11da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifndef _I8042_H 21da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define _I8042_H 31da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 41da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 51da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 61da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Copyright (c) 1999-2002 Vojtech Pavlik 71da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * 81da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This program is free software; you can redistribute it and/or modify it 91da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * under the terms of the GNU General Public License version 2 as published by 101da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the Free Software Foundation. 111da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 121da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 131da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 141da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Arch-dependent inline functions and defines. 151da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 161da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 171da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#if defined(CONFIG_MACH_JAZZ) 181da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i8042-jazzio.h" 19f47831fabaf0206abc56ee5a33fd006fe29b6dc6Thomas Bogendoerfer#elif defined(CONFIG_SGI_HAS_I8042) 201da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i8042-ip22io.h" 21f1782447125c167ca02babb9a2af3853895e411cThomas Bogendoerfer#elif defined(CONFIG_SNI_RM) 22f1782447125c167ca02babb9a2af3853895e411cThomas Bogendoerfer#include "i8042-snirm.h" 231da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#elif defined(CONFIG_PPC) 241da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i8042-ppcio.h" 250b57ee9e55373a27e45549e82b0c43621480a71bAdrian Bunk#elif defined(CONFIG_SPARC) 261da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i8042-sparcio.h" 271da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#elif defined(CONFIG_X86) || defined(CONFIG_IA64) 281da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i8042-x86ia64io.h" 29425ad52b86d9710719b3aa811d6cab56b3852981GuanXuetao#elif defined(CONFIG_UNICORE32) 30425ad52b86d9710719b3aa811d6cab56b3852981GuanXuetao#include "i8042-unicore32io.h" 311da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 321da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#include "i8042-io.h" 331da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 341da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 351da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 361da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * This is in 50us units, the time we wait for the i8042 to react. This 371da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * has to be long enough for the i8042 itself to timeout on sending a byte 381da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * to a non-existent mouse. 391da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 401da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 411da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTL_TIMEOUT 10000 421da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 431da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 441da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Status register bits. 451da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 461da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 471da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_PARITY 0x80 481da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_TIMEOUT 0x40 491da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_AUXDATA 0x20 501da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_KEYLOCK 0x10 511da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_CMDDAT 0x08 521da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_MUXERR 0x04 531da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_IBF 0x02 541da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_STR_OBF 0x01 551da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 561da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 571da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Control register bits. 581da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 591da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 601da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTR_KBDINT 0x01 611da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTR_AUXINT 0x02 621da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTR_IGNKEYLOCK 0x08 631da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTR_KBDDIS 0x10 641da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTR_AUXDIS 0x20 651da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_CTR_XLATE 0x40 661da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 671da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 681da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Return codes. 691da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 701da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 711da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_RET_CTL_TEST 0x55 721da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 731da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 741da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Expected maximum internal i8042 buffer size. This is used for flushing 751da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * the i8042 buffers. 761da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 771da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 781da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_BUFFER_SIZE 16 791da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 801da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 811da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Number of AUX ports on controllers supporting active multiplexing 821da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * specification 831da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 841da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 851da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define I8042_NUM_MUX_PORTS 4 861da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 871da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds/* 881da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds * Debug. 891da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds */ 901da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 911da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#ifdef DEBUG 921da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvaldsstatic unsigned long i8042_start_time; 931da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define dbg_init() do { i8042_start_time = jiffies; } while (0) 944eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches#define dbg(format, arg...) \ 954eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches do { \ 961da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds if (i8042_debug) \ 974eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches printk(KERN_DEBUG KBUILD_MODNAME ": [%d] " format, \ 984eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches (int) (jiffies - i8042_start_time), ##arg); \ 991da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds } while (0) 1001da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#else 1011da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#define dbg_init() do { } while (0) 1024eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches#define dbg(format, arg...) \ 1034eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches do { \ 1044eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches if (0) \ 1054eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches printk(KERN_DEBUG pr_fmt(format), ##arg); \ 1064eb3c30b2e034b673df3e8f21b497e39f3911a02Joe Perches } while (0) 1071da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif 1081da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds 1091da177e4c3f41524e886b7f1b8a0c1fc7321cacLinus Torvalds#endif /* _I8042_H */ 110