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 extern int ath9k_use_msi;
  26
  27 static const struct pci_device_id ath_pci_id_table[] = {
  28         { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  29         { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  30         { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  31
  32 #ifdef CONFIG_ATH9K_PCOEM
  33         /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  34         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  35                          0x0029,
  36                          PCI_VENDOR_ID_ATHEROS,
  37                          0x2096),
  38           .driver_data = ATH9K_PCI_LED_ACT_HI },
  39 #endif
  40
  41         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  42
  43 #ifdef CONFIG_ATH9K_PCOEM
  44         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  45                          0x002A,
  46                          PCI_VENDOR_ID_AZWAVE,
  47                          0x1C71),
  48           .driver_data = ATH9K_PCI_D3_L1_WAR },
  49         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  50                          0x002A,
  51                          PCI_VENDOR_ID_FOXCONN,
  52                          0xE01F),
  53           .driver_data = ATH9K_PCI_D3_L1_WAR },
  54         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  55                          0x002A,
  56                          0x11AD, /* LITEON */
  57                          0x6632),
  58           .driver_data = ATH9K_PCI_D3_L1_WAR },
  59         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  60                          0x002A,
  61                          0x11AD, /* LITEON */
  62                          0x6642),
  63           .driver_data = ATH9K_PCI_D3_L1_WAR },
  64         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  65                          0x002A,
  66                          PCI_VENDOR_ID_QMI,
  67                          0x0306),
  68           .driver_data = ATH9K_PCI_D3_L1_WAR },
  69         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  70                          0x002A,
  71                          0x185F, /* WNC */
  72                          0x309D),
  73           .driver_data = ATH9K_PCI_D3_L1_WAR },
  74         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  75                          0x002A,
  76                          0x10CF, /* Fujitsu */
  77                          0x147C),
  78           .driver_data = ATH9K_PCI_D3_L1_WAR },
  79         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  80                          0x002A,
  81                          0x10CF, /* Fujitsu */
  82                          0x147D),
  83           .driver_data = ATH9K_PCI_D3_L1_WAR },
  84         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  85                          0x002A,
  86                          0x10CF, /* Fujitsu */
  87                          0x1536),
  88           .driver_data = ATH9K_PCI_D3_L1_WAR },
  89 #endif
  90
  91         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  92
  93 #ifdef CONFIG_ATH9K_PCOEM
  94         /* AR9285 card for Asus */
  95         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  96                          0x002B,
  97                          PCI_VENDOR_ID_AZWAVE,
  98                          0x2C37),
  99           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 100 #endif
 101
 102         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 103         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 104         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 105         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 106
 107         /* Killer Wireless (3x3) */
 108         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 109                          0x0030,
 110                          0x1A56,
 111                          0x2000),
 112           .driver_data = ATH9K_PCI_KILLER },
 113         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 114                          0x0030,
 115                          0x1A56,
 116                          0x2001),
 117           .driver_data = ATH9K_PCI_KILLER },
 118
 119         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 120
 121 #ifdef CONFIG_ATH9K_PCOEM
 122         /* PCI-E CUS198 */
 123         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 124                          0x0032,
 125                          PCI_VENDOR_ID_AZWAVE,
 126                          0x2086),
 127           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 128         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 129                          0x0032,
 130                          PCI_VENDOR_ID_AZWAVE,
 131                          0x1237),
 132           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 133         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 134                          0x0032,
 135                          PCI_VENDOR_ID_AZWAVE,
 136                          0x2126),
 137           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 138         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 139                          0x0032,
 140                          PCI_VENDOR_ID_AZWAVE,
 141                          0x126A),
 142           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 143
 144         /* PCI-E CUS230 */
 145         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 146                          0x0032,
 147                          PCI_VENDOR_ID_AZWAVE,
 148                          0x2152),
 149           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 150         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 151                          0x0032,
 152                          PCI_VENDOR_ID_FOXCONN,
 153                          0xE075),
 154           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 155
 156         /* WB225 */
 157         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 158                          0x0032,
 159                          PCI_VENDOR_ID_ATHEROS,
 160                          0x3119),
 161           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 162         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 163                          0x0032,
 164                          PCI_VENDOR_ID_ATHEROS,
 165                          0x3122),
 166           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 167         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 168                          0x0032,
 169                          0x185F, /* WNC */
 170                          0x3119),
 171           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 172         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 173                          0x0032,
 174                          0x185F, /* WNC */
 175                          0x3027),
 176           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 177         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 178                          0x0032,
 179                          PCI_VENDOR_ID_SAMSUNG,
 180                          0x4105),
 181           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 182         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 183                          0x0032,
 184                          PCI_VENDOR_ID_SAMSUNG,
 185                          0x4106),
 186           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 187         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 188                          0x0032,
 189                          PCI_VENDOR_ID_SAMSUNG,
 190                          0x410D),
 191           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 192         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 193                          0x0032,
 194                          PCI_VENDOR_ID_SAMSUNG,
 195                          0x410E),
 196           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 197         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 198                          0x0032,
 199                          PCI_VENDOR_ID_SAMSUNG,
 200                          0x410F),
 201           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 202         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 203                          0x0032,
 204                          PCI_VENDOR_ID_SAMSUNG,
 205                          0xC706),
 206           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 207         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 208                          0x0032,
 209                          PCI_VENDOR_ID_SAMSUNG,
 210                          0xC680),
 211           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 212         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 213                          0x0032,
 214                          PCI_VENDOR_ID_SAMSUNG,
 215                          0xC708),
 216           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 217         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 218                          0x0032,
 219                          PCI_VENDOR_ID_LENOVO,
 220                          0x3218),
 221           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 222         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 223                          0x0032,
 224                          PCI_VENDOR_ID_LENOVO,
 225                          0x3219),
 226           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 227
 228         /* AR9485 cards with PLL power-save disabled by default. */
 229         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 230                          0x0032,
 231                          PCI_VENDOR_ID_AZWAVE,
 232                          0x2C97),
 233           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 234         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 235                          0x0032,
 236                          PCI_VENDOR_ID_AZWAVE,
 237                          0x2100),
 238           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 239         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 240                          0x0032,
 241                          0x1C56, /* ASKEY */
 242                          0x4001),
 243           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 244         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 245                          0x0032,
 246                          0x11AD, /* LITEON */
 247                          0x6627),
 248           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 249         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 250                          0x0032,
 251                          0x11AD, /* LITEON */
 252                          0x6628),
 253           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 254         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 255                          0x0032,
 256                          PCI_VENDOR_ID_FOXCONN,
 257                          0xE04E),
 258           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 259         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 260                          0x0032,
 261                          PCI_VENDOR_ID_FOXCONN,
 262                          0xE04F),
 263           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 264         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 265                          0x0032,
 266                          0x144F, /* ASKEY */
 267                          0x7197),
 268           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 269         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 270                          0x0032,
 271                          0x1B9A, /* XAVI */
 272                          0x2000),
 273           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 274         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 275                          0x0032,
 276                          0x1B9A, /* XAVI */
 277                          0x2001),
 278           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 279         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 280                          0x0032,
 281                          PCI_VENDOR_ID_AZWAVE,
 282                          0x1186),
 283           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 284         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 285                          0x0032,
 286                          PCI_VENDOR_ID_AZWAVE,
 287                          0x1F86),
 288           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 289         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 290                          0x0032,
 291                          PCI_VENDOR_ID_AZWAVE,
 292                          0x1195),
 293           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 294         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 295                          0x0032,
 296                          PCI_VENDOR_ID_AZWAVE,
 297                          0x1F95),
 298           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 299         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 300                          0x0032,
 301                          0x1B9A, /* XAVI */
 302                          0x1C00),
 303           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 304         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 305                          0x0032,
 306                          0x1B9A, /* XAVI */
 307                          0x1C01),
 308           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 309         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 310                          0x0032,
 311                          PCI_VENDOR_ID_ASUSTEK,
 312                          0x850D),
 313           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 314 #endif
 315
 316         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 317         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 318
 319 #ifdef CONFIG_ATH9K_PCOEM
 320         /* PCI-E CUS217 */
 321         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 322                          0x0034,
 323                          PCI_VENDOR_ID_AZWAVE,
 324                          0x2116),
 325           .driver_data = ATH9K_PCI_CUS217 },
 326         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 327                          0x0034,
 328                          0x11AD, /* LITEON */
 329                          0x6661),
 330           .driver_data = ATH9K_PCI_CUS217 },
 331
 332         /* AR9462 with WoW support */
 333         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 334                          0x0034,
 335                          PCI_VENDOR_ID_ATHEROS,
 336                          0x3117),
 337           .driver_data = ATH9K_PCI_WOW },
 338         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 339                          0x0034,
 340                          PCI_VENDOR_ID_LENOVO,
 341                          0x3214),
 342           .driver_data = ATH9K_PCI_WOW },
 343         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 344                          0x0034,
 345                          PCI_VENDOR_ID_ATTANSIC,
 346                          0x0091),
 347           .driver_data = ATH9K_PCI_WOW },
 348         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 349                          0x0034,
 350                          PCI_VENDOR_ID_AZWAVE,
 351                          0x2110),
 352           .driver_data = ATH9K_PCI_WOW },
 353         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 354                          0x0034,
 355                          PCI_VENDOR_ID_ASUSTEK,
 356                          0x850E),
 357           .driver_data = ATH9K_PCI_WOW },
 358         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 359                          0x0034,
 360                          0x11AD, /* LITEON */
 361                          0x6631),
 362           .driver_data = ATH9K_PCI_WOW },
 363         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 364                          0x0034,
 365                          0x11AD, /* LITEON */
 366                          0x6641),
 367           .driver_data = ATH9K_PCI_WOW },
 368         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 369                          0x0034,
 370                          PCI_VENDOR_ID_HP,
 371                          0x1864),
 372           .driver_data = ATH9K_PCI_WOW },
 373         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 374                          0x0034,
 375                          0x14CD, /* USI */
 376                          0x0063),
 377           .driver_data = ATH9K_PCI_WOW },
 378         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 379                          0x0034,
 380                          0x14CD, /* USI */
 381                          0x0064),
 382           .driver_data = ATH9K_PCI_WOW },
 383         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 384                          0x0034,
 385                          0x10CF, /* Fujitsu */
 386                          0x1783),
 387           .driver_data = ATH9K_PCI_WOW },
 388         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 389                          0x0034,
 390                          PCI_VENDOR_ID_DELL,
 391                          0x020B),
 392           .driver_data = ATH9K_PCI_WOW },
 393         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 394                          0x0034,
 395                          PCI_VENDOR_ID_DELL,
 396                          0x0300),
 397           .driver_data = ATH9K_PCI_WOW },
 398
 399         /* Killer Wireless (2x2) */
 400         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 401                          0x0030,
 402                          0x1A56,
 403                          0x2003),
 404           .driver_data = ATH9K_PCI_KILLER },
 405
 406         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 407         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 408
 409         /* CUS252 */
 410         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 411                          0x0036,
 412                          PCI_VENDOR_ID_ATHEROS,
 413                          0x3028),
 414           .driver_data = ATH9K_PCI_CUS252 |
 415                          ATH9K_PCI_AR9565_2ANT |
 416                          ATH9K_PCI_BT_ANT_DIV },
 417         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 418                          0x0036,
 419                          PCI_VENDOR_ID_AZWAVE,
 420                          0x2176),
 421           .driver_data = ATH9K_PCI_CUS252 |
 422                          ATH9K_PCI_AR9565_2ANT |
 423                          ATH9K_PCI_BT_ANT_DIV },
 424
 425         /* WB335 1-ANT */
 426         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 427                          0x0036,
 428                          PCI_VENDOR_ID_FOXCONN,
 429                          0xE068),
 430           .driver_data = ATH9K_PCI_AR9565_1ANT },
 431         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 432                          0x0036,
 433                          0x185F, /* WNC */
 434                          0xA119),
 435           .driver_data = ATH9K_PCI_AR9565_1ANT },
 436         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 437                          0x0036,
 438                          0x11AD, /* LITEON */
 439                          0x0632),
 440           .driver_data = ATH9K_PCI_AR9565_1ANT },
 441         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 442                          0x0036,
 443                          0x11AD, /* LITEON */
 444                          0x06B2),
 445           .driver_data = ATH9K_PCI_AR9565_1ANT },
 446         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 447                          0x0036,
 448                          0x11AD, /* LITEON */
 449                          0x0842),
 450           .driver_data = ATH9K_PCI_AR9565_1ANT },
 451         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 452                          0x0036,
 453                          0x11AD, /* LITEON */
 454                          0x1842),
 455           .driver_data = ATH9K_PCI_AR9565_1ANT },
 456         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 457                          0x0036,
 458                          0x11AD, /* LITEON */
 459                          0x6671),
 460           .driver_data = ATH9K_PCI_AR9565_1ANT },
 461         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 462                          0x0036,
 463                          0x1B9A, /* XAVI */
 464                          0x2811),
 465           .driver_data = ATH9K_PCI_AR9565_1ANT },
 466         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 467                          0x0036,
 468                          0x1B9A, /* XAVI */
 469                          0x2812),
 470           .driver_data = ATH9K_PCI_AR9565_1ANT },
 471         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 472                          0x0036,
 473                          0x1B9A, /* XAVI */
 474                          0x28A1),
 475           .driver_data = ATH9K_PCI_AR9565_1ANT },
 476         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 477                          0x0036,
 478                          0x1B9A, /* XAVI */
 479                          0x28A3),
 480           .driver_data = ATH9K_PCI_AR9565_1ANT },
 481         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 482                          0x0036,
 483                          PCI_VENDOR_ID_AZWAVE,
 484                          0x218A),
 485           .driver_data = ATH9K_PCI_AR9565_1ANT },
 486         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 487                          0x0036,
 488                          PCI_VENDOR_ID_AZWAVE,
 489                          0x2F8A),
 490           .driver_data = ATH9K_PCI_AR9565_1ANT },
 491
 492         /* WB335 1-ANT / Antenna Diversity */
 493         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 494                          0x0036,
 495                          PCI_VENDOR_ID_ATHEROS,
 496                          0x3025),
 497           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 498         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 499                          0x0036,
 500                          PCI_VENDOR_ID_ATHEROS,
 501                          0x3026),
 502           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 503         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 504                          0x0036,
 505                          PCI_VENDOR_ID_ATHEROS,
 506                          0x302B),
 507           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 508         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 509                          0x0036,
 510                          PCI_VENDOR_ID_FOXCONN,
 511                          0xE069),
 512           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 513         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 514                          0x0036,
 515                          0x185F, /* WNC */
 516                          0x3028),
 517           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 518         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 519                          0x0036,
 520                          0x11AD, /* LITEON */
 521                          0x0622),
 522           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 523         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 524                          0x0036,
 525                          0x11AD, /* LITEON */
 526                          0x0672),
 527           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 528         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 529                          0x0036,
 530                          0x11AD, /* LITEON */
 531                          0x0662),
 532           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 533         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 534                          0x0036,
 535                          0x11AD, /* LITEON */
 536                          0x06A2),
 537           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 538         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 539                          0x0036,
 540                          0x11AD, /* LITEON */
 541                          0x0682),
 542           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 543         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 544                          0x0036,
 545                          PCI_VENDOR_ID_AZWAVE,
 546                          0x213A),
 547           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 548         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 549                          0x0036,
 550                          PCI_VENDOR_ID_AZWAVE,
 551                          0x213C),
 552           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 553         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 554                          0x0036,
 555                          PCI_VENDOR_ID_HP,
 556                          0x18E3),
 557           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 558         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 559                          0x0036,
 560                          PCI_VENDOR_ID_HP,
 561                          0x217F),
 562           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 563         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 564                          0x0036,
 565                          PCI_VENDOR_ID_HP,
 566                          0x2005),
 567           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 568         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 569                          0x0036,
 570                          PCI_VENDOR_ID_DELL,
 571                          0x020C),
 572           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 573
 574         /* WB335 2-ANT / Antenna-Diversity */
 575         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 576                          0x0036,
 577                          PCI_VENDOR_ID_SAMSUNG,
 578                          0x411A),
 579           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 580         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 581                          0x0036,
 582                          PCI_VENDOR_ID_SAMSUNG,
 583                          0x411B),
 584           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 585         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 586                          0x0036,
 587                          PCI_VENDOR_ID_SAMSUNG,
 588                          0x411C),
 589           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 590         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 591                          0x0036,
 592                          PCI_VENDOR_ID_SAMSUNG,
 593                          0x411D),
 594           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 595         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 596                          0x0036,
 597                          PCI_VENDOR_ID_SAMSUNG,
 598                          0x411E),
 599           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 600         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 601                          0x0036,
 602                          PCI_VENDOR_ID_SAMSUNG,
 603                          0x4129),
 604           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 605         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 606                          0x0036,
 607                          PCI_VENDOR_ID_SAMSUNG,
 608                          0x412A),
 609           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 610         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 611                          0x0036,
 612                          PCI_VENDOR_ID_ATHEROS,
 613                          0x3027),
 614           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 615         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 616                          0x0036,
 617                          PCI_VENDOR_ID_ATHEROS,
 618                          0x302C),
 619           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 620         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 621                          0x0036,
 622                          0x11AD, /* LITEON */
 623                          0x0642),
 624           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 625         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 626                          0x0036,
 627                          0x11AD, /* LITEON */
 628                          0x0652),
 629           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 630         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 631                          0x0036,
 632                          0x11AD, /* LITEON */
 633                          0x0612),
 634           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 635         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 636                          0x0036,
 637                          0x11AD, /* LITEON */
 638                          0x0832),
 639           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 640         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 641                          0x0036,
 642                          0x11AD, /* LITEON */
 643                          0x1832),
 644           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 645         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 646                          0x0036,
 647                          0x11AD, /* LITEON */
 648                          0x0692),
 649           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 650         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 651                          0x0036,
 652                          0x11AD, /* LITEON */
 653                          0x0803),
 654           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 655         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 656                          0x0036,
 657                          0x11AD, /* LITEON */
 658                          0x0813),
 659           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 660         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 661                          0x0036,
 662                          PCI_VENDOR_ID_AZWAVE,
 663                          0x2130),
 664           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 665         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 666                          0x0036,
 667                          PCI_VENDOR_ID_AZWAVE,
 668                          0x213B),
 669           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 670         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 671                          0x0036,
 672                          PCI_VENDOR_ID_AZWAVE,
 673                          0x2182),
 674           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 675         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 676                          0x0036,
 677                          PCI_VENDOR_ID_AZWAVE,
 678                          0x218B),
 679           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 680         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 681                          0x0036,
 682                          PCI_VENDOR_ID_AZWAVE,
 683                          0x218C),
 684           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 685         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 686                          0x0036,
 687                          PCI_VENDOR_ID_AZWAVE,
 688                          0x2F82),
 689           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 690         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 691                          0x0036,
 692                          0x144F, /* ASKEY */
 693                          0x7202),
 694           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 695         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 696                          0x0036,
 697                          0x1B9A, /* XAVI */
 698                          0x2810),
 699           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 700         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 701                          0x0036,
 702                          0x1B9A, /* XAVI */
 703                          0x2813),
 704           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 705         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 706                          0x0036,
 707                          0x1B9A, /* XAVI */
 708                          0x28A2),
 709           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 710         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 711                          0x0036,
 712                          0x1B9A, /* XAVI */
 713                          0x28A4),
 714           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 715         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 716                          0x0036,
 717                          0x185F, /* WNC */
 718                          0x3027),
 719           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 720         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 721                          0x0036,
 722                          0x185F, /* WNC */
 723                          0xA120),
 724           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 725         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 726                          0x0036,
 727                          PCI_VENDOR_ID_FOXCONN,
 728                          0xE07F),
 729           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 730         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 731                          0x0036,
 732                          PCI_VENDOR_ID_FOXCONN,
 733                          0xE08F),
 734           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 735         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 736                          0x0036,
 737                          PCI_VENDOR_ID_FOXCONN,
 738                          0xE081),
 739           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 740         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 741                          0x0036,
 742                          PCI_VENDOR_ID_FOXCONN,
 743                          0xE091),
 744           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 745         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 746                          0x0036,
 747                          PCI_VENDOR_ID_FOXCONN,
 748                          0xE099),
 749           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 750         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 751                          0x0036,
 752                          PCI_VENDOR_ID_LENOVO,
 753                          0x3026),
 754           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 755         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 756                          0x0036,
 757                          PCI_VENDOR_ID_LENOVO,
 758                          0x4026),
 759           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 760         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 761                          0x0036,
 762                          PCI_VENDOR_ID_ASUSTEK,
 763                          0x85F2),
 764           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 765         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 766                          0x0036,
 767                          PCI_VENDOR_ID_DELL,
 768                          0x020E),
 769           .driver_data = ATH9K_PCI_AR9565_2ANT |
 770                          ATH9K_PCI_BT_ANT_DIV |
 771                          ATH9K_PCI_LED_ACT_HI},
 772
 773         /* PCI-E AR9565 (WB335) */
 774         { PCI_VDEVICE(ATHEROS, 0x0036),
 775           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 776 #endif
 777
 778         { 0 }
 779 };
 780
 781
 782 /* return bus cachesize in 4B word units */
 783 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 784 {
 785         struct ath_softc *sc = (struct ath_softc *) common->priv;
 786         u8 u8tmp;
 787
 788         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 789         *csz = (int)u8tmp;
 790
 791         /*
 792          * This check was put in to avoid "unpleasant" consequences if
 793          * the bootrom has not fully initialized all PCI devices.
 794          * Sometimes the cache line size register is not set
 795          */
 796
 797         if (*csz == 0)
 798                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 799 }
 800
 801 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 802 {
 803         struct ath_hw *ah = (struct ath_hw *) common->ah;
 804
 805         common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 806
 807         if (!ath9k_hw_wait(ah,
 808                                 AR_EEPROM_STATUS_DATA,
 809                                 AR_EEPROM_STATUS_DATA_BUSY |
 810                                 AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 811                                 AH_WAIT_TIMEOUT)) {
 812                 return false;
 813         }
 814
 815         *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 816                         AR_EEPROM_STATUS_DATA_VAL);
 817
 818         return true;
 819 }
 820
 821 /* Need to be called after we discover btcoex capabilities */
 822 static void ath_pci_aspm_init(struct ath_common *common)
 823 {
 824         struct ath_softc *sc = (struct ath_softc *) common->priv;
 825         struct ath_hw *ah = sc->sc_ah;
 826         struct pci_dev *pdev = to_pci_dev(sc->dev);
 827         struct pci_dev *parent;
 828         u16 aspm;
 829
 830         if (!ah->is_pciexpress)
 831                 return;
 832
 833         parent = pdev->bus->self;
 834         if (!parent)
 835                 return;
 836
 837         if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 838             (AR_SREV_9285(ah))) {
 839                 /* Bluetooth coexistence requires disabling ASPM. */
 840                 pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 841                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 842
 843                 /*
 844                  * Both upstream and downstream PCIe components should
 845                  * have the same ASPM settings.
 846                  */
 847                 pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 848                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 849
 850                 ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 851                 return;
 852         }
 853
 854         /*
 855          * 0x70c - Ack Frequency Register.
 856          *
 857          * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 858          *
 859          * 000 : 1 us
 860          * 001 : 2 us
 861          * 010 : 4 us
 862          * 011 : 8 us
 863          * 100 : 16 us
 864          * 101 : 32 us
 865          * 110/111 : 64 us
 866          */
 867         if (AR_SREV_9462(ah))
 868                 pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 869
 870         pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 871         if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
 872                 ah->aspm_enabled = true;
 873                 /* Initialize PCIe PM and SERDES registers. */
 874                 ath9k_hw_configpcipowersave(ah, false);
 875                 ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 876         }
 877 }
 878
 879 static const struct ath_bus_ops ath_pci_bus_ops = {
 880         .ath_bus_type = ATH_PCI,
 881         .read_cachesize = ath_pci_read_cachesize,
 882         .eeprom_read = ath_pci_eeprom_read,
 883         .aspm_init = ath_pci_aspm_init,
 884 };
 885
 886 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 887 {
 888         struct ath_softc *sc;
 889         struct ieee80211_hw *hw;
 890         u8 csz;
 891         u32 val;
 892         int ret = 0;
 893         char hw_name[64];
 894         int msi_enabled = 0;
 895
 896         if (pcim_enable_device(pdev))
 897                 return -EIO;
 898
 899         ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 900         if (ret) {
 901                 pr_err("32-bit DMA not available\n");
 902                 return ret;
 903         }
 904
 905         ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 906         if (ret) {
 907                 pr_err("32-bit DMA consistent DMA enable failed\n");
 908                 return ret;
 909         }
 910
 911         /*
 912          * Cache line size is used to size and align various
 913          * structures used to communicate with the hardware.
 914          */
 915         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 916         if (csz == 0) {
 917                 /*
 918                  * Linux 2.4.18 (at least) writes the cache line size
 919                  * register as a 16-bit wide register which is wrong.
 920                  * We must have this setup properly for rx buffer
 921                  * DMA to work so force a reasonable value here if it
 922                  * comes up zero.
 923                  */
 924                 csz = L1_CACHE_BYTES / sizeof(u32);
 925                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 926         }
 927         /*
 928          * The default setting of latency timer yields poor results,
 929          * set it to the value used by other systems. It may be worth
 930          * tweaking this setting more.
 931          */
 932         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 933
 934         pci_set_master(pdev);
 935
 936         /*
 937          * Disable the RETRY_TIMEOUT register (0x41) to keep
 938          * PCI Tx retries from interfering with C3 CPU state.
 939          */
 940         pci_read_config_dword(pdev, 0x40, &val);
 941         if ((val & 0x0000ff00) != 0)
 942                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 943
 944         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 945         if (ret) {
 946                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
 947                 return -ENODEV;
 948         }
 949
 950         ath9k_fill_chanctx_ops();
 951         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 952         if (!hw) {
 953                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 954                 return -ENOMEM;
 955         }
 956
 957         SET_IEEE80211_DEV(hw, &pdev->dev);
 958         pci_set_drvdata(pdev, hw);
 959
 960         sc = hw->priv;
 961         sc->hw = hw;
 962         sc->dev = &pdev->dev;
 963         sc->mem = pcim_iomap_table(pdev)[0];
 964         sc->driver_data = id->driver_data;
 965
 966         if (ath9k_use_msi) {
 967                 if (pci_enable_msi(pdev) == 0) {
 968                         msi_enabled = 1;
 969                         dev_err(&pdev->dev, "Using MSI\n");
 970                 } else {
 971                         dev_err(&pdev->dev, "Using INTx\n");
 972                 }
 973         }
 974
 975         if (!msi_enabled)
 976                 ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 977         else
 978                 ret = request_irq(pdev->irq, ath_isr, 0, "ath9k", sc);
 979
 980         if (ret) {
 981                 dev_err(&pdev->dev, "request_irq failed\n");
 982                 goto err_irq;
 983         }
 984
 985         sc->irq = pdev->irq;
 986
 987         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 988         if (ret) {
 989                 dev_err(&pdev->dev, "Failed to initialize device\n");
 990                 goto err_init;
 991         }
 992
 993         sc->sc_ah->msi_enabled = msi_enabled;
 994         sc->sc_ah->msi_reg = 0;
 995
 996         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 997         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
 998                    hw_name, (unsigned long)sc->mem, pdev->irq);
 999
1000         return 0;
1001
1002 err_init:
1003         free_irq(sc->irq, sc);
1004 err_irq:
1005         ieee80211_free_hw(hw);
1006         return ret;
1007 }
1008
1009 static void ath_pci_remove(struct pci_dev *pdev)
1010 {
1011         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1012         struct ath_softc *sc = hw->priv;
1013
1014         if (!is_ath9k_unloaded)
1015                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
1016         ath9k_deinit_device(sc);
1017         free_irq(sc->irq, sc);
1018         ieee80211_free_hw(sc->hw);
1019 }
1020
1021 #ifdef CONFIG_PM_SLEEP
1022
1023 static int ath_pci_suspend(struct device *device)
1024 {
1025         struct pci_dev *pdev = to_pci_dev(device);
1026         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1027         struct ath_softc *sc = hw->priv;
1028         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1029
1030         if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1031                 dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1032                 return 0;
1033         }
1034
1035         /* The device has to be moved to FULLSLEEP forcibly.
1036          * Otherwise the chip never moved to full sleep,
1037          * when no interface is up.
1038          */
1039         ath9k_stop_btcoex(sc);
1040         ath9k_hw_disable(sc->sc_ah);
1041         del_timer_sync(&sc->sleep_timer);
1042         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1043
1044         return 0;
1045 }
1046
1047 static int ath_pci_resume(struct device *device)
1048 {
1049         struct pci_dev *pdev = to_pci_dev(device);
1050         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1051         struct ath_softc *sc = hw->priv;
1052         struct ath_hw *ah = sc->sc_ah;
1053         struct ath_common *common = ath9k_hw_common(ah);
1054         u32 val;
1055
1056         /*
1057          * Suspend/Resume resets the PCI configuration space, so we have to
1058          * re-disable the RETRY_TIMEOUT register (0x41) to keep
1059          * PCI Tx retries from interfering with C3 CPU state
1060          */
1061         pci_read_config_dword(pdev, 0x40, &val);
1062         if ((val & 0x0000ff00) != 0)
1063                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1064
1065         ath_pci_aspm_init(common);
1066         ah->reset_power_on = false;
1067
1068         return 0;
1069 }
1070
1071 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1072
1073 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
1074
1075 #else /* !CONFIG_PM_SLEEP */
1076
1077 #define ATH9K_PM_OPS    NULL
1078
1079 #endif /* !CONFIG_PM_SLEEP */
1080
1081
1082 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1083
1084 static struct pci_driver ath_pci_driver = {
1085         .name       = "ath9k",
1086         .id_table   = ath_pci_id_table,
1087         .probe      = ath_pci_probe,
1088         .remove     = ath_pci_remove,
1089         .driver.pm  = ATH9K_PM_OPS,
1090 };
1091
1092 int ath_pci_init(void)
1093 {
1094         return pci_register_driver(&ath_pci_driver);
1095 }
1096
1097 void ath_pci_exit(void)
1098 {
1099         pci_unregister_driver(&ath_pci_driver);
1100 }