i8042.c File Reference

#include <linux/types.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/interrupt.h>
#include <linux/ioport.h>
#include <linux/init.h>
#include <linux/serio.h>
#include <linux/err.h>
#include <linux/rcupdate.h>
#include <linux/platform_device.h>
#include <linux/i8042.h>
#include <linux/slab.h>
#include <asm/io.h>
#include "i8042.h"

Go to the source code of this file.

Data Structures
struct	i8042_port

Macros
#define	pr_fmt(fmt)   KBUILD_MODNAME ": " fmt
#define	DEBUG
#define	I8042_KBD_PORT_NO   0
#define	I8042_AUX_PORT_NO   1
#define	I8042_MUX_PORT_NO   2
#define	I8042_NUM_PORTS   (I8042_NUM_MUX_PORTS + 2)
#define	DELAY   do { mdelay(1); if (++delay > 10) return delay; } while(0)

Functions
	MODULE_AUTHOR ("Vojtech Pavlik <[email protected]>")
	MODULE_DESCRIPTION ("i8042 keyboard and mouse controller driver")
	MODULE_LICENSE ("GPL")
	module_param_named (nokbd, i8042_nokbd, bool, 0)
	MODULE_PARM_DESC (nokbd,"Do not probe or use KBD port.")
	module_param_named (noaux, i8042_noaux, bool, 0)
	MODULE_PARM_DESC (noaux,"Do not probe or use AUX (mouse) port.")
	module_param_named (nomux, i8042_nomux, bool, 0)
	MODULE_PARM_DESC (nomux,"Do not check whether an active multiplexing controller is present.")
	module_param_named (unlock, i8042_unlock, bool, 0)
	MODULE_PARM_DESC (unlock,"Ignore keyboard lock.")
	module_param_named (reset, i8042_reset, bool, 0)
	MODULE_PARM_DESC (reset,"Reset controller during init and cleanup.")
	module_param_named (direct, i8042_direct, bool, 0)
	MODULE_PARM_DESC (direct,"Put keyboard port into non-translated mode.")
	module_param_named (dumbkbd, i8042_dumbkbd, bool, 0)
	MODULE_PARM_DESC (dumbkbd,"Pretend that controller can only read data from keyboard")
	module_param_named (noloop, i8042_noloop, bool, 0)
	MODULE_PARM_DESC (noloop,"Disable the AUX Loopback command while probing for the AUX port")
	module_param_named (notimeout, i8042_notimeout, bool, 0)
	MODULE_PARM_DESC (notimeout,"Ignore timeouts signalled by i8042")
	module_param_named (debug, i8042_debug, bool, 0600)
	MODULE_PARM_DESC (debug,"Turn i8042 debugging mode on and off")
void	i8042_lock_chip (void)
	EXPORT_SYMBOL (i8042_lock_chip)
void	i8042_unlock_chip (void)
	EXPORT_SYMBOL (i8042_unlock_chip)
int	i8042_install_filter (bool(*filter)(unsigned char data, unsigned char str, struct serio *serio))
	EXPORT_SYMBOL (i8042_install_filter)
int	i8042_remove_filter (bool(*filter)(unsigned char data, unsigned char str, struct serio *port))
	EXPORT_SYMBOL (i8042_remove_filter)
int	i8042_command (unsigned char *param, int command)
	EXPORT_SYMBOL (i8042_command)
bool	i8042_check_port_owner (const struct serio *port)
	EXPORT_SYMBOL (i8042_check_port_owner)
	module_init (i8042_init)
	module_exit (i8042_exit)

Macro Definition Documentation

#define DEBUG

Definition at line 82 of file i8042.c.

#define DELAY   do { mdelay(1); if (++delay > 10) return delay; } while(0)

Definition at line 1041 of file i8042.c.

#define I8042_AUX_PORT_NO   1

Definition at line 117 of file i8042.c.

#define I8042_KBD_PORT_NO   0

Definition at line 116 of file i8042.c.

#define I8042_MUX_PORT_NO   2

Definition at line 118 of file i8042.c.

#define I8042_NUM_PORTS   (I8042_NUM_MUX_PORTS + 2)

Definition at line 119 of file i8042.c.

#define pr_fmt

(

fmt

)

KBUILD_MODNAME ": " fmt

Definition at line 13 of file i8042.c.

Function Documentation

EXPORT_SYMBOL

(

i8042_lock_chip

)

EXPORT_SYMBOL

(

i8042_unlock_chip

)

EXPORT_SYMBOL

(

i8042_install_filter

)

EXPORT_SYMBOL

(

i8042_remove_filter

)

EXPORT_SYMBOL

(

i8042_command

)

EXPORT_SYMBOL

(

i8042_check_port_owner

)

bool i8042_check_port_owner

(

const struct serio *

port

)

Definition at line 1302 of file i8042.c.

int i8042_command	(	unsigned char *	param,
		int	command
	)

Definition at line 293 of file i8042.c.

int i8042_install_filter

(

bool(*)(unsigned char data, unsigned char str, struct serio *serio)

filter

)

Definition at line 147 of file i8042.c.

void i8042_lock_chip

(

void

)

Definition at line 135 of file i8042.c.

int i8042_remove_filter

(

bool(*)(unsigned char data, unsigned char str, struct serio *port)

filter

)

Definition at line 168 of file i8042.c.

void i8042_unlock_chip

(

void

)

Definition at line 141 of file i8042.c.

MODULE_AUTHOR

(

"Vojtech Pavlik <[email protected]>"

)

MODULE_DESCRIPTION

(

"i8042 keyboard and mouse controller driver"

)

module_exit

(

i8042_exit

)

module_init

(

i8042_init

)

MODULE_LICENSE

(

"GPL"

)

module_param_named	(	nokbd	,
		i8042_nokbd	,
		bool	,
		0
	)

module_param_named	(	noaux	,
		i8042_noaux	,
		bool	,
		0
	)

module_param_named	(	nomux	,
		i8042_nomux	,
		bool	,
		0
	)

module_param_named	(	unlock	,
		i8042_unlock	,
		bool	,
		0
	)

module_param_named	(	reset	,
		i8042_reset	,
		bool	,
		0
	)

module_param_named	(	direct	,
		i8042_direct	,
		bool	,
		0
	)

module_param_named	(	dumbkbd	,
		i8042_dumbkbd	,
		bool	,
		0
	)

module_param_named	(	noloop	,
		i8042_noloop	,
		bool	,
		0
	)

module_param_named	(	notimeout	,
		i8042_notimeout	,
		bool	,
		0
	)

module_param_named	(	debug	,
		i8042_debug	,
		bool	,
		0600
	)

MODULE_PARM_DESC	(	nokbd	,
		"Do not probe or use KBD port."
	)

MODULE_PARM_DESC	(	noaux	,
		"Do not probe or use AUX (mouse) port."
	)

MODULE_PARM_DESC	(	nomux	,
		"Do not check whether an active multiplexing controller is present."
	)

MODULE_PARM_DESC	(	unlock	,
		"Ignore keyboard lock."
	)

MODULE_PARM_DESC	(	reset	,
		"Reset controller during init and cleanup."
	)

MODULE_PARM_DESC	(	direct	,
		"Put keyboard port into non-translated mode."
	)

MODULE_PARM_DESC	(	dumbkbd	,
		"Pretend that controller can only read data from keyboard"
	)

MODULE_PARM_DESC	(	noloop	,
		"Disable the AUX Loopback command while probing for the AUX port"
	)

MODULE_PARM_DESC	(	notimeout	,
		"Ignore timeouts signalled by i8042"
	)

MODULE_PARM_DESC	(	debug	,
		"Turn i8042 debugging mode on and off"
	)