i8042.h File Reference

#include <core/types.h>

Go to the source code of this file.

Functions
void	i8042_handler_register (int port, void(*fun)(int))
	Registers the function that gets each byte a port receives.
int	i8042_aux_write (uint8_t byte)
	Sends a byte to the device on the second port (the mouse).
void	i8042_reboot (void)
	Resets the CPU, through the controller's output line: this reboots the PC.

Function Documentation

i8042_aux_write()

int i8042_aux_write

(

uint8_t

byte

)

Sends a byte to the device on the second port (the mouse).

Its replies come as that port's interrupts.

Parameters

byte

the byte

Returns

0, -ENODEV if there is no controller, or -ETIMEDOUT if it didn't take the byte in time

Definition at line 100 of file i8042.c.

References COMMAND_PORT, DATA_PORT, i8042_aux_write(), i8042_found, i8042_ioaddr, io_out8(), and write_wait().

Referenced by i8042_aux_write(), ps2mouse_file_open(), ps2mouse_probe(), and ps2mouse_write().

i8042_handler_register()

void i8042_handler_register	(	int	port,
		void(*	fun )(int) )

Registers the function that gets each byte a port receives.

Parameters

port	the port: 1 (the keyboard) or 2 (the mouse)
fun	the function, called with each byte, from the interrupt

Definition at line 75 of file i8042.c.

References i8042_handler_register(), and port_handler.

Referenced by i8042_handler_register(), ps2kbd_probe(), and ps2mouse_register().

i8042_reboot()

void i8042_reboot

(

void

)

Resets the CPU, through the controller's output line: this reboots the PC.

Without a controller, it does nothing.

Definition at line 123 of file i8042.c.

References COMMAND_PORT, i8042_found, i8042_ioaddr, i8042_reboot(), and io_out8().

Referenced by i8042_reboot(), and platform_reboot().