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1 | /* SPDX-License-Identifier: GPL-2.0-only */ | |
2 | #ifndef _I8042_X86IA64IO_H | |
3 | #define _I8042_X86IA64IO_H | |
4 | ||
5 | ||
6 | #ifdef CONFIG_X86 | |
7 | #include <asm/x86_init.h> | |
8 | #endif | |
9 | ||
10 | /* | |
11 | * Names. | |
12 | */ | |
13 | ||
14 | #define I8042_KBD_PHYS_DESC "isa0060/serio0" | |
15 | #define I8042_AUX_PHYS_DESC "isa0060/serio1" | |
16 | #define I8042_MUX_PHYS_DESC "isa0060/serio%d" | |
17 | ||
18 | /* | |
19 | * IRQs. | |
20 | */ | |
21 | ||
22 | #if defined(__ia64__) | |
23 | # define I8042_MAP_IRQ(x) isa_irq_to_vector((x)) | |
24 | #else | |
25 | # define I8042_MAP_IRQ(x) (x) | |
26 | #endif | |
27 | ||
28 | #define I8042_KBD_IRQ i8042_kbd_irq | |
29 | #define I8042_AUX_IRQ i8042_aux_irq | |
30 | ||
31 | static int i8042_kbd_irq; | |
32 | static int i8042_aux_irq; | |
33 | ||
34 | /* | |
35 | * Register numbers. | |
36 | */ | |
37 | ||
38 | #define I8042_COMMAND_REG i8042_command_reg | |
39 | #define I8042_STATUS_REG i8042_command_reg | |
40 | #define I8042_DATA_REG i8042_data_reg | |
41 | ||
42 | static int i8042_command_reg = 0x64; | |
43 | static int i8042_data_reg = 0x60; | |
44 | ||
45 | ||
46 | static inline int i8042_read_data(void) | |
47 | { | |
48 | return inb(I8042_DATA_REG); | |
49 | } | |
50 | ||
51 | static inline int i8042_read_status(void) | |
52 | { | |
53 | return inb(I8042_STATUS_REG); | |
54 | } | |
55 | ||
56 | static inline void i8042_write_data(int val) | |
57 | { | |
58 | outb(val, I8042_DATA_REG); | |
59 | } | |
60 | ||
61 | static inline void i8042_write_command(int val) | |
62 | { | |
63 | outb(val, I8042_COMMAND_REG); | |
64 | } | |
65 | ||
66 | #ifdef CONFIG_X86 | |
67 | ||
68 | #include <linux/dmi.h> | |
69 | ||
70 | static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { | |
71 | { | |
72 | /* | |
73 | * Arima-Rioworks HDAMB - | |
74 | * AUX LOOP command does not raise AUX IRQ | |
75 | */ | |
76 | .matches = { | |
77 | DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"), | |
78 | DMI_MATCH(DMI_BOARD_NAME, "HDAMB"), | |
79 | DMI_MATCH(DMI_BOARD_VERSION, "Rev E"), | |
80 | }, | |
81 | }, | |
82 | { | |
83 | /* ASUS G1S */ | |
84 | .matches = { | |
85 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."), | |
86 | DMI_MATCH(DMI_BOARD_NAME, "G1S"), | |
87 | DMI_MATCH(DMI_BOARD_VERSION, "1.0"), | |
88 | }, | |
89 | }, | |
90 | { | |
91 | /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */ | |
92 | .matches = { | |
93 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), | |
94 | DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"), | |
95 | DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"), | |
96 | }, | |
97 | }, | |
98 | { | |
99 | .matches = { | |
100 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), | |
101 | DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"), | |
102 | }, | |
103 | }, | |
104 | { | |
105 | .matches = { | |
106 | DMI_MATCH(DMI_SYS_VENDOR, "Compaq"), | |
107 | DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"), | |
108 | DMI_MATCH(DMI_PRODUCT_VERSION, "8500"), | |
109 | }, | |
110 | }, | |
111 | { | |
112 | .matches = { | |
113 | DMI_MATCH(DMI_SYS_VENDOR, "Compaq"), | |
114 | DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"), | |
115 | DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"), | |
116 | }, | |
117 | }, | |
118 | { | |
119 | /* Dell Embedded Box PC 3000 */ | |
120 | .matches = { | |
121 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
122 | DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"), | |
123 | }, | |
124 | }, | |
125 | { | |
126 | /* OQO Model 01 */ | |
127 | .matches = { | |
128 | DMI_MATCH(DMI_SYS_VENDOR, "OQO"), | |
129 | DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), | |
130 | DMI_MATCH(DMI_PRODUCT_VERSION, "00"), | |
131 | }, | |
132 | }, | |
133 | { | |
134 | /* ULI EV4873 - AUX LOOP does not work properly */ | |
135 | .matches = { | |
136 | DMI_MATCH(DMI_SYS_VENDOR, "ULI"), | |
137 | DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"), | |
138 | DMI_MATCH(DMI_PRODUCT_VERSION, "5a"), | |
139 | }, | |
140 | }, | |
141 | { | |
142 | /* Microsoft Virtual Machine */ | |
143 | .matches = { | |
144 | DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"), | |
145 | DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"), | |
146 | DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"), | |
147 | }, | |
148 | }, | |
149 | { | |
150 | /* Medion MAM 2070 */ | |
151 | .matches = { | |
152 | DMI_MATCH(DMI_SYS_VENDOR, "Notebook"), | |
153 | DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"), | |
154 | DMI_MATCH(DMI_PRODUCT_VERSION, "5a"), | |
155 | }, | |
156 | }, | |
157 | { | |
158 | /* Medion Akoya E7225 */ | |
159 | .matches = { | |
160 | DMI_MATCH(DMI_SYS_VENDOR, "Medion"), | |
161 | DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"), | |
162 | DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"), | |
163 | }, | |
164 | }, | |
165 | { | |
166 | /* Blue FB5601 */ | |
167 | .matches = { | |
168 | DMI_MATCH(DMI_SYS_VENDOR, "blue"), | |
169 | DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"), | |
170 | DMI_MATCH(DMI_PRODUCT_VERSION, "M606"), | |
171 | }, | |
172 | }, | |
173 | { | |
174 | /* Gigabyte M912 */ | |
175 | .matches = { | |
176 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
177 | DMI_MATCH(DMI_PRODUCT_NAME, "M912"), | |
178 | DMI_MATCH(DMI_PRODUCT_VERSION, "01"), | |
179 | }, | |
180 | }, | |
181 | { | |
182 | /* Gigabyte M1022M netbook */ | |
183 | .matches = { | |
184 | DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."), | |
185 | DMI_MATCH(DMI_BOARD_NAME, "M1022E"), | |
186 | DMI_MATCH(DMI_BOARD_VERSION, "1.02"), | |
187 | }, | |
188 | }, | |
189 | { | |
190 | /* Gigabyte Spring Peak - defines wrong chassis type */ | |
191 | .matches = { | |
192 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
193 | DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"), | |
194 | }, | |
195 | }, | |
196 | { | |
197 | /* Gigabyte T1005 - defines wrong chassis type ("Other") */ | |
198 | .matches = { | |
199 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
200 | DMI_MATCH(DMI_PRODUCT_NAME, "T1005"), | |
201 | }, | |
202 | }, | |
203 | { | |
204 | /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */ | |
205 | .matches = { | |
206 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
207 | DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"), | |
208 | }, | |
209 | }, | |
210 | { | |
211 | .matches = { | |
212 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
213 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"), | |
214 | DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"), | |
215 | }, | |
216 | }, | |
217 | { | |
218 | .matches = { | |
219 | DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"), | |
220 | DMI_MATCH(DMI_PRODUCT_NAME, "C15B"), | |
221 | }, | |
222 | }, | |
223 | { } | |
224 | }; | |
225 | ||
226 | /* | |
227 | * Some Fujitsu notebooks are having trouble with touchpads if | |
228 | * active multiplexing mode is activated. Luckily they don't have | |
229 | * external PS/2 ports so we can safely disable it. | |
230 | * ... apparently some Toshibas don't like MUX mode either and | |
231 | * die horrible death on reboot. | |
232 | */ | |
233 | static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { | |
234 | { | |
235 | /* Fujitsu Lifebook P7010/P7010D */ | |
236 | .matches = { | |
237 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
238 | DMI_MATCH(DMI_PRODUCT_NAME, "P7010"), | |
239 | }, | |
240 | }, | |
241 | { | |
242 | /* Fujitsu Lifebook P7010 */ | |
243 | .matches = { | |
244 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
245 | DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"), | |
246 | }, | |
247 | }, | |
248 | { | |
249 | /* Fujitsu Lifebook P5020D */ | |
250 | .matches = { | |
251 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
252 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"), | |
253 | }, | |
254 | }, | |
255 | { | |
256 | /* Fujitsu Lifebook S2000 */ | |
257 | .matches = { | |
258 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
259 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"), | |
260 | }, | |
261 | }, | |
262 | { | |
263 | /* Fujitsu Lifebook S6230 */ | |
264 | .matches = { | |
265 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
266 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"), | |
267 | }, | |
268 | }, | |
269 | { | |
270 | /* Fujitsu Lifebook U745 */ | |
271 | .matches = { | |
272 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
273 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"), | |
274 | }, | |
275 | }, | |
276 | { | |
277 | /* Fujitsu T70H */ | |
278 | .matches = { | |
279 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
280 | DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"), | |
281 | }, | |
282 | }, | |
283 | { | |
284 | /* Fujitsu-Siemens Lifebook T3010 */ | |
285 | .matches = { | |
286 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
287 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"), | |
288 | }, | |
289 | }, | |
290 | { | |
291 | /* Fujitsu-Siemens Lifebook E4010 */ | |
292 | .matches = { | |
293 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
294 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"), | |
295 | }, | |
296 | }, | |
297 | { | |
298 | /* Fujitsu-Siemens Amilo Pro 2010 */ | |
299 | .matches = { | |
300 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
301 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"), | |
302 | }, | |
303 | }, | |
304 | { | |
305 | /* Fujitsu-Siemens Amilo Pro 2030 */ | |
306 | .matches = { | |
307 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
308 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"), | |
309 | }, | |
310 | }, | |
311 | { | |
312 | /* | |
313 | * No data is coming from the touchscreen unless KBC | |
314 | * is in legacy mode. | |
315 | */ | |
316 | /* Panasonic CF-29 */ | |
317 | .matches = { | |
318 | DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), | |
319 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"), | |
320 | }, | |
321 | }, | |
322 | { | |
323 | /* | |
324 | * HP Pavilion DV4017EA - | |
325 | * errors on MUX ports are reported without raising AUXDATA | |
326 | * causing "spurious NAK" messages. | |
327 | */ | |
328 | .matches = { | |
329 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
330 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"), | |
331 | }, | |
332 | }, | |
333 | { | |
334 | /* | |
335 | * HP Pavilion ZT1000 - | |
336 | * like DV4017EA does not raise AUXERR for errors on MUX ports. | |
337 | */ | |
338 | .matches = { | |
339 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
340 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"), | |
341 | DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"), | |
342 | }, | |
343 | }, | |
344 | { | |
345 | /* | |
346 | * HP Pavilion DV4270ca - | |
347 | * like DV4017EA does not raise AUXERR for errors on MUX ports. | |
348 | */ | |
349 | .matches = { | |
350 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
351 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"), | |
352 | }, | |
353 | }, | |
354 | { | |
355 | .matches = { | |
356 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
357 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"), | |
358 | }, | |
359 | }, | |
360 | { | |
361 | .matches = { | |
362 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
363 | DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"), | |
364 | }, | |
365 | }, | |
366 | { | |
367 | .matches = { | |
368 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
369 | DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"), | |
370 | }, | |
371 | }, | |
372 | { | |
373 | .matches = { | |
374 | DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"), | |
375 | DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"), | |
376 | }, | |
377 | }, | |
378 | { | |
379 | /* Sharp Actius MM20 */ | |
380 | .matches = { | |
381 | DMI_MATCH(DMI_SYS_VENDOR, "SHARP"), | |
382 | DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"), | |
383 | }, | |
384 | }, | |
385 | { | |
386 | /* Sony Vaio FS-115b */ | |
387 | .matches = { | |
388 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
389 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"), | |
390 | }, | |
391 | }, | |
392 | { | |
393 | /* | |
394 | * Sony Vaio FZ-240E - | |
395 | * reset and GET ID commands issued via KBD port are | |
396 | * sometimes being delivered to AUX3. | |
397 | */ | |
398 | .matches = { | |
399 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
400 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"), | |
401 | }, | |
402 | }, | |
403 | { | |
404 | /* | |
405 | * Most (all?) VAIOs do not have external PS/2 ports nor | |
406 | * they implement active multiplexing properly, and | |
407 | * MUX discovery usually messes up keyboard/touchpad. | |
408 | */ | |
409 | .matches = { | |
410 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
411 | DMI_MATCH(DMI_BOARD_NAME, "VAIO"), | |
412 | }, | |
413 | }, | |
414 | { | |
415 | /* Amoi M636/A737 */ | |
416 | .matches = { | |
417 | DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), | |
418 | DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"), | |
419 | }, | |
420 | }, | |
421 | { | |
422 | /* Lenovo 3000 n100 */ | |
423 | .matches = { | |
424 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
425 | DMI_MATCH(DMI_PRODUCT_NAME, "076804U"), | |
426 | }, | |
427 | }, | |
428 | { | |
429 | .matches = { | |
430 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
431 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), | |
432 | }, | |
433 | }, | |
434 | { | |
435 | /* Acer Aspire 5710 */ | |
436 | .matches = { | |
437 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
438 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"), | |
439 | }, | |
440 | }, | |
441 | { | |
442 | /* Acer Aspire 7738 */ | |
443 | .matches = { | |
444 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
445 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"), | |
446 | }, | |
447 | }, | |
448 | { | |
449 | /* Gericom Bellagio */ | |
450 | .matches = { | |
451 | DMI_MATCH(DMI_SYS_VENDOR, "Gericom"), | |
452 | DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"), | |
453 | }, | |
454 | }, | |
455 | { | |
456 | /* IBM 2656 */ | |
457 | .matches = { | |
458 | DMI_MATCH(DMI_SYS_VENDOR, "IBM"), | |
459 | DMI_MATCH(DMI_PRODUCT_NAME, "2656"), | |
460 | }, | |
461 | }, | |
462 | { | |
463 | /* Dell XPS M1530 */ | |
464 | .matches = { | |
465 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
466 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"), | |
467 | }, | |
468 | }, | |
469 | { | |
470 | /* Compal HEL80I */ | |
471 | .matches = { | |
472 | DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"), | |
473 | DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"), | |
474 | }, | |
475 | }, | |
476 | { | |
477 | /* Dell Vostro 1510 */ | |
478 | .matches = { | |
479 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
480 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"), | |
481 | }, | |
482 | }, | |
483 | { | |
484 | /* Acer Aspire 5536 */ | |
485 | .matches = { | |
486 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
487 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"), | |
488 | DMI_MATCH(DMI_PRODUCT_VERSION, "0100"), | |
489 | }, | |
490 | }, | |
491 | { | |
492 | /* Dell Vostro V13 */ | |
493 | .matches = { | |
494 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
495 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), | |
496 | }, | |
497 | }, | |
498 | { | |
499 | /* Newer HP Pavilion dv4 models */ | |
500 | .matches = { | |
501 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
502 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), | |
503 | }, | |
504 | }, | |
505 | { | |
506 | /* Asus X450LCP */ | |
507 | .matches = { | |
508 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), | |
509 | DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"), | |
510 | }, | |
511 | }, | |
512 | { | |
513 | /* Avatar AVIU-145A6 */ | |
514 | .matches = { | |
515 | DMI_MATCH(DMI_SYS_VENDOR, "Intel"), | |
516 | DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"), | |
517 | }, | |
518 | }, | |
519 | { | |
520 | /* TUXEDO BU1406 */ | |
521 | .matches = { | |
522 | DMI_MATCH(DMI_SYS_VENDOR, "Notebook"), | |
523 | DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"), | |
524 | }, | |
525 | }, | |
526 | { | |
527 | /* Lenovo LaVie Z */ | |
528 | .matches = { | |
529 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
530 | DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"), | |
531 | }, | |
532 | }, | |
533 | { } | |
534 | }; | |
535 | ||
536 | static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = { | |
537 | { | |
538 | /* | |
539 | * Sony Vaio VGN-CS series require MUX or the touch sensor | |
540 | * buttons will disturb touchpad operation | |
541 | */ | |
542 | .matches = { | |
543 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
544 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"), | |
545 | }, | |
546 | }, | |
547 | { } | |
548 | }; | |
549 | ||
550 | /* | |
551 | * On some Asus laptops, just running self tests cause problems. | |
552 | */ | |
553 | static const struct dmi_system_id i8042_dmi_noselftest_table[] = { | |
554 | { | |
555 | .matches = { | |
556 | DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), | |
557 | DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */ | |
558 | }, | |
559 | }, | |
560 | { } | |
561 | }; | |
562 | static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { | |
563 | { | |
564 | /* MSI Wind U-100 */ | |
565 | .matches = { | |
566 | DMI_MATCH(DMI_BOARD_NAME, "U-100"), | |
567 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), | |
568 | }, | |
569 | }, | |
570 | { | |
571 | /* LG Electronics X110 */ | |
572 | .matches = { | |
573 | DMI_MATCH(DMI_BOARD_NAME, "X110"), | |
574 | DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."), | |
575 | }, | |
576 | }, | |
577 | { | |
578 | /* Acer Aspire One 150 */ | |
579 | .matches = { | |
580 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
581 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), | |
582 | }, | |
583 | }, | |
584 | { | |
585 | /* Advent 4211 */ | |
586 | .matches = { | |
587 | DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"), | |
588 | DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"), | |
589 | }, | |
590 | }, | |
591 | { | |
592 | /* Medion Akoya Mini E1210 */ | |
593 | .matches = { | |
594 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
595 | DMI_MATCH(DMI_PRODUCT_NAME, "E1210"), | |
596 | }, | |
597 | }, | |
598 | { | |
599 | /* Medion Akoya E1222 */ | |
600 | .matches = { | |
601 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
602 | DMI_MATCH(DMI_PRODUCT_NAME, "E122X"), | |
603 | }, | |
604 | }, | |
605 | { | |
606 | /* Mivvy M310 */ | |
607 | .matches = { | |
608 | DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"), | |
609 | DMI_MATCH(DMI_PRODUCT_NAME, "N10"), | |
610 | }, | |
611 | }, | |
612 | { | |
613 | /* Dell Vostro 1320 */ | |
614 | .matches = { | |
615 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
616 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"), | |
617 | }, | |
618 | }, | |
619 | { | |
620 | /* Dell Vostro 1520 */ | |
621 | .matches = { | |
622 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
623 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"), | |
624 | }, | |
625 | }, | |
626 | { | |
627 | /* Dell Vostro 1720 */ | |
628 | .matches = { | |
629 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
630 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"), | |
631 | }, | |
632 | }, | |
633 | { | |
634 | /* Lenovo Ideapad U455 */ | |
635 | .matches = { | |
636 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
637 | DMI_MATCH(DMI_PRODUCT_NAME, "20046"), | |
638 | }, | |
639 | }, | |
640 | { | |
641 | /* Lenovo ThinkPad L460 */ | |
642 | .matches = { | |
643 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
644 | DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"), | |
645 | }, | |
646 | }, | |
647 | { | |
648 | /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */ | |
649 | .matches = { | |
650 | DMI_MATCH(DMI_SYS_VENDOR, "Notebook"), | |
651 | DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"), | |
652 | }, | |
653 | }, | |
654 | { } | |
655 | }; | |
656 | ||
657 | #ifdef CONFIG_PNP | |
658 | static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = { | |
659 | { | |
660 | /* Intel MBO Desktop D845PESV */ | |
661 | .matches = { | |
662 | DMI_MATCH(DMI_BOARD_NAME, "D845PESV"), | |
663 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"), | |
664 | }, | |
665 | }, | |
666 | { | |
667 | /* | |
668 | * Intel NUC D54250WYK - does not have i8042 controller but | |
669 | * declares PS/2 devices in DSDT. | |
670 | */ | |
671 | .matches = { | |
672 | DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"), | |
673 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"), | |
674 | }, | |
675 | }, | |
676 | { | |
677 | /* MSI Wind U-100 */ | |
678 | .matches = { | |
679 | DMI_MATCH(DMI_BOARD_NAME, "U-100"), | |
680 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), | |
681 | }, | |
682 | }, | |
683 | { } | |
684 | }; | |
685 | ||
686 | static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = { | |
687 | { | |
688 | .matches = { | |
689 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ | |
690 | }, | |
691 | }, | |
692 | { | |
693 | .matches = { | |
694 | DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */ | |
695 | }, | |
696 | }, | |
697 | { | |
698 | .matches = { | |
699 | DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */ | |
700 | }, | |
701 | }, | |
702 | { | |
703 | .matches = { | |
704 | DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */ | |
705 | }, | |
706 | }, | |
707 | { } | |
708 | }; | |
709 | #endif | |
710 | ||
711 | static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { | |
712 | { | |
713 | /* Dell Vostro V13 */ | |
714 | .matches = { | |
715 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
716 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), | |
717 | }, | |
718 | }, | |
719 | { | |
720 | /* Newer HP Pavilion dv4 models */ | |
721 | .matches = { | |
722 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
723 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), | |
724 | }, | |
725 | }, | |
726 | { | |
727 | /* Fujitsu A544 laptop */ | |
728 | /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */ | |
729 | .matches = { | |
730 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
731 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"), | |
732 | }, | |
733 | }, | |
734 | { | |
735 | /* Fujitsu AH544 laptop */ | |
736 | /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */ | |
737 | .matches = { | |
738 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
739 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"), | |
740 | }, | |
741 | }, | |
742 | { | |
743 | /* Fujitsu U574 laptop */ | |
744 | /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */ | |
745 | .matches = { | |
746 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
747 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"), | |
748 | }, | |
749 | }, | |
750 | { | |
751 | /* Fujitsu UH554 laptop */ | |
752 | .matches = { | |
753 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
754 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"), | |
755 | }, | |
756 | }, | |
757 | { } | |
758 | }; | |
759 | ||
760 | /* | |
761 | * Some Wistron based laptops need us to explicitly enable the 'Dritek | |
762 | * keyboard extension' to make their extra keys start generating scancodes. | |
763 | * Originally, this was just confined to older laptops, but a few Acer laptops | |
764 | * have turned up in 2007 that also need this again. | |
765 | */ | |
766 | static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = { | |
767 | { | |
768 | /* Acer Aspire 5100 */ | |
769 | .matches = { | |
770 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
771 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), | |
772 | }, | |
773 | }, | |
774 | { | |
775 | /* Acer Aspire 5610 */ | |
776 | .matches = { | |
777 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
778 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), | |
779 | }, | |
780 | }, | |
781 | { | |
782 | /* Acer Aspire 5630 */ | |
783 | .matches = { | |
784 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
785 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), | |
786 | }, | |
787 | }, | |
788 | { | |
789 | /* Acer Aspire 5650 */ | |
790 | .matches = { | |
791 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
792 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), | |
793 | }, | |
794 | }, | |
795 | { | |
796 | /* Acer Aspire 5680 */ | |
797 | .matches = { | |
798 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
799 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), | |
800 | }, | |
801 | }, | |
802 | { | |
803 | /* Acer Aspire 5720 */ | |
804 | .matches = { | |
805 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
806 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"), | |
807 | }, | |
808 | }, | |
809 | { | |
810 | /* Acer Aspire 9110 */ | |
811 | .matches = { | |
812 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
813 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), | |
814 | }, | |
815 | }, | |
816 | { | |
817 | /* Acer TravelMate 660 */ | |
818 | .matches = { | |
819 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
820 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"), | |
821 | }, | |
822 | }, | |
823 | { | |
824 | /* Acer TravelMate 2490 */ | |
825 | .matches = { | |
826 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
827 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), | |
828 | }, | |
829 | }, | |
830 | { | |
831 | /* Acer TravelMate 4280 */ | |
832 | .matches = { | |
833 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
834 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"), | |
835 | }, | |
836 | }, | |
837 | { } | |
838 | }; | |
839 | ||
840 | /* | |
841 | * Some laptops need keyboard reset before probing for the trackpad to get | |
842 | * it detected, initialised & finally work. | |
843 | */ | |
844 | static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = { | |
845 | { | |
846 | /* Gigabyte P35 v2 - Elantech touchpad */ | |
847 | .matches = { | |
848 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
849 | DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"), | |
850 | }, | |
851 | }, | |
852 | { | |
853 | /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */ | |
854 | .matches = { | |
855 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
856 | DMI_MATCH(DMI_PRODUCT_NAME, "X3"), | |
857 | }, | |
858 | }, | |
859 | { | |
860 | /* Gigabyte P34 - Elantech touchpad */ | |
861 | .matches = { | |
862 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
863 | DMI_MATCH(DMI_PRODUCT_NAME, "P34"), | |
864 | }, | |
865 | }, | |
866 | { | |
867 | /* Gigabyte P57 - Elantech touchpad */ | |
868 | .matches = { | |
869 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
870 | DMI_MATCH(DMI_PRODUCT_NAME, "P57"), | |
871 | }, | |
872 | }, | |
873 | { | |
874 | /* Schenker XMG C504 - Elantech touchpad */ | |
875 | .matches = { | |
876 | DMI_MATCH(DMI_SYS_VENDOR, "XMG"), | |
877 | DMI_MATCH(DMI_PRODUCT_NAME, "C504"), | |
878 | }, | |
879 | }, | |
880 | { } | |
881 | }; | |
882 | ||
883 | #endif /* CONFIG_X86 */ | |
884 | ||
885 | #ifdef CONFIG_PNP | |
886 | #include <linux/pnp.h> | |
887 | ||
888 | static bool i8042_pnp_kbd_registered; | |
889 | static unsigned int i8042_pnp_kbd_devices; | |
890 | static bool i8042_pnp_aux_registered; | |
891 | static unsigned int i8042_pnp_aux_devices; | |
892 | ||
893 | static int i8042_pnp_command_reg; | |
894 | static int i8042_pnp_data_reg; | |
895 | static int i8042_pnp_kbd_irq; | |
896 | static int i8042_pnp_aux_irq; | |
897 | ||
898 | static char i8042_pnp_kbd_name[32]; | |
899 | static char i8042_pnp_aux_name[32]; | |
900 | ||
901 | static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size) | |
902 | { | |
903 | strlcpy(dst, "PNP:", dst_size); | |
904 | ||
905 | while (id) { | |
906 | strlcat(dst, " ", dst_size); | |
907 | strlcat(dst, id->id, dst_size); | |
908 | id = id->next; | |
909 | } | |
910 | } | |
911 | ||
912 | static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did) | |
913 | { | |
914 | if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) | |
915 | i8042_pnp_data_reg = pnp_port_start(dev,0); | |
916 | ||
917 | if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1) | |
918 | i8042_pnp_command_reg = pnp_port_start(dev, 1); | |
919 | ||
920 | if (pnp_irq_valid(dev,0)) | |
921 | i8042_pnp_kbd_irq = pnp_irq(dev, 0); | |
922 | ||
923 | strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name)); | |
924 | if (strlen(pnp_dev_name(dev))) { | |
925 | strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name)); | |
926 | strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name)); | |
927 | } | |
928 | i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id, | |
929 | sizeof(i8042_kbd_firmware_id)); | |
930 | ||
931 | /* Keyboard ports are always supposed to be wakeup-enabled */ | |
932 | device_set_wakeup_enable(&dev->dev, true); | |
933 | ||
934 | i8042_pnp_kbd_devices++; | |
935 | return 0; | |
936 | } | |
937 | ||
938 | static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did) | |
939 | { | |
940 | if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) | |
941 | i8042_pnp_data_reg = pnp_port_start(dev,0); | |
942 | ||
943 | if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1) | |
944 | i8042_pnp_command_reg = pnp_port_start(dev, 1); | |
945 | ||
946 | if (pnp_irq_valid(dev, 0)) | |
947 | i8042_pnp_aux_irq = pnp_irq(dev, 0); | |
948 | ||
949 | strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name)); | |
950 | if (strlen(pnp_dev_name(dev))) { | |
951 | strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name)); | |
952 | strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name)); | |
953 | } | |
954 | i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id, | |
955 | sizeof(i8042_aux_firmware_id)); | |
956 | ||
957 | i8042_pnp_aux_devices++; | |
958 | return 0; | |
959 | } | |
960 | ||
961 | static const struct pnp_device_id pnp_kbd_devids[] = { | |
962 | { .id = "PNP0300", .driver_data = 0 }, | |
963 | { .id = "PNP0301", .driver_data = 0 }, | |
964 | { .id = "PNP0302", .driver_data = 0 }, | |
965 | { .id = "PNP0303", .driver_data = 0 }, | |
966 | { .id = "PNP0304", .driver_data = 0 }, | |
967 | { .id = "PNP0305", .driver_data = 0 }, | |
968 | { .id = "PNP0306", .driver_data = 0 }, | |
969 | { .id = "PNP0309", .driver_data = 0 }, | |
970 | { .id = "PNP030a", .driver_data = 0 }, | |
971 | { .id = "PNP030b", .driver_data = 0 }, | |
972 | { .id = "PNP0320", .driver_data = 0 }, | |
973 | { .id = "PNP0343", .driver_data = 0 }, | |
974 | { .id = "PNP0344", .driver_data = 0 }, | |
975 | { .id = "PNP0345", .driver_data = 0 }, | |
976 | { .id = "CPQA0D7", .driver_data = 0 }, | |
977 | { .id = "", }, | |
978 | }; | |
979 | MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids); | |
980 | ||
981 | static struct pnp_driver i8042_pnp_kbd_driver = { | |
982 | .name = "i8042 kbd", | |
983 | .id_table = pnp_kbd_devids, | |
984 | .probe = i8042_pnp_kbd_probe, | |
985 | .driver = { | |
986 | .probe_type = PROBE_FORCE_SYNCHRONOUS, | |
987 | .suppress_bind_attrs = true, | |
988 | }, | |
989 | }; | |
990 | ||
991 | static const struct pnp_device_id pnp_aux_devids[] = { | |
992 | { .id = "AUI0200", .driver_data = 0 }, | |
993 | { .id = "FJC6000", .driver_data = 0 }, | |
994 | { .id = "FJC6001", .driver_data = 0 }, | |
995 | { .id = "PNP0f03", .driver_data = 0 }, | |
996 | { .id = "PNP0f0b", .driver_data = 0 }, | |
997 | { .id = "PNP0f0e", .driver_data = 0 }, | |
998 | { .id = "PNP0f12", .driver_data = 0 }, | |
999 | { .id = "PNP0f13", .driver_data = 0 }, | |
1000 | { .id = "PNP0f19", .driver_data = 0 }, | |
1001 | { .id = "PNP0f1c", .driver_data = 0 }, | |
1002 | { .id = "SYN0801", .driver_data = 0 }, | |
1003 | { .id = "", }, | |
1004 | }; | |
1005 | MODULE_DEVICE_TABLE(pnp, pnp_aux_devids); | |
1006 | ||
1007 | static struct pnp_driver i8042_pnp_aux_driver = { | |
1008 | .name = "i8042 aux", | |
1009 | .id_table = pnp_aux_devids, | |
1010 | .probe = i8042_pnp_aux_probe, | |
1011 | .driver = { | |
1012 | .probe_type = PROBE_FORCE_SYNCHRONOUS, | |
1013 | .suppress_bind_attrs = true, | |
1014 | }, | |
1015 | }; | |
1016 | ||
1017 | static void i8042_pnp_exit(void) | |
1018 | { | |
1019 | if (i8042_pnp_kbd_registered) { | |
1020 | i8042_pnp_kbd_registered = false; | |
1021 | pnp_unregister_driver(&i8042_pnp_kbd_driver); | |
1022 | } | |
1023 | ||
1024 | if (i8042_pnp_aux_registered) { | |
1025 | i8042_pnp_aux_registered = false; | |
1026 | pnp_unregister_driver(&i8042_pnp_aux_driver); | |
1027 | } | |
1028 | } | |
1029 | ||
1030 | static int __init i8042_pnp_init(void) | |
1031 | { | |
1032 | char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 }; | |
1033 | bool pnp_data_busted = false; | |
1034 | int err; | |
1035 | ||
1036 | #ifdef CONFIG_X86 | |
1037 | if (dmi_check_system(i8042_dmi_nopnp_table)) | |
1038 | i8042_nopnp = true; | |
1039 | #endif | |
1040 | ||
1041 | if (i8042_nopnp) { | |
1042 | pr_info("PNP detection disabled\n"); | |
1043 | return 0; | |
1044 | } | |
1045 | ||
1046 | err = pnp_register_driver(&i8042_pnp_kbd_driver); | |
1047 | if (!err) | |
1048 | i8042_pnp_kbd_registered = true; | |
1049 | ||
1050 | err = pnp_register_driver(&i8042_pnp_aux_driver); | |
1051 | if (!err) | |
1052 | i8042_pnp_aux_registered = true; | |
1053 | ||
1054 | if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) { | |
1055 | i8042_pnp_exit(); | |
1056 | #if defined(__ia64__) | |
1057 | return -ENODEV; | |
1058 | #else | |
1059 | pr_info("PNP: No PS/2 controller found.\n"); | |
1060 | if (x86_platform.legacy.i8042 != | |
1061 | X86_LEGACY_I8042_EXPECTED_PRESENT) | |
1062 | return -ENODEV; | |
1063 | pr_info("Probing ports directly.\n"); | |
1064 | return 0; | |
1065 | #endif | |
1066 | } | |
1067 | ||
1068 | if (i8042_pnp_kbd_devices) | |
1069 | snprintf(kbd_irq_str, sizeof(kbd_irq_str), | |
1070 | "%d", i8042_pnp_kbd_irq); | |
1071 | if (i8042_pnp_aux_devices) | |
1072 | snprintf(aux_irq_str, sizeof(aux_irq_str), | |
1073 | "%d", i8042_pnp_aux_irq); | |
1074 | ||
1075 | pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n", | |
1076 | i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", | |
1077 | i8042_pnp_aux_name, | |
1078 | i8042_pnp_data_reg, i8042_pnp_command_reg, | |
1079 | kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", | |
1080 | aux_irq_str); | |
1081 | ||
1082 | #if defined(__ia64__) | |
1083 | if (!i8042_pnp_kbd_devices) | |
1084 | i8042_nokbd = true; | |
1085 | if (!i8042_pnp_aux_devices) | |
1086 | i8042_noaux = true; | |
1087 | #endif | |
1088 | ||
1089 | if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) && | |
1090 | i8042_pnp_data_reg != i8042_data_reg) || | |
1091 | !i8042_pnp_data_reg) { | |
1092 | pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n", | |
1093 | i8042_pnp_data_reg, i8042_data_reg); | |
1094 | i8042_pnp_data_reg = i8042_data_reg; | |
1095 | pnp_data_busted = true; | |
1096 | } | |
1097 | ||
1098 | if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) && | |
1099 | i8042_pnp_command_reg != i8042_command_reg) || | |
1100 | !i8042_pnp_command_reg) { | |
1101 | pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n", | |
1102 | i8042_pnp_command_reg, i8042_command_reg); | |
1103 | i8042_pnp_command_reg = i8042_command_reg; | |
1104 | pnp_data_busted = true; | |
1105 | } | |
1106 | ||
1107 | if (!i8042_nokbd && !i8042_pnp_kbd_irq) { | |
1108 | pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n", | |
1109 | i8042_kbd_irq); | |
1110 | i8042_pnp_kbd_irq = i8042_kbd_irq; | |
1111 | pnp_data_busted = true; | |
1112 | } | |
1113 | ||
1114 | if (!i8042_noaux && !i8042_pnp_aux_irq) { | |
1115 | if (!pnp_data_busted && i8042_pnp_kbd_irq) { | |
1116 | pr_warn("PNP: PS/2 appears to have AUX port disabled, " | |
1117 | "if this is incorrect please boot with i8042.nopnp\n"); | |
1118 | i8042_noaux = true; | |
1119 | } else { | |
1120 | pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n", | |
1121 | i8042_aux_irq); | |
1122 | i8042_pnp_aux_irq = i8042_aux_irq; | |
1123 | } | |
1124 | } | |
1125 | ||
1126 | i8042_data_reg = i8042_pnp_data_reg; | |
1127 | i8042_command_reg = i8042_pnp_command_reg; | |
1128 | i8042_kbd_irq = i8042_pnp_kbd_irq; | |
1129 | i8042_aux_irq = i8042_pnp_aux_irq; | |
1130 | ||
1131 | #ifdef CONFIG_X86 | |
1132 | i8042_bypass_aux_irq_test = !pnp_data_busted && | |
1133 | dmi_check_system(i8042_dmi_laptop_table); | |
1134 | #endif | |
1135 | ||
1136 | return 0; | |
1137 | } | |
1138 | ||
1139 | #else /* !CONFIG_PNP */ | |
1140 | static inline int i8042_pnp_init(void) { return 0; } | |
1141 | static inline void i8042_pnp_exit(void) { } | |
1142 | #endif /* CONFIG_PNP */ | |
1143 | ||
1144 | static int __init i8042_platform_init(void) | |
1145 | { | |
1146 | int retval; | |
1147 | ||
1148 | #ifdef CONFIG_X86 | |
1149 | u8 a20_on = 0xdf; | |
1150 | /* Just return if platform does not have i8042 controller */ | |
1151 | if (x86_platform.legacy.i8042 == X86_LEGACY_I8042_PLATFORM_ABSENT) | |
1152 | return -ENODEV; | |
1153 | #endif | |
1154 | ||
1155 | /* | |
1156 | * On ix86 platforms touching the i8042 data register region can do really | |
1157 | * bad things. Because of this the region is always reserved on ix86 boxes. | |
1158 | * | |
1159 | * if (!request_region(I8042_DATA_REG, 16, "i8042")) | |
1160 | * return -EBUSY; | |
1161 | */ | |
1162 | ||
1163 | i8042_kbd_irq = I8042_MAP_IRQ(1); | |
1164 | i8042_aux_irq = I8042_MAP_IRQ(12); | |
1165 | ||
1166 | retval = i8042_pnp_init(); | |
1167 | if (retval) | |
1168 | return retval; | |
1169 | ||
1170 | #if defined(__ia64__) | |
1171 | i8042_reset = I8042_RESET_ALWAYS; | |
1172 | #endif | |
1173 | ||
1174 | #ifdef CONFIG_X86 | |
1175 | /* Honor module parameter when value is not default */ | |
1176 | if (i8042_reset == I8042_RESET_DEFAULT) { | |
1177 | if (dmi_check_system(i8042_dmi_reset_table)) | |
1178 | i8042_reset = I8042_RESET_ALWAYS; | |
1179 | ||
1180 | if (dmi_check_system(i8042_dmi_noselftest_table)) | |
1181 | i8042_reset = I8042_RESET_NEVER; | |
1182 | } | |
1183 | ||
1184 | if (dmi_check_system(i8042_dmi_noloop_table)) | |
1185 | i8042_noloop = true; | |
1186 | ||
1187 | if (dmi_check_system(i8042_dmi_nomux_table)) | |
1188 | i8042_nomux = true; | |
1189 | ||
1190 | if (dmi_check_system(i8042_dmi_forcemux_table)) | |
1191 | i8042_nomux = false; | |
1192 | ||
1193 | if (dmi_check_system(i8042_dmi_notimeout_table)) | |
1194 | i8042_notimeout = true; | |
1195 | ||
1196 | if (dmi_check_system(i8042_dmi_dritek_table)) | |
1197 | i8042_dritek = true; | |
1198 | ||
1199 | if (dmi_check_system(i8042_dmi_kbdreset_table)) | |
1200 | i8042_kbdreset = true; | |
1201 | ||
1202 | /* | |
1203 | * A20 was already enabled during early kernel init. But some buggy | |
1204 | * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to | |
1205 | * resume from S3. So we do it here and hope that nothing breaks. | |
1206 | */ | |
1207 | i8042_command(&a20_on, 0x10d1); | |
1208 | i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */ | |
1209 | #endif /* CONFIG_X86 */ | |
1210 | ||
1211 | return retval; | |
1212 | } | |
1213 | ||
1214 | static inline void i8042_platform_exit(void) | |
1215 | { | |
1216 | i8042_pnp_exit(); | |
1217 | } | |
1218 | ||
1219 | #endif /* _I8042_X86IA64IO_H */ |