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1da177e4 LT |
1 | #ifndef _I8042_X86IA64IO_H |
2 | #define _I8042_X86IA64IO_H | |
3 | ||
4 | /* | |
5 | * This program is free software; you can redistribute it and/or modify it | |
6 | * under the terms of the GNU General Public License version 2 as published by | |
7 | * the Free Software Foundation. | |
8 | */ | |
9 | ||
5cdfa1c3 FT |
10 | #ifdef CONFIG_X86 |
11 | #include <asm/x86_init.h> | |
12 | #endif | |
13 | ||
1da177e4 LT |
14 | /* |
15 | * Names. | |
16 | */ | |
17 | ||
18 | #define I8042_KBD_PHYS_DESC "isa0060/serio0" | |
19 | #define I8042_AUX_PHYS_DESC "isa0060/serio1" | |
20 | #define I8042_MUX_PHYS_DESC "isa0060/serio%d" | |
21 | ||
22 | /* | |
23 | * IRQs. | |
24 | */ | |
25 | ||
26 | #if defined(__ia64__) | |
27 | # define I8042_MAP_IRQ(x) isa_irq_to_vector((x)) | |
28 | #else | |
29 | # define I8042_MAP_IRQ(x) (x) | |
30 | #endif | |
31 | ||
32 | #define I8042_KBD_IRQ i8042_kbd_irq | |
33 | #define I8042_AUX_IRQ i8042_aux_irq | |
34 | ||
35 | static int i8042_kbd_irq; | |
36 | static int i8042_aux_irq; | |
37 | ||
38 | /* | |
39 | * Register numbers. | |
40 | */ | |
41 | ||
42 | #define I8042_COMMAND_REG i8042_command_reg | |
43 | #define I8042_STATUS_REG i8042_command_reg | |
44 | #define I8042_DATA_REG i8042_data_reg | |
45 | ||
46 | static int i8042_command_reg = 0x64; | |
47 | static int i8042_data_reg = 0x60; | |
48 | ||
49 | ||
50 | static inline int i8042_read_data(void) | |
51 | { | |
52 | return inb(I8042_DATA_REG); | |
53 | } | |
54 | ||
55 | static inline int i8042_read_status(void) | |
56 | { | |
57 | return inb(I8042_STATUS_REG); | |
58 | } | |
59 | ||
60 | static inline void i8042_write_data(int val) | |
61 | { | |
62 | outb(val, I8042_DATA_REG); | |
63 | } | |
64 | ||
65 | static inline void i8042_write_command(int val) | |
66 | { | |
67 | outb(val, I8042_COMMAND_REG); | |
68 | } | |
69 | ||
c3a34f43 | 70 | #ifdef CONFIG_X86 |
1da177e4 LT |
71 | |
72 | #include <linux/dmi.h> | |
73 | ||
f909b1df | 74 | static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = { |
87d9173e | 75 | { |
f909b1df DT |
76 | /* |
77 | * Arima-Rioworks HDAMB - | |
78 | * AUX LOOP command does not raise AUX IRQ | |
79 | */ | |
87d9173e DT |
80 | .matches = { |
81 | DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"), | |
82 | DMI_MATCH(DMI_BOARD_NAME, "HDAMB"), | |
83 | DMI_MATCH(DMI_BOARD_VERSION, "Rev E"), | |
84 | }, | |
85 | }, | |
685aaca7 | 86 | { |
f909b1df | 87 | /* ASUS G1S */ |
685aaca7 JP |
88 | .matches = { |
89 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."), | |
90 | DMI_MATCH(DMI_BOARD_NAME, "G1S"), | |
91 | DMI_MATCH(DMI_BOARD_VERSION, "1.0"), | |
92 | }, | |
93 | }, | |
90245c17 | 94 | { |
f909b1df | 95 | /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */ |
90245c17 DT |
96 | .matches = { |
97 | DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."), | |
98 | DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"), | |
99 | DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"), | |
100 | }, | |
101 | }, | |
1da177e4 | 102 | { |
1da177e4 LT |
103 | .matches = { |
104 | DMI_MATCH(DMI_SYS_VENDOR, "Compaq"), | |
105 | DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"), | |
106 | DMI_MATCH(DMI_PRODUCT_VERSION, "8500"), | |
107 | }, | |
108 | }, | |
109 | { | |
1da177e4 LT |
110 | .matches = { |
111 | DMI_MATCH(DMI_SYS_VENDOR, "Compaq"), | |
112 | DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"), | |
113 | DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"), | |
114 | }, | |
115 | }, | |
6020bafc | 116 | { |
f909b1df | 117 | /* OQO Model 01 */ |
6020bafc BC |
118 | .matches = { |
119 | DMI_MATCH(DMI_SYS_VENDOR, "OQO"), | |
120 | DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"), | |
121 | DMI_MATCH(DMI_PRODUCT_VERSION, "00"), | |
122 | }, | |
123 | }, | |
8c4df74e | 124 | { |
f909b1df | 125 | /* ULI EV4873 - AUX LOOP does not work properly */ |
8c4df74e DT |
126 | .matches = { |
127 | DMI_MATCH(DMI_SYS_VENDOR, "ULI"), | |
128 | DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"), | |
129 | DMI_MATCH(DMI_PRODUCT_VERSION, "5a"), | |
130 | }, | |
131 | }, | |
8bf4215e | 132 | { |
f909b1df | 133 | /* Microsoft Virtual Machine */ |
8bf4215e JK |
134 | .matches = { |
135 | DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"), | |
136 | DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"), | |
137 | DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"), | |
138 | }, | |
139 | }, | |
89cdb8ce | 140 | { |
f909b1df | 141 | /* Medion MAM 2070 */ |
89cdb8ce DT |
142 | .matches = { |
143 | DMI_MATCH(DMI_SYS_VENDOR, "Notebook"), | |
144 | DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"), | |
145 | DMI_MATCH(DMI_PRODUCT_VERSION, "5a"), | |
146 | }, | |
147 | }, | |
2c6f2cb8 | 148 | { |
f909b1df | 149 | /* Blue FB5601 */ |
2c6f2cb8 SB |
150 | .matches = { |
151 | DMI_MATCH(DMI_SYS_VENDOR, "blue"), | |
152 | DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"), | |
153 | DMI_MATCH(DMI_PRODUCT_VERSION, "M606"), | |
154 | }, | |
155 | }, | |
a6f66ddf | 156 | { |
f909b1df | 157 | /* Gigabyte M912 */ |
a6f66ddf OÇ |
158 | .matches = { |
159 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
160 | DMI_MATCH(DMI_PRODUCT_NAME, "M912"), | |
161 | DMI_MATCH(DMI_PRODUCT_VERSION, "01"), | |
162 | }, | |
163 | }, | |
a61cd038 DT |
164 | { |
165 | /* Gigabyte M1022M netbook */ | |
166 | .matches = { | |
167 | DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."), | |
168 | DMI_MATCH(DMI_BOARD_NAME, "M1022E"), | |
169 | DMI_MATCH(DMI_BOARD_VERSION, "1.02"), | |
170 | }, | |
171 | }, | |
3e1bbc8d KM |
172 | { |
173 | /* Gigabyte Spring Peak - defines wrong chassis type */ | |
174 | .matches = { | |
175 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
176 | DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"), | |
177 | }, | |
178 | }, | |
7b125b94 DT |
179 | { |
180 | /* Gigabyte T1005 - defines wrong chassis type ("Other") */ | |
181 | .matches = { | |
182 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
183 | DMI_MATCH(DMI_PRODUCT_NAME, "T1005"), | |
184 | }, | |
185 | }, | |
186 | { | |
187 | /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */ | |
188 | .matches = { | |
189 | DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"), | |
190 | DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"), | |
191 | }, | |
192 | }, | |
59cc1dd9 | 193 | { |
59cc1dd9 DT |
194 | .matches = { |
195 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
196 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"), | |
197 | DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"), | |
198 | }, | |
199 | }, | |
1da177e4 LT |
200 | { } |
201 | }; | |
202 | ||
203 | /* | |
59311de3 | 204 | * Some Fujitsu notebooks are having trouble with touchpads if |
1da177e4 LT |
205 | * active multiplexing mode is activated. Luckily they don't have |
206 | * external PS/2 ports so we can safely disable it. | |
59311de3 DT |
207 | * ... apparently some Toshibas don't like MUX mode either and |
208 | * die horrible death on reboot. | |
1da177e4 | 209 | */ |
f909b1df | 210 | static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = { |
1da177e4 | 211 | { |
f909b1df | 212 | /* Fujitsu Lifebook P7010/P7010D */ |
1da177e4 LT |
213 | .matches = { |
214 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
215 | DMI_MATCH(DMI_PRODUCT_NAME, "P7010"), | |
216 | }, | |
217 | }, | |
bb06ec3c | 218 | { |
f909b1df | 219 | /* Fujitsu Lifebook P7010 */ |
bb06ec3c DT |
220 | .matches = { |
221 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
222 | DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"), | |
223 | }, | |
224 | }, | |
1da177e4 | 225 | { |
f909b1df | 226 | /* Fujitsu Lifebook P5020D */ |
1da177e4 LT |
227 | .matches = { |
228 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
229 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"), | |
230 | }, | |
231 | }, | |
232 | { | |
f909b1df | 233 | /* Fujitsu Lifebook S2000 */ |
1da177e4 LT |
234 | .matches = { |
235 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
236 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"), | |
237 | }, | |
238 | }, | |
b4ff99b6 | 239 | { |
f909b1df | 240 | /* Fujitsu Lifebook S6230 */ |
b4ff99b6 DT |
241 | .matches = { |
242 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
243 | DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"), | |
244 | }, | |
245 | }, | |
1da177e4 | 246 | { |
f909b1df | 247 | /* Fujitsu T70H */ |
1da177e4 LT |
248 | .matches = { |
249 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"), | |
250 | DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"), | |
251 | }, | |
252 | }, | |
20f07944 | 253 | { |
f909b1df | 254 | /* Fujitsu-Siemens Lifebook T3010 */ |
20f07944 VP |
255 | .matches = { |
256 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
257 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"), | |
258 | }, | |
259 | }, | |
7545c24c | 260 | { |
f909b1df | 261 | /* Fujitsu-Siemens Lifebook E4010 */ |
7545c24c DT |
262 | .matches = { |
263 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
264 | DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"), | |
265 | }, | |
266 | }, | |
3f79b1e9 | 267 | { |
f909b1df | 268 | /* Fujitsu-Siemens Amilo Pro 2010 */ |
3f79b1e9 JK |
269 | .matches = { |
270 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
271 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"), | |
272 | }, | |
273 | }, | |
efd51846 | 274 | { |
f909b1df | 275 | /* Fujitsu-Siemens Amilo Pro 2030 */ |
efd51846 JK |
276 | .matches = { |
277 | DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"), | |
278 | DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"), | |
279 | }, | |
280 | }, | |
cc8310e3 DT |
281 | { |
282 | /* | |
283 | * No data is coming from the touchscreen unless KBC | |
284 | * is in legacy mode. | |
285 | */ | |
f909b1df | 286 | /* Panasonic CF-29 */ |
cc8310e3 DT |
287 | .matches = { |
288 | DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"), | |
289 | DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"), | |
290 | }, | |
291 | }, | |
6e782584 DT |
292 | { |
293 | /* | |
f909b1df DT |
294 | * HP Pavilion DV4017EA - |
295 | * errors on MUX ports are reported without raising AUXDATA | |
6e782584 DT |
296 | * causing "spurious NAK" messages. |
297 | */ | |
6e782584 DT |
298 | .matches = { |
299 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
300 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"), | |
301 | }, | |
302 | }, | |
9d9d50bb DT |
303 | { |
304 | /* | |
f909b1df DT |
305 | * HP Pavilion ZT1000 - |
306 | * like DV4017EA does not raise AUXERR for errors on MUX ports. | |
9d9d50bb | 307 | */ |
9d9d50bb DT |
308 | .matches = { |
309 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
310 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"), | |
311 | DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"), | |
312 | }, | |
313 | }, | |
749aea73 EP |
314 | { |
315 | /* | |
f909b1df DT |
316 | * HP Pavilion DV4270ca - |
317 | * like DV4017EA does not raise AUXERR for errors on MUX ports. | |
749aea73 | 318 | */ |
749aea73 EP |
319 | .matches = { |
320 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
321 | DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"), | |
322 | }, | |
323 | }, | |
59311de3 | 324 | { |
59311de3 DT |
325 | .matches = { |
326 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
327 | DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"), | |
328 | }, | |
329 | }, | |
a91eaa16 | 330 | { |
a91eaa16 DT |
331 | .matches = { |
332 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
333 | DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"), | |
334 | }, | |
335 | }, | |
8669cf67 AA |
336 | { |
337 | .matches = { | |
338 | DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"), | |
339 | DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"), | |
340 | }, | |
341 | }, | |
865190cd | 342 | { |
865190cd DT |
343 | .matches = { |
344 | DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"), | |
345 | DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"), | |
346 | }, | |
347 | }, | |
4eb38ac0 | 348 | { |
f909b1df | 349 | /* Sharp Actius MM20 */ |
4eb38ac0 DT |
350 | .matches = { |
351 | DMI_MATCH(DMI_SYS_VENDOR, "SHARP"), | |
352 | DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"), | |
353 | }, | |
354 | }, | |
3dd01a83 | 355 | { |
f909b1df | 356 | /* Sony Vaio FS-115b */ |
3dd01a83 VP |
357 | .matches = { |
358 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
359 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"), | |
360 | }, | |
361 | }, | |
b0225e8f DT |
362 | { |
363 | /* | |
f909b1df DT |
364 | * Sony Vaio FZ-240E - |
365 | * reset and GET ID commands issued via KBD port are | |
b0225e8f DT |
366 | * sometimes being delivered to AUX3. |
367 | */ | |
b0225e8f DT |
368 | .matches = { |
369 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
370 | DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"), | |
371 | }, | |
372 | }, | |
73b14484 JB |
373 | { |
374 | /* | |
375 | * Most (all?) VAIOs do not have external PS/2 ports nor | |
376 | * they implement active multiplexing properly, and | |
377 | * MUX discovery usually messes up keyboard/touchpad. | |
378 | */ | |
379 | .matches = { | |
380 | DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"), | |
381 | DMI_MATCH(DMI_BOARD_NAME, "VAIO"), | |
382 | }, | |
383 | }, | |
e2df452b | 384 | { |
f909b1df | 385 | /* Amoi M636/A737 */ |
e2df452b CH |
386 | .matches = { |
387 | DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."), | |
388 | DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"), | |
389 | }, | |
390 | }, | |
2a2dcd65 | 391 | { |
f909b1df | 392 | /* Lenovo 3000 n100 */ |
2a2dcd65 JK |
393 | .matches = { |
394 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
9ce1ca28 | 395 | DMI_MATCH(DMI_PRODUCT_NAME, "076804U"), |
2a2dcd65 JK |
396 | }, |
397 | }, | |
0376bce7 | 398 | { |
0376bce7 JK |
399 | .matches = { |
400 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
401 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"), | |
402 | }, | |
403 | }, | |
5b5b43d0 | 404 | { |
f909b1df | 405 | /* Gericom Bellagio */ |
5b5b43d0 JK |
406 | .matches = { |
407 | DMI_MATCH(DMI_SYS_VENDOR, "Gericom"), | |
408 | DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"), | |
409 | }, | |
410 | }, | |
5bd8a05e | 411 | { |
f909b1df | 412 | /* IBM 2656 */ |
5bd8a05e CM |
413 | .matches = { |
414 | DMI_MATCH(DMI_SYS_VENDOR, "IBM"), | |
415 | DMI_MATCH(DMI_PRODUCT_NAME, "2656"), | |
416 | }, | |
417 | }, | |
786b11cc | 418 | { |
f909b1df | 419 | /* Dell XPS M1530 */ |
786b11cc HRK |
420 | .matches = { |
421 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
422 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"), | |
423 | }, | |
424 | }, | |
5f4ba04f | 425 | { |
f909b1df | 426 | /* Compal HEL80I */ |
5f4ba04f DT |
427 | .matches = { |
428 | DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"), | |
429 | DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"), | |
430 | }, | |
431 | }, | |
9334e90d | 432 | { |
f909b1df | 433 | /* Dell Vostro 1510 */ |
9334e90d JK |
434 | .matches = { |
435 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
436 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"), | |
437 | }, | |
438 | }, | |
ced909ff | 439 | { |
f909b1df | 440 | /* Acer Aspire 5536 */ |
ced909ff DT |
441 | .matches = { |
442 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
443 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"), | |
444 | DMI_MATCH(DMI_PRODUCT_VERSION, "0100"), | |
445 | }, | |
446 | }, | |
f8313ef1 JK |
447 | { |
448 | /* Dell Vostro V13 */ | |
449 | .matches = { | |
450 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
451 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), | |
452 | }, | |
453 | }, | |
b42c9097 TM |
454 | { |
455 | /* Newer HP Pavilion dv4 models */ | |
456 | .matches = { | |
457 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
458 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), | |
459 | }, | |
460 | }, | |
1da177e4 LT |
461 | { } |
462 | }; | |
463 | ||
f909b1df | 464 | static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = { |
7c46e236 | 465 | { |
f909b1df | 466 | /* MSI Wind U-100 */ |
7c46e236 AV |
467 | .matches = { |
468 | DMI_MATCH(DMI_BOARD_NAME, "U-100"), | |
469 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), | |
470 | }, | |
471 | }, | |
472 | { | |
f909b1df | 473 | /* LG Electronics X110 */ |
7c46e236 AV |
474 | .matches = { |
475 | DMI_MATCH(DMI_BOARD_NAME, "X110"), | |
476 | DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."), | |
477 | }, | |
478 | }, | |
9230ccb1 | 479 | { |
f909b1df | 480 | /* Acer Aspire One 150 */ |
9230ccb1 YL |
481 | .matches = { |
482 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
483 | DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"), | |
484 | }, | |
485 | }, | |
486 | { | |
f909b1df | 487 | /* Advent 4211 */ |
9230ccb1 YL |
488 | .matches = { |
489 | DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"), | |
490 | DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"), | |
491 | }, | |
492 | }, | |
493 | { | |
f909b1df | 494 | /* Medion Akoya Mini E1210 */ |
9230ccb1 YL |
495 | .matches = { |
496 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
497 | DMI_MATCH(DMI_PRODUCT_NAME, "E1210"), | |
498 | }, | |
499 | }, | |
31968ecf CF |
500 | { |
501 | /* Medion Akoya E1222 */ | |
502 | .matches = { | |
503 | DMI_MATCH(DMI_SYS_VENDOR, "MEDION"), | |
504 | DMI_MATCH(DMI_PRODUCT_NAME, "E122X"), | |
505 | }, | |
506 | }, | |
9230ccb1 | 507 | { |
f909b1df | 508 | /* Mivvy M310 */ |
9230ccb1 YL |
509 | .matches = { |
510 | DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"), | |
511 | DMI_MATCH(DMI_PRODUCT_NAME, "N10"), | |
512 | }, | |
513 | }, | |
049e2d13 | 514 | { |
f909b1df | 515 | /* Dell Vostro 1320 */ |
049e2d13 AA |
516 | .matches = { |
517 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
518 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"), | |
519 | }, | |
520 | }, | |
521 | { | |
f909b1df | 522 | /* Dell Vostro 1520 */ |
049e2d13 AA |
523 | .matches = { |
524 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
525 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"), | |
526 | }, | |
527 | }, | |
528 | { | |
f909b1df | 529 | /* Dell Vostro 1720 */ |
049e2d13 AA |
530 | .matches = { |
531 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
532 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"), | |
533 | }, | |
534 | }, | |
82b982c9 IM |
535 | { |
536 | /* Lenovo Ideapad U455 */ | |
537 | .matches = { | |
538 | DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"), | |
539 | DMI_MATCH(DMI_PRODUCT_NAME, "20046"), | |
540 | }, | |
541 | }, | |
7c46e236 AV |
542 | { } |
543 | }; | |
544 | ||
c3a34f43 | 545 | #ifdef CONFIG_PNP |
f909b1df | 546 | static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = { |
c3a34f43 | 547 | { |
f909b1df | 548 | /* Intel MBO Desktop D845PESV */ |
c3a34f43 JK |
549 | .matches = { |
550 | DMI_MATCH(DMI_BOARD_NAME, "D845PESV"), | |
551 | DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"), | |
552 | }, | |
553 | }, | |
7c46e236 | 554 | { |
f909b1df | 555 | /* MSI Wind U-100 */ |
7c46e236 AV |
556 | .matches = { |
557 | DMI_MATCH(DMI_BOARD_NAME, "U-100"), | |
558 | DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"), | |
559 | }, | |
560 | }, | |
c3a34f43 JK |
561 | { } |
562 | }; | |
1c7827ae | 563 | |
f909b1df | 564 | static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = { |
1c7827ae | 565 | { |
1c7827ae DT |
566 | .matches = { |
567 | DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */ | |
568 | }, | |
569 | }, | |
570 | { | |
1c7827ae DT |
571 | .matches = { |
572 | DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */ | |
573 | }, | |
574 | }, | |
575 | { | |
1c7827ae DT |
576 | .matches = { |
577 | DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */ | |
578 | }, | |
579 | }, | |
580 | { | |
1c7827ae DT |
581 | .matches = { |
582 | DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */ | |
583 | }, | |
584 | }, | |
585 | { } | |
586 | }; | |
1da177e4 LT |
587 | #endif |
588 | ||
f8313ef1 JK |
589 | static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = { |
590 | { | |
591 | /* Dell Vostro V13 */ | |
592 | .matches = { | |
593 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
594 | DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"), | |
595 | }, | |
596 | }, | |
b42c9097 TM |
597 | { |
598 | /* Newer HP Pavilion dv4 models */ | |
599 | .matches = { | |
600 | DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"), | |
601 | DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"), | |
602 | }, | |
603 | }, | |
f8313ef1 JK |
604 | { } |
605 | }; | |
606 | ||
8987fec0 CC |
607 | /* |
608 | * Some Wistron based laptops need us to explicitly enable the 'Dritek | |
609 | * keyboard extension' to make their extra keys start generating scancodes. | |
610 | * Originally, this was just confined to older laptops, but a few Acer laptops | |
611 | * have turned up in 2007 that also need this again. | |
612 | */ | |
f909b1df | 613 | static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = { |
a06a09c8 PR |
614 | { |
615 | /* Acer Aspire 5100 */ | |
616 | .matches = { | |
617 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
618 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"), | |
619 | }, | |
620 | }, | |
e6edbdc5 ESA |
621 | { |
622 | /* Acer Aspire 5610 */ | |
623 | .matches = { | |
624 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
625 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"), | |
626 | }, | |
627 | }, | |
8987fec0 | 628 | { |
f909b1df | 629 | /* Acer Aspire 5630 */ |
8987fec0 CC |
630 | .matches = { |
631 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
632 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"), | |
633 | }, | |
634 | }, | |
635 | { | |
f909b1df | 636 | /* Acer Aspire 5650 */ |
8987fec0 CC |
637 | .matches = { |
638 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
639 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"), | |
640 | }, | |
641 | }, | |
642 | { | |
f909b1df | 643 | /* Acer Aspire 5680 */ |
8987fec0 CC |
644 | .matches = { |
645 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
646 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"), | |
647 | }, | |
648 | }, | |
0e7e92fa | 649 | { |
f909b1df | 650 | /* Acer Aspire 5720 */ |
0e7e92fa CC |
651 | .matches = { |
652 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
653 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"), | |
654 | }, | |
655 | }, | |
5799ddb5 | 656 | { |
f909b1df | 657 | /* Acer Aspire 9110 */ |
5799ddb5 CC |
658 | .matches = { |
659 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
660 | DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"), | |
661 | }, | |
662 | }, | |
65e660aa | 663 | { |
f909b1df | 664 | /* Acer TravelMate 660 */ |
65e660aa BP |
665 | .matches = { |
666 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
667 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"), | |
668 | }, | |
669 | }, | |
8987fec0 | 670 | { |
f909b1df | 671 | /* Acer TravelMate 2490 */ |
8987fec0 CC |
672 | .matches = { |
673 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
674 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"), | |
675 | }, | |
676 | }, | |
8e4ae101 | 677 | { |
f909b1df | 678 | /* Acer TravelMate 4280 */ |
8e4ae101 CC |
679 | .matches = { |
680 | DMI_MATCH(DMI_SYS_VENDOR, "Acer"), | |
681 | DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"), | |
682 | }, | |
683 | }, | |
8987fec0 CC |
684 | { } |
685 | }; | |
686 | ||
687 | #endif /* CONFIG_X86 */ | |
688 | ||
1da177e4 LT |
689 | #ifdef CONFIG_PNP |
690 | #include <linux/pnp.h> | |
691 | ||
386b3849 | 692 | static bool i8042_pnp_kbd_registered; |
2bfc3c6e | 693 | static unsigned int i8042_pnp_kbd_devices; |
386b3849 | 694 | static bool i8042_pnp_aux_registered; |
2bfc3c6e | 695 | static unsigned int i8042_pnp_aux_devices; |
1da177e4 LT |
696 | |
697 | static int i8042_pnp_command_reg; | |
698 | static int i8042_pnp_data_reg; | |
699 | static int i8042_pnp_kbd_irq; | |
700 | static int i8042_pnp_aux_irq; | |
701 | ||
702 | static char i8042_pnp_kbd_name[32]; | |
703 | static char i8042_pnp_aux_name[32]; | |
704 | ||
705 | static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did) | |
706 | { | |
707 | if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) | |
708 | i8042_pnp_data_reg = pnp_port_start(dev,0); | |
709 | ||
710 | if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1) | |
711 | i8042_pnp_command_reg = pnp_port_start(dev, 1); | |
712 | ||
713 | if (pnp_irq_valid(dev,0)) | |
714 | i8042_pnp_kbd_irq = pnp_irq(dev, 0); | |
715 | ||
8c6deb9c | 716 | strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name)); |
1da177e4 | 717 | if (strlen(pnp_dev_name(dev))) { |
8c6deb9c RK |
718 | strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name)); |
719 | strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name)); | |
1da177e4 LT |
720 | } |
721 | ||
3e6e15a8 AS |
722 | /* Keyboard ports are always supposed to be wakeup-enabled */ |
723 | device_set_wakeup_enable(&dev->dev, true); | |
724 | ||
2bfc3c6e | 725 | i8042_pnp_kbd_devices++; |
1da177e4 LT |
726 | return 0; |
727 | } | |
728 | ||
729 | static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did) | |
730 | { | |
731 | if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1) | |
732 | i8042_pnp_data_reg = pnp_port_start(dev,0); | |
733 | ||
734 | if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1) | |
735 | i8042_pnp_command_reg = pnp_port_start(dev, 1); | |
736 | ||
737 | if (pnp_irq_valid(dev, 0)) | |
738 | i8042_pnp_aux_irq = pnp_irq(dev, 0); | |
739 | ||
8c6deb9c | 740 | strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name)); |
1da177e4 | 741 | if (strlen(pnp_dev_name(dev))) { |
8c6deb9c RK |
742 | strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name)); |
743 | strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name)); | |
1da177e4 LT |
744 | } |
745 | ||
2bfc3c6e | 746 | i8042_pnp_aux_devices++; |
1da177e4 LT |
747 | return 0; |
748 | } | |
749 | ||
750 | static struct pnp_device_id pnp_kbd_devids[] = { | |
09fac079 MG |
751 | { .id = "PNP0300", .driver_data = 0 }, |
752 | { .id = "PNP0301", .driver_data = 0 }, | |
753 | { .id = "PNP0302", .driver_data = 0 }, | |
1da177e4 | 754 | { .id = "PNP0303", .driver_data = 0 }, |
09fac079 MG |
755 | { .id = "PNP0304", .driver_data = 0 }, |
756 | { .id = "PNP0305", .driver_data = 0 }, | |
757 | { .id = "PNP0306", .driver_data = 0 }, | |
758 | { .id = "PNP0309", .driver_data = 0 }, | |
759 | { .id = "PNP030a", .driver_data = 0 }, | |
1da177e4 | 760 | { .id = "PNP030b", .driver_data = 0 }, |
09fac079 MG |
761 | { .id = "PNP0320", .driver_data = 0 }, |
762 | { .id = "PNP0343", .driver_data = 0 }, | |
763 | { .id = "PNP0344", .driver_data = 0 }, | |
764 | { .id = "PNP0345", .driver_data = 0 }, | |
765 | { .id = "CPQA0D7", .driver_data = 0 }, | |
1da177e4 LT |
766 | { .id = "", }, |
767 | }; | |
78551277 | 768 | MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids); |
1da177e4 LT |
769 | |
770 | static struct pnp_driver i8042_pnp_kbd_driver = { | |
771 | .name = "i8042 kbd", | |
772 | .id_table = pnp_kbd_devids, | |
773 | .probe = i8042_pnp_kbd_probe, | |
774 | }; | |
775 | ||
776 | static struct pnp_device_id pnp_aux_devids[] = { | |
dba06b83 | 777 | { .id = "AUI0200", .driver_data = 0 }, |
b9973954 DT |
778 | { .id = "FJC6000", .driver_data = 0 }, |
779 | { .id = "FJC6001", .driver_data = 0 }, | |
1da177e4 LT |
780 | { .id = "PNP0f03", .driver_data = 0 }, |
781 | { .id = "PNP0f0b", .driver_data = 0 }, | |
782 | { .id = "PNP0f0e", .driver_data = 0 }, | |
783 | { .id = "PNP0f12", .driver_data = 0 }, | |
784 | { .id = "PNP0f13", .driver_data = 0 }, | |
785 | { .id = "PNP0f19", .driver_data = 0 }, | |
786 | { .id = "PNP0f1c", .driver_data = 0 }, | |
787 | { .id = "SYN0801", .driver_data = 0 }, | |
788 | { .id = "", }, | |
789 | }; | |
78551277 | 790 | MODULE_DEVICE_TABLE(pnp, pnp_aux_devids); |
1da177e4 LT |
791 | |
792 | static struct pnp_driver i8042_pnp_aux_driver = { | |
793 | .name = "i8042 aux", | |
794 | .id_table = pnp_aux_devids, | |
795 | .probe = i8042_pnp_aux_probe, | |
796 | }; | |
797 | ||
798 | static void i8042_pnp_exit(void) | |
799 | { | |
74af42bb | 800 | if (i8042_pnp_kbd_registered) { |
386b3849 | 801 | i8042_pnp_kbd_registered = false; |
1da177e4 | 802 | pnp_unregister_driver(&i8042_pnp_kbd_driver); |
74af42bb | 803 | } |
1da177e4 | 804 | |
74af42bb | 805 | if (i8042_pnp_aux_registered) { |
386b3849 | 806 | i8042_pnp_aux_registered = false; |
1da177e4 | 807 | pnp_unregister_driver(&i8042_pnp_aux_driver); |
74af42bb | 808 | } |
1da177e4 LT |
809 | } |
810 | ||
8d5987a6 | 811 | static int __init i8042_pnp_init(void) |
1da177e4 | 812 | { |
c3d31e7f | 813 | char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 }; |
7dcc9c23 | 814 | bool pnp_data_busted = false; |
2bfc3c6e | 815 | int err; |
1da177e4 | 816 | |
c3a34f43 JK |
817 | #ifdef CONFIG_X86 |
818 | if (dmi_check_system(i8042_dmi_nopnp_table)) | |
386b3849 | 819 | i8042_nopnp = true; |
c3a34f43 JK |
820 | #endif |
821 | ||
1da177e4 | 822 | if (i8042_nopnp) { |
4eb3c30b | 823 | pr_info("PNP detection disabled\n"); |
1da177e4 LT |
824 | return 0; |
825 | } | |
826 | ||
2bfc3c6e BH |
827 | err = pnp_register_driver(&i8042_pnp_kbd_driver); |
828 | if (!err) | |
386b3849 | 829 | i8042_pnp_kbd_registered = true; |
c3d31e7f | 830 | |
2bfc3c6e BH |
831 | err = pnp_register_driver(&i8042_pnp_aux_driver); |
832 | if (!err) | |
386b3849 | 833 | i8042_pnp_aux_registered = true; |
1da177e4 | 834 | |
2bfc3c6e | 835 | if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) { |
1da177e4 LT |
836 | i8042_pnp_exit(); |
837 | #if defined(__ia64__) | |
838 | return -ENODEV; | |
839 | #else | |
4eb3c30b | 840 | pr_info("PNP: No PS/2 controller found. Probing ports directly.\n"); |
1da177e4 LT |
841 | return 0; |
842 | #endif | |
843 | } | |
844 | ||
2bfc3c6e | 845 | if (i8042_pnp_kbd_devices) |
c3d31e7f DT |
846 | snprintf(kbd_irq_str, sizeof(kbd_irq_str), |
847 | "%d", i8042_pnp_kbd_irq); | |
2bfc3c6e | 848 | if (i8042_pnp_aux_devices) |
c3d31e7f DT |
849 | snprintf(aux_irq_str, sizeof(aux_irq_str), |
850 | "%d", i8042_pnp_aux_irq); | |
851 | ||
4eb3c30b | 852 | pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n", |
2bfc3c6e | 853 | i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", |
c3d31e7f DT |
854 | i8042_pnp_aux_name, |
855 | i8042_pnp_data_reg, i8042_pnp_command_reg, | |
2bfc3c6e | 856 | kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "", |
c3d31e7f DT |
857 | aux_irq_str); |
858 | ||
859 | #if defined(__ia64__) | |
2bfc3c6e | 860 | if (!i8042_pnp_kbd_devices) |
386b3849 | 861 | i8042_nokbd = true; |
2bfc3c6e | 862 | if (!i8042_pnp_aux_devices) |
386b3849 | 863 | i8042_noaux = true; |
c3d31e7f DT |
864 | #endif |
865 | ||
1da177e4 | 866 | if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) && |
080c652d DT |
867 | i8042_pnp_data_reg != i8042_data_reg) || |
868 | !i8042_pnp_data_reg) { | |
4eb3c30b | 869 | pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n", |
1da177e4 LT |
870 | i8042_pnp_data_reg, i8042_data_reg); |
871 | i8042_pnp_data_reg = i8042_data_reg; | |
386b3849 | 872 | pnp_data_busted = true; |
1da177e4 LT |
873 | } |
874 | ||
875 | if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) && | |
080c652d DT |
876 | i8042_pnp_command_reg != i8042_command_reg) || |
877 | !i8042_pnp_command_reg) { | |
4eb3c30b | 878 | pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n", |
1da177e4 LT |
879 | i8042_pnp_command_reg, i8042_command_reg); |
880 | i8042_pnp_command_reg = i8042_command_reg; | |
386b3849 | 881 | pnp_data_busted = true; |
1da177e4 LT |
882 | } |
883 | ||
945ef0d4 | 884 | if (!i8042_nokbd && !i8042_pnp_kbd_irq) { |
4eb3c30b JP |
885 | pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n", |
886 | i8042_kbd_irq); | |
1da177e4 | 887 | i8042_pnp_kbd_irq = i8042_kbd_irq; |
386b3849 | 888 | pnp_data_busted = true; |
1da177e4 LT |
889 | } |
890 | ||
c3d31e7f | 891 | if (!i8042_noaux && !i8042_pnp_aux_irq) { |
080c652d | 892 | if (!pnp_data_busted && i8042_pnp_kbd_irq) { |
4eb3c30b JP |
893 | pr_warn("PNP: PS/2 appears to have AUX port disabled, " |
894 | "if this is incorrect please boot with i8042.nopnp\n"); | |
386b3849 | 895 | i8042_noaux = true; |
080c652d | 896 | } else { |
4eb3c30b JP |
897 | pr_warn("PNP: PS/2 controller doesn't have AUX irq; using default %d\n", |
898 | i8042_aux_irq); | |
080c652d DT |
899 | i8042_pnp_aux_irq = i8042_aux_irq; |
900 | } | |
1da177e4 LT |
901 | } |
902 | ||
1da177e4 LT |
903 | i8042_data_reg = i8042_pnp_data_reg; |
904 | i8042_command_reg = i8042_pnp_command_reg; | |
905 | i8042_kbd_irq = i8042_pnp_kbd_irq; | |
906 | i8042_aux_irq = i8042_pnp_aux_irq; | |
907 | ||
1c7827ae DT |
908 | #ifdef CONFIG_X86 |
909 | i8042_bypass_aux_irq_test = !pnp_data_busted && | |
910 | dmi_check_system(i8042_dmi_laptop_table); | |
911 | #endif | |
912 | ||
1da177e4 LT |
913 | return 0; |
914 | } | |
915 | ||
8d5987a6 DT |
916 | #else |
917 | static inline int i8042_pnp_init(void) { return 0; } | |
918 | static inline void i8042_pnp_exit(void) { } | |
1da177e4 LT |
919 | #endif |
920 | ||
8d5987a6 | 921 | static int __init i8042_platform_init(void) |
1da177e4 | 922 | { |
8d5987a6 DT |
923 | int retval; |
924 | ||
5cdfa1c3 | 925 | #ifdef CONFIG_X86 |
ad686524 | 926 | u8 a20_on = 0xdf; |
5cdfa1c3 FT |
927 | /* Just return if pre-detection shows no i8042 controller exist */ |
928 | if (!x86_platform.i8042_detect()) | |
929 | return -ENODEV; | |
930 | #endif | |
931 | ||
1da177e4 LT |
932 | /* |
933 | * On ix86 platforms touching the i8042 data register region can do really | |
934 | * bad things. Because of this the region is always reserved on ix86 boxes. | |
935 | * | |
936 | * if (!request_region(I8042_DATA_REG, 16, "i8042")) | |
8d5987a6 | 937 | * return -EBUSY; |
1da177e4 LT |
938 | */ |
939 | ||
940 | i8042_kbd_irq = I8042_MAP_IRQ(1); | |
941 | i8042_aux_irq = I8042_MAP_IRQ(12); | |
942 | ||
8d5987a6 DT |
943 | retval = i8042_pnp_init(); |
944 | if (retval) | |
945 | return retval; | |
1da177e4 LT |
946 | |
947 | #if defined(__ia64__) | |
386b3849 | 948 | i8042_reset = true; |
1da177e4 LT |
949 | #endif |
950 | ||
c3a34f43 | 951 | #ifdef CONFIG_X86 |
7c46e236 | 952 | if (dmi_check_system(i8042_dmi_reset_table)) |
386b3849 | 953 | i8042_reset = true; |
7c46e236 | 954 | |
1da177e4 | 955 | if (dmi_check_system(i8042_dmi_noloop_table)) |
386b3849 | 956 | i8042_noloop = true; |
1da177e4 LT |
957 | |
958 | if (dmi_check_system(i8042_dmi_nomux_table)) | |
386b3849 | 959 | i8042_nomux = true; |
1da177e4 | 960 | |
f8313ef1 JK |
961 | if (dmi_check_system(i8042_dmi_notimeout_table)) |
962 | i8042_notimeout = true; | |
963 | ||
8987fec0 | 964 | if (dmi_check_system(i8042_dmi_dritek_table)) |
386b3849 | 965 | i8042_dritek = true; |
ad686524 OZ |
966 | |
967 | /* | |
968 | * A20 was already enabled during early kernel init. But some buggy | |
969 | * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to | |
970 | * resume from S3. So we do it here and hope that nothing breaks. | |
971 | */ | |
972 | i8042_command(&a20_on, 0x10d1); | |
973 | i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */ | |
8987fec0 CC |
974 | #endif /* CONFIG_X86 */ |
975 | ||
8d5987a6 | 976 | return retval; |
1da177e4 LT |
977 | } |
978 | ||
979 | static inline void i8042_platform_exit(void) | |
980 | { | |
1da177e4 | 981 | i8042_pnp_exit(); |
1da177e4 LT |
982 | } |
983 | ||
984 | #endif /* _I8042_X86IA64IO_H */ |