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
  24static 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 */
 780static 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
 798static 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 */
 819static 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
 877static 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
 884static 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
 994err_init:
 995	free_irq(sc->irq, sc);
 996err_irq:
 997	ieee80211_free_hw(hw);
 998	return ret;
 999}
1000
1001static 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
1015static 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	timer_delete_sync(&sc->sleep_timer);
1033	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1034
1035	return 0;
1036}
1037
1038static 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
1062static 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
1073MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1074
1075static 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
1083int ath_pci_init(void)
1084{
1085	return pci_register_driver(&ath_pci_driver);
1086}
1087
1088void ath_pci_exit(void)
1089{
1090	pci_unregister_driver(&ath_pci_driver);
1091}