevice->apTD0Rings = vir_pool |
| 579 | + pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) |
| 580 | + pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc); |
| 581 | |
| 582 | pDevice->apTD1Rings = vir_pool |
| 583 | + pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) |
| 584 | + pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) |
| 585 | + pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc); |
| 586 | |
| 587 | pDevice->tx1_bufs = pDevice->tx0_bufs + |
| 588 | pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ; |
| 589 | |
| 590 | pDevice->tx_beacon_bufs = pDevice->tx1_bufs + |
| 591 | pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ; |
| 592 | |
| 593 | pDevice->pbyTmpBuff = pDevice->tx_beacon_bufs + |
| 594 | CB_BEACON_BUF_SIZE; |
| 595 | |
| 596 | pDevice->tx_bufs_dma1 = pDevice->tx_bufs_dma0 + |
| 597 | pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ; |
| 598 | |
| 599 | pDevice->tx_beacon_dma = pDevice->tx_bufs_dma1 + |
| 600 | pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ; |
| 601 | |
| 602 | return true; |
| 603 | } |
| 604 | |
| 605 | static void device_free_rings(struct vnt_private *pDevice) |
| 606 | { |
| 607 | pci_free_consistent(pDevice->pcid, |
| 608 | pDevice->sOpts.nRxDescs0 * sizeof(SRxDesc) + |
| 609 | pDevice->sOpts.nRxDescs1 * sizeof(SRxDesc) + |
| 610 | pDevice->sOpts.nTxDescs[0] * sizeof(STxDesc) + |
| 611 | pDevice->sOpts.nTxDescs[1] * sizeof(STxDesc) |
| 612 | , |
| 613 | pDevice->aRD0Ring, pDevice->pool_dma |
| 614 | ); |
| 615 | |
| 616 | if (pDevice->tx0_bufs) |
| 617 | pci_free_consistent(pDevice->pcid, |
| 618 | pDevice->sOpts.nTxDescs[0] * PKT_BUF_SZ + |
| 619 | pDevice->sOpts.nTxDescs[1] * PKT_BUF_SZ + |
| 620 | CB_BEACON_BUF_SIZE + |
| 621 | CB_MAX_BUF_SIZE, |
| 622 | pDevice->tx0_bufs, pDevice->tx_bufs_dma0 |
| 623 | ); |
| 624 | } |
| 625 | |
| 626 | static void device_init_rd0_ring(struct vnt_private *pDevice) |
| 627 | { |
| 628 | int i; |
| 629 | dma_addr_t curr = pDevice->rd0_pool_dma; |
| 630 | PSRxDesc pDesc; |
| 631 | |
| 632 | /* Init the RD0 ring entries */ |
| 633 | for (i = 0; i < pDevice->sOpts.nRxDescs0; i ++, curr += sizeof(SRxDesc)) { |
| 634 | pDesc = &(pDevice->aRD0Ring[i]); |
| 635 | pDesc->pRDInfo = alloc_rd_info(); |
| 636 | ASSERT(pDesc->pRDInfo); |
| 637 | if (!device_alloc_rx_buf(pDevice, pDesc)) |
| 638 | dev_err(&pDevice->pcid->dev, "can not alloc rx bufs\n"); |
| 639 | |
| 640 | pDesc->next = &(pDevice->aRD0Ring[(i+1) % pDevice->sOpts.nRxDescs0]); |
| 641 | pDesc->pRDInfo->curr_desc = cpu_to_le32(curr); |
| 642 | pDesc->next_desc = cpu_to_le32(curr + sizeof(SRxDesc)); |
| 643 | } |
| 644 | |
| 645 | if (i > 0) |
| 646 | pDevice->aRD0Ring[i-1].next_desc = cpu_to_le32(pDevice->rd0_pool_dma); |
| 647 | pDevice->pCurrRD[0] = &(pDevice->aRD0Ring[0]); |
| 648 | } |
| 649 | |
| 650 | static void device_init_rd1_ring(struct vnt_private *pDevice) |
| 651 | { |
| 652 | int i; |
| 653 | dma_addr_t curr = pDevice->rd1_pool_dma; |
| 654 | PSRxDesc pDesc; |
| 655 | |
| 656 | /* Init the RD1 ring entries */ |
| 657 | for (i = 0; i < pDevice->sOpts.nRxDescs1; i ++, curr += sizeof(SRxDesc)) { |
| 658 | pDesc = &(pDevice->aRD1Ring[i]); |
| 659 | pDesc->pRDInfo = alloc_rd_info(); |
| 660 | ASSERT(pDesc->pRDInfo); |
| 661 | if (!device_alloc_rx_buf(pDevice, pDesc)) |
| 662 | dev_err(&pDevice->pcid->dev, "can not alloc rx bufs\n"); |
| 663 | |
| 664 | pDesc->next = &(pDevice->aRD1Ring[(i+1) % pDevice->sOpts.nRxDescs1]); |
| 665 | pDesc->pRDInfo->curr_desc = cpu_to_le32(curr); |
| 666 | pDesc->next_desc = cpu_to_le32(curr + sizeof(SRxDesc)); |
| 667 | } |
| 668 | |
| 669 | if (i > 0) |
| 670 | pDevice->aRD1Ring[i-1].next_desc = cpu_to_le32(pDevice->rd1_pool_dma); |
| 671 | pDevice->pCurrRD[1] = &(pDevice->aRD1Ring[0]); |
| 672 | } |
| 673 | |
| 674 | static void device_free_rd0_ring(struct vnt_private *pDevice) |
| 675 | { |
| 676 | int i; |
| 677 | |
| 678 | for (i = 0; i < pDevice->sOpts.nRxDescs0; i++) { |
| 679 | PSRxDesc pDesc = &(pDevice->aRD0Ring[i]); |
| 680 | PDEVICE_RD_INFO pRDInfo = pDesc->pRDInfo; |
| 681 | |
| 682 | pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma, |
| 683 | pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE); |
| 684 | |
| 685 | dev_kfree_skb(pRDInfo->skb); |
| 686 | |
| 687 | kfree(pDesc->pRDInfo); |
| 688 | } |
| 689 | } |
| 690 | |
| 691 | static void device_free_rd1_ring(struct vnt_private *pDevice) |
| 692 | { |
| 693 | int i; |
| 694 | |
| 695 | for (i = 0; i < pDevice->sOpts.nRxDescs1; i++) { |
| 696 | PSRxDesc pDesc = &(pDevice->aRD1Ring[i]); |
| 697 | PDEVICE_RD_INFO pRDInfo = pDesc->pRDInfo; |
| 698 | |
| 699 | pci_unmap_single(pDevice->pcid, pRDInfo->skb_dma, |
| 700 | pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE); |
| 701 | |
| 702 | dev_kfree_skb(pRDInfo->skb); |
| 703 | |
| 704 | kfree(pDesc->pRDInfo); |
| 705 | } |
| 706 | } |
| 707 | |
| 708 | static void device_init_td0_ring(struct vnt_private *pDevice) |
| 709 | { |
| 710 | int i; |
| 711 | dma_addr_t curr; |
| 712 | PSTxDesc pDesc; |
| 713 | |
| 714 | curr = pDevice->td0_pool_dma; |
| 715 | for (i = 0; i < pDevice->sOpts.nTxDescs[0]; i++, curr += sizeof(STxDesc)) { |
| 716 | pDesc = &(pDevice->apTD0Rings[i]); |
| 717 | pDesc->pTDInfo = alloc_td_info(); |
| 718 | ASSERT(pDesc->pTDInfo); |
| 719 | if (pDevice->flags & DEVICE_FLAGS_TX_ALIGN) { |
| 720 | pDesc->pTDInfo->buf = pDevice->tx0_bufs + (i)*PKT_BUF_SZ; |
| 721 | pDesc->pTDInfo->buf_dma = pDevice->tx_bufs_dma0 + (i)*PKT_BUF_SZ; |
| 722 | } |
| 723 | pDesc->next = &(pDevice->apTD0Rings[(i+1) % pDevice->sOpts.nTxDescs[0]]); |
| 724 | pDesc->pTDInfo->curr_desc = cpu_to_le32(curr); |
| 725 | pDesc->next_desc = cpu_to_le32(curr+sizeof(STxDesc)); |
| 726 | } |
| 727 | |
| 728 | if (i > 0) |
| 729 | pDevice->apTD0Rings[i-1].next_desc = cpu_to_le32(pDevice->td0_pool_dma); |
| 730 | pDevice->apTailTD[0] = pDevice->apCurrTD[0] = &(pDevice->apTD0Rings[0]); |
| 731 | } |
| 732 | |
| 733 | static void device_init_td1_ring(struct vnt_private *pDevice) |
| 734 | { |
| 735 | int i; |
| 736 | dma_addr_t curr; |
| 737 | PSTxDesc pDesc; |
| 738 | |
| 739 | /* Init the TD ring entries */ |
| 740 | curr = pDevice->td1_pool_dma; |
| 741 | for (i = 0; i < pDevice->sOpts.nTxDescs[1]; i++, curr += sizeof(STxDesc)) { |
| 742 | pDesc = &(pDevice->apTD1Rings[i]); |
| 743 | pDesc->pTDInfo = alloc_td_info(); |
| 744 | ASSERT(pDesc->pTDInfo); |
| 745 | if (pDevice->flags & DEVICE_FLAGS_TX_ALIGN) { |
| 746 | pDesc->pTDInfo->buf = pDevice->tx1_bufs + (i) * PKT_BUF_SZ; |
| 747 | pDesc->pTDInfo->buf_dma = pDevice->tx_bufs_dma1 + (i) * PKT_BUF_SZ; |
| 748 | } |
| 749 | pDesc->next = &(pDevice->apTD1Rings[(i + 1) % pDevice->sOpts.nTxDescs[1]]); |
| 750 | pDesc->pTDInfo->curr_desc = cpu_to_le32(curr); |
| 751 | pDesc->next_desc = cpu_to_le32(curr+sizeof(STxDesc)); |
| 752 | } |
| 753 | |
| 754 | if (i > 0) |
| 755 | pDevice->apTD1Rings[i-1].next_desc = cpu_to_le32(pDevice->td1_pool_dma); |
| 756 | pDevice->apTailTD[1] = pDevice->apCurrTD[1] = &(pDevice->apTD1Rings[0]); |
| 757 | } |
| 758 | |
| 759 | static void device_free_td0_ring(struct vnt_private *pDevice) |
| 760 | { |
| 761 | int i; |
| 762 | |
| 763 | for (i = 0; i < pDevice->sOpts.nTxDescs[0]; i++) { |
| 764 | PSTxDesc pDesc = &(pDevice->apTD0Rings[i]); |
| 765 | PDEVICE_TD_INFO pTDInfo = pDesc->pTDInfo; |
| 766 | |
| 767 | if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) |
| 768 | pci_unmap_single(pDevice->pcid, pTDInfo->skb_dma, |
| 769 | pTDInfo->skb->len, PCI_DMA_TODEVICE); |
| 770 | |
| 771 | if (pTDInfo->skb) |
| 772 | dev_kfree_skb(pTDInfo->skb); |
| 773 | |
| 774 | kfree(pDesc->pTDInfo); |
| 775 | } |
| 776 | } |
| 777 | |
| 778 | static void device_free_td1_ring(struct vnt_private *pDevice) |
| 779 | { |
| 780 | int i; |
| 781 | |
| 782 | for (i = 0; i < pDevice->sOpts.nTxDescs[1]; i++) { |
| 783 | PSTxDesc pDesc = &(pDevice->apTD1Rings[i]); |
| 784 | PDEVICE_TD_INFO pTDInfo = pDesc->pTDInfo; |
| 785 | |
| 786 | if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) |
| 787 | pci_unmap_single(pDevice->pcid, pTDInfo->skb_dma, |
| 788 | pTDInfo->skb->len, PCI_DMA_TODEVICE); |
| 789 | |
| 790 | if (pTDInfo->skb) |
| 791 | dev_kfree_skb(pTDInfo->skb); |
| 792 | |
| 793 | kfree(pDesc->pTDInfo); |
| 794 | } |
| 795 | } |
| 796 | |
| 797 | /*-----------------------------------------------------------------*/ |
| 798 | |
| 799 | static int device_rx_srv(struct vnt_private *pDevice, unsigned int uIdx) |
| 800 | { |
| 801 | PSRxDesc pRD; |
| 802 | int works = 0; |
| 803 | |
| 804 | for (pRD = pDevice->pCurrRD[uIdx]; |
| 805 | pRD->m_rd0RD0.f1Owner == OWNED_BY_HOST; |
| 806 | pRD = pRD->next) { |
| 807 | if (works++ > 15) |
| 808 | break; |
| 809 | if (vnt_receive_frame(pDevice, pRD)) { |
| 810 | if (!device_alloc_rx_buf(pDevice, pRD)) { |
| 811 | dev_err(&pDevice->pcid->dev, |
| 812 | "can not allocate rx buf\n"); |
| 813 | break; |
| 814 | } |
| 815 | } |
| 816 | pRD->m_rd0RD0.f1Owner = OWNED_BY_NIC; |
| 817 | } |
| 818 | |
| 819 | pDevice->pCurrRD[uIdx] = pRD; |
| 820 | |
| 821 | return works; |
| 822 | } |
| 823 | |
| 824 | static bool device_alloc_rx_buf(struct vnt_private *pDevice, PSRxDesc pRD) |
| 825 | { |
| 826 | PDEVICE_RD_INFO pRDInfo = pRD->pRDInfo; |
| 827 | |
| 828 | pRDInfo->skb = dev_alloc_skb((int)pDevice->rx_buf_sz); |
| 829 | if (pRDInfo->skb == NULL) |
| 830 | return false; |
| 831 | ASSERT(pRDInfo->skb); |
| 832 | |
| 833 | pRDInfo->skb_dma = |
| 834 | pci_map_single(pDevice->pcid, |
| 835 | skb_put(pRDInfo->skb, skb_tailroom(pRDInfo->skb)), |
| 836 | pDevice->rx_buf_sz, PCI_DMA_FROMDEVICE); |
| 837 | |
| 838 | *((unsigned int *)&(pRD->m_rd0RD0)) = 0; /* FIX cast */ |
| 839 | |
| 840 | pRD->m_rd0RD0.wResCount = cpu_to_le16(pDevice->rx_buf_sz); |
| 841 | pRD->m_rd0RD0.f1Owner = OWNED_BY_NIC; |
| 842 | pRD->m_rd1RD1.wReqCount = cpu_to_le16(pDevice->rx_buf_sz); |
| 843 | pRD->buff_addr = cpu_to_le32(pRDInfo->skb_dma); |
| 844 | |
| 845 | return true; |
| 846 | } |
| 847 | |
| 848 | static const u8 fallback_rate0[5][5] = { |
| 849 | {RATE_18M, RATE_18M, RATE_12M, RATE_12M, RATE_12M}, |
| 850 | {RATE_24M, RATE_24M, RATE_18M, RATE_12M, RATE_12M}, |
| 851 | {RATE_36M, RATE_36M, RATE_24M, RATE_18M, RATE_18M}, |
| 852 | {RATE_48M, RATE_48M, RATE_36M, RATE_24M, RATE_24M}, |
| 853 | {RATE_54M, RATE_54M, RATE_48M, RATE_36M, RATE_36M} |
| 854 | }; |
| 855 | |
| 856 | static const u8 fallback_rate1[5][5] = { |
| 857 | {RATE_18M, RATE_18M, RATE_12M, RATE_6M, RATE_6M}, |
| 858 | {RATE_24M, RATE_24M, RATE_18M, RATE_6M, RATE_6M}, |
| 859 | {RATE_36M, RATE_36M, RATE_24M, RATE_12M, RATE_12M}, |
| 860 | {RATE_48M, RATE_48M, RATE_24M, RATE_12M, RATE_12M}, |
| 861 | {RATE_54M, RATE_54M, RATE_36M, RATE_18M, RATE_18M} |
| 862 | }; |
| 863 | |
| 864 | static int vnt_int_report_rate(struct vnt_private *priv, |
| 865 | PDEVICE_TD_INFO context, u8 tsr0, u8 tsr1) |
| 866 | { |
| 867 | struct vnt_tx_fifo_head *fifo_head; |
| 868 | struct ieee80211_tx_info *info; |
| 869 | struct ieee80211_rate *rate; |
| 870 | u16 fb_option; |
| 871 | u8 tx_retry = (tsr0 & TSR0_NCR); |
| 872 | s8 idx; |
| 873 | |
| 874 | if (!context) |
| 875 | return -ENOMEM; |
| 876 | |
| 877 | if (!context->skb) |
| 878 | return -EINVAL; |
| 879 | |
| 880 | fifo_head = (struct vnt_tx_fifo_head *)context->buf; |
| 881 | fb_option = (le16_to_cpu(fifo_head->fifo_ctl) & |
| 882 | (FIFOCTL_AUTO_FB_0 | FIFOCTL_AUTO_FB_1)); |
| 883 | |
| 884 | info = IEEE80211_SKB_CB(context->skb); |
| 885 | idx = info->control.rates[0].idx; |
| 886 | |
| 887 | if (fb_option && !(tsr1 & TSR1_TERR)) { |
| 888 | u8 tx_rate; |
| 889 | u8 retry = tx_retry; |
| 890 | |
| 891 | rate = ieee80211_get_tx_rate(priv->hw, info); |
| 892 | tx_rate = rate->hw_value - RATE_18M; |
| 893 | |
| 894 | if (retry > 4) |
| 895 | retry = 4; |
| 896 | |
| 897 | if (fb_option & FIFOCTL_AUTO_FB_0) |
| 898 | tx_rate = fallback_rate0[tx_rate][retry]; |
| 899 | else if (fb_option & FIFOCTL_AUTO_FB_1) |
| 900 | tx_rate = fallback_rate1[tx_rate][retry]; |
| 901 | |
| 902 | if (info->band == IEEE80211_BAND_5GHZ) |
| 903 | idx = tx_rate - RATE_6M; |
| 904 | else |
| 905 | idx = tx_rate; |
| 906 | } |
| 907 | |
| 908 | ieee80211_tx_info_clear_status(info); |
| 909 | |
| 910 | info->status.rates[0].count = tx_retry; |
| 911 | |
| 912 | if (!(tsr1 & TSR1_TERR)) { |
| 913 | info->status.rates[0].idx = idx; |
| 914 | info->flags |= IEEE80211_TX_STAT_ACK; |
| 915 | } |
| 916 | |
| 917 | return 0; |
| 918 | } |
| 919 | |
| 920 | static int device_tx_srv(struct vnt_private *pDevice, unsigned int uIdx) |
| 921 | { |
| 922 | PSTxDesc pTD; |
| 923 | int works = 0; |
| 924 | unsigned char byTsr0; |
| 925 | unsigned char byTsr1; |
| 926 | |
| 927 | for (pTD = pDevice->apTailTD[uIdx]; pDevice->iTDUsed[uIdx] > 0; pTD = pTD->next) { |
| 928 | if (pTD->m_td0TD0.f1Owner == OWNED_BY_NIC) |
| 929 | break; |
| 930 | if (works++ > 15) |
| 931 | break; |
| 932 | |
| 933 | byTsr0 = pTD->m_td0TD0.byTSR0; |
| 934 | byTsr1 = pTD->m_td0TD0.byTSR1; |
| 935 | |
| 936 | //Only the status of first TD in the chain is correct |
| 937 | if (pTD->m_td1TD1.byTCR & TCR_STP) { |
| 938 | if ((pTD->pTDInfo->byFlags & TD_FLAGS_NETIF_SKB) != 0) { |
| 939 | |
| 940 | vnt_int_report_rate(pDevice, pTD->pTDInfo, byTsr0, byTsr1); |
| 941 | |
| 942 | if (!(byTsr1 & TSR1_TERR)) { |
| 943 | if (byTsr0 != 0) { |
| 944 | pr_debug(" Tx[%d] OK but has error. tsr1[%02X] tsr0[%02X]\n", |
| 945 | (int)uIdx, byTsr1, |
| 946 | byTsr0); |
| 947 | } |
| 948 | } else { |
| 949 | pr_debug(" Tx[%d] dropped & tsr1[%02X] tsr0[%02X]\n", |
| 950 | (int)uIdx, byTsr1, byTsr0); |
| 951 | } |
| 952 | } |
| 953 | |
| 954 | if (byTsr1 & TSR1_TERR) { |
| 955 | if ((pTD->pTDInfo->byFlags & TD_FLAGS_PRIV_SKB) != 0) { |
| 956 | pr_debug(" Tx[%d] fail has error. tsr1[%02X] tsr0[%02X]\n", |
| 957 | (int)uIdx, byTsr1, byTsr0); |
| 958 | } |
| 959 | } |
| 960 | device_free_tx_buf(pDevice, pTD); |
| 961 | pDevice->iTDUsed[uIdx]--; |
| 962 | } |
| 963 | } |
| 964 | |
| 965 | pDevice->apTailTD[uIdx] = pTD; |
| 966 | |
| 967 | return works; |
| 968 | } |
| 969 | |
| 970 | static void device_error(struct vnt_private *pDevice, unsigned short status) |
| 971 | { |
| 972 | if (status & ISR_FETALERR) { |
| 973 | dev_err(&pDevice->pcid->dev, "Hardware fatal error\n"); |
| 974 | |
| 975 | MACbShutdown(pDevice->PortOffset); |
| 976 | return; |
| 977 | } |
| 978 | } |
| 979 | |
| 980 | static void device_free_tx_buf(struct vnt_private *pDevice, PSTxDesc pDesc) |
| 981 | { |
| 982 | PDEVICE_TD_INFO pTDInfo = pDesc->pTDInfo; |
| 983 | struct sk_buff *skb = pTDInfo->skb; |
| 984 | |
| 985 | // pre-allocated buf_dma can't be unmapped. |
| 986 | if (pTDInfo->skb_dma && (pTDInfo->skb_dma != pTDInfo->buf_dma)) { |
| 987 | pci_unmap_single(pDevice->pcid, pTDInfo->skb_dma, skb->len, |
| 988 | PCI_DMA_TODEVICE); |
| 989 | } |
| 990 | |
| 991 | if (pTDInfo->byFlags & TD_FLAGS_NETIF_SKB) |
| 992 | ieee80211_tx_status_irqsafe(pDevice->hw, skb); |
| 993 | else |
| 994 | dev_kfree_skb_irq(skb); |
| 995 | |
| 996 | pTDInfo->skb_dma = 0; |
| 997 | pTDInfo->skb = NULL; |
| 998 | pTDInfo->byFlags = 0; |
| 999 | } |
| 1000 | |
| 1001 | static void vnt_check_bb_vga(struct vnt_private *priv) |
| 1002 | { |
| 1003 | long dbm; |
| 1004 | int i; |
| 1005 | |
| 1006 | if (!priv->bUpdateBBVGA) |
| 1007 | return; |
| 1008 | |
| 1009 | if (priv->hw->conf.flags & IEEE80211_CONF_OFFCHANNEL) |
| 1010 | return; |
| 1011 | |
| 1012 | if (!(priv->vif->bss_conf.assoc && priv->uCurrRSSI)) |
| 1013 | return; |
| 1014 | |
| 1015 | RFvRSSITodBm(priv, (u8)priv->uCurrRSSI, &dbm); |
| 1016 | |
| 1017 | for (i = 0; i < BB_VGA_LEVEL; i++) { |
| 1018 | if (dbm < priv->ldBmThreshold[i]) { |
| 1019 | priv->byBBVGANew = priv->abyBBVGA[i]; |
| 1020 | break; |
| 1021 | } |
| 1022 | } |
| 1023 | |
| 1024 | if (priv->byBBVGANew == priv->byBBVGACurrent) { |
| 1025 | priv->uBBVGADiffCount = 1; |
| 1026 | return; |
| 1027 | } |
| 1028 | |
| 1029 | priv->uBBVGADiffCount++; |
| 1030 | |
| 1031 | if (priv->uBBVGADiffCount == 1) { |
| 1032 | /* first VGA diff gain */ |
| 1033 | BBvSetVGAGainOffset(priv, priv->byBBVGANew); |
| 1034 | |
| 1035 | dev_dbg(&priv->pcid->dev, |
| 1036 | "First RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n", |
| 1037 | (int)dbm, priv->byBBVGANew, |
| 1038 | priv->byBBVGACurrent, |
| 1039 | (int)priv->uBBVGADiffCount); |
| 1040 | } |
| 1041 | |
| 1042 | if (priv->uBBVGADiffCount >= BB_VGA_CHANGE_THRESHOLD) { |
| 1043 | dev_dbg(&priv->pcid->dev, |
| 1044 | "RSSI[%d] NewGain[%d] OldGain[%d] Count[%d]\n", |
| 1045 | (int)dbm, priv->byBBVGANew, |
| 1046 | priv->byBBVGACurrent, |
| 1047 | (int)priv->uBBVGADiffCount); |
| 1048 | |
| 1049 | BBvSetVGAGainOffset(priv, priv->byBBVGANew); |
| 1050 | } |
| 1051 | } |
| 1052 | |
| 1053 | static irqreturn_t device_intr(int irq, void *dev_instance) |
| 1054 | { |
| 1055 | struct vnt_private *pDevice = dev_instance; |
| 1056 | int max_count = 0; |
| 1057 | unsigned long dwMIBCounter = 0; |
| 1058 | unsigned char byOrgPageSel = 0; |
| 1059 | int handled = 0; |
| 1060 | unsigned long flags; |
| 1061 | |
| 1062 | MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr); |
| 1063 | |
| 1064 | if (pDevice->dwIsr == 0) |
| 1065 | return IRQ_RETVAL(handled); |
| 1066 | |
| 1067 | if (pDevice->dwIsr == 0xffffffff) { |
| 1068 | pr_debug("dwIsr = 0xffff\n"); |
| 1069 | return IRQ_RETVAL(handled); |
| 1070 | } |
| 1071 | |
| 1072 | handled = 1; |
| 1073 | MACvIntDisable(pDevice->PortOffset); |
| 1074 | |
| 1075 | spin_lock_irqsave(&pDevice->lock, flags); |
| 1076 | |
| 1077 | //Make sure current page is 0 |
| 1078 | VNSvInPortB(pDevice->PortOffset + MAC_REG_PAGE1SEL, &byOrgPageSel); |
| 1079 | if (byOrgPageSel == 1) |
| 1080 | MACvSelectPage0(pDevice->PortOffset); |
| 1081 | else |
| 1082 | byOrgPageSel = 0; |
| 1083 | |
| 1084 | MACvReadMIBCounter(pDevice->PortOffset, &dwMIBCounter); |
| 1085 | // TBD.... |
| 1086 | // Must do this after doing rx/tx, cause ISR bit is slow |
| 1087 | // than RD/TD write back |
| 1088 | // update ISR counter |
| 1089 | STAvUpdate802_11Counter(&pDevice->s802_11Counter, &pDevice->scStatistic, dwMIBCounter); |
| 1090 | while (pDevice->dwIsr != 0) { |
| 1091 | STAvUpdateIsrStatCounter(&pDevice->scStatistic, pDevice->dwIsr); |
| 1092 | MACvWriteISR(pDevice->PortOffset, pDevice->dwIsr); |
| 1093 | |
| 1094 | if (pDevice->dwIsr & ISR_FETALERR) { |
| 1095 | pr_debug(" ISR_FETALERR\n"); |
| 1096 | VNSvOutPortB(pDevice->PortOffset + MAC_REG_SOFTPWRCTL, 0); |
| 1097 | VNSvOutPortW(pDevice->PortOffset + MAC_REG_SOFTPWRCTL, SOFTPWRCTL_SWPECTI); |
| 1098 | device_error(pDevice, pDevice->dwIsr); |
| 1099 | } |
| 1100 | |
| 1101 | if (pDevice->dwIsr & ISR_TBTT) { |
| 1102 | if (pDevice->vif && |
| 1103 | pDevice->op_mode != NL80211_IFTYPE_ADHOC) |
| 1104 | vnt_check_bb_vga(pDevice); |
| 1105 | |
| 1106 | pDevice->bBeaconSent = false; |
| 1107 | if (pDevice->bEnablePSMode) |
| 1108 | PSbIsNextTBTTWakeUp((void *)pDevice); |
| 1109 | |
| 1110 | if ((pDevice->op_mode == NL80211_IFTYPE_AP || |
| 1111 | pDevice->op_mode == NL80211_IFTYPE_ADHOC) && |
| 1112 | pDevice->vif->bss_conf.enable_beacon) { |
| 1113 | MACvOneShotTimer1MicroSec(pDevice->PortOffset, |
| 1114 | (pDevice->vif->bss_conf.beacon_int - MAKE_BEACON_RESERVED) << 10); |
| 1115 | } |
| 1116 | |
| 1117 | /* TODO: adhoc PS mode */ |
| 1118 | |
| 1119 | } |
| 1120 | |
| 1121 | if (pDevice->dwIsr & ISR_BNTX) { |
| 1122 | if (pDevice->op_mode == NL80211_IFTYPE_ADHOC) { |
| 1123 | pDevice->bIsBeaconBufReadySet = false; |
| 1124 | pDevice->cbBeaconBufReadySetCnt = 0; |
| 1125 | } |
| 1126 | |
| 1127 | pDevice->bBeaconSent = true; |
| 1128 | } |
| 1129 | |
| 1130 | if (pDevice->dwIsr & ISR_RXDMA0) |
| 1131 | max_count += device_rx_srv(pDevice, TYPE_RXDMA0); |
| 1132 | |
| 1133 | if (pDevice->dwIsr & ISR_RXDMA1) |
| 1134 | max_count += device_rx_srv(pDevice, TYPE_RXDMA1); |
| 1135 | |
| 1136 | if (pDevice->dwIsr & ISR_TXDMA0) |
| 1137 | max_count += device_tx_srv(pDevice, TYPE_TXDMA0); |
| 1138 | |
| 1139 | if (pDevice->dwIsr & ISR_AC0DMA) |
| 1140 | max_count += device_tx_srv(pDevice, TYPE_AC0DMA); |
| 1141 | |
| 1142 | if (pDevice->dwIsr & ISR_SOFTTIMER1) { |
| 1143 | if (pDevice->vif) { |
| 1144 | if (pDevice->vif->bss_conf.enable_beacon) |
| 1145 | vnt_beacon_make(pDevice, pDevice->vif); |
| 1146 | } |
| 1147 | } |
| 1148 | |
| 1149 | /* If both buffers available wake the queue */ |
| 1150 | if (pDevice->vif) { |
| 1151 | if (AVAIL_TD(pDevice, TYPE_TXDMA0) && |
| 1152 | AVAIL_TD(pDevice, TYPE_AC0DMA) && |
| 1153 | ieee80211_queue_stopped(pDevice->hw, 0)) |
| 1154 | ieee80211_wake_queues(pDevice->hw); |
| 1155 | } |
| 1156 | |
| 1157 | MACvReadISR(pDevice->PortOffset, &pDevice->dwIsr); |
| 1158 | |
| 1159 | MACvReceive0(pDevice->PortOffset); |
| 1160 | MACvReceive1(pDevice->PortOffset); |
| 1161 | |
| 1162 | if (max_count > pDevice->sOpts.int_works) |
| 1163 | break; |
| 1164 | } |
| 1165 | |
| 1166 | if (byOrgPageSel == 1) |
| 1167 | MACvSelectPage1(pDevice->PortOffset); |
| 1168 | |
| 1169 | spin_unlock_irqrestore(&pDevice->lock, flags); |
| 1170 | |
| 1171 | MACvIntEnable(pDevice->PortOffset, IMR_MASK_VALUE); |
| 1172 | |
| 1173 | return IRQ_RETVAL(handled); |
| 1174 | } |
| 1175 | |
| 1176 | static int vnt_tx_packet(struct vnt_private *priv, struct sk_buff *skb) |
| 1177 | { |
| 1178 | struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data; |
| 1179 | PSTxDesc head_td; |
| 1180 | u32 dma_idx; |
| 1181 | unsigned long flags; |
| 1182 | |
| 1183 | spin_lock_irqsave(&priv->lock, flags); |
| 1184 | |
| 1185 | if (ieee80211_is_data(hdr->frame_control)) |
| 1186 | dma_idx = TYPE_AC0DMA; |
| 1187 | else |
| 1188 | dma_idx = TYPE_TXDMA0; |
| 1189 | |
| 1190 | if (AVAIL_TD(priv, dma_idx) < 1) { |
| 1191 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1192 | return -ENOMEM; |
| 1193 | } |
| 1194 | |
| 1195 | head_td = priv->apCurrTD[dma_idx]; |
| 1196 | |
| 1197 | head_td->m_td1TD1.byTCR = 0; |
| 1198 | |
| 1199 | head_td->pTDInfo->skb = skb; |
| 1200 | |
| 1201 | if (dma_idx == TYPE_AC0DMA) |
| 1202 | head_td->pTDInfo->byFlags = TD_FLAGS_NETIF_SKB; |
| 1203 | |
| 1204 | priv->iTDUsed[dma_idx]++; |
| 1205 | |
| 1206 | /* Take ownership */ |
| 1207 | wmb(); |
| 1208 | head_td->m_td0TD0.f1Owner = OWNED_BY_NIC; |
| 1209 | |
| 1210 | /* get Next */ |
| 1211 | wmb(); |
| 1212 | priv->apCurrTD[dma_idx] = head_td->next; |
| 1213 | |
| 1214 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1215 | |
| 1216 | vnt_generate_fifo_header(priv, dma_idx, head_td, skb); |
| 1217 | |
| 1218 | if (MACbIsRegBitsOn(priv->PortOffset, MAC_REG_PSCTL, PSCTL_PS)) |
| 1219 | MACbPSWakeup(priv->PortOffset); |
| 1220 | |
| 1221 | spin_lock_irqsave(&priv->lock, flags); |
| 1222 | |
| 1223 | priv->bPWBitOn = false; |
| 1224 | |
| 1225 | /* Set TSR1 & ReqCount in TxDescHead */ |
| 1226 | head_td->m_td1TD1.byTCR |= (TCR_STP | TCR_EDP | EDMSDU); |
| 1227 | head_td->m_td1TD1.wReqCount = |
| 1228 | cpu_to_le16((u16)head_td->pTDInfo->dwReqCount); |
| 1229 | |
| 1230 | head_td->buff_addr = cpu_to_le32(head_td->pTDInfo->skb_dma); |
| 1231 | |
| 1232 | if (head_td->pTDInfo->byFlags & TD_FLAGS_NETIF_SKB) |
| 1233 | MACvTransmitAC0(priv->PortOffset); |
| 1234 | else |
| 1235 | MACvTransmit0(priv->PortOffset); |
| 1236 | |
| 1237 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1238 | |
| 1239 | return 0; |
| 1240 | } |
| 1241 | |
| 1242 | static void vnt_tx_80211(struct ieee80211_hw *hw, |
| 1243 | struct ieee80211_tx_control *control, |
| 1244 | struct sk_buff *skb) |
| 1245 | { |
| 1246 | struct vnt_private *priv = hw->priv; |
| 1247 | |
| 1248 | ieee80211_stop_queues(hw); |
| 1249 | |
| 1250 | if (vnt_tx_packet(priv, skb)) { |
| 1251 | ieee80211_free_txskb(hw, skb); |
| 1252 | |
| 1253 | ieee80211_wake_queues(hw); |
| 1254 | } |
| 1255 | } |
| 1256 | |
| 1257 | static int vnt_start(struct ieee80211_hw *hw) |
| 1258 | { |
| 1259 | struct vnt_private *priv = hw->priv; |
| 1260 | int ret; |
| 1261 | |
| 1262 | priv->rx_buf_sz = PKT_BUF_SZ; |
| 1263 | if (!device_init_rings(priv)) |
| 1264 | return -ENOMEM; |
| 1265 | |
| 1266 | ret = request_irq(priv->pcid->irq, &device_intr, |
| 1267 | IRQF_SHARED, "vt6655", priv); |
| 1268 | if (ret) { |
| 1269 | dev_dbg(&priv->pcid->dev, "failed to start irq\n"); |
| 1270 | return ret; |
| 1271 | } |
| 1272 | |
| 1273 | dev_dbg(&priv->pcid->dev, "call device init rd0 ring\n"); |
| 1274 | device_init_rd0_ring(priv); |
| 1275 | device_init_rd1_ring(priv); |
| 1276 | device_init_td0_ring(priv); |
| 1277 | device_init_td1_ring(priv); |
| 1278 | |
| 1279 | device_init_registers(priv); |
| 1280 | |
| 1281 | dev_dbg(&priv->pcid->dev, "call MACvIntEnable\n"); |
| 1282 | MACvIntEnable(priv->PortOffset, IMR_MASK_VALUE); |
| 1283 | |
| 1284 | ieee80211_wake_queues(hw); |
| 1285 | |
| 1286 | return 0; |
| 1287 | } |
| 1288 | |
| 1289 | static void vnt_stop(struct ieee80211_hw *hw) |
| 1290 | { |
| 1291 | struct vnt_private *priv = hw->priv; |
| 1292 | |
| 1293 | ieee80211_stop_queues(hw); |
| 1294 | |
| 1295 | MACbShutdown(priv->PortOffset); |
| 1296 | MACbSoftwareReset(priv->PortOffset); |
| 1297 | CARDbRadioPowerOff(priv); |
| 1298 | |
| 1299 | device_free_td0_ring(priv); |
| 1300 | device_free_td1_ring(priv); |
| 1301 | device_free_rd0_ring(priv); |
| 1302 | device_free_rd1_ring(priv); |
| 1303 | device_free_rings(priv); |
| 1304 | |
| 1305 | free_irq(priv->pcid->irq, priv); |
| 1306 | } |
| 1307 | |
| 1308 | static int vnt_add_interface(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1309 | { |
| 1310 | struct vnt_private *priv = hw->priv; |
| 1311 | |
| 1312 | priv->vif = vif; |
| 1313 | |
| 1314 | switch (vif->type) { |
| 1315 | case NL80211_IFTYPE_STATION: |
| 1316 | break; |
| 1317 | case NL80211_IFTYPE_ADHOC: |
| 1318 | MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST); |
| 1319 | |
| 1320 | MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC); |
| 1321 | |
| 1322 | break; |
| 1323 | case NL80211_IFTYPE_AP: |
| 1324 | MACvRegBitsOff(priv->PortOffset, MAC_REG_RCR, RCR_UNICAST); |
| 1325 | |
| 1326 | MACvRegBitsOn(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP); |
| 1327 | |
| 1328 | break; |
| 1329 | default: |
| 1330 | return -EOPNOTSUPP; |
| 1331 | } |
| 1332 | |
| 1333 | priv->op_mode = vif->type; |
| 1334 | |
| 1335 | return 0; |
| 1336 | } |
| 1337 | |
| 1338 | static void vnt_remove_interface(struct ieee80211_hw *hw, |
| 1339 | struct ieee80211_vif *vif) |
| 1340 | { |
| 1341 | struct vnt_private *priv = hw->priv; |
| 1342 | |
| 1343 | switch (vif->type) { |
| 1344 | case NL80211_IFTYPE_STATION: |
| 1345 | break; |
| 1346 | case NL80211_IFTYPE_ADHOC: |
| 1347 | MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX); |
| 1348 | MACvRegBitsOff(priv->PortOffset, |
| 1349 | MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
| 1350 | MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_ADHOC); |
| 1351 | break; |
| 1352 | case NL80211_IFTYPE_AP: |
| 1353 | MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, TCR_AUTOBCNTX); |
| 1354 | MACvRegBitsOff(priv->PortOffset, |
| 1355 | MAC_REG_TFTCTL, TFTCTL_TSFCNTREN); |
| 1356 | MACvRegBitsOff(priv->PortOffset, MAC_REG_HOSTCR, HOSTCR_AP); |
| 1357 | break; |
| 1358 | default: |
| 1359 | break; |
| 1360 | } |
| 1361 | |
| 1362 | priv->op_mode = NL80211_IFTYPE_UNSPECIFIED; |
| 1363 | } |
| 1364 | |
| 1365 | |
| 1366 | static int vnt_config(struct ieee80211_hw *hw, u32 changed) |
| 1367 | { |
| 1368 | struct vnt_private *priv = hw->priv; |
| 1369 | struct ieee80211_conf *conf = &hw->conf; |
| 1370 | u8 bb_type; |
| 1371 | |
| 1372 | if (changed & IEEE80211_CONF_CHANGE_PS) { |
| 1373 | if (conf->flags & IEEE80211_CONF_PS) |
| 1374 | PSvEnablePowerSaving(priv, conf->listen_interval); |
| 1375 | else |
| 1376 | PSvDisablePowerSaving(priv); |
| 1377 | } |
| 1378 | |
| 1379 | if ((changed & IEEE80211_CONF_CHANGE_CHANNEL) || |
| 1380 | (conf->flags & IEEE80211_CONF_OFFCHANNEL)) { |
| 1381 | set_channel(priv, conf->chandef.chan); |
| 1382 | |
| 1383 | if (conf->chandef.chan->band == IEEE80211_BAND_5GHZ) |
| 1384 | bb_type = BB_TYPE_11A; |
| 1385 | else |
| 1386 | bb_type = BB_TYPE_11G; |
| 1387 | |
| 1388 | if (priv->byBBType != bb_type) { |
| 1389 | priv->byBBType = bb_type; |
| 1390 | |
| 1391 | CARDbSetPhyParameter(priv, priv->byBBType); |
| 1392 | } |
| 1393 | } |
| 1394 | |
| 1395 | if (changed & IEEE80211_CONF_CHANGE_POWER) { |
| 1396 | if (priv->byBBType == BB_TYPE_11B) |
| 1397 | priv->wCurrentRate = RATE_1M; |
| 1398 | else |
| 1399 | priv->wCurrentRate = RATE_54M; |
| 1400 | |
| 1401 | RFbSetPower(priv, priv->wCurrentRate, |
| 1402 | conf->chandef.chan->hw_value); |
| 1403 | } |
| 1404 | |
| 1405 | return 0; |
| 1406 | } |
| 1407 | |
| 1408 | static void vnt_bss_info_changed(struct ieee80211_hw *hw, |
| 1409 | struct ieee80211_vif *vif, struct ieee80211_bss_conf *conf, |
| 1410 | u32 changed) |
| 1411 | { |
| 1412 | struct vnt_private *priv = hw->priv; |
| 1413 | |
| 1414 | priv->current_aid = conf->aid; |
| 1415 | |
| 1416 | if (changed & BSS_CHANGED_BSSID) |
| 1417 | MACvWriteBSSIDAddress(priv->PortOffset, (u8 *)conf->bssid); |
| 1418 | |
| 1419 | if (changed & BSS_CHANGED_BASIC_RATES) { |
| 1420 | priv->basic_rates = conf->basic_rates; |
| 1421 | |
| 1422 | CARDvUpdateBasicTopRate(priv); |
| 1423 | |
| 1424 | dev_dbg(&priv->pcid->dev, |
| 1425 | "basic rates %x\n", conf->basic_rates); |
| 1426 | } |
| 1427 | |
| 1428 | if (changed & BSS_CHANGED_ERP_PREAMBLE) { |
| 1429 | if (conf->use_short_preamble) { |
| 1430 | MACvEnableBarkerPreambleMd(priv->PortOffset); |
| 1431 | priv->byPreambleType = true; |
| 1432 | } else { |
| 1433 | MACvDisableBarkerPreambleMd(priv->PortOffset); |
| 1434 | priv->byPreambleType = false; |
| 1435 | } |
| 1436 | } |
| 1437 | |
| 1438 | if (changed & BSS_CHANGED_ERP_CTS_PROT) { |
| 1439 | if (conf->use_cts_prot) |
| 1440 | MACvEnableProtectMD(priv->PortOffset); |
| 1441 | else |
| 1442 | MACvDisableProtectMD(priv->PortOffset); |
| 1443 | } |
| 1444 | |
| 1445 | if (changed & BSS_CHANGED_ERP_SLOT) { |
| 1446 | if (conf->use_short_slot) |
| 1447 | priv->bShortSlotTime = true; |
| 1448 | else |
| 1449 | priv->bShortSlotTime = false; |
| 1450 | |
| 1451 | CARDbSetPhyParameter(priv, priv->byBBType); |
| 1452 | BBvSetVGAGainOffset(priv, priv->abyBBVGA[0]); |
| 1453 | } |
| 1454 | |
| 1455 | if (changed & BSS_CHANGED_TXPOWER) |
| 1456 | RFbSetPower(priv, priv->wCurrentRate, |
| 1457 | conf->chandef.chan->hw_value); |
| 1458 | |
| 1459 | if (changed & BSS_CHANGED_BEACON_ENABLED) { |
| 1460 | dev_dbg(&priv->pcid->dev, |
| 1461 | "Beacon enable %d\n", conf->enable_beacon); |
| 1462 | |
| 1463 | if (conf->enable_beacon) { |
| 1464 | vnt_beacon_enable(priv, vif, conf); |
| 1465 | |
| 1466 | MACvRegBitsOn(priv->PortOffset, MAC_REG_TCR, |
| 1467 | TCR_AUTOBCNTX); |
| 1468 | } else { |
| 1469 | MACvRegBitsOff(priv->PortOffset, MAC_REG_TCR, |
| 1470 | TCR_AUTOBCNTX); |
| 1471 | } |
| 1472 | } |
| 1473 | |
| 1474 | if (changed & BSS_CHANGED_ASSOC && priv->op_mode != NL80211_IFTYPE_AP) { |
| 1475 | if (conf->assoc) { |
| 1476 | CARDbUpdateTSF(priv, conf->beacon_rate->hw_value, |
| 1477 | conf->sync_device_ts, conf->sync_tsf); |
| 1478 | |
| 1479 | CARDbSetBeaconPeriod(priv, conf->beacon_int); |
| 1480 | |
| 1481 | CARDvSetFirstNextTBTT(priv, conf->beacon_int); |
| 1482 | } else { |
| 1483 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, |
| 1484 | TFTCTL_TSFCNTRST); |
| 1485 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, |
| 1486 | TFTCTL_TSFCNTREN); |
| 1487 | } |
| 1488 | } |
| 1489 | } |
| 1490 | |
| 1491 | static u64 vnt_prepare_multicast(struct ieee80211_hw *hw, |
| 1492 | struct netdev_hw_addr_list *mc_list) |
| 1493 | { |
| 1494 | struct vnt_private *priv = hw->priv; |
| 1495 | struct netdev_hw_addr *ha; |
| 1496 | u64 mc_filter = 0; |
| 1497 | u32 bit_nr = 0; |
| 1498 | |
| 1499 | netdev_hw_addr_list_for_each(ha, mc_list) { |
| 1500 | bit_nr = ether_crc(ETH_ALEN, ha->addr) >> 26; |
| 1501 | |
| 1502 | mc_filter |= 1ULL << (bit_nr & 0x3f); |
| 1503 | } |
| 1504 | |
| 1505 | priv->mc_list_count = mc_list->count; |
| 1506 | |
| 1507 | return mc_filter; |
| 1508 | } |
| 1509 | |
| 1510 | static void vnt_configure(struct ieee80211_hw *hw, |
| 1511 | unsigned int changed_flags, unsigned int *total_flags, u64 multicast) |
| 1512 | { |
| 1513 | struct vnt_private *priv = hw->priv; |
| 1514 | u8 rx_mode = 0; |
| 1515 | |
| 1516 | *total_flags &= FIF_ALLMULTI | FIF_OTHER_BSS | FIF_PROMISC_IN_BSS | |
| 1517 | FIF_BCN_PRBRESP_PROMISC; |
| 1518 | |
| 1519 | VNSvInPortB(priv->PortOffset + MAC_REG_RCR, &rx_mode); |
| 1520 | |
| 1521 | dev_dbg(&priv->pcid->dev, "rx mode in = %x\n", rx_mode); |
| 1522 | |
| 1523 | if (changed_flags & FIF_PROMISC_IN_BSS) { |
| 1524 | /* unconditionally log net taps */ |
| 1525 | if (*total_flags & FIF_PROMISC_IN_BSS) |
| 1526 | rx_mode |= RCR_UNICAST; |
| 1527 | else |
| 1528 | rx_mode &= ~RCR_UNICAST; |
| 1529 | } |
| 1530 | |
| 1531 | if (changed_flags & FIF_ALLMULTI) { |
| 1532 | if (*total_flags & FIF_ALLMULTI) { |
| 1533 | unsigned long flags; |
| 1534 | |
| 1535 | spin_lock_irqsave(&priv->lock, flags); |
| 1536 | |
| 1537 | if (priv->mc_list_count > 2) { |
| 1538 | MACvSelectPage1(priv->PortOffset); |
| 1539 | |
| 1540 | VNSvOutPortD(priv->PortOffset + |
| 1541 | MAC_REG_MAR0, 0xffffffff); |
| 1542 | VNSvOutPortD(priv->PortOffset + |
| 1543 | MAC_REG_MAR0 + 4, 0xffffffff); |
| 1544 | |
| 1545 | MACvSelectPage0(priv->PortOffset); |
| 1546 | } else { |
| 1547 | MACvSelectPage1(priv->PortOffset); |
| 1548 | |
| 1549 | VNSvOutPortD(priv->PortOffset + |
| 1550 | MAC_REG_MAR0, (u32)multicast); |
| 1551 | VNSvOutPortD(priv->PortOffset + |
| 1552 | MAC_REG_MAR0 + 4, |
| 1553 | (u32)(multicast >> 32)); |
| 1554 | |
| 1555 | MACvSelectPage0(priv->PortOffset); |
| 1556 | } |
| 1557 | |
| 1558 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1559 | |
| 1560 | rx_mode |= RCR_MULTICAST | RCR_BROADCAST; |
| 1561 | } else { |
| 1562 | rx_mode &= ~(RCR_MULTICAST | RCR_BROADCAST); |
| 1563 | } |
| 1564 | } |
| 1565 | |
| 1566 | if (changed_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) { |
| 1567 | rx_mode |= RCR_MULTICAST | RCR_BROADCAST; |
| 1568 | |
| 1569 | if (*total_flags & (FIF_OTHER_BSS | FIF_BCN_PRBRESP_PROMISC)) |
| 1570 | rx_mode &= ~RCR_BSSID; |
| 1571 | else |
| 1572 | rx_mode |= RCR_BSSID; |
| 1573 | } |
| 1574 | |
| 1575 | VNSvOutPortB(priv->PortOffset + MAC_REG_RCR, rx_mode); |
| 1576 | |
| 1577 | dev_dbg(&priv->pcid->dev, "rx mode out= %x\n", rx_mode); |
| 1578 | } |
| 1579 | |
| 1580 | static int vnt_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd, |
| 1581 | struct ieee80211_vif *vif, struct ieee80211_sta *sta, |
| 1582 | struct ieee80211_key_conf *key) |
| 1583 | { |
| 1584 | struct vnt_private *priv = hw->priv; |
| 1585 | |
| 1586 | switch (cmd) { |
| 1587 | case SET_KEY: |
| 1588 | if (vnt_set_keys(hw, sta, vif, key)) |
| 1589 | return -EOPNOTSUPP; |
| 1590 | break; |
| 1591 | case DISABLE_KEY: |
| 1592 | if (test_bit(key->hw_key_idx, &priv->key_entry_inuse)) |
| 1593 | clear_bit(key->hw_key_idx, &priv->key_entry_inuse); |
| 1594 | default: |
| 1595 | break; |
| 1596 | } |
| 1597 | |
| 1598 | return 0; |
| 1599 | } |
| 1600 | |
| 1601 | static u64 vnt_get_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1602 | { |
| 1603 | struct vnt_private *priv = hw->priv; |
| 1604 | u64 tsf; |
| 1605 | |
| 1606 | CARDbGetCurrentTSF(priv, &tsf); |
| 1607 | |
| 1608 | return tsf; |
| 1609 | } |
| 1610 | |
| 1611 | static void vnt_set_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif, |
| 1612 | u64 tsf) |
| 1613 | { |
| 1614 | struct vnt_private *priv = hw->priv; |
| 1615 | |
| 1616 | CARDvUpdateNextTBTT(priv, tsf, vif->bss_conf.beacon_int); |
| 1617 | } |
| 1618 | |
| 1619 | static void vnt_reset_tsf(struct ieee80211_hw *hw, struct ieee80211_vif *vif) |
| 1620 | { |
| 1621 | struct vnt_private *priv = hw->priv; |
| 1622 | |
| 1623 | /* reset TSF counter */ |
| 1624 | VNSvOutPortB(priv->PortOffset + MAC_REG_TFTCTL, TFTCTL_TSFCNTRST); |
| 1625 | } |
| 1626 | |
| 1627 | static const struct ieee80211_ops vnt_mac_ops = { |
| 1628 | .tx = vnt_tx_80211, |
| 1629 | .start = vnt_start, |
| 1630 | .stop = vnt_stop, |
| 1631 | .add_interface = vnt_add_interface, |
| 1632 | .remove_interface = vnt_remove_interface, |
| 1633 | .config = vnt_config, |
| 1634 | .bss_info_changed = vnt_bss_info_changed, |
| 1635 | .prepare_multicast = vnt_prepare_multicast, |
| 1636 | .configure_filter = vnt_configure, |
| 1637 | .set_key = vnt_set_key, |
| 1638 | .get_tsf = vnt_get_tsf, |
| 1639 | .set_tsf = vnt_set_tsf, |
| 1640 | .reset_tsf = vnt_reset_tsf, |
| 1641 | }; |
| 1642 | |
| 1643 | static int vnt_init(struct vnt_private *priv) |
| 1644 | { |
| 1645 | SET_IEEE80211_PERM_ADDR(priv->hw, priv->abyCurrentNetAddr); |
| 1646 | |
| 1647 | vnt_init_bands(priv); |
| 1648 | |
| 1649 | if (ieee80211_register_hw(priv->hw)) |
| 1650 | return -ENODEV; |
| 1651 | |
| 1652 | priv->mac_hw = true; |
| 1653 | |
| 1654 | CARDbRadioPowerOff(priv); |
| 1655 | |
| 1656 | return 0; |
| 1657 | } |
| 1658 | |
| 1659 | static int |
| 1660 | vt6655_probe(struct pci_dev *pcid, const struct pci_device_id *ent) |
| 1661 | { |
| 1662 | PCHIP_INFO pChip_info = (PCHIP_INFO)ent->driver_data; |
| 1663 | struct vnt_private *priv; |
| 1664 | struct ieee80211_hw *hw; |
| 1665 | struct wiphy *wiphy; |
| 1666 | int rc; |
| 1667 | |
| 1668 | dev_notice(&pcid->dev, |
| 1669 | "%s Ver. %s\n", DEVICE_FULL_DRV_NAM, DEVICE_VERSION); |
| 1670 | |
| 1671 | dev_notice(&pcid->dev, |
| 1672 | "Copyright (c) 2003 VIA Networking Technologies, Inc.\n"); |
| 1673 | |
| 1674 | hw = ieee80211_alloc_hw(sizeof(*priv), &vnt_mac_ops); |
| 1675 | if (!hw) { |
| 1676 | dev_err(&pcid->dev, "could not register ieee80211_hw\n"); |
| 1677 | return -ENOMEM; |
| 1678 | } |
| 1679 | |
| 1680 | priv = hw->priv; |
| 1681 | |
| 1682 | vt6655_init_info(pcid, &priv, pChip_info); |
| 1683 | |
| 1684 | priv->hw = hw; |
| 1685 | |
| 1686 | SET_IEEE80211_DEV(priv->hw, &pcid->dev); |
| 1687 | |
| 1688 | if (pci_enable_device(pcid)) { |
| 1689 | device_free_info(priv); |
| 1690 | return -ENODEV; |
| 1691 | } |
| 1692 | |
| 1693 | dev_dbg(&pcid->dev, |
| 1694 | "Before get pci_info memaddr is %x\n", priv->memaddr); |
| 1695 | |
| 1696 | if (!device_get_pci_info(priv, pcid)) { |
| 1697 | dev_err(&pcid->dev, ": Failed to find PCI device.\n"); |
| 1698 | device_free_info(priv); |
| 1699 | return -ENODEV; |
| 1700 | } |
| 1701 | |
| 1702 | #ifdef DEBUG |
| 1703 | dev_dbg(&pcid->dev, |
| 1704 | "after get pci_info memaddr is %x, io addr is %x,io_size is %d\n", |
| 1705 | priv->memaddr, priv->ioaddr, priv->io_size); |
| 1706 | { |
| 1707 | int i; |
| 1708 | u32 bar, len; |
| 1709 | u32 address[] = { |
| 1710 | PCI_BASE_ADDRESS_0, |
| 1711 | PCI_BASE_ADDRESS_1, |
| 1712 | PCI_BASE_ADDRESS_2, |
| 1713 | PCI_BASE_ADDRESS_3, |
| 1714 | PCI_BASE_ADDRESS_4, |
| 1715 | PCI_BASE_ADDRESS_5, |
| 1716 | 0}; |
| 1717 | for (i = 0; address[i]; i++) { |
| 1718 | pci_read_config_dword(pcid, address[i], &bar); |
| 1719 | |
| 1720 | dev_dbg(&pcid->dev, "bar %d is %x\n", i, bar); |
| 1721 | |
| 1722 | if (!bar) { |
| 1723 | dev_dbg(&pcid->dev, |
| 1724 | "bar %d not implemented\n", i); |
| 1725 | continue; |
| 1726 | } |
| 1727 | |
| 1728 | if (bar & PCI_BASE_ADDRESS_SPACE_IO) { |
| 1729 | /* This is IO */ |
| 1730 | |
| 1731 | len = bar & (PCI_BASE_ADDRESS_IO_MASK & 0xffff); |
| 1732 | len = len & ~(len - 1); |
| 1733 | |
| 1734 | dev_dbg(&pcid->dev, |
| 1735 | "IO space: len in IO %x, BAR %d\n", |
| 1736 | len, i); |
| 1737 | } else { |
| 1738 | len = bar & 0xfffffff0; |
| 1739 | len = ~len + 1; |
| 1740 | |
| 1741 | dev_dbg(&pcid->dev, |
| 1742 | "len in MEM %x, BAR %d\n", len, i); |
| 1743 | } |
| 1744 | } |
| 1745 | } |
| 1746 | #endif |
| 1747 | |
| 1748 | priv->PortOffset = ioremap(priv->memaddr & PCI_BASE_ADDRESS_MEM_MASK, |
| 1749 | priv->io_size); |
| 1750 | if (!priv->PortOffset) { |
| 1751 | dev_err(&pcid->dev, ": Failed to IO remapping ..\n"); |
| 1752 | device_free_info(priv); |
| 1753 | return -ENODEV; |
| 1754 | } |
| 1755 | |
| 1756 | rc = pci_request_regions(pcid, DEVICE_NAME); |
| 1757 | if (rc) { |
| 1758 | dev_err(&pcid->dev, ": Failed to find PCI device\n"); |
| 1759 | device_free_info(priv); |
| 1760 | return -ENODEV; |
| 1761 | } |
| 1762 | |
| 1763 | /* do reset */ |
| 1764 | if (!MACbSoftwareReset(priv->PortOffset)) { |
| 1765 | dev_err(&pcid->dev, ": Failed to access MAC hardware..\n"); |
| 1766 | device_free_info(priv); |
| 1767 | return -ENODEV; |
| 1768 | } |
| 1769 | /* initial to reload eeprom */ |
| 1770 | MACvInitialize(priv->PortOffset); |
| 1771 | MACvReadEtherAddress(priv->PortOffset, priv->abyCurrentNetAddr); |
| 1772 | |
| 1773 | /* Get RFType */ |
| 1774 | priv->byRFType = SROMbyReadEmbedded(priv->PortOffset, EEP_OFS_RFTYPE); |
| 1775 | priv->byRFType &= RF_MASK; |
| 1776 | |
| 1777 | dev_dbg(&pcid->dev, "RF Type = %x\n", priv->byRFType); |
| 1778 | |
| 1779 | device_get_options(priv); |
| 1780 | device_set_options(priv); |
| 1781 | /* Mask out the options cannot be set to the chip */ |
| 1782 | priv->sOpts.flags &= pChip_info->flags; |
| 1783 | |
| 1784 | /* Enable the chip specified capabilities */ |
| 1785 | priv->flags = priv->sOpts.flags | (pChip_info->flags & 0xff000000UL); |
| 1786 | |
| 1787 | wiphy = priv->hw->wiphy; |
| 1788 | |
| 1789 | wiphy->frag_threshold = FRAG_THRESH_DEF; |
| 1790 | wiphy->rts_threshold = RTS_THRESH_DEF; |
| 1791 | wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) | |
| 1792 | BIT(NL80211_IFTYPE_ADHOC) | BIT(NL80211_IFTYPE_AP); |
| 1793 | |
| 1794 | priv->hw->flags = IEEE80211_HW_RX_INCLUDES_FCS | |
| 1795 | IEEE80211_HW_REPORTS_TX_ACK_STATUS | |
| 1796 | IEEE80211_HW_SIGNAL_DBM | |
| 1797 | IEEE80211_HW_TIMING_BEACON_ONLY; |
| 1798 | |
| 1799 | priv->hw->max_signal = 100; |
| 1800 | |
| 1801 | if (vnt_init(priv)) |
| 1802 | return -ENODEV; |
| 1803 | |
| 1804 | device_print_info(priv); |
| 1805 | pci_set_drvdata(pcid, priv); |
| 1806 | |
| 1807 | return 0; |
| 1808 | } |
| 1809 | |
| 1810 | /*------------------------------------------------------------------*/ |
| 1811 | |
| 1812 | #ifdef CONFIG_PM |
| 1813 | static int vt6655_suspend(struct pci_dev *pcid, pm_message_t state) |
| 1814 | { |
| 1815 | struct vnt_private *priv = pci_get_drvdata(pcid); |
| 1816 | unsigned long flags; |
| 1817 | |
| 1818 | spin_lock_irqsave(&priv->lock, flags); |
| 1819 | |
| 1820 | pci_save_state(pcid); |
| 1821 | |
| 1822 | MACbShutdown(priv->PortOffset); |
| 1823 | |
| 1824 | pci_disable_device(pcid); |
| 1825 | pci_set_power_state(pcid, pci_choose_state(pcid, state)); |
| 1826 | |
| 1827 | spin_unlock_irqrestore(&priv->lock, flags); |
| 1828 | |
| 1829 | return 0; |
| 1830 | } |
| 1831 | |
| 1832 | static int vt6655_resume(struct pci_dev *pcid) |
| 1833 | { |
| 1834 | |
| 1835 | pci_set_power_state(pcid, PCI_D0); |
| 1836 | pci_enable_wake(pcid, PCI_D0, 0); |
| 1837 | pci_restore_state(pcid); |
| 1838 | |
| 1839 | return 0; |
| 1840 | } |
| 1841 | #endif |
| 1842 | |
| 1843 | MODULE_DEVICE_TABLE(pci, vt6655_pci_id_table); |
| 1844 | |
| 1845 | static struct pci_driver device_driver = { |
| 1846 | .name = DEVICE_NAME, |
| 1847 | .id_table = vt6655_pci_id_table, |
| 1848 | .probe = vt6655_probe, |
| 1849 | .remove = vt6655_remove, |
| 1850 | #ifdef CONFIG_PM |
| 1851 | .suspend = vt6655_suspend, |
| 1852 | .resume = vt6655_resume, |
| 1853 | #endif |
| 1854 | }; |
| 1855 | |
| 1856 | static int __init vt6655_init_module(void) |
| 1857 | { |
| 1858 | int ret; |
| 1859 | |
| 1860 | ret = pci_register_driver(&device_driver); |
| 1861 | #ifdef CONFIG_PM |
| 1862 | if (ret >= 0) |
| 1863 | register_reboot_notifier(&device_notifier); |
| 1864 | #endif |
| 1865 | |
| 1866 | return ret; |
| 1867 | } |
| 1868 | |
| 1869 | static void __exit vt6655_cleanup_module(void) |
| 1870 | { |
| 1871 | #ifdef CONFIG_PM |
| 1872 | unregister_reboot_notifier(&device_notifier); |
| 1873 | #endif |
| 1874 | pci_unregister_driver(&device_driver); |
| 1875 | } |
| 1876 | |
| 1877 | module_init(vt6655_init_module); |
| 1878 | module_exit(vt6655_cleanup_module); |
| 1879 | |
| 1880 | #ifdef CONFIG_PM |
| 1881 | static int |
| 1882 | device_notify_reboot(struct notifier_block *nb, unsigned long event, void *p) |
| 1883 | { |
| 1884 | struct pci_dev *pdev = NULL; |
| 1885 | |
| 1886 | switch (event) { |
| 1887 | case SYS_DOWN: |
| 1888 | case SYS_HALT: |
| 1889 | case SYS_POWER_OFF: |
| 1890 | for_each_pci_dev(pdev) { |
| 1891 | if (pci_dev_driver(pdev) == &device_driver) { |
| 1892 | if (pci_get_drvdata(pdev)) |
| 1893 | vt6655_suspend(pdev, PMSG_HIBERNATE); |
| 1894 | } |
| 1895 | } |
| 1896 | } |
| 1897 | return NOTIFY_DONE; |
| 1898 | } |
| 1899 | #endif |