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// Basic ps2 port (keyboard/mouse) command handling.
#ifndef __PS2PORT_H
#define __PS2PORT_H
#include "types.h" // u8
#define PORT_PS2_DATA 0x0060
#define PORT_PS2_STATUS 0x0064
// Standard commands.
#define I8042_CMD_CTL_RCTR 0x0120
#define I8042_CMD_CTL_WCTR 0x1060
#define I8042_CMD_CTL_TEST 0x01aa
#define I8042_CMD_KBD_TEST 0x01ab
#define I8042_CMD_KBD_DISABLE 0x00ad
#define I8042_CMD_KBD_ENABLE 0x00ae
#define I8042_CMD_AUX_DISABLE 0x00a7
#define I8042_CMD_AUX_ENABLE 0x00a8
#define I8042_CMD_AUX_SEND 0x10d4
// Keyboard commands
#define ATKBD_CMD_SETLEDS 0x10ed
#define ATKBD_CMD_SSCANSET 0x10f0
#define ATKBD_CMD_GETID 0x02f2
#define ATKBD_CMD_ENABLE 0x00f4
#define ATKBD_CMD_RESET_DIS 0x00f5
#define ATKBD_CMD_RESET_BAT 0x02ff
// Mouse commands
#define PSMOUSE_CMD_SETSCALE11 0x00e6
#define PSMOUSE_CMD_SETSCALE21 0x00e7
#define PSMOUSE_CMD_SETRES 0x10e8
#define PSMOUSE_CMD_GETINFO 0x03e9
#define PSMOUSE_CMD_GETID 0x02f2
#define PSMOUSE_CMD_SETRATE 0x10f3
#define PSMOUSE_CMD_ENABLE 0x00f4
#define PSMOUSE_CMD_DISABLE 0x00f5
#define PSMOUSE_CMD_RESET_BAT 0x02ff
// Status register bits.
#define I8042_STR_PARITY 0x80
#define I8042_STR_TIMEOUT 0x40
#define I8042_STR_AUXDATA 0x20
#define I8042_STR_KEYLOCK 0x10
#define I8042_STR_CMDDAT 0x08
#define I8042_STR_MUXERR 0x04
#define I8042_STR_IBF 0x02
#define I8042_STR_OBF 0x01
// Control register bits.
#define I8042_CTR_KBDINT 0x01
#define I8042_CTR_AUXINT 0x02
#define I8042_CTR_IGNKEYLOCK 0x08
#define I8042_CTR_KBDDIS 0x10
#define I8042_CTR_AUXDIS 0x20
#define I8042_CTR_XLATE 0x40
// ps2port.c
void i8042_reboot(void);
int ps2_kbd_command(int command, u8 *param);
int ps2_mouse_command(int command, u8 *param);
void ps2port_setup(void);
#endif // ps2port.h
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