src/add-ons/kernel/bus_managers/ps2/ps2_defs.h

   1 /*
   2  * Copyright 2004-2005 Haiku, Inc.
   3  * Distributed under the terms of the MIT License.
   4  *
   5  * PS/2 interface definitions
   6  *
   7  * Authors (in chronological order):
   8  *              Elad Lahav (elad@eldarshany.com)
   9  *              Stefano Ceccherini (burton666@libero.it)
  10  *              Axel Dörfler, axeld@pinc-software.de
  11  */
  12 #ifndef _PS2_DEFS_H
  13 #define _PS2_DEFS_H
  14
  15
  16 /** Interface definitions for the Intel 8042, 8741, or 8742 (PS/2) */
  17
  18 // I/O addresses
  19 #define PS2_PORT_DATA                                   0x60
  20 #define PS2_PORT_CTRL                                   0x64
  21
  22 // data port bits
  23 #define PS2_STATUS_OUTPUT_BUFFER_FULL   0x01
  24 #define PS2_STATUS_INPUT_BUFFER_FULL    0x02
  25 #define PS2_STATUS_AUX_DATA                             0x20
  26 #define PS2_STATUS_TIMEOUT                              0x40
  27
  28 // control words
  29 #define PS2_CTRL_READ_CMD                               0x20
  30 #define PS2_CTRL_WRITE_CMD                              0x60
  31 #define PS2_CTRL_WRITE_AUX                              0xd4
  32 #define PS2_CTRL_MOUSE_DISABLE                  0xa7
  33 #define PS2_CTRL_MOUSE_ENABLE                   0xa8
  34 #define PS2_CTRL_MOUSE_TEST                             0xa9
  35 #define PS2_CTRL_SELF_TEST                              0xaa
  36 #define PS2_CTRL_KEYBOARD_TEST                  0xab
  37 #define PS2_CTRL_KEYBOARD_ACTIVATE              0xae
  38 #define PS2_CTRL_KEYBOARD_DEACTIVATE    0xad
  39
  40 // command bytes
  41 #define PS2_CMD_DEV_INIT                                0x43
  42
  43 // command bits
  44 #define PS2_BITS_KEYBOARD_INTERRUPT             0x01
  45 #define PS2_BITS_AUX_INTERRUPT                  0x02
  46 #define PS2_BITS_KEYBOARD_DISABLED              0x10
  47 #define PS2_BITS_MOUSE_DISABLED                 0x20
  48 #define PS2_BITS_TRANSLATE_SCANCODES    0x40
  49
  50 // data words
  51 #define PS2_CMD_MOUSE_SET_SCALE11               0xe6
  52 #define PS2_CMD_MOUSE_SET_SCALE21               0xe7
  53 #define PS2_CMD_MOUSE_SET_RES                   0xe8
  54 #define PS2_CMD_MOUSE_GET_INFO                  0xe9
  55 #define PS2_CMD_MOUSE_SET_STREAM                0xea
  56 #define PS2_CMD_KEYBOARD_SET_LEDS               0xed
  57 #define PS2_CMD_MOUSE_SET_POLL                  0xf0
  58 #define PS2_CMD_SET_TYPEMATIC                   0xf3
  59 #define PS2_CMD_ECHO                                    0xee
  60 #define PS2_CMD_TEST_PASSED                             0xaa
  61 #define PS2_CMD_GET_DEVICE_ID                   0xf2
  62 #define PS2_CMD_SET_SAMPLE_RATE                 0xf3
  63 #define PS2_CMD_ENABLE                                  0xf4
  64 #define PS2_CMD_DISABLE                                 0xf5
  65 #define PS2_CMD_MOUSE_RESET_DIS                 0xf6
  66 #define PS2_CMD_RESET                                   0xff
  67 #define PS2_CMD_RESEND                                  0xfe
  68
  69 // reply codes
  70 #define PS2_REPLY_TEST_PASSED                   0x55
  71 #define PS2_REPLY_ACK                                   0xfa
  72 #define PS2_REPLY_RESEND                                0xfe
  73 #define PS2_REPLY_ERROR                                 0xfc
  74
  75 // interrupts
  76 #define INT_PS2_MOUSE                                   0x0c
  77 #define INT_PS2_KEYBOARD                                0x01
  78
  79 // mouse device IDs
  80 #define PS2_DEV_ID_STANDARD                             0
  81 #define PS2_DEV_ID_INTELLIMOUSE                 3
  82 #define PS2_DEV_ID_TOUCHPAD_RICATECH    4
  83
  84 // packet sizes
  85 #define PS2_PACKET_STANDARD                             3
  86 #define PS2_PACKET_INTELLIMOUSE                 4
  87 #define PS2_PACKET_SYNAPTICS                    6
  88 #define PS2_PACKET_ALPS                                 6
  89 #define PS2_PACKET_ELANTECH                             6       // version 1 is only 4
  90 #define PS2_MAX_PACKET_SIZE                             6
  91         // Should be equal to the biggest packet size
  92
  93 // timeouts
  94 #define PS2_CTRL_WAIT_TIMEOUT                   500000
  95
  96 #endif /* _PS2_H */