xref: /openbmc/linux/drivers/net/wireless/ath/ath9k/pci.c (revision 1c2dd16a)
1 /*
2  * Copyright (c) 2008-2011 Atheros Communications Inc.
3  *
4  * Permission to use, copy, modify, and/or distribute this software for any
5  * purpose with or without fee is hereby granted, provided that the above
6  * copyright notice and this permission notice appear in all copies.
7  *
8  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
9  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
10  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
11  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
12  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
13  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
14  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
15  */
16 
17 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18 
19 #include <linux/nl80211.h>
20 #include <linux/pci.h>
21 #include <linux/pci-aspm.h>
22 #include <linux/module.h>
23 #include "ath9k.h"
24 
25 static const struct pci_device_id ath_pci_id_table[] = {
26 	{ PCI_VDEVICE(ATHEROS, 0x0023) }, /* PCI   */
27 	{ PCI_VDEVICE(ATHEROS, 0x0024) }, /* PCI-E */
28 	{ PCI_VDEVICE(ATHEROS, 0x0027) }, /* PCI   */
29 
30 #ifdef CONFIG_ATH9K_PCOEM
31 	/* Mini PCI AR9220 MB92 cards: Compex WLM200NX, Wistron DNMA-92 */
32 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
33 			 0x0029,
34 			 PCI_VENDOR_ID_ATHEROS,
35 			 0x2096),
36 	  .driver_data = ATH9K_PCI_LED_ACT_HI },
37 #endif
38 
39 	{ PCI_VDEVICE(ATHEROS, 0x0029) }, /* PCI   */
40 
41 #ifdef CONFIG_ATH9K_PCOEM
42 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
43 			 0x002A,
44 			 PCI_VENDOR_ID_AZWAVE,
45 			 0x1C71),
46 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
47 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
48 			 0x002A,
49 			 PCI_VENDOR_ID_FOXCONN,
50 			 0xE01F),
51 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
52 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
53 			 0x002A,
54 			 0x11AD, /* LITEON */
55 			 0x6632),
56 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
57 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
58 			 0x002A,
59 			 0x11AD, /* LITEON */
60 			 0x6642),
61 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
62 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
63 			 0x002A,
64 			 PCI_VENDOR_ID_QMI,
65 			 0x0306),
66 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
67 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
68 			 0x002A,
69 			 0x185F, /* WNC */
70 			 0x309D),
71 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
72 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
73 			 0x002A,
74 			 0x10CF, /* Fujitsu */
75 			 0x147C),
76 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
77 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
78 			 0x002A,
79 			 0x10CF, /* Fujitsu */
80 			 0x147D),
81 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
82 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
83 			 0x002A,
84 			 0x10CF, /* Fujitsu */
85 			 0x1536),
86 	  .driver_data = ATH9K_PCI_D3_L1_WAR },
87 #endif
88 
89 	{ PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
90 
91 #ifdef CONFIG_ATH9K_PCOEM
92 	/* AR9285 card for Asus */
93 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
94 			 0x002B,
95 			 PCI_VENDOR_ID_AZWAVE,
96 			 0x2C37),
97 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
98 #endif
99 
100 	{ PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
101 	{ PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
102 	{ PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI   */
103 	{ PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
104 
105 	/* Killer Wireless (3x3) */
106 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
107 			 0x0030,
108 			 0x1A56,
109 			 0x2000),
110 	  .driver_data = ATH9K_PCI_KILLER },
111 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
112 			 0x0030,
113 			 0x1A56,
114 			 0x2001),
115 	  .driver_data = ATH9K_PCI_KILLER },
116 
117 	{ PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E  AR9300 */
118 
119 #ifdef CONFIG_ATH9K_PCOEM
120 	/* PCI-E CUS198 */
121 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
122 			 0x0032,
123 			 PCI_VENDOR_ID_AZWAVE,
124 			 0x2086),
125 	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
126 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
127 			 0x0032,
128 			 PCI_VENDOR_ID_AZWAVE,
129 			 0x1237),
130 	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
131 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
132 			 0x0032,
133 			 PCI_VENDOR_ID_AZWAVE,
134 			 0x2126),
135 	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
136 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
137 			 0x0032,
138 			 PCI_VENDOR_ID_AZWAVE,
139 			 0x126A),
140 	  .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
141 
142 	/* PCI-E CUS230 */
143 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
144 			 0x0032,
145 			 PCI_VENDOR_ID_AZWAVE,
146 			 0x2152),
147 	  .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
148 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
149 			 0x0032,
150 			 PCI_VENDOR_ID_FOXCONN,
151 			 0xE075),
152 	  .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
153 
154 	/* WB225 */
155 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
156 			 0x0032,
157 			 PCI_VENDOR_ID_ATHEROS,
158 			 0x3119),
159 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
160 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
161 			 0x0032,
162 			 PCI_VENDOR_ID_ATHEROS,
163 			 0x3122),
164 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
165 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
166 			 0x0032,
167 			 0x185F, /* WNC */
168 			 0x3119),
169 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
170 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
171 			 0x0032,
172 			 0x185F, /* WNC */
173 			 0x3027),
174 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
175 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
176 			 0x0032,
177 			 PCI_VENDOR_ID_SAMSUNG,
178 			 0x4105),
179 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
180 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
181 			 0x0032,
182 			 PCI_VENDOR_ID_SAMSUNG,
183 			 0x4106),
184 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
185 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
186 			 0x0032,
187 			 PCI_VENDOR_ID_SAMSUNG,
188 			 0x410D),
189 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
190 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
191 			 0x0032,
192 			 PCI_VENDOR_ID_SAMSUNG,
193 			 0x410E),
194 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
195 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
196 			 0x0032,
197 			 PCI_VENDOR_ID_SAMSUNG,
198 			 0x410F),
199 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
200 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
201 			 0x0032,
202 			 PCI_VENDOR_ID_SAMSUNG,
203 			 0xC706),
204 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
205 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
206 			 0x0032,
207 			 PCI_VENDOR_ID_SAMSUNG,
208 			 0xC680),
209 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
210 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
211 			 0x0032,
212 			 PCI_VENDOR_ID_SAMSUNG,
213 			 0xC708),
214 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
215 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
216 			 0x0032,
217 			 PCI_VENDOR_ID_LENOVO,
218 			 0x3218),
219 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
220 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
221 			 0x0032,
222 			 PCI_VENDOR_ID_LENOVO,
223 			 0x3219),
224 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
225 
226 	/* AR9485 cards with PLL power-save disabled by default. */
227 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
228 			 0x0032,
229 			 PCI_VENDOR_ID_AZWAVE,
230 			 0x2C97),
231 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
232 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
233 			 0x0032,
234 			 PCI_VENDOR_ID_AZWAVE,
235 			 0x2100),
236 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
237 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
238 			 0x0032,
239 			 0x1C56, /* ASKEY */
240 			 0x4001),
241 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
242 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
243 			 0x0032,
244 			 0x11AD, /* LITEON */
245 			 0x6627),
246 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
247 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
248 			 0x0032,
249 			 0x11AD, /* LITEON */
250 			 0x6628),
251 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
252 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
253 			 0x0032,
254 			 PCI_VENDOR_ID_FOXCONN,
255 			 0xE04E),
256 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
257 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
258 			 0x0032,
259 			 PCI_VENDOR_ID_FOXCONN,
260 			 0xE04F),
261 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
262 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
263 			 0x0032,
264 			 0x144F, /* ASKEY */
265 			 0x7197),
266 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
267 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
268 			 0x0032,
269 			 0x1B9A, /* XAVI */
270 			 0x2000),
271 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
272 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
273 			 0x0032,
274 			 0x1B9A, /* XAVI */
275 			 0x2001),
276 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
277 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
278 			 0x0032,
279 			 PCI_VENDOR_ID_AZWAVE,
280 			 0x1186),
281 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
282 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
283 			 0x0032,
284 			 PCI_VENDOR_ID_AZWAVE,
285 			 0x1F86),
286 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
287 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
288 			 0x0032,
289 			 PCI_VENDOR_ID_AZWAVE,
290 			 0x1195),
291 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
292 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
293 			 0x0032,
294 			 PCI_VENDOR_ID_AZWAVE,
295 			 0x1F95),
296 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
297 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
298 			 0x0032,
299 			 0x1B9A, /* XAVI */
300 			 0x1C00),
301 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
302 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
303 			 0x0032,
304 			 0x1B9A, /* XAVI */
305 			 0x1C01),
306 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
307 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
308 			 0x0032,
309 			 PCI_VENDOR_ID_ASUSTEK,
310 			 0x850D),
311 	  .driver_data = ATH9K_PCI_NO_PLL_PWRSAVE },
312 #endif
313 
314 	{ PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E  AR9485 */
315 	{ PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E  AR9580 */
316 
317 #ifdef CONFIG_ATH9K_PCOEM
318 	/* PCI-E CUS217 */
319 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
320 			 0x0034,
321 			 PCI_VENDOR_ID_AZWAVE,
322 			 0x2116),
323 	  .driver_data = ATH9K_PCI_CUS217 },
324 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
325 			 0x0034,
326 			 0x11AD, /* LITEON */
327 			 0x6661),
328 	  .driver_data = ATH9K_PCI_CUS217 },
329 
330 	/* AR9462 with WoW support */
331 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
332 			 0x0034,
333 			 PCI_VENDOR_ID_ATHEROS,
334 			 0x3117),
335 	  .driver_data = ATH9K_PCI_WOW },
336 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
337 			 0x0034,
338 			 PCI_VENDOR_ID_LENOVO,
339 			 0x3214),
340 	  .driver_data = ATH9K_PCI_WOW },
341 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
342 			 0x0034,
343 			 PCI_VENDOR_ID_ATTANSIC,
344 			 0x0091),
345 	  .driver_data = ATH9K_PCI_WOW },
346 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
347 			 0x0034,
348 			 PCI_VENDOR_ID_AZWAVE,
349 			 0x2110),
350 	  .driver_data = ATH9K_PCI_WOW },
351 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
352 			 0x0034,
353 			 PCI_VENDOR_ID_ASUSTEK,
354 			 0x850E),
355 	  .driver_data = ATH9K_PCI_WOW },
356 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
357 			 0x0034,
358 			 0x11AD, /* LITEON */
359 			 0x6631),
360 	  .driver_data = ATH9K_PCI_WOW },
361 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
362 			 0x0034,
363 			 0x11AD, /* LITEON */
364 			 0x6641),
365 	  .driver_data = ATH9K_PCI_WOW },
366 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
367 			 0x0034,
368 			 PCI_VENDOR_ID_HP,
369 			 0x1864),
370 	  .driver_data = ATH9K_PCI_WOW },
371 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
372 			 0x0034,
373 			 0x14CD, /* USI */
374 			 0x0063),
375 	  .driver_data = ATH9K_PCI_WOW },
376 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
377 			 0x0034,
378 			 0x14CD, /* USI */
379 			 0x0064),
380 	  .driver_data = ATH9K_PCI_WOW },
381 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
382 			 0x0034,
383 			 0x10CF, /* Fujitsu */
384 			 0x1783),
385 	  .driver_data = ATH9K_PCI_WOW },
386 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
387 			 0x0034,
388 			 PCI_VENDOR_ID_DELL,
389 			 0x020B),
390 	  .driver_data = ATH9K_PCI_WOW },
391 
392 	/* Killer Wireless (2x2) */
393 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
394 			 0x0030,
395 			 0x1A56,
396 			 0x2003),
397 	  .driver_data = ATH9K_PCI_KILLER },
398 
399 	{ PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E  AR9462 */
400 	{ PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E  AR1111/AR9485 */
401 
402 	/* CUS252 */
403 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
404 			 0x0036,
405 			 PCI_VENDOR_ID_ATHEROS,
406 			 0x3028),
407 	  .driver_data = ATH9K_PCI_CUS252 |
408 			 ATH9K_PCI_AR9565_2ANT |
409 			 ATH9K_PCI_BT_ANT_DIV },
410 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
411 			 0x0036,
412 			 PCI_VENDOR_ID_AZWAVE,
413 			 0x2176),
414 	  .driver_data = ATH9K_PCI_CUS252 |
415 			 ATH9K_PCI_AR9565_2ANT |
416 			 ATH9K_PCI_BT_ANT_DIV },
417 
418 	/* WB335 1-ANT */
419 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
420 			 0x0036,
421 			 PCI_VENDOR_ID_FOXCONN,
422 			 0xE068),
423 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
424 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
425 			 0x0036,
426 			 0x185F, /* WNC */
427 			 0xA119),
428 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
429 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
430 			 0x0036,
431 			 0x11AD, /* LITEON */
432 			 0x0632),
433 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
434 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
435 			 0x0036,
436 			 0x11AD, /* LITEON */
437 			 0x06B2),
438 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
439 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
440 			 0x0036,
441 			 0x11AD, /* LITEON */
442 			 0x0842),
443 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
444 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
445 			 0x0036,
446 			 0x11AD, /* LITEON */
447 			 0x1842),
448 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
449 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
450 			 0x0036,
451 			 0x11AD, /* LITEON */
452 			 0x6671),
453 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
454 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
455 			 0x0036,
456 			 0x1B9A, /* XAVI */
457 			 0x2811),
458 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
459 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
460 			 0x0036,
461 			 0x1B9A, /* XAVI */
462 			 0x2812),
463 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
464 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
465 			 0x0036,
466 			 0x1B9A, /* XAVI */
467 			 0x28A1),
468 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
469 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
470 			 0x0036,
471 			 0x1B9A, /* XAVI */
472 			 0x28A3),
473 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
474 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
475 			 0x0036,
476 			 PCI_VENDOR_ID_AZWAVE,
477 			 0x218A),
478 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
479 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
480 			 0x0036,
481 			 PCI_VENDOR_ID_AZWAVE,
482 			 0x2F8A),
483 	  .driver_data = ATH9K_PCI_AR9565_1ANT },
484 
485 	/* WB335 1-ANT / Antenna Diversity */
486 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
487 			 0x0036,
488 			 PCI_VENDOR_ID_ATHEROS,
489 			 0x3025),
490 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
491 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
492 			 0x0036,
493 			 PCI_VENDOR_ID_ATHEROS,
494 			 0x3026),
495 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
496 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
497 			 0x0036,
498 			 PCI_VENDOR_ID_ATHEROS,
499 			 0x302B),
500 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
501 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
502 			 0x0036,
503 			 PCI_VENDOR_ID_FOXCONN,
504 			 0xE069),
505 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
506 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
507 			 0x0036,
508 			 0x185F, /* WNC */
509 			 0x3028),
510 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
511 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
512 			 0x0036,
513 			 0x11AD, /* LITEON */
514 			 0x0622),
515 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
516 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
517 			 0x0036,
518 			 0x11AD, /* LITEON */
519 			 0x0672),
520 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
521 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
522 			 0x0036,
523 			 0x11AD, /* LITEON */
524 			 0x0662),
525 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
526 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
527 			 0x0036,
528 			 0x11AD, /* LITEON */
529 			 0x06A2),
530 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
531 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
532 			 0x0036,
533 			 0x11AD, /* LITEON */
534 			 0x0682),
535 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
536 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
537 			 0x0036,
538 			 PCI_VENDOR_ID_AZWAVE,
539 			 0x213A),
540 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
541 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
542 			 0x0036,
543 			 PCI_VENDOR_ID_AZWAVE,
544 			 0x213C),
545 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
546 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
547 			 0x0036,
548 			 PCI_VENDOR_ID_HP,
549 			 0x18E3),
550 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
551 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
552 			 0x0036,
553 			 PCI_VENDOR_ID_HP,
554 			 0x217F),
555 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
556 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
557 			 0x0036,
558 			 PCI_VENDOR_ID_HP,
559 			 0x2005),
560 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
561 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
562 			 0x0036,
563 			 PCI_VENDOR_ID_DELL,
564 			 0x020C),
565 	  .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
566 
567 	/* WB335 2-ANT / Antenna-Diversity */
568 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
569 			 0x0036,
570 			 PCI_VENDOR_ID_SAMSUNG,
571 			 0x411A),
572 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
573 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
574 			 0x0036,
575 			 PCI_VENDOR_ID_SAMSUNG,
576 			 0x411B),
577 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
578 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
579 			 0x0036,
580 			 PCI_VENDOR_ID_SAMSUNG,
581 			 0x411C),
582 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
583 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
584 			 0x0036,
585 			 PCI_VENDOR_ID_SAMSUNG,
586 			 0x411D),
587 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
588 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
589 			 0x0036,
590 			 PCI_VENDOR_ID_SAMSUNG,
591 			 0x411E),
592 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
593 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
594 			 0x0036,
595 			 PCI_VENDOR_ID_SAMSUNG,
596 			 0x4129),
597 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
598 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
599 			 0x0036,
600 			 PCI_VENDOR_ID_SAMSUNG,
601 			 0x412A),
602 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
603 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
604 			 0x0036,
605 			 PCI_VENDOR_ID_ATHEROS,
606 			 0x3027),
607 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
608 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
609 			 0x0036,
610 			 PCI_VENDOR_ID_ATHEROS,
611 			 0x302C),
612 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
613 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
614 			 0x0036,
615 			 0x11AD, /* LITEON */
616 			 0x0642),
617 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
618 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
619 			 0x0036,
620 			 0x11AD, /* LITEON */
621 			 0x0652),
622 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
623 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
624 			 0x0036,
625 			 0x11AD, /* LITEON */
626 			 0x0612),
627 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
628 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
629 			 0x0036,
630 			 0x11AD, /* LITEON */
631 			 0x0832),
632 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
633 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
634 			 0x0036,
635 			 0x11AD, /* LITEON */
636 			 0x1832),
637 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
638 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
639 			 0x0036,
640 			 0x11AD, /* LITEON */
641 			 0x0692),
642 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
643 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
644 			 0x0036,
645 			 0x11AD, /* LITEON */
646 			 0x0803),
647 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
648 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
649 			 0x0036,
650 			 0x11AD, /* LITEON */
651 			 0x0813),
652 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
653 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
654 			 0x0036,
655 			 PCI_VENDOR_ID_AZWAVE,
656 			 0x2130),
657 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
658 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
659 			 0x0036,
660 			 PCI_VENDOR_ID_AZWAVE,
661 			 0x213B),
662 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
663 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
664 			 0x0036,
665 			 PCI_VENDOR_ID_AZWAVE,
666 			 0x2182),
667 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
668 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
669 			 0x0036,
670 			 PCI_VENDOR_ID_AZWAVE,
671 			 0x218B),
672 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
673 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
674 			 0x0036,
675 			 PCI_VENDOR_ID_AZWAVE,
676 			 0x218C),
677 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
678 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
679 			 0x0036,
680 			 PCI_VENDOR_ID_AZWAVE,
681 			 0x2F82),
682 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
683 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
684 			 0x0036,
685 			 0x144F, /* ASKEY */
686 			 0x7202),
687 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
688 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
689 			 0x0036,
690 			 0x1B9A, /* XAVI */
691 			 0x2810),
692 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
693 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
694 			 0x0036,
695 			 0x1B9A, /* XAVI */
696 			 0x2813),
697 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
698 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
699 			 0x0036,
700 			 0x1B9A, /* XAVI */
701 			 0x28A2),
702 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
703 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
704 			 0x0036,
705 			 0x1B9A, /* XAVI */
706 			 0x28A4),
707 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
708 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
709 			 0x0036,
710 			 0x185F, /* WNC */
711 			 0x3027),
712 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
713 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
714 			 0x0036,
715 			 0x185F, /* WNC */
716 			 0xA120),
717 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
718 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
719 			 0x0036,
720 			 PCI_VENDOR_ID_FOXCONN,
721 			 0xE07F),
722 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
723 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
724 			 0x0036,
725 			 PCI_VENDOR_ID_FOXCONN,
726 			 0xE08F),
727 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
728 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
729 			 0x0036,
730 			 PCI_VENDOR_ID_FOXCONN,
731 			 0xE081),
732 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
733 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
734 			 0x0036,
735 			 PCI_VENDOR_ID_FOXCONN,
736 			 0xE091),
737 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
738 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
739 			 0x0036,
740 			 PCI_VENDOR_ID_FOXCONN,
741 			 0xE099),
742 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
743 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
744 			 0x0036,
745 			 PCI_VENDOR_ID_LENOVO,
746 			 0x3026),
747 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
748 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
749 			 0x0036,
750 			 PCI_VENDOR_ID_LENOVO,
751 			 0x4026),
752 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
753 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
754 			 0x0036,
755 			 PCI_VENDOR_ID_ASUSTEK,
756 			 0x85F2),
757 	  .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
758 	{ PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
759 			 0x0036,
760 			 PCI_VENDOR_ID_DELL,
761 			 0x020E),
762 	  .driver_data = ATH9K_PCI_AR9565_2ANT |
763 			 ATH9K_PCI_BT_ANT_DIV |
764 			 ATH9K_PCI_LED_ACT_HI},
765 
766 	/* PCI-E AR9565 (WB335) */
767 	{ PCI_VDEVICE(ATHEROS, 0x0036),
768 	  .driver_data = ATH9K_PCI_BT_ANT_DIV },
769 #endif
770 
771 	{ 0 }
772 };
773 
774 
775 /* return bus cachesize in 4B word units */
776 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
777 {
778 	struct ath_softc *sc = (struct ath_softc *) common->priv;
779 	u8 u8tmp;
780 
781 	pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
782 	*csz = (int)u8tmp;
783 
784 	/*
785 	 * This check was put in to avoid "unpleasant" consequences if
786 	 * the bootrom has not fully initialized all PCI devices.
787 	 * Sometimes the cache line size register is not set
788 	 */
789 
790 	if (*csz == 0)
791 		*csz = DEFAULT_CACHELINE >> 2;   /* Use the default size */
792 }
793 
794 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
795 {
796 	struct ath_hw *ah = (struct ath_hw *) common->ah;
797 
798 	common->ops->read(ah, AR5416_EEPROM_OFFSET + (off << AR5416_EEPROM_S));
799 
800 	if (!ath9k_hw_wait(ah,
801 				AR_EEPROM_STATUS_DATA,
802 				AR_EEPROM_STATUS_DATA_BUSY |
803 				AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
804 				AH_WAIT_TIMEOUT)) {
805 		return false;
806 	}
807 
808 	*data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
809 			AR_EEPROM_STATUS_DATA_VAL);
810 
811 	return true;
812 }
813 
814 /* Need to be called after we discover btcoex capabilities */
815 static void ath_pci_aspm_init(struct ath_common *common)
816 {
817 	struct ath_softc *sc = (struct ath_softc *) common->priv;
818 	struct ath_hw *ah = sc->sc_ah;
819 	struct pci_dev *pdev = to_pci_dev(sc->dev);
820 	struct pci_dev *parent;
821 	u16 aspm;
822 
823 	if (!ah->is_pciexpress)
824 		return;
825 
826 	parent = pdev->bus->self;
827 	if (!parent)
828 		return;
829 
830 	if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
831 	    (AR_SREV_9285(ah))) {
832 		/* Bluetooth coexistence requires disabling ASPM. */
833 		pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
834 			PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
835 
836 		/*
837 		 * Both upstream and downstream PCIe components should
838 		 * have the same ASPM settings.
839 		 */
840 		pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
841 			PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
842 
843 		ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
844 		return;
845 	}
846 
847 	/*
848 	 * 0x70c - Ack Frequency Register.
849 	 *
850 	 * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
851 	 *
852 	 * 000 : 1 us
853 	 * 001 : 2 us
854 	 * 010 : 4 us
855 	 * 011 : 8 us
856 	 * 100 : 16 us
857 	 * 101 : 32 us
858 	 * 110/111 : 64 us
859 	 */
860 	if (AR_SREV_9462(ah))
861 		pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
862 
863 	pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
864 	if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
865 		ah->aspm_enabled = true;
866 		/* Initialize PCIe PM and SERDES registers. */
867 		ath9k_hw_configpcipowersave(ah, false);
868 		ath_info(common, "ASPM enabled: 0x%x\n", aspm);
869 	}
870 }
871 
872 static const struct ath_bus_ops ath_pci_bus_ops = {
873 	.ath_bus_type = ATH_PCI,
874 	.read_cachesize = ath_pci_read_cachesize,
875 	.eeprom_read = ath_pci_eeprom_read,
876 	.aspm_init = ath_pci_aspm_init,
877 };
878 
879 static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
880 {
881 	struct ath_softc *sc;
882 	struct ieee80211_hw *hw;
883 	u8 csz;
884 	u32 val;
885 	int ret = 0;
886 	char hw_name[64];
887 
888 	if (pcim_enable_device(pdev))
889 		return -EIO;
890 
891 	ret =  pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
892 	if (ret) {
893 		pr_err("32-bit DMA not available\n");
894 		return ret;
895 	}
896 
897 	ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
898 	if (ret) {
899 		pr_err("32-bit DMA consistent DMA enable failed\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 	ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
959 	if (ret) {
960 		dev_err(&pdev->dev, "request_irq failed\n");
961 		goto err_irq;
962 	}
963 
964 	sc->irq = pdev->irq;
965 
966 	ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
967 	if (ret) {
968 		dev_err(&pdev->dev, "Failed to initialize device\n");
969 		goto err_init;
970 	}
971 
972 	ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
973 	wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
974 		   hw_name, (unsigned long)sc->mem, pdev->irq);
975 
976 	return 0;
977 
978 err_init:
979 	free_irq(sc->irq, sc);
980 err_irq:
981 	ieee80211_free_hw(hw);
982 	return ret;
983 }
984 
985 static void ath_pci_remove(struct pci_dev *pdev)
986 {
987 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
988 	struct ath_softc *sc = hw->priv;
989 
990 	if (!is_ath9k_unloaded)
991 		sc->sc_ah->ah_flags |= AH_UNPLUGGED;
992 	ath9k_deinit_device(sc);
993 	free_irq(sc->irq, sc);
994 	ieee80211_free_hw(sc->hw);
995 }
996 
997 #ifdef CONFIG_PM_SLEEP
998 
999 static int ath_pci_suspend(struct device *device)
1000 {
1001 	struct pci_dev *pdev = to_pci_dev(device);
1002 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1003 	struct ath_softc *sc = hw->priv;
1004 	struct ath_common *common = ath9k_hw_common(sc->sc_ah);
1005 
1006 	if (test_bit(ATH_OP_WOW_ENABLED, &common->op_flags)) {
1007 		dev_info(&pdev->dev, "WOW is enabled, bypassing PCI suspend\n");
1008 		return 0;
1009 	}
1010 
1011 	/* The device has to be moved to FULLSLEEP forcibly.
1012 	 * Otherwise the chip never moved to full sleep,
1013 	 * when no interface is up.
1014 	 */
1015 	ath9k_stop_btcoex(sc);
1016 	ath9k_hw_disable(sc->sc_ah);
1017 	del_timer_sync(&sc->sleep_timer);
1018 	ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
1019 
1020 	return 0;
1021 }
1022 
1023 static int ath_pci_resume(struct device *device)
1024 {
1025 	struct pci_dev *pdev = to_pci_dev(device);
1026 	struct ieee80211_hw *hw = pci_get_drvdata(pdev);
1027 	struct ath_softc *sc = hw->priv;
1028 	struct ath_hw *ah = sc->sc_ah;
1029 	struct ath_common *common = ath9k_hw_common(ah);
1030 	u32 val;
1031 
1032 	/*
1033 	 * Suspend/Resume resets the PCI configuration space, so we have to
1034 	 * re-disable the RETRY_TIMEOUT register (0x41) to keep
1035 	 * PCI Tx retries from interfering with C3 CPU state
1036 	 */
1037 	pci_read_config_dword(pdev, 0x40, &val);
1038 	if ((val & 0x0000ff00) != 0)
1039 		pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
1040 
1041 	ath_pci_aspm_init(common);
1042 	ah->reset_power_on = false;
1043 
1044 	return 0;
1045 }
1046 
1047 static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
1048 
1049 #define ATH9K_PM_OPS	(&ath9k_pm_ops)
1050 
1051 #else /* !CONFIG_PM_SLEEP */
1052 
1053 #define ATH9K_PM_OPS	NULL
1054 
1055 #endif /* !CONFIG_PM_SLEEP */
1056 
1057 
1058 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1059 
1060 static struct pci_driver ath_pci_driver = {
1061 	.name       = "ath9k",
1062 	.id_table   = ath_pci_id_table,
1063 	.probe      = ath_pci_probe,
1064 	.remove     = ath_pci_remove,
1065 	.driver.pm  = ATH9K_PM_OPS,
1066 };
1067 
1068 int ath_pci_init(void)
1069 {
1070 	return pci_register_driver(&ath_pci_driver);
1071 }
1072 
1073 void ath_pci_exit(void)
1074 {
1075 	pci_unregister_driver(&ath_pci_driver);
1076 }
1077