kernel/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
  31 #ifdef CONFIG_ATH9K_PCOEM
  32         /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  33         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  34                          0x0029,
  35                          PCI_VENDOR_ID_ATHEROS,
  36                          0x2096),
  37           .driver_data = ATH9K_PCI_LED_ACT_HI },
  38 #endif
  39
  40         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  41
  42 #ifdef CONFIG_ATH9K_PCOEM
  43         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  44                          0x002A,
  45                          PCI_VENDOR_ID_AZWAVE,
  46                          0x1C71),
  47           .driver_data = ATH9K_PCI_D3_L1_WAR },
  48         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  49                          0x002A,
  50                          PCI_VENDOR_ID_FOXCONN,
  51                          0xE01F),
  52           .driver_data = ATH9K_PCI_D3_L1_WAR },
  53         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  54                          0x002A,
  55                          0x11AD, /* LITEON */
  56                          0x6632),
  57           .driver_data = ATH9K_PCI_D3_L1_WAR },
  58         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  59                          0x002A,
  60                          0x11AD, /* LITEON */
  61                          0x6642),
  62           .driver_data = ATH9K_PCI_D3_L1_WAR },
  63         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  64                          0x002A,
  65                          PCI_VENDOR_ID_QMI,
  66                          0x0306),
  67           .driver_data = ATH9K_PCI_D3_L1_WAR },
  68         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  69                          0x002A,
  70                          0x185F, /* WNC */
  71                          0x309D),
  72           .driver_data = ATH9K_PCI_D3_L1_WAR },
  73         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  74                          0x002A,
  75                          0x10CF, /* Fujitsu */
  76                          0x147C),
  77           .driver_data = ATH9K_PCI_D3_L1_WAR },
  78         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  79                          0x002A,
  80                          0x10CF, /* Fujitsu */
  81                          0x147D),
  82           .driver_data = ATH9K_PCI_D3_L1_WAR },
  83         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  84                          0x002A,
  85                          0x10CF, /* Fujitsu */
  86                          0x1536),
  87           .driver_data = ATH9K_PCI_D3_L1_WAR },
  88 #endif
  89
  90         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  91
  92 #ifdef CONFIG_ATH9K_PCOEM
  93         /* AR9285 card for Asus */
  94         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  95                          0x002B,
  96                          PCI_VENDOR_ID_AZWAVE,
  97                          0x2C37),
  98           .driver_data = ATH9K_PCI_BT_ANT_DIV },
  99 #endif
 100
 101         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 102         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 103         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 104         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 105
 106         /* Killer Wireless (3x3) */
 107         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 108                          0x0030,
 109                          0x1A56,
 110                          0x2000),
 111           .driver_data = ATH9K_PCI_KILLER },
 112         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 113                          0x0030,
 114                          0x1A56,
 115                          0x2001),
 116           .driver_data = ATH9K_PCI_KILLER },
 117
 118         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 119
 120 #ifdef CONFIG_ATH9K_PCOEM
 121         /* PCI-E CUS198 */
 122         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 123                          0x0032,
 124                          PCI_VENDOR_ID_AZWAVE,
 125                          0x2086),
 126           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 127         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 128                          0x0032,
 129                          PCI_VENDOR_ID_AZWAVE,
 130                          0x1237),
 131           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 132         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 133                          0x0032,
 134                          PCI_VENDOR_ID_AZWAVE,
 135                          0x2126),
 136           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 137         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 138                          0x0032,
 139                          PCI_VENDOR_ID_AZWAVE,
 140                          0x126A),
 141           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 142
 143         /* PCI-E CUS230 */
 144         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 145                          0x0032,
 146                          PCI_VENDOR_ID_AZWAVE,
 147                          0x2152),
 148           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 149         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 150                          0x0032,
 151                          PCI_VENDOR_ID_FOXCONN,
 152                          0xE075),
 153           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 154
 155         /* WB225 */
 156         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 157                          0x0032,
 158                          PCI_VENDOR_ID_ATHEROS,
 159                          0x3119),
 160           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 161         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 162                          0x0032,
 163                          PCI_VENDOR_ID_ATHEROS,
 164                          0x3122),
 165           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 166         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 167                          0x0032,
 168                          0x185F, /* WNC */
 169                          0x3119),
 170           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 171         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 172                          0x0032,
 173                          0x185F, /* WNC */
 174                          0x3027),
 175           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 176         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 177                          0x0032,
 178                          PCI_VENDOR_ID_SAMSUNG,
 179                          0x4105),
 180           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 181         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 182                          0x0032,
 183                          PCI_VENDOR_ID_SAMSUNG,
 184                          0x4106),
 185           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 186         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 187                          0x0032,
 188                          PCI_VENDOR_ID_SAMSUNG,
 189                          0x410D),
 190           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 191         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 192                          0x0032,
 193                          PCI_VENDOR_ID_SAMSUNG,
 194                          0x410E),
 195           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 196         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 197                          0x0032,
 198                          PCI_VENDOR_ID_SAMSUNG,
 199                          0x410F),
 200           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 201         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 202                          0x0032,
 203                          PCI_VENDOR_ID_SAMSUNG,
 204                          0xC706),
 205           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 206         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 207                          0x0032,
 208                          PCI_VENDOR_ID_SAMSUNG,
 209                          0xC680),
 210           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 211         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 212                          0x0032,
 213                          PCI_VENDOR_ID_SAMSUNG,
 214                          0xC708),
 215           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 216         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 217                          0x0032,
 218                          PCI_VENDOR_ID_LENOVO,
 219                          0x3218),
 220           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 221         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 222                          0x0032,
 223                          PCI_VENDOR_ID_LENOVO,
 224                          0x3219),
 225           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 226
 227         /* AR9485 cards with PLL power-save disabled by default. */
 228         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 229                          0x0032,
 230                          PCI_VENDOR_ID_AZWAVE,
 231                          0x2C97),
 232           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 233         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 234                          0x0032,
 235                          PCI_VENDOR_ID_AZWAVE,
 236                          0x2100),
 237           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 238         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 239                          0x0032,
 240                          0x1C56, /* ASKEY */
 241                          0x4001),
 242           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 243         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 244                          0x0032,
 245                          0x11AD, /* LITEON */
 246                          0x6627),
 247           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 248         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 249                          0x0032,
 250                          0x11AD, /* LITEON */
 251                          0x6628),
 252           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 253         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 254                          0x0032,
 255                          PCI_VENDOR_ID_FOXCONN,
 256                          0xE04E),
 257           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 258         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 259                          0x0032,
 260                          PCI_VENDOR_ID_FOXCONN,
 261                          0xE04F),
 262           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 263         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 264                          0x0032,
 265                          0x144F, /* ASKEY */
 266                          0x7197),
 267           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 268         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 269                          0x0032,
 270                          0x1B9A, /* XAVI */
 271                          0x2000),
 272           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 273         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 274                          0x0032,
 275                          0x1B9A, /* XAVI */
 276                          0x2001),
 277           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 278         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 279                          0x0032,
 280                          PCI_VENDOR_ID_AZWAVE,
 281                          0x1186),
 282           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 283         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 284                          0x0032,
 285                          PCI_VENDOR_ID_AZWAVE,
 286                          0x1F86),
 287           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 288         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 289                          0x0032,
 290                          PCI_VENDOR_ID_AZWAVE,
 291                          0x1195),
 292           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 293         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 294                          0x0032,
 295                          PCI_VENDOR_ID_AZWAVE,
 296                          0x1F95),
 297           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 298         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 299                          0x0032,
 300                          0x1B9A, /* XAVI */
 301                          0x1C00),
 302           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 303         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 304                          0x0032,
 305                          0x1B9A, /* XAVI */
 306                          0x1C01),
 307           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 308         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 309                          0x0032,
 310                          PCI_VENDOR_ID_ASUSTEK,
 311                          0x850D),
 312           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 313 #endif
 314
 315         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 316         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 317
 318 #ifdef CONFIG_ATH9K_PCOEM
 319         /* PCI-E CUS217 */
 320         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 321                          0x0034,
 322                          PCI_VENDOR_ID_AZWAVE,
 323                          0x2116),
 324           .driver_data = ATH9K_PCI_CUS217 },
 325         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 326                          0x0034,
 327                          0x11AD, /* LITEON */
 328                          0x6661),
 329           .driver_data = ATH9K_PCI_CUS217 },
 330
 331         /* AR9462 with WoW support */
 332         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 333                          0x0034,
 334                          PCI_VENDOR_ID_ATHEROS,
 335                          0x3117),
 336           .driver_data = ATH9K_PCI_WOW },
 337         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 338                          0x0034,
 339                          PCI_VENDOR_ID_LENOVO,
 340                          0x3214),
 341           .driver_data = ATH9K_PCI_WOW },
 342         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 343                          0x0034,
 344                          PCI_VENDOR_ID_ATTANSIC,
 345                          0x0091),
 346           .driver_data = ATH9K_PCI_WOW },
 347         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 348                          0x0034,
 349                          PCI_VENDOR_ID_AZWAVE,
 350                          0x2110),
 351           .driver_data = ATH9K_PCI_WOW },
 352         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 353                          0x0034,
 354                          PCI_VENDOR_ID_ASUSTEK,
 355                          0x850E),
 356           .driver_data = ATH9K_PCI_WOW },
 357         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 358                          0x0034,
 359                          0x11AD, /* LITEON */
 360                          0x6631),
 361           .driver_data = ATH9K_PCI_WOW },
 362         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 363                          0x0034,
 364                          0x11AD, /* LITEON */
 365                          0x6641),
 366           .driver_data = ATH9K_PCI_WOW },
 367         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 368                          0x0034,
 369                          PCI_VENDOR_ID_HP,
 370                          0x1864),
 371           .driver_data = ATH9K_PCI_WOW },
 372         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 373                          0x0034,
 374                          0x14CD, /* USI */
 375                          0x0063),
 376           .driver_data = ATH9K_PCI_WOW },
 377         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 378                          0x0034,
 379                          0x14CD, /* USI */
 380                          0x0064),
 381           .driver_data = ATH9K_PCI_WOW },
 382         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 383                          0x0034,
 384                          0x10CF, /* Fujitsu */
 385                          0x1783),
 386           .driver_data = ATH9K_PCI_WOW },
 387
 388         /* Killer Wireless (2x2) */
 389         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 390                          0x0030,
 391                          0x1A56,
 392                          0x2003),
 393           .driver_data = ATH9K_PCI_KILLER },
 394
 395         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 396         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 397
 398         /* CUS252 */
 399         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 400                          0x0036,
 401                          PCI_VENDOR_ID_ATHEROS,
 402                          0x3028),
 403           .driver_data = ATH9K_PCI_CUS252 |
 404                          ATH9K_PCI_AR9565_2ANT |
 405                          ATH9K_PCI_BT_ANT_DIV },
 406         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 407                          0x0036,
 408                          PCI_VENDOR_ID_AZWAVE,
 409                          0x2176),
 410           .driver_data = ATH9K_PCI_CUS252 |
 411                          ATH9K_PCI_AR9565_2ANT |
 412                          ATH9K_PCI_BT_ANT_DIV },
 413
 414         /* WB335 1-ANT */
 415         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 416                          0x0036,
 417                          PCI_VENDOR_ID_FOXCONN,
 418                          0xE068),
 419           .driver_data = ATH9K_PCI_AR9565_1ANT },
 420         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 421                          0x0036,
 422                          0x185F, /* WNC */
 423                          0xA119),
 424           .driver_data = ATH9K_PCI_AR9565_1ANT },
 425         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 426                          0x0036,
 427                          0x11AD, /* LITEON */
 428                          0x0632),
 429           .driver_data = ATH9K_PCI_AR9565_1ANT },
 430         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 431                          0x0036,
 432                          0x11AD, /* LITEON */
 433                          0x06B2),
 434           .driver_data = ATH9K_PCI_AR9565_1ANT },
 435         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 436                          0x0036,
 437                          0x11AD, /* LITEON */
 438                          0x0842),
 439           .driver_data = ATH9K_PCI_AR9565_1ANT },
 440         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 441                          0x0036,
 442                          0x11AD, /* LITEON */
 443                          0x1842),
 444           .driver_data = ATH9K_PCI_AR9565_1ANT },
 445         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 446                          0x0036,
 447                          0x11AD, /* LITEON */
 448                          0x6671),
 449           .driver_data = ATH9K_PCI_AR9565_1ANT },
 450         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 451                          0x0036,
 452                          0x1B9A, /* XAVI */
 453                          0x2811),
 454           .driver_data = ATH9K_PCI_AR9565_1ANT },
 455         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 456                          0x0036,
 457                          0x1B9A, /* XAVI */
 458                          0x2812),
 459           .driver_data = ATH9K_PCI_AR9565_1ANT },
 460         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 461                          0x0036,
 462                          0x1B9A, /* XAVI */
 463                          0x28A1),
 464           .driver_data = ATH9K_PCI_AR9565_1ANT },
 465         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 466                          0x0036,
 467                          0x1B9A, /* XAVI */
 468                          0x28A3),
 469           .driver_data = ATH9K_PCI_AR9565_1ANT },
 470         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 471                          0x0036,
 472                          PCI_VENDOR_ID_AZWAVE,
 473                          0x218A),
 474           .driver_data = ATH9K_PCI_AR9565_1ANT },
 475         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 476                          0x0036,
 477                          PCI_VENDOR_ID_AZWAVE,
 478                          0x2F8A),
 479           .driver_data = ATH9K_PCI_AR9565_1ANT },
 480
 481         /* WB335 1-ANT / Antenna Diversity */
 482         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 483                          0x0036,
 484                          PCI_VENDOR_ID_ATHEROS,
 485                          0x3025),
 486           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 487         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 488                          0x0036,
 489                          PCI_VENDOR_ID_ATHEROS,
 490                          0x3026),
 491           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 492         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 493                          0x0036,
 494                          PCI_VENDOR_ID_ATHEROS,
 495                          0x302B),
 496           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 497         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 498                          0x0036,
 499                          PCI_VENDOR_ID_FOXCONN,
 500                          0xE069),
 501           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 502         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 503                          0x0036,
 504                          0x185F, /* WNC */
 505                          0x3028),
 506           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 507         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 508                          0x0036,
 509                          0x11AD, /* LITEON */
 510                          0x0622),
 511           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 512         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 513                          0x0036,
 514                          0x11AD, /* LITEON */
 515                          0x0672),
 516           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 517         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 518                          0x0036,
 519                          0x11AD, /* LITEON */
 520                          0x0662),
 521           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 522         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 523                          0x0036,
 524                          0x11AD, /* LITEON */
 525                          0x06A2),
 526           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 527         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 528                          0x0036,
 529                          0x11AD, /* LITEON */
 530                          0x0682),
 531           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 532         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 533                          0x0036,
 534                          PCI_VENDOR_ID_AZWAVE,
 535                          0x213A),
 536           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 537         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 538                          0x0036,
 539                          PCI_VENDOR_ID_AZWAVE,
 540                          0x213C),
 541           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 542         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 543                          0x0036,
 544                          PCI_VENDOR_ID_HP,
 545                          0x18E3),
 546           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 547         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 548                          0x0036,
 549                          PCI_VENDOR_ID_HP,
 550                          0x217F),
 551           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 552         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 553                          0x0036,
 554                          PCI_VENDOR_ID_HP,
 555                          0x2005),
 556           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 557         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 558                          0x0036,
 559                          PCI_VENDOR_ID_DELL,
 560                          0x020C),
 561           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 562
 563         /* WB335 2-ANT / Antenna-Diversity */
 564         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 565                          0x0036,
 566                          PCI_VENDOR_ID_SAMSUNG,
 567                          0x411A),
 568           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 569         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 570                          0x0036,
 571                          PCI_VENDOR_ID_SAMSUNG,
 572                          0x411B),
 573           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 574         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 575                          0x0036,
 576                          PCI_VENDOR_ID_SAMSUNG,
 577                          0x411C),
 578           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 579         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 580                          0x0036,
 581                          PCI_VENDOR_ID_SAMSUNG,
 582                          0x411D),
 583           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 584         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 585                          0x0036,
 586                          PCI_VENDOR_ID_SAMSUNG,
 587                          0x411E),
 588           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 589         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 590                          0x0036,
 591                          PCI_VENDOR_ID_SAMSUNG,
 592                          0x4129),
 593           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 594         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 595                          0x0036,
 596                          PCI_VENDOR_ID_SAMSUNG,
 597                          0x412A),
 598           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 599         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 600                          0x0036,
 601                          PCI_VENDOR_ID_ATHEROS,
 602                          0x3027),
 603           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 604         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 605                          0x0036,
 606                          PCI_VENDOR_ID_ATHEROS,
 607                          0x302C),
 608           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 609         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 610                          0x0036,
 611                          0x11AD, /* LITEON */
 612                          0x0642),
 613           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 614         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 615                          0x0036,
 616                          0x11AD, /* LITEON */
 617                          0x0652),
 618           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 619         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 620                          0x0036,
 621                          0x11AD, /* LITEON */
 622                          0x0612),
 623           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 624         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 625                          0x0036,
 626                          0x11AD, /* LITEON */
 627                          0x0832),
 628           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 629         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 630                          0x0036,
 631                          0x11AD, /* LITEON */
 632                          0x1832),
 633           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 634         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 635                          0x0036,
 636                          0x11AD, /* LITEON */
 637                          0x0692),
 638           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 639         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 640                          0x0036,
 641                          0x11AD, /* LITEON */
 642                          0x0803),
 643           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 644         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 645                          0x0036,
 646                          0x11AD, /* LITEON */
 647                          0x0813),
 648           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 649         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 650                          0x0036,
 651                          PCI_VENDOR_ID_AZWAVE,
 652                          0x2130),
 653           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 654         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 655                          0x0036,
 656                          PCI_VENDOR_ID_AZWAVE,
 657                          0x213B),
 658           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 659         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 660                          0x0036,
 661                          PCI_VENDOR_ID_AZWAVE,
 662                          0x2182),
 663           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 664         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 665                          0x0036,
 666                          PCI_VENDOR_ID_AZWAVE,
 667                          0x218B),
 668           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 669         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 670                          0x0036,
 671                          PCI_VENDOR_ID_AZWAVE,
 672                          0x218C),
 673           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 674         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 675                          0x0036,
 676                          PCI_VENDOR_ID_AZWAVE,
 677                          0x2F82),
 678           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 679         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 680                          0x0036,
 681                          0x144F, /* ASKEY */
 682                          0x7202),
 683           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 684         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 685                          0x0036,
 686                          0x1B9A, /* XAVI */
 687                          0x2810),
 688           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 689         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 690                          0x0036,
 691                          0x1B9A, /* XAVI */
 692                          0x2813),
 693           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 694         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 695                          0x0036,
 696                          0x1B9A, /* XAVI */
 697                          0x28A2),
 698           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 699         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 700                          0x0036,
 701                          0x1B9A, /* XAVI */
 702                          0x28A4),
 703           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 704         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 705                          0x0036,
 706                          0x185F, /* WNC */
 707                          0x3027),
 708           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 709         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 710                          0x0036,
 711                          0x185F, /* WNC */
 712                          0xA120),
 713           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 714         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 715                          0x0036,
 716                          PCI_VENDOR_ID_FOXCONN,
 717                          0xE07F),
 718           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 719         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 720                          0x0036,
 721                          PCI_VENDOR_ID_FOXCONN,
 722                          0xE08F),
 723           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 724         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 725                          0x0036,
 726                          PCI_VENDOR_ID_FOXCONN,
 727                          0xE081),
 728           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 729         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 730                          0x0036,
 731                          PCI_VENDOR_ID_FOXCONN,
 732                          0xE091),
 733           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 734         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 735                          0x0036,
 736                          PCI_VENDOR_ID_FOXCONN,
 737                          0xE099),
 738           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 739         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 740                          0x0036,
 741                          PCI_VENDOR_ID_LENOVO,
 742                          0x3026),
 743           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 744         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 745                          0x0036,
 746                          PCI_VENDOR_ID_LENOVO,
 747                          0x4026),
 748           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 749         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 750                          0x0036,
 751                          PCI_VENDOR_ID_ASUSTEK,
 752                          0x85F2),
 753           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 754         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 755                          0x0036,
 756                          PCI_VENDOR_ID_DELL,
 757                          0x020E),
 758           .driver_data = ATH9K_PCI_AR9565_2ANT |
 759                          ATH9K_PCI_BT_ANT_DIV |
 760                          ATH9K_PCI_LED_ACT_HI},
 761
 762         /* PCI-E AR9565 (WB335) */
 763         { PCI_VDEVICE(ATHEROS, 0x0036),
 764           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 765 #endif
 766
 767         { 0 }
 768 };
 769
 770
 771 /* return bus cachesize in 4B word units */
 772 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 773 {
 774         struct ath_softc *sc = (struct ath_softc *) common->priv;
 775         u8 u8tmp;
 776
 777         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 778         *csz = (int)u8tmp;
 779
 780         /*
 781          * This check was put in to avoid "unpleasant" consequences if
 782          * the bootrom has not fully initialized all PCI devices.
 783          * Sometimes the cache line size register is not set
 784          */
 785
 786         if (*csz == 0)
 787                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 788 }
 789
 790 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 791 {
 792         struct ath_softc *sc = (struct ath_softc *) common->priv;
 793         struct ath9k_platform_data *pdata = sc->dev->platform_data;
 794
 795         if (pdata && !pdata->use_eeprom) {
 796                 if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
 797                         ath_err(common,
 798                                 "%s: eeprom read failed, offset %08x is out of range\n",
 799                                 __func__, off);
 800                 }
 801
 802                 *data = pdata->eeprom_data[off];
 803         } else {
 804                 struct ath_hw *ah = (struct ath_hw *) common->ah;
 805
 806                 common->ops->read(ah, AR5416_EEPROM_OFFSET +
 807                                       (off << AR5416_EEPROM_S));
 808
 809                 if (!ath9k_hw_wait(ah,
 810                                    AR_EEPROM_STATUS_DATA,
 811                                    AR_EEPROM_STATUS_DATA_BUSY |
 812                                    AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 813                                    AH_WAIT_TIMEOUT)) {
 814                         return false;
 815                 }
 816
 817                 *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 818                            AR_EEPROM_STATUS_DATA_VAL);
 819         }
 820
 821         return true;
 822 }
 823
 824 /* Need to be called after we discover btcoex capabilities */
 825 static void ath_pci_aspm_init(struct ath_common *common)
 826 {
 827         struct ath_softc *sc = (struct ath_softc *) common->priv;
 828         struct ath_hw *ah = sc->sc_ah;
 829         struct pci_dev *pdev = to_pci_dev(sc->dev);
 830         struct pci_dev *parent;
 831         u16 aspm;
 832
 833         if (!ah->is_pciexpress)
 834                 return;
 835
 836         parent = pdev->bus->self;
 837         if (!parent)
 838                 return;
 839
 840         if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 841             (AR_SREV_9285(ah))) {
 842                 /* Bluetooth coexistence requires disabling ASPM. */
 843                 pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 844                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 845
 846                 /*
 847                  * Both upstream and downstream PCIe components should
 848                  * have the same ASPM settings.
 849                  */
 850                 pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 851                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 852
 853                 ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 854                 return;
 855         }
 856
 857         /*
 858          * 0x70c - Ack Frequency Register.
 859          *
 860          * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 861          *
 862          * 000 : 1 us
 863          * 001 : 2 us
 864          * 010 : 4 us
 865          * 011 : 8 us
 866          * 100 : 16 us
 867          * 101 : 32 us
 868          * 110/111 : 64 us
 869          */
 870         if (AR_SREV_9462(ah))
 871                 pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 872
 873         pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 874         if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
 875                 ah->aspm_enabled = true;
 876                 /* Initialize PCIe PM and SERDES registers. */
 877                 ath9k_hw_configpcipowersave(ah, false);
 878                 ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 879         }
 880 }
 881
 882 static const struct ath_bus_ops ath_pci_bus_ops = {
 883         .ath_bus_type = ATH_PCI,
 884         .read_cachesize = ath_pci_read_cachesize,
 885         .eeprom_read = ath_pci_eeprom_read,
 886         .aspm_init = ath_pci_aspm_init,
 887 };
 888
 889 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 890 {
 891         struct ath_softc *sc;
 892         struct ieee80211_hw *hw;
 893         u8 csz;
 894         u32 val;
 895         int ret = 0;
 896         char hw_name[64];
 897
 898         if (pcim_enable_device(pdev))
 899                 return -EIO;
 900
 901         ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 902         if (ret) {
 903                 pr_err("32-bit DMA not available\n");
 904                 return ret;
 905         }
 906
 907         ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 908         if (ret) {
 909                 pr_err("32-bit DMA consistent DMA enable failed\n");
 910                 return ret;
 911         }
 912
 913         /*
 914          * Cache line size is used to size and align various
 915          * structures used to communicate with the hardware.
 916          */
 917         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 918         if (csz == 0) {
 919                 /*
 920                  * Linux 2.4.18 (at least) writes the cache line size
 921                  * register as a 16-bit wide register which is wrong.
 922                  * We must have this setup properly for rx buffer
 923                  * DMA to work so force a reasonable value here if it
 924                  * comes up zero.
 925                  */
 926                 csz = L1_CACHE_BYTES / sizeof(u32);
 927                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 928         }
 929         /*
 930          * The default setting of latency timer yields poor results,
 931          * set it to the value used by other systems. It may be worth
 932          * tweaking this setting more.
 933          */
 934         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 935
 936         pci_set_master(pdev);
 937
 938         /*
 939          * Disable the RETRY_TIMEOUT register (0x41) to keep
 940          * PCI Tx retries from interfering with C3 CPU state.
 941          */
 942         pci_read_config_dword(pdev, 0x40, &val);
 943         if ((val & 0x0000ff00) != 0)
 944                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 945
 946         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 947         if (ret) {
 948                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
 949                 return -ENODEV;
 950         }
 951
 952         ath9k_fill_chanctx_ops();
 953         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 954         if (!hw) {
 955                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 956                 return -ENOMEM;
 957         }
 958
 959         SET_IEEE80211_DEV(hw, &pdev->dev);
 960         pci_set_drvdata(pdev, hw);
 961
 962         sc = hw->priv;
 963         sc->hw = hw;
 964         sc->dev = &pdev->dev;
 965         sc->mem = pcim_iomap_table(pdev)[0];
 966         sc->driver_data = id->driver_data;
 967
 968         ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 969         if (ret) {
 970                 dev_err(&pdev->dev, "request_irq failed\n");
 971                 goto err_irq;
 972         }
 973
 974         sc->irq = pdev->irq;
 975
 976         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 977         if (ret) {
 978                 dev_err(&pdev->dev, "Failed to initialize device\n");
 979                 goto err_init;
 980         }
 981
 982         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 983         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
 984                    hw_name, (unsigned long)sc->mem, pdev->irq);
 985
 986         return 0;
 987
 988 err_init:
 989         free_irq(sc->irq, sc);
 990 err_irq:
 991         ieee80211_free_hw(hw);
 992         return ret;
 993 }
 994
 995 static void ath_pci_remove(struct pci_dev *pdev)
 996 {
 997         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 998         struct ath_softc *sc = hw->priv;
 999
1000         if (!is_ath9k_unloaded)
1001                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
1002         ath9k_deinit_device(sc);
1003         free_irq(sc->irq, sc);
1004         ieee80211_free_hw(sc->hw);
1005 }
1006
1007 #ifdef CONFIG_PM_SLEEP
1008
1009 static int ath_pci_suspend(struct device *device)
1010 {
1011         struct pci_dev *pdev = to_pci_dev(device);
1012         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1013         struct ath_softc *sc = hw->priv;
1014         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1015
1016         if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1017                 dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1018                 return 0;
1019         }
1020
1021         /* The device has to be moved to FULLSLEEP forcibly.
1022          * Otherwise the chip never moved to full sleep,
1023          * when no interface is up.
1024          */
1025         ath9k_stop_btcoex(sc);
1026         ath9k_hw_disable(sc->sc_ah);
1027         del_timer_sync(&sc->sleep_timer);
1028         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1029
1030         return 0;
1031 }
1032
1033 static int ath_pci_resume(struct device *device)
1034 {
1035         struct pci_dev *pdev = to_pci_dev(device);
1036         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1037         struct ath_softc *sc = hw->priv;
1038         struct ath_hw *ah = sc->sc_ah;
1039         struct ath_common *common = ath9k_hw_common(ah);
1040         u32 val;
1041
1042         /*
1043          * Suspend/Resume resets the PCI configuration space, so we have to
1044          * re-disable the RETRY_TIMEOUT register (0x41) to keep
1045          * PCI Tx retries from interfering with C3 CPU state
1046          */
1047         pci_read_config_dword(pdev, 0x40, &val);
1048         if ((val & 0x0000ff00) != 0)
1049                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1050
1051         ath_pci_aspm_init(common);
1052         ah->reset_power_on = false;
1053
1054         return 0;
1055 }
1056
1057 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1058
1059 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
1060
1061 #else /* !CONFIG_PM_SLEEP */
1062
1063 #define ATH9K_PM_OPS    NULL
1064
1065 #endif /* !CONFIG_PM_SLEEP */
1066
1067
1068 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1069
1070 static struct pci_driver ath_pci_driver = {
1071         .name       = "ath9k",
1072         .id_table   = ath_pci_id_table,
1073         .probe      = ath_pci_probe,
1074         .remove     = ath_pci_remove,
1075         .driver.pm  = ATH9K_PM_OPS,
1076 };
1077
1078 int ath_pci_init(void)
1079 {
1080         return pci_register_driver(&ath_pci_driver);
1081 }
1082
1083 void ath_pci_exit(void)
1084 {
1085         pci_unregister_driver(&ath_pci_driver);
1086 }