LXR linux/drivers/net/wireless/ath/ath9k/pci.c

   1/*
   2 * Copyright (c) 2008-2011 Atheros Communications Inc.
   3 *
   4 * Permission to use, copy, modify, and/or distribute this software for any
   5 * purpose with or without fee is hereby granted, provided that the above
   6 * copyright notice and this permission notice appear in all copies.
   7 *
   8 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15 */
  16
  17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19#include <linux/nl80211.h>
  20#include <linux/pci.h>
  21#include <linux/pci-aspm.h>
  22#include <linux/module.h>
  23#include "ath9k.h"
  24
  25extern int ath9k_use_msi;
  26
  27static const struct pci_device_id ath_pci_id_table[] = {
  28        { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  29        { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  30        { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  31
  32#ifdef CONFIG_ATH9K_PCOEM
  33        /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  34        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  35                         0x0029,
  36                         PCI_VENDOR_ID_ATHEROS,
  37                         0x2096),
  38          .driver_data = ATH9K_PCI_LED_ACT_HI },
  39#endif
  40
  41        { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  42
  43#ifdef CONFIG_ATH9K_PCOEM
  44        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  45                         0x002A,
  46                         PCI_VENDOR_ID_AZWAVE,
  47                         0x1C71),
  48          .driver_data = ATH9K_PCI_D3_L1_WAR },
  49        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  50                         0x002A,
  51                         PCI_VENDOR_ID_FOXCONN,
  52                         0xE01F),
  53          .driver_data = ATH9K_PCI_D3_L1_WAR },
  54        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  55                         0x002A,
  56                         0x11AD, /* LITEON */
  57                         0x6632),
  58          .driver_data = ATH9K_PCI_D3_L1_WAR },
  59        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  60                         0x002A,
  61                         0x11AD, /* LITEON */
  62                         0x6642),
  63          .driver_data = ATH9K_PCI_D3_L1_WAR },
  64        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  65                         0x002A,
  66                         PCI_VENDOR_ID_QMI,
  67                         0x0306),
  68          .driver_data = ATH9K_PCI_D3_L1_WAR },
  69        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  70                         0x002A,
  71                         0x185F, /* WNC */
  72                         0x309D),
  73          .driver_data = ATH9K_PCI_D3_L1_WAR },
  74        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  75                         0x002A,
  76                         0x10CF, /* Fujitsu */
  77                         0x147C),
  78          .driver_data = ATH9K_PCI_D3_L1_WAR },
  79        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  80                         0x002A,
  81                         0x10CF, /* Fujitsu */
  82                         0x147D),
  83          .driver_data = ATH9K_PCI_D3_L1_WAR },
  84        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  85                         0x002A,
  86                         0x10CF, /* Fujitsu */
  87                         0x1536),
  88          .driver_data = ATH9K_PCI_D3_L1_WAR },
  89#endif
  90
  91        { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  92
  93#ifdef CONFIG_ATH9K_PCOEM
  94        /* AR9285 card for Asus */
  95        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  96                         0x002B,
  97                         PCI_VENDOR_ID_AZWAVE,
  98                         0x2C37),
  99          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 100#endif
 101
 102        { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 103        { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 104        { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 105        { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 106
 107        /* Killer Wireless (3x3) */
 108        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 109                         0x0030,
 110                         0x1A56,
 111                         0x2000),
 112          .driver_data = ATH9K_PCI_KILLER },
 113        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 114                         0x0030,
 115                         0x1A56,
 116                         0x2001),
 117          .driver_data = ATH9K_PCI_KILLER },
 118
 119        { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 120
 121#ifdef CONFIG_ATH9K_PCOEM
 122        /* PCI-E CUS198 */
 123        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 124                         0x0032,
 125                         PCI_VENDOR_ID_AZWAVE,
 126                         0x2086),
 127          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 128        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 129                         0x0032,
 130                         PCI_VENDOR_ID_AZWAVE,
 131                         0x1237),
 132          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 133        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 134                         0x0032,
 135                         PCI_VENDOR_ID_AZWAVE,
 136                         0x2126),
 137          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 138        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 139                         0x0032,
 140                         PCI_VENDOR_ID_AZWAVE,
 141                         0x126A),
 142          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 143
 144        /* PCI-E CUS230 */
 145        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 146                         0x0032,
 147                         PCI_VENDOR_ID_AZWAVE,
 148                         0x2152),
 149          .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 150        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 151                         0x0032,
 152                         PCI_VENDOR_ID_FOXCONN,
 153                         0xE075),
 154          .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 155
 156        /* WB225 */
 157        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 158                         0x0032,
 159                         PCI_VENDOR_ID_ATHEROS,
 160                         0x3119),
 161          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 162        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 163                         0x0032,
 164                         PCI_VENDOR_ID_ATHEROS,
 165                         0x3122),
 166          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 167        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 168                         0x0032,
 169                         0x185F, /* WNC */
 170                         0x3119),
 171          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 172        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 173                         0x0032,
 174                         0x185F, /* WNC */
 175                         0x3027),
 176          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 177        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 178                         0x0032,
 179                         PCI_VENDOR_ID_SAMSUNG,
 180                         0x4105),
 181          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 182        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 183                         0x0032,
 184                         PCI_VENDOR_ID_SAMSUNG,
 185                         0x4106),
 186          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 187        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 188                         0x0032,
 189                         PCI_VENDOR_ID_SAMSUNG,
 190                         0x410D),
 191          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 192        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 193                         0x0032,
 194                         PCI_VENDOR_ID_SAMSUNG,
 195                         0x410E),
 196          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 197        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 198                         0x0032,
 199                         PCI_VENDOR_ID_SAMSUNG,
 200                         0x410F),
 201          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 202        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 203                         0x0032,
 204                         PCI_VENDOR_ID_SAMSUNG,
 205                         0xC706),
 206          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 207        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 208                         0x0032,
 209                         PCI_VENDOR_ID_SAMSUNG,
 210                         0xC680),
 211          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 212        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 213                         0x0032,
 214                         PCI_VENDOR_ID_SAMSUNG,
 215                         0xC708),
 216          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 217        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 218                         0x0032,
 219                         PCI_VENDOR_ID_LENOVO,
 220                         0x3218),
 221          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 222        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 223                         0x0032,
 224                         PCI_VENDOR_ID_LENOVO,
 225                         0x3219),
 226          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 227
 228        /* AR9485 cards with PLL power-save disabled by default. */
 229        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 230                         0x0032,
 231                         PCI_VENDOR_ID_AZWAVE,
 232                         0x2C97),
 233          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 234        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 235                         0x0032,
 236                         PCI_VENDOR_ID_AZWAVE,
 237                         0x2100),
 238          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 239        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 240                         0x0032,
 241                         0x1C56, /* ASKEY */
 242                         0x4001),
 243          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 244        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 245                         0x0032,
 246                         0x11AD, /* LITEON */
 247                         0x6627),
 248          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 249        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 250                         0x0032,
 251                         0x11AD, /* LITEON */
 252                         0x6628),
 253          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 254        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 255                         0x0032,
 256                         PCI_VENDOR_ID_FOXCONN,
 257                         0xE04E),
 258          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 259        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 260                         0x0032,
 261                         PCI_VENDOR_ID_FOXCONN,
 262                         0xE04F),
 263          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 264        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 265                         0x0032,
 266                         0x144F, /* ASKEY */
 267                         0x7197),
 268          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 269        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 270                         0x0032,
 271                         0x1B9A, /* XAVI */
 272                         0x2000),
 273          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 274        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 275                         0x0032,
 276                         0x1B9A, /* XAVI */
 277                         0x2001),
 278          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 279        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 280                         0x0032,
 281                         PCI_VENDOR_ID_AZWAVE,
 282                         0x1186),
 283          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 284        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 285                         0x0032,
 286                         PCI_VENDOR_ID_AZWAVE,
 287                         0x1F86),
 288          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 289        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 290                         0x0032,
 291                         PCI_VENDOR_ID_AZWAVE,
 292                         0x1195),
 293          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 294        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 295                         0x0032,
 296                         PCI_VENDOR_ID_AZWAVE,
 297                         0x1F95),
 298          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 299        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 300                         0x0032,
 301                         0x1B9A, /* XAVI */
 302                         0x1C00),
 303          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 304        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 305                         0x0032,
 306                         0x1B9A, /* XAVI */
 307                         0x1C01),
 308          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 309        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 310                         0x0032,
 311                         PCI_VENDOR_ID_ASUSTEK,
 312                         0x850D),
 313          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 314#endif
 315
 316        { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 317        { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 318
 319#ifdef CONFIG_ATH9K_PCOEM
 320        /* PCI-E CUS217 */
 321        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 322                         0x0034,
 323                         PCI_VENDOR_ID_AZWAVE,
 324                         0x2116),
 325          .driver_data = ATH9K_PCI_CUS217 },
 326        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 327                         0x0034,
 328                         0x11AD, /* LITEON */
 329                         0x6661),
 330          .driver_data = ATH9K_PCI_CUS217 },
 331
 332        /* AR9462 with WoW support */
 333        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 334                         0x0034,
 335                         PCI_VENDOR_ID_ATHEROS,
 336                         0x3117),
 337          .driver_data = ATH9K_PCI_WOW },
 338        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 339                         0x0034,
 340                         PCI_VENDOR_ID_LENOVO,
 341                         0x3214),
 342          .driver_data = ATH9K_PCI_WOW },
 343        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 344                         0x0034,
 345                         PCI_VENDOR_ID_ATTANSIC,
 346                         0x0091),
 347          .driver_data = ATH9K_PCI_WOW },
 348        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 349                         0x0034,
 350                         PCI_VENDOR_ID_AZWAVE,
 351                         0x2110),
 352          .driver_data = ATH9K_PCI_WOW },
 353        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 354                         0x0034,
 355                         PCI_VENDOR_ID_ASUSTEK,
 356                         0x850E),
 357          .driver_data = ATH9K_PCI_WOW },
 358        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 359                         0x0034,
 360                         0x11AD, /* LITEON */
 361                         0x6631),
 362          .driver_data = ATH9K_PCI_WOW },
 363        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 364                         0x0034,
 365                         0x11AD, /* LITEON */
 366                         0x6641),
 367          .driver_data = ATH9K_PCI_WOW },
 368        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 369                         0x0034,
 370                         PCI_VENDOR_ID_HP,
 371                         0x1864),
 372          .driver_data = ATH9K_PCI_WOW },
 373        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 374                         0x0034,
 375                         0x14CD, /* USI */
 376                         0x0063),
 377          .driver_data = ATH9K_PCI_WOW },
 378        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 379                         0x0034,
 380                         0x14CD, /* USI */
 381                         0x0064),
 382          .driver_data = ATH9K_PCI_WOW },
 383        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 384                         0x0034,
 385                         0x10CF, /* Fujitsu */
 386                         0x1783),
 387          .driver_data = ATH9K_PCI_WOW },
 388        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 389                         0x0034,
 390                         PCI_VENDOR_ID_DELL,
 391                         0x020B),
 392          .driver_data = ATH9K_PCI_WOW },
 393        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 394                         0x0034,
 395                         PCI_VENDOR_ID_DELL,
 396                         0x0300),
 397          .driver_data = ATH9K_PCI_WOW },
 398
 399        /* Killer Wireless (2x2) */
 400        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 401                         0x0030,
 402                         0x1A56,
 403                         0x2003),
 404          .driver_data = ATH9K_PCI_KILLER },
 405
 406        { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 407        { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 408
 409        /* CUS252 */
 410        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 411                         0x0036,
 412                         PCI_VENDOR_ID_ATHEROS,
 413                         0x3028),
 414          .driver_data = ATH9K_PCI_CUS252 |
 415                         ATH9K_PCI_AR9565_2ANT |
 416                         ATH9K_PCI_BT_ANT_DIV },
 417        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 418                         0x0036,
 419                         PCI_VENDOR_ID_AZWAVE,
 420                         0x2176),
 421          .driver_data = ATH9K_PCI_CUS252 |
 422                         ATH9K_PCI_AR9565_2ANT |
 423                         ATH9K_PCI_BT_ANT_DIV },
 424
 425        /* WB335 1-ANT */
 426        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 427                         0x0036,
 428                         PCI_VENDOR_ID_FOXCONN,
 429                         0xE068),
 430          .driver_data = ATH9K_PCI_AR9565_1ANT },
 431        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 432                         0x0036,
 433                         0x185F, /* WNC */
 434                         0xA119),
 435          .driver_data = ATH9K_PCI_AR9565_1ANT },
 436        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 437                         0x0036,
 438                         0x11AD, /* LITEON */
 439                         0x0632),
 440          .driver_data = ATH9K_PCI_AR9565_1ANT },
 441        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 442                         0x0036,
 443                         0x11AD, /* LITEON */
 444                         0x06B2),
 445          .driver_data = ATH9K_PCI_AR9565_1ANT },
 446        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 447                         0x0036,
 448                         0x11AD, /* LITEON */
 449                         0x0842),
 450          .driver_data = ATH9K_PCI_AR9565_1ANT },
 451        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 452                         0x0036,
 453                         0x11AD, /* LITEON */
 454                         0x1842),
 455          .driver_data = ATH9K_PCI_AR9565_1ANT },
 456        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 457                         0x0036,
 458                         0x11AD, /* LITEON */
 459                         0x6671),
 460          .driver_data = ATH9K_PCI_AR9565_1ANT },
 461        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 462                         0x0036,
 463                         0x1B9A, /* XAVI */
 464                         0x2811),
 465          .driver_data = ATH9K_PCI_AR9565_1ANT },
 466        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 467                         0x0036,
 468                         0x1B9A, /* XAVI */
 469                         0x2812),
 470          .driver_data = ATH9K_PCI_AR9565_1ANT },
 471        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 472                         0x0036,
 473                         0x1B9A, /* XAVI */
 474                         0x28A1),
 475          .driver_data = ATH9K_PCI_AR9565_1ANT },
 476        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 477                         0x0036,
 478                         0x1B9A, /* XAVI */
 479                         0x28A3),
 480          .driver_data = ATH9K_PCI_AR9565_1ANT },
 481        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 482                         0x0036,
 483                         PCI_VENDOR_ID_AZWAVE,
 484                         0x218A),
 485          .driver_data = ATH9K_PCI_AR9565_1ANT },
 486        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 487                         0x0036,
 488                         PCI_VENDOR_ID_AZWAVE,
 489                         0x2F8A),
 490          .driver_data = ATH9K_PCI_AR9565_1ANT },
 491
 492        /* WB335 1-ANT / Antenna Diversity */
 493        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 494                         0x0036,
 495                         PCI_VENDOR_ID_ATHEROS,
 496                         0x3025),
 497          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 498        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 499                         0x0036,
 500                         PCI_VENDOR_ID_ATHEROS,
 501                         0x3026),
 502          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 503        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 504                         0x0036,
 505                         PCI_VENDOR_ID_ATHEROS,
 506                         0x302B),
 507          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 508        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 509                         0x0036,
 510                         PCI_VENDOR_ID_FOXCONN,
 511                         0xE069),
 512          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 513        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 514                         0x0036,
 515                         0x185F, /* WNC */
 516                         0x3028),
 517          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 518        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 519                         0x0036,
 520                         0x11AD, /* LITEON */
 521                         0x0622),
 522          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 523        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 524                         0x0036,
 525                         0x11AD, /* LITEON */
 526                         0x0672),
 527          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 528        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 529                         0x0036,
 530                         0x11AD, /* LITEON */
 531                         0x0662),
 532          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 533        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 534                         0x0036,
 535                         0x11AD, /* LITEON */
 536                         0x06A2),
 537          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 538        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 539                         0x0036,
 540                         0x11AD, /* LITEON */
 541                         0x0682),
 542          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 543        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 544                         0x0036,
 545                         PCI_VENDOR_ID_AZWAVE,
 546                         0x213A),
 547          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 548        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 549                         0x0036,
 550                         PCI_VENDOR_ID_AZWAVE,
 551                         0x213C),
 552          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 553        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 554                         0x0036,
 555                         PCI_VENDOR_ID_HP,
 556                         0x18E3),
 557          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 558        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 559                         0x0036,
 560                         PCI_VENDOR_ID_HP,
 561                         0x217F),
 562          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 563        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 564                         0x0036,
 565                         PCI_VENDOR_ID_HP,
 566                         0x2005),
 567          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 568        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 569                         0x0036,
 570                         PCI_VENDOR_ID_DELL,
 571                         0x020C),
 572          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 573
 574        /* WB335 2-ANT / Antenna-Diversity */
 575        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 576                         0x0036,
 577                         PCI_VENDOR_ID_SAMSUNG,
 578                         0x411A),
 579          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 580        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 581                         0x0036,
 582                         PCI_VENDOR_ID_SAMSUNG,
 583                         0x411B),
 584          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 585        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 586                         0x0036,
 587                         PCI_VENDOR_ID_SAMSUNG,
 588                         0x411C),
 589          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 590        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 591                         0x0036,
 592                         PCI_VENDOR_ID_SAMSUNG,
 593                         0x411D),
 594          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 595        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 596                         0x0036,
 597                         PCI_VENDOR_ID_SAMSUNG,
 598                         0x411E),
 599          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 600        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 601                         0x0036,
 602                         PCI_VENDOR_ID_SAMSUNG,
 603                         0x4129),
 604          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 605        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 606                         0x0036,
 607                         PCI_VENDOR_ID_SAMSUNG,
 608                         0x412A),
 609          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 610        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 611                         0x0036,
 612                         PCI_VENDOR_ID_ATHEROS,
 613                         0x3027),
 614          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 615        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 616                         0x0036,
 617                         PCI_VENDOR_ID_ATHEROS,
 618                         0x302C),
 619          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 620        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 621                         0x0036,
 622                         0x11AD, /* LITEON */
 623                         0x0642),
 624          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 625        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 626                         0x0036,
 627                         0x11AD, /* LITEON */
 628                         0x0652),
 629          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 630        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 631                         0x0036,
 632                         0x11AD, /* LITEON */
 633                         0x0612),
 634          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 635        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 636                         0x0036,
 637                         0x11AD, /* LITEON */
 638                         0x0832),
 639          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 640        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 641                         0x0036,
 642                         0x11AD, /* LITEON */
 643                         0x1832),
 644          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 645        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 646                         0x0036,
 647                         0x11AD, /* LITEON */
 648                         0x0692),
 649          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 650        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 651                         0x0036,
 652                         0x11AD, /* LITEON */
 653                         0x0803),
 654          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 655        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 656                         0x0036,
 657                         0x11AD, /* LITEON */
 658                         0x0813),
 659          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 660        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 661                         0x0036,
 662                         PCI_VENDOR_ID_AZWAVE,
 663                         0x2130),
 664          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 665        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 666                         0x0036,
 667                         PCI_VENDOR_ID_AZWAVE,
 668                         0x213B),
 669          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 670        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 671                         0x0036,
 672                         PCI_VENDOR_ID_AZWAVE,
 673                         0x2182),
 674          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 675        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 676                         0x0036,
 677                         PCI_VENDOR_ID_AZWAVE,
 678                         0x218B),
 679          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 680        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 681                         0x0036,
 682                         PCI_VENDOR_ID_AZWAVE,
 683                         0x218C),
 684          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 685        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 686                         0x0036,
 687                         PCI_VENDOR_ID_AZWAVE,
 688                         0x2F82),
 689          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 690        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 691                         0x0036,
 692                         0x144F, /* ASKEY */
 693                         0x7202),
 694          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 695        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 696                         0x0036,
 697                         0x1B9A, /* XAVI */
 698                         0x2810),
 699          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 700        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 701                         0x0036,
 702                         0x1B9A, /* XAVI */
 703                         0x2813),
 704          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 705        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 706                         0x0036,
 707                         0x1B9A, /* XAVI */
 708                         0x28A2),
 709          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 710        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 711                         0x0036,
 712                         0x1B9A, /* XAVI */
 713                         0x28A4),
 714          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 715        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 716                         0x0036,
 717                         0x185F, /* WNC */
 718                         0x3027),
 719          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 720        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 721                         0x0036,
 722                         0x185F, /* WNC */
 723                         0xA120),
 724          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 725        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 726                         0x0036,
 727                         PCI_VENDOR_ID_FOXCONN,
 728                         0xE07F),
 729          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 730        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 731                         0x0036,
 732                         PCI_VENDOR_ID_FOXCONN,
 733                         0xE08F),
 734          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 735        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 736                         0x0036,
 737                         PCI_VENDOR_ID_FOXCONN,
 738                         0xE081),
 739          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 740        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 741                         0x0036,
 742                         PCI_VENDOR_ID_FOXCONN,
 743                         0xE091),
 744          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 745        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 746                         0x0036,
 747                         PCI_VENDOR_ID_FOXCONN,
 748                         0xE099),
 749          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 750        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 751                         0x0036,
 752                         PCI_VENDOR_ID_LENOVO,
 753                         0x3026),
 754          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 755        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 756                         0x0036,
 757                         PCI_VENDOR_ID_LENOVO,
 758                         0x4026),
 759          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 760        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 761                         0x0036,
 762                         PCI_VENDOR_ID_ASUSTEK,
 763                         0x85F2),
 764          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 765        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 766                         0x0036,
 767                         PCI_VENDOR_ID_DELL,
 768                         0x020E),
 769          .driver_data = ATH9K_PCI_AR9565_2ANT |
 770                         ATH9K_PCI_BT_ANT_DIV |
 771                         ATH9K_PCI_LED_ACT_HI},
 772
 773        /* PCI-E AR9565 (WB335) */
 774        { PCI_VDEVICE(ATHEROS, 0x0036),
 775          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 776#endif
 777
 778        { 0 }
 779};
 780
 781
 782/* return bus cachesize in 4B word units */
 783static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 784{
 785        struct ath_softc *sc = (struct ath_softc *) common->priv;
 786        u8 u8tmp;
 787
 788        pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 789        *csz = (int)u8tmp;
 790
 791        /*
 792         * This check was put in to avoid "unpleasant" consequences if
 793         * the bootrom has not fully initialized all PCI devices.
 794         * Sometimes the cache line size register is not set
 795         */
 796
 797        if (*csz == 0)
 798                *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 799}
 800
 801static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 802{
 803        struct ath_hw *ah = (struct ath_hw *) common->ah;
 804
 805        common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 806
 807        if (!ath9k_hw_wait(ah,
 808                                AR_EEPROM_STATUS_DATA,
 809                                AR_EEPROM_STATUS_DATA_BUSY |
 810                                AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 811                                AH_WAIT_TIMEOUT)) {
 812                return false;
 813        }
 814
 815        *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 816                        AR_EEPROM_STATUS_DATA_VAL);
 817
 818        return true;
 819}
 820
 821/* Need to be called after we discover btcoex capabilities */
 822static void ath_pci_aspm_init(struct ath_common *common)
 823{
 824        struct ath_softc *sc = (struct ath_softc *) common->priv;
 825        struct ath_hw *ah = sc->sc_ah;
 826        struct pci_dev *pdev = to_pci_dev(sc->dev);
 827        struct pci_dev *parent;
 828        u16 aspm;
 829
 830        if (!ah->is_pciexpress)
 831                return;
 832
 833        parent = pdev->bus->self;
 834        if (!parent)
 835                return;
 836
 837        if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 838            (AR_SREV_9285(ah))) {
 839                /* Bluetooth coexistence requires disabling ASPM. */
 840                pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 841                        PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 842
 843                /*
 844                 * Both upstream and downstream PCIe components should
 845                 * have the same ASPM settings.
 846                 */
 847                pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 848                        PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 849
 850                ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 851                return;
 852        }
 853
 854        /*
 855         * 0x70c - Ack Frequency Register.
 856         *
 857         * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 858         *
 859         * 000 : 1 us
 860         * 001 : 2 us
 861         * 010 : 4 us
 862         * 011 : 8 us
 863         * 100 : 16 us
 864         * 101 : 32 us
 865         * 110/111 : 64 us
 866         */
 867        if (AR_SREV_9462(ah))
 868                pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 869
 870        pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 871        if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
 872                ah->aspm_enabled = true;
 873                /* Initialize PCIe PM and SERDES registers. */
 874                ath9k_hw_configpcipowersave(ah, false);
 875                ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 876        }
 877}
 878
 879static const struct ath_bus_ops ath_pci_bus_ops = {
 880        .ath_bus_type = ATH_PCI,
 881        .read_cachesize = ath_pci_read_cachesize,
 882        .eeprom_read = ath_pci_eeprom_read,
 883        .aspm_init = ath_pci_aspm_init,
 884};
 885
 886static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 887{
 888        struct ath_softc *sc;
 889        struct ieee80211_hw *hw;
 890        u8 csz;
 891        u32 val;
 892        int ret = 0;
 893        char hw_name[64];
 894        int msi_enabled = 0;
 895
 896        if (pcim_enable_device(pdev))
 897                return -EIO;
 898
 899        ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 900        if (ret) {
 901                pr_err("32-bit DMA not available\n");
 902                return ret;
 903        }
 904
 905        ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 906        if (ret) {
 907                pr_err("32-bit DMA consistent DMA enable failed\n");
 908                return ret;
 909        }
 910
 911        /*
 912         * Cache line size is used to size and align various
 913         * structures used to communicate with the hardware.
 914         */
 915        pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 916        if (csz == 0) {
 917                /*
 918                 * Linux 2.4.18 (at least) writes the cache line size
 919                 * register as a 16-bit wide register which is wrong.
 920                 * We must have this setup properly for rx buffer
 921                 * DMA to work so force a reasonable value here if it
 922                 * comes up zero.
 923                 */
 924                csz = L1_CACHE_BYTES / sizeof(u32);
 925                pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 926        }
 927        /*
 928         * The default setting of latency timer yields poor results,
 929         * set it to the value used by other systems. It may be worth
 930         * tweaking this setting more.
 931         */
 932        pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 933
 934        pci_set_master(pdev);
 935
 936        /*
 937         * Disable the RETRY_TIMEOUT register (0x41) to keep
 938         * PCI Tx retries from interfering with C3 CPU state.
 939         */
 940        pci_read_config_dword(pdev, 0x40, &val);
 941        if ((val & 0x0000ff00) != 0)
 942                pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 943
 944        ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 945        if (ret) {
 946                dev_err(&pdev->dev, "PCI memory region reserve error\n");
 947                return -ENODEV;
 948        }
 949
 950        ath9k_fill_chanctx_ops();
 951        hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 952        if (!hw) {
 953                dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 954                return -ENOMEM;
 955        }
 956
 957        SET_IEEE80211_DEV(hw, &pdev->dev);
 958        pci_set_drvdata(pdev, hw);
 959
 960        sc = hw->priv;
 961        sc->hw = hw;
 962        sc->dev = &pdev->dev;
 963        sc->mem = pcim_iomap_table(pdev)[0];
 964        sc->driver_data = id->driver_data;
 965
 966        if (ath9k_use_msi) {
 967                if (pci_enable_msi(pdev) == 0) {
 968                        msi_enabled = 1;
 969                        dev_err(&pdev->dev, "Using MSI\n");
 970                } else {
 971                        dev_err(&pdev->dev, "Using INTx\n");
 972                }
 973        }
 974
 975        if (!msi_enabled)
 976                ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 977        else
 978                ret = request_irq(pdev->irq, ath_isr, 0, "ath9k", sc);
 979
 980        if (ret) {
 981                dev_err(&pdev->dev, "request_irq failed\n");
 982                goto err_irq;
 983        }
 984
 985        sc->irq = pdev->irq;
 986
 987        ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 988        if (ret) {
 989                dev_err(&pdev->dev, "Failed to initialize device\n");
 990                goto err_init;
 991        }
 992
 993        sc->sc_ah->msi_enabled = msi_enabled;
 994        sc->sc_ah->msi_reg = 0;
 995
 996        ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 997        wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
 998                   hw_name, (unsigned long)sc->mem, pdev->irq);
 999
1000        return 0;

1001
1002err_init:
1003        free_irq(sc->irq, sc);
1004err_irq:
1005        ieee80211_free_hw(hw);
1006        return ret;
1007}
1008
1009static void ath_pci_remove(struct pci_dev *pdev)
1010{
1011        struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1012        struct ath_softc *sc = hw->priv;
1013
1014        if (!is_ath9k_unloaded)
1015                sc->sc_ah->ah_flags |= AH_UNPLUGGED;
1016        ath9k_deinit_device(sc);
1017        free_irq(sc->irq, sc);
1018        ieee80211_free_hw(sc->hw);
1019}
1020
1021#ifdef CONFIG_PM_SLEEP
1022
1023static int ath_pci_suspend(struct device *device)
1024{
1025        struct pci_dev *pdev = to_pci_dev(device);
1026        struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1027        struct ath_softc *sc = hw->priv;
1028        struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1029
1030        if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1031                dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1032                return 0;
1033        }
1034
1035        /* The device has to be moved to FULLSLEEP forcibly.
1036         * Otherwise the chip never moved to full sleep,
1037         * when no interface is up.
1038         */
1039        ath9k_stop_btcoex(sc);
1040        ath9k_hw_disable(sc->sc_ah);
1041        del_timer_sync(&sc->sleep_timer);
1042        ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1043
1044        return 0;
1045}
1046
1047static int ath_pci_resume(struct device *device)
1048{
1049        struct pci_dev *pdev = to_pci_dev(device);
1050        struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1051        struct ath_softc *sc = hw->priv;
1052        struct ath_hw *ah = sc->sc_ah;
1053        struct ath_common *common = ath9k_hw_common(ah);
1054        u32 val;
1055
1056        /*
1057         * Suspend/Resume resets the PCI configuration space, so we have to
1058         * re-disable the RETRY_TIMEOUT register (0x41) to keep
1059         * PCI Tx retries from interfering with C3 CPU state
1060         */
1061        pci_read_config_dword(pdev, 0x40, &val);
1062        if ((val & 0x0000ff00) != 0)
1063                pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1064
1065        ath_pci_aspm_init(common);
1066        ah->reset_power_on = false;
1067
1068        return 0;
1069}
1070
1071static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1072
1073#define ATH9K_PM_OPS    (&ath9k_pm_ops)
1074
1075#else /* !CONFIG_PM_SLEEP */
1076
1077#define ATH9K_PM_OPS    NULL
1078
1079#endif /* !CONFIG_PM_SLEEP */
1080
1081
1082MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1083
1084static struct pci_driver ath_pci_driver = {
1085        .name       = "ath9k",
1086        .id_table   = ath_pci_id_table,
1087        .probe      = ath_pci_probe,
1088        .remove     = ath_pci_remove,
1089        .driver.pm  = ATH9K_PM_OPS,
1090};
1091
1092int ath_pci_init(void)
1093{
1094        return pci_register_driver(&ath_pci_driver);
1095}
1096
1097void ath_pci_exit(void)
1098{
1099        pci_unregister_driver(&ath_pci_driver);
1100}
1101