linux/drivers/net/wireless/ath/ath9k/pci.c
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   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
  25static const struct pci_device_id ath_pci_id_table[] = {
  26        { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  27        { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  28        { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  29
  30#ifdef CONFIG_ATH9K_PCOEM
  31        /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  32        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  33                         0x0029,
  34                         PCI_VENDOR_ID_ATHEROS,
  35                         0x2096),
  36          .driver_data = ATH9K_PCI_LED_ACT_HI },
  37#endif
  38
  39        { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  40
  41#ifdef CONFIG_ATH9K_PCOEM
  42        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  43                         0x002A,
  44                         PCI_VENDOR_ID_AZWAVE,
  45                         0x1C71),
  46          .driver_data = ATH9K_PCI_D3_L1_WAR },
  47        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  48                         0x002A,
  49                         PCI_VENDOR_ID_FOXCONN,
  50                         0xE01F),
  51          .driver_data = ATH9K_PCI_D3_L1_WAR },
  52        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  53                         0x002A,
  54                         0x11AD, /* LITEON */
  55                         0x6632),
  56          .driver_data = ATH9K_PCI_D3_L1_WAR },
  57        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  58                         0x002A,
  59                         0x11AD, /* LITEON */
  60                         0x6642),
  61          .driver_data = ATH9K_PCI_D3_L1_WAR },
  62        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  63                         0x002A,
  64                         PCI_VENDOR_ID_QMI,
  65                         0x0306),
  66          .driver_data = ATH9K_PCI_D3_L1_WAR },
  67        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  68                         0x002A,
  69                         0x185F, /* WNC */
  70                         0x309D),
  71          .driver_data = ATH9K_PCI_D3_L1_WAR },
  72        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  73                         0x002A,
  74                         0x10CF, /* Fujitsu */
  75                         0x147C),
  76          .driver_data = ATH9K_PCI_D3_L1_WAR },
  77        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  78                         0x002A,
  79                         0x10CF, /* Fujitsu */
  80                         0x147D),
  81          .driver_data = ATH9K_PCI_D3_L1_WAR },
  82        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  83                         0x002A,
  84                         0x10CF, /* Fujitsu */
  85                         0x1536),
  86          .driver_data = ATH9K_PCI_D3_L1_WAR },
  87#endif
  88
  89        { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  90
  91#ifdef CONFIG_ATH9K_PCOEM
  92        /* AR9285 card for Asus */
  93        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  94                         0x002B,
  95                         PCI_VENDOR_ID_AZWAVE,
  96                         0x2C37),
  97          .driver_data = ATH9K_PCI_BT_ANT_DIV },
  98#endif
  99
 100        { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 101        { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 102        { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 103        { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 104
 105        /* Killer Wireless (3x3) */
 106        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 107                         0x0030,
 108                         0x1A56,
 109                         0x2000),
 110          .driver_data = ATH9K_PCI_KILLER },
 111        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 112                         0x0030,
 113                         0x1A56,
 114                         0x2001),
 115          .driver_data = ATH9K_PCI_KILLER },
 116
 117        { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 118
 119#ifdef CONFIG_ATH9K_PCOEM
 120        /* PCI-E CUS198 */
 121        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 122                         0x0032,
 123                         PCI_VENDOR_ID_AZWAVE,
 124                         0x2086),
 125          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 126        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 127                         0x0032,
 128                         PCI_VENDOR_ID_AZWAVE,
 129                         0x1237),
 130          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 131        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 132                         0x0032,
 133                         PCI_VENDOR_ID_AZWAVE,
 134                         0x2126),
 135          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 136        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 137                         0x0032,
 138                         PCI_VENDOR_ID_AZWAVE,
 139                         0x126A),
 140          .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 141
 142        /* PCI-E CUS230 */
 143        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 144                         0x0032,
 145                         PCI_VENDOR_ID_AZWAVE,
 146                         0x2152),
 147          .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 148        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 149                         0x0032,
 150                         PCI_VENDOR_ID_FOXCONN,
 151                         0xE075),
 152          .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 153
 154        /* WB225 */
 155        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 156                         0x0032,
 157                         PCI_VENDOR_ID_ATHEROS,
 158                         0x3119),
 159          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 160        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 161                         0x0032,
 162                         PCI_VENDOR_ID_ATHEROS,
 163                         0x3122),
 164          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 165        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 166                         0x0032,
 167                         0x185F, /* WNC */
 168                         0x3119),
 169          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 170        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 171                         0x0032,
 172                         0x185F, /* WNC */
 173                         0x3027),
 174          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 175        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 176                         0x0032,
 177                         PCI_VENDOR_ID_SAMSUNG,
 178                         0x4105),
 179          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 180        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 181                         0x0032,
 182                         PCI_VENDOR_ID_SAMSUNG,
 183                         0x4106),
 184          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 185        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 186                         0x0032,
 187                         PCI_VENDOR_ID_SAMSUNG,
 188                         0x410D),
 189          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 190        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 191                         0x0032,
 192                         PCI_VENDOR_ID_SAMSUNG,
 193                         0x410E),
 194          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 195        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 196                         0x0032,
 197                         PCI_VENDOR_ID_SAMSUNG,
 198                         0x410F),
 199          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 200        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 201                         0x0032,
 202                         PCI_VENDOR_ID_SAMSUNG,
 203                         0xC706),
 204          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 205        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 206                         0x0032,
 207                         PCI_VENDOR_ID_SAMSUNG,
 208                         0xC680),
 209          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 210        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 211                         0x0032,
 212                         PCI_VENDOR_ID_SAMSUNG,
 213                         0xC708),
 214          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 215        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 216                         0x0032,
 217                         PCI_VENDOR_ID_LENOVO,
 218                         0x3218),
 219          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 220        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 221                         0x0032,
 222                         PCI_VENDOR_ID_LENOVO,
 223                         0x3219),
 224          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 225
 226        /* AR9485 cards with PLL power-save disabled by default. */
 227        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 228                         0x0032,
 229                         PCI_VENDOR_ID_AZWAVE,
 230                         0x2C97),
 231          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 232        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 233                         0x0032,
 234                         PCI_VENDOR_ID_AZWAVE,
 235                         0x2100),
 236          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 237        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 238                         0x0032,
 239                         0x1C56, /* ASKEY */
 240                         0x4001),
 241          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 242        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 243                         0x0032,
 244                         0x11AD, /* LITEON */
 245                         0x6627),
 246          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 247        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 248                         0x0032,
 249                         0x11AD, /* LITEON */
 250                         0x6628),
 251          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 252        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 253                         0x0032,
 254                         PCI_VENDOR_ID_FOXCONN,
 255                         0xE04E),
 256          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 257        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 258                         0x0032,
 259                         PCI_VENDOR_ID_FOXCONN,
 260                         0xE04F),
 261          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 262        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 263                         0x0032,
 264                         0x144F, /* ASKEY */
 265                         0x7197),
 266          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 267        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 268                         0x0032,
 269                         0x1B9A, /* XAVI */
 270                         0x2000),
 271          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 272        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 273                         0x0032,
 274                         0x1B9A, /* XAVI */
 275                         0x2001),
 276          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 277        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 278                         0x0032,
 279                         PCI_VENDOR_ID_AZWAVE,
 280                         0x1186),
 281          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 282        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 283                         0x0032,
 284                         PCI_VENDOR_ID_AZWAVE,
 285                         0x1F86),
 286          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 287        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 288                         0x0032,
 289                         PCI_VENDOR_ID_AZWAVE,
 290                         0x1195),
 291          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 292        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 293                         0x0032,
 294                         PCI_VENDOR_ID_AZWAVE,
 295                         0x1F95),
 296          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 297        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 298                         0x0032,
 299                         0x1B9A, /* XAVI */
 300                         0x1C00),
 301          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 302        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 303                         0x0032,
 304                         0x1B9A, /* XAVI */
 305                         0x1C01),
 306          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 307        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 308                         0x0032,
 309                         PCI_VENDOR_ID_ASUSTEK,
 310                         0x850D),
 311          .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 312#endif
 313
 314        { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 315        { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 316
 317#ifdef CONFIG_ATH9K_PCOEM
 318        /* PCI-E CUS217 */
 319        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 320                         0x0034,
 321                         PCI_VENDOR_ID_AZWAVE,
 322                         0x2116),
 323          .driver_data = ATH9K_PCI_CUS217 },
 324        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 325                         0x0034,
 326                         0x11AD, /* LITEON */
 327                         0x6661),
 328          .driver_data = ATH9K_PCI_CUS217 },
 329
 330        /* AR9462 with WoW support */
 331        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 332                         0x0034,
 333                         PCI_VENDOR_ID_ATHEROS,
 334                         0x3117),
 335          .driver_data = ATH9K_PCI_WOW },
 336        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 337                         0x0034,
 338                         PCI_VENDOR_ID_LENOVO,
 339                         0x3214),
 340          .driver_data = ATH9K_PCI_WOW },
 341        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 342                         0x0034,
 343                         PCI_VENDOR_ID_ATTANSIC,
 344                         0x0091),
 345          .driver_data = ATH9K_PCI_WOW },
 346        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 347                         0x0034,
 348                         PCI_VENDOR_ID_AZWAVE,
 349                         0x2110),
 350          .driver_data = ATH9K_PCI_WOW },
 351        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 352                         0x0034,
 353                         PCI_VENDOR_ID_ASUSTEK,
 354                         0x850E),
 355          .driver_data = ATH9K_PCI_WOW },
 356        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 357                         0x0034,
 358                         0x11AD, /* LITEON */
 359                         0x6631),
 360          .driver_data = ATH9K_PCI_WOW },
 361        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 362                         0x0034,
 363                         0x11AD, /* LITEON */
 364                         0x6641),
 365          .driver_data = ATH9K_PCI_WOW },
 366        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 367                         0x0034,
 368                         PCI_VENDOR_ID_HP,
 369                         0x1864),
 370          .driver_data = ATH9K_PCI_WOW },
 371        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 372                         0x0034,
 373                         0x14CD, /* USI */
 374                         0x0063),
 375          .driver_data = ATH9K_PCI_WOW },
 376        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 377                         0x0034,
 378                         0x14CD, /* USI */
 379                         0x0064),
 380          .driver_data = ATH9K_PCI_WOW },
 381        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 382                         0x0034,
 383                         0x10CF, /* Fujitsu */
 384                         0x1783),
 385          .driver_data = ATH9K_PCI_WOW },
 386        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 387                         0x0034,
 388                         PCI_VENDOR_ID_DELL,
 389                         0x020B),
 390          .driver_data = ATH9K_PCI_WOW },
 391
 392        /* Killer Wireless (2x2) */
 393        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 394                         0x0030,
 395                         0x1A56,
 396                         0x2003),
 397          .driver_data = ATH9K_PCI_KILLER },
 398
 399        { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 400        { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 401
 402        /* CUS252 */
 403        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 404                         0x0036,
 405                         PCI_VENDOR_ID_ATHEROS,
 406                         0x3028),
 407          .driver_data = ATH9K_PCI_CUS252 |
 408                         ATH9K_PCI_AR9565_2ANT |
 409                         ATH9K_PCI_BT_ANT_DIV },
 410        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 411                         0x0036,
 412                         PCI_VENDOR_ID_AZWAVE,
 413                         0x2176),
 414          .driver_data = ATH9K_PCI_CUS252 |
 415                         ATH9K_PCI_AR9565_2ANT |
 416                         ATH9K_PCI_BT_ANT_DIV },
 417
 418        /* WB335 1-ANT */
 419        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 420                         0x0036,
 421                         PCI_VENDOR_ID_FOXCONN,
 422                         0xE068),
 423          .driver_data = ATH9K_PCI_AR9565_1ANT },
 424        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 425                         0x0036,
 426                         0x185F, /* WNC */
 427                         0xA119),
 428          .driver_data = ATH9K_PCI_AR9565_1ANT },
 429        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 430                         0x0036,
 431                         0x11AD, /* LITEON */
 432                         0x0632),
 433          .driver_data = ATH9K_PCI_AR9565_1ANT },
 434        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 435                         0x0036,
 436                         0x11AD, /* LITEON */
 437                         0x06B2),
 438          .driver_data = ATH9K_PCI_AR9565_1ANT },
 439        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 440                         0x0036,
 441                         0x11AD, /* LITEON */
 442                         0x0842),
 443          .driver_data = ATH9K_PCI_AR9565_1ANT },
 444        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 445                         0x0036,
 446                         0x11AD, /* LITEON */
 447                         0x1842),
 448          .driver_data = ATH9K_PCI_AR9565_1ANT },
 449        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 450                         0x0036,
 451                         0x11AD, /* LITEON */
 452                         0x6671),
 453          .driver_data = ATH9K_PCI_AR9565_1ANT },
 454        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 455                         0x0036,
 456                         0x1B9A, /* XAVI */
 457                         0x2811),
 458          .driver_data = ATH9K_PCI_AR9565_1ANT },
 459        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 460                         0x0036,
 461                         0x1B9A, /* XAVI */
 462                         0x2812),
 463          .driver_data = ATH9K_PCI_AR9565_1ANT },
 464        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 465                         0x0036,
 466                         0x1B9A, /* XAVI */
 467                         0x28A1),
 468          .driver_data = ATH9K_PCI_AR9565_1ANT },
 469        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 470                         0x0036,
 471                         0x1B9A, /* XAVI */
 472                         0x28A3),
 473          .driver_data = ATH9K_PCI_AR9565_1ANT },
 474        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 475                         0x0036,
 476                         PCI_VENDOR_ID_AZWAVE,
 477                         0x218A),
 478          .driver_data = ATH9K_PCI_AR9565_1ANT },
 479        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 480                         0x0036,
 481                         PCI_VENDOR_ID_AZWAVE,
 482                         0x2F8A),
 483          .driver_data = ATH9K_PCI_AR9565_1ANT },
 484
 485        /* WB335 1-ANT / Antenna Diversity */
 486        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 487                         0x0036,
 488                         PCI_VENDOR_ID_ATHEROS,
 489                         0x3025),
 490          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 491        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 492                         0x0036,
 493                         PCI_VENDOR_ID_ATHEROS,
 494                         0x3026),
 495          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 496        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 497                         0x0036,
 498                         PCI_VENDOR_ID_ATHEROS,
 499                         0x302B),
 500          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 501        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 502                         0x0036,
 503                         PCI_VENDOR_ID_FOXCONN,
 504                         0xE069),
 505          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 506        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 507                         0x0036,
 508                         0x185F, /* WNC */
 509                         0x3028),
 510          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 511        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 512                         0x0036,
 513                         0x11AD, /* LITEON */
 514                         0x0622),
 515          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 516        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 517                         0x0036,
 518                         0x11AD, /* LITEON */
 519                         0x0672),
 520          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 521        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 522                         0x0036,
 523                         0x11AD, /* LITEON */
 524                         0x0662),
 525          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 526        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 527                         0x0036,
 528                         0x11AD, /* LITEON */
 529                         0x06A2),
 530          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 531        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 532                         0x0036,
 533                         0x11AD, /* LITEON */
 534                         0x0682),
 535          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 536        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 537                         0x0036,
 538                         PCI_VENDOR_ID_AZWAVE,
 539                         0x213A),
 540          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 541        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 542                         0x0036,
 543                         PCI_VENDOR_ID_AZWAVE,
 544                         0x213C),
 545          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 546        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 547                         0x0036,
 548                         PCI_VENDOR_ID_HP,
 549                         0x18E3),
 550          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 551        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 552                         0x0036,
 553                         PCI_VENDOR_ID_HP,
 554                         0x217F),
 555          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 556        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 557                         0x0036,
 558                         PCI_VENDOR_ID_HP,
 559                         0x2005),
 560          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 561        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 562                         0x0036,
 563                         PCI_VENDOR_ID_DELL,
 564                         0x020C),
 565          .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 566
 567        /* WB335 2-ANT / Antenna-Diversity */
 568        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 569                         0x0036,
 570                         PCI_VENDOR_ID_SAMSUNG,
 571                         0x411A),
 572          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 573        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 574                         0x0036,
 575                         PCI_VENDOR_ID_SAMSUNG,
 576                         0x411B),
 577          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 578        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 579                         0x0036,
 580                         PCI_VENDOR_ID_SAMSUNG,
 581                         0x411C),
 582          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 583        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 584                         0x0036,
 585                         PCI_VENDOR_ID_SAMSUNG,
 586                         0x411D),
 587          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 588        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 589                         0x0036,
 590                         PCI_VENDOR_ID_SAMSUNG,
 591                         0x411E),
 592          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 593        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 594                         0x0036,
 595                         PCI_VENDOR_ID_SAMSUNG,
 596                         0x4129),
 597          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 598        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 599                         0x0036,
 600                         PCI_VENDOR_ID_SAMSUNG,
 601                         0x412A),
 602          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 603        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 604                         0x0036,
 605                         PCI_VENDOR_ID_ATHEROS,
 606                         0x3027),
 607          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 608        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 609                         0x0036,
 610                         PCI_VENDOR_ID_ATHEROS,
 611                         0x302C),
 612          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 613        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 614                         0x0036,
 615                         0x11AD, /* LITEON */
 616                         0x0642),
 617          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 618        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 619                         0x0036,
 620                         0x11AD, /* LITEON */
 621                         0x0652),
 622          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 623        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 624                         0x0036,
 625                         0x11AD, /* LITEON */
 626                         0x0612),
 627          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 628        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 629                         0x0036,
 630                         0x11AD, /* LITEON */
 631                         0x0832),
 632          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 633        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 634                         0x0036,
 635                         0x11AD, /* LITEON */
 636                         0x1832),
 637          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 638        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 639                         0x0036,
 640                         0x11AD, /* LITEON */
 641                         0x0692),
 642          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 643        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 644                         0x0036,
 645                         0x11AD, /* LITEON */
 646                         0x0803),
 647          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 648        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 649                         0x0036,
 650                         0x11AD, /* LITEON */
 651                         0x0813),
 652          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 653        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 654                         0x0036,
 655                         PCI_VENDOR_ID_AZWAVE,
 656                         0x2130),
 657          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 658        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 659                         0x0036,
 660                         PCI_VENDOR_ID_AZWAVE,
 661                         0x213B),
 662          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 663        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 664                         0x0036,
 665                         PCI_VENDOR_ID_AZWAVE,
 666                         0x2182),
 667          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 668        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 669                         0x0036,
 670                         PCI_VENDOR_ID_AZWAVE,
 671                         0x218B),
 672          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 673        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 674                         0x0036,
 675                         PCI_VENDOR_ID_AZWAVE,
 676                         0x218C),
 677          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 678        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 679                         0x0036,
 680                         PCI_VENDOR_ID_AZWAVE,
 681                         0x2F82),
 682          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 683        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 684                         0x0036,
 685                         0x144F, /* ASKEY */
 686                         0x7202),
 687          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 688        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 689                         0x0036,
 690                         0x1B9A, /* XAVI */
 691                         0x2810),
 692          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 693        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 694                         0x0036,
 695                         0x1B9A, /* XAVI */
 696                         0x2813),
 697          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 698        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 699                         0x0036,
 700                         0x1B9A, /* XAVI */
 701                         0x28A2),
 702          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 703        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 704                         0x0036,
 705                         0x1B9A, /* XAVI */
 706                         0x28A4),
 707          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 708        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 709                         0x0036,
 710                         0x185F, /* WNC */
 711                         0x3027),
 712          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 713        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 714                         0x0036,
 715                         0x185F, /* WNC */
 716                         0xA120),
 717          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 718        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 719                         0x0036,
 720                         PCI_VENDOR_ID_FOXCONN,
 721                         0xE07F),
 722          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 723        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 724                         0x0036,
 725                         PCI_VENDOR_ID_FOXCONN,
 726                         0xE08F),
 727          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 728        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 729                         0x0036,
 730                         PCI_VENDOR_ID_FOXCONN,
 731                         0xE081),
 732          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 733        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 734                         0x0036,
 735                         PCI_VENDOR_ID_FOXCONN,
 736                         0xE091),
 737          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 738        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 739                         0x0036,
 740                         PCI_VENDOR_ID_FOXCONN,
 741                         0xE099),
 742          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 743        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 744                         0x0036,
 745                         PCI_VENDOR_ID_LENOVO,
 746                         0x3026),
 747          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 748        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 749                         0x0036,
 750                         PCI_VENDOR_ID_LENOVO,
 751                         0x4026),
 752          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 753        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 754                         0x0036,
 755                         PCI_VENDOR_ID_ASUSTEK,
 756                         0x85F2),
 757          .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 758        { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 759                         0x0036,
 760                         PCI_VENDOR_ID_DELL,
 761                         0x020E),
 762          .driver_data = ATH9K_PCI_AR9565_2ANT |
 763                         ATH9K_PCI_BT_ANT_DIV |
 764                         ATH9K_PCI_LED_ACT_HI},
 765
 766        /* PCI-E AR9565 (WB335) */
 767        { PCI_VDEVICE(ATHEROS, 0x0036),
 768          .driver_data = ATH9K_PCI_BT_ANT_DIV },
 769#endif
 770
 771        { 0 }
 772};
 773
 774
 775/* return bus cachesize in 4B word units */
 776static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 777{
 778        struct ath_softc *sc = (struct ath_softc *) common->priv;
 779        u8 u8tmp;
 780
 781        pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 782        *csz = (int)u8tmp;
 783
 784        /*
 785         * This check was put in to avoid "unpleasant" consequences if
 786         * the bootrom has not fully initialized all PCI devices.
 787         * Sometimes the cache line size register is not set
 788         */
 789
 790        if (*csz == 0)
 791                *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 792}
 793
 794static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 795{
 796        struct ath_hw *ah = (struct ath_hw *) common->ah;
 797
 798        common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 799
 800        if (!ath9k_hw_wait(ah,
 801                                AR_EEPROM_STATUS_DATA,
 802                                AR_EEPROM_STATUS_DATA_BUSY |
 803                                AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 804                                AH_WAIT_TIMEOUT)) {
 805                return false;
 806        }
 807
 808        *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 809                        AR_EEPROM_STATUS_DATA_VAL);
 810
 811        return true;
 812}
 813
 814/* Need to be called after we discover btcoex capabilities */
 815static void ath_pci_aspm_init(struct ath_common *common)
 816{
 817        struct ath_softc *sc = (struct ath_softc *) common->priv;
 818        struct ath_hw *ah = sc->sc_ah;
 819        struct pci_dev *pdev = to_pci_dev(sc->dev);
 820        struct pci_dev *parent;
 821        u16 aspm;
 822
 823        if (!ah->is_pciexpress)
 824                return;
 825
 826        parent = pdev->bus->self;
 827        if (!parent)
 828                return;
 829
 830        if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 831            (AR_SREV_9285(ah))) {
 832                /* Bluetooth coexistence requires disabling ASPM. */
 833                pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 834                        PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 835
 836                /*
 837                 * Both upstream and downstream PCIe components should
 838                 * have the same ASPM settings.
 839                 */
 840                pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 841                        PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 842
 843                ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 844                return;
 845        }
 846
 847        /*
 848         * 0x70c - Ack Frequency Register.
 849         *
 850         * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 851         *
 852         * 000 : 1 us
 853         * 001 : 2 us
 854         * 010 : 4 us
 855         * 011 : 8 us
 856         * 100 : 16 us
 857         * 101 : 32 us
 858         * 110/111 : 64 us
 859         */
 860        if (AR_SREV_9462(ah))
 861                pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 862
 863        pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 864        if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
 865                ah->aspm_enabled = true;
 866                /* Initialize PCIe PM and SERDES registers. */
 867                ath9k_hw_configpcipowersave(ah, false);
 868                ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 869        }
 870}
 871
 872static const struct ath_bus_ops ath_pci_bus_ops = {
 873        .ath_bus_type = ATH_PCI,
 874        .read_cachesize = ath_pci_read_cachesize,
 875        .eeprom_read = ath_pci_eeprom_read,
 876        .aspm_init = ath_pci_aspm_init,
 877};
 878
 879static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 880{
 881        struct ath_softc *sc;
 882        struct ieee80211_hw *hw;
 883        u8 csz;
 884        u32 val;
 885        int ret = 0;
 886        char hw_name[64];
 887
 888        if (pcim_enable_device(pdev))
 889                return -EIO;
 890
 891        ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 892        if (ret) {
 893                pr_err("32-bit DMA not available\n");
 894                return ret;
 895        }
 896
 897        ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 898        if (ret) {
 899                pr_err("32-bit DMA consistent DMA enable failed\n");
 900                return ret;
 901        }
 902
 903        /*
 904         * Cache line size is used to size and align various
 905         * structures used to communicate with the hardware.
 906         */
 907        pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 908        if (csz == 0) {
 909                /*
 910                 * Linux 2.4.18 (at least) writes the cache line size
 911                 * register as a 16-bit wide register which is wrong.
 912                 * We must have this setup properly for rx buffer
 913                 * DMA to work so force a reasonable value here if it
 914                 * comes up zero.
 915                 */
 916                csz = L1_CACHE_BYTES / sizeof(u32);
 917                pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 918        }
 919        /*
 920         * The default setting of latency timer yields poor results,
 921         * set it to the value used by other systems. It may be worth
 922         * tweaking this setting more.
 923         */
 924        pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 925
 926        pci_set_master(pdev);
 927
 928        /*
 929         * Disable the RETRY_TIMEOUT register (0x41) to keep
 930         * PCI Tx retries from interfering with C3 CPU state.
 931         */
 932        pci_read_config_dword(pdev, 0x40, &val);
 933        if ((val & 0x0000ff00) != 0)
 934                pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 935
 936        ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 937        if (ret) {
 938                dev_err(&pdev->dev, "PCI memory region reserve error\n");
 939                return -ENODEV;
 940        }
 941
 942        ath9k_fill_chanctx_ops();
 943        hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 944        if (!hw) {
 945                dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 946                return -ENOMEM;
 947        }
 948
 949        SET_IEEE80211_DEV(hw, &pdev->dev);
 950        pci_set_drvdata(pdev, hw);
 951
 952        sc = hw->priv;
 953        sc->hw = hw;
 954        sc->dev = &pdev->dev;
 955        sc->mem = pcim_iomap_table(pdev)[0];
 956        sc->driver_data = id->driver_data;
 957
 958        ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 959        if (ret) {
 960                dev_err(&pdev->dev, "request_irq failed\n");
 961                goto err_irq;
 962        }
 963
 964        sc->irq = pdev->irq;
 965
 966        ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 967        if (ret) {
 968                dev_err(&pdev->dev, "Failed to initialize device\n");
 969                goto err_init;
 970        }
 971
 972        ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 973        wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
 974                   hw_name, (unsigned long)sc->mem, pdev->irq);
 975
 976        return 0;
 977
 978err_init:
 979        free_irq(sc->irq, sc);
 980err_irq:
 981        ieee80211_free_hw(hw);
 982        return ret;
 983}
 984
 985static void ath_pci_remove(struct pci_dev *pdev)
 986{
 987        struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 988        struct ath_softc *sc = hw->priv;
 989
 990        if (!is_ath9k_unloaded)
 991                sc->sc_ah->ah_flags |= AH_UNPLUGGED;
 992        ath9k_deinit_device(sc);
 993        free_irq(sc->irq, sc);
 994        ieee80211_free_hw(sc->hw);
 995}
 996
 997#ifdef CONFIG_PM_SLEEP
 998
 999static int ath_pci_suspend(struct device *device)
1000{

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