i8042-x86ia64io.h 9.3 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. /*
  9. * Names.
  10. */
  11. #define I8042_KBD_PHYS_DESC "isa0060/serio0"
  12. #define I8042_AUX_PHYS_DESC "isa0060/serio1"
  13. #define I8042_MUX_PHYS_DESC "isa0060/serio%d"
  14. /*
  15. * IRQs.
  16. */
  17. #if defined(__ia64__)
  18. # define I8042_MAP_IRQ(x) isa_irq_to_vector((x))
  19. #else
  20. # define I8042_MAP_IRQ(x) (x)
  21. #endif
  22. #define I8042_KBD_IRQ i8042_kbd_irq
  23. #define I8042_AUX_IRQ i8042_aux_irq
  24. static int i8042_kbd_irq;
  25. static int i8042_aux_irq;
  26. /*
  27. * Register numbers.
  28. */
  29. #define I8042_COMMAND_REG i8042_command_reg
  30. #define I8042_STATUS_REG i8042_command_reg
  31. #define I8042_DATA_REG i8042_data_reg
  32. static int i8042_command_reg = 0x64;
  33. static int i8042_data_reg = 0x60;
  34. static inline int i8042_read_data(void)
  35. {
  36. return inb(I8042_DATA_REG);
  37. }
  38. static inline int i8042_read_status(void)
  39. {
  40. return inb(I8042_STATUS_REG);
  41. }
  42. static inline void i8042_write_data(int val)
  43. {
  44. outb(val, I8042_DATA_REG);
  45. }
  46. static inline void i8042_write_command(int val)
  47. {
  48. outb(val, I8042_COMMAND_REG);
  49. }
  50. #if defined(__i386__)
  51. #include <linux/dmi.h>
  52. static struct dmi_system_id __initdata i8042_dmi_noloop_table[] = {
  53. {
  54. .ident = "Compaq Proliant 8500",
  55. .matches = {
  56. DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  57. DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  58. DMI_MATCH(DMI_PRODUCT_VERSION, "8500"),
  59. },
  60. },
  61. {
  62. .ident = "Compaq Proliant DL760",
  63. .matches = {
  64. DMI_MATCH(DMI_SYS_VENDOR, "Compaq"),
  65. DMI_MATCH(DMI_PRODUCT_NAME , "ProLiant"),
  66. DMI_MATCH(DMI_PRODUCT_VERSION, "DL760"),
  67. },
  68. },
  69. { }
  70. };
  71. /*
  72. * Some Fujitsu notebooks are having trouble with touchpads if
  73. * active multiplexing mode is activated. Luckily they don't have
  74. * external PS/2 ports so we can safely disable it.
  75. * ... apparently some Toshibas don't like MUX mode either and
  76. * die horrible death on reboot.
  77. */
  78. static struct dmi_system_id __initdata i8042_dmi_nomux_table[] = {
  79. {
  80. .ident = "Fujitsu Lifebook P7010/P7010D",
  81. .matches = {
  82. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  83. DMI_MATCH(DMI_PRODUCT_NAME, "P7010"),
  84. },
  85. },
  86. {
  87. .ident = "Fujitsu Lifebook P5020D",
  88. .matches = {
  89. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  90. DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook P Series"),
  91. },
  92. },
  93. {
  94. .ident = "Fujitsu Lifebook S2000",
  95. .matches = {
  96. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  97. DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S Series"),
  98. },
  99. },
  100. {
  101. .ident = "Fujitsu Lifebook S6230",
  102. .matches = {
  103. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  104. DMI_MATCH(DMI_PRODUCT_NAME, "LifeBook S6230"),
  105. },
  106. },
  107. {
  108. .ident = "Fujitsu T70H",
  109. .matches = {
  110. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU"),
  111. DMI_MATCH(DMI_PRODUCT_NAME, "FMVLT70H"),
  112. },
  113. },
  114. {
  115. .ident = "Fujitsu-Siemens Lifebook T3010",
  116. .matches = {
  117. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  118. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK T3010"),
  119. },
  120. },
  121. {
  122. .ident = "Fujitsu-Siemens Lifebook E4010",
  123. .matches = {
  124. DMI_MATCH(DMI_SYS_VENDOR, "FUJITSU SIEMENS"),
  125. DMI_MATCH(DMI_PRODUCT_NAME, "LIFEBOOK E4010"),
  126. },
  127. },
  128. {
  129. .ident = "Toshiba P10",
  130. .matches = {
  131. DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
  132. DMI_MATCH(DMI_PRODUCT_NAME, "Satellite P10"),
  133. },
  134. },
  135. {
  136. .ident = "Alienware Sentia",
  137. .matches = {
  138. DMI_MATCH(DMI_SYS_VENDOR, "ALIENWARE"),
  139. DMI_MATCH(DMI_PRODUCT_NAME, "Sentia"),
  140. },
  141. },
  142. { }
  143. };
  144. #endif
  145. #ifdef CONFIG_PNP
  146. #include <linux/pnp.h>
  147. static int i8042_pnp_kbd_registered;
  148. static int i8042_pnp_aux_registered;
  149. static int i8042_pnp_command_reg;
  150. static int i8042_pnp_data_reg;
  151. static int i8042_pnp_kbd_irq;
  152. static int i8042_pnp_aux_irq;
  153. static char i8042_pnp_kbd_name[32];
  154. static char i8042_pnp_aux_name[32];
  155. static int i8042_pnp_kbd_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
  156. {
  157. if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
  158. i8042_pnp_data_reg = pnp_port_start(dev,0);
  159. if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
  160. i8042_pnp_command_reg = pnp_port_start(dev, 1);
  161. if (pnp_irq_valid(dev,0))
  162. i8042_pnp_kbd_irq = pnp_irq(dev, 0);
  163. strncpy(i8042_pnp_kbd_name, did->id, sizeof(i8042_pnp_kbd_name));
  164. if (strlen(pnp_dev_name(dev))) {
  165. strncat(i8042_pnp_kbd_name, ":", sizeof(i8042_pnp_kbd_name));
  166. strncat(i8042_pnp_kbd_name, pnp_dev_name(dev), sizeof(i8042_pnp_kbd_name));
  167. }
  168. return 0;
  169. }
  170. static int i8042_pnp_aux_probe(struct pnp_dev *dev, const struct pnp_device_id *did)
  171. {
  172. if (pnp_port_valid(dev, 0) && pnp_port_len(dev, 0) == 1)
  173. i8042_pnp_data_reg = pnp_port_start(dev,0);
  174. if (pnp_port_valid(dev, 1) && pnp_port_len(dev, 1) == 1)
  175. i8042_pnp_command_reg = pnp_port_start(dev, 1);
  176. if (pnp_irq_valid(dev, 0))
  177. i8042_pnp_aux_irq = pnp_irq(dev, 0);
  178. strncpy(i8042_pnp_aux_name, did->id, sizeof(i8042_pnp_aux_name));
  179. if (strlen(pnp_dev_name(dev))) {
  180. strncat(i8042_pnp_aux_name, ":", sizeof(i8042_pnp_aux_name));
  181. strncat(i8042_pnp_aux_name, pnp_dev_name(dev), sizeof(i8042_pnp_aux_name));
  182. }
  183. return 0;
  184. }
  185. static struct pnp_device_id pnp_kbd_devids[] = {
  186. { .id = "PNP0303", .driver_data = 0 },
  187. { .id = "PNP030b", .driver_data = 0 },
  188. { .id = "", },
  189. };
  190. static struct pnp_driver i8042_pnp_kbd_driver = {
  191. .name = "i8042 kbd",
  192. .id_table = pnp_kbd_devids,
  193. .probe = i8042_pnp_kbd_probe,
  194. };
  195. static struct pnp_device_id pnp_aux_devids[] = {
  196. { .id = "PNP0f03", .driver_data = 0 },
  197. { .id = "PNP0f0b", .driver_data = 0 },
  198. { .id = "PNP0f0e", .driver_data = 0 },
  199. { .id = "PNP0f12", .driver_data = 0 },
  200. { .id = "PNP0f13", .driver_data = 0 },
  201. { .id = "PNP0f19", .driver_data = 0 },
  202. { .id = "PNP0f1c", .driver_data = 0 },
  203. { .id = "SYN0801", .driver_data = 0 },
  204. { .id = "", },
  205. };
  206. static struct pnp_driver i8042_pnp_aux_driver = {
  207. .name = "i8042 aux",
  208. .id_table = pnp_aux_devids,
  209. .probe = i8042_pnp_aux_probe,
  210. };
  211. static void i8042_pnp_exit(void)
  212. {
  213. if (i8042_pnp_kbd_registered) {
  214. i8042_pnp_kbd_registered = 0;
  215. pnp_unregister_driver(&i8042_pnp_kbd_driver);
  216. }
  217. if (i8042_pnp_aux_registered) {
  218. i8042_pnp_aux_registered = 0;
  219. pnp_unregister_driver(&i8042_pnp_aux_driver);
  220. }
  221. }
  222. static int __init i8042_pnp_init(void)
  223. {
  224. int result_kbd = 0, result_aux = 0;
  225. char kbd_irq_str[4] = { 0 }, aux_irq_str[4] = { 0 };
  226. if (i8042_nopnp) {
  227. printk(KERN_INFO "i8042: PNP detection disabled\n");
  228. return 0;
  229. }
  230. if ((result_kbd = pnp_register_driver(&i8042_pnp_kbd_driver)) >= 0)
  231. i8042_pnp_kbd_registered = 1;
  232. if ((result_aux = pnp_register_driver(&i8042_pnp_aux_driver)) >= 0)
  233. i8042_pnp_aux_registered = 1;
  234. if (result_kbd <= 0 && result_aux <= 0) {
  235. i8042_pnp_exit();
  236. #if defined(__ia64__)
  237. return -ENODEV;
  238. #else
  239. printk(KERN_INFO "PNP: No PS/2 controller found. Probing ports directly.\n");
  240. return 0;
  241. #endif
  242. }
  243. if (result_kbd > 0)
  244. snprintf(kbd_irq_str, sizeof(kbd_irq_str),
  245. "%d", i8042_pnp_kbd_irq);
  246. if (result_aux > 0)
  247. snprintf(aux_irq_str, sizeof(aux_irq_str),
  248. "%d", i8042_pnp_aux_irq);
  249. printk(KERN_INFO "PNP: PS/2 Controller [%s%s%s] at %#x,%#x irq %s%s%s\n",
  250. i8042_pnp_kbd_name, (result_kbd > 0 && result_aux > 0) ? "," : "",
  251. i8042_pnp_aux_name,
  252. i8042_pnp_data_reg, i8042_pnp_command_reg,
  253. kbd_irq_str, (result_kbd > 0 && result_aux > 0) ? "," : "",
  254. aux_irq_str);
  255. #if defined(__ia64__)
  256. if (result_kbd <= 0)
  257. i8042_nokbd = 1;
  258. if (result_aux <= 0)
  259. i8042_noaux = 1;
  260. #endif
  261. if (((i8042_pnp_data_reg & ~0xf) == (i8042_data_reg & ~0xf) &&
  262. i8042_pnp_data_reg != i8042_data_reg) || !i8042_pnp_data_reg) {
  263. printk(KERN_WARNING "PNP: PS/2 controller has invalid data port %#x; using default %#x\n",
  264. i8042_pnp_data_reg, i8042_data_reg);
  265. i8042_pnp_data_reg = i8042_data_reg;
  266. }
  267. if (((i8042_pnp_command_reg & ~0xf) == (i8042_command_reg & ~0xf) &&
  268. i8042_pnp_command_reg != i8042_command_reg) || !i8042_pnp_command_reg) {
  269. printk(KERN_WARNING "PNP: PS/2 controller has invalid command port %#x; using default %#x\n",
  270. i8042_pnp_command_reg, i8042_command_reg);
  271. i8042_pnp_command_reg = i8042_command_reg;
  272. }
  273. if (!i8042_nokbd && !i8042_pnp_kbd_irq) {
  274. printk(KERN_WARNING "PNP: PS/2 controller doesn't have KBD irq; using default %d\n", i8042_kbd_irq);
  275. i8042_pnp_kbd_irq = i8042_kbd_irq;
  276. }
  277. if (!i8042_noaux && !i8042_pnp_aux_irq) {
  278. printk(KERN_WARNING "PNP: PS/2 controller doesn't have AUX irq; using default %d\n", i8042_aux_irq);
  279. i8042_pnp_aux_irq = i8042_aux_irq;
  280. }
  281. i8042_data_reg = i8042_pnp_data_reg;
  282. i8042_command_reg = i8042_pnp_command_reg;
  283. i8042_kbd_irq = i8042_pnp_kbd_irq;
  284. i8042_aux_irq = i8042_pnp_aux_irq;
  285. return 0;
  286. }
  287. #else
  288. static inline int i8042_pnp_init(void) { return 0; }
  289. static inline void i8042_pnp_exit(void) { }
  290. #endif
  291. static int __init i8042_platform_init(void)
  292. {
  293. int retval;
  294. /*
  295. * On ix86 platforms touching the i8042 data register region can do really
  296. * bad things. Because of this the region is always reserved on ix86 boxes.
  297. *
  298. * if (!request_region(I8042_DATA_REG, 16, "i8042"))
  299. * return -EBUSY;
  300. */
  301. i8042_kbd_irq = I8042_MAP_IRQ(1);
  302. i8042_aux_irq = I8042_MAP_IRQ(12);
  303. retval = i8042_pnp_init();
  304. if (retval)
  305. return retval;
  306. #if defined(__ia64__)
  307. i8042_reset = 1;
  308. #endif
  309. #if defined(__i386__)
  310. if (dmi_check_system(i8042_dmi_noloop_table))
  311. i8042_noloop = 1;
  312. if (dmi_check_system(i8042_dmi_nomux_table))
  313. i8042_nomux = 1;
  314. #endif
  315. return retval;
  316. }
  317. static inline void i8042_platform_exit(void)
  318. {
  319. i8042_pnp_exit();
  320. }
  321. #endif /* _I8042_X86IA64IO_H */