i8042-x86ia64io.h 29 KB

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  1. #ifndef _I8042_X86IA64IO_H
  2. #define _I8042_X86IA64IO_H
  3. /*
  4. * This program is free software; you can redistribute it and/or modify it
  5. * under the terms of the GNU General Public License version 2 as published by
  6. * the Free Software Foundation.
  7. */
  8. #ifdef CONFIG_X86
  9. #include <asm/x86_init.h>
  10. #endif
  11. /*
  12. * Names.
  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. * IRQs.
  19. */
  20. #if defined(__ia64__)
  21. # define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
  22. #else
  23. # define I8042_MAP_IRQ(x) (x)
  24. #endif
  25. #define I8042_KBD_IRQ i8042_kbd_irq
  26. #define I8042_AUX_IRQ i8042_aux_irq
  27. static int i8042_kbd_irq;
  28. static int i8042_aux_irq;
  29. /*
  30. * Register numbers.
  31. */
  32. #define I8042_COMMAND_REG i8042_command_reg
  33. #define I8042_STATUS_REG i8042_command_reg
  34. #define I8042_DATA_REG i8042_data_reg
  35. static int i8042_command_reg = 0x64;
  36. static int i8042_data_reg = 0x60;
  37. static inline int i8042_read_data(void)
  38. {
  39. return inb(I8042_DATA_REG);
  40. }
  41. static inline int i8042_read_status(void)
  42. {
  43. return inb(I8042_STATUS_REG);
  44. }
  45. static inline void i8042_write_data(int val)
  46. {
  47. outb(val, I8042_DATA_REG);
  48. }
  49. static inline void i8042_write_command(int val)
  50. {
  51. outb(val, I8042_COMMAND_REG);
  52. }
  53. #ifdef CONFIG_X86
  54. #include <linux/dmi.h>
  55. static const struct dmi_system_id __initconst i8042_dmi_noloop_table[] = {
  56. {
  57. /*
  58. * Arima-Rioworks HDAMB -
  59. * AUX LOOP command does not raise AUX IRQ
  60. */
  61. .matches = {
  62. DMI_MATCH(DMI_BOARD_VENDOR, "RIOWORKS"),
  63. DMI_MATCH(DMI_BOARD_NAME, "HDAMB"),
  64. DMI_MATCH(DMI_BOARD_VERSION, "Rev E"),
  65. },
  66. },
  67. {
  68. /* ASUS G1S */
  69. .matches = {
  70. DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer Inc."),
  71. DMI_MATCH(DMI_BOARD_NAME, "G1S"),
  72. DMI_MATCH(DMI_BOARD_VERSION, "1.0"),
  73. },
  74. },
  75. {
  76. /* ASUS P65UP5 - AUX LOOP command does not raise AUX IRQ */
  77. .matches = {
  78. DMI_MATCH(DMI_BOARD_VENDOR, "ASUSTeK Computer INC."),
  79. DMI_MATCH(DMI_BOARD_NAME, "P/I-P65UP5"),
  80. DMI_MATCH(DMI_BOARD_VERSION, "REV 2.X"),
  81. },
  82. },
  83. {
  84. .matches = {
  85. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  86. DMI_MATCH(DMI_PRODUCT_NAME, "X750LN"),
  87. },
  88. },
  89. {
  90. .matches = {
  91. DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  92. DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  93. DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
  94. },
  95. },
  96. {
  97. .matches = {
  98. DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  99. DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  100. DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
  101. },
  102. },
  103. {
  104. /* Dell Embedded Box PC 3000 */
  105. .matches = {
  106. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  107. DMI_MATCH(DMI_PRODUCT_NAME, "Embedded Box PC 3000"),
  108. },
  109. },
  110. {
  111. /* OQO Model 01 */
  112. .matches = {
  113. DMI_MATCH(DMI_SYS_VENDOR, "OQO"),
  114. DMI_MATCH(DMI_PRODUCT_NAME, "ZEPTO"),
  115. DMI_MATCH(DMI_PRODUCT_VERSION, "00"),
  116. },
  117. },
  118. {
  119. /* ULI EV4873 - AUX LOOP does not work properly */
  120. .matches = {
  121. DMI_MATCH(DMI_SYS_VENDOR, "ULI"),
  122. DMI_MATCH(DMI_PRODUCT_NAME, "EV4873"),
  123. DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
  124. },
  125. },
  126. {
  127. /* Microsoft Virtual Machine */
  128. .matches = {
  129. DMI_MATCH(DMI_SYS_VENDOR, "Microsoft Corporation"),
  130. DMI_MATCH(DMI_PRODUCT_NAME, "Virtual Machine"),
  131. DMI_MATCH(DMI_PRODUCT_VERSION, "VS2005R2"),
  132. },
  133. },
  134. {
  135. /* Medion MAM 2070 */
  136. .matches = {
  137. DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
  138. DMI_MATCH(DMI_PRODUCT_NAME, "MAM 2070"),
  139. DMI_MATCH(DMI_PRODUCT_VERSION, "5a"),
  140. },
  141. },
  142. {
  143. /* Medion Akoya E7225 */
  144. .matches = {
  145. DMI_MATCH(DMI_SYS_VENDOR, "Medion"),
  146. DMI_MATCH(DMI_PRODUCT_NAME, "Akoya E7225"),
  147. DMI_MATCH(DMI_PRODUCT_VERSION, "1.0"),
  148. },
  149. },
  150. {
  151. /* Blue FB5601 */
  152. .matches = {
  153. DMI_MATCH(DMI_SYS_VENDOR, "blue"),
  154. DMI_MATCH(DMI_PRODUCT_NAME, "FB5601"),
  155. DMI_MATCH(DMI_PRODUCT_VERSION, "M606"),
  156. },
  157. },
  158. {
  159. /* Gigabyte M912 */
  160. .matches = {
  161. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  162. DMI_MATCH(DMI_PRODUCT_NAME, "M912"),
  163. DMI_MATCH(DMI_PRODUCT_VERSION, "01"),
  164. },
  165. },
  166. {
  167. /* Gigabyte M1022M netbook */
  168. .matches = {
  169. DMI_MATCH(DMI_BOARD_VENDOR, "Gigabyte Technology Co.,Ltd."),
  170. DMI_MATCH(DMI_BOARD_NAME, "M1022E"),
  171. DMI_MATCH(DMI_BOARD_VERSION, "1.02"),
  172. },
  173. },
  174. {
  175. /* Gigabyte Spring Peak - defines wrong chassis type */
  176. .matches = {
  177. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  178. DMI_MATCH(DMI_PRODUCT_NAME, "Spring Peak"),
  179. },
  180. },
  181. {
  182. /* Gigabyte T1005 - defines wrong chassis type ("Other") */
  183. .matches = {
  184. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  185. DMI_MATCH(DMI_PRODUCT_NAME, "T1005"),
  186. },
  187. },
  188. {
  189. /* Gigabyte T1005M/P - defines wrong chassis type ("Other") */
  190. .matches = {
  191. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  192. DMI_MATCH(DMI_PRODUCT_NAME, "T1005M/P"),
  193. },
  194. },
  195. {
  196. .matches = {
  197. DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
  198. DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv9700"),
  199. DMI_MATCH(DMI_PRODUCT_VERSION, "Rev 1"),
  200. },
  201. },
  202. {
  203. .matches = {
  204. DMI_MATCH(DMI_SYS_VENDOR, "PEGATRON CORPORATION"),
  205. DMI_MATCH(DMI_PRODUCT_NAME, "C15B"),
  206. },
  207. },
  208. { }
  209. };
  210. /*
  211. * Some Fujitsu notebooks are having trouble with touchpads if
  212. * active multiplexing mode is activated. Luckily they don't have
  213. * external PS/2 ports so we can safely disable it.
  214. * ... apparently some Toshibas don't like MUX mode either and
  215. * die horrible death on reboot.
  216. */
  217. static const struct dmi_system_id __initconst i8042_dmi_nomux_table[] = {
  218. {
  219. /* Fujitsu Lifebook P7010/P7010D */
  220. .matches = {
  221. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  222. DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
  223. },
  224. },
  225. {
  226. /* Fujitsu Lifebook P7010 */
  227. .matches = {
  228. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  229. DMI_MATCH(DMI_PRODUCT_NAME, "0000000000"),
  230. },
  231. },
  232. {
  233. /* Fujitsu Lifebook P5020D */
  234. .matches = {
  235. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  236. DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
  237. },
  238. },
  239. {
  240. /* Fujitsu Lifebook S2000 */
  241. .matches = {
  242. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  243. DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
  244. },
  245. },
  246. {
  247. /* Fujitsu Lifebook S6230 */
  248. .matches = {
  249. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  250. DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
  251. },
  252. },
  253. {
  254. /* Fujitsu Lifebook U745 */
  255. .matches = {
  256. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  257. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U745"),
  258. },
  259. },
  260. {
  261. /* Fujitsu T70H */
  262. .matches = {
  263. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  264. DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
  265. },
  266. },
  267. {
  268. /* Fujitsu-Siemens Lifebook T3010 */
  269. .matches = {
  270. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  271. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
  272. },
  273. },
  274. {
  275. /* Fujitsu-Siemens Lifebook E4010 */
  276. .matches = {
  277. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  278. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
  279. },
  280. },
  281. {
  282. /* Fujitsu-Siemens Amilo Pro 2010 */
  283. .matches = {
  284. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  285. DMI_MATCH(DMI_PRODUCT_NAME, "AMILO Pro V2010"),
  286. },
  287. },
  288. {
  289. /* Fujitsu-Siemens Amilo Pro 2030 */
  290. .matches = {
  291. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  292. DMI_MATCH(DMI_PRODUCT_NAME, "AMILO PRO V2030"),
  293. },
  294. },
  295. {
  296. /*
  297. * No data is coming from the touchscreen unless KBC
  298. * is in legacy mode.
  299. */
  300. /* Panasonic CF-29 */
  301. .matches = {
  302. DMI_MATCH(DMI_SYS_VENDOR, "Matsushita"),
  303. DMI_MATCH(DMI_PRODUCT_NAME, "CF-29"),
  304. },
  305. },
  306. {
  307. /*
  308. * HP Pavilion DV4017EA -
  309. * errors on MUX ports are reported without raising AUXDATA
  310. * causing "spurious NAK" messages.
  311. */
  312. .matches = {
  313. DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
  314. DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EA032EA#ABF)"),
  315. },
  316. },
  317. {
  318. /*
  319. * HP Pavilion ZT1000 -
  320. * like DV4017EA does not raise AUXERR for errors on MUX ports.
  321. */
  322. .matches = {
  323. DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
  324. DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion Notebook PC"),
  325. DMI_MATCH(DMI_PRODUCT_VERSION, "HP Pavilion Notebook ZT1000"),
  326. },
  327. },
  328. {
  329. /*
  330. * HP Pavilion DV4270ca -
  331. * like DV4017EA does not raise AUXERR for errors on MUX ports.
  332. */
  333. .matches = {
  334. DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
  335. DMI_MATCH(DMI_PRODUCT_NAME, "Pavilion dv4000 (EH476UA#ABL)"),
  336. },
  337. },
  338. {
  339. .matches = {
  340. DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
  341. DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
  342. },
  343. },
  344. {
  345. .matches = {
  346. DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
  347. DMI_MATCH(DMI_PRODUCT_NAME, "EQUIUM A110"),
  348. },
  349. },
  350. {
  351. .matches = {
  352. DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
  353. DMI_MATCH(DMI_PRODUCT_NAME, "SATELLITE C850D"),
  354. },
  355. },
  356. {
  357. .matches = {
  358. DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
  359. DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
  360. },
  361. },
  362. {
  363. /* Sharp Actius MM20 */
  364. .matches = {
  365. DMI_MATCH(DMI_SYS_VENDOR, "SHARP"),
  366. DMI_MATCH(DMI_PRODUCT_NAME, "PC-MM20 Series"),
  367. },
  368. },
  369. {
  370. /* Sony Vaio FS-115b */
  371. .matches = {
  372. DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
  373. DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FS115B"),
  374. },
  375. },
  376. {
  377. /*
  378. * Sony Vaio FZ-240E -
  379. * reset and GET ID commands issued via KBD port are
  380. * sometimes being delivered to AUX3.
  381. */
  382. .matches = {
  383. DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
  384. DMI_MATCH(DMI_PRODUCT_NAME, "VGN-FZ240E"),
  385. },
  386. },
  387. {
  388. /*
  389. * Most (all?) VAIOs do not have external PS/2 ports nor
  390. * they implement active multiplexing properly, and
  391. * MUX discovery usually messes up keyboard/touchpad.
  392. */
  393. .matches = {
  394. DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
  395. DMI_MATCH(DMI_BOARD_NAME, "VAIO"),
  396. },
  397. },
  398. {
  399. /* Amoi M636/A737 */
  400. .matches = {
  401. DMI_MATCH(DMI_SYS_VENDOR, "Amoi Electronics CO.,LTD."),
  402. DMI_MATCH(DMI_PRODUCT_NAME, "M636/A737 platform"),
  403. },
  404. },
  405. {
  406. /* Lenovo 3000 n100 */
  407. .matches = {
  408. DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
  409. DMI_MATCH(DMI_PRODUCT_NAME, "076804U"),
  410. },
  411. },
  412. {
  413. .matches = {
  414. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  415. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 1360"),
  416. },
  417. },
  418. {
  419. /* Acer Aspire 5710 */
  420. .matches = {
  421. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  422. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5710"),
  423. },
  424. },
  425. {
  426. /* Acer Aspire 7738 */
  427. .matches = {
  428. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  429. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 7738"),
  430. },
  431. },
  432. {
  433. /* Gericom Bellagio */
  434. .matches = {
  435. DMI_MATCH(DMI_SYS_VENDOR, "Gericom"),
  436. DMI_MATCH(DMI_PRODUCT_NAME, "N34AS6"),
  437. },
  438. },
  439. {
  440. /* IBM 2656 */
  441. .matches = {
  442. DMI_MATCH(DMI_SYS_VENDOR, "IBM"),
  443. DMI_MATCH(DMI_PRODUCT_NAME, "2656"),
  444. },
  445. },
  446. {
  447. /* Dell XPS M1530 */
  448. .matches = {
  449. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  450. DMI_MATCH(DMI_PRODUCT_NAME, "XPS M1530"),
  451. },
  452. },
  453. {
  454. /* Compal HEL80I */
  455. .matches = {
  456. DMI_MATCH(DMI_SYS_VENDOR, "COMPAL"),
  457. DMI_MATCH(DMI_PRODUCT_NAME, "HEL80I"),
  458. },
  459. },
  460. {
  461. /* Dell Vostro 1510 */
  462. .matches = {
  463. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  464. DMI_MATCH(DMI_PRODUCT_NAME, "Vostro1510"),
  465. },
  466. },
  467. {
  468. /* Acer Aspire 5536 */
  469. .matches = {
  470. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  471. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5536"),
  472. DMI_MATCH(DMI_PRODUCT_VERSION, "0100"),
  473. },
  474. },
  475. {
  476. /* Dell Vostro V13 */
  477. .matches = {
  478. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  479. DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
  480. },
  481. },
  482. {
  483. /* Newer HP Pavilion dv4 models */
  484. .matches = {
  485. DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
  486. DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
  487. },
  488. },
  489. {
  490. /* Asus X450LCP */
  491. .matches = {
  492. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  493. DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
  494. },
  495. },
  496. {
  497. /* Avatar AVIU-145A6 */
  498. .matches = {
  499. DMI_MATCH(DMI_SYS_VENDOR, "Intel"),
  500. DMI_MATCH(DMI_PRODUCT_NAME, "IC4I"),
  501. },
  502. },
  503. {
  504. /* TUXEDO BU1406 */
  505. .matches = {
  506. DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
  507. DMI_MATCH(DMI_PRODUCT_NAME, "N24_25BU"),
  508. },
  509. },
  510. {
  511. /* Lenovo LaVie Z */
  512. .matches = {
  513. DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
  514. DMI_MATCH(DMI_PRODUCT_VERSION, "Lenovo LaVie Z"),
  515. },
  516. },
  517. { }
  518. };
  519. static const struct dmi_system_id i8042_dmi_forcemux_table[] __initconst = {
  520. {
  521. /*
  522. * Sony Vaio VGN-CS series require MUX or the touch sensor
  523. * buttons will disturb touchpad operation
  524. */
  525. .matches = {
  526. DMI_MATCH(DMI_SYS_VENDOR, "Sony Corporation"),
  527. DMI_MATCH(DMI_PRODUCT_NAME, "VGN-CS"),
  528. },
  529. },
  530. { }
  531. };
  532. /*
  533. * On some Asus laptops, just running self tests cause problems.
  534. */
  535. static const struct dmi_system_id i8042_dmi_noselftest_table[] = {
  536. {
  537. .matches = {
  538. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  539. DMI_MATCH(DMI_PRODUCT_NAME, "A455LD"),
  540. },
  541. },
  542. {
  543. .matches = {
  544. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  545. DMI_MATCH(DMI_PRODUCT_NAME, "K401LB"),
  546. },
  547. },
  548. {
  549. .matches = {
  550. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  551. DMI_MATCH(DMI_PRODUCT_NAME, "K501LB"),
  552. },
  553. },
  554. {
  555. .matches = {
  556. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  557. DMI_MATCH(DMI_PRODUCT_NAME, "K501LX"),
  558. },
  559. },
  560. {
  561. .matches = {
  562. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  563. DMI_MATCH(DMI_PRODUCT_NAME, "R409L"),
  564. },
  565. },
  566. {
  567. .matches = {
  568. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  569. DMI_MATCH(DMI_PRODUCT_NAME, "V502LX"),
  570. },
  571. },
  572. {
  573. .matches = {
  574. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  575. DMI_MATCH(DMI_PRODUCT_NAME, "X302LA"),
  576. },
  577. },
  578. {
  579. .matches = {
  580. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  581. DMI_MATCH(DMI_PRODUCT_NAME, "X450LCP"),
  582. },
  583. },
  584. {
  585. .matches = {
  586. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  587. DMI_MATCH(DMI_PRODUCT_NAME, "X450LD"),
  588. },
  589. },
  590. {
  591. .matches = {
  592. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  593. DMI_MATCH(DMI_PRODUCT_NAME, "X455LAB"),
  594. },
  595. },
  596. {
  597. .matches = {
  598. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  599. DMI_MATCH(DMI_PRODUCT_NAME, "X455LDB"),
  600. },
  601. },
  602. {
  603. .matches = {
  604. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  605. DMI_MATCH(DMI_PRODUCT_NAME, "X455LF"),
  606. },
  607. },
  608. {
  609. .matches = {
  610. DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."),
  611. DMI_MATCH(DMI_PRODUCT_NAME, "Z450LA"),
  612. },
  613. },
  614. { }
  615. };
  616. static const struct dmi_system_id __initconst i8042_dmi_reset_table[] = {
  617. {
  618. /* MSI Wind U-100 */
  619. .matches = {
  620. DMI_MATCH(DMI_BOARD_NAME, "U-100"),
  621. DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
  622. },
  623. },
  624. {
  625. /* LG Electronics X110 */
  626. .matches = {
  627. DMI_MATCH(DMI_BOARD_NAME, "X110"),
  628. DMI_MATCH(DMI_BOARD_VENDOR, "LG Electronics Inc."),
  629. },
  630. },
  631. {
  632. /* Acer Aspire One 150 */
  633. .matches = {
  634. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  635. DMI_MATCH(DMI_PRODUCT_NAME, "AOA150"),
  636. },
  637. },
  638. {
  639. /* Advent 4211 */
  640. .matches = {
  641. DMI_MATCH(DMI_SYS_VENDOR, "DIXONSXP"),
  642. DMI_MATCH(DMI_PRODUCT_NAME, "Advent 4211"),
  643. },
  644. },
  645. {
  646. /* Medion Akoya Mini E1210 */
  647. .matches = {
  648. DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
  649. DMI_MATCH(DMI_PRODUCT_NAME, "E1210"),
  650. },
  651. },
  652. {
  653. /* Medion Akoya E1222 */
  654. .matches = {
  655. DMI_MATCH(DMI_SYS_VENDOR, "MEDION"),
  656. DMI_MATCH(DMI_PRODUCT_NAME, "E122X"),
  657. },
  658. },
  659. {
  660. /* Mivvy M310 */
  661. .matches = {
  662. DMI_MATCH(DMI_SYS_VENDOR, "VIOOO"),
  663. DMI_MATCH(DMI_PRODUCT_NAME, "N10"),
  664. },
  665. },
  666. {
  667. /* Dell Vostro 1320 */
  668. .matches = {
  669. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  670. DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1320"),
  671. },
  672. },
  673. {
  674. /* Dell Vostro 1520 */
  675. .matches = {
  676. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  677. DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1520"),
  678. },
  679. },
  680. {
  681. /* Dell Vostro 1720 */
  682. .matches = {
  683. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  684. DMI_MATCH(DMI_PRODUCT_NAME, "Vostro 1720"),
  685. },
  686. },
  687. {
  688. /* Lenovo Ideapad U455 */
  689. .matches = {
  690. DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
  691. DMI_MATCH(DMI_PRODUCT_NAME, "20046"),
  692. },
  693. },
  694. {
  695. /* Lenovo ThinkPad L460 */
  696. .matches = {
  697. DMI_MATCH(DMI_SYS_VENDOR, "LENOVO"),
  698. DMI_MATCH(DMI_PRODUCT_VERSION, "ThinkPad L460"),
  699. },
  700. },
  701. {
  702. /* Clevo P650RS, 650RP6, Sager NP8152-S, and others */
  703. .matches = {
  704. DMI_MATCH(DMI_SYS_VENDOR, "Notebook"),
  705. DMI_MATCH(DMI_PRODUCT_NAME, "P65xRP"),
  706. },
  707. },
  708. { }
  709. };
  710. #ifdef CONFIG_PNP
  711. static const struct dmi_system_id __initconst i8042_dmi_nopnp_table[] = {
  712. {
  713. /* Intel MBO Desktop D845PESV */
  714. .matches = {
  715. DMI_MATCH(DMI_BOARD_NAME, "D845PESV"),
  716. DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
  717. },
  718. },
  719. {
  720. /*
  721. * Intel NUC D54250WYK - does not have i8042 controller but
  722. * declares PS/2 devices in DSDT.
  723. */
  724. .matches = {
  725. DMI_MATCH(DMI_BOARD_NAME, "D54250WYK"),
  726. DMI_MATCH(DMI_BOARD_VENDOR, "Intel Corporation"),
  727. },
  728. },
  729. {
  730. /* MSI Wind U-100 */
  731. .matches = {
  732. DMI_MATCH(DMI_BOARD_NAME, "U-100"),
  733. DMI_MATCH(DMI_BOARD_VENDOR, "MICRO-STAR INTERNATIONAL CO., LTD"),
  734. },
  735. },
  736. { }
  737. };
  738. static const struct dmi_system_id __initconst i8042_dmi_laptop_table[] = {
  739. {
  740. .matches = {
  741. DMI_MATCH(DMI_CHASSIS_TYPE, "8"), /* Portable */
  742. },
  743. },
  744. {
  745. .matches = {
  746. DMI_MATCH(DMI_CHASSIS_TYPE, "9"), /* Laptop */
  747. },
  748. },
  749. {
  750. .matches = {
  751. DMI_MATCH(DMI_CHASSIS_TYPE, "10"), /* Notebook */
  752. },
  753. },
  754. {
  755. .matches = {
  756. DMI_MATCH(DMI_CHASSIS_TYPE, "14"), /* Sub-Notebook */
  757. },
  758. },
  759. { }
  760. };
  761. #endif
  762. static const struct dmi_system_id __initconst i8042_dmi_notimeout_table[] = {
  763. {
  764. /* Dell Vostro V13 */
  765. .matches = {
  766. DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
  767. DMI_MATCH(DMI_PRODUCT_NAME, "Vostro V13"),
  768. },
  769. },
  770. {
  771. /* Newer HP Pavilion dv4 models */
  772. .matches = {
  773. DMI_MATCH(DMI_SYS_VENDOR, "Hewlett-Packard"),
  774. DMI_MATCH(DMI_PRODUCT_NAME, "HP Pavilion dv4 Notebook PC"),
  775. },
  776. },
  777. {
  778. /* Fujitsu A544 laptop */
  779. /* https://bugzilla.redhat.com/show_bug.cgi?id=1111138 */
  780. .matches = {
  781. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  782. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK A544"),
  783. },
  784. },
  785. {
  786. /* Fujitsu AH544 laptop */
  787. /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
  788. .matches = {
  789. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  790. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK AH544"),
  791. },
  792. },
  793. {
  794. /* Fujitsu U574 laptop */
  795. /* https://bugzilla.kernel.org/show_bug.cgi?id=69731 */
  796. .matches = {
  797. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  798. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK U574"),
  799. },
  800. },
  801. {
  802. /* Fujitsu UH554 laptop */
  803. .matches = {
  804. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  805. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK UH544"),
  806. },
  807. },
  808. { }
  809. };
  810. /*
  811. * Some Wistron based laptops need us to explicitly enable the 'Dritek
  812. * keyboard extension' to make their extra keys start generating scancodes.
  813. * Originally, this was just confined to older laptops, but a few Acer laptops
  814. * have turned up in 2007 that also need this again.
  815. */
  816. static const struct dmi_system_id __initconst i8042_dmi_dritek_table[] = {
  817. {
  818. /* Acer Aspire 5100 */
  819. .matches = {
  820. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  821. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5100"),
  822. },
  823. },
  824. {
  825. /* Acer Aspire 5610 */
  826. .matches = {
  827. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  828. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5610"),
  829. },
  830. },
  831. {
  832. /* Acer Aspire 5630 */
  833. .matches = {
  834. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  835. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5630"),
  836. },
  837. },
  838. {
  839. /* Acer Aspire 5650 */
  840. .matches = {
  841. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  842. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5650"),
  843. },
  844. },
  845. {
  846. /* Acer Aspire 5680 */
  847. .matches = {
  848. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  849. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5680"),
  850. },
  851. },
  852. {
  853. /* Acer Aspire 5720 */
  854. .matches = {
  855. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  856. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 5720"),
  857. },
  858. },
  859. {
  860. /* Acer Aspire 9110 */
  861. .matches = {
  862. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  863. DMI_MATCH(DMI_PRODUCT_NAME, "Aspire 9110"),
  864. },
  865. },
  866. {
  867. /* Acer TravelMate 660 */
  868. .matches = {
  869. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  870. DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 660"),
  871. },
  872. },
  873. {
  874. /* Acer TravelMate 2490 */
  875. .matches = {
  876. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  877. DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 2490"),
  878. },
  879. },
  880. {
  881. /* Acer TravelMate 4280 */
  882. .matches = {
  883. DMI_MATCH(DMI_SYS_VENDOR, "Acer"),
  884. DMI_MATCH(DMI_PRODUCT_NAME, "TravelMate 4280"),
  885. },
  886. },
  887. { }
  888. };
  889. /*
  890. * Some laptops need keyboard reset before probing for the trackpad to get
  891. * it detected, initialised & finally work.
  892. */
  893. static const struct dmi_system_id __initconst i8042_dmi_kbdreset_table[] = {
  894. {
  895. /* Gigabyte P35 v2 - Elantech touchpad */
  896. .matches = {
  897. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  898. DMI_MATCH(DMI_PRODUCT_NAME, "P35V2"),
  899. },
  900. },
  901. {
  902. /* Aorus branded Gigabyte X3 Plus - Elantech touchpad */
  903. .matches = {
  904. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  905. DMI_MATCH(DMI_PRODUCT_NAME, "X3"),
  906. },
  907. },
  908. {
  909. /* Gigabyte P34 - Elantech touchpad */
  910. .matches = {
  911. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  912. DMI_MATCH(DMI_PRODUCT_NAME, "P34"),
  913. },
  914. },
  915. {
  916. /* Gigabyte P57 - Elantech touchpad */
  917. .matches = {
  918. DMI_MATCH(DMI_SYS_VENDOR, "GIGABYTE"),
  919. DMI_MATCH(DMI_PRODUCT_NAME, "P57"),
  920. },
  921. },
  922. {
  923. /* Schenker XMG C504 - Elantech touchpad */
  924. .matches = {
  925. DMI_MATCH(DMI_SYS_VENDOR, "XMG"),
  926. DMI_MATCH(DMI_PRODUCT_NAME, "C504"),
  927. },
  928. },
  929. { }
  930. };
  931. #endif /* CONFIG_X86 */
  932. #ifdef CONFIG_PNP
  933. #include <linux/pnp.h>
  934. static bool i8042_pnp_kbd_registered;
  935. static unsigned int i8042_pnp_kbd_devices;
  936. static bool i8042_pnp_aux_registered;
  937. static unsigned int i8042_pnp_aux_devices;
  938. static int i8042_pnp_command_reg;
  939. static int i8042_pnp_data_reg;
  940. static int i8042_pnp_kbd_irq;
  941. static int i8042_pnp_aux_irq;
  942. static char i8042_pnp_kbd_name[32];
  943. static char i8042_pnp_aux_name[32];
  944. static void i8042_pnp_id_to_string(struct pnp_id *id, char *dst, int dst_size)
  945. {
  946. strlcpy(dst, "PNP:", dst_size);
  947. while (id) {
  948. strlcat(dst, " ", dst_size);
  949. strlcat(dst, id->id, dst_size);
  950. id = id->next;
  951. }
  952. }
  953. static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
  954. {
  955. if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
  956. i8042_pnp_data_reg = pnp_port_start(dev,0);
  957. if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
  958. i8042_pnp_command_reg = pnp_port_start(dev, 1);
  959. if (pnp_irq_valid(dev,0))
  960. i8042_pnp_kbd_irq = pnp_irq(dev, 0);
  961. strlcpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
  962. if (strlen(pnp_dev_name(dev))) {
  963. strlcat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
  964. strlcat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
  965. }
  966. i8042_pnp_id_to_string(dev->id, i8042_kbd_firmware_id,
  967. sizeof(i8042_kbd_firmware_id));
  968. /* Keyboard ports are always supposed to be wakeup-enabled */
  969. device_set_wakeup_enable(&dev->dev, true);
  970. i8042_pnp_kbd_devices++;
  971. return 0;
  972. }
  973. static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
  974. {
  975. if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
  976. i8042_pnp_data_reg = pnp_port_start(dev,0);
  977. if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
  978. i8042_pnp_command_reg = pnp_port_start(dev, 1);
  979. if (pnp_irq_valid(dev, 0))
  980. i8042_pnp_aux_irq = pnp_irq(dev, 0);
  981. strlcpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
  982. if (strlen(pnp_dev_name(dev))) {
  983. strlcat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
  984. strlcat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
  985. }
  986. i8042_pnp_id_to_string(dev->id, i8042_aux_firmware_id,
  987. sizeof(i8042_aux_firmware_id));
  988. i8042_pnp_aux_devices++;
  989. return 0;
  990. }
  991. static struct pnp_device_id pnp_kbd_devids[] = {
  992. { .id = "PNP0300", .driver_data = 0 },
  993. { .id = "PNP0301", .driver_data = 0 },
  994. { .id = "PNP0302", .driver_data = 0 },
  995. { .id = "PNP0303", .driver_data = 0 },
  996. { .id = "PNP0304", .driver_data = 0 },
  997. { .id = "PNP0305", .driver_data = 0 },
  998. { .id = "PNP0306", .driver_data = 0 },
  999. { .id = "PNP0309", .driver_data = 0 },
  1000. { .id = "PNP030a", .driver_data = 0 },
  1001. { .id = "PNP030b", .driver_data = 0 },
  1002. { .id = "PNP0320", .driver_data = 0 },
  1003. { .id = "PNP0343", .driver_data = 0 },
  1004. { .id = "PNP0344", .driver_data = 0 },
  1005. { .id = "PNP0345", .driver_data = 0 },
  1006. { .id = "CPQA0D7", .driver_data = 0 },
  1007. { .id = "", },
  1008. };
  1009. MODULE_DEVICE_TABLE(pnp, pnp_kbd_devids);
  1010. static struct pnp_driver i8042_pnp_kbd_driver = {
  1011. .name = "i8042 kbd",
  1012. .id_table = pnp_kbd_devids,
  1013. .probe = i8042_pnp_kbd_probe,
  1014. };
  1015. static struct pnp_device_id pnp_aux_devids[] = {
  1016. { .id = "AUI0200", .driver_data = 0 },
  1017. { .id = "FJC6000", .driver_data = 0 },
  1018. { .id = "FJC6001", .driver_data = 0 },
  1019. { .id = "PNP0f03", .driver_data = 0 },
  1020. { .id = "PNP0f0b", .driver_data = 0 },
  1021. { .id = "PNP0f0e", .driver_data = 0 },
  1022. { .id = "PNP0f12", .driver_data = 0 },
  1023. { .id = "PNP0f13", .driver_data = 0 },
  1024. { .id = "PNP0f19", .driver_data = 0 },
  1025. { .id = "PNP0f1c", .driver_data = 0 },
  1026. { .id = "SYN0801", .driver_data = 0 },
  1027. { .id = "", },
  1028. };
  1029. MODULE_DEVICE_TABLE(pnp, pnp_aux_devids);
  1030. static struct pnp_driver i8042_pnp_aux_driver = {
  1031. .name = "i8042 aux",
  1032. .id_table = pnp_aux_devids,
  1033. .probe = i8042_pnp_aux_probe,
  1034. };
  1035. static void i8042_pnp_exit(void)
  1036. {
  1037. if (i8042_pnp_kbd_registered) {
  1038. i8042_pnp_kbd_registered = false;
  1039. pnp_unregister_driver(&i8042_pnp_kbd_driver);
  1040. }
  1041. if (i8042_pnp_aux_registered) {
  1042. i8042_pnp_aux_registered = false;
  1043. pnp_unregister_driver(&i8042_pnp_aux_driver);
  1044. }
  1045. }
  1046. static int __init i8042_pnp_init(void)
  1047. {
  1048. char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
  1049. bool pnp_data_busted = false;
  1050. int err;
  1051. #ifdef CONFIG_X86
  1052. if (dmi_check_system(i8042_dmi_nopnp_table))
  1053. i8042_nopnp = true;
  1054. #endif
  1055. if (i8042_nopnp) {
  1056. pr_info("PNP detection disabled\n");
  1057. return 0;
  1058. }
  1059. err = pnp_register_driver(&i8042_pnp_kbd_driver);
  1060. if (!err)
  1061. i8042_pnp_kbd_registered = true;
  1062. err = pnp_register_driver(&i8042_pnp_aux_driver);
  1063. if (!err)
  1064. i8042_pnp_aux_registered = true;
  1065. if (!i8042_pnp_kbd_devices && !i8042_pnp_aux_devices) {
  1066. i8042_pnp_exit();
  1067. #if defined(__ia64__)
  1068. return -ENODEV;
  1069. #else
  1070. pr_info("PNP: No PS/2 controller found. Probing ports directly.\n");
  1071. return 0;
  1072. #endif
  1073. }
  1074. if (i8042_pnp_kbd_devices)
  1075. snprintf(kbd_irq_str, sizeof(kbd_irq_str),
  1076. "%d", i8042_pnp_kbd_irq);
  1077. if (i8042_pnp_aux_devices)
  1078. snprintf(aux_irq_str, sizeof(aux_irq_str),
  1079. "%d", i8042_pnp_aux_irq);
  1080. pr_info("PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
  1081. i8042_pnp_kbd_name, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
  1082. i8042_pnp_aux_name,
  1083. i8042_pnp_data_reg, i8042_pnp_command_reg,
  1084. kbd_irq_str, (i8042_pnp_kbd_devices && i8042_pnp_aux_devices) ? "," : "",
  1085. aux_irq_str);
  1086. #if defined(__ia64__)
  1087. if (!i8042_pnp_kbd_devices)
  1088. i8042_nokbd = true;
  1089. if (!i8042_pnp_aux_devices)
  1090. i8042_noaux = true;
  1091. #endif
  1092. if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
  1093. i8042_pnp_data_reg != i8042_data_reg) ||
  1094. !i8042_pnp_data_reg) {
  1095. pr_warn("PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
  1096. i8042_pnp_data_reg, i8042_data_reg);
  1097. i8042_pnp_data_reg = i8042_data_reg;
  1098. pnp_data_busted = true;
  1099. }
  1100. if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
  1101. i8042_pnp_command_reg != i8042_command_reg) ||
  1102. !i8042_pnp_command_reg) {
  1103. pr_warn("PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
  1104. i8042_pnp_command_reg, i8042_command_reg);
  1105. i8042_pnp_command_reg = i8042_command_reg;
  1106. pnp_data_busted = true;
  1107. }
  1108. if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
  1109. pr_warn("PNP: PS/2 controller doesn't have KBD irq; using default %d\n",
  1110. i8042_kbd_irq);
  1111. i8042_pnp_kbd_irq = i8042_kbd_irq;
  1112. pnp_data_busted = true;
  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. i8042_data_reg = i8042_pnp_data_reg;
  1126. i8042_command_reg = i8042_pnp_command_reg;
  1127. i8042_kbd_irq = i8042_pnp_kbd_irq;
  1128. i8042_aux_irq = i8042_pnp_aux_irq;
  1129. #ifdef CONFIG_X86
  1130. i8042_bypass_aux_irq_test = !pnp_data_busted &&
  1131. dmi_check_system(i8042_dmi_laptop_table);
  1132. #endif
  1133. return 0;
  1134. }
  1135. #else
  1136. static inline int i8042_pnp_init(void) { return 0; }
  1137. static inline void i8042_pnp_exit(void) { }
  1138. #endif
  1139. static int __init i8042_platform_init(void)
  1140. {
  1141. int retval;
  1142. #ifdef CONFIG_X86
  1143. u8 a20_on = 0xdf;
  1144. /* Just return if pre-detection shows no i8042 controller exist */
  1145. if (!x86_platform.i8042_detect())
  1146. return -ENODEV;
  1147. #endif
  1148. /*
  1149. * On ix86 platforms touching the i8042 data register region can do really
  1150. * bad things. Because of this the region is always reserved on ix86 boxes.
  1151. *
  1152. * if (!request_region(I8042_DATA_REG, 16, "i8042"))
  1153. * return -EBUSY;
  1154. */
  1155. i8042_kbd_irq = I8042_MAP_IRQ(1);
  1156. i8042_aux_irq = I8042_MAP_IRQ(12);
  1157. retval = i8042_pnp_init();
  1158. if (retval)
  1159. return retval;
  1160. #if defined(__ia64__)
  1161. i8042_reset = I8042_RESET_ALWAYS;
  1162. #endif
  1163. #ifdef CONFIG_X86
  1164. /* Honor module parameter when value is not default */
  1165. if (i8042_reset == I8042_RESET_DEFAULT) {
  1166. if (dmi_check_system(i8042_dmi_reset_table))
  1167. i8042_reset = I8042_RESET_ALWAYS;
  1168. if (dmi_check_system(i8042_dmi_noselftest_table))
  1169. i8042_reset = I8042_RESET_NEVER;
  1170. }
  1171. if (dmi_check_system(i8042_dmi_noloop_table))
  1172. i8042_noloop = true;
  1173. if (dmi_check_system(i8042_dmi_nomux_table))
  1174. i8042_nomux = true;
  1175. if (dmi_check_system(i8042_dmi_forcemux_table))
  1176. i8042_nomux = false;
  1177. if (dmi_check_system(i8042_dmi_notimeout_table))
  1178. i8042_notimeout = true;
  1179. if (dmi_check_system(i8042_dmi_dritek_table))
  1180. i8042_dritek = true;
  1181. if (dmi_check_system(i8042_dmi_kbdreset_table))
  1182. i8042_kbdreset = true;
  1183. /*
  1184. * A20 was already enabled during early kernel init. But some buggy
  1185. * BIOSes (in MSI Laptops) require A20 to be enabled using 8042 to
  1186. * resume from S3. So we do it here and hope that nothing breaks.
  1187. */
  1188. i8042_command(&a20_on, 0x10d1);
  1189. i8042_command(NULL, 0x00ff); /* Null command for SMM firmware */
  1190. #endif /* CONFIG_X86 */
  1191. return retval;
  1192. }
  1193. static inline void i8042_platform_exit(void)
  1194. {
  1195. i8042_pnp_exit();
  1196. }
  1197. #endif /* _I8042_X86IA64IO_H */