72 lines
2.1 KiB
C
72 lines
2.1 KiB
C
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/* Basic ps2 port (keyboard/mouse) command handling.
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This file is copied (mostly) intact from SeaBIOS.
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It is covered by the GNU Lesser General Public License, v3.
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You should have received a copy of the GNU Lesser General Public License
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along with this program; see the file COPYING. If not see
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<http://www.gnu.org/licenses/>. */
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#ifndef PS2PORT_H
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#define PS2PORT_H
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typedef uint8_t u8;
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// Standard commands.
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#define I8042_CMD_CTL_RCTR 0x0120
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#define I8042_CMD_CTL_WCTR 0x1060
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#define I8042_CMD_CTL_TEST 0x01aa
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#define I8042_CMD_KBD_TEST 0x01ab
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#define I8042_CMD_KBD_DISABLE 0x00ad
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#define I8042_CMD_KBD_ENABLE 0x00ae
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#define I8042_CMD_AUX_DISABLE 0x00a7
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#define I8042_CMD_AUX_ENABLE 0x00a8
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#define I8042_CMD_AUX_SEND 0x10d4
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// Keyboard commands
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#define ATKBD_CMD_SETLEDS 0x10ed
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#define ATKBD_CMD_SSCANSET 0x10f0
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#define ATKBD_CMD_GETID 0x02f2
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#define ATKBD_CMD_ENABLE 0x00f4
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#define ATKBD_CMD_RESET_DIS 0x00f5
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#define ATKBD_CMD_RESET_BAT 0x02ff
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// Mouse commands
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#define PSMOUSE_CMD_SETSCALE11 0x00e6
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#define PSMOUSE_CMD_SETSCALE21 0x00e7
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#define PSMOUSE_CMD_SETRES 0x10e8
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#define PSMOUSE_CMD_GETINFO 0x03e9
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#define PSMOUSE_CMD_GETID 0x02f2
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#define PSMOUSE_CMD_SETRATE 0x10f3
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#define PSMOUSE_CMD_ENABLE 0x00f4
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#define PSMOUSE_CMD_DISABLE 0x00f5
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#define PSMOUSE_CMD_RESET_BAT 0x02ff
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// Status register bits.
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#define I8042_STR_PARITY 0x80
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#define I8042_STR_TIMEOUT 0x40
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#define I8042_STR_AUXDATA 0x20
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#define I8042_STR_KEYLOCK 0x10
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#define I8042_STR_CMDDAT 0x08
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#define I8042_STR_MUXERR 0x04
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#define I8042_STR_IBF 0x02
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#define I8042_STR_OBF 0x01
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// Control register bits.
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#define I8042_CTR_KBDINT 0x01
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#define I8042_CTR_AUXINT 0x02
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#define I8042_CTR_IGNKEYLOCK 0x08
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#define I8042_CTR_KBDDIS 0x10
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#define I8042_CTR_AUXDIS 0x20
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#define I8042_CTR_XLATE 0x40
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// functions
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void i8042_reboot(void);
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int ps2_kbd_command(int command, u8 *param);
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int ps2_mouse_command(int command, u8 *param);
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void ps2port_setup(void);
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#endif // ps2port.h
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