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/module.h>
  22 #include "ath9k.h"
  23
  24 static const struct pci_device_id ath_pci_id_table[] = {
  25         { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  26         { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  27         { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  28
  29 #ifdef CONFIG_ATH9K_PCOEM
  30         /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  31         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  32                          0x0029,
  33                          PCI_VENDOR_ID_ATHEROS,
  34                          0x2096),
  35           .driver_data = ATH9K_PCI_LED_ACT_HI },
  36 #endif
  37
  38         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  39
  40 #ifdef CONFIG_ATH9K_PCOEM
  41         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  42                          0x002A,
  43                          PCI_VENDOR_ID_AZWAVE,
  44                          0x1C71),
  45           .driver_data = ATH9K_PCI_D3_L1_WAR },
  46         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  47                          0x002A,
  48                          PCI_VENDOR_ID_FOXCONN,
  49                          0xE01F),
  50           .driver_data = ATH9K_PCI_D3_L1_WAR },
  51         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  52                          0x002A,
  53                          0x11AD, /* LITEON */
  54                          0x6632),
  55           .driver_data = ATH9K_PCI_D3_L1_WAR },
  56         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  57                          0x002A,
  58                          0x11AD, /* LITEON */
  59                          0x6642),
  60           .driver_data = ATH9K_PCI_D3_L1_WAR },
  61         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  62                          0x002A,
  63                          PCI_VENDOR_ID_QMI,
  64                          0x0306),
  65           .driver_data = ATH9K_PCI_D3_L1_WAR },
  66         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  67                          0x002A,
  68                          0x185F, /* WNC */
  69                          0x309D),
  70           .driver_data = ATH9K_PCI_D3_L1_WAR },
  71         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  72                          0x002A,
  73                          0x10CF, /* Fujitsu */
  74                          0x147C),
  75           .driver_data = ATH9K_PCI_D3_L1_WAR },
  76         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  77                          0x002A,
  78                          0x10CF, /* Fujitsu */
  79                          0x147D),
  80           .driver_data = ATH9K_PCI_D3_L1_WAR },
  81         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  82                          0x002A,
  83                          0x10CF, /* Fujitsu */
  84                          0x1536),
  85           .driver_data = ATH9K_PCI_D3_L1_WAR },
  86 #endif
  87
  88         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  89
  90 #ifdef CONFIG_ATH9K_PCOEM
  91         /* AR9285 card for Asus */
  92         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  93                          0x002B,
  94                          PCI_VENDOR_ID_AZWAVE,
  95                          0x2C37),
  96           .driver_data = ATH9K_PCI_BT_ANT_DIV },
  97 #endif
  98
  99         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 100         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 101         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 102         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 103
 104         /* Killer Wireless (3x3) */
 105         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 106                          0x0030,
 107                          0x1A56,
 108                          0x2000),
 109           .driver_data = ATH9K_PCI_KILLER },
 110         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 111                          0x0030,
 112                          0x1A56,
 113                          0x2001),
 114           .driver_data = ATH9K_PCI_KILLER },
 115
 116         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 117
 118 #ifdef CONFIG_ATH9K_PCOEM
 119         /* PCI-E CUS198 */
 120         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 121                          0x0032,
 122                          PCI_VENDOR_ID_AZWAVE,
 123                          0x2086),
 124           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 125         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 126                          0x0032,
 127                          PCI_VENDOR_ID_AZWAVE,
 128                          0x1237),
 129           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 130         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 131                          0x0032,
 132                          PCI_VENDOR_ID_AZWAVE,
 133                          0x2126),
 134           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 135         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 136                          0x0032,
 137                          PCI_VENDOR_ID_AZWAVE,
 138                          0x126A),
 139           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 140
 141         /* PCI-E CUS230 */
 142         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 143                          0x0032,
 144                          PCI_VENDOR_ID_AZWAVE,
 145                          0x2152),
 146           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 147         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 148                          0x0032,
 149                          PCI_VENDOR_ID_FOXCONN,
 150                          0xE075),
 151           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 152
 153         /* WB225 */
 154         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 155                          0x0032,
 156                          PCI_VENDOR_ID_ATHEROS,
 157                          0x3119),
 158           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 159         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 160                          0x0032,
 161                          PCI_VENDOR_ID_ATHEROS,
 162                          0x3122),
 163           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 164         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 165                          0x0032,
 166                          0x185F, /* WNC */
 167                          0x3119),
 168           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 169         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 170                          0x0032,
 171                          0x185F, /* WNC */
 172                          0x3027),
 173           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 174         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 175                          0x0032,
 176                          PCI_VENDOR_ID_SAMSUNG,
 177                          0x4105),
 178           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 179         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 180                          0x0032,
 181                          PCI_VENDOR_ID_SAMSUNG,
 182                          0x4106),
 183           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 184         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 185                          0x0032,
 186                          PCI_VENDOR_ID_SAMSUNG,
 187                          0x410D),
 188           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 189         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 190                          0x0032,
 191                          PCI_VENDOR_ID_SAMSUNG,
 192                          0x410E),
 193           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 194         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 195                          0x0032,
 196                          PCI_VENDOR_ID_SAMSUNG,
 197                          0x410F),
 198           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 199         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 200                          0x0032,
 201                          PCI_VENDOR_ID_SAMSUNG,
 202                          0xC706),
 203           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 204         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 205                          0x0032,
 206                          PCI_VENDOR_ID_SAMSUNG,
 207                          0xC680),
 208           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 209         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 210                          0x0032,
 211                          PCI_VENDOR_ID_SAMSUNG,
 212                          0xC708),
 213           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 214         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 215                          0x0032,
 216                          PCI_VENDOR_ID_LENOVO,
 217                          0x3218),
 218           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 219         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 220                          0x0032,
 221                          PCI_VENDOR_ID_LENOVO,
 222                          0x3219),
 223           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 224
 225         /* AR9485 cards with PLL power-save disabled by default. */
 226         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 227                          0x0032,
 228                          PCI_VENDOR_ID_AZWAVE,
 229                          0x2C97),
 230           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 231         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 232                          0x0032,
 233                          PCI_VENDOR_ID_AZWAVE,
 234                          0x2100),
 235           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 236         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 237                          0x0032,
 238                          0x1C56, /* ASKEY */
 239                          0x4001),
 240           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 241         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 242                          0x0032,
 243                          0x11AD, /* LITEON */
 244                          0x6627),
 245           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 246         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 247                          0x0032,
 248                          0x11AD, /* LITEON */
 249                          0x6628),
 250           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 251         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 252                          0x0032,
 253                          PCI_VENDOR_ID_FOXCONN,
 254                          0xE04E),
 255           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 256         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 257                          0x0032,
 258                          PCI_VENDOR_ID_FOXCONN,
 259                          0xE04F),
 260           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 261         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 262                          0x0032,
 263                          0x144F, /* ASKEY */
 264                          0x7197),
 265           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 266         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 267                          0x0032,
 268                          0x1B9A, /* XAVI */
 269                          0x2000),
 270           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 271         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 272                          0x0032,
 273                          0x1B9A, /* XAVI */
 274                          0x2001),
 275           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 276         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 277                          0x0032,
 278                          PCI_VENDOR_ID_AZWAVE,
 279                          0x1186),
 280           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 281         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 282                          0x0032,
 283                          PCI_VENDOR_ID_AZWAVE,
 284                          0x1F86),
 285           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 286         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 287                          0x0032,
 288                          PCI_VENDOR_ID_AZWAVE,
 289                          0x1195),
 290           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 291         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 292                          0x0032,
 293                          PCI_VENDOR_ID_AZWAVE,
 294                          0x1F95),
 295           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 296         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 297                          0x0032,
 298                          0x1B9A, /* XAVI */
 299                          0x1C00),
 300           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 301         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 302                          0x0032,
 303                          0x1B9A, /* XAVI */
 304                          0x1C01),
 305           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 306         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 307                          0x0032,
 308                          PCI_VENDOR_ID_ASUSTEK,
 309                          0x850D),
 310           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 311 #endif
 312
 313         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 314         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 315
 316 #ifdef CONFIG_ATH9K_PCOEM
 317         /* PCI-E CUS217 */
 318         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 319                          0x0034,
 320                          PCI_VENDOR_ID_AZWAVE,
 321                          0x2116),
 322           .driver_data = ATH9K_PCI_CUS217 },
 323         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 324                          0x0034,
 325                          0x11AD, /* LITEON */
 326                          0x6661),
 327           .driver_data = ATH9K_PCI_CUS217 },
 328
 329         /* AR9462 with WoW support */
 330         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 331                          0x0034,
 332                          PCI_VENDOR_ID_ATHEROS,
 333                          0x3117),
 334           .driver_data = ATH9K_PCI_WOW },
 335         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 336                          0x0034,
 337                          PCI_VENDOR_ID_LENOVO,
 338                          0x3214),
 339           .driver_data = ATH9K_PCI_WOW },
 340         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 341                          0x0034,
 342                          PCI_VENDOR_ID_ATTANSIC,
 343                          0x0091),
 344           .driver_data = ATH9K_PCI_WOW },
 345         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 346                          0x0034,
 347                          PCI_VENDOR_ID_AZWAVE,
 348                          0x2110),
 349           .driver_data = ATH9K_PCI_WOW },
 350         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 351                          0x0034,
 352                          PCI_VENDOR_ID_ASUSTEK,
 353                          0x850E),
 354           .driver_data = ATH9K_PCI_WOW },
 355         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 356                          0x0034,
 357                          0x11AD, /* LITEON */
 358                          0x6631),
 359           .driver_data = ATH9K_PCI_WOW },
 360         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 361                          0x0034,
 362                          0x11AD, /* LITEON */
 363                          0x6641),
 364           .driver_data = ATH9K_PCI_WOW },
 365         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 366                          0x0034,
 367                          PCI_VENDOR_ID_HP,
 368                          0x1864),
 369           .driver_data = ATH9K_PCI_WOW },
 370         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 371                          0x0034,
 372                          0x14CD, /* USI */
 373                          0x0063),
 374           .driver_data = ATH9K_PCI_WOW },
 375         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 376                          0x0034,
 377                          0x14CD, /* USI */
 378                          0x0064),
 379           .driver_data = ATH9K_PCI_WOW },
 380         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 381                          0x0034,
 382                          0x10CF, /* Fujitsu */
 383                          0x1783),
 384           .driver_data = ATH9K_PCI_WOW },
 385         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 386                          0x0034,
 387                          PCI_VENDOR_ID_DELL,
 388                          0x020B),
 389           .driver_data = ATH9K_PCI_WOW },
 390         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 391                          0x0034,
 392                          PCI_VENDOR_ID_DELL,
 393                          0x0300),
 394           .driver_data = ATH9K_PCI_WOW },
 395
 396         /* Killer Wireless (2x2) */
 397         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 398                          0x0030,
 399                          0x1A56,
 400                          0x2003),
 401           .driver_data = ATH9K_PCI_KILLER },
 402
 403         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 404         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 405
 406         /* CUS252 */
 407         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 408                          0x0036,
 409                          PCI_VENDOR_ID_ATHEROS,
 410                          0x3028),
 411           .driver_data = ATH9K_PCI_CUS252 |
 412                          ATH9K_PCI_AR9565_2ANT |
 413                          ATH9K_PCI_BT_ANT_DIV },
 414         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 415                          0x0036,
 416                          PCI_VENDOR_ID_AZWAVE,
 417                          0x2176),
 418           .driver_data = ATH9K_PCI_CUS252 |
 419                          ATH9K_PCI_AR9565_2ANT |
 420                          ATH9K_PCI_BT_ANT_DIV },
 421
 422         /* WB335 1-ANT */
 423         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 424                          0x0036,
 425                          PCI_VENDOR_ID_FOXCONN,
 426                          0xE068),
 427           .driver_data = ATH9K_PCI_AR9565_1ANT },
 428         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 429                          0x0036,
 430                          0x185F, /* WNC */
 431                          0xA119),
 432           .driver_data = ATH9K_PCI_AR9565_1ANT },
 433         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 434                          0x0036,
 435                          0x11AD, /* LITEON */
 436                          0x0632),
 437           .driver_data = ATH9K_PCI_AR9565_1ANT },
 438         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 439                          0x0036,
 440                          0x11AD, /* LITEON */
 441                          0x06B2),
 442           .driver_data = ATH9K_PCI_AR9565_1ANT },
 443         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 444                          0x0036,
 445                          0x11AD, /* LITEON */
 446                          0x0842),
 447           .driver_data = ATH9K_PCI_AR9565_1ANT },
 448         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 449                          0x0036,
 450                          0x11AD, /* LITEON */
 451                          0x1842),
 452           .driver_data = ATH9K_PCI_AR9565_1ANT },
 453         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 454                          0x0036,
 455                          0x11AD, /* LITEON */
 456                          0x6671),
 457           .driver_data = ATH9K_PCI_AR9565_1ANT },
 458         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 459                          0x0036,
 460                          0x1B9A, /* XAVI */
 461                          0x2811),
 462           .driver_data = ATH9K_PCI_AR9565_1ANT },
 463         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 464                          0x0036,
 465                          0x1B9A, /* XAVI */
 466                          0x2812),
 467           .driver_data = ATH9K_PCI_AR9565_1ANT },
 468         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 469                          0x0036,
 470                          0x1B9A, /* XAVI */
 471                          0x28A1),
 472           .driver_data = ATH9K_PCI_AR9565_1ANT },
 473         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 474                          0x0036,
 475                          0x1B9A, /* XAVI */
 476                          0x28A3),
 477           .driver_data = ATH9K_PCI_AR9565_1ANT },
 478         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 479                          0x0036,
 480                          PCI_VENDOR_ID_AZWAVE,
 481                          0x218A),
 482           .driver_data = ATH9K_PCI_AR9565_1ANT },
 483         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 484                          0x0036,
 485                          PCI_VENDOR_ID_AZWAVE,
 486                          0x2F8A),
 487           .driver_data = ATH9K_PCI_AR9565_1ANT },
 488
 489         /* WB335 1-ANT / Antenna Diversity */
 490         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 491                          0x0036,
 492                          PCI_VENDOR_ID_ATHEROS,
 493                          0x3025),
 494           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 495         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 496                          0x0036,
 497                          PCI_VENDOR_ID_ATHEROS,
 498                          0x3026),
 499           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 500         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 501                          0x0036,
 502                          PCI_VENDOR_ID_ATHEROS,
 503                          0x302B),
 504           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 505         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 506                          0x0036,
 507                          PCI_VENDOR_ID_FOXCONN,
 508                          0xE069),
 509           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 510         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 511                          0x0036,
 512                          0x185F, /* WNC */
 513                          0x3028),
 514           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 515         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 516                          0x0036,
 517                          0x11AD, /* LITEON */
 518                          0x0622),
 519           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 520         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 521                          0x0036,
 522                          0x11AD, /* LITEON */
 523                          0x0672),
 524           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 525         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 526                          0x0036,
 527                          0x11AD, /* LITEON */
 528                          0x0662),
 529           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 530         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 531                          0x0036,
 532                          0x11AD, /* LITEON */
 533                          0x06A2),
 534           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 535         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 536                          0x0036,
 537                          0x11AD, /* LITEON */
 538                          0x0682),
 539           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 540         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 541                          0x0036,
 542                          PCI_VENDOR_ID_AZWAVE,
 543                          0x213A),
 544           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 545         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 546                          0x0036,
 547                          PCI_VENDOR_ID_AZWAVE,
 548                          0x213C),
 549           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 550         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 551                          0x0036,
 552                          PCI_VENDOR_ID_HP,
 553                          0x18E3),
 554           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 555         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 556                          0x0036,
 557                          PCI_VENDOR_ID_HP,
 558                          0x217F),
 559           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 560         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 561                          0x0036,
 562                          PCI_VENDOR_ID_HP,
 563                          0x2005),
 564           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 565         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 566                          0x0036,
 567                          PCI_VENDOR_ID_DELL,
 568                          0x020C),
 569           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 570
 571         /* WB335 2-ANT / Antenna-Diversity */
 572         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 573                          0x0036,
 574                          PCI_VENDOR_ID_SAMSUNG,
 575                          0x411A),
 576           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 577         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 578                          0x0036,
 579                          PCI_VENDOR_ID_SAMSUNG,
 580                          0x411B),
 581           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 582         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 583                          0x0036,
 584                          PCI_VENDOR_ID_SAMSUNG,
 585                          0x411C),
 586           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 587         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 588                          0x0036,
 589                          PCI_VENDOR_ID_SAMSUNG,
 590                          0x411D),
 591           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 592         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 593                          0x0036,
 594                          PCI_VENDOR_ID_SAMSUNG,
 595                          0x411E),
 596           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 597         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 598                          0x0036,
 599                          PCI_VENDOR_ID_SAMSUNG,
 600                          0x4129),
 601           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 602         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 603                          0x0036,
 604                          PCI_VENDOR_ID_SAMSUNG,
 605                          0x412A),
 606           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 607         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 608                          0x0036,
 609                          PCI_VENDOR_ID_ATHEROS,
 610                          0x3027),
 611           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 612         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 613                          0x0036,
 614                          PCI_VENDOR_ID_ATHEROS,
 615                          0x302C),
 616           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 617         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 618                          0x0036,
 619                          0x11AD, /* LITEON */
 620                          0x0642),
 621           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 622         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 623                          0x0036,
 624                          0x11AD, /* LITEON */
 625                          0x0652),
 626           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 627         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 628                          0x0036,
 629                          0x11AD, /* LITEON */
 630                          0x0612),
 631           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 632         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 633                          0x0036,
 634                          0x11AD, /* LITEON */
 635                          0x0832),
 636           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 637         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 638                          0x0036,
 639                          0x11AD, /* LITEON */
 640                          0x1832),
 641           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 642         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 643                          0x0036,
 644                          0x11AD, /* LITEON */
 645                          0x0692),
 646           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 647         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 648                          0x0036,
 649                          0x11AD, /* LITEON */
 650                          0x0803),
 651           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 652         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 653                          0x0036,
 654                          0x11AD, /* LITEON */
 655                          0x0813),
 656           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 657         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 658                          0x0036,
 659                          PCI_VENDOR_ID_AZWAVE,
 660                          0x2130),
 661           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 662         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 663                          0x0036,
 664                          PCI_VENDOR_ID_AZWAVE,
 665                          0x213B),
 666           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 667         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 668                          0x0036,
 669                          PCI_VENDOR_ID_AZWAVE,
 670                          0x2182),
 671           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 672         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 673                          0x0036,
 674                          PCI_VENDOR_ID_AZWAVE,
 675                          0x218B),
 676           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 677         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 678                          0x0036,
 679                          PCI_VENDOR_ID_AZWAVE,
 680                          0x218C),
 681           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 682         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 683                          0x0036,
 684                          PCI_VENDOR_ID_AZWAVE,
 685                          0x2F82),
 686           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 687         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 688                          0x0036,
 689                          0x144F, /* ASKEY */
 690                          0x7202),
 691           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 692         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 693                          0x0036,
 694                          0x1B9A, /* XAVI */
 695                          0x2810),
 696           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 697         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 698                          0x0036,
 699                          0x1B9A, /* XAVI */
 700                          0x2813),
 701           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 702         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 703                          0x0036,
 704                          0x1B9A, /* XAVI */
 705                          0x28A2),
 706           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 707         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 708                          0x0036,
 709                          0x1B9A, /* XAVI */
 710                          0x28A4),
 711           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 712         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 713                          0x0036,
 714                          0x185F, /* WNC */
 715                          0x3027),
 716           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 717         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 718                          0x0036,
 719                          0x185F, /* WNC */
 720                          0xA120),
 721           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 722         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 723                          0x0036,
 724                          PCI_VENDOR_ID_FOXCONN,
 725                          0xE07F),
 726           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 727         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 728                          0x0036,
 729                          PCI_VENDOR_ID_FOXCONN,
 730                          0xE08F),
 731           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 732         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 733                          0x0036,
 734                          PCI_VENDOR_ID_FOXCONN,
 735                          0xE081),
 736           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 737         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 738                          0x0036,
 739                          PCI_VENDOR_ID_FOXCONN,
 740                          0xE091),
 741           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 742         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 743                          0x0036,
 744                          PCI_VENDOR_ID_FOXCONN,
 745                          0xE099),
 746           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 747         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 748                          0x0036,
 749                          PCI_VENDOR_ID_LENOVO,
 750                          0x3026),
 751           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 752         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 753                          0x0036,
 754                          PCI_VENDOR_ID_LENOVO,
 755                          0x4026),
 756           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 757         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 758                          0x0036,
 759                          PCI_VENDOR_ID_ASUSTEK,
 760                          0x85F2),
 761           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 762         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 763                          0x0036,
 764                          PCI_VENDOR_ID_DELL,
 765                          0x020E),
 766           .driver_data = ATH9K_PCI_AR9565_2ANT |
 767                          ATH9K_PCI_BT_ANT_DIV |
 768                          ATH9K_PCI_LED_ACT_HI},
 769
 770         /* PCI-E AR9565 (WB335) */
 771         { PCI_VDEVICE(ATHEROS, 0x0036),
 772           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 773 #endif
 774
 775         { 0 }
 776 };
 777
 778
 779 /* return bus cachesize in 4B word units */
 780 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 781 {
 782         struct ath_softc *sc = common->priv;
 783         u8 u8tmp;
 784
 785         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 786         *csz = (int)u8tmp;
 787
 788         /*
 789          * This check was put in to avoid "unpleasant" consequences if
 790          * the bootrom has not fully initialized all PCI devices.
 791          * Sometimes the cache line size register is not set
 792          */
 793
 794         if (*csz == 0)
 795                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 796 }
 797
 798 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 799 {
 800         struct ath_hw *ah = common->ah;
 801
 802         common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 803
 804         if (!ath9k_hw_wait(ah,
 805                                 AR_EEPROM_STATUS_DATA(ah),
 806                                 AR_EEPROM_STATUS_DATA_BUSY |
 807                                 AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 808                                 AH_WAIT_TIMEOUT)) {
 809                 return false;
 810         }
 811
 812         *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA(ah)),
 813                         AR_EEPROM_STATUS_DATA_VAL);
 814
 815         return true;
 816 }
 817
 818 /* Need to be called after we discover btcoex capabilities */
 819 static void ath_pci_aspm_init(struct ath_common *common)
 820 {
 821         struct ath_softc *sc = common->priv;
 822         struct ath_hw *ah = sc->sc_ah;
 823         struct pci_dev *pdev = to_pci_dev(sc->dev);
 824         struct pci_dev *parent;
 825         u16 aspm;
 826         int ret;
 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         ret = pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 869         if (!ret && (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         int msi_enabled = 0;
 893
 894         if (pcim_enable_device(pdev))
 895                 return -EIO;
 896
 897         ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
 898         if (ret) {
 899                 pr_err("32-bit DMA not available\n");
 900                 return ret;
 901         }
 902
 903         /*
 904          * Cache line size is used to size and align various
 905          * structures used to communicate with the hardware.
 906          */
 907         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 908         if (csz == 0) {
 909                 /*
 910                  * Linux 2.4.18 (at least) writes the cache line size
 911                  * register as a 16-bit wide register which is wrong.
 912                  * We must have this setup properly for rx buffer
 913                  * DMA to work so force a reasonable value here if it
 914                  * comes up zero.
 915                  */
 916                 csz = L1_CACHE_BYTES / sizeof(u32);
 917                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 918         }
 919         /*
 920          * The default setting of latency timer yields poor results,
 921          * set it to the value used by other systems. It may be worth
 922          * tweaking this setting more.
 923          */
 924         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 925
 926         pci_set_master(pdev);
 927
 928         /*
 929          * Disable the RETRY_TIMEOUT register (0x41) to keep
 930          * PCI Tx retries from interfering with C3 CPU state.
 931          */
 932         pci_read_config_dword(pdev, 0x40, &val);
 933         if ((val & 0x0000ff00) != 0)
 934                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 935
 936         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 937         if (ret) {
 938                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
 939                 return -ENODEV;
 940         }
 941
 942         ath9k_fill_chanctx_ops();
 943         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 944         if (!hw) {
 945                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 946                 return -ENOMEM;
 947         }
 948
 949         SET_IEEE80211_DEV(hw, &pdev->dev);
 950         pci_set_drvdata(pdev, hw);
 951
 952         sc = hw->priv;
 953         sc->hw = hw;
 954         sc->dev = &pdev->dev;
 955         sc->mem = pcim_iomap_table(pdev)[0];
 956         sc->driver_data = id->driver_data;
 957
 958         if (ath9k_use_msi) {
 959                 if (pci_enable_msi(pdev) == 0) {
 960                         msi_enabled = 1;
 961                         dev_err(&pdev->dev, "Using MSI\n");
 962                 } else {
 963                         dev_err(&pdev->dev, "Using INTx\n");
 964                 }
 965         }
 966
 967         if (!msi_enabled)
 968                 ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 969         else
 970                 ret = request_irq(pdev->irq, ath_isr, 0, "ath9k", sc);
 971
 972         if (ret) {
 973                 dev_err(&pdev->dev, "request_irq failed\n");
 974                 goto err_irq;
 975         }
 976
 977         sc->irq = pdev->irq;
 978
 979         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 980         if (ret) {
 981                 dev_err(&pdev->dev, "Failed to initialize device\n");
 982                 goto err_init;
 983         }
 984
 985         sc->sc_ah->msi_enabled = msi_enabled;
 986         sc->sc_ah->msi_reg = 0;
 987
 988         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 989         wiphy_info(hw->wiphy, "%s mem=0x%p, irq=%d\n",
 990                    hw_name, sc->mem, pdev->irq);
 991
 992         return 0;
 993
 994 err_init:
 995         free_irq(sc->irq, sc);
 996 err_irq:
 997         ieee80211_free_hw(hw);
 998         return ret;
 999 }
1000
1001 static void ath_pci_remove(struct pci_dev *pdev)
1002 {
1003         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1004         struct ath_softc *sc = hw->priv;
1005
1006         if (!is_ath9k_unloaded)
1007                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
1008         ath9k_deinit_device(sc);
1009         free_irq(sc->irq, sc);
1010         ieee80211_free_hw(sc->hw);
1011 }
1012
1013 #ifdef CONFIG_PM_SLEEP
1014
1015 static int ath_pci_suspend(struct device *device)
1016 {
1017         struct ieee80211_hw *hw = dev_get_drvdata(device);
1018         struct ath_softc *sc = hw->priv;
1019         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1020
1021         if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1022                 dev_info(device, "WOW is enabled, bypassing PCI suspend\n");
1023                 return 0;
1024         }
1025
1026         /* The device has to be moved to FULLSLEEP forcibly.
1027          * Otherwise the chip never moved to full sleep,
1028          * when no interface is up.
1029          */
1030         ath9k_stop_btcoex(sc);
1031         ath9k_hw_disable(sc->sc_ah);
1032         del_timer_sync(&sc->sleep_timer);
1033         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1034
1035         return 0;
1036 }
1037
1038 static int ath_pci_resume(struct device *device)
1039 {
1040         struct pci_dev *pdev = to_pci_dev(device);
1041         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1042         struct ath_softc *sc = hw->priv;
1043         struct ath_hw *ah = sc->sc_ah;
1044         struct ath_common *common = ath9k_hw_common(ah);
1045         u32 val;
1046
1047         /*
1048          * Suspend/Resume resets the PCI configuration space, so we have to
1049          * re-disable the RETRY_TIMEOUT register (0x41) to keep
1050          * PCI Tx retries from interfering with C3 CPU state
1051          */
1052         pci_read_config_dword(pdev, 0x40, &val);
1053         if ((val & 0x0000ff00) != 0)
1054                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1055
1056         ath_pci_aspm_init(common);
1057         ah->reset_power_on = false;
1058
1059         return 0;
1060 }
1061
1062 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1063
1064 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
1065
1066 #else /* !CONFIG_PM_SLEEP */
1067
1068 #define ATH9K_PM_OPS    NULL
1069
1070 #endif /* !CONFIG_PM_SLEEP */
1071
1072
1073 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1074
1075 static struct pci_driver ath_pci_driver = {
1076         .name       = "ath9k",
1077         .id_table   = ath_pci_id_table,
1078         .probe      = ath_pci_probe,
1079         .remove     = ath_pci_remove,
1080         .driver.pm  = ATH9K_PM_OPS,
1081 };
1082
1083 int ath_pci_init(void)
1084 {
1085         return pci_register_driver(&ath_pci_driver);
1086 }
1087
1088 void ath_pci_exit(void)
1089 {
1090         pci_unregister_driver(&ath_pci_driver);
1091 }