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

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19 #include <linux/nl80211.h>
  20 #include <linux/pci.h>
  21 #include <linux/pci-aspm.h>
  22 #include <linux/module.h>
  23 #include "ath9k.h"
  24
  25 static const struct pci_device_id ath_pci_id_table[] = {
  26         { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  27         { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  28         { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  29
  30 #ifdef CONFIG_ATH9K_PCOEM
  31         /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  32         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  33                          0x0029,
  34                          PCI_VENDOR_ID_ATHEROS,
  35                          0x2096),
  36           .driver_data = ATH9K_PCI_LED_ACT_HI },
  37 #endif
  38
  39         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  40
  41 #ifdef CONFIG_ATH9K_PCOEM
  42         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  43                          0x002A,
  44                          PCI_VENDOR_ID_AZWAVE,
  45                          0x1C71),
  46           .driver_data = ATH9K_PCI_D3_L1_WAR },
  47         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  48                          0x002A,
  49                          PCI_VENDOR_ID_FOXCONN,
  50                          0xE01F),
  51           .driver_data = ATH9K_PCI_D3_L1_WAR },
  52         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  53                          0x002A,
  54                          0x11AD, /* LITEON */
  55                          0x6632),
  56           .driver_data = ATH9K_PCI_D3_L1_WAR },
  57         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  58                          0x002A,
  59                          0x11AD, /* LITEON */
  60                          0x6642),
  61           .driver_data = ATH9K_PCI_D3_L1_WAR },
  62         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  63                          0x002A,
  64                          PCI_VENDOR_ID_QMI,
  65                          0x0306),
  66           .driver_data = ATH9K_PCI_D3_L1_WAR },
  67         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  68                          0x002A,
  69                          0x185F, /* WNC */
  70                          0x309D),
  71           .driver_data = ATH9K_PCI_D3_L1_WAR },
  72         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  73                          0x002A,
  74                          0x10CF, /* Fujitsu */
  75                          0x147C),
  76           .driver_data = ATH9K_PCI_D3_L1_WAR },
  77         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  78                          0x002A,
  79                          0x10CF, /* Fujitsu */
  80                          0x147D),
  81           .driver_data = ATH9K_PCI_D3_L1_WAR },
  82         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  83                          0x002A,
  84                          0x10CF, /* Fujitsu */
  85                          0x1536),
  86           .driver_data = ATH9K_PCI_D3_L1_WAR },
  87 #endif
  88
  89         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  90
  91 #ifdef CONFIG_ATH9K_PCOEM
  92         /* AR9285 card for Asus */
  93         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  94                          0x002B,
  95                          PCI_VENDOR_ID_AZWAVE,
  96                          0x2C37),
  97           .driver_data = ATH9K_PCI_BT_ANT_DIV },
  98 #endif
  99
 100         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 101         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 102         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 103         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 104
 105         /* Killer Wireless (3x3) */
 106         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 107                          0x0030,
 108                          0x1A56,
 109                          0x2000),
 110           .driver_data = ATH9K_PCI_KILLER },
 111         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 112                          0x0030,
 113                          0x1A56,
 114                          0x2001),
 115           .driver_data = ATH9K_PCI_KILLER },
 116
 117         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 118
 119 #ifdef CONFIG_ATH9K_PCOEM
 120         /* PCI-E CUS198 */
 121         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 122                          0x0032,
 123                          PCI_VENDOR_ID_AZWAVE,
 124                          0x2086),
 125           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 126         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 127                          0x0032,
 128                          PCI_VENDOR_ID_AZWAVE,
 129                          0x1237),
 130           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 131         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 132                          0x0032,
 133                          PCI_VENDOR_ID_AZWAVE,
 134                          0x2126),
 135           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 136         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 137                          0x0032,
 138                          PCI_VENDOR_ID_AZWAVE,
 139                          0x126A),
 140           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 141
 142         /* PCI-E CUS230 */
 143         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 144                          0x0032,
 145                          PCI_VENDOR_ID_AZWAVE,
 146                          0x2152),
 147           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 148         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 149                          0x0032,
 150                          PCI_VENDOR_ID_FOXCONN,
 151                          0xE075),
 152           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 153
 154         /* WB225 */
 155         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 156                          0x0032,
 157                          PCI_VENDOR_ID_ATHEROS,
 158                          0x3119),
 159           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 160         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 161                          0x0032,
 162                          PCI_VENDOR_ID_ATHEROS,
 163                          0x3122),
 164           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 165         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 166                          0x0032,
 167                          0x185F, /* WNC */
 168                          0x3119),
 169           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 170         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 171                          0x0032,
 172                          0x185F, /* WNC */
 173                          0x3027),
 174           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 175         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 176                          0x0032,
 177                          PCI_VENDOR_ID_SAMSUNG,
 178                          0x4105),
 179           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 180         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 181                          0x0032,
 182                          PCI_VENDOR_ID_SAMSUNG,
 183                          0x4106),
 184           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 185         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 186                          0x0032,
 187                          PCI_VENDOR_ID_SAMSUNG,
 188                          0x410D),
 189           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 190         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 191                          0x0032,
 192                          PCI_VENDOR_ID_SAMSUNG,
 193                          0x410E),
 194           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 195         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 196                          0x0032,
 197                          PCI_VENDOR_ID_SAMSUNG,
 198                          0x410F),
 199           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 200         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 201                          0x0032,
 202                          PCI_VENDOR_ID_SAMSUNG,
 203                          0xC706),
 204           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 205         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 206                          0x0032,
 207                          PCI_VENDOR_ID_SAMSUNG,
 208                          0xC680),
 209           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 210         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 211                          0x0032,
 212                          PCI_VENDOR_ID_SAMSUNG,
 213                          0xC708),
 214           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 215         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 216                          0x0032,
 217                          PCI_VENDOR_ID_LENOVO,
 218                          0x3218),
 219           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 220         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 221                          0x0032,
 222                          PCI_VENDOR_ID_LENOVO,
 223                          0x3219),
 224           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 225
 226         /* AR9485 cards with PLL power-save disabled by default. */
 227         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 228                          0x0032,
 229                          PCI_VENDOR_ID_AZWAVE,
 230                          0x2C97),
 231           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 232         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 233                          0x0032,
 234                          PCI_VENDOR_ID_AZWAVE,
 235                          0x2100),
 236           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 237         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 238                          0x0032,
 239                          0x1C56, /* ASKEY */
 240                          0x4001),
 241           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 242         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 243                          0x0032,
 244                          0x11AD, /* LITEON */
 245                          0x6627),
 246           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 247         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 248                          0x0032,
 249                          0x11AD, /* LITEON */
 250                          0x6628),
 251           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 252         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 253                          0x0032,
 254                          PCI_VENDOR_ID_FOXCONN,
 255                          0xE04E),
 256           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 257         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 258                          0x0032,
 259                          PCI_VENDOR_ID_FOXCONN,
 260                          0xE04F),
 261           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 262         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 263                          0x0032,
 264                          0x144F, /* ASKEY */
 265                          0x7197),
 266           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 267         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 268                          0x0032,
 269                          0x1B9A, /* XAVI */
 270                          0x2000),
 271           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 272         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 273                          0x0032,
 274                          0x1B9A, /* XAVI */
 275                          0x2001),
 276           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 277         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 278                          0x0032,
 279                          PCI_VENDOR_ID_AZWAVE,
 280                          0x1186),
 281           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 282         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 283                          0x0032,
 284                          PCI_VENDOR_ID_AZWAVE,
 285                          0x1F86),
 286           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 287         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 288                          0x0032,
 289                          PCI_VENDOR_ID_AZWAVE,
 290                          0x1195),
 291           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 292         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 293                          0x0032,
 294                          PCI_VENDOR_ID_AZWAVE,
 295                          0x1F95),
 296           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 297         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 298                          0x0032,
 299                          0x1B9A, /* XAVI */
 300                          0x1C00),
 301           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 302         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 303                          0x0032,
 304                          0x1B9A, /* XAVI */
 305                          0x1C01),
 306           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 307         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 308                          0x0032,
 309                          PCI_VENDOR_ID_ASUSTEK,
 310                          0x850D),
 311           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 312 #endif
 313
 314         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 315         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 316
 317 #ifdef CONFIG_ATH9K_PCOEM
 318         /* PCI-E CUS217 */
 319         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 320                          0x0034,
 321                          PCI_VENDOR_ID_AZWAVE,
 322                          0x2116),
 323           .driver_data = ATH9K_PCI_CUS217 },
 324         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 325                          0x0034,
 326                          0x11AD, /* LITEON */
 327                          0x6661),
 328           .driver_data = ATH9K_PCI_CUS217 },
 329
 330         /* AR9462 with WoW support */
 331         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 332                          0x0034,
 333                          PCI_VENDOR_ID_ATHEROS,
 334                          0x3117),
 335           .driver_data = ATH9K_PCI_WOW },
 336         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 337                          0x0034,
 338                          PCI_VENDOR_ID_LENOVO,
 339                          0x3214),
 340           .driver_data = ATH9K_PCI_WOW },
 341         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 342                          0x0034,
 343                          PCI_VENDOR_ID_ATTANSIC,
 344                          0x0091),
 345           .driver_data = ATH9K_PCI_WOW },
 346         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 347                          0x0034,
 348                          PCI_VENDOR_ID_AZWAVE,
 349                          0x2110),
 350           .driver_data = ATH9K_PCI_WOW },
 351         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 352                          0x0034,
 353                          PCI_VENDOR_ID_ASUSTEK,
 354                          0x850E),
 355           .driver_data = ATH9K_PCI_WOW },
 356         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 357                          0x0034,
 358                          0x11AD, /* LITEON */
 359                          0x6631),
 360           .driver_data = ATH9K_PCI_WOW },
 361         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 362                          0x0034,
 363                          0x11AD, /* LITEON */
 364                          0x6641),
 365           .driver_data = ATH9K_PCI_WOW },
 366         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 367                          0x0034,
 368                          PCI_VENDOR_ID_HP,
 369                          0x1864),
 370           .driver_data = ATH9K_PCI_WOW },
 371         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 372                          0x0034,
 373                          0x14CD, /* USI */
 374                          0x0063),
 375           .driver_data = ATH9K_PCI_WOW },
 376         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 377                          0x0034,
 378                          0x14CD, /* USI */
 379                          0x0064),
 380           .driver_data = ATH9K_PCI_WOW },
 381         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 382                          0x0034,
 383                          0x10CF, /* Fujitsu */
 384                          0x1783),
 385           .driver_data = ATH9K_PCI_WOW },
 386         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 387                          0x0034,
 388                          PCI_VENDOR_ID_DELL,
 389                          0x020B),
 390           .driver_data = ATH9K_PCI_WOW },
 391         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 392                          0x0034,
 393                          PCI_VENDOR_ID_DELL,
 394                          0x0300),
 395           .driver_data = ATH9K_PCI_WOW },
 396
 397         /* Killer Wireless (2x2) */
 398         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 399                          0x0030,
 400                          0x1A56,
 401                          0x2003),
 402           .driver_data = ATH9K_PCI_KILLER },
 403
 404         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 405         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 406
 407         /* CUS252 */
 408         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 409                          0x0036,
 410                          PCI_VENDOR_ID_ATHEROS,
 411                          0x3028),
 412           .driver_data = ATH9K_PCI_CUS252 |
 413                          ATH9K_PCI_AR9565_2ANT |
 414                          ATH9K_PCI_BT_ANT_DIV },
 415         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 416                          0x0036,
 417                          PCI_VENDOR_ID_AZWAVE,
 418                          0x2176),
 419           .driver_data = ATH9K_PCI_CUS252 |
 420                          ATH9K_PCI_AR9565_2ANT |
 421                          ATH9K_PCI_BT_ANT_DIV },
 422
 423         /* WB335 1-ANT */
 424         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 425                          0x0036,
 426                          PCI_VENDOR_ID_FOXCONN,
 427                          0xE068),
 428           .driver_data = ATH9K_PCI_AR9565_1ANT },
 429         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 430                          0x0036,
 431                          0x185F, /* WNC */
 432                          0xA119),
 433           .driver_data = ATH9K_PCI_AR9565_1ANT },
 434         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 435                          0x0036,
 436                          0x11AD, /* LITEON */
 437                          0x0632),
 438           .driver_data = ATH9K_PCI_AR9565_1ANT },
 439         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 440                          0x0036,
 441                          0x11AD, /* LITEON */
 442                          0x06B2),
 443           .driver_data = ATH9K_PCI_AR9565_1ANT },
 444         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 445                          0x0036,
 446                          0x11AD, /* LITEON */
 447                          0x0842),
 448           .driver_data = ATH9K_PCI_AR9565_1ANT },
 449         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 450                          0x0036,
 451                          0x11AD, /* LITEON */
 452                          0x1842),
 453           .driver_data = ATH9K_PCI_AR9565_1ANT },
 454         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 455                          0x0036,
 456                          0x11AD, /* LITEON */
 457                          0x6671),
 458           .driver_data = ATH9K_PCI_AR9565_1ANT },
 459         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 460                          0x0036,
 461                          0x1B9A, /* XAVI */
 462                          0x2811),
 463           .driver_data = ATH9K_PCI_AR9565_1ANT },
 464         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 465                          0x0036,
 466                          0x1B9A, /* XAVI */
 467                          0x2812),
 468           .driver_data = ATH9K_PCI_AR9565_1ANT },
 469         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 470                          0x0036,
 471                          0x1B9A, /* XAVI */
 472                          0x28A1),
 473           .driver_data = ATH9K_PCI_AR9565_1ANT },
 474         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 475                          0x0036,
 476                          0x1B9A, /* XAVI */
 477                          0x28A3),
 478           .driver_data = ATH9K_PCI_AR9565_1ANT },
 479         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 480                          0x0036,
 481                          PCI_VENDOR_ID_AZWAVE,
 482                          0x218A),
 483           .driver_data = ATH9K_PCI_AR9565_1ANT },
 484         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 485                          0x0036,
 486                          PCI_VENDOR_ID_AZWAVE,
 487                          0x2F8A),
 488           .driver_data = ATH9K_PCI_AR9565_1ANT },
 489
 490         /* WB335 1-ANT / Antenna Diversity */
 491         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 492                          0x0036,
 493                          PCI_VENDOR_ID_ATHEROS,
 494                          0x3025),
 495           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 496         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 497                          0x0036,
 498                          PCI_VENDOR_ID_ATHEROS,
 499                          0x3026),
 500           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 501         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 502                          0x0036,
 503                          PCI_VENDOR_ID_ATHEROS,
 504                          0x302B),
 505           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 506         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 507                          0x0036,
 508                          PCI_VENDOR_ID_FOXCONN,
 509                          0xE069),
 510           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 511         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 512                          0x0036,
 513                          0x185F, /* WNC */
 514                          0x3028),
 515           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 516         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 517                          0x0036,
 518                          0x11AD, /* LITEON */
 519                          0x0622),
 520           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 521         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 522                          0x0036,
 523                          0x11AD, /* LITEON */
 524                          0x0672),
 525           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 526         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 527                          0x0036,
 528                          0x11AD, /* LITEON */
 529                          0x0662),
 530           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 531         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 532                          0x0036,
 533                          0x11AD, /* LITEON */
 534                          0x06A2),
 535           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 536         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 537                          0x0036,
 538                          0x11AD, /* LITEON */
 539                          0x0682),
 540           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 541         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 542                          0x0036,
 543                          PCI_VENDOR_ID_AZWAVE,
 544                          0x213A),
 545           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 546         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 547                          0x0036,
 548                          PCI_VENDOR_ID_AZWAVE,
 549                          0x213C),
 550           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 551         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 552                          0x0036,
 553                          PCI_VENDOR_ID_HP,
 554                          0x18E3),
 555           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 556         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 557                          0x0036,
 558                          PCI_VENDOR_ID_HP,
 559                          0x217F),
 560           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 561         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 562                          0x0036,
 563                          PCI_VENDOR_ID_HP,
 564                          0x2005),
 565           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 566         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 567                          0x0036,
 568                          PCI_VENDOR_ID_DELL,
 569                          0x020C),
 570           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 571
 572         /* WB335 2-ANT / Antenna-Diversity */
 573         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 574                          0x0036,
 575                          PCI_VENDOR_ID_SAMSUNG,
 576                          0x411A),
 577           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 578         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 579                          0x0036,
 580                          PCI_VENDOR_ID_SAMSUNG,
 581                          0x411B),
 582           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 583         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 584                          0x0036,
 585                          PCI_VENDOR_ID_SAMSUNG,
 586                          0x411C),
 587           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 588         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 589                          0x0036,
 590                          PCI_VENDOR_ID_SAMSUNG,
 591                          0x411D),
 592           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 593         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 594                          0x0036,
 595                          PCI_VENDOR_ID_SAMSUNG,
 596                          0x411E),
 597           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 598         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 599                          0x0036,
 600                          PCI_VENDOR_ID_SAMSUNG,
 601                          0x4129),
 602           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 603         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 604                          0x0036,
 605                          PCI_VENDOR_ID_SAMSUNG,
 606                          0x412A),
 607           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 608         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 609                          0x0036,
 610                          PCI_VENDOR_ID_ATHEROS,
 611                          0x3027),
 612           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 613         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 614                          0x0036,
 615                          PCI_VENDOR_ID_ATHEROS,
 616                          0x302C),
 617           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 618         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 619                          0x0036,
 620                          0x11AD, /* LITEON */
 621                          0x0642),
 622           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 623         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 624                          0x0036,
 625                          0x11AD, /* LITEON */
 626                          0x0652),
 627           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 628         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 629                          0x0036,
 630                          0x11AD, /* LITEON */
 631                          0x0612),
 632           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 633         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 634                          0x0036,
 635                          0x11AD, /* LITEON */
 636                          0x0832),
 637           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 638         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 639                          0x0036,
 640                          0x11AD, /* LITEON */
 641                          0x1832),
 642           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 643         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 644                          0x0036,
 645                          0x11AD, /* LITEON */
 646                          0x0692),
 647           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 648         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 649                          0x0036,
 650                          0x11AD, /* LITEON */
 651                          0x0803),
 652           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 653         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 654                          0x0036,
 655                          0x11AD, /* LITEON */
 656                          0x0813),
 657           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 658         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 659                          0x0036,
 660                          PCI_VENDOR_ID_AZWAVE,
 661                          0x2130),
 662           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 663         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 664                          0x0036,
 665                          PCI_VENDOR_ID_AZWAVE,
 666                          0x213B),
 667           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 668         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 669                          0x0036,
 670                          PCI_VENDOR_ID_AZWAVE,
 671                          0x2182),
 672           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 673         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 674                          0x0036,
 675                          PCI_VENDOR_ID_AZWAVE,
 676                          0x218B),
 677           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 678         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 679                          0x0036,
 680                          PCI_VENDOR_ID_AZWAVE,
 681                          0x218C),
 682           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 683         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 684                          0x0036,
 685                          PCI_VENDOR_ID_AZWAVE,
 686                          0x2F82),
 687           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 688         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 689                          0x0036,
 690                          0x144F, /* ASKEY */
 691                          0x7202),
 692           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 693         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 694                          0x0036,
 695                          0x1B9A, /* XAVI */
 696                          0x2810),
 697           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 698         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 699                          0x0036,
 700                          0x1B9A, /* XAVI */
 701                          0x2813),
 702           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 703         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 704                          0x0036,
 705                          0x1B9A, /* XAVI */
 706                          0x28A2),
 707           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 708         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 709                          0x0036,
 710                          0x1B9A, /* XAVI */
 711                          0x28A4),
 712           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 713         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 714                          0x0036,
 715                          0x185F, /* WNC */
 716                          0x3027),
 717           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 718         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 719                          0x0036,
 720                          0x185F, /* WNC */
 721                          0xA120),
 722           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 723         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 724                          0x0036,
 725                          PCI_VENDOR_ID_FOXCONN,
 726                          0xE07F),
 727           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 728         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 729                          0x0036,
 730                          PCI_VENDOR_ID_FOXCONN,
 731                          0xE08F),
 732           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 733         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 734                          0x0036,
 735                          PCI_VENDOR_ID_FOXCONN,
 736                          0xE081),
 737           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 738         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 739                          0x0036,
 740                          PCI_VENDOR_ID_FOXCONN,
 741                          0xE091),
 742           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 743         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 744                          0x0036,
 745                          PCI_VENDOR_ID_FOXCONN,
 746                          0xE099),
 747           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 748         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 749                          0x0036,
 750                          PCI_VENDOR_ID_LENOVO,
 751                          0x3026),
 752           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 753         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 754                          0x0036,
 755                          PCI_VENDOR_ID_LENOVO,
 756                          0x4026),
 757           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 758         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 759                          0x0036,
 760                          PCI_VENDOR_ID_ASUSTEK,
 761                          0x85F2),
 762           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 763         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 764                          0x0036,
 765                          PCI_VENDOR_ID_DELL,
 766                          0x020E),
 767           .driver_data = ATH9K_PCI_AR9565_2ANT |
 768                          ATH9K_PCI_BT_ANT_DIV |
 769                          ATH9K_PCI_LED_ACT_HI},
 770
 771         /* PCI-E AR9565 (WB335) */
 772         { PCI_VDEVICE(ATHEROS, 0x0036),
 773           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 774 #endif
 775
 776         { 0 }
 777 };
 778
 779
 780 /* return bus cachesize in 4B word units */
 781 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 782 {
 783         struct ath_softc *sc = (struct ath_softc *) common->priv;
 784         u8 u8tmp;
 785
 786         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 787         *csz = (int)u8tmp;
 788
 789         /*
 790          * This check was put in to avoid "unpleasant" consequences if
 791          * the bootrom has not fully initialized all PCI devices.
 792          * Sometimes the cache line size register is not set
 793          */
 794
 795         if (*csz == 0)
 796                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 797 }
 798
 799 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 800 {
 801         struct ath_hw *ah = (struct ath_hw *) common->ah;
 802
 803         common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 804
 805         if (!ath9k_hw_wait(ah,
 806                                 AR_EEPROM_STATUS_DATA,
 807                                 AR_EEPROM_STATUS_DATA_BUSY |
 808                                 AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 809                                 AH_WAIT_TIMEOUT)) {
 810                 return false;
 811         }
 812
 813         *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 814                         AR_EEPROM_STATUS_DATA_VAL);
 815
 816         return true;
 817 }
 818
 819 /* Need to be called after we discover btcoex capabilities */
 820 static void ath_pci_aspm_init(struct ath_common *common)
 821 {
 822         struct ath_softc *sc = (struct ath_softc *) common->priv;
 823         struct ath_hw *ah = sc->sc_ah;
 824         struct pci_dev *pdev = to_pci_dev(sc->dev);
 825         struct pci_dev *parent;
 826         u16 aspm;
 827
 828         if (!ah->is_pciexpress)
 829                 return;
 830
 831         parent = pdev->bus->self;
 832         if (!parent)
 833                 return;
 834
 835         if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 836             (AR_SREV_9285(ah))) {
 837                 /* Bluetooth coexistence requires disabling ASPM. */
 838                 pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 839                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 840
 841                 /*
 842                  * Both upstream and downstream PCIe components should
 843                  * have the same ASPM settings.
 844                  */
 845                 pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 846                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 847
 848                 ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 849                 return;
 850         }
 851
 852         /*
 853          * 0x70c - Ack Frequency Register.
 854          *
 855          * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 856          *
 857          * 000 : 1 us
 858          * 001 : 2 us
 859          * 010 : 4 us
 860          * 011 : 8 us
 861          * 100 : 16 us
 862          * 101 : 32 us
 863          * 110/111 : 64 us
 864          */
 865         if (AR_SREV_9462(ah))
 866                 pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 867
 868         pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 869         if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
 870                 ah->aspm_enabled = true;
 871                 /* Initialize PCIe PM and SERDES registers. */
 872                 ath9k_hw_configpcipowersave(ah, false);
 873                 ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 874         }
 875 }
 876
 877 static const struct ath_bus_ops ath_pci_bus_ops = {
 878         .ath_bus_type = ATH_PCI,
 879         .read_cachesize = ath_pci_read_cachesize,
 880         .eeprom_read = ath_pci_eeprom_read,
 881         .aspm_init = ath_pci_aspm_init,
 882 };
 883
 884 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 885 {
 886         struct ath_softc *sc;
 887         struct ieee80211_hw *hw;
 888         u8 csz;
 889         u32 val;
 890         int ret = 0;
 891         char hw_name[64];
 892
 893         if (pcim_enable_device(pdev))
 894                 return -EIO;
 895
 896         ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 897         if (ret) {
 898                 pr_err("32-bit DMA not available\n");
 899                 return ret;
 900         }
 901
 902         ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 903         if (ret) {
 904                 pr_err("32-bit DMA consistent DMA enable failed\n");
 905                 return ret;
 906         }
 907
 908         /*
 909          * Cache line size is used to size and align various
 910          * structures used to communicate with the hardware.
 911          */
 912         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 913         if (csz == 0) {
 914                 /*
 915                  * Linux 2.4.18 (at least) writes the cache line size
 916                  * register as a 16-bit wide register which is wrong.
 917                  * We must have this setup properly for rx buffer
 918                  * DMA to work so force a reasonable value here if it
 919                  * comes up zero.
 920                  */
 921                 csz = L1_CACHE_BYTES / sizeof(u32);
 922                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 923         }
 924         /*
 925          * The default setting of latency timer yields poor results,
 926          * set it to the value used by other systems. It may be worth
 927          * tweaking this setting more.
 928          */
 929         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 930
 931         pci_set_master(pdev);
 932
 933         /*
 934          * Disable the RETRY_TIMEOUT register (0x41) to keep
 935          * PCI Tx retries from interfering with C3 CPU state.
 936          */
 937         pci_read_config_dword(pdev, 0x40, &val);
 938         if ((val & 0x0000ff00) != 0)
 939                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 940
 941         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 942         if (ret) {
 943                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
 944                 return -ENODEV;
 945         }
 946
 947         ath9k_fill_chanctx_ops();
 948         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 949         if (!hw) {
 950                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 951                 return -ENOMEM;
 952         }
 953
 954         SET_IEEE80211_DEV(hw, &pdev->dev);
 955         pci_set_drvdata(pdev, hw);
 956
 957         sc = hw->priv;
 958         sc->hw = hw;
 959         sc->dev = &pdev->dev;
 960         sc->mem = pcim_iomap_table(pdev)[0];
 961         sc->driver_data = id->driver_data;
 962
 963         ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 964         if (ret) {
 965                 dev_err(&pdev->dev, "request_irq failed\n");
 966                 goto err_irq;
 967         }
 968
 969         sc->irq = pdev->irq;
 970
 971         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 972         if (ret) {
 973                 dev_err(&pdev->dev, "Failed to initialize device\n");
 974                 goto err_init;
 975         }
 976
 977         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 978         wiphy_info(hw->wiphy, "%s mem=0x%p, irq=%d\n",
 979                    hw_name, sc->mem, pdev->irq);
 980
 981         return 0;
 982
 983 err_init:
 984         free_irq(sc->irq, sc);
 985 err_irq:
 986         ieee80211_free_hw(hw);
 987         return ret;
 988 }
 989
 990 static void ath_pci_remove(struct pci_dev *pdev)
 991 {
 992         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 993         struct ath_softc *sc = hw->priv;
 994
 995         if (!is_ath9k_unloaded)
 996                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
 997         ath9k_deinit_device(sc);
 998         free_irq(sc->irq, sc);
 999         ieee80211_free_hw(sc->hw);
1000 }
1001
1002 #ifdef CONFIG_PM_SLEEP
1003
1004 static int ath_pci_suspend(struct device *device)
1005 {
1006         struct pci_dev *pdev = to_pci_dev(device);
1007         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1008         struct ath_softc *sc = hw->priv;
1009         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1010
1011         if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1012                 dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1013                 return 0;
1014         }
1015
1016         /* The device has to be moved to FULLSLEEP forcibly.
1017          * Otherwise the chip never moved to full sleep,
1018          * when no interface is up.
1019          */
1020         ath9k_stop_btcoex(sc);
1021         ath9k_hw_disable(sc->sc_ah);
1022         del_timer_sync(&sc->sleep_timer);
1023         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1024
1025         return 0;
1026 }
1027
1028 static int ath_pci_resume(struct device *device)
1029 {
1030         struct pci_dev *pdev = to_pci_dev(device);
1031         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1032         struct ath_softc *sc = hw->priv;
1033         struct ath_hw *ah = sc->sc_ah;
1034         struct ath_common *common = ath9k_hw_common(ah);
1035         u32 val;
1036
1037         /*
1038          * Suspend/Resume resets the PCI configuration space, so we have to
1039          * re-disable the RETRY_TIMEOUT register (0x41) to keep
1040          * PCI Tx retries from interfering with C3 CPU state
1041          */
1042         pci_read_config_dword(pdev, 0x40, &val);
1043         if ((val & 0x0000ff00) != 0)
1044                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1045
1046         ath_pci_aspm_init(common);
1047         ah->reset_power_on = false;
1048
1049         return 0;
1050 }
1051
1052 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1053
1054 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
1055
1056 #else /* !CONFIG_PM_SLEEP */
1057
1058 #define ATH9K_PM_OPS    NULL
1059
1060 #endif /* !CONFIG_PM_SLEEP */
1061
1062
1063 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1064
1065 static struct pci_driver ath_pci_driver = {
1066         .name       = "ath9k",
1067         .id_table   = ath_pci_id_table,
1068         .probe      = ath_pci_probe,
1069         .remove     = ath_pci_remove,
1070         .driver.pm  = ATH9K_PM_OPS,
1071 };
1072
1073 int ath_pci_init(void)
1074 {
1075         return pci_register_driver(&ath_pci_driver);
1076 }
1077
1078 void ath_pci_exit(void)
1079 {
1080         pci_unregister_driver(&ath_pci_driver);
1081 }