Version:  2.0.40 2.2.26 2.4.37 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7

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

  1 /*
  2  * Copyright (c) 2008-2011 Atheros Communications Inc.
  3  *
  4  * Permission to use, copy, modify, and/or distribute this software for any
  5  * purpose with or without fee is hereby granted, provided that the above
  6  * copyright notice and this permission notice appear in all copies.
  7  *
  8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 15  */
 16 
 17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
 18 
 19 #include <linux/nl80211.h>
 20 #include <linux/pci.h>
 21 #include <linux/pci-aspm.h>
 22 #include <linux/ath9k_platform.h>
 23 #include <linux/module.h>
 24 #include "ath9k.h"
 25 
 26 static 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         { PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
 31 
 32 #ifdef CONFIG_ATH9K_PCOEM
 33         /* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
 34         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 35                          0x0029,
 36                          PCI_VENDOR_ID_ATHEROS,
 37                          0x2096),
 38           .driver_data = ATH9K_PCI_LED_ACT_HI },
 39 #endif
 40 
 41         { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
 42 
 43 #ifdef CONFIG_ATH9K_PCOEM
 44         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 45                          0x002A,
 46                          PCI_VENDOR_ID_AZWAVE,
 47                          0x1C71),
 48           .driver_data = ATH9K_PCI_D3_L1_WAR },
 49         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 50                          0x002A,
 51                          PCI_VENDOR_ID_FOXCONN,
 52                          0xE01F),
 53           .driver_data = ATH9K_PCI_D3_L1_WAR },
 54         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 55                          0x002A,
 56                          0x11AD, /* LITEON */
 57                          0x6632),
 58           .driver_data = ATH9K_PCI_D3_L1_WAR },
 59         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 60                          0x002A,
 61                          0x11AD, /* LITEON */
 62                          0x6642),
 63           .driver_data = ATH9K_PCI_D3_L1_WAR },
 64         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 65                          0x002A,
 66                          PCI_VENDOR_ID_QMI,
 67                          0x0306),
 68           .driver_data = ATH9K_PCI_D3_L1_WAR },
 69         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 70                          0x002A,
 71                          0x185F, /* WNC */
 72                          0x309D),
 73           .driver_data = ATH9K_PCI_D3_L1_WAR },
 74         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 75                          0x002A,
 76                          0x10CF, /* Fujitsu */
 77                          0x147C),
 78           .driver_data = ATH9K_PCI_D3_L1_WAR },
 79         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 80                          0x002A,
 81                          0x10CF, /* Fujitsu */
 82                          0x147D),
 83           .driver_data = ATH9K_PCI_D3_L1_WAR },
 84         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 85                          0x002A,
 86                          0x10CF, /* Fujitsu */
 87                          0x1536),
 88           .driver_data = ATH9K_PCI_D3_L1_WAR },
 89 
 90         /* AR9285 card for Asus */
 91         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
 92                          0x002B,
 93                          PCI_VENDOR_ID_AZWAVE,
 94                          0x2C37),
 95           .driver_data = ATH9K_PCI_BT_ANT_DIV },
 96 #endif
 97 
 98         { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
 99         { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
100         { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
101         { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
102 
103         /* Killer Wireless (3x3) */
104         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
105                          0x0030,
106                          0x1A56,
107                          0x2000),
108           .driver_data = ATH9K_PCI_KILLER },
109         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
110                          0x0030,
111                          0x1A56,
112                          0x2001),
113           .driver_data = ATH9K_PCI_KILLER },
114 
115         { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
116 
117 #ifdef CONFIG_ATH9K_PCOEM
118         /* PCI-E CUS198 */
119         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
120                          0x0032,
121                          PCI_VENDOR_ID_AZWAVE,
122                          0x2086),
123           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
124         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
125                          0x0032,
126                          PCI_VENDOR_ID_AZWAVE,
127                          0x1237),
128           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
129         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
130                          0x0032,
131                          PCI_VENDOR_ID_AZWAVE,
132                          0x2126),
133           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
134         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
135                          0x0032,
136                          PCI_VENDOR_ID_AZWAVE,
137                          0x126A),
138           .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
139 
140         /* PCI-E CUS230 */
141         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
142                          0x0032,
143                          PCI_VENDOR_ID_AZWAVE,
144                          0x2152),
145           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
146         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
147                          0x0032,
148                          PCI_VENDOR_ID_FOXCONN,
149                          0xE075),
150           .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
151 
152         /* WB225 */
153         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
154                          0x0032,
155                          PCI_VENDOR_ID_ATHEROS,
156                          0x3119),
157           .driver_data = ATH9K_PCI_BT_ANT_DIV },
158         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
159                          0x0032,
160                          PCI_VENDOR_ID_ATHEROS,
161                          0x3122),
162           .driver_data = ATH9K_PCI_BT_ANT_DIV },
163         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
164                          0x0032,
165                          0x185F, /* WNC */
166                          0x3119),
167           .driver_data = ATH9K_PCI_BT_ANT_DIV },
168         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
169                          0x0032,
170                          0x185F, /* WNC */
171                          0x3027),
172           .driver_data = ATH9K_PCI_BT_ANT_DIV },
173         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
174                          0x0032,
175                          PCI_VENDOR_ID_SAMSUNG,
176                          0x4105),
177           .driver_data = ATH9K_PCI_BT_ANT_DIV },
178         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
179                          0x0032,
180                          PCI_VENDOR_ID_SAMSUNG,
181                          0x4106),
182           .driver_data = ATH9K_PCI_BT_ANT_DIV },
183         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
184                          0x0032,
185                          PCI_VENDOR_ID_SAMSUNG,
186                          0x410D),
187           .driver_data = ATH9K_PCI_BT_ANT_DIV },
188         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
189                          0x0032,
190                          PCI_VENDOR_ID_SAMSUNG,
191                          0x410E),
192           .driver_data = ATH9K_PCI_BT_ANT_DIV },
193         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
194                          0x0032,
195                          PCI_VENDOR_ID_SAMSUNG,
196                          0x410F),
197           .driver_data = ATH9K_PCI_BT_ANT_DIV },
198         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
199                          0x0032,
200                          PCI_VENDOR_ID_SAMSUNG,
201                          0xC706),
202           .driver_data = ATH9K_PCI_BT_ANT_DIV },
203         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
204                          0x0032,
205                          PCI_VENDOR_ID_SAMSUNG,
206                          0xC680),
207           .driver_data = ATH9K_PCI_BT_ANT_DIV },
208         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
209                          0x0032,
210                          PCI_VENDOR_ID_SAMSUNG,
211                          0xC708),
212           .driver_data = ATH9K_PCI_BT_ANT_DIV },
213         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
214                          0x0032,
215                          PCI_VENDOR_ID_LENOVO,
216                          0x3218),
217           .driver_data = ATH9K_PCI_BT_ANT_DIV },
218         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
219                          0x0032,
220                          PCI_VENDOR_ID_LENOVO,
221                          0x3219),
222           .driver_data = ATH9K_PCI_BT_ANT_DIV },
223 
224         /* AR9485 cards with PLL power-save disabled by default. */
225         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
226                          0x0032,
227                          PCI_VENDOR_ID_AZWAVE,
228                          0x2C97),
229           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
230         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
231                          0x0032,
232                          PCI_VENDOR_ID_AZWAVE,
233                          0x2100),
234           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
235         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
236                          0x0032,
237                          0x1C56, /* ASKEY */
238                          0x4001),
239           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
240         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
241                          0x0032,
242                          0x11AD, /* LITEON */
243                          0x6627),
244           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
245         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
246                          0x0032,
247                          0x11AD, /* LITEON */
248                          0x6628),
249           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
250         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
251                          0x0032,
252                          PCI_VENDOR_ID_FOXCONN,
253                          0xE04E),
254           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
255         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
256                          0x0032,
257                          PCI_VENDOR_ID_FOXCONN,
258                          0xE04F),
259           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
260         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
261                          0x0032,
262                          0x144F, /* ASKEY */
263                          0x7197),
264           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
265         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
266                          0x0032,
267                          0x1B9A, /* XAVI */
268                          0x2000),
269           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
270         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
271                          0x0032,
272                          0x1B9A, /* XAVI */
273                          0x2001),
274           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
275         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
276                          0x0032,
277                          PCI_VENDOR_ID_AZWAVE,
278                          0x1186),
279           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
280         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
281                          0x0032,
282                          PCI_VENDOR_ID_AZWAVE,
283                          0x1F86),
284           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
285         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
286                          0x0032,
287                          PCI_VENDOR_ID_AZWAVE,
288                          0x1195),
289           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
290         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
291                          0x0032,
292                          PCI_VENDOR_ID_AZWAVE,
293                          0x1F95),
294           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
295         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
296                          0x0032,
297                          0x1B9A, /* XAVI */
298                          0x1C00),
299           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
300         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
301                          0x0032,
302                          0x1B9A, /* XAVI */
303                          0x1C01),
304           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
305         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
306                          0x0032,
307                          PCI_VENDOR_ID_ASUSTEK,
308                          0x850D),
309           .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
310 #endif
311 
312         { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
313         { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
314 
315 #ifdef CONFIG_ATH9K_PCOEM
316         /* PCI-E CUS217 */
317         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
318                          0x0034,
319                          PCI_VENDOR_ID_AZWAVE,
320                          0x2116),
321           .driver_data = ATH9K_PCI_CUS217 },
322         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
323                          0x0034,
324                          0x11AD, /* LITEON */
325                          0x6661),
326           .driver_data = ATH9K_PCI_CUS217 },
327 
328         /* AR9462 with WoW support */
329         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
330                          0x0034,
331                          PCI_VENDOR_ID_ATHEROS,
332                          0x3117),
333           .driver_data = ATH9K_PCI_WOW },
334         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
335                          0x0034,
336                          PCI_VENDOR_ID_LENOVO,
337                          0x3214),
338           .driver_data = ATH9K_PCI_WOW },
339         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
340                          0x0034,
341                          PCI_VENDOR_ID_ATTANSIC,
342                          0x0091),
343           .driver_data = ATH9K_PCI_WOW },
344         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
345                          0x0034,
346                          PCI_VENDOR_ID_AZWAVE,
347                          0x2110),
348           .driver_data = ATH9K_PCI_WOW },
349         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
350                          0x0034,
351                          PCI_VENDOR_ID_ASUSTEK,
352                          0x850E),
353           .driver_data = ATH9K_PCI_WOW },
354         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
355                          0x0034,
356                          0x11AD, /* LITEON */
357                          0x6631),
358           .driver_data = ATH9K_PCI_WOW },
359         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
360                          0x0034,
361                          0x11AD, /* LITEON */
362                          0x6641),
363           .driver_data = ATH9K_PCI_WOW },
364         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
365                          0x0034,
366                          PCI_VENDOR_ID_HP,
367                          0x1864),
368           .driver_data = ATH9K_PCI_WOW },
369         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
370                          0x0034,
371                          0x14CD, /* USI */
372                          0x0063),
373           .driver_data = ATH9K_PCI_WOW },
374         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
375                          0x0034,
376                          0x14CD, /* USI */
377                          0x0064),
378           .driver_data = ATH9K_PCI_WOW },
379         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
380                          0x0034,
381                          0x10CF, /* Fujitsu */
382                          0x1783),
383           .driver_data = ATH9K_PCI_WOW },
384 
385         /* Killer Wireless (2x2) */
386         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
387                          0x0030,
388                          0x1A56,
389                          0x2003),
390           .driver_data = ATH9K_PCI_KILLER },
391 
392         { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
393         { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
394 
395         /* CUS252 */
396         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
397                          0x0036,
398                          PCI_VENDOR_ID_ATHEROS,
399                          0x3028),
400           .driver_data = ATH9K_PCI_CUS252 |
401                          ATH9K_PCI_AR9565_2ANT |
402                          ATH9K_PCI_BT_ANT_DIV },
403         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
404                          0x0036,
405                          PCI_VENDOR_ID_AZWAVE,
406                          0x2176),
407           .driver_data = ATH9K_PCI_CUS252 |
408                          ATH9K_PCI_AR9565_2ANT |
409                          ATH9K_PCI_BT_ANT_DIV },
410 
411         /* WB335 1-ANT */
412         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
413                          0x0036,
414                          PCI_VENDOR_ID_FOXCONN,
415                          0xE068),
416           .driver_data = ATH9K_PCI_AR9565_1ANT },
417         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
418                          0x0036,
419                          0x185F, /* WNC */
420                          0xA119),
421           .driver_data = ATH9K_PCI_AR9565_1ANT },
422         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
423                          0x0036,
424                          0x11AD, /* LITEON */
425                          0x0632),
426           .driver_data = ATH9K_PCI_AR9565_1ANT },
427         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
428                          0x0036,
429                          0x11AD, /* LITEON */
430                          0x06B2),
431           .driver_data = ATH9K_PCI_AR9565_1ANT },
432         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
433                          0x0036,
434                          0x11AD, /* LITEON */
435                          0x0842),
436           .driver_data = ATH9K_PCI_AR9565_1ANT },
437         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
438                          0x0036,
439                          0x11AD, /* LITEON */
440                          0x1842),
441           .driver_data = ATH9K_PCI_AR9565_1ANT },
442         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
443                          0x0036,
444                          0x11AD, /* LITEON */
445                          0x6671),
446           .driver_data = ATH9K_PCI_AR9565_1ANT },
447         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
448                          0x0036,
449                          0x1B9A, /* XAVI */
450                          0x2811),
451           .driver_data = ATH9K_PCI_AR9565_1ANT },
452         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
453                          0x0036,
454                          0x1B9A, /* XAVI */
455                          0x2812),
456           .driver_data = ATH9K_PCI_AR9565_1ANT },
457         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
458                          0x0036,
459                          0x1B9A, /* XAVI */
460                          0x28A1),
461           .driver_data = ATH9K_PCI_AR9565_1ANT },
462         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
463                          0x0036,
464                          0x1B9A, /* XAVI */
465                          0x28A3),
466           .driver_data = ATH9K_PCI_AR9565_1ANT },
467         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
468                          0x0036,
469                          PCI_VENDOR_ID_AZWAVE,
470                          0x218A),
471           .driver_data = ATH9K_PCI_AR9565_1ANT },
472         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
473                          0x0036,
474                          PCI_VENDOR_ID_AZWAVE,
475                          0x2F8A),
476           .driver_data = ATH9K_PCI_AR9565_1ANT },
477 
478         /* WB335 1-ANT / Antenna Diversity */
479         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
480                          0x0036,
481                          PCI_VENDOR_ID_ATHEROS,
482                          0x3025),
483           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
484         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
485                          0x0036,
486                          PCI_VENDOR_ID_ATHEROS,
487                          0x3026),
488           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
489         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
490                          0x0036,
491                          PCI_VENDOR_ID_ATHEROS,
492                          0x302B),
493           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
494         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
495                          0x0036,
496                          PCI_VENDOR_ID_FOXCONN,
497                          0xE069),
498           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
499         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
500                          0x0036,
501                          0x185F, /* WNC */
502                          0x3028),
503           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
504         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
505                          0x0036,
506                          0x11AD, /* LITEON */
507                          0x0622),
508           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
509         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
510                          0x0036,
511                          0x11AD, /* LITEON */
512                          0x0672),
513           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
514         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
515                          0x0036,
516                          0x11AD, /* LITEON */
517                          0x0662),
518           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
519         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
520                          0x0036,
521                          0x11AD, /* LITEON */
522                          0x06A2),
523           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
524         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
525                          0x0036,
526                          0x11AD, /* LITEON */
527                          0x0682),
528           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
529         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
530                          0x0036,
531                          PCI_VENDOR_ID_AZWAVE,
532                          0x213A),
533           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
534         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
535                          0x0036,
536                          PCI_VENDOR_ID_AZWAVE,
537                          0x213C),
538           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
539         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
540                          0x0036,
541                          PCI_VENDOR_ID_HP,
542                          0x18E3),
543           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
544         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
545                          0x0036,
546                          PCI_VENDOR_ID_HP,
547                          0x217F),
548           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
549         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
550                          0x0036,
551                          PCI_VENDOR_ID_HP,
552                          0x2005),
553           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
554         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
555                          0x0036,
556                          PCI_VENDOR_ID_DELL,
557                          0x020C),
558           .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
559 
560         /* WB335 2-ANT / Antenna-Diversity */
561         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
562                          0x0036,
563                          PCI_VENDOR_ID_SAMSUNG,
564                          0x411A),
565           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
566         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
567                          0x0036,
568                          PCI_VENDOR_ID_SAMSUNG,
569                          0x411B),
570           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
571         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
572                          0x0036,
573                          PCI_VENDOR_ID_SAMSUNG,
574                          0x411C),
575           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
576         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
577                          0x0036,
578                          PCI_VENDOR_ID_SAMSUNG,
579                          0x411D),
580           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
581         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
582                          0x0036,
583                          PCI_VENDOR_ID_SAMSUNG,
584                          0x411E),
585           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
586         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
587                          0x0036,
588                          PCI_VENDOR_ID_SAMSUNG,
589                          0x4129),
590           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
591         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
592                          0x0036,
593                          PCI_VENDOR_ID_SAMSUNG,
594                          0x412A),
595           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
596         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
597                          0x0036,
598                          PCI_VENDOR_ID_ATHEROS,
599                          0x3027),
600           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
601         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
602                          0x0036,
603                          PCI_VENDOR_ID_ATHEROS,
604                          0x302C),
605           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
606         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
607                          0x0036,
608                          0x11AD, /* LITEON */
609                          0x0642),
610           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
611         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
612                          0x0036,
613                          0x11AD, /* LITEON */
614                          0x0652),
615           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
616         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
617                          0x0036,
618                          0x11AD, /* LITEON */
619                          0x0612),
620           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
621         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
622                          0x0036,
623                          0x11AD, /* LITEON */
624                          0x0832),
625           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
626         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
627                          0x0036,
628                          0x11AD, /* LITEON */
629                          0x1832),
630           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
631         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
632                          0x0036,
633                          0x11AD, /* LITEON */
634                          0x0692),
635           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
636         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
637                          0x0036,
638                          0x11AD, /* LITEON */
639                          0x0803),
640           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
641         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
642                          0x0036,
643                          0x11AD, /* LITEON */
644                          0x0813),
645           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
646         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
647                          0x0036,
648                          PCI_VENDOR_ID_AZWAVE,
649                          0x2130),
650           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
651         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
652                          0x0036,
653                          PCI_VENDOR_ID_AZWAVE,
654                          0x213B),
655           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
656         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
657                          0x0036,
658                          PCI_VENDOR_ID_AZWAVE,
659                          0x2182),
660           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
661         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
662                          0x0036,
663                          PCI_VENDOR_ID_AZWAVE,
664                          0x218B),
665           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
666         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
667                          0x0036,
668                          PCI_VENDOR_ID_AZWAVE,
669                          0x218C),
670           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
671         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
672                          0x0036,
673                          PCI_VENDOR_ID_AZWAVE,
674                          0x2F82),
675           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
676         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
677                          0x0036,
678                          0x144F, /* ASKEY */
679                          0x7202),
680           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
681         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
682                          0x0036,
683                          0x1B9A, /* XAVI */
684                          0x2810),
685           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
686         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
687                          0x0036,
688                          0x1B9A, /* XAVI */
689                          0x2813),
690           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
691         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
692                          0x0036,
693                          0x1B9A, /* XAVI */
694                          0x28A2),
695           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
696         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
697                          0x0036,
698                          0x1B9A, /* XAVI */
699                          0x28A4),
700           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
701         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
702                          0x0036,
703                          0x185F, /* WNC */
704                          0x3027),
705           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
706         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
707                          0x0036,
708                          0x185F, /* WNC */
709                          0xA120),
710           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
711         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
712                          0x0036,
713                          PCI_VENDOR_ID_FOXCONN,
714                          0xE07F),
715           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
716         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
717                          0x0036,
718                          PCI_VENDOR_ID_FOXCONN,
719                          0xE08F),
720           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
721         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
722                          0x0036,
723                          PCI_VENDOR_ID_FOXCONN,
724                          0xE081),
725           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
726         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
727                          0x0036,
728                          PCI_VENDOR_ID_FOXCONN,
729                          0xE091),
730           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
731         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
732                          0x0036,
733                          PCI_VENDOR_ID_FOXCONN,
734                          0xE099),
735           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
736         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
737                          0x0036,
738                          PCI_VENDOR_ID_LENOVO,
739                          0x3026),
740           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
741         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
742                          0x0036,
743                          PCI_VENDOR_ID_LENOVO,
744                          0x4026),
745           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
746         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
747                          0x0036,
748                          PCI_VENDOR_ID_ASUSTEK,
749                          0x85F2),
750           .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
751         { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
752                          0x0036,
753                          PCI_VENDOR_ID_DELL,
754                          0x020E),
755           .driver_data = ATH9K_PCI_AR9565_2ANT |
756                          ATH9K_PCI_BT_ANT_DIV |
757                          ATH9K_PCI_LED_ACT_HI},
758 
759         /* PCI-E AR9565 (WB335) */
760         { PCI_VDEVICE(ATHEROS, 0x0036),
761           .driver_data = ATH9K_PCI_BT_ANT_DIV },
762 #endif
763 
764         { 0 }
765 };
766 
767 
768 /* return bus cachesize in 4B word units */
769 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
770 {
771         struct ath_softc *sc = (struct ath_softc *) common->priv;
772         u8 u8tmp;
773 
774         pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
775         *csz = (int)u8tmp;
776 
777         /*
778          * This check was put in to avoid "unpleasant" consequences if
779          * the bootrom has not fully initialized all PCI devices.
780          * Sometimes the cache line size register is not set
781          */
782 
783         if (*csz == 0)
784                 *csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
785 }
786 
787 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
788 {
789         struct ath_softc *sc = (struct ath_softc *) common->priv;
790         struct ath9k_platform_data *pdata = sc->dev->platform_data;
791 
792         if (pdata && !pdata->use_eeprom) {
793                 if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
794                         ath_err(common,
795                                 "%s: eeprom read failed, offset %08x is out of range\n",
796                                 __func__, off);
797                 }
798 
799                 *data = pdata->eeprom_data[off];
800         } else {
801                 struct ath_hw *ah = (struct ath_hw *) common->ah;
802 
803                 common->ops->read(ah, AR5416_EEPROM_OFFSET +
804                                       (off << AR5416_EEPROM_S));
805 
806                 if (!ath9k_hw_wait(ah,
807                                    AR_EEPROM_STATUS_DATA,
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),
815                            AR_EEPROM_STATUS_DATA_VAL);
816         }
817 
818         return true;
819 }
820 
821 /* Need to be called after we discover btcoex capabilities */
822 static void ath_pci_aspm_init(struct ath_common *common)
823 {
824         struct ath_softc *sc = (struct ath_softc *) common->priv;
825         struct ath_hw *ah = sc->sc_ah;
826         struct pci_dev *pdev = to_pci_dev(sc->dev);
827         struct pci_dev *parent;
828         u16 aspm;
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         pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
871         if (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 
879 static 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 
886 static 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 
895         if (pcim_enable_device(pdev))
896                 return -EIO;
897 
898         ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
899         if (ret) {
900                 pr_err("32-bit DMA not available\n");
901                 return ret;
902         }
903 
904         ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
905         if (ret) {
906                 pr_err("32-bit DMA consistent DMA enable failed\n");
907                 return ret;
908         }
909 
910         /*
911          * Cache line size is used to size and align various
912          * structures used to communicate with the hardware.
913          */
914         pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
915         if (csz == 0) {
916                 /*
917                  * Linux 2.4.18 (at least) writes the cache line size
918                  * register as a 16-bit wide register which is wrong.
919                  * We must have this setup properly for rx buffer
920                  * DMA to work so force a reasonable value here if it
921                  * comes up zero.
922                  */
923                 csz = L1_CACHE_BYTES / sizeof(u32);
924                 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
925         }
926         /*
927          * The default setting of latency timer yields poor results,
928          * set it to the value used by other systems. It may be worth
929          * tweaking this setting more.
930          */
931         pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
932 
933         pci_set_master(pdev);
934 
935         /*
936          * Disable the RETRY_TIMEOUT register (0x41) to keep
937          * PCI Tx retries from interfering with C3 CPU state.
938          */
939         pci_read_config_dword(pdev, 0x40, &val);
940         if ((val & 0x0000ff00) != 0)
941                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
942 
943         ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
944         if (ret) {
945                 dev_err(&pdev->dev, "PCI memory region reserve error\n");
946                 return -ENODEV;
947         }
948 
949         ath9k_fill_chanctx_ops();
950         hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
951         if (!hw) {
952                 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
953                 return -ENOMEM;
954         }
955 
956         SET_IEEE80211_DEV(hw, &pdev->dev);
957         pci_set_drvdata(pdev, hw);
958 
959         sc = hw->priv;
960         sc->hw = hw;
961         sc->dev = &pdev->dev;
962         sc->mem = pcim_iomap_table(pdev)[0];
963         sc->driver_data = id->driver_data;
964 
965         ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
966         if (ret) {
967                 dev_err(&pdev->dev, "request_irq failed\n");
968                 goto err_irq;
969         }
970 
971         sc->irq = pdev->irq;
972 
973         ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
974         if (ret) {
975                 dev_err(&pdev->dev, "Failed to initialize device\n");
976                 goto err_init;
977         }
978 
979         ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
980         wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
981                    hw_name, (unsigned long)sc->mem, pdev->irq);
982 
983         return 0;
984 
985 err_init:
986         free_irq(sc->irq, sc);
987 err_irq:
988         ieee80211_free_hw(hw);
989         return ret;
990 }
991 
992 static void ath_pci_remove(struct pci_dev *pdev)
993 {
994         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
995         struct ath_softc *sc = hw->priv;
996 
997         if (!is_ath9k_unloaded)
998                 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
999         ath9k_deinit_device(sc);
1000         free_irq(sc->irq, sc);
1001         ieee80211_free_hw(sc->hw);
1002 }
1003 
1004 #ifdef CONFIG_PM_SLEEP
1005 
1006 static int ath_pci_suspend(struct device *device)
1007 {
1008         struct pci_dev *pdev = to_pci_dev(device);
1009         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1010         struct ath_softc *sc = hw->priv;
1011         struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1012 
1013         if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1014                 dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1015                 return 0;
1016         }
1017 
1018         /* The device has to be moved to FULLSLEEP forcibly.
1019          * Otherwise the chip never moved to full sleep,
1020          * when no interface is up.
1021          */
1022         ath9k_stop_btcoex(sc);
1023         ath9k_hw_disable(sc->sc_ah);
1024         del_timer_sync(&sc->sleep_timer);
1025         ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1026 
1027         return 0;
1028 }
1029 
1030 static int ath_pci_resume(struct device *device)
1031 {
1032         struct pci_dev *pdev = to_pci_dev(device);
1033         struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1034         struct ath_softc *sc = hw->priv;
1035         struct ath_hw *ah = sc->sc_ah;
1036         struct ath_common *common = ath9k_hw_common(ah);
1037         u32 val;
1038 
1039         /*
1040          * Suspend/Resume resets the PCI configuration space, so we have to
1041          * re-disable the RETRY_TIMEOUT register (0x41) to keep
1042          * PCI Tx retries from interfering with C3 CPU state
1043          */
1044         pci_read_config_dword(pdev, 0x40, &val);
1045         if ((val & 0x0000ff00) != 0)
1046                 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1047 
1048         ath_pci_aspm_init(common);
1049         ah->reset_power_on = false;
1050 
1051         return 0;
1052 }
1053 
1054 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1055 
1056 #define ATH9K_PM_OPS    (&ath9k_pm_ops)
1057 
1058 #else /* !CONFIG_PM_SLEEP */
1059 
1060 #define ATH9K_PM_OPS    NULL
1061 
1062 #endif /* !CONFIG_PM_SLEEP */
1063 
1064 
1065 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1066 
1067 static struct pci_driver ath_pci_driver = {
1068         .name       = "ath9k",
1069         .id_table   = ath_pci_id_table,
1070         .probe      = ath_pci_probe,
1071         .remove     = ath_pci_remove,
1072         .driver.pm  = ATH9K_PM_OPS,
1073 };
1074 
1075 int ath_pci_init(void)
1076 {
1077         return pci_register_driver(&ath_pci_driver);
1078 }
1079 
1080 void ath_pci_exit(void)
1081 {
1082         pci_unregister_driver(&ath_pci_driver);
1083 }
1084 

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