rom/hidds/i8042/kbd_common.h

   1 /*
   2     Copyright © 2013, The AROS Development Team. All rights reserved.
   3     $Id$
   4
   5     Desc: Low-level definitions for i8042 controller.
   6     Lang: English.
   7 */
   8
   9 #include <asm/io.h>
  10
  11 #define KBD_NO_DATA     (-1)
  12 #define KBD_BAD_DATA    (-2)
  13
  14 /****************************************************************************************/
  15
  16 #define KBD_STATUS_REG                  0x64
  17 #define KBD_CONTROL_REG                 0x64
  18 #define KBD_DATA_REG                    0x60
  19
  20 #define KBD_STATUS_OBF                  0x01    /* keyboard output buffer full */
  21 #define KBD_STATUS_IBF                  0x02    /* keyboard input buffer full */
  22 #define KBD_STATUS_MOUSE_OBF            0x20    /* Mouse output buffer full */
  23 #define KBD_STATUS_GTO                  0x40    /* General receive/xmit timeout */
  24 #define KBD_STATUS_PERR                 0x80    /* Parity error */
  25
  26 #define KBD_CTRLCMD_READ_MODE           0x20
  27 #define KBD_CTRLCMD_WRITE_MODE          0x60
  28 #define KBD_CTRLCMD_GET_VERSION         0xA1
  29 #define KBD_CTRLCMD_MOUSE_DISABLE       0xA7
  30 #define KBD_CTRLCMD_MOUSE_ENABLE        0xA8
  31 #define KBD_CTRLCMD_TEST_MOUSE          0xA9
  32 #define KBD_CTRLCMD_SELF_TEST           0xAA
  33 #define KBD_CTRLCMD_KBD_TEST            0xAB
  34 #define KBD_CTRLCMD_KBD_DISABLE         0xAD
  35 #define KBD_CTRLCMD_KBD_ENABLE          0xAE
  36 #define KBD_CTRLCMD_WRITE_AUX_OBUF      0xD3
  37 #define KBD_CTRLCMD_WRITE_MOUSE         0xD4
  38
  39 #define KBD_REPLY_POR                   0xAA    /* Power on reset */
  40 #define KBD_REPLY_ACK                   0xFA    /* Command ACK */
  41 #define KBD_REPLY_RESEND                0xFE    /* Command NACK, send the cmd again */
  42
  43 #define KBD_MODE_KBD_INT                0x01    /* Keyboard data generate IRQ1 */
  44 #define KBD_MODE_MOUSE_INT              0x02    /* Mouse data generate IRQ12 */
  45 #define KBD_MODE_SYS                    0x04    /* The system flag (?) */
  46 #define KBD_MODE_NO_KEYLOCK             0x08    /* The keylock doesn't affect the keyboard if set */
  47 #define KBD_MODE_DISABLE_KBD            0x10    /* Disable keyboard interface */
  48 #define KBD_MODE_DISABLE_MOUSE          0x20    /* Disable mouse interface */
  49 #define KBD_MODE_KCC                    0x40    /* Scan code conversion to PC format */
  50 #define KBD_MODE_RFU                    0x80
  51
  52 #define kbd_read_input()        inb(KBD_DATA_REG)
  53 #define kbd_read_status()       inb(KBD_STATUS_REG)
  54 #define kbd_write_output(val)   outb(val, KBD_DATA_REG)
  55 #define kbd_write_command(val)  outb(val, KBD_CONTROL_REG)
  56
  57 /****************************************************************************************/
  58
  59 int kbd_read_data(void);
  60 void kb_wait(ULONG timeout);
  61 void kbd_write_cmd(int cmd);
  62 void aux_write_ack(int val);
  63 void aux_write_noack(int val);
  64 void kbd_write_output_w(int data);
  65 int kbd_clear_input(void);
  66 int kbd_wait_for_input(void);
  67 int aux_wait_for_input(void);
  68 void kbd_write_command_w(int data);
  69 void kbd_usleep(LONG usec);