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

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