xref: /openbmc/linux/drivers/net/wireless/ath/ath9k/pci.c (revision ded1ffea)
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 
24 extern int ath9k_use_msi;
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 
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 */
782 static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
783 {
784 	struct ath_softc *sc = (struct ath_softc *) 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 
800 static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
801 {
802 	struct ath_hw *ah = (struct ath_hw *) 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 */
821 static void ath_pci_aspm_init(struct ath_common *common)
822 {
823 	struct ath_softc *sc = (struct ath_softc *) 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 
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 	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 
996 err_init:
997 	free_irq(sc->irq, sc);
998 err_irq:
999 	ieee80211_free_hw(hw);
1000 	return ret;
1001 }
1002 
1003 static 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 
1017 static 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 
1040 static 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 
1064 static 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 
1075 MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
1076 
1077 static 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 
1085 int ath_pci_init(void)
1086 {
1087 	return pci_register_driver(&ath_pci_driver);
1088 }
1089 
1090 void ath_pci_exit(void)
1091 {
1092 	pci_unregister_driver(&ath_pci_driver);
1093 }
1094