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

   1 /*
   2  * Copyright (c) 2008-2011 Atheros Communications Inc.
   3  *
   4  * Permission to use, copy, modify, and/or distribute this software for any
   5  * purpose with or without fee is hereby granted, provided that the above
   6  * copyright notice and this permission notice appear in all copies.
   7  *
   8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
   9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  15  */
  16
  17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
  18
  19 #include <linux/nl80211.h>
  20 #include <linux/pci.h>
  21 #include <linux/pci-aspm.h>
  22 #include <linux/ath9k_platform.h>
  23 #include <linux/module.h>
  24 #include "ath9k.h"
  25
  26 static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
  27         { PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  28         { PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  29         { PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  30         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  31         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  32
  33         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  34                          0x002A,
  35                          PCI_VENDOR_ID_AZWAVE,
  36                          0x1C71),
  37           .driver_data = ATH9K_PCI_D3_L1_WAR },
  38         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  39                          0x002A,
  40                          PCI_VENDOR_ID_FOXCONN,
  41                          0xE01F),
  42           .driver_data = ATH9K_PCI_D3_L1_WAR },
  43         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  44                          0x002A,
  45                          0x11AD, /* LITEON */
  46                          0x6632),
  47           .driver_data = ATH9K_PCI_D3_L1_WAR },
  48         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  49                          0x002A,
  50                          0x11AD, /* LITEON */
  51                          0x6642),
  52           .driver_data = ATH9K_PCI_D3_L1_WAR },
  53         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  54                          0x002A,
  55                          PCI_VENDOR_ID_QMI,
  56                          0x0306),
  57           .driver_data = ATH9K_PCI_D3_L1_WAR },
  58         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  59                          0x002A,
  60                          0x185F, /* WNC */
  61                          0x309D),
  62           .driver_data = ATH9K_PCI_D3_L1_WAR },
  63         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  64                          0x002A,
  65                          0x10CF, /* Fujitsu */
  66                          0x147C),
  67           .driver_data = ATH9K_PCI_D3_L1_WAR },
  68         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  69                          0x002A,
  70                          0x10CF, /* Fujitsu */
  71                          0x147D),
  72           .driver_data = ATH9K_PCI_D3_L1_WAR },
  73         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  74                          0x002A,
  75                          0x10CF, /* Fujitsu */
  76                          0x1536),
  77           .driver_data = ATH9K_PCI_D3_L1_WAR },
  78
  79         /* AR9285 card for Asus */
  80         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  81                          0x002B,
  82                          PCI_VENDOR_ID_AZWAVE,
  83                          0x2C37),
  84           .driver_data = ATH9K_PCI_BT_ANT_DIV },
  85
  86         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
  87         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
  88         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
  89         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
  90         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
  91
  92         /* PCI-E CUS198 */
  93         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  94                          0x0032,
  95                          PCI_VENDOR_ID_AZWAVE,
  96                          0x2086),
  97           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
  98         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  99                          0x0032,
 100                          PCI_VENDOR_ID_AZWAVE,
 101                          0x1237),
 102           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 103         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 104                          0x0032,
 105                          PCI_VENDOR_ID_AZWAVE,
 106                          0x2126),
 107           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 108         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 109                          0x0032,
 110                          PCI_VENDOR_ID_AZWAVE,
 111                          0x126A),
 112           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 113
 114         /* PCI-E CUS230 */
 115         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 116                          0x0032,
 117                          PCI_VENDOR_ID_AZWAVE,
 118                          0x2152),
 119           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 120         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 121                          0x0032,
 122                          PCI_VENDOR_ID_FOXCONN,
 123                          0xE075),
 124           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 125
 126         /* WB225 */
 127         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 128                          0x0032,
 129                          PCI_VENDOR_ID_ATHEROS,
 130                          0x3119),
 131           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 132         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 133                          0x0032,
 134                          PCI_VENDOR_ID_ATHEROS,
 135                          0x3122),
 136           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 137         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 138                          0x0032,
 139                          0x185F, /* WNC */
 140                          0x3119),
 141           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 142         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 143                          0x0032,
 144                          0x185F, /* WNC */
 145                          0x3027),
 146           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 147         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 148                          0x0032,
 149                          PCI_VENDOR_ID_SAMSUNG,
 150                          0x4105),
 151           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 152         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 153                          0x0032,
 154                          PCI_VENDOR_ID_SAMSUNG,
 155                          0x4106),
 156           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 157         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 158                          0x0032,
 159                          PCI_VENDOR_ID_SAMSUNG,
 160                          0x410D),
 161           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 162         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 163                          0x0032,
 164                          PCI_VENDOR_ID_SAMSUNG,
 165                          0x410E),
 166           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 167         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 168                          0x0032,
 169                          PCI_VENDOR_ID_SAMSUNG,
 170                          0x410F),
 171           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 172         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 173                          0x0032,
 174                          PCI_VENDOR_ID_SAMSUNG,
 175                          0xC706),
 176           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 177         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 178                          0x0032,
 179                          PCI_VENDOR_ID_SAMSUNG,
 180                          0xC680),
 181           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 182         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 183                          0x0032,
 184                          PCI_VENDOR_ID_SAMSUNG,
 185                          0xC708),
 186           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 187         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 188                          0x0032,
 189                          PCI_VENDOR_ID_LENOVO,
 190                          0x3218),
 191           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 192         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 193                          0x0032,
 194                          PCI_VENDOR_ID_LENOVO,
 195                          0x3219),
 196           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 197
 198         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 199         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 200
 201         /* PCI-E CUS217 */
 202         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 203                          0x0034,
 204                          PCI_VENDOR_ID_AZWAVE,
 205                          0x2116),
 206           .driver_data = ATH9K_PCI_CUS217 },
 207         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 208                          0x0034,
 209                          0x11AD, /* LITEON */
 210                          0x6661),
 211           .driver_data = ATH9K_PCI_CUS217 },
 212
 213         /* AR9462 with WoW support */
 214         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 215                          0x0034,
 216                          PCI_VENDOR_ID_ATHEROS,
 217                          0x3117),
 218           .driver_data = ATH9K_PCI_WOW },
 219         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 220                          0x0034,
 221                          PCI_VENDOR_ID_LENOVO,
 222                          0x3214),
 223           .driver_data = ATH9K_PCI_WOW },
 224         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 225                          0x0034,
 226                          PCI_VENDOR_ID_ATTANSIC,
 227                          0x0091),
 228           .driver_data = ATH9K_PCI_WOW },
 229         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 230                          0x0034,
 231                          PCI_VENDOR_ID_AZWAVE,
 232                          0x2110),
 233           .driver_data = ATH9K_PCI_WOW },
 234         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 235                          0x0034,
 236                          PCI_VENDOR_ID_ASUSTEK,
 237                          0x850E),
 238           .driver_data = ATH9K_PCI_WOW },
 239         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 240                          0x0034,
 241                          0x11AD, /* LITEON */
 242                          0x6631),
 243           .driver_data = ATH9K_PCI_WOW },
 244         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 245                          0x0034,
 246                          0x11AD, /* LITEON */
 247                          0x6641),
 248           .driver_data = ATH9K_PCI_WOW },
 249         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 250                          0x0034,
 251                          PCI_VENDOR_ID_HP,
 252                          0x1864),
 253           .driver_data = ATH9K_PCI_WOW },
 254         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 255                          0x0034,
 256                          0x14CD, /* USI */
 257                          0x0063),
 258           .driver_data = ATH9K_PCI_WOW },
 259         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 260                          0x0034,
 261                          0x14CD, /* USI */
 262                          0x0064),
 263           .driver_data = ATH9K_PCI_WOW },
 264         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 265                          0x0034,
 266                          0x10CF, /* Fujitsu */
 267                          0x1783),
 268           .driver_data = ATH9K_PCI_WOW },
 269
 270         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 271         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 272
 273         /* CUS252 */
 274         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 275                          0x0036,
 276                          PCI_VENDOR_ID_ATHEROS,
 277                          0x3028),
 278           .driver_data = ATH9K_PCI_CUS252 |
 279                          ATH9K_PCI_AR9565_2ANT |
 280                          ATH9K_PCI_BT_ANT_DIV },
 281         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 282                          0x0036,
 283                          PCI_VENDOR_ID_AZWAVE,
 284                          0x2176),
 285           .driver_data = ATH9K_PCI_CUS252 |
 286                          ATH9K_PCI_AR9565_2ANT |
 287                          ATH9K_PCI_BT_ANT_DIV },
 288
 289         /* WB335 1-ANT */
 290         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 291                          0x0036,
 292                          PCI_VENDOR_ID_FOXCONN,
 293                          0xE068),
 294           .driver_data = ATH9K_PCI_AR9565_1ANT },
 295         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 296                          0x0036,
 297                          0x185F, /* WNC */
 298                          0xA119),
 299           .driver_data = ATH9K_PCI_AR9565_1ANT },
 300         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 301                          0x0036,
 302                          0x11AD, /* LITEON */
 303                          0x0632),
 304           .driver_data = ATH9K_PCI_AR9565_1ANT },
 305         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 306                          0x0036,
 307                          0x11AD, /* LITEON */
 308                          0x6671),
 309           .driver_data = ATH9K_PCI_AR9565_1ANT },
 310         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 311                          0x0036,
 312                          0x1B9A, /* XAVI */
 313                          0x2811),
 314           .driver_data = ATH9K_PCI_AR9565_1ANT },
 315         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 316                          0x0036,
 317                          0x1B9A, /* XAVI */
 318                          0x2812),
 319           .driver_data = ATH9K_PCI_AR9565_1ANT },
 320
 321         /* WB335 1-ANT / Antenna Diversity */
 322         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 323                          0x0036,
 324                          PCI_VENDOR_ID_ATHEROS,
 325                          0x3025),
 326           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 327         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 328                          0x0036,
 329                          PCI_VENDOR_ID_ATHEROS,
 330                          0x3026),
 331           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 332         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 333                          0x0036,
 334                          PCI_VENDOR_ID_ATHEROS,
 335                          0x302B),
 336           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 337         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 338                          0x0036,
 339                          PCI_VENDOR_ID_FOXCONN,
 340                          0xE069),
 341           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 342         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 343                          0x0036,
 344                          0x185F, /* WNC */
 345                          0x3028),
 346           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 347         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 348                          0x0036,
 349                          0x11AD, /* LITEON */
 350                          0x0622),
 351           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 352         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 353                          0x0036,
 354                          0x11AD, /* LITEON */
 355                          0x0672),
 356           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 357         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 358                          0x0036,
 359                          0x11AD, /* LITEON */
 360                          0x0662),
 361           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 362         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 363                          0x0036,
 364                          PCI_VENDOR_ID_AZWAVE,
 365                          0x213A),
 366           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 367         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 368                          0x0036,
 369                          PCI_VENDOR_ID_LENOVO,
 370                          0x3026),
 371           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 372         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 373                          0x0036,
 374                          PCI_VENDOR_ID_HP,
 375                          0x18E3),
 376           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 377         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 378                          0x0036,
 379                          PCI_VENDOR_ID_HP,
 380                          0x217F),
 381           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 382         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 383                          0x0036,
 384                          PCI_VENDOR_ID_DELL,
 385                          0x020E),
 386           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 387
 388         /* WB335 2-ANT */
 389         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 390                          0x0036,
 391                          PCI_VENDOR_ID_SAMSUNG,
 392                          0x411A),
 393           .driver_data = ATH9K_PCI_AR9565_2ANT },
 394         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 395                          0x0036,
 396                          PCI_VENDOR_ID_SAMSUNG,
 397                          0x411B),
 398           .driver_data = ATH9K_PCI_AR9565_2ANT },
 399         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 400                          0x0036,
 401                          PCI_VENDOR_ID_SAMSUNG,
 402                          0x411C),
 403           .driver_data = ATH9K_PCI_AR9565_2ANT },
 404         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 405                          0x0036,
 406                          PCI_VENDOR_ID_SAMSUNG,
 407                          0x411D),
 408           .driver_data = ATH9K_PCI_AR9565_2ANT },
 409         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 410                          0x0036,
 411                          PCI_VENDOR_ID_SAMSUNG,
 412                          0x411E),
 413           .driver_data = ATH9K_PCI_AR9565_2ANT },
 414
 415         /* WB335 2-ANT / Antenna-Diversity */
 416         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 417                          0x0036,
 418                          PCI_VENDOR_ID_ATHEROS,
 419                          0x3027),
 420           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 421         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 422                          0x0036,
 423                          PCI_VENDOR_ID_ATHEROS,
 424                          0x302C),
 425           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 426         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 427                          0x0036,
 428                          0x11AD, /* LITEON */
 429                          0x0642),
 430           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 431         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 432                          0x0036,
 433                          0x11AD, /* LITEON */
 434                          0x0652),
 435           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 436         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 437                          0x0036,
 438                          0x11AD, /* LITEON */
 439                          0x0612),
 440           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 441         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 442                          0x0036,
 443                          PCI_VENDOR_ID_AZWAVE,
 444                          0x2130),
 445           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 446         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 447                          0x0036,
 448                          0x144F, /* ASKEY */
 449                          0x7202),
 450           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 451         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 452                          0x0036,
 453                          0x1B9A, /* XAVI */
 454                          0x2810),
 455           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 456         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 457                          0x0036,
 458                          0x185F, /* WNC */
 459                          0x3027),
 460           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 461
 462         /* PCI-E AR9565 (WB335) */
 463         { PCI_VDEVICE(ATHEROS, 0x0036),
 464           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 465
 466         { 0 }
 467 };
 468
 469
 470 /* return bus cachesize in 4B word units */
 471 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 472 {
 473         struct ath_softc *sc = (struct ath_softc *) common->priv;
 474         u8 u8tmp;
 475
 476         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 477         *csz = (int)u8tmp;
 478
 479         /*
 480          * This check was put in to avoid "unpleasant" consequences if
 481          * the bootrom has not fully initialized all PCI devices.
 482          * Sometimes the cache line size register is not set
 483          */
 484
 485         if (*csz == 0)
 486                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 487 }
 488
 489 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 490 {
 491         struct ath_softc *sc = (struct ath_softc *) common->priv;
 492         struct ath9k_platform_data *pdata = sc->dev->platform_data;
 493
 494         if (pdata) {
 495                 if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
 496                         ath_err(common,
 497                                 "%s: eeprom read failed, offset %08x is out of range\n",
 498                                 __func__, off);
 499                 }
 500
 501                 *data = pdata->eeprom_data[off];
 502         } else {
 503                 struct ath_hw *ah = (struct ath_hw *) common->ah;
 504
 505                 common->ops->read(ah, AR5416_EEPROM_OFFSET +
 506                                       (off << AR5416_EEPROM_S));
 507
 508                 if (!ath9k_hw_wait(ah,
 509                                    AR_EEPROM_STATUS_DATA,
 510                                    AR_EEPROM_STATUS_DATA_BUSY |
 511                                    AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 512                                    AH_WAIT_TIMEOUT)) {
 513                         return false;
 514                 }
 515
 516                 *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
 517                            AR_EEPROM_STATUS_DATA_VAL);
 518         }
 519
 520         return true;
 521 }
 522
 523 /* Need to be called after we discover btcoex capabilities */
 524 static void ath_pci_aspm_init(struct ath_common *common)
 525 {
 526         struct ath_softc *sc = (struct ath_softc *) common->priv;
 527         struct ath_hw *ah = sc->sc_ah;
 528         struct pci_dev *pdev = to_pci_dev(sc->dev);
 529         struct pci_dev *parent;
 530         u16 aspm;
 531
 532         if (!ah->is_pciexpress)
 533                 return;
 534
 535         parent = pdev->bus->self;
 536         if (!parent)
 537                 return;
 538
 539         if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 540             (AR_SREV_9285(ah))) {
 541                 /* Bluetooth coexistence requires disabling ASPM. */
 542                 pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 543                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 544
 545                 /*
 546                  * Both upstream and downstream PCIe components should
 547                  * have the same ASPM settings.
 548                  */
 549                 pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 550                         PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 551
 552                 ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 553                 return;
 554         }
 555
 556         /*
 557          * 0x70c - Ack Frequency Register.
 558          *
 559          * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 560          *
 561          * 000 : 1 us
 562          * 001 : 2 us
 563          * 010 : 4 us
 564          * 011 : 8 us
 565          * 100 : 16 us
 566          * 101 : 32 us
 567          * 110/111 : 64 us
 568          */
 569         if (AR_SREV_9462(ah))
 570                 pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 571
 572         pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 573         if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
 574                 ah->aspm_enabled = true;
 575                 /* Initialize PCIe PM and SERDES registers. */
 576                 ath9k_hw_configpcipowersave(ah, false);
 577                 ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 578         }
 579 }
 580
 581 static const struct ath_bus_ops ath_pci_bus_ops = {
 582         .ath_bus_type = ATH_PCI,
 583         .read_cachesize = ath_pci_read_cachesize,
 584         .eeprom_read = ath_pci_eeprom_read,
 585         .aspm_init = ath_pci_aspm_init,
 586 };
 587
 588 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 589 {
 590         struct ath_softc *sc;
 591         struct ieee80211_hw *hw;
 592         u8 csz;
 593         u32 val;
 594         int ret = 0;
 595         char hw_name[64];
 596
 597         if (pcim_enable_device(pdev))
 598                 return -EIO;
 599
 600         ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
 601         if (ret) {
 602                 pr_err("32-bit DMA not available\n");
 603                 return ret;
 604         }
 605
 606         ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
 607         if (ret) {
 608                 pr_err("32-bit DMA consistent DMA enable failed\n");
 609                 return ret;
 610         }
 611
 612         /*
 613          * Cache line size is used to size and align various
 614          * structures used to communicate with the hardware.
 615          */
 616         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 617         if (csz == 0) {
 618                 /*
 619                  * Linux 2.4.18 (at least) writes the cache line size
 620                  * register as a 16-bit wide register which is wrong.
 621                  * We must have this setup properly for rx buffer
 622                  * DMA to work so force a reasonable value here if it
 623                  * comes up zero.
 624                  */
 625                 csz = L1_CACHE_BYTES / sizeof(u32);
 626                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 627         }
 628         /*
 629          * The default setting of latency timer yields poor results,
 630          * set it to the value used by other systems. It may be worth
 631          * tweaking this setting more.
 632          */
 633         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 634
 635         pci_set_master(pdev);
 636
 637         /*
 638          * Disable the RETRY_TIMEOUT register (0x41) to keep
 639          * PCI Tx retries from interfering with C3 CPU state.
 640          */
 641         pci_read_config_dword(pdev, 0x40, &val);
 642         if ((val & 0x0000ff00) != 0)
 643                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 644
 645         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 646         if (ret) {
 647                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
 648                 return -ENODEV;
 649         }
 650
 651         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 652         if (!hw) {
 653                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 654                 return -ENOMEM;
 655         }
 656
 657         SET_IEEE80211_DEV(hw, &pdev->dev);
 658         pci_set_drvdata(pdev, hw);
 659
 660         sc = hw->priv;
 661         sc->hw = hw;
 662         sc->dev = &pdev->dev;
 663         sc->mem = pcim_iomap_table(pdev)[0];
 664         sc->driver_data = id->driver_data;
 665
 666         /* Will be cleared in ath9k_start() */
 667         set_bit(SC_OP_INVALID, &sc->sc_flags);
 668
 669         ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 670         if (ret) {
 671                 dev_err(&pdev->dev, "request_irq failed\n");
 672                 goto err_irq;
 673         }
 674
 675         sc->irq = pdev->irq;
 676
 677         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 678         if (ret) {
 679                 dev_err(&pdev->dev, "Failed to initialize device\n");
 680                 goto err_init;
 681         }
 682
 683         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 684         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
 685                    hw_name, (unsigned long)sc->mem, pdev->irq);
 686
 687         return 0;
 688
 689 err_init:
 690         free_irq(sc->irq, sc);
 691 err_irq:
 692         ieee80211_free_hw(hw);
 693         return ret;
 694 }
 695
 696 static void ath_pci_remove(struct pci_dev *pdev)
 697 {
 698         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 699         struct ath_softc *sc = hw->priv;
 700
 701         if (!is_ath9k_unloaded)
 702                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
 703         ath9k_deinit_device(sc);
 704         free_irq(sc->irq, sc);
 705         ieee80211_free_hw(sc->hw);
 706 }
 707
 708 #ifdef CONFIG_PM_SLEEP
 709
 710 static int ath_pci_suspend(struct device *device)
 711 {
 712         struct pci_dev *pdev = to_pci_dev(device);
 713         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 714         struct ath_softc *sc = hw->priv;
 715
 716         if (sc->wow_enabled)
 717                 return 0;
 718
 719         /* The device has to be moved to FULLSLEEP forcibly.
 720          * Otherwise the chip never moved to full sleep,
 721          * when no interface is up.
 722          */
 723         ath9k_stop_btcoex(sc);
 724         ath9k_hw_disable(sc->sc_ah);
 725         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
 726
 727         return 0;
 728 }
 729
 730 static int ath_pci_resume(struct device *device)
 731 {
 732         struct pci_dev *pdev = to_pci_dev(device);
 733         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
 734         struct ath_softc *sc = hw->priv;
 735         struct ath_hw *ah = sc->sc_ah;
 736         struct ath_common *common = ath9k_hw_common(ah);
 737         u32 val;
 738
 739         /*
 740          * Suspend/Resume resets the PCI configuration space, so we have to
 741          * re-disable the RETRY_TIMEOUT register (0x41) to keep
 742          * PCI Tx retries from interfering with C3 CPU state
 743          */
 744         pci_read_config_dword(pdev, 0x40, &val);
 745         if ((val & 0x0000ff00) != 0)
 746                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 747
 748         ath_pci_aspm_init(common);
 749         ah->reset_power_on = false;
 750
 751         return 0;
 752 }
 753
 754 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
 755
 756 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
 757
 758 #else /* !CONFIG_PM_SLEEP */
 759
 760 #define ATH9K_PM_OPS    NULL
 761
 762 #endif /* !CONFIG_PM_SLEEP */
 763
 764
 765 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
 766
 767 static struct pci_driver ath_pci_driver = {
 768         .name       = "ath9k",
 769         .id_table   = ath_pci_id_table,
 770         .probe      = ath_pci_probe,
 771         .remove     = ath_pci_remove,
 772         .driver.pm  = ATH9K_PM_OPS,
 773 };
 774
 775 int ath_pci_init(void)
 776 {
 777         return pci_register_driver(&ath_pci_driver);
 778 }
 779
 780 void ath_pci_exit(void)
 781 {
 782         pci_unregister_driver(&ath_pci_driver);
 783 }