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wcn36xx: harmless memory corruption bug in debugfs
[deliverable/linux.git] / drivers / net / wireless / ath / ath9k / pci.c
CommitLineData
6baff7f9 1/*
5b68138e 2 * Copyright (c) 2008-2011 Atheros Communications Inc.
6baff7f9
GJ		 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
516304b0
JP		 17#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
18
6baff7f9
GJ		 19#include <linux/nl80211.h>
20#include <linux/pci.h>
d4930086 21#include <linux/pci-aspm.h>
a05b5d45 22#include <linux/ath9k_platform.h>
9d9779e7 23#include <linux/module.h>
394cf0a1 24#include "ath9k.h"
6baff7f9 25
a3aa1884 26static DEFINE_PCI_DEVICE_TABLE(ath_pci_id_table) = {
6baff7f9
GJ		 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 { PCI_VDEVICE(ATHEROS, 0x002A) }, /* PCI-E */
a5354cca 32
d1ae25a0
SM		 33 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
34 0x002A,
35 PCI_VENDOR_ID_AZWAVE,
36 0x1C71),
37 .driver_data = ATH9K_PCI_D3_L1_WAR },
38 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
39 0x002A,
40 PCI_VENDOR_ID_FOXCONN,
41 0xE01F),
42 .driver_data = ATH9K_PCI_D3_L1_WAR },
43 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
44 0x002A,
45 0x11AD, /* LITEON */
46 0x6632),
47 .driver_data = ATH9K_PCI_D3_L1_WAR },
48 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
49 0x002A,
50 0x11AD, /* LITEON */
51 0x6642),
52 .driver_data = ATH9K_PCI_D3_L1_WAR },
53 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
54 0x002A,
55 PCI_VENDOR_ID_QMI,
56 0x0306),
57 .driver_data = ATH9K_PCI_D3_L1_WAR },
58 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
59 0x002A,
60 0x185F, /* WNC */
61 0x309D),
62 .driver_data = ATH9K_PCI_D3_L1_WAR },
63 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
64 0x002A,
65 0x10CF, /* Fujitsu */
66 0x147C),
67 .driver_data = ATH9K_PCI_D3_L1_WAR },
68 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
69 0x002A,
70 0x10CF, /* Fujitsu */
71 0x147D),
72 .driver_data = ATH9K_PCI_D3_L1_WAR },
73 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
74 0x002A,
75 0x10CF, /* Fujitsu */
76 0x1536),
77 .driver_data = ATH9K_PCI_D3_L1_WAR },
78
a5354cca
SM		 79 /* AR9285 card for Asus */
80 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
81 0x002B,
82 PCI_VENDOR_ID_AZWAVE,
83 0x2C37),
84 .driver_data = ATH9K_PCI_BT_ANT_DIV },
85
6baff7f9 86 { PCI_VDEVICE(ATHEROS, 0x002B) }, /* PCI-E */
5ffaf8a3 87 { PCI_VDEVICE(ATHEROS, 0x002C) }, /* PCI-E 802.11n bonded out */
ac88b6ec
VN		 88 { PCI_VDEVICE(ATHEROS, 0x002D) }, /* PCI */
89 { PCI_VDEVICE(ATHEROS, 0x002E) }, /* PCI-E */
0efabd51 90 { PCI_VDEVICE(ATHEROS, 0x0030) }, /* PCI-E AR9300 */
9b60b64b
SM		 91
92 /* PCI-E CUS198 */
93 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
94 0x0032,
95 PCI_VENDOR_ID_AZWAVE,
96 0x2086),
a5354cca 97 .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
9b60b64b
SM		 98 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
99 0x0032,
100 PCI_VENDOR_ID_AZWAVE,
101 0x1237),
a5354cca 102 .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
9b60b64b
SM		 103 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
104 0x0032,
105 PCI_VENDOR_ID_AZWAVE,
106 0x2126),
a5354cca 107 .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
f4d90704
SM		 108 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
109 0x0032,
110 PCI_VENDOR_ID_AZWAVE,
111 0x126A),
112 .driver_data = ATH9K_PCI_CUS198 | ATH9K_PCI_BT_ANT_DIV },
e861ef52
SM		 113
114 /* PCI-E CUS230 */
9b60b64b
SM		 115 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
116 0x0032,
117 PCI_VENDOR_ID_AZWAVE,
118 0x2152),
a5354cca 119 .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
9b60b64b
SM		 120 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
121 0x0032,
122 PCI_VENDOR_ID_FOXCONN,
123 0xE075),
a5354cca 124 .driver_data = ATH9K_PCI_CUS230 | ATH9K_PCI_BT_ANT_DIV },
9b60b64b 125
2952f6ef
SM		 126 /* WB225 */
127 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
128 0x0032,
129 PCI_VENDOR_ID_ATHEROS,
130 0x3119),
131 .driver_data = ATH9K_PCI_BT_ANT_DIV },
132 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
133 0x0032,
134 PCI_VENDOR_ID_ATHEROS,
135 0x3122),
136 .driver_data = ATH9K_PCI_BT_ANT_DIV },
137 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
138 0x0032,
139 0x185F, /* WNC */
140 0x3119),
141 .driver_data = ATH9K_PCI_BT_ANT_DIV },
142 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
143 0x0032,
144 0x185F, /* WNC */
145 0x3027),
146 .driver_data = ATH9K_PCI_BT_ANT_DIV },
147 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
148 0x0032,
149 PCI_VENDOR_ID_SAMSUNG,
150 0x4105),
151 .driver_data = ATH9K_PCI_BT_ANT_DIV },
152 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
153 0x0032,
154 PCI_VENDOR_ID_SAMSUNG,
155 0x4106),
156 .driver_data = ATH9K_PCI_BT_ANT_DIV },
157 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
158 0x0032,
159 PCI_VENDOR_ID_SAMSUNG,
160 0x410D),
161 .driver_data = ATH9K_PCI_BT_ANT_DIV },
162 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
163 0x0032,
164 PCI_VENDOR_ID_SAMSUNG,
165 0x410E),
166 .driver_data = ATH9K_PCI_BT_ANT_DIV },
167 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
168 0x0032,
169 PCI_VENDOR_ID_SAMSUNG,
170 0x410F),
171 .driver_data = ATH9K_PCI_BT_ANT_DIV },
172 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
173 0x0032,
174 PCI_VENDOR_ID_SAMSUNG,
175 0xC706),
176 .driver_data = ATH9K_PCI_BT_ANT_DIV },
177 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
178 0x0032,
179 PCI_VENDOR_ID_SAMSUNG,
180 0xC680),
181 .driver_data = ATH9K_PCI_BT_ANT_DIV },
182 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
183 0x0032,
184 PCI_VENDOR_ID_SAMSUNG,
185 0xC708),
186 .driver_data = ATH9K_PCI_BT_ANT_DIV },
187 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
188 0x0032,
189 PCI_VENDOR_ID_LENOVO,
190 0x3218),
191 .driver_data = ATH9K_PCI_BT_ANT_DIV },
192 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
193 0x0032,
194 PCI_VENDOR_ID_LENOVO,
195 0x3219),
196 .driver_data = ATH9K_PCI_BT_ANT_DIV },
197
1435894d 198 { PCI_VDEVICE(ATHEROS, 0x0032) }, /* PCI-E AR9485 */
a508a6ea 199 { PCI_VDEVICE(ATHEROS, 0x0033) }, /* PCI-E AR9580 */
12eea640
SM		 200
201 /* PCI-E CUS217 */
202 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
203 0x0034,
204 PCI_VENDOR_ID_AZWAVE,
205 0x2116),
206 .driver_data = ATH9K_PCI_CUS217 },
207 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
208 0x0034,
209 0x11AD, /* LITEON */
210 0x6661),
211 .driver_data = ATH9K_PCI_CUS217 },
212
fca3c21d
SM		 213 /* AR9462 with WoW support */
214 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
215 0x0034,
216 PCI_VENDOR_ID_ATHEROS,
217 0x3117),
218 .driver_data = ATH9K_PCI_WOW },
219 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
220 0x0034,
221 PCI_VENDOR_ID_LENOVO,
222 0x3214),
223 .driver_data = ATH9K_PCI_WOW },
224 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
225 0x0034,
226 PCI_VENDOR_ID_ATTANSIC,
227 0x0091),
228 .driver_data = ATH9K_PCI_WOW },
229 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
230 0x0034,
231 PCI_VENDOR_ID_AZWAVE,
232 0x2110),
233 .driver_data = ATH9K_PCI_WOW },
234 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
235 0x0034,
236 PCI_VENDOR_ID_ASUSTEK,
237 0x850E),
238 .driver_data = ATH9K_PCI_WOW },
239 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
240 0x0034,
241 0x11AD, /* LITEON */
242 0x6631),
243 .driver_data = ATH9K_PCI_WOW },
244 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
245 0x0034,
246 0x11AD, /* LITEON */
247 0x6641),
248 .driver_data = ATH9K_PCI_WOW },
249 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
250 0x0034,
251 PCI_VENDOR_ID_HP,
252 0x1864),
253 .driver_data = ATH9K_PCI_WOW },
254 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
255 0x0034,
256 0x14CD, /* USI */
257 0x0063),
258 .driver_data = ATH9K_PCI_WOW },
259 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
260 0x0034,
261 0x14CD, /* USI */
262 0x0064),
263 .driver_data = ATH9K_PCI_WOW },
264 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
265 0x0034,
266 0x10CF, /* Fujitsu */
267 0x1783),
268 .driver_data = ATH9K_PCI_WOW },
269
423e38e8 270 { PCI_VDEVICE(ATHEROS, 0x0034) }, /* PCI-E AR9462 */
d4e5979c 271 { PCI_VDEVICE(ATHEROS, 0x0037) }, /* PCI-E AR1111/AR9485 */
1823a421 272
10631336
SM		 273 /* CUS252 */
274 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
275 0x0036,
276 PCI_VENDOR_ID_ATHEROS,
277 0x3028),
3fcdd0a1
SM		 278 .driver_data = ATH9K_PCI_CUS252 |
279 ATH9K_PCI_AR9565_2ANT |
280 ATH9K_PCI_BT_ANT_DIV },
10631336
SM		 281 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
282 0x0036,
283 PCI_VENDOR_ID_AZWAVE,
284 0x2176),
3fcdd0a1
SM		 285 .driver_data = ATH9K_PCI_CUS252 |
286 ATH9K_PCI_AR9565_2ANT |
287 ATH9K_PCI_BT_ANT_DIV },
288
289 /* WB335 1-ANT */
290 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
291 0x0036,
292 PCI_VENDOR_ID_FOXCONN,
293 0xE068),
294 .driver_data = ATH9K_PCI_AR9565_1ANT },
295 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
296 0x0036,
297 0x185F, /* WNC */
298 0xA119),
299 .driver_data = ATH9K_PCI_AR9565_1ANT },
300 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
301 0x0036,
302 0x11AD, /* LITEON */
303 0x0632),
304 .driver_data = ATH9K_PCI_AR9565_1ANT },
305 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
306 0x0036,
307 0x11AD, /* LITEON */
308 0x6671),
309 .driver_data = ATH9K_PCI_AR9565_1ANT },
310 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
311 0x0036,
312 0x1B9A, /* XAVI */
313 0x2811),
314 .driver_data = ATH9K_PCI_AR9565_1ANT },
315 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
316 0x0036,
317 0x1B9A, /* XAVI */
318 0x2812),
319 .driver_data = ATH9K_PCI_AR9565_1ANT },
320
321 /* WB335 1-ANT / Antenna Diversity */
322 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
323 0x0036,
324 PCI_VENDOR_ID_ATHEROS,
325 0x3025),
326 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
327 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
328 0x0036,
329 PCI_VENDOR_ID_ATHEROS,
330 0x3026),
331 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
332 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
333 0x0036,
334 PCI_VENDOR_ID_ATHEROS,
335 0x302B),
336 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
337 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
338 0x0036,
339 PCI_VENDOR_ID_FOXCONN,
340 0xE069),
341 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
342 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
343 0x0036,
344 0x185F, /* WNC */
345 0x3028),
346 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
347 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
348 0x0036,
349 0x11AD, /* LITEON */
350 0x0622),
351 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
352 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
353 0x0036,
354 0x11AD, /* LITEON */
355 0x0672),
356 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
357 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
358 0x0036,
359 0x11AD, /* LITEON */
360 0x0662),
361 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
362 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
363 0x0036,
364 PCI_VENDOR_ID_AZWAVE,
365 0x213A),
366 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
367 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
368 0x0036,
369 PCI_VENDOR_ID_LENOVO,
370 0x3026),
371 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
372 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
373 0x0036,
374 PCI_VENDOR_ID_HP,
375 0x18E3),
376 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
377 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
378 0x0036,
379 PCI_VENDOR_ID_HP,
380 0x217F),
381 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
bf7c756c
SM		 382 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
383 0x0036,
384 PCI_VENDOR_ID_DELL,
385 0x020E),
386 .driver_data = ATH9K_PCI_AR9565_1ANT | ATH9K_PCI_BT_ANT_DIV },
3fcdd0a1
SM		 387
388 /* WB335 2-ANT */
389 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
390 0x0036,
391 PCI_VENDOR_ID_SAMSUNG,
392 0x411A),
393 .driver_data = ATH9K_PCI_AR9565_2ANT },
394 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
395 0x0036,
396 PCI_VENDOR_ID_SAMSUNG,
397 0x411B),
398 .driver_data = ATH9K_PCI_AR9565_2ANT },
399 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
400 0x0036,
401 PCI_VENDOR_ID_SAMSUNG,
402 0x411C),
403 .driver_data = ATH9K_PCI_AR9565_2ANT },
404 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
405 0x0036,
406 PCI_VENDOR_ID_SAMSUNG,
407 0x411D),
408 .driver_data = ATH9K_PCI_AR9565_2ANT },
409 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
410 0x0036,
411 PCI_VENDOR_ID_SAMSUNG,
412 0x411E),
413 .driver_data = ATH9K_PCI_AR9565_2ANT },
414
415 /* WB335 2-ANT / Antenna-Diversity */
416 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
417 0x0036,
418 PCI_VENDOR_ID_ATHEROS,
419 0x3027),
420 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
421 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
422 0x0036,
423 PCI_VENDOR_ID_ATHEROS,
424 0x302C),
425 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
426 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
427 0x0036,
428 0x11AD, /* LITEON */
429 0x0642),
430 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
431 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
432 0x0036,
433 0x11AD, /* LITEON */
434 0x0652),
435 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
436 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
437 0x0036,
438 0x11AD, /* LITEON */
439 0x0612),
440 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
441 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
442 0x0036,
443 PCI_VENDOR_ID_AZWAVE,
444 0x2130),
445 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
446 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
447 0x0036,
448 0x144F, /* ASKEY */
449 0x7202),
450 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
451 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
452 0x0036,
453 0x1B9A, /* XAVI */
454 0x2810),
455 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
456 { PCI_DEVICE_SUB(PCI_VENDOR_ID_ATHEROS,
457 0x0036,
458 0x185F, /* WNC */
459 0x3027),
460 .driver_data = ATH9K_PCI_AR9565_2ANT | ATH9K_PCI_BT_ANT_DIV },
10631336 461
1823a421
SM		 462 /* PCI-E AR9565 (WB335) */
463 { PCI_VDEVICE(ATHEROS, 0x0036),
464 .driver_data = ATH9K_PCI_BT_ANT_DIV },
465
6baff7f9
GJ		 466 { 0 }
467};
468
84c87dc8 469
6baff7f9 470/* return bus cachesize in 4B word units */
5bb12791 471static void ath_pci_read_cachesize(struct ath_common *common, int *csz)
6baff7f9 472{
bc974f4a 473 struct ath_softc *sc = (struct ath_softc *) common->priv;
6baff7f9
GJ		 474 u8 u8tmp;
475
f020979d 476 pci_read_config_byte(to_pci_dev(sc->dev), PCI_CACHE_LINE_SIZE, &u8tmp);
6baff7f9
GJ		 477 *csz = (int)u8tmp;
478
479 /*
25985edc 480 * This check was put in to avoid "unpleasant" consequences if
6baff7f9
GJ		 481 * the bootrom has not fully initialized all PCI devices.
482 * Sometimes the cache line size register is not set
483 */
484
485 if (*csz == 0)
486 *csz = DEFAULT_CACHELINE >> 2; /* Use the default size */
487}
488
5bb12791 489static bool ath_pci_eeprom_read(struct ath_common *common, u32 off, u16 *data)
9dbeb91a 490{
a05b5d45
FF		 491 struct ath_softc *sc = (struct ath_softc *) common->priv;
492 struct ath9k_platform_data *pdata = sc->dev->platform_data;
493
494 if (pdata) {
495 if (off >= (ARRAY_SIZE(pdata->eeprom_data))) {
3800276a
JP		 496 ath_err(common,
497 "%s: eeprom read failed, offset %08x is out of range\n",
498 __func__, off);
a05b5d45
FF		 499 }
500
501 *data = pdata->eeprom_data[off];
502 } else {
503 struct ath_hw *ah = (struct ath_hw *) common->ah;
504
505 common->ops->read(ah, AR5416_EEPROM_OFFSET +
506 (off << AR5416_EEPROM_S));
507
508 if (!ath9k_hw_wait(ah,
509 AR_EEPROM_STATUS_DATA,
510 AR_EEPROM_STATUS_DATA_BUSY |
511 AR_EEPROM_STATUS_DATA_PROT_ACCESS, 0,
512 AH_WAIT_TIMEOUT)) {
513 return false;
514 }
515
516 *data = MS(common->ops->read(ah, AR_EEPROM_STATUS_DATA),
517 AR_EEPROM_STATUS_DATA_VAL);
9dbeb91a
GJ		 518 }
519
9dbeb91a
GJ		 520 return true;
521}
522
69ce674b 523/* Need to be called after we discover btcoex capabilities */
d4930086
SG		 524static void ath_pci_aspm_init(struct ath_common *common)
525{
526 struct ath_softc *sc = (struct ath_softc *) common->priv;
527 struct ath_hw *ah = sc->sc_ah;
528 struct pci_dev *pdev = to_pci_dev(sc->dev);
529 struct pci_dev *parent;
08bd1080 530 u16 aspm;
d4930086 531
d09f5f4c
SM		 532 if (!ah->is_pciexpress)
533 return;
534
d4930086 535 parent = pdev->bus->self;
22c55e6e
JL		 536 if (!parent)
537 return;
69ce674b 538
046b6802
SM		 539 if ((ath9k_hw_get_btcoex_scheme(ah) != ATH_BTCOEX_CFG_NONE) &&
540 (AR_SREV_9285(ah))) {
a875621e 541 /* Bluetooth coexistence requires disabling ASPM. */
08bd1080 542 pcie_capability_clear_word(pdev, PCI_EXP_LNKCTL,
a875621e 543 PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
69ce674b
SG		 544
545 /*
546 * Both upstream and downstream PCIe components should
547 * have the same ASPM settings.
548 */
08bd1080 549 pcie_capability_clear_word(parent, PCI_EXP_LNKCTL,
a875621e 550 PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1);
69ce674b 551
d09f5f4c 552 ath_info(common, "Disabling ASPM since BTCOEX is enabled\n");
69ce674b
SG		 553 return;
554 }
555
b380a43b
SM		 556 /*
557 * 0x70c - Ack Frequency Register.
558 *
559 * Bits 27:29 - DEFAULT_L1_ENTRANCE_LATENCY.
560 *
561 * 000 : 1 us
562 * 001 : 2 us
563 * 010 : 4 us
564 * 011 : 8 us
565 * 100 : 16 us
566 * 101 : 32 us
567 * 110/111 : 64 us
568 */
569 if (AR_SREV_9462(ah))
570 pci_read_config_dword(pdev, 0x70c, &ah->config.aspm_l1_fix);
571
08bd1080 572 pcie_capability_read_word(parent, PCI_EXP_LNKCTL, &aspm);
a875621e 573 if (aspm & (PCI_EXP_LNKCTL_ASPM_L0S | PCI_EXP_LNKCTL_ASPM_L1)) {
d4930086
SG		 574 ah->aspm_enabled = true;
575 /* Initialize PCIe PM and SERDES registers. */
84c87dc8 576 ath9k_hw_configpcipowersave(ah, false);
d09f5f4c 577 ath_info(common, "ASPM enabled: 0x%x\n", aspm);
d4930086
SG		 578 }
579}
580
83bd11a0 581static const struct ath_bus_ops ath_pci_bus_ops = {
497ad9ad 582 .ath_bus_type = ATH_PCI,
6baff7f9 583 .read_cachesize = ath_pci_read_cachesize,
9dbeb91a 584 .eeprom_read = ath_pci_eeprom_read,
d4930086 585 .aspm_init = ath_pci_aspm_init,
6baff7f9
GJ		 586};
587
588static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
589{
6baff7f9
GJ		 590 struct ath_softc *sc;
591 struct ieee80211_hw *hw;
592 u8 csz;
f0214843 593 u32 val;
6baff7f9 594 int ret = 0;
f934c4d9 595 char hw_name[64];
6baff7f9 596
b81950b1 597 if (pcim_enable_device(pdev))
6baff7f9
GJ		 598 return -EIO;
599
e930438c 600 ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
6baff7f9 601 if (ret) {
516304b0 602 pr_err("32-bit DMA not available\n");
b81950b1 603 return ret;
6baff7f9
GJ		 604 }
605
e930438c 606 ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
6baff7f9 607 if (ret) {
516304b0 608 pr_err("32-bit DMA consistent DMA enable failed\n");
b81950b1 609 return ret;
6baff7f9
GJ		 610 }
611
612 /*
613 * Cache line size is used to size and align various
614 * structures used to communicate with the hardware.
615 */
616 pci_read_config_byte(pdev, PCI_CACHE_LINE_SIZE, &csz);
617 if (csz == 0) {
618 /*
619 * Linux 2.4.18 (at least) writes the cache line size
620 * register as a 16-bit wide register which is wrong.
621 * We must have this setup properly for rx buffer
622 * DMA to work so force a reasonable value here if it
623 * comes up zero.
624 */
625 csz = L1_CACHE_BYTES / sizeof(u32);
626 pci_write_config_byte(pdev, PCI_CACHE_LINE_SIZE, csz);
627 }
628 /*
629 * The default setting of latency timer yields poor results,
630 * set it to the value used by other systems. It may be worth
631 * tweaking this setting more.
632 */
633 pci_write_config_byte(pdev, PCI_LATENCY_TIMER, 0xa8);
634
635 pci_set_master(pdev);
636
f0214843
JM		 637 /*
638 * Disable the RETRY_TIMEOUT register (0x41) to keep
639 * PCI Tx retries from interfering with C3 CPU state.
640 */
641 pci_read_config_dword(pdev, 0x40, &val);
642 if ((val & 0x0000ff00) != 0)
643 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
644
b81950b1 645 ret = pcim_iomap_regions(pdev, BIT(0), "ath9k");
6baff7f9
GJ		 646 if (ret) {
647 dev_err(&pdev->dev, "PCI memory region reserve error\n");
b81950b1 648 return -ENODEV;
6baff7f9
GJ		 649 }
650
9ac58615 651 hw = ieee80211_alloc_hw(sizeof(struct ath_softc), &ath9k_ops);
db6be53c 652 if (!hw) {
285f2dda 653 dev_err(&pdev->dev, "No memory for ieee80211_hw\n");
b81950b1 654 return -ENOMEM;
6baff7f9
GJ		 655 }
656
657 SET_IEEE80211_DEV(hw, &pdev->dev);
658 pci_set_drvdata(pdev, hw);
659
9ac58615 660 sc = hw->priv;
6baff7f9
GJ		 661 sc->hw = hw;
662 sc->dev = &pdev->dev;
b81950b1 663 sc->mem = pcim_iomap_table(pdev)[0];
9b60b64b 664 sc->driver_data = id->driver_data;
6baff7f9 665
5e4ea1f0 666 /* Will be cleared in ath9k_start() */
781b14a3 667 set_bit(SC_OP_INVALID, &sc->sc_flags);
6baff7f9 668
fc548af8 669 ret = request_irq(pdev->irq, ath_isr, IRQF_SHARED, "ath9k", sc);
580171f7
LR		 670 if (ret) {
671 dev_err(&pdev->dev, "request_irq failed\n");
285f2dda 672 goto err_irq;
6baff7f9
GJ		 673 }
674
675 sc->irq = pdev->irq;
676
eb93e891 677 ret = ath9k_init_device(id->device, sc, &ath_pci_bus_ops);
285f2dda
S		 678 if (ret) {
679 dev_err(&pdev->dev, "Failed to initialize device\n");
680 goto err_init;
681 }
682
683 ath9k_hw_name(sc->sc_ah, hw_name, sizeof(hw_name));
c96c31e4 684 wiphy_info(hw->wiphy, "%s mem=0x%lx, irq=%d\n",
b81950b1 685 hw_name, (unsigned long)sc->mem, pdev->irq);
6baff7f9
GJ		 686
687 return 0;
285f2dda
S		 688
689err_init:
690 free_irq(sc->irq, sc);
691err_irq:
6baff7f9 692 ieee80211_free_hw(hw);
6baff7f9
GJ		 693 return ret;
694}
695
696static void ath_pci_remove(struct pci_dev *pdev)
697{
698 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
9ac58615 699 struct ath_softc *sc = hw->priv;
6baff7f9 700
d584747b
RM		 701 if (!is_ath9k_unloaded)
702 sc->sc_ah->ah_flags |= AH_UNPLUGGED;
285f2dda
S		 703 ath9k_deinit_device(sc);
704 free_irq(sc->irq, sc);
705 ieee80211_free_hw(sc->hw);
6baff7f9
GJ		 706}
707
88427588 708#ifdef CONFIG_PM_SLEEP
6baff7f9 709
f0e94b47 710static int ath_pci_suspend(struct device *device)
6baff7f9 711{
f0e94b47 712 struct pci_dev *pdev = to_pci_dev(device);
6baff7f9 713 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
9ac58615 714 struct ath_softc *sc = hw->priv;
6baff7f9 715
4a17a50d
MSS		 716 if (sc->wow_enabled)
717 return 0;
718
c31eb8e9
RM		 719 /* The device has to be moved to FULLSLEEP forcibly.
720 * Otherwise the chip never moved to full sleep,
721 * when no interface is up.
722 */
e19f15ac 723 ath9k_stop_btcoex(sc);
c0c11741 724 ath9k_hw_disable(sc->sc_ah);
c31eb8e9
RM		 725 ath9k_hw_setpower(sc->sc_ah, ATH9K_PM_FULL_SLEEP);
726
6baff7f9
GJ		 727 return 0;
728}
729
f0e94b47 730static int ath_pci_resume(struct device *device)
6baff7f9 731{
f0e94b47 732 struct pci_dev *pdev = to_pci_dev(device);
93170516
FF		 733 struct ieee80211_hw *hw = pci_get_drvdata(pdev);
734 struct ath_softc *sc = hw->priv;
ceb26a60
FF		 735 struct ath_hw *ah = sc->sc_ah;
736 struct ath_common *common = ath9k_hw_common(ah);
f0214843 737 u32 val;
523c36fc 738
f0214843
JM		 739 /*
740 * Suspend/Resume resets the PCI configuration space, so we have to
741 * re-disable the RETRY_TIMEOUT register (0x41) to keep
742 * PCI Tx retries from interfering with C3 CPU state
743 */
744 pci_read_config_dword(pdev, 0x40, &val);
745 if ((val & 0x0000ff00) != 0)
746 pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
6baff7f9 747
93170516 748 ath_pci_aspm_init(common);
ceb26a60 749 ah->reset_power_on = false;
93170516 750
6baff7f9
GJ		 751 return 0;
752}
753
88427588 754static SIMPLE_DEV_PM_OPS(ath9k_pm_ops, ath_pci_suspend, ath_pci_resume);
f0e94b47
RW		 755
756#define ATH9K_PM_OPS (&ath9k_pm_ops)
757
88427588 758#else /* !CONFIG_PM_SLEEP */
f0e94b47
RW		 759
760#define ATH9K_PM_OPS NULL
761
88427588 762#endif /* !CONFIG_PM_SLEEP */
f0e94b47 763
6baff7f9
GJ		 764
765MODULE_DEVICE_TABLE(pci, ath_pci_id_table);
766
767static struct pci_driver ath_pci_driver = {
768 .name = "ath9k",
769 .id_table = ath_pci_id_table,
770 .probe = ath_pci_probe,
771 .remove = ath_pci_remove,
f0e94b47 772 .driver.pm = ATH9K_PM_OPS,
6baff7f9
GJ		 773};
774
db0f41f5 775int ath_pci_init(void)
6baff7f9
GJ		 776{
777 return pci_register_driver(&ath_pci_driver);
778}
779
780void ath_pci_exit(void)
781{
782 pci_unregister_driver(&ath_pci_driver);
783}
Linux kernel - Deliverables
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