ps2port.h

   1 /* Basic ps2 port (keyboard/mouse) command handling.
   2
   3    This file is copied (mostly) intact from SeaBIOS.
   4    It is covered by the GNU Lesser General Public License, v3.
   5
   6    You should have received a copy of the GNU Lesser General Public License
   7    along with this program; see the file COPYING.  If not see
   8    <http://www.gnu.org/licenses/>.  */
   9
  10 #ifndef PS2PORT_H
  11 #define PS2PORT_H
  12
  13 typedef uint8_t u8;
  14
  15 // Standard commands.
  16 #define I8042_CMD_CTL_RCTR      0x0120
  17 #define I8042_CMD_CTL_WCTR      0x1060
  18 #define I8042_CMD_CTL_TEST      0x01aa
  19
  20 #define I8042_CMD_KBD_TEST      0x01ab
  21 #define I8042_CMD_KBD_DISABLE   0x00ad
  22 #define I8042_CMD_KBD_ENABLE    0x00ae
  23
  24 #define I8042_CMD_AUX_DISABLE   0x00a7
  25 #define I8042_CMD_AUX_ENABLE    0x00a8
  26 #define I8042_CMD_AUX_SEND      0x10d4
  27
  28 // Keyboard commands
  29 #define ATKBD_CMD_SETLEDS       0x10ed
  30 #define ATKBD_CMD_SSCANSET      0x10f0
  31 #define ATKBD_CMD_GETID         0x02f2
  32 #define ATKBD_CMD_ENABLE        0x00f4
  33 #define ATKBD_CMD_RESET_DIS     0x00f5
  34 #define ATKBD_CMD_RESET_BAT     0x02ff
  35
  36 // Mouse commands
  37 #define PSMOUSE_CMD_SETSCALE11  0x00e6
  38 #define PSMOUSE_CMD_SETSCALE21  0x00e7
  39 #define PSMOUSE_CMD_SETRES      0x10e8
  40 #define PSMOUSE_CMD_GETINFO     0x03e9
  41 #define PSMOUSE_CMD_GETID       0x02f2
  42 #define PSMOUSE_CMD_SETRATE     0x10f3
  43 #define PSMOUSE_CMD_ENABLE      0x00f4
  44 #define PSMOUSE_CMD_DISABLE     0x00f5
  45 #define PSMOUSE_CMD_RESET_BAT   0x02ff
  46
  47 // Status register bits.
  48 #define I8042_STR_PARITY        0x80
  49 #define I8042_STR_TIMEOUT       0x40
  50 #define I8042_STR_AUXDATA       0x20
  51 #define I8042_STR_KEYLOCK       0x10
  52 #define I8042_STR_CMDDAT        0x08
  53 #define I8042_STR_MUXERR        0x04
  54 #define I8042_STR_IBF           0x02
  55 #define I8042_STR_OBF           0x01
  56
  57 // Control register bits.
  58 #define I8042_CTR_KBDINT        0x01
  59 #define I8042_CTR_AUXINT        0x02
  60 #define I8042_CTR_IGNKEYLOCK    0x08
  61 #define I8042_CTR_KBDDIS        0x10
  62 #define I8042_CTR_AUXDIS        0x20
  63 #define I8042_CTR_XLATE         0x40
  64
  65 // functions
  66 void i8042_reboot(void);
  67 int ps2_kbd_command(int command, u8 *param);
  68 int ps2_mouse_command(int command, u8 *param);
  69 void ps2port_setup(void);
  70
  71 #endif // ps2port.h