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/ath9k_platform.h>
  23 #include <linux/module.h>
  24 #include "ath9k.h"
  25
  26 static const struct pci_device_id ath_pci_id_table[] = {
  27         { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  28         { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  29         { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  30         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* 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, 0x002A) }, /* PCI-E */
  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
  90         /* AR9285 card for Asus */
  91         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  92                          0x002B,
  93                          PCI_VENDOR_ID_AZWAVE,
  94                          0x2C37),
  95           .driver_data = ATH9K_PCI_BT_ANT_DIV },
  96 #endif
  97
  98         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
  99         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 100         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 101         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 102
 103         /* Killer Wireless (3x3) */
 104         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 105                          0x0030,
 106                          0x1A56,
 107                          0x2000),
 108           .driver_data = ATH9K_PCI_KILLER },
 109         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 110                          0x0030,
 111                          0x1A56,
 112                          0x2001),
 113           .driver_data = ATH9K_PCI_KILLER },
 114
 115         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 116
 117 #ifdef CONFIG_ATH9K_PCOEM
 118         /* PCI-E CUS198 */
 119         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 120                          0x0032,
 121                          PCI_VENDOR_ID_AZWAVE,
 122                          0x2086),
 123           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 124         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 125                          0x0032,
 126                          PCI_VENDOR_ID_AZWAVE,
 127                          0x1237),
 128           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 129         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 130                          0x0032,
 131                          PCI_VENDOR_ID_AZWAVE,
 132                          0x2126),
 133           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 134         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 135                          0x0032,
 136                          PCI_VENDOR_ID_AZWAVE,
 137                          0x126A),
 138           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 139
 140         /* PCI-E CUS230 */
 141         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 142                          0x0032,
 143                          PCI_VENDOR_ID_AZWAVE,
 144                          0x2152),
 145           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 146         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 147                          0x0032,
 148                          PCI_VENDOR_ID_FOXCONN,
 149                          0xE075),
 150           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 151
 152         /* WB225 */
 153         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 154                          0x0032,
 155                          PCI_VENDOR_ID_ATHEROS,
 156                          0x3119),
 157           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 158         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 159                          0x0032,
 160                          PCI_VENDOR_ID_ATHEROS,
 161                          0x3122),
 162           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 163         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 164                          0x0032,
 165                          0x185F, /* WNC */
 166                          0x3119),
 167           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 168         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 169                          0x0032,
 170                          0x185F, /* WNC */
 171                          0x3027),
 172           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 173         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 174                          0x0032,
 175                          PCI_VENDOR_ID_SAMSUNG,
 176                          0x4105),
 177           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 178         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 179                          0x0032,
 180                          PCI_VENDOR_ID_SAMSUNG,
 181                          0x4106),
 182           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 183         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 184                          0x0032,
 185                          PCI_VENDOR_ID_SAMSUNG,
 186                          0x410D),
 187           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 188         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 189                          0x0032,
 190                          PCI_VENDOR_ID_SAMSUNG,
 191                          0x410E),
 192           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 193         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 194                          0x0032,
 195                          PCI_VENDOR_ID_SAMSUNG,
 196                          0x410F),
 197           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 198         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 199                          0x0032,
 200                          PCI_VENDOR_ID_SAMSUNG,
 201                          0xC706),
 202           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 203         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 204                          0x0032,
 205                          PCI_VENDOR_ID_SAMSUNG,
 206                          0xC680),
 207           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 208         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 209                          0x0032,
 210                          PCI_VENDOR_ID_SAMSUNG,
 211                          0xC708),
 212           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 213         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 214                          0x0032,
 215                          PCI_VENDOR_ID_LENOVO,
 216                          0x3218),
 217           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 218         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 219                          0x0032,
 220                          PCI_VENDOR_ID_LENOVO,
 221                          0x3219),
 222           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 223
 224         /* AR9485 cards with PLL power-save disabled by default. */
 225         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 226                          0x0032,
 227                          PCI_VENDOR_ID_AZWAVE,
 228                          0x2C97),
 229           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 230         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 231                          0x0032,
 232                          PCI_VENDOR_ID_AZWAVE,
 233                          0x2100),
 234           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 235         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 236                          0x0032,
 237                          0x1C56, /* ASKEY */
 238                          0x4001),
 239           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 240         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 241                          0x0032,
 242                          0x11AD, /* LITEON */
 243                          0x6627),
 244           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 245         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 246                          0x0032,
 247                          0x11AD, /* LITEON */
 248                          0x6628),
 249           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 250         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 251                          0x0032,
 252                          PCI_VENDOR_ID_FOXCONN,
 253                          0xE04E),
 254           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 255         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 256                          0x0032,
 257                          PCI_VENDOR_ID_FOXCONN,
 258                          0xE04F),
 259           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 260         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 261                          0x0032,
 262                          0x144F, /* ASKEY */
 263                          0x7197),
 264           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 265         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 266                          0x0032,
 267                          0x1B9A, /* XAVI */
 268                          0x2000),
 269           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 270         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 271                          0x0032,
 272                          0x1B9A, /* XAVI */
 273                          0x2001),
 274           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 275         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 276                          0x0032,
 277                          PCI_VENDOR_ID_AZWAVE,
 278                          0x1186),
 279           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 280         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 281                          0x0032,
 282                          PCI_VENDOR_ID_AZWAVE,
 283                          0x1F86),
 284           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 285         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 286                          0x0032,
 287                          PCI_VENDOR_ID_AZWAVE,
 288                          0x1195),
 289           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 290         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 291                          0x0032,
 292                          PCI_VENDOR_ID_AZWAVE,
 293                          0x1F95),
 294           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 295         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 296                          0x0032,
 297                          0x1B9A, /* XAVI */
 298                          0x1C00),
 299           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 300         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 301                          0x0032,
 302                          0x1B9A, /* XAVI */
 303                          0x1C01),
 304           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 305         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 306                          0x0032,
 307                          PCI_VENDOR_ID_ASUSTEK,
 308                          0x850D),
 309           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 310 #endif
 311
 312         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 313         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 314
 315 #ifdef CONFIG_ATH9K_PCOEM
 316         /* PCI-E CUS217 */
 317         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 318                          0x0034,
 319                          PCI_VENDOR_ID_AZWAVE,
 320                          0x2116),
 321           .driver_data = ATH9K_PCI_CUS217 },
 322         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 323                          0x0034,
 324                          0x11AD, /* LITEON */
 325                          0x6661),
 326           .driver_data = ATH9K_PCI_CUS217 },
 327
 328         /* AR9462 with WoW support */
 329         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 330                          0x0034,
 331                          PCI_VENDOR_ID_ATHEROS,
 332                          0x3117),
 333           .driver_data = ATH9K_PCI_WOW },
 334         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 335                          0x0034,
 336                          PCI_VENDOR_ID_LENOVO,
 337                          0x3214),
 338           .driver_data = ATH9K_PCI_WOW },
 339         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 340                          0x0034,
 341                          PCI_VENDOR_ID_ATTANSIC,
 342                          0x0091),
 343           .driver_data = ATH9K_PCI_WOW },
 344         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 345                          0x0034,
 346                          PCI_VENDOR_ID_AZWAVE,
 347                          0x2110),
 348           .driver_data = ATH9K_PCI_WOW },
 349         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 350                          0x0034,
 351                          PCI_VENDOR_ID_ASUSTEK,
 352                          0x850E),
 353           .driver_data = ATH9K_PCI_WOW },
 354         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 355                          0x0034,
 356                          0x11AD, /* LITEON */
 357                          0x6631),
 358           .driver_data = ATH9K_PCI_WOW },
 359         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 360                          0x0034,
 361                          0x11AD, /* LITEON */
 362                          0x6641),
 363           .driver_data = ATH9K_PCI_WOW },
 364         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 365                          0x0034,
 366                          PCI_VENDOR_ID_HP,
 367                          0x1864),
 368           .driver_data = ATH9K_PCI_WOW },
 369         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 370                          0x0034,
 371                          0x14CD, /* USI */
 372                          0x0063),
 373           .driver_data = ATH9K_PCI_WOW },
 374         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 375                          0x0034,
 376                          0x14CD, /* USI */
 377                          0x0064),
 378           .driver_data = ATH9K_PCI_WOW },
 379         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 380                          0x0034,
 381                          0x10CF, /* Fujitsu */
 382                          0x1783),
 383           .driver_data = ATH9K_PCI_WOW },
 384
 385         /* Killer Wireless (2x2) */
 386         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 387                          0x0030,
 388                          0x1A56,
 389                          0x2003),
 390           .driver_data = ATH9K_PCI_KILLER },
 391
 392         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 393         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 394
 395         /* CUS252 */
 396         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 397                          0x0036,
 398                          PCI_VENDOR_ID_ATHEROS,
 399                          0x3028),
 400           .driver_data = ATH9K_PCI_CUS252 |
 401                          ATH9K_PCI_AR9565_2ANT |
 402                          ATH9K_PCI_BT_ANT_DIV },
 403         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 404                          0x0036,
 405                          PCI_VENDOR_ID_AZWAVE,
 406                          0x2176),
 407           .driver_data = ATH9K_PCI_CUS252 |
 408                          ATH9K_PCI_AR9565_2ANT |
 409                          ATH9K_PCI_BT_ANT_DIV },
 410
 411         /* WB335 1-ANT */
 412         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 413                          0x0036,
 414                          PCI_VENDOR_ID_FOXCONN,
 415                          0xE068),
 416           .driver_data = ATH9K_PCI_AR9565_1ANT },
 417         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 418                          0x0036,
 419                          0x185F, /* WNC */
 420                          0xA119),
 421           .driver_data = ATH9K_PCI_AR9565_1ANT },
 422         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 423                          0x0036,
 424                          0x11AD, /* LITEON */
 425                          0x0632),
 426           .driver_data = ATH9K_PCI_AR9565_1ANT },
 427         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 428                          0x0036,
 429                          0x11AD, /* LITEON */
 430                          0x06B2),
 431           .driver_data = ATH9K_PCI_AR9565_1ANT },
 432         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 433                          0x0036,
 434                          0x11AD, /* LITEON */
 435                          0x0842),
 436           .driver_data = ATH9K_PCI_AR9565_1ANT },
 437         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 438                          0x0036,
 439                          0x11AD, /* LITEON */
 440                          0x1842),
 441           .driver_data = ATH9K_PCI_AR9565_1ANT },
 442         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 443                          0x0036,
 444                          0x11AD, /* LITEON */
 445                          0x6671),
 446           .driver_data = ATH9K_PCI_AR9565_1ANT },
 447         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 448                          0x0036,
 449                          0x1B9A, /* XAVI */
 450                          0x2811),
 451           .driver_data = ATH9K_PCI_AR9565_1ANT },
 452         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 453                          0x0036,
 454                          0x1B9A, /* XAVI */
 455                          0x2812),
 456           .driver_data = ATH9K_PCI_AR9565_1ANT },
 457         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 458                          0x0036,
 459                          0x1B9A, /* XAVI */
 460                          0x28A1),
 461           .driver_data = ATH9K_PCI_AR9565_1ANT },
 462         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 463                          0x0036,
 464                          0x1B9A, /* XAVI */
 465                          0x28A3),
 466           .driver_data = ATH9K_PCI_AR9565_1ANT },
 467         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 468                          0x0036,
 469                          PCI_VENDOR_ID_AZWAVE,
 470                          0x218A),
 471           .driver_data = ATH9K_PCI_AR9565_1ANT },
 472         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 473                          0x0036,
 474                          PCI_VENDOR_ID_AZWAVE,
 475                          0x2F8A),
 476           .driver_data = ATH9K_PCI_AR9565_1ANT },
 477
 478         /* WB335 1-ANT / Antenna Diversity */
 479         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 480                          0x0036,
 481                          PCI_VENDOR_ID_ATHEROS,
 482                          0x3025),
 483           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 484         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 485                          0x0036,
 486                          PCI_VENDOR_ID_ATHEROS,
 487                          0x3026),
 488           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 489         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 490                          0x0036,
 491                          PCI_VENDOR_ID_ATHEROS,
 492                          0x302B),
 493           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 494         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 495                          0x0036,
 496                          PCI_VENDOR_ID_FOXCONN,
 497                          0xE069),
 498           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 499         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 500                          0x0036,
 501                          0x185F, /* WNC */
 502                          0x3028),
 503           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 504         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 505                          0x0036,
 506                          0x11AD, /* LITEON */
 507                          0x0622),
 508           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 509         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 510                          0x0036,
 511                          0x11AD, /* LITEON */
 512                          0x0672),
 513           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 514         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 515                          0x0036,
 516                          0x11AD, /* LITEON */
 517                          0x0662),
 518           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 519         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 520                          0x0036,
 521                          0x11AD, /* LITEON */
 522                          0x06A2),
 523           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 524         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 525                          0x0036,
 526                          0x11AD, /* LITEON */
 527                          0x0682),
 528           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 529         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 530                          0x0036,
 531                          PCI_VENDOR_ID_AZWAVE,
 532                          0x213A),
 533           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 534         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 535                          0x0036,
 536                          PCI_VENDOR_ID_AZWAVE,
 537                          0x213C),
 538           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 539         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 540                          0x0036,
 541                          PCI_VENDOR_ID_HP,
 542                          0x18E3),
 543           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 544         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 545                          0x0036,
 546                          PCI_VENDOR_ID_HP,
 547                          0x217F),
 548           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 549         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 550                          0x0036,
 551                          PCI_VENDOR_ID_HP,
 552                          0x2005),
 553           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 554         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 555                          0x0036,
 556                          PCI_VENDOR_ID_DELL,
 557                          0x020C),
 558           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 559
 560         /* WB335 2-ANT / Antenna-Diversity */
 561         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 562                          0x0036,
 563                          PCI_VENDOR_ID_SAMSUNG,
 564                          0x411A),
 565           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 566         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 567                          0x0036,
 568                          PCI_VENDOR_ID_SAMSUNG,
 569                          0x411B),
 570           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 571         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 572                          0x0036,
 573                          PCI_VENDOR_ID_SAMSUNG,
 574                          0x411C),
 575           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 576         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 577                          0x0036,
 578                          PCI_VENDOR_ID_SAMSUNG,
 579                          0x411D),
 580           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 581         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 582                          0x0036,
 583                          PCI_VENDOR_ID_SAMSUNG,
 584                          0x411E),
 585           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 586         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 587                          0x0036,
 588                          PCI_VENDOR_ID_SAMSUNG,
 589                          0x4129),
 590           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 591         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 592                          0x0036,
 593                          PCI_VENDOR_ID_SAMSUNG,
 594                          0x412A),
 595           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 596         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 597                          0x0036,
 598                          PCI_VENDOR_ID_ATHEROS,
 599                          0x3027),
 600           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 601         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 602                          0x0036,
 603                          PCI_VENDOR_ID_ATHEROS,
 604                          0x302C),
 605           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 606         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 607                          0x0036,
 608                          0x11AD, /* LITEON */
 609                          0x0642),
 610           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 611         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 612                          0x0036,
 613                          0x11AD, /* LITEON */
 614                          0x0652),
 615           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 616         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 617                          0x0036,
 618                          0x11AD, /* LITEON */
 619                          0x0612),
 620           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 621         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 622                          0x0036,
 623                          0x11AD, /* LITEON */
 624                          0x0832),
 625           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 626         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 627                          0x0036,
 628                          0x11AD, /* LITEON */
 629                          0x1832),
 630           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 631         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 632                          0x0036,
 633                          0x11AD, /* LITEON */
 634                          0x0692),
 635           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 636         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 637                          0x0036,
 638                          0x11AD, /* LITEON */
 639                          0x0803),
 640           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 641         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 642                          0x0036,
 643                          0x11AD, /* LITEON */
 644                          0x0813),
 645           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 646         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 647                          0x0036,
 648                          PCI_VENDOR_ID_AZWAVE,
 649                          0x2130),
 650           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 651         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 652                          0x0036,
 653                          PCI_VENDOR_ID_AZWAVE,
 654                          0x213B),
 655           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 656         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 657                          0x0036,
 658                          PCI_VENDOR_ID_AZWAVE,
 659                          0x2182),
 660           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 661         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 662                          0x0036,
 663                          PCI_VENDOR_ID_AZWAVE,
 664                          0x218B),
 665           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 666         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 667                          0x0036,
 668                          PCI_VENDOR_ID_AZWAVE,
 669                          0x218C),
 670           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 671         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 672                          0x0036,
 673                          PCI_VENDOR_ID_AZWAVE,
 674                          0x2F82),
 675           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 676         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 677                          0x0036,
 678                          0x144F, /* ASKEY */
 679                          0x7202),
 680           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 681         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 682                          0x0036,
 683                          0x1B9A, /* XAVI */
 684                          0x2810),
 685           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 686         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 687                          0x0036,
 688                          0x1B9A, /* XAVI */
 689                          0x2813),
 690           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 691         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 692                          0x0036,
 693                          0x1B9A, /* XAVI */
 694                          0x28A2),
 695           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 696         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 697                          0x0036,
 698                          0x1B9A, /* XAVI */
 699                          0x28A4),
 700           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 701         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 702                          0x0036,
 703                          0x185F, /* WNC */
 704                          0x3027),
 705           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 706         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 707                          0x0036,
 708                          0x185F, /* WNC */
 709                          0xA120),
 710           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 711         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 712                          0x0036,
 713                          PCI_VENDOR_ID_FOXCONN,
 714                          0xE07F),
 715           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 716         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 717                          0x0036,
 718                          PCI_VENDOR_ID_FOXCONN,
 719                          0xE08F),
 720           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 721         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 722                          0x0036,
 723                          PCI_VENDOR_ID_FOXCONN,
 724                          0xE081),
 725           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 726         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 727                          0x0036,
 728                          PCI_VENDOR_ID_FOXCONN,
 729                          0xE091),
 730           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 731         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 732                          0x0036,
 733                          PCI_VENDOR_ID_FOXCONN,
 734                          0xE099),
 735           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 736         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 737                          0x0036,
 738                          PCI_VENDOR_ID_LENOVO,
 739                          0x3026),
 740           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 741         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 742                          0x0036,
 743                          PCI_VENDOR_ID_LENOVO,
 744                          0x4026),
 745           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 746         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 747                          0x0036,
 748                          PCI_VENDOR_ID_ASUSTEK,
 749                          0x85F2),
 750           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 751         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 752                          0x0036,
 753                          PCI_VENDOR_ID_DELL,
 754                          0x020E),
 755           .driver_data = ATH9K_PCI_AR9565_2ANT |
 756                          ATH9K_PCI_BT_ANT_DIV |
 757                          ATH9K_PCI_LED_ACT_HI},
 758
 759         /* PCI-E AR9565 (WB335) */
 760         { PCI_VDEVICE(ATHEROS, 0x0036),
 761           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 762 #endif
 763
 764         { 0 }
 765 };
 766
 767
 768 /* return bus cachesize in 4B word units */
 769 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 770 {
 771         struct ath_softc *sc = (struct ath_softc *) common->priv;
 772         u8 u8tmp;
 773
 774         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 775         *csz = (int)u8tmp;
 776
 777         /*
 778          * This check was put in to avoid "unpleasant" consequences if
 779          * the bootrom has not fully initialized all PCI devices.
 780          * Sometimes the cache line size register is not set
 781          */
 782
 783         if (*csz == 0)
 784                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 785 }
 786
 787 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 788 {
 789         struct ath_softc *sc = (struct ath_softc *) common->priv;
 790         struct ath9k_platform_data *pdata = sc->dev->platform_data;
 791
 792         if (pdata && !pdata->use_eeprom) {
 793                 if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
 794                         ath_err(common,
 795                                 "%s: eeprom read failed, offset %08x is out of range\n",
 796                                 __func__, off);
 797                 }
 798
 799                 *data = pdata->eeprom_data[off];
 800         } else {
 801                 struct ath_hw *ah = (struct ath_hw *) common->ah;
 802
 803                 common->ops->read(ah, AR5416_EEPROM_OFFSET +
 804                                       (off << AR5416_EEPROM_S));
 805
 806                 if (!ath9k_hw_wait(ah,
 807                                    AR_EEPROM_STATUS_DATA,
 808                                    AR_EEPROM_STATUS_DATA_BUSY |
 809                                    AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 810                                    AH_WAIT_TIMEOUT)) {
 811                         return false;
 812                 }
 813
 814                 *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 815                            AR_EEPROM_STATUS_DATA_VAL);
 816         }
 817
 818         return true;
 819 }
 820
 821 /* Need to be called after we discover btcoex capabilities */
 822 static 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
 879 static 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
 886 static 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
 895         if (pcim_enable_device(pdev))
 896                 return -EIO;
 897
 898         ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 899         if (ret) {
 900                 pr_err("32-bit DMA not available\n");
 901                 return ret;
 902         }
 903
 904         ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 905         if (ret) {
 906                 pr_err("32-bit DMA consistent DMA enable failed\n");
 907                 return ret;
 908         }
 909
 910         /*
 911          * Cache line size is used to size and align various
 912          * structures used to communicate with the hardware.
 913          */
 914         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 915         if (csz == 0) {
 916                 /*
 917                  * Linux 2.4.18 (at least) writes the cache line size
 918                  * register as a 16-bit wide register which is wrong.
 919                  * We must have this setup properly for rx buffer
 920                  * DMA to work so force a reasonable value here if it
 921                  * comes up zero.
 922                  */
 923                 csz = L1_CACHE_BYTES / sizeof(u32);
 924                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 925         }
 926         /*
 927          * The default setting of latency timer yields poor results,
 928          * set it to the value used by other systems. It may be worth
 929          * tweaking this setting more.
 930          */
 931         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 932
 933         pci_set_master(pdev);
 934
 935         /*
 936          * Disable the RETRY_TIMEOUT register (0x41) to keep
 937          * PCI Tx retries from interfering with C3 CPU state.
 938          */
 939         pci_read_config_dword(pdev, 0x40, &val);
 940         if ((val & 0x0000ff00) != 0)
 941                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 942
 943         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 944         if (ret) {
 945                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
 946                 return -ENODEV;
 947         }
 948
 949         ath9k_fill_chanctx_ops();
 950         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 951         if (!hw) {
 952                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 953                 return -ENOMEM;
 954         }
 955
 956         SET_IEEE80211_DEV(hw, &pdev->dev);
 957         pci_set_drvdata(pdev, hw);
 958
 959         sc = hw->priv;
 960         sc->hw = hw;
 961         sc->dev = &pdev->dev;
 962         sc->mem = pcim_iomap_table(pdev)[0];
 963         sc->driver_data = id->driver_data;
 964
 965         ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 966         if (ret) {
 967                 dev_err(&pdev->dev, "request_irq failed\n");
 968                 goto err_irq;
 969         }
 970
 971         sc->irq = pdev->irq;
 972
 973         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 974         if (ret) {
 975                 dev_err(&pdev->dev, "Failed to initialize device\n");
 976                 goto err_init;
 977         }
 978
 979         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 980         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
 981                    hw_name, (unsigned long)sc->mem, pdev->irq);
 982
 983         return 0;
 984
 985 err_init:
 986         free_irq(sc->irq, sc);
 987 err_irq:
 988         ieee80211_free_hw(hw);
 989         return ret;
 990 }
 991
 992 static void ath_pci_remove(struct pci_dev *pdev)
 993 {
 994         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 995         struct ath_softc *sc = hw->priv;
 996
 997         if (!is_ath9k_unloaded)
 998                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
 999         ath9k_deinit_device(sc);
1000         free_irq(sc->irq, sc);
1001         ieee80211_free_hw(sc->hw);
1002 }
1003
1004 #ifdef CONFIG_PM_SLEEP
1005
1006 static int ath_pci_suspend(struct device *device)
1007 {
1008         struct pci_dev *pdev = to_pci_dev(device);
1009         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1010         struct ath_softc *sc = hw->priv;
1011         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1012
1013         if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1014                 dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1015                 return 0;
1016         }
1017
1018         /* The device has to be moved to FULLSLEEP forcibly.
1019          * Otherwise the chip never moved to full sleep,
1020          * when no interface is up.
1021          */
1022         ath9k_stop_btcoex(sc);
1023         ath9k_hw_disable(sc->sc_ah);
1024         del_timer_sync(&sc->sleep_timer);
1025         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1026
1027         return 0;
1028 }
1029
1030 static int ath_pci_resume(struct device *device)
1031 {
1032         struct pci_dev *pdev = to_pci_dev(device);
1033         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1034         struct ath_softc *sc = hw->priv;
1035         struct ath_hw *ah = sc->sc_ah;
1036         struct ath_common *common = ath9k_hw_common(ah);
1037         u32 val;
1038
1039         /*
1040          * Suspend/Resume resets the PCI configuration space, so we have to
1041          * re-disable the RETRY_TIMEOUT register (0x41) to keep
1042          * PCI Tx retries from interfering with C3 CPU state
1043          */
1044         pci_read_config_dword(pdev, 0x40, &val);
1045         if ((val & 0x0000ff00) != 0)
1046                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1047
1048         ath_pci_aspm_init(common);
1049         ah->reset_power_on = false;
1050
1051         return 0;
1052 }
1053
1054 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1055
1056 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
1057
1058 #else /* !CONFIG_PM_SLEEP */
1059
1060 #define ATH9K_PM_OPS    NULL
1061
1062 #endif /* !CONFIG_PM_SLEEP */
1063
1064
1065 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1066
1067 static struct pci_driver ath_pci_driver = {
1068         .name       = "ath9k",
1069         .id_table   = ath_pci_id_table,
1070         .probe      = ath_pci_probe,
1071         .remove     = ath_pci_remove,
1072         .driver.pm  = ATH9K_PM_OPS,
1073 };
1074
1075 int ath_pci_init(void)
1076 {
1077         return pci_register_driver(&ath_pci_driver);
1078 }
1079
1080 void ath_pci_exit(void)
1081 {
1082         pci_unregister_driver(&ath_pci_driver);
1083 }