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
  24extern int ath9k_use_msi;
  25
  26static const struct pci_device_id ath_pci_id_table[] = {
  27	{ PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
  28	{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
  29	{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
  30
  31#ifdef CONFIG_ATH9K_PCOEM
  32	/* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
  33	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  34			 0x0029,
  35			 PCI_VENDOR_ID_ATHEROS,
  36			 0x2096),
  37	  .driver_data = ATH9K_PCI_LED_ACT_HI },
  38#endif
  39
  40	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
  41
  42#ifdef CONFIG_ATH9K_PCOEM
  43	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  44			 0x002A,
  45			 PCI_VENDOR_ID_AZWAVE,
  46			 0x1C71),
  47	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  48	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  49			 0x002A,
  50			 PCI_VENDOR_ID_FOXCONN,
  51			 0xE01F),
  52	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  53	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  54			 0x002A,
  55			 0x11AD, /* LITEON */
  56			 0x6632),
  57	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  58	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  59			 0x002A,
  60			 0x11AD, /* LITEON */
  61			 0x6642),
  62	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  63	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  64			 0x002A,
  65			 PCI_VENDOR_ID_QMI,
  66			 0x0306),
  67	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  68	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  69			 0x002A,
  70			 0x185F, /* WNC */
  71			 0x309D),
  72	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  73	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  74			 0x002A,
  75			 0x10CF, /* Fujitsu */
  76			 0x147C),
  77	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  78	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  79			 0x002A,
  80			 0x10CF, /* Fujitsu */
  81			 0x147D),
  82	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  83	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  84			 0x002A,
  85			 0x10CF, /* Fujitsu */
  86			 0x1536),
  87	  .driver_data = ATH9K_PCI_D3_L1_WAR },
  88#endif
  89
  90	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
  91
  92#ifdef CONFIG_ATH9K_PCOEM
  93	/* AR9285 card for Asus */
  94	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
  95			 0x002B,
  96			 PCI_VENDOR_ID_AZWAVE,
  97			 0x2C37),
  98	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
  99#endif
 100
 101	{ PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 102	{ PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
 103	{ PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
 104	{ PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
 105
 106	/* Killer Wireless (3x3) */
 107	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 108			 0x0030,
 109			 0x1A56,
 110			 0x2000),
 111	  .driver_data = ATH9K_PCI_KILLER },
 112	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 113			 0x0030,
 114			 0x1A56,
 115			 0x2001),
 116	  .driver_data = ATH9K_PCI_KILLER },
 117
 118	{ PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
 119
 120#ifdef CONFIG_ATH9K_PCOEM
 121	/* PCI-E CUS198 */
 122	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 123			 0x0032,
 124			 PCI_VENDOR_ID_AZWAVE,
 125			 0x2086),
 126	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 127	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 128			 0x0032,
 129			 PCI_VENDOR_ID_AZWAVE,
 130			 0x1237),
 131	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 132	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 133			 0x0032,
 134			 PCI_VENDOR_ID_AZWAVE,
 135			 0x2126),
 136	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 137	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 138			 0x0032,
 139			 PCI_VENDOR_ID_AZWAVE,
 140			 0x126A),
 141	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
 142
 143	/* PCI-E CUS230 */
 144	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 145			 0x0032,
 146			 PCI_VENDOR_ID_AZWAVE,
 147			 0x2152),
 148	  .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 149	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 150			 0x0032,
 151			 PCI_VENDOR_ID_FOXCONN,
 152			 0xE075),
 153	  .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
 154
 155	/* WB225 */
 156	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 157			 0x0032,
 158			 PCI_VENDOR_ID_ATHEROS,
 159			 0x3119),
 160	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 161	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 162			 0x0032,
 163			 PCI_VENDOR_ID_ATHEROS,
 164			 0x3122),
 165	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 166	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 167			 0x0032,
 168			 0x185F, /* WNC */
 169			 0x3119),
 170	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 171	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 172			 0x0032,
 173			 0x185F, /* WNC */
 174			 0x3027),
 175	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 176	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 177			 0x0032,
 178			 PCI_VENDOR_ID_SAMSUNG,
 179			 0x4105),
 180	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 181	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 182			 0x0032,
 183			 PCI_VENDOR_ID_SAMSUNG,
 184			 0x4106),
 185	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 186	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 187			 0x0032,
 188			 PCI_VENDOR_ID_SAMSUNG,
 189			 0x410D),
 190	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 191	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 192			 0x0032,
 193			 PCI_VENDOR_ID_SAMSUNG,
 194			 0x410E),
 195	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 196	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 197			 0x0032,
 198			 PCI_VENDOR_ID_SAMSUNG,
 199			 0x410F),
 200	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 201	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 202			 0x0032,
 203			 PCI_VENDOR_ID_SAMSUNG,
 204			 0xC706),
 205	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 206	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 207			 0x0032,
 208			 PCI_VENDOR_ID_SAMSUNG,
 209			 0xC680),
 210	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 211	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 212			 0x0032,
 213			 PCI_VENDOR_ID_SAMSUNG,
 214			 0xC708),
 215	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 216	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 217			 0x0032,
 218			 PCI_VENDOR_ID_LENOVO,
 219			 0x3218),
 220	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 221	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 222			 0x0032,
 223			 PCI_VENDOR_ID_LENOVO,
 224			 0x3219),
 225	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 226
 227	/* AR9485 cards with PLL power-save disabled by default. */
 228	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 229			 0x0032,
 230			 PCI_VENDOR_ID_AZWAVE,
 231			 0x2C97),
 232	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 233	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 234			 0x0032,
 235			 PCI_VENDOR_ID_AZWAVE,
 236			 0x2100),
 237	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 238	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 239			 0x0032,
 240			 0x1C56, /* ASKEY */
 241			 0x4001),
 242	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 243	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 244			 0x0032,
 245			 0x11AD, /* LITEON */
 246			 0x6627),
 247	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 248	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 249			 0x0032,
 250			 0x11AD, /* LITEON */
 251			 0x6628),
 252	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 253	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 254			 0x0032,
 255			 PCI_VENDOR_ID_FOXCONN,
 256			 0xE04E),
 257	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 258	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 259			 0x0032,
 260			 PCI_VENDOR_ID_FOXCONN,
 261			 0xE04F),
 262	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 263	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 264			 0x0032,
 265			 0x144F, /* ASKEY */
 266			 0x7197),
 267	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 268	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 269			 0x0032,
 270			 0x1B9A, /* XAVI */
 271			 0x2000),
 272	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 273	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 274			 0x0032,
 275			 0x1B9A, /* XAVI */
 276			 0x2001),
 277	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 278	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 279			 0x0032,
 280			 PCI_VENDOR_ID_AZWAVE,
 281			 0x1186),
 282	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 283	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 284			 0x0032,
 285			 PCI_VENDOR_ID_AZWAVE,
 286			 0x1F86),
 287	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 288	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 289			 0x0032,
 290			 PCI_VENDOR_ID_AZWAVE,
 291			 0x1195),
 292	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 293	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 294			 0x0032,
 295			 PCI_VENDOR_ID_AZWAVE,
 296			 0x1F95),
 297	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 298	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 299			 0x0032,
 300			 0x1B9A, /* XAVI */
 301			 0x1C00),
 302	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 303	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 304			 0x0032,
 305			 0x1B9A, /* XAVI */
 306			 0x1C01),
 307	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 308	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 309			 0x0032,
 310			 PCI_VENDOR_ID_ASUSTEK,
 311			 0x850D),
 312	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
 313#endif
 314
 315	{ PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
 316	{ PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
 317
 318#ifdef CONFIG_ATH9K_PCOEM
 319	/* PCI-E CUS217 */
 320	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 321			 0x0034,
 322			 PCI_VENDOR_ID_AZWAVE,
 323			 0x2116),
 324	  .driver_data = ATH9K_PCI_CUS217 },
 325	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 326			 0x0034,
 327			 0x11AD, /* LITEON */
 328			 0x6661),
 329	  .driver_data = ATH9K_PCI_CUS217 },
 330
 331	/* AR9462 with WoW support */
 332	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 333			 0x0034,
 334			 PCI_VENDOR_ID_ATHEROS,
 335			 0x3117),
 336	  .driver_data = ATH9K_PCI_WOW },
 337	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 338			 0x0034,
 339			 PCI_VENDOR_ID_LENOVO,
 340			 0x3214),
 341	  .driver_data = ATH9K_PCI_WOW },
 342	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 343			 0x0034,
 344			 PCI_VENDOR_ID_ATTANSIC,
 345			 0x0091),
 346	  .driver_data = ATH9K_PCI_WOW },
 347	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 348			 0x0034,
 349			 PCI_VENDOR_ID_AZWAVE,
 350			 0x2110),
 351	  .driver_data = ATH9K_PCI_WOW },
 352	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 353			 0x0034,
 354			 PCI_VENDOR_ID_ASUSTEK,
 355			 0x850E),
 356	  .driver_data = ATH9K_PCI_WOW },
 357	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 358			 0x0034,
 359			 0x11AD, /* LITEON */
 360			 0x6631),
 361	  .driver_data = ATH9K_PCI_WOW },
 362	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 363			 0x0034,
 364			 0x11AD, /* LITEON */
 365			 0x6641),
 366	  .driver_data = ATH9K_PCI_WOW },
 367	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 368			 0x0034,
 369			 PCI_VENDOR_ID_HP,
 370			 0x1864),
 371	  .driver_data = ATH9K_PCI_WOW },
 372	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 373			 0x0034,
 374			 0x14CD, /* USI */
 375			 0x0063),
 376	  .driver_data = ATH9K_PCI_WOW },
 377	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 378			 0x0034,
 379			 0x14CD, /* USI */
 380			 0x0064),
 381	  .driver_data = ATH9K_PCI_WOW },
 382	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 383			 0x0034,
 384			 0x10CF, /* Fujitsu */
 385			 0x1783),
 386	  .driver_data = ATH9K_PCI_WOW },
 387	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 388			 0x0034,
 389			 PCI_VENDOR_ID_DELL,
 390			 0x020B),
 391	  .driver_data = ATH9K_PCI_WOW },
 392	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 393			 0x0034,
 394			 PCI_VENDOR_ID_DELL,
 395			 0x0300),
 396	  .driver_data = ATH9K_PCI_WOW },
 397
 398	/* Killer Wireless (2x2) */
 399	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 400			 0x0030,
 401			 0x1A56,
 402			 0x2003),
 403	  .driver_data = ATH9K_PCI_KILLER },
 404
 405	{ PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
 406	{ PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
 407
 408	/* CUS252 */
 409	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 410			 0x0036,
 411			 PCI_VENDOR_ID_ATHEROS,
 412			 0x3028),
 413	  .driver_data = ATH9K_PCI_CUS252 |
 414			 ATH9K_PCI_AR9565_2ANT |
 415			 ATH9K_PCI_BT_ANT_DIV },
 416	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 417			 0x0036,
 418			 PCI_VENDOR_ID_AZWAVE,
 419			 0x2176),
 420	  .driver_data = ATH9K_PCI_CUS252 |
 421			 ATH9K_PCI_AR9565_2ANT |
 422			 ATH9K_PCI_BT_ANT_DIV },
 423
 424	/* WB335 1-ANT */
 425	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 426			 0x0036,
 427			 PCI_VENDOR_ID_FOXCONN,
 428			 0xE068),
 429	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 430	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 431			 0x0036,
 432			 0x185F, /* WNC */
 433			 0xA119),
 434	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 435	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 436			 0x0036,
 437			 0x11AD, /* LITEON */
 438			 0x0632),
 439	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 440	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 441			 0x0036,
 442			 0x11AD, /* LITEON */
 443			 0x06B2),
 444	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 445	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 446			 0x0036,
 447			 0x11AD, /* LITEON */
 448			 0x0842),
 449	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 450	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 451			 0x0036,
 452			 0x11AD, /* LITEON */
 453			 0x1842),
 454	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 455	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 456			 0x0036,
 457			 0x11AD, /* LITEON */
 458			 0x6671),
 459	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 460	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 461			 0x0036,
 462			 0x1B9A, /* XAVI */
 463			 0x2811),
 464	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 465	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 466			 0x0036,
 467			 0x1B9A, /* XAVI */
 468			 0x2812),
 469	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 470	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 471			 0x0036,
 472			 0x1B9A, /* XAVI */
 473			 0x28A1),
 474	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 475	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 476			 0x0036,
 477			 0x1B9A, /* XAVI */
 478			 0x28A3),
 479	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 480	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 481			 0x0036,
 482			 PCI_VENDOR_ID_AZWAVE,
 483			 0x218A),
 484	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 485	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 486			 0x0036,
 487			 PCI_VENDOR_ID_AZWAVE,
 488			 0x2F8A),
 489	  .driver_data = ATH9K_PCI_AR9565_1ANT },
 490
 491	/* WB335 1-ANT / Antenna Diversity */
 492	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 493			 0x0036,
 494			 PCI_VENDOR_ID_ATHEROS,
 495			 0x3025),
 496	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 497	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 498			 0x0036,
 499			 PCI_VENDOR_ID_ATHEROS,
 500			 0x3026),
 501	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 502	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 503			 0x0036,
 504			 PCI_VENDOR_ID_ATHEROS,
 505			 0x302B),
 506	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 507	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 508			 0x0036,
 509			 PCI_VENDOR_ID_FOXCONN,
 510			 0xE069),
 511	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 512	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 513			 0x0036,
 514			 0x185F, /* WNC */
 515			 0x3028),
 516	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 517	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 518			 0x0036,
 519			 0x11AD, /* LITEON */
 520			 0x0622),
 521	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 522	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 523			 0x0036,
 524			 0x11AD, /* LITEON */
 525			 0x0672),
 526	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 527	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 528			 0x0036,
 529			 0x11AD, /* LITEON */
 530			 0x0662),
 531	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 532	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 533			 0x0036,
 534			 0x11AD, /* LITEON */
 535			 0x06A2),
 536	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 537	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 538			 0x0036,
 539			 0x11AD, /* LITEON */
 540			 0x0682),
 541	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 542	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 543			 0x0036,
 544			 PCI_VENDOR_ID_AZWAVE,
 545			 0x213A),
 546	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 547	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 548			 0x0036,
 549			 PCI_VENDOR_ID_AZWAVE,
 550			 0x213C),
 551	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 552	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 553			 0x0036,
 554			 PCI_VENDOR_ID_HP,
 555			 0x18E3),
 556	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 557	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 558			 0x0036,
 559			 PCI_VENDOR_ID_HP,
 560			 0x217F),
 561	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 562	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 563			 0x0036,
 564			 PCI_VENDOR_ID_HP,
 565			 0x2005),
 566	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 567	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 568			 0x0036,
 569			 PCI_VENDOR_ID_DELL,
 570			 0x020C),
 571	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
 572
 573	/* WB335 2-ANT / Antenna-Diversity */
 574	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 575			 0x0036,
 576			 PCI_VENDOR_ID_SAMSUNG,
 577			 0x411A),
 578	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 579	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 580			 0x0036,
 581			 PCI_VENDOR_ID_SAMSUNG,
 582			 0x411B),
 583	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 584	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 585			 0x0036,
 586			 PCI_VENDOR_ID_SAMSUNG,
 587			 0x411C),
 588	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 589	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 590			 0x0036,
 591			 PCI_VENDOR_ID_SAMSUNG,
 592			 0x411D),
 593	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 594	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 595			 0x0036,
 596			 PCI_VENDOR_ID_SAMSUNG,
 597			 0x411E),
 598	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 599	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 600			 0x0036,
 601			 PCI_VENDOR_ID_SAMSUNG,
 602			 0x4129),
 603	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 604	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 605			 0x0036,
 606			 PCI_VENDOR_ID_SAMSUNG,
 607			 0x412A),
 608	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 609	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 610			 0x0036,
 611			 PCI_VENDOR_ID_ATHEROS,
 612			 0x3027),
 613	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 614	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 615			 0x0036,
 616			 PCI_VENDOR_ID_ATHEROS,
 617			 0x302C),
 618	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 619	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 620			 0x0036,
 621			 0x11AD, /* LITEON */
 622			 0x0642),
 623	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 624	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 625			 0x0036,
 626			 0x11AD, /* LITEON */
 627			 0x0652),
 628	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 629	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 630			 0x0036,
 631			 0x11AD, /* LITEON */
 632			 0x0612),
 633	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 634	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 635			 0x0036,
 636			 0x11AD, /* LITEON */
 637			 0x0832),
 638	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 639	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 640			 0x0036,
 641			 0x11AD, /* LITEON */
 642			 0x1832),
 643	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 644	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 645			 0x0036,
 646			 0x11AD, /* LITEON */
 647			 0x0692),
 648	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 649	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 650			 0x0036,
 651			 0x11AD, /* LITEON */
 652			 0x0803),
 653	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 654	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 655			 0x0036,
 656			 0x11AD, /* LITEON */
 657			 0x0813),
 658	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 659	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 660			 0x0036,
 661			 PCI_VENDOR_ID_AZWAVE,
 662			 0x2130),
 663	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 664	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 665			 0x0036,
 666			 PCI_VENDOR_ID_AZWAVE,
 667			 0x213B),
 668	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 669	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 670			 0x0036,
 671			 PCI_VENDOR_ID_AZWAVE,
 672			 0x2182),
 673	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 674	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 675			 0x0036,
 676			 PCI_VENDOR_ID_AZWAVE,
 677			 0x218B),
 678	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 679	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 680			 0x0036,
 681			 PCI_VENDOR_ID_AZWAVE,
 682			 0x218C),
 683	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 684	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 685			 0x0036,
 686			 PCI_VENDOR_ID_AZWAVE,
 687			 0x2F82),
 688	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 689	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 690			 0x0036,
 691			 0x144F, /* ASKEY */
 692			 0x7202),
 693	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 694	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 695			 0x0036,
 696			 0x1B9A, /* XAVI */
 697			 0x2810),
 698	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 699	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 700			 0x0036,
 701			 0x1B9A, /* XAVI */
 702			 0x2813),
 703	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 704	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 705			 0x0036,
 706			 0x1B9A, /* XAVI */
 707			 0x28A2),
 708	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 709	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 710			 0x0036,
 711			 0x1B9A, /* XAVI */
 712			 0x28A4),
 713	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 714	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 715			 0x0036,
 716			 0x185F, /* WNC */
 717			 0x3027),
 718	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 719	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 720			 0x0036,
 721			 0x185F, /* WNC */
 722			 0xA120),
 723	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 724	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 725			 0x0036,
 726			 PCI_VENDOR_ID_FOXCONN,
 727			 0xE07F),
 728	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 729	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 730			 0x0036,
 731			 PCI_VENDOR_ID_FOXCONN,
 732			 0xE08F),
 733	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 734	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 735			 0x0036,
 736			 PCI_VENDOR_ID_FOXCONN,
 737			 0xE081),
 738	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 739	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 740			 0x0036,
 741			 PCI_VENDOR_ID_FOXCONN,
 742			 0xE091),
 743	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 744	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 745			 0x0036,
 746			 PCI_VENDOR_ID_FOXCONN,
 747			 0xE099),
 748	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 749	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 750			 0x0036,
 751			 PCI_VENDOR_ID_LENOVO,
 752			 0x3026),
 753	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 754	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 755			 0x0036,
 756			 PCI_VENDOR_ID_LENOVO,
 757			 0x4026),
 758	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 759	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 760			 0x0036,
 761			 PCI_VENDOR_ID_ASUSTEK,
 762			 0x85F2),
 763	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
 764	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 765			 0x0036,
 766			 PCI_VENDOR_ID_DELL,
 767			 0x020E),
 768	  .driver_data = ATH9K_PCI_AR9565_2ANT |
 769			 ATH9K_PCI_BT_ANT_DIV |
 770			 ATH9K_PCI_LED_ACT_HI},
 771
 772	/* PCI-E AR9565 (WB335) */
 773	{ PCI_VDEVICE(ATHEROS, 0x0036),
 774	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
 775#endif
 776
 777	{ 0 }
 778};
 779
 780
 781/* return bus cachesize in 4B word units */
 782static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
 783{
 784	struct ath_softc *sc = common->priv;
 785	u8 u8tmp;
 786
 787	pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
 788	*csz = (int)u8tmp;
 789
 790	/*
 791	 * This check was put in to avoid "unpleasant" consequences if
 792	 * the bootrom has not fully initialized all PCI devices.
 793	 * Sometimes the cache line size register is not set
 794	 */
 795
 796	if (*csz == 0)
 797		*csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
 798}
 799
 800static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
 801{
 802	struct ath_hw *ah = common->ah;
 803
 804	common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
 805
 806	if (!ath9k_hw_wait(ah,
 807				AR_EEPROM_STATUS_DATA(ah),
 808				AR_EEPROM_STATUS_DATA_BUSY |
 809				AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
 810				AH_WAIT_TIMEOUT)) {
 811		return false;
 812	}
 813
 814	*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA(ah)),
 815			AR_EEPROM_STATUS_DATA_VAL);
 816
 817	return true;
 818}
 819
 820/* Need to be called after we discover btcoex capabilities */
 821static void ath_pci_aspm_init(struct ath_common *common)
 822{
 823	struct ath_softc *sc = common->priv;
 824	struct ath_hw *ah = sc->sc_ah;
 825	struct pci_dev *pdev = to_pci_dev(sc->dev);
 826	struct pci_dev *parent;
 827	u16 aspm;
 828	int ret;
 829
 830	if (!ah->is_pciexpress)
 831		return;
 832
 833	parent = pdev->bus->self;
 834	if (!parent)
 835		return;
 836
 837	if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
 838	    (AR_SREV_9285(ah))) {
 839		/* Bluetooth coexistence requires disabling ASPM. */
 840		pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
 841			PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 842
 843		/*
 844		 * Both upstream and downstream PCIe components should
 845		 * have the same ASPM settings.
 846		 */
 847		pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
 848			PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
 849
 850		ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
 851		return;
 852	}
 853
 854	/*
 855	 * 0x70c - Ack Frequency Register.
 856	 *
 857	 * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
 858	 *
 859	 * 000 : 1 us
 860	 * 001 : 2 us
 861	 * 010 : 4 us
 862	 * 011 : 8 us
 863	 * 100 : 16 us
 864	 * 101 : 32 us
 865	 * 110/111 : 64 us
 866	 */
 867	if (AR_SREV_9462(ah))
 868		pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
 869
 870	ret = pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
 871	if (!ret && (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1))) {
 872		ah->aspm_enabled = true;
 873		/* Initialize PCIe PM and SERDES registers. */
 874		ath9k_hw_configpcipowersave(ah, false);
 875		ath_info(common, "ASPM enabled: 0x%x\n", aspm);
 876	}
 877}
 878
 879static const struct ath_bus_ops ath_pci_bus_ops = {
 880	.ath_bus_type = ATH_PCI,
 881	.read_cachesize = ath_pci_read_cachesize,
 882	.eeprom_read = ath_pci_eeprom_read,
 883	.aspm_init = ath_pci_aspm_init,
 884};
 885
 886static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
 887{
 888	struct ath_softc *sc;
 889	struct ieee80211_hw *hw;
 890	u8 csz;
 891	u32 val;
 892	int ret = 0;
 893	char hw_name[64];
 894	int msi_enabled = 0;
 895
 896	if (pcim_enable_device(pdev))
 897		return -EIO;
 898
 899	ret = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32));
 900	if (ret) {
 901		pr_err("32-bit DMA not available\n");
 902		return ret;
 903	}
 904
 
 
 
 
 
 
 905	/*
 906	 * Cache line size is used to size and align various
 907	 * structures used to communicate with the hardware.
 908	 */
 909	pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
 910	if (csz == 0) {
 911		/*
 912		 * Linux 2.4.18 (at least) writes the cache line size
 913		 * register as a 16-bit wide register which is wrong.
 914		 * We must have this setup properly for rx buffer
 915		 * DMA to work so force a reasonable value here if it
 916		 * comes up zero.
 917		 */
 918		csz = L1_CACHE_BYTES / sizeof(u32);
 919		pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
 920	}
 921	/*
 922	 * The default setting of latency timer yields poor results,
 923	 * set it to the value used by other systems. It may be worth
 924	 * tweaking this setting more.
 925	 */
 926	pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
 927
 928	pci_set_master(pdev);
 929
 930	/*
 931	 * Disable the RETRY_TIMEOUT register (0x41) to keep
 932	 * PCI Tx retries from interfering with C3 CPU state.
 933	 */
 934	pci_read_config_dword(pdev, 0x40, &val);
 935	if ((val & 0x0000ff00) != 0)
 936		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
 937
 938	ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
 939	if (ret) {
 940		dev_err(&pdev->dev, "PCI memory region reserve error\n");
 941		return -ENODEV;
 942	}
 943
 944	ath9k_fill_chanctx_ops();
 945	hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
 946	if (!hw) {
 947		dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
 948		return -ENOMEM;
 949	}
 950
 951	SET_IEEE80211_DEV(hw, &pdev->dev);
 952	pci_set_drvdata(pdev, hw);
 953
 954	sc = hw->priv;
 955	sc->hw = hw;
 956	sc->dev = &pdev->dev;
 957	sc->mem = pcim_iomap_table(pdev)[0];
 958	sc->driver_data = id->driver_data;
 959
 960	if (ath9k_use_msi) {
 961		if (pci_enable_msi(pdev) == 0) {
 962			msi_enabled = 1;
 963			dev_err(&pdev->dev, "Using MSI\n");
 964		} else {
 965			dev_err(&pdev->dev, "Using INTx\n");
 966		}
 967	}
 968
 969	if (!msi_enabled)
 970		ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
 971	else
 972		ret = request_irq(pdev->irq, ath_isr, 0, "ath9k", sc);
 973
 974	if (ret) {
 975		dev_err(&pdev->dev, "request_irq failed\n");
 976		goto err_irq;
 977	}
 978
 979	sc->irq = pdev->irq;
 980
 981	ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
 982	if (ret) {
 983		dev_err(&pdev->dev, "Failed to initialize device\n");
 984		goto err_init;
 985	}
 986
 987	sc->sc_ah->msi_enabled = msi_enabled;
 988	sc->sc_ah->msi_reg = 0;
 989
 990	ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
 991	wiphy_info(hw->wiphy, "%s mem=0x%p, irq=%d\n",
 992		   hw_name, sc->mem, pdev->irq);
 993
 994	return 0;
 995
 996err_init:
 997	free_irq(sc->irq, sc);
 998err_irq:
 999	ieee80211_free_hw(hw);
1000	return ret;
1001}
1002
1003static void ath_pci_remove(struct pci_dev *pdev)
1004{
1005	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1006	struct ath_softc *sc = hw->priv;
1007
1008	if (!is_ath9k_unloaded)
1009		sc->sc_ah->ah_flags |= AH_UNPLUGGED;
1010	ath9k_deinit_device(sc);
1011	free_irq(sc->irq, sc);
1012	ieee80211_free_hw(sc->hw);
1013}
1014
1015#ifdef CONFIG_PM_SLEEP
1016
1017static int ath_pci_suspend(struct device *device)
1018{
1019	struct ieee80211_hw *hw = dev_get_drvdata(device);
1020	struct ath_softc *sc = hw->priv;
1021	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1022
1023	if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1024		dev_info(device, "WOW is enabled, bypassing PCI suspend\n");
1025		return 0;
1026	}
1027
1028	/* The device has to be moved to FULLSLEEP forcibly.
1029	 * Otherwise the chip never moved to full sleep,
1030	 * when no interface is up.
1031	 */
1032	ath9k_stop_btcoex(sc);
1033	ath9k_hw_disable(sc->sc_ah);
1034	del_timer_sync(&sc->sleep_timer);
1035	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1036
1037	return 0;
1038}
1039
1040static int ath_pci_resume(struct device *device)
1041{
1042	struct pci_dev *pdev = to_pci_dev(device);
1043	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1044	struct ath_softc *sc = hw->priv;
1045	struct ath_hw *ah = sc->sc_ah;
1046	struct ath_common *common = ath9k_hw_common(ah);
1047	u32 val;
1048
1049	/*
1050	 * Suspend/Resume resets the PCI configuration space, so we have to
1051	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
1052	 * PCI Tx retries from interfering with C3 CPU state
1053	 */
1054	pci_read_config_dword(pdev, 0x40, &val);
1055	if ((val & 0x0000ff00) != 0)
1056		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1057
1058	ath_pci_aspm_init(common);
1059	ah->reset_power_on = false;
1060
1061	return 0;
1062}
1063
1064static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1065
1066#define ATH9K_PM_OPS	(&ath9k_pm_ops)
1067
1068#else /* !CONFIG_PM_SLEEP */
1069
1070#define ATH9K_PM_OPS	NULL
1071
1072#endif /* !CONFIG_PM_SLEEP */
1073
1074
1075MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1076
1077static struct pci_driver ath_pci_driver = {
1078	.name       = "ath9k",
1079	.id_table   = ath_pci_id_table,
1080	.probe      = ath_pci_probe,
1081	.remove     = ath_pci_remove,
1082	.driver.pm  = ATH9K_PM_OPS,
1083};
1084
1085int ath_pci_init(void)
1086{
1087	return pci_register_driver(&ath_pci_driver);
1088}
1089
1090void ath_pci_exit(void)
1091{
1092	pci_unregister_driver(&ath_pci_driver);
1093}